2268 lines
76 KiB
Plaintext
2268 lines
76 KiB
Plaintext
# -*- autoconf -*-
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# Process this file with autoconf to produce a configure script.
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# Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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#
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# This configure.ac is free software; the author
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE.
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dnl This configure script is complicated, because GRUB needs to deal
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dnl with three potentially different types:
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dnl
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dnl build -- the environment for building GRUB
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dnl host -- the environment for running utilities
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dnl target -- the environment for running GRUB
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dnl
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dnl In addition, GRUB needs to deal with a platform specification
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dnl which specifies the system running GRUB, such as firmware.
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dnl This is necessary because the target type in autoconf does not
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dnl describe such a system very well.
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dnl
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dnl The current strategy is to use variables with no prefix (such as
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dnl CC, CFLAGS, etc.) for the host and target type, variables with
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dnl prefix "BUILD_" (such as BUILD_CC, BUILD_CFLAGS, etc.) for the
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dnl build type, variables with prefix "HOST_" (such as HOST_CC,
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dnl HOST_CFLAGS, etc.) for the host type and variables with the prefix
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dnl "TARGET_" (such as TARGET_CC, TARGET_CFLAGS, etc.) are used for
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dnl the target type. See INSTALL for full list of variables and
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dnl description of the relationships between them.
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AC_INIT([GRUB],[2.12~rc1],[bug-grub@gnu.org])
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AS_CASE(["$ERROR_PLATFORM_NOT_SUPPORT_SSP"],
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[n | no | nO | N | No | NO], [ERROR_PLATFORM_NOT_SUPPORT_SSP=no],
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[ERROR_PLATFORM_NOT_SUPPORT_SSP=yes])
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# We don't want -g -O2 by default in CFLAGS
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: ${CFLAGS=""}
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AC_USE_SYSTEM_EXTENSIONS
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AC_CONFIG_AUX_DIR([build-aux])
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# Checks for build, host and target systems.
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AC_CANONICAL_BUILD
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AC_CANONICAL_HOST
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save_program_prefix="${program_prefix}"
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AC_CANONICAL_TARGET
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program_prefix="${save_program_prefix}"
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AM_INIT_AUTOMAKE([1.11])
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AC_PREREQ(2.64)
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AC_CONFIG_SRCDIR([include/grub/dl.h])
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AC_CONFIG_HEADERS([config-util.h])
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# Explicitly check for pkg-config early on, since otherwise conditional
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# calls are problematic.
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PKG_PROG_PKG_CONFIG
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# Program name transformations
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AC_ARG_PROGRAM
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grub_TRANSFORM([grub-bios-setup])
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grub_TRANSFORM([grub-editenv])
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grub_TRANSFORM([grub-install])
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grub_TRANSFORM([grub-mkconfig])
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grub_TRANSFORM([grub-mkfont])
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grub_TRANSFORM([grub-mkimage])
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grub_TRANSFORM([grub-glue-efi])
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grub_TRANSFORM([grub-mklayout])
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grub_TRANSFORM([grub-mkpasswd-pbkdf2])
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grub_TRANSFORM([grub-mkrelpath])
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grub_TRANSFORM([grub-mkrescue])
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grub_TRANSFORM([grub-probe])
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grub_TRANSFORM([grub-reboot])
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grub_TRANSFORM([grub-script-check])
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grub_TRANSFORM([grub-set-default])
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grub_TRANSFORM([grub-sparc64-setup])
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grub_TRANSFORM([grub-render-label])
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grub_TRANSFORM([grub-file])
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# Allow HOST_CC to override CC.
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if test "x$HOST_CC" != x; then
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CC=$HOST_CC
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fi
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# Optimization flag. Allow user to override.
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if test "x$TARGET_CFLAGS" = x; then
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TARGET_CFLAGS=-Os
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fi
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# Enable support for "restrict" keyword and other
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# features from gnu99 C language standard.
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BUILD_CFLAGS="-std=gnu99 -fno-common $BUILD_CFLAGS"
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HOST_CFLAGS="-std=gnu99 -fno-common $HOST_CFLAGS"
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TARGET_CFLAGS="-std=gnu99 -fno-common $TARGET_CFLAGS"
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# Default HOST_CPPFLAGS
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HOST_CPPFLAGS="$HOST_CPPFLAGS -Wall -W"
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HOST_CPPFLAGS="$HOST_CPPFLAGS -DGRUB_UTIL=1"
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TARGET_CPPFLAGS="$TARGET_CPPFLAGS -Wall -W"
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case "$target_cpu" in
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i[[3456]]86) target_cpu=i386 ;;
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amd64) target_cpu=x86_64 ;;
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sparc) target_cpu=sparc64 ;;
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mipsel|mips64el)
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target_cpu=mipsel
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machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPSEL=1"
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;;
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mips|mips64)
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target_cpu=mips
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machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPS=1"
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;;
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arm*) target_cpu=arm ;;
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aarch64*) target_cpu=arm64 ;;
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loongarch64) target_cpu=loongarch64 ;;
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riscv32*) target_cpu=riscv32 ;;
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riscv64*) target_cpu=riscv64 ;;
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esac
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# Specify the platform (such as firmware).
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AC_ARG_WITH([platform],
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AS_HELP_STRING([--with-platform=PLATFORM],
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[select the host platform [[guessed]]]))
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# Guess the platform if not specified.
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if test "x$with_platform" = x; then
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case "$target_cpu"-"$target_vendor" in
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i386-apple) platform=efi ;;
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i386-*) platform=pc ;;
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x86_64-apple) platform=efi ;;
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x86_64-*) platform=pc ;;
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powerpc-*) platform=ieee1275 ;;
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powerpc64-*) platform=ieee1275 ;;
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powerpc64le-*) platform=ieee1275 ;;
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sparc64-*) platform=ieee1275 ;;
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mipsel-*) platform=loongson ;;
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mips-*) platform=arc ;;
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ia64-*) platform=efi ;;
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arm-*) platform=uboot ;;
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arm64-*) platform=efi ;;
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loongarch64-*) platform=efi;;
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riscv32-*) platform=efi ;;
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riscv64-*) platform=efi ;;
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*)
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AC_MSG_WARN([unsupported CPU: "$target_cpu" - only building utilities])
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platform=none
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;;
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esac
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else
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platform="$with_platform"
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fi
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case "$target_cpu"-"$platform" in
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x86_64-efi) ;;
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x86_64-emu) ;;
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x86_64-xen) ;;
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x86_64-none) ;;
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x86_64-*) target_cpu=i386 ;;
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powerpc64-ieee1275) target_cpu=powerpc ;;
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powerpc64le-ieee1275) target_cpu=powerpc ;;
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esac
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# Check if the platform is supported, make final adjustments.
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case "$target_cpu"-"$platform" in
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i386-efi) ;;
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x86_64-efi) ;;
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i386-xen) ;;
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i386-xen_pvh) ;;
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x86_64-xen) ;;
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i386-pc) ;;
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i386-multiboot) ;;
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i386-coreboot) ;;
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i386-linuxbios) platform=coreboot ;;
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i386-ieee1275) ;;
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i386-qemu) ;;
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powerpc-ieee1275) ;;
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sparc64-ieee1275) ;;
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ia64-efi) ;;
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mips-qemu_mips) ;;
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mips-qemu-mips) platform=qemu_mips;;
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mips-arc) ;;
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mipsel-arc) ;;
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mipsel-qemu_mips) ;;
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mipsel-qemu-mips) platform=qemu_mips;;
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mipsel-yeeloong) platform=loongson ;;
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mipsel-fuloong) platform=loongson ;;
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mipsel-loongson) ;;
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arm-uboot) ;;
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arm-coreboot) ;;
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arm-efi) ;;
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arm64-efi) ;;
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loongarch64-efi) ;;
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riscv32-efi) ;;
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riscv64-efi) ;;
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*-emu) ;;
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*-none) ;;
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*) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;;
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esac
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if test x$platform != xemu ; then
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case "$target_cpu" in
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i386 | powerpc) target_m32=1 ;;
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x86_64 | sparc64) target_m64=1 ;;
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esac
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fi
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if test x"$target_cpu-$platform" = xsparc64-emu ; then
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target_m64=1
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fi
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case "$target_os" in
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windows* | mingw32*) target_os=cygwin ;;
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esac
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# This normalizes the names, and creates a new variable ("host_kernel")
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# while at it, since the mapping is not always 1:1 (e.g. different OSes
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# using the same kernel type).
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case "$host_os" in
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gnu*) host_kernel=hurd ;;
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linux*) host_kernel=linux ;;
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freebsd* | kfreebsd*-gnu) host_kernel=kfreebsd ;;
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netbsd*) host_kernel=netbsd ;;
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solaris*) host_kernel=illumos ;;
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darwin*) host_kernel=xnu ;;
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cygwin | windows* | mingw32*) host_kernel=windows ;;
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esac
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case "$host_os" in
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cygwin) have_exec=y ;;
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windows* | mingw32*) have_exec=n ;;
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aros*) have_exec=n ;;
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*) have_exec=y;;
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esac
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case "$platform" in
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coreboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_COREBOOT=1" ;;
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multiboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MULTIBOOT=1" ;;
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efi) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_EFI=1" ;;
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xen) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_XEN=1" ;;
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xen_pvh) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_XEN_PVH=1" ;;
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ieee1275) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_IEEE1275=1" ;;
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uboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_UBOOT=1" ;;
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qemu) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_QEMU=1" ;;
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pc) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_PCBIOS=1" ;;
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emu) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_EMU=1" ;;
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loongson) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_LOONGSON=1" ;;
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qemu_mips) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_QEMU_MIPS=1" ;;
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arc) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARC=1" ;;
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esac
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if test x${target_cpu} = xmipsel ; then
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machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE=`echo mips_$platform | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,`"
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else
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machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE=`echo ${target_cpu}_$platform | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,`"
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fi
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case "${target_cpu}-$platform" in
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mips-arc)
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TARGET_LINK_ADDR=0x88200000
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TARGET_DECOMPRESSOR_LINK_ADDR=0x88100000
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;;
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mipsel-arc)
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TARGET_LINK_ADDR=0x80700000
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TARGET_DECOMPRESSOR_LINK_ADDR=0x80600000
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;;
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mips*-qemu_mips | mips*-loongson)
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TARGET_DECOMPRESSOR_LINK_ADDR=0x80100000
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;;
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esac
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AC_SUBST(TARGET_LINK_ADDR)
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AC_SUBST(TARGET_DECOMPRESSOR_LINK_ADDR)
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TARGET_CPPFLAGS="$TARGET_CPPFLAGS $machine_CPPFLAGS"
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AC_SUBST(host_cpu)
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AC_SUBST(host_os)
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AC_SUBST(host_kernel)
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AC_SUBST(target_cpu)
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AC_SUBST(platform)
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# Define default variables
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have_with_bootdir=n
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AC_ARG_WITH([bootdir],
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AS_HELP_STRING([--with-bootdir=DIR],
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[set the name of /boot directory [[guessed]]]),
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[have_with_bootdir=y],
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[have_with_bootdir=n])
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if test x$have_with_bootdir = xy; then
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bootdirname="$with_bootdir"
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else
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case "$host_os" in
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netbsd* | openbsd*)
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# Because /boot is used for the boot block in NetBSD and OpenBSD,
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bootdirname='' ;;
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*) bootdirname='boot' ;;
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esac
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fi
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AC_SUBST(bootdirname)
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AC_DEFINE_UNQUOTED(GRUB_BOOT_DIR_NAME, "$bootdirname",
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[Default boot directory name])
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AC_ARG_WITH([grubdir],
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AS_HELP_STRING([--with-grubdir=DIR],
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[set the name of grub directory [[guessed]]]),
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[grubdirname="$with_grubdir"],
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[grubdirname="$PACKAGE"])
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AC_SUBST(grubdirname)
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AC_DEFINE_UNQUOTED(GRUB_DIR_NAME, "$grubdirname",
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[Default grub directory name])
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#
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# Checks for build programs.
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#
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# Although cmp is listed in the GNU Coding Standards as a command which
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# can used directly, OpenBSD lacks cmp in the default installation.
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AC_CHECK_PROGS([CMP], [cmp])
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if test "x$CMP" = x; then
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AC_MSG_ERROR([cmp is not found])
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fi
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AC_CHECK_PROGS([YACC], [bison])
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if test "x$YACC" = x; then
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AC_MSG_ERROR([bison is not found])
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fi
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AC_PROG_RANLIB
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AC_PROG_INSTALL
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AC_PROG_AWK
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AC_PROG_LEX([noyywrap])
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AC_PROG_YACC
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AC_PROG_MAKE_SET
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AC_PROG_MKDIR_P
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AC_PROG_LN_S
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if test "x$LEX" = "x:"; then
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AC_MSG_ERROR([flex is not found])
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else
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version=`$LEX --version | $AWK '{ split($2,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`
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if test -n "$version" -a "$version" -ge 20535; then
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:
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else
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AC_MSG_ERROR([flex is too old. GRUB requires 2.5.35 or above])
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fi
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fi
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# These are not a "must".
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AC_PATH_PROGS(MAKEINFO, makeinfo true)
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#
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# Checks for host programs.
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#
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AC_PROG_CC
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gl_EARLY
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AC_PROG_CXX
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AM_PROG_CC_C_O
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AM_PROG_AS
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AM_PATH_PYTHON([2.6])
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# Must be GCC.
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test "x$GCC" = xyes || AC_MSG_ERROR([GCC is required])
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AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
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AM_GNU_GETTEXT([external])
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AM_GNU_GETTEXT_VERSION([0.18.3])
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AC_SYS_LARGEFILE
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PLATFORMS_PCI=" $(PYTHONPATH="${srcdir}" $PYTHON -c 'import gentpl; print(" ".join(gentpl.GROUPS[["pci"]]))') "
|
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if test x"${PLATFORMS_PCI##* ${target_cpu}_${platform} *}" = x ; then
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have_pci=y
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fi
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|
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# Identify characteristics of the host architecture.
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unset ac_cv_c_bigendian
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|
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if test x"$target_cpu-$platform" = xsparc64-emu ; then
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CFLAGS="$CFLAGS -m64"
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HOST_CFLAGS="$HOST_CFLAGS -m64"
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fi
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|
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CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
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HOST_CPPFLAGS="$HOST_CPPFLAGS -D_FILE_OFFSET_BITS=64"
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AC_C_BIGENDIAN
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AC_CHECK_SIZEOF(void *)
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AC_CHECK_SIZEOF(long)
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|
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case "$host_os" in
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cygwin | windows* | mingw32*)
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HOST_CPPFLAGS="$HOST_CPPFLAGS -DUNICODE=1 -D_WIN32_WINNT=0x0500"
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CPPFLAGS="$CPPFLAGS -DUNICODE=1 -D_WIN32_WINNT=0x0500"
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AC_CHECK_SIZEOF(TCHAR,,[#include <windows.h>])
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;;
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esac
|
||
|
||
case "$host_os" in
|
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cygwin | windows* | mingw32* | aros*)
|
||
;;
|
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*)
|
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AC_CHECK_SIZEOF(off_t)
|
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if test x"$ac_cv_sizeof_off_t" != x8 ; then
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AC_CHECK_SIZEOF(off64_t)
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test x"$ac_cv_sizeof_off64_t" = x8 || AC_MSG_ERROR([Large file support is required])
|
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fi;;
|
||
esac
|
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|
||
if test x$USE_NLS = xno; then
|
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HOST_CFLAGS="$HOST_CFLAGS -fno-builtin-gettext"
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fi
|
||
|
||
if test "x$cross_compiling" = xyes; then
|
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AC_MSG_WARN([cannot generate manual pages while cross compiling])
|
||
else
|
||
AC_PATH_PROG(HELP2MAN, help2man)
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fi
|
||
|
||
# Check for functions and headers.
|
||
AC_CHECK_FUNCS(posix_memalign memalign getextmntent atexit)
|
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AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h limits.h)
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|
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# glibc 2.25 still includes sys/sysmacros.h in sys/types.h but emits deprecation
|
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# warning which causes compilation failure later with -Werror. So use -Werror here
|
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# as well to force proper sys/sysmacros.h detection. Used in include/grub/osdep/major.h.
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SAVED_CFLAGS="$CFLAGS"
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CFLAGS="$HOST_CFLAGS -Werror"
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AC_HEADER_MAJOR
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CFLAGS="$SAVED_CFLAGS"
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|
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AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$ac_includes_default
|
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#include <sys/param.h>
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#include <sys/mount.h>])
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|
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AC_CHECK_MEMBERS([struct statfs.f_mntfromname],,,[$ac_includes_default
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#include <sys/param.h>
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#include <sys/mount.h>])
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# For opendisk() and getrawpartition() on NetBSD.
|
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# Used in util/deviceiter.c and in util/hostdisk.c.
|
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AC_CHECK_HEADER([util.h], [
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AC_CHECK_LIB([util], [opendisk], [
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LIBUTIL="-lutil"
|
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AC_DEFINE(HAVE_OPENDISK, 1, [Define if opendisk() in -lutil can be used])
|
||
])
|
||
AC_CHECK_LIB([util], [getrawpartition], [
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LIBUTIL="-lutil"
|
||
AC_DEFINE(HAVE_GETRAWPARTITION, 1, [Define if getrawpartition() in -lutil can be used])
|
||
])
|
||
])
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||
AC_SUBST([LIBUTIL])
|
||
|
||
AC_CACHE_CHECK([whether -Wtrampolines work], [grub_cv_host_cc_wtrampolines], [
|
||
SAVED_CFLAGS="$CFLAGS"
|
||
CFLAGS="$HOST_CFLAGS -Wtrampolines -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
|
||
int va_arg_func (int fixed, va_list args);]], [[]])],
|
||
[grub_cv_host_cc_wtrampolines=yes],
|
||
[grub_cv_host_cc_wtrampolines=no])
|
||
CFLAGS="$SAVED_CFLAGS"
|
||
])
|
||
|
||
if test x"$grub_host_cv_cc_wtrampolines" = xyes ; then
|
||
HOST_CFLAGS="$HOST_CFLAGS -Wtrampolines"
|
||
fi
|
||
|
||
#
|
||
# Check for host and build compilers.
|
||
#
|
||
HOST_CC=$CC
|
||
AC_CHECK_PROGS(BUILD_CC, [gcc egcs cc])
|
||
test -z "$BUILD_CC" && AC_MSG_ERROR([none of gcc, egcs and cc is found. set BUILD_CC manually.])
|
||
BUILD_CPP="$BUILD_CC -E"
|
||
|
||
case "$build_os" in
|
||
haiku*) BUILD_LIBM= ;;
|
||
*) BUILD_LIBM=-lm ;;
|
||
esac
|
||
|
||
dnl FIXME proper test seems to require too deep dive into Autoconf internals.
|
||
dnl For now just list known platforms that we support.
|
||
|
||
case "$build_os" in
|
||
cygwin*|mingw32*|mingw64*) BUILD_EXEEXT=.exe ;;
|
||
*) BUILD_EXEEXT= ;;
|
||
esac
|
||
AC_SUBST(BUILD_EXEEXT)
|
||
|
||
# In some build environments like termux /bin/sh is not a valid
|
||
# shebang. Use $SHELL instead if it's executable and /bin/sh isn't
|
||
BUILD_SHEBANG=/bin/sh
|
||
for she in /bin/sh "$SHELL"; do
|
||
if test -x "$she" ; then
|
||
BUILD_SHEBANG="$she"
|
||
fi
|
||
done
|
||
AC_SUBST(BUILD_SHEBANG)
|
||
|
||
# For gnulib.
|
||
gl_INIT
|
||
|
||
WARN_FLAGS="-Wall -W -Wshadow -Wpointer-arith -Wundef -Wchar-subscripts -Wcomment -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wfloat-equal -Wformat-extra-args -Wformat-security -Wformat-y2k -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Wmain -Wmissing-braces -Wmissing-format-attribute -Wmultichar -Wparentheses -Wreturn-type -Wsequence-point -Wshadow -Wsign-compare -Wswitch -Wtrigraphs -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-parameter -Wunused-value -Wunused-variable -Wwrite-strings -Wnested-externs -Wstrict-prototypes"
|
||
EXTRA_WARN_FLAGS="-Wextra -Wattributes -Wendif-labels -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmissing-field-initializers -Wnonnull -Woverflow -Wvla -Wpointer-to-int-cast -Wstrict-aliasing -Wvariadic-macros -Wvolatile-register-var -Wpointer-sign -Wmissing-include-dirs -Wmissing-prototypes -Wmissing-declarations -Wformat=2"
|
||
|
||
HOST_CFLAGS="$HOST_CFLAGS $WARN_FLAGS -Wcast-align"
|
||
|
||
AC_CACHE_CHECK([which extra warnings work], [grub_cv_cc_w_extra_flags], [
|
||
SAVED_CFLAGS="$CFLAGS"
|
||
grub_cv_cc_w_extra_flags=
|
||
for x in $EXTRA_WARN_FLAGS; do
|
||
CFLAGS="$HOST_CFLAGS $x -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], [flag=1], [flag=0])
|
||
if test x$flag = x1 ; then
|
||
grub_cv_cc_w_extra_flags="$grub_cv_cc_w_extra_flags $x"
|
||
fi
|
||
done
|
||
CFLAGS="$SAVED_CFLAGS"
|
||
])
|
||
|
||
HOST_CFLAGS="$HOST_CFLAGS $grub_cv_cc_w_extra_flags"
|
||
|
||
#
|
||
# Check for target programs.
|
||
#
|
||
|
||
# Find tools for the target.
|
||
if test "x$target_alias" != x && test "x$host_alias" != "x$target_alias"; then
|
||
tmp_ac_tool_prefix="$ac_tool_prefix"
|
||
ac_tool_prefix=$target_alias-
|
||
|
||
AC_CHECK_TOOLS(TARGET_CC, [gcc egcs cc],
|
||
[AC_MSG_ERROR([none of gcc, egcs and cc is found. set TARGET_CC manually.])])
|
||
AC_CHECK_TOOL(TARGET_OBJCOPY, objcopy)
|
||
AC_CHECK_TOOL(TARGET_STRIP, strip)
|
||
AC_CHECK_TOOL(TARGET_NM, nm)
|
||
AC_CHECK_TOOL(TARGET_RANLIB, ranlib)
|
||
|
||
ac_tool_prefix="$tmp_ac_tool_prefix"
|
||
else
|
||
if test "x$TARGET_CC" = x; then
|
||
TARGET_CC=$CC
|
||
fi
|
||
AC_CHECK_TOOL(TARGET_OBJCOPY, objcopy)
|
||
AC_CHECK_TOOL(TARGET_STRIP, strip)
|
||
AC_CHECK_TOOL(TARGET_NM, nm)
|
||
AC_CHECK_TOOL(TARGET_RANLIB, ranlib)
|
||
fi
|
||
|
||
AC_SUBST(HOST_CC)
|
||
AC_SUBST(BUILD_CC)
|
||
AC_SUBST(BUILD_CFLAGS)
|
||
AC_SUBST(BUILD_CPPFLAGS)
|
||
AC_SUBST(BUILD_LDFLAGS)
|
||
AC_SUBST(TARGET_CC)
|
||
AC_SUBST(TARGET_NM)
|
||
AC_SUBST(TARGET_RANLIB)
|
||
AC_SUBST(TARGET_STRIP)
|
||
AC_SUBST(TARGET_OBJCOPY)
|
||
|
||
# Test the C compiler for the target environment.
|
||
tmp_CC="$CC"
|
||
tmp_CFLAGS="$CFLAGS"
|
||
tmp_LDFLAGS="$LDFLAGS"
|
||
tmp_CPPFLAGS="$CPPFLAGS"
|
||
tmp_LIBS="$LIBS"
|
||
CC="$TARGET_CC"
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
CPPFLAGS="$TARGET_CPPFLAGS"
|
||
LDFLAGS="$TARGET_LDFLAGS"
|
||
LIBS=""
|
||
|
||
if test "x$target_m32" = x1; then
|
||
# Force 32-bit mode.
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -m32"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m32"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m32"
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -m32"
|
||
TARGET_MODULE_FORMAT="elf32"
|
||
fi
|
||
|
||
if test "x$target_m64" = x1; then
|
||
# Force 64-bit mode.
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -m64"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m64"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m64"
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -m64"
|
||
TARGET_MODULE_FORMAT="elf64"
|
||
fi
|
||
|
||
# debug flags.
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $WARN_FLAGS -g -Wredundant-decls -Wmissing-prototypes -Wmissing-declarations"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -g"
|
||
|
||
if test "x$target_cpu" != xi386 && test "x$target_cpu" != xx86_64; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Wcast-align"
|
||
fi
|
||
|
||
TARGET_CC_VERSION="$(LC_ALL=C $TARGET_CC --version | head -n1)"
|
||
|
||
AC_CACHE_CHECK([which extra warnings work], [grub_cv_target_cc_w_extra_flags], [
|
||
LDFLAGS="$TARGET_LDFLAGS -nostdlib -static"
|
||
|
||
grub_cv_target_cc_w_extra_flags=
|
||
for x in $EXTRA_WARN_FLAGS; do
|
||
CFLAGS="$TARGET_CFLAGS $x -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
asm (".globl start; start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])], [flag=1], [flag=0])
|
||
if test x$flag = x1 ; then
|
||
grub_cv_target_cc_w_extra_flags="$grub_cv_target_cc_w_extra_flags $x"
|
||
fi
|
||
done
|
||
])
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_w_extra_flags"
|
||
|
||
AC_CACHE_CHECK([if compiling with clang], [grub_cv_cc_target_clang],
|
||
[
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([], [[
|
||
#ifdef __clang__
|
||
#error "is clang"
|
||
#endif
|
||
]])],
|
||
[grub_cv_cc_target_clang=no], [grub_cv_cc_target_clang=yes])])
|
||
|
||
if test x$target_cpu = xpowerpc -o x$target_cpu = xmips; then
|
||
AC_CACHE_CHECK([for options to get big-endian compilation], grub_cv_target_cc_big_endian, [
|
||
grub_cv_target_cc_big_endian=no
|
||
for cand in "-target $target_cpu -Wl,-EB" "-target $target_cpu" \
|
||
"-target $target_cpu-linux-gnu -Wl,-EB" "-target $target_cpu-linux-gnu" \
|
||
"-EB" "-mbig-endian"; do
|
||
if test x"$grub_cv_target_cc_big_endian" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__ORDER_BIG_ENDIAN__ != __BYTE_ORDER__)
|
||
#error still little endian
|
||
#endif
|
||
asm (".globl start; start:");
|
||
asm (".globl _start; _start:");
|
||
asm (".globl __start; __start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])],
|
||
[grub_cv_target_cc_big_endian="$cand"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_big_endian" = xno ; then
|
||
AC_MSG_ERROR([could not force big-endian])
|
||
fi
|
||
|
||
skip_linkflags="$(echo "$grub_cv_target_cc_big_endian"|sed 's@-Wl,-EB@@')"
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $skip_linkflags"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS $skip_linkflags"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $skip_linkflags"
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_big_endian"
|
||
elif test x$target_cpu = xmipsel; then
|
||
AC_CACHE_CHECK([for options to get little-endian compilation], grub_cv_target_cc_little_endian, [
|
||
grub_cv_target_cc_little_endian=no
|
||
for cand in "-target $target_cpu -Wl,-EL" "-target $target_cpu" \
|
||
"-target $target_cpu-linux-gnu -Wl,-EL" "-target $target_cpu-linux-gnu" \
|
||
"-EL"; do
|
||
if test x"$grub_cv_target_cc_little_endian" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__ORDER_BIG_ENDIAN__ == __BYTE_ORDER__)
|
||
#error still big endian
|
||
#endif
|
||
asm (".globl start; start:");
|
||
asm (".globl _start; _start:");
|
||
asm (".globl __start; __start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])],
|
||
[grub_cv_target_cc_little_endian="$cand"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_little_endian" = xno ; then
|
||
AC_MSG_ERROR([could not force little-endian])
|
||
fi
|
||
|
||
skip_linkflags="$(echo "$grub_cv_target_cc_little_endian"|sed 's@-Wl,-EL@@')"
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $skip_linkflags"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS $skip_linkflags"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $skip_linkflags"
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_little_endian"
|
||
fi
|
||
|
||
# GRUB code is N32-compliant but it's experimental and we would prefer to
|
||
# avoid having too much variety when it doesn't result in any real improvement.
|
||
# Moreover N64 isn't supported.
|
||
if test "x$target_cpu" = xmips || test "x$target_cpu" = xmipsel ; then
|
||
AC_CACHE_CHECK([for options to force MIPS o32 ABI], grub_cv_target_cc_mips_o32_abi, [
|
||
grub_cv_target_cc_mips_o32_abi=no
|
||
for arg in "" "-mabi=32" "-target $target_cpu -mabi=32" ; do
|
||
if test x"$grub_cv_target_cc_mips_o32_abi" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $arg -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
#if !defined(_ABIO32) || !defined(_MIPS_SIM) || (_MIPS_SIM != _ABIO32)
|
||
#error not o32 ABI
|
||
#endif
|
||
asm (".globl start; start:");
|
||
asm (".globl _start; _start:");
|
||
asm (".globl __start; __start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])],
|
||
[grub_cv_target_cc_mips_o32_abi="$arg"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_mips_o32_abi" = xno ; then
|
||
AC_MSG_ERROR([could not force MIPS o32 ABI])
|
||
fi
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_mips_o32_abi"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_target_cc_mips_o32_abi"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([for options to compile assembly], [grub_cv_cc_target_asm_compile], [
|
||
test_program=
|
||
case "x$target_cpu-$platform" in
|
||
xmips-* | xmipsel-*)
|
||
test_program=mips
|
||
;;
|
||
xi386-pc)
|
||
test_program=i386-pc
|
||
;;
|
||
xi386-* | xx86_64-*)
|
||
test_program=i386
|
||
;;
|
||
xpowerpc-* | xsparc64-* | xarm-*)
|
||
test_program=$target_cpu
|
||
;;
|
||
esac
|
||
if test x"$test_program" = x ; then
|
||
grub_cv_cc_target_asm_compile=
|
||
else
|
||
found=no
|
||
for arg in "" "-no-integrated-as"; do
|
||
cmdline="$TARGET_CC -c -o /dev/null $TARGET_CCASFLAGS $arg $TARGET_CPPFLAGS $srcdir/asm-tests/$test_program.S"
|
||
echo "Running $cmdline" >&AS_MESSAGE_LOG_FD
|
||
if $cmdline >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
|
||
grub_cv_cc_target_asm_compile="$arg"
|
||
found=yes
|
||
break
|
||
fi
|
||
done
|
||
if test x"$found" = xno ; then
|
||
AC_MSG_ERROR([could not compile assembly])
|
||
fi
|
||
fi
|
||
])
|
||
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_cc_target_asm_compile"
|
||
|
||
if test "x$target_cpu" = xi386 && test "x$platform" != xemu; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -march=i386"
|
||
fi
|
||
|
||
if test "x$grub_cv_cc_target_clang" = xno && test "x$target_cpu" = xi386 && test "x$platform" != xemu && test "x$platform" != xefi; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mrtd -mregparm=3"
|
||
fi
|
||
|
||
# on mips redirect cache flushing function to non-existant one.
|
||
if test "x$target_cpu" = xmips || test "x$target_cpu" = xmipsel ; then
|
||
AC_CACHE_CHECK([whether -mflush-func=grub_red_herring works], [grub_cv_cc_mflush_func], [
|
||
CFLAGS="$TARGET_CFLAGS -mflush-func=grub_red_herring -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mflush_func=yes],
|
||
[grub_cv_cc_mflush_func=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_mflush_func" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mflush-func=grub_red_herring"
|
||
fi
|
||
fi
|
||
|
||
|
||
# Force no alignment to save space on i386.
|
||
if test "x$target_cpu" = xi386; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -falign-functions=1"
|
||
|
||
AC_CACHE_CHECK([whether -falign-loops works], [grub_cv_cc_falign_loop], [
|
||
CFLAGS="$TARGET_CFLAGS -falign-loops=1 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_falign_loop=yes],
|
||
[grub_cv_cc_falign_loop=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_falign_loop" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -falign-loops=1"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether -falign-jumps works], [grub_cv_cc_falign_jumps], [
|
||
CFLAGS="$TARGET_CFLAGS -falign-jumps=1 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_falign_jumps=yes],
|
||
[grub_cv_cc_falign_jumps=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_falign_jumps" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -falign-jumps=1"
|
||
fi
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether -freg-struct-return works], [grub_cv_cc_freg_struct_return], [
|
||
CFLAGS="$TARGET_CFLAGS -freg-struct-return -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_freg_struct_return=yes],
|
||
[grub_cv_cc_freg_struct_return=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_freg_struct_return" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -freg-struct-return"
|
||
fi
|
||
|
||
if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$platform" != xemu; then
|
||
# Some toolchains enable these features by default, but they need
|
||
# registers that aren't set up properly in GRUB.
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow"
|
||
fi
|
||
|
||
if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ); then
|
||
AC_CACHE_CHECK([whether -Wa,-mx86-used-note works], [grub_cv_cc_mx86_used_note], [
|
||
CFLAGS="$TARGET_CFLAGS -Wa,-mx86-used-note=no -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mx86_used_note=yes],
|
||
[grub_cv_cc_mx86_used_note=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_mx86_used_note" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Wa,-mx86-used-note=no"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -Wa,-mx86-used-note=no"
|
||
fi
|
||
fi
|
||
|
||
if test "x$target_cpu" = xloongarch64; then
|
||
AC_CACHE_CHECK([whether _mno_explicit_relocs works], [grub_cv_cc_mno_explicit_relocs], [
|
||
CFLAGS="$TARGET_CFLAGS -mno-explicit-relocs -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mno_explicit_relocs=yes],
|
||
[grub_cv_cc_mno_explicit_relocs=no])
|
||
])
|
||
if test "x$grub_cv_cc_mno_explicit_relocs" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mno-explicit-relocs -fno-plt"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -mno-explicit-relocs -fno-plt"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([for no-relax options], grub_cv_target_cc_mno_relax, [
|
||
grub_cv_target_cc_mno_relax=no
|
||
for cand in "-mno-relax" "-Wa,-mno-relax"; do
|
||
if test x"$grub_cv_target_cc_mno_relax" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
asm (".globl start; start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])], [grub_cv_target_cc_mno_relax="$cand"], [])
|
||
done
|
||
])
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
if test x"$grub_cv_target_cc_mno_relax" != xno ; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_mno_relax"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_target_cc_mno_relax"
|
||
fi
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Wa,-mla-global-with-abs"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -Wa,-mla-global-with-abs"
|
||
fi
|
||
|
||
# GRUB doesn't use float or doubles at all. Yet some toolchains may decide
|
||
# that floats are a good fit to run instead of what's written in the code.
|
||
# Given that floating point unit is disabled (if present to begin with)
|
||
# when GRUB is running which may result in various hard crashes.
|
||
if test x"$platform" != xemu ; then
|
||
AC_CACHE_CHECK([for options to get soft-float], grub_cv_target_cc_soft_float, [
|
||
grub_cv_target_cc_soft_float=no
|
||
if test "x$target_cpu" = xarm64; then
|
||
CFLAGS="$TARGET_CFLAGS -mgeneral-regs-only -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-mgeneral-regs-only"], [])
|
||
fi
|
||
if test "x$target_cpu" = xriscv32; then
|
||
CFLAGS="$TARGET_CFLAGS -march=rv32imac -mabi=ilp32 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-march=rv32imac -mabi=ilp32"], [])
|
||
# ISA spec version 20191213 factored out extensions Zicsr and Zifencei
|
||
CFLAGS="$TARGET_CFLAGS -march=rv32imac_zicsr_zifencei -mabi=ilp32 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-march=rv32imac_zicsr_zifencei -mabi=ilp32"], [])
|
||
fi
|
||
if test "x$target_cpu" = xriscv64; then
|
||
CFLAGS="$TARGET_CFLAGS -march=rv64imac -mabi=lp64 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-march=rv64imac -mabi=lp64"], [])
|
||
# ISA spec version 20191213 factored out extensions Zicsr and Zifencei
|
||
CFLAGS="$TARGET_CFLAGS -march=rv64imac_zicsr_zifencei -mabi=lp64 -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-march=rv64imac_zicsr_zifencei -mabi=lp64"], [])
|
||
fi
|
||
if test "x$target_cpu" = xia64; then
|
||
CFLAGS="$TARGET_CFLAGS -mno-inline-float-divide -mno-inline-sqrt -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-mno-inline-float-divide -mno-inline-sqrt"], [])
|
||
fi
|
||
if test "x$target_cpu" = xsh4; then
|
||
CFLAGS="$TARGET_CFLAGS -m4-nofpu -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="-m4-nofpu"], [])
|
||
fi
|
||
for cand in "-msoft-float -Xclang -msoft-float -Xclang -no-implicit-float" \
|
||
"-Xclang -msoft-float -Xclang -no-implicit-float" \
|
||
"-Xclang -msoft-float" "-msoft-float"; do
|
||
if test x"$grub_cv_target_cc_soft_float" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_soft_float="$cand"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_soft_float" = xno ; then
|
||
AC_MSG_ERROR([could not force soft-float])
|
||
fi
|
||
|
||
case x"$grub_cv_target_cc_soft_float" in
|
||
x*"-Xclang"*)
|
||
# A trick so that clang doesn't see it on link stаge
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_soft_float"
|
||
;;
|
||
*)
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_soft_float"
|
||
;;
|
||
esac
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_target_cc_soft_float"
|
||
|
||
fi
|
||
|
||
if test x"$target_cpu" = xsparc64 ; then
|
||
AC_CACHE_CHECK([for options to reserve application registers], grub_cv_target_cc_mno_app_regs, [
|
||
grub_cv_target_cc_mno_app_regs=no
|
||
for cand in "-mllvm -sparc-reserve-app-registers" \
|
||
"-mno-app-regs"; do
|
||
if test x"$grub_cv_target_cc_mno_app_regs" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
CPPFLAGS="$TARGET_CPPFLAGS"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_mno_app_regs="$cand"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_mno_app_regs" = xno ; then
|
||
AC_MSG_ERROR([could not reserve application registers])
|
||
fi
|
||
if test x"$grub_cv_target_cc_mno_app_regs" = x"-mllvm -sparc-reserve-app-registers" ; then
|
||
# A trick so that clang doesn't see it on link stаge
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_mno_app_regs"
|
||
else
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_mno_app_regs"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([for no-relax options], grub_cv_target_cc_mno_relax, [
|
||
grub_cv_target_cc_mno_relax=no
|
||
for cand in "-mno-relax" "-Wl,--no-relax"; do
|
||
if test x"$grub_cv_target_cc_mno_relax" != xno ; then
|
||
break
|
||
fi
|
||
LDFLAGS="$TARGET_LDFLAGS $cand -nostdlib -static"
|
||
CFLAGS="$TARGET_CFLAGS -Werror"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
asm (".globl start; start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
int main (void);
|
||
]], [[]])], [grub_cv_target_cc_mno_relax="$cand"], [])
|
||
done
|
||
])
|
||
LDFLAGS="$TARGET_LDFLAGS"
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
if test x"$grub_cv_target_cc_mno_relax" = xno ; then
|
||
AC_MSG_ERROR([could not find no-relax options])
|
||
fi
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_mno_relax"
|
||
fi
|
||
|
||
# By default, GCC 4.4 generates .eh_frame sections containing unwind
|
||
# information in some cases where it previously did not. GRUB doesn't need
|
||
# these and they just use up vital space. Restore the old compiler
|
||
# behaviour.
|
||
AC_CACHE_CHECK([whether -fno-dwarf2-cfi-asm works], [grub_cv_cc_fno_dwarf2_cfi_asm], [
|
||
CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_fno_dwarf2_cfi_asm=yes],
|
||
[grub_cv_cc_fno_dwarf2_cfi_asm=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_fno_dwarf2_cfi_asm" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
|
||
fi
|
||
|
||
if test x"$target_os" = xcygwin; then
|
||
AC_CACHE_CHECK([whether option -fno-reorder-functions works], grub_cv_cc_no_reorder_functions, [
|
||
CFLAGS="$TARGET_CFLAGS -fno-reorder-functions"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_no_reorder_functions=yes],
|
||
[grub_cv_cc_no_reorder_functions=no])
|
||
])
|
||
fi
|
||
|
||
if test x"$target_os" = xcygwin && test "x$grub_cv_cc_no_reorder_functions" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-reorder-functions"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether -mno-stack-arg-probe works], [grub_cv_cc_mno_stack_arg_probe], [
|
||
CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mno_stack_arg_probe=yes],
|
||
[grub_cv_cc_mno_stack_arg_probe=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_mno_stack_arg_probe" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
|
||
fi
|
||
|
||
|
||
# By default, GCC 4.6 generates .eh_frame sections containing unwind
|
||
# information in some cases where it previously did not. GRUB doesn't need
|
||
# these and they just use up vital space. Restore the old compiler
|
||
# behaviour.
|
||
AC_CACHE_CHECK([whether -fno-asynchronous-unwind-tables works], [grub_cv_cc_fno_asynchronous_unwind_tables], [
|
||
CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_fno_asynchronous_unwind_tables=yes],
|
||
[grub_cv_cc_fno_asynchronous_unwind_tables=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_fno_asynchronous_unwind_tables" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether -fno-unwind-tables works], [grub_cv_cc_fno_unwind_tables], [
|
||
CFLAGS="$TARGET_CFLAGS -fno-unwind-tables"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_fno_unwind_tables=yes],
|
||
[grub_cv_cc_fno_unwind_tables=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_fno_unwind_tables" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-unwind-tables"
|
||
fi
|
||
|
||
# Do not generate .ident sections.
|
||
AC_CACHE_CHECK([whether -fno-ident works], [grub_cv_cc_fno_ident], [
|
||
CFLAGS="$TARGET_CFLAGS -fno-ident"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_fno_ident=yes],
|
||
[grub_cv_cc_fno_ident=no])
|
||
])
|
||
|
||
if test "x$grub_cv_cc_fno_ident" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-ident"
|
||
fi
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
|
||
if test x"$platform" = xemu ; then
|
||
TARGET_OBJ2ELF=
|
||
grub_cv_target_cc_link_format=
|
||
case "$host_os" in
|
||
*darwin* | *mac*)
|
||
grub_cv_target_cc_link_format="-arch,${target_cpu}"
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
|
||
;;
|
||
*windows* | *cygwin* | *mingw*)
|
||
if test x${target_cpu} = xi386 ; then
|
||
grub_cv_target_cc_link_format=-mi386pe
|
||
TARGET_OBJ2ELF='./build-grub-pe2elf$(BUILD_EXEEXT)'
|
||
fi
|
||
if test x${target_cpu} = xx86_64 ; then
|
||
grub_cv_target_cc_link_format=-mi386pep
|
||
TARGET_OBJ2ELF='./build-grub-pep2elf$(BUILD_EXEEXT)'
|
||
fi
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
|
||
;;
|
||
esac
|
||
elif test x"$target_cpu" = xi386 || test x"$target_cpu" = xx86_64; then
|
||
AC_CACHE_CHECK([for target linking format], [grub_cv_target_cc_link_format], [
|
||
grub_cv_target_cc_link_format=unknown
|
||
for format in -mi386pep; do
|
||
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
LDFLAGS="$TARGET_LDFLAGS -Wl,$format -nostdlib -static"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
asm (".globl start; start:");
|
||
asm (".globl _start; _start:");
|
||
asm (".globl __start; __start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
]], [[]])], [flag=1], [flag=0])
|
||
if test x"$flag" = x0; then
|
||
grub_cv_target_cc_link_format="$format"
|
||
break
|
||
fi
|
||
done])
|
||
if test x"$grub_cv_target_cc_link_format" = xunknown; then
|
||
AC_MSG_ERROR([no suitable link format found])
|
||
fi
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
|
||
if test x"$grub_cv_target_cc_link_format" = x-mi386pe ; then
|
||
TARGET_OBJ2ELF='./build-grub-pe2elf$(BUILD_EXEEXT)'
|
||
fi
|
||
if test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
|
||
TARGET_OBJ2ELF='./build-grub-pep2elf$(BUILD_EXEEXT)'
|
||
fi
|
||
fi
|
||
|
||
if test x$grub_cv_target_cc_link_format = x-arch,i386 || test x$grub_cv_target_cc_link_format = x-arch,x86_64; then
|
||
TARGET_APPLE_LINKER=1
|
||
AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [objconv], [])
|
||
if test "x$TARGET_OBJCONV" = x ; then
|
||
AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [./objconv], [], [.])
|
||
fi
|
||
if test "x$TARGET_OBJCONV" = x ; then
|
||
AC_MSG_ERROR([objconv not found which is required when building with apple compiler])
|
||
fi
|
||
TARGET_IMG_LDSCRIPT=
|
||
TARGET_IMG_CFLAGS="-static"
|
||
TARGET_IMG_LDFLAGS='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
|
||
TARGET_IMG_LDFLAGS_AC='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
|
||
TARGET_IMG_BASE_LDOPT="-Wl,-image_base"
|
||
TARGET_LDFLAGS_OLDMAGIC=""
|
||
elif test x$grub_cv_target_cc_link_format = x-mi386pe || test x$grub_cv_target_cc_link_format = x-mi386pep ; then
|
||
TARGET_APPLE_LINKER=0
|
||
TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
|
||
TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/conf/i386-cygwin-img-ld.sc"
|
||
TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT}"
|
||
TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/conf/i386-cygwin-img-ld.sc"
|
||
TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
|
||
TARGET_IMG_CFLAGS=
|
||
else
|
||
TARGET_APPLE_LINKER=0
|
||
TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
|
||
TARGET_IMG_LDSCRIPT=
|
||
TARGET_IMG_LDFLAGS='-Wl,-N'
|
||
TARGET_IMG_LDFLAGS_AC='-Wl,-N'
|
||
TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
|
||
TARGET_IMG_CFLAGS=
|
||
fi
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
AC_ARG_ENABLE([efiemu],
|
||
[AS_HELP_STRING([--enable-efiemu],
|
||
[build and install the efiemu runtimes (default=guessed)])])
|
||
if test x"$enable_efiemu" = xno ; then
|
||
efiemu_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$grub_cv_target_cc_link_format" = x-mi386pe || test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
|
||
efiemu_excuse="not available on cygwin"
|
||
fi
|
||
if test x"$target_cpu" != xi386 ; then
|
||
efiemu_excuse="only available on i386"
|
||
fi
|
||
if test x"$platform" = xefi ; then
|
||
efiemu_excuse="not available on efi"
|
||
fi
|
||
|
||
if test x"$efiemu_excuse" = x ; then
|
||
AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
|
||
CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_efiemu=yes],
|
||
[grub_cv_cc_efiemu=no])
|
||
])
|
||
if test x$grub_cv_cc_efiemu = xno; then
|
||
efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
|
||
fi
|
||
fi
|
||
if test x"$efiemu_excuse" = x ; then
|
||
AC_CACHE_CHECK([for efiemu64 linking format], [grub_cv_target_cc_efiemu64_link_format], [
|
||
grub_cv_target_cc_efiemu64_link_format=unknown
|
||
for format in -melf_x86_64 -melf_x86_64_fbsd -melf_x86_64_obsd -melf_x86_64_haiku -arch,x86_64; do
|
||
CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
|
||
LDFLAGS="-m64 -Wl,$format -nostdlib -static"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
asm (".globl start; start:");
|
||
asm (".globl _start; _start:");
|
||
asm (".globl __start; __start:");
|
||
void __main (void);
|
||
void __main (void) {}
|
||
]], [[]])], [flag=1], [flag=0])
|
||
if test x"$flag" = x1; then
|
||
grub_cv_target_cc_efiemu64_link_format="$format"
|
||
break
|
||
fi
|
||
done])
|
||
if test x"$grub_cv_target_cc_efiemu64_link_format" = xunknown; then
|
||
efiemu_excuse="no suitable link format for efiemu64 found"
|
||
else
|
||
EFIEMU64_LINK_FORMAT="-Wl,$grub_cv_target_cc_efiemu64_link_format"
|
||
fi
|
||
fi
|
||
if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
|
||
AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled ($efiemu_excuse)])
|
||
fi
|
||
if test x"$efiemu_excuse" = x ; then
|
||
enable_efiemu=yes
|
||
else
|
||
enable_efiemu=no
|
||
fi
|
||
AC_SUBST([enable_efiemu])
|
||
AC_SUBST([EFIEMU64_LINK_FORMAT])
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
|
||
|
||
|
||
LDFLAGS="$TARGET_LDFLAGS"
|
||
|
||
if test "$target_cpu" = x86_64 || test "$target_cpu" = sparc64 || test "$target_cpu" = riscv64 \
|
||
|| test "$target_cpu" = loongarch64 ; then
|
||
# Use large model to support 4G memory
|
||
AC_CACHE_CHECK([whether option -mcmodel=large works], grub_cv_cc_mcmodel, [
|
||
CFLAGS="$TARGET_CFLAGS -mcmodel=large"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mcmodel=yes],
|
||
[grub_cv_cc_mcmodel=no])
|
||
])
|
||
if test "x$grub_cv_cc_mcmodel" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large"
|
||
elif test "$target_cpu" = sparc64 || test "$target_cpu" = riscv64; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=medany"
|
||
fi
|
||
fi
|
||
|
||
if test "$target_cpu"-"$platform" = x86_64-efi; then
|
||
# EFI writes to stack below %rsp, we must not use the red zone
|
||
AC_CACHE_CHECK([whether option -mno-red-zone works], grub_cv_cc_no_red_zone, [
|
||
CFLAGS="$TARGET_CFLAGS -mno-red-zone"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_no_red_zone=yes],
|
||
[grub_cv_cc_no_red_zone=no])
|
||
])
|
||
if test "x$grub_cv_cc_no_red_zone" = xno; then
|
||
AC_MSG_ERROR([-mno-red-zone not supported, upgrade your gcc])
|
||
fi
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mno-red-zone"
|
||
fi
|
||
|
||
if test "x$target_cpu" = xarm; then
|
||
AC_CACHE_CHECK([for options to disable movt and movw], grub_cv_target_cc_mno_movt, [
|
||
grub_cv_target_cc_mno_movt=no
|
||
for cand in "-mno-movt" \
|
||
"-mllvm -arm-use-movt=0" \
|
||
"-mword-relocations"; do
|
||
if test x"$grub_cv_target_cc_mno_movt" != xno ; then
|
||
break
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS $cand -Werror"
|
||
CPPFLAGS="$TARGET_CPPFLAGS"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_mno_movt="$cand"], [])
|
||
done
|
||
])
|
||
|
||
if test x"$grub_cv_target_cc_mno_movt" != xno ; then
|
||
# A trick so that clang doesn't see it on link stage
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_mno_movt"
|
||
fi
|
||
AC_CACHE_CHECK([whether option -mthumb-interwork works], grub_cv_cc_mthumb_interwork, [
|
||
CFLAGS="$TARGET_CFLAGS -mthumb-interwork -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_cc_mthumb_interwork=yes],
|
||
[grub_cv_cc_mthumb_interwork=no])
|
||
])
|
||
if test "x$grub_cv_cc_mthumb_interwork" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mthumb-interwork"
|
||
# Clang defaults to thumb interworking
|
||
elif test "x$grub_cv_cc_target_clang" = xno ; then
|
||
AC_MSG_ERROR([your compiler doesn't support -mthumb-interwork])
|
||
fi
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether option -Qn works], grub_cv_target_cc_qn, [
|
||
CFLAGS="$TARGET_CFLAGS -Qn -Qunused-arguments -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[grub_cv_target_cc_qn=yes],
|
||
[grub_cv_target_cc_qn=no])])
|
||
if test "x$grub_cv_target_cc_qn" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Qn -Qunused-arguments"
|
||
fi
|
||
|
||
#
|
||
# Compiler features.
|
||
#
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
# Position independent executable.
|
||
grub_CHECK_PIE
|
||
grub_CHECK_NO_PIE
|
||
grub_CHECK_NO_PIE_ONEWORD
|
||
grub_CHECK_LINK_PIE
|
||
[# Need that, because some distributions ship compilers that include
|
||
# `-fPIE' or '-fpie' and '-pie' in the default specs.
|
||
if [ x"$pie_possible" = xyes ]; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE -fno-pie"
|
||
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -fno-PIE -fno-pie"
|
||
fi
|
||
|
||
if [ x"$link_nopie_needed" = xyes ] || [ x"$pie_possible" = xyes ]; then
|
||
if [ x"$nopie_possible" = xyes ]; then
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -no-pie"
|
||
fi
|
||
if [ x"$nopie_oneword_possible" = xyes ]; then
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -nopie"
|
||
fi
|
||
fi]
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
LDFLAGS="$TARGET_LDFLAGS"
|
||
|
||
# Position independent executable.
|
||
grub_CHECK_PIC
|
||
[# On most platforms we don't want PIC as it only makes relocations harder
|
||
# and code less efficient. On mips we want to have one got table per module
|
||
# and reload $gp in every function.
|
||
# GCC implements it using symbol __gnu_local_gp in non-PIC as well.
|
||
# However with clang we need PIC for this reloading to happen.
|
||
# With arm64 we need relocations that are in some way representable in
|
||
# PE as we need to support arm64-efi. Without -fPIC clang generates
|
||
# movk's which aren't representable.
|
||
# Since default varies across dictributions use either -fPIC or -fno-PIC
|
||
# explicitly.
|
||
if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel || test x$target_cpu = xarm64 ) && test "x$grub_cv_cc_target_clang" = xyes ; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fPIC"
|
||
elif [ x"$pic_possible" = xyes ]; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIC"
|
||
fi]
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
# Stack smashing protector.
|
||
grub_CHECK_STACK_PROTECTOR
|
||
AC_ARG_ENABLE([stack-protector],
|
||
AS_HELP_STRING([--enable-stack-protector],
|
||
[enable the stack protector]),
|
||
[],
|
||
[enable_stack_protector=no])
|
||
if test "x$enable_stack_protector" = xno; then
|
||
if test "x$ssp_possible" = xyes; then
|
||
# Need that, because some distributions ship compilers that include
|
||
# `-fstack-protector' in the default specs.
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fno-stack-protector"
|
||
fi
|
||
elif test "x$platform" != xefi; then
|
||
if test "$ERROR_PLATFORM_NOT_SUPPORT_SSP" = "yes"; then
|
||
AC_MSG_ERROR([--enable-stack-protector is only supported on EFI platforms])
|
||
else
|
||
AC_MSG_WARN([--enable-stack-protector is only supported on EFI platforms])
|
||
fi
|
||
enable_stack_protector=no
|
||
elif test "x$ssp_global_possible" != xyes; then
|
||
AC_MSG_ERROR([--enable-stack-protector is not supported (compiler doesn't support -mstack-protector-guard=global)])
|
||
else
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mstack-protector-guard=global"
|
||
if test "x$enable_stack_protector" = xyes; then
|
||
if test "x$ssp_possible" != xyes; then
|
||
AC_MSG_ERROR([--enable-stack-protector is not supported (compiler doesn't support -fstack-protector)])
|
||
fi
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fstack-protector"
|
||
elif test "x$enable_stack_protector" = xstrong; then
|
||
if test "x$ssp_strong_possible" != xyes; then
|
||
AC_MSG_ERROR([--enable-stack-protector=strong is not supported (compiler doesn't support -fstack-protector-strong)])
|
||
fi
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -fstack-protector-strong"
|
||
else
|
||
# Note, -fstack-protector-all requires that the protector is disabled for
|
||
# functions that appear in the call stack when the canary is initialized.
|
||
AC_MSG_ERROR([invalid value $enable_stack_protector for --enable-stack-protector])
|
||
fi
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -DGRUB_STACK_PROTECTOR=1"
|
||
fi
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
grub_CHECK_STACK_ARG_PROBE
|
||
# Cygwin's GCC uses alloca() to probe the stackframe on static
|
||
# stack allocations above some threshold.
|
||
if test x"$sap_possible" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
|
||
fi
|
||
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
|
||
# -mno-unaligned-access -mstrict-align
|
||
if test "$target_cpu" = arm; then
|
||
AC_CACHE_CHECK([for compile options to get strict alignment], [grub_cv_target_cc_strict_align], [
|
||
grub_cv_target_cc_strict_align=
|
||
for arg in -mno-unaligned-access "-Xclang -mstrict-align" -mstrict-align; do
|
||
CFLAGS="$TARGET_CFLAGS $arg -Werror"
|
||
LDFLAGS="$TARGET_LDFLAGS"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], [flag=1], [flag=0])
|
||
if test x"$flag" = x1; then
|
||
grub_cv_target_cc_strict_align="$arg"
|
||
break
|
||
fi
|
||
done])
|
||
|
||
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_strict_align"
|
||
if test x"$grub_cv_target_cc_strict_align" = x"-Xclang -mstrict-align"; then
|
||
TARGET_LDFLAGS="$TARGET_LDFLAGS -Qunused-arguments"
|
||
fi
|
||
AC_CACHE_CHECK([if compiler generates unaligned accesses], [grub_cv_cc_target_emits_unaligned],
|
||
[CFLAGS="$TARGET_CFLAGS"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
|
||
#ifdef __ARM_FEATURE_UNALIGNED
|
||
#error "unaligned"
|
||
#endif
|
||
]])],
|
||
[grub_cv_cc_target_emits_unaligned=no], [grub_cv_cc_target_emits_unaligned=yes])])
|
||
if test x$grub_cv_cc_target_emits_unaligned = xyes; then
|
||
AC_MSG_ERROR([compiler generates unaligned accesses])
|
||
fi
|
||
fi
|
||
|
||
# Set them to their new values for the tests below.
|
||
CC="$TARGET_CC"
|
||
CPPFLAGS="$TARGET_CPPFLAGS"
|
||
|
||
# Check for libgcc symbols
|
||
if test x"$platform" = xemu; then
|
||
CFLAGS="$TARGET_CFLAGS -Wno-error"
|
||
AC_CHECK_FUNCS(__udivsi3 __umodsi3 __divsi3 __modsi3 __divdi3 __moddi3 __udivdi3 __umoddi3 __ctzdi2 __ctzsi2 __clzdi2 __aeabi_uidiv __aeabi_uidivmod __aeabi_idiv __aeabi_idivmod __aeabi_ulcmp __muldi3 __aeabi_lmul __aeabi_memcpy __aeabi_memcpy4 __aeabi_memcpy8 __aeabi_memclr __aeabi_memclr4 __aeabi_memclr8 __aeabi_memset __aeabi_lasr __aeabi_llsl __aeabi_llsr _restgpr_14_x __ucmpdi2 __ashldi3 __ashrdi3 __lshrdi3 __bswapsi2 __bswapdi2 __bzero __register_frame_info __deregister_frame_info ___chkstk_ms __chkstk_ms)
|
||
fi
|
||
|
||
if test "x$TARGET_APPLE_LINKER" = x1 ; then
|
||
CFLAGS="$TARGET_CFLAGS -nostdlib -static"
|
||
else
|
||
CFLAGS="$TARGET_CFLAGS -nostdlib"
|
||
fi
|
||
LIBS=""
|
||
|
||
# Defined in acinclude.m4.
|
||
grub_ASM_USCORE
|
||
grub_PROG_TARGET_CC
|
||
if test "x$TARGET_APPLE_LINKER" != x1 ; then
|
||
grub_PROG_OBJCOPY_ABSOLUTE
|
||
fi
|
||
grub_PROG_LD_BUILD_ID_NONE
|
||
if test "x$target_cpu" = xi386; then
|
||
if test "$platform" != emu && test "x$TARGET_APPLE_LINKER" != x1 ; then
|
||
if test ! -z "$TARGET_IMG_LDSCRIPT"; then
|
||
# Check symbols provided by linker script.
|
||
CFLAGS="$TARGET_CFLAGS -nostdlib ${TARGET_IMG_LDFLAGS_AC} ${TARGET_IMG_BASE_LDOPT},0x8000"
|
||
fi
|
||
grub_CHECK_BSS_START_SYMBOL
|
||
grub_CHECK_END_SYMBOL
|
||
fi
|
||
CFLAGS="$TARGET_CFLAGS"
|
||
fi
|
||
|
||
grub_PROG_NM_WORKS
|
||
grub_PROG_NM_MINUS_P
|
||
grub_PROG_NM_DEFINED_ONLY
|
||
AC_SUBST(TARGET_NMFLAGS_MINUS_P)
|
||
AC_SUBST(TARGET_NMFLAGS_DEFINED_ONLY)
|
||
|
||
if test "$platform" != emu; then
|
||
AC_CACHE_CHECK([whether -nostdinc -isystem works], [grub_cv_cc_isystem], [
|
||
SAVED_CPPFLAGS="$CPPFLAGS"
|
||
CPPFLAGS="$TARGET_CPPFLAGS -nostdlib -nostdinc -isystem `$TARGET_CC -print-file-name=include`"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
|
||
#include <stddef.h>
|
||
int va_arg_func (int fixed, va_list args);]], [[]])],
|
||
[grub_cv_cc_isystem=yes],
|
||
[grub_cv_cc_isystem=no])
|
||
CPPFLAGS="$SAVED_CPPFLAGS"
|
||
])
|
||
|
||
if test x"$grub_cv_cc_isystem" = xyes ; then
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -nostdinc -isystem `$TARGET_CC -print-file-name=include`"
|
||
fi
|
||
fi
|
||
|
||
AC_CACHE_CHECK([whether -Wtrampolines work], [grub_cv_cc_wtrampolines], [
|
||
CFLAGS="$TARGET_CFLAGS -Wtrampolines -Werror"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
|
||
int va_arg_func (int fixed, va_list args);]], [[]])],
|
||
[grub_cv_cc_wtrampolines=yes],
|
||
[grub_cv_cc_wtrampolines=no])
|
||
])
|
||
|
||
if test x"$grub_cv_cc_wtrampolines" = xyes ; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Wtrampolines"
|
||
fi
|
||
|
||
# Restore the flags.
|
||
CC="$tmp_CC"
|
||
CFLAGS="$tmp_CFLAGS"
|
||
CPPFLAGS="$tmp_CPPFLAGS"
|
||
LDFLAGS="$tmp_LDFLAGS"
|
||
LIBS="$tmp_LIBS"
|
||
|
||
#
|
||
# Check for options.
|
||
#
|
||
|
||
# Memory manager debugging.
|
||
AC_ARG_ENABLE([mm-debug],
|
||
AS_HELP_STRING([--enable-mm-debug],
|
||
[include memory manager debugging]))
|
||
if test x$enable_mm_debug = xyes; then
|
||
MM_DEBUG=1
|
||
else
|
||
MM_DEBUG=0
|
||
fi
|
||
AC_SUBST([MM_DEBUG])
|
||
AM_CONDITIONAL([COND_MM_DEBUG], [test x$MM_DEBUG = x1])
|
||
|
||
AC_ARG_ENABLE([cache-stats],
|
||
AS_HELP_STRING([--enable-cache-stats],
|
||
[enable disk cache statistics collection]))
|
||
|
||
if test x$enable_cache_stats = xyes; then
|
||
DISK_CACHE_STATS=1
|
||
else
|
||
DISK_CACHE_STATS=0
|
||
fi
|
||
AC_SUBST([DISK_CACHE_STATS])
|
||
|
||
AC_ARG_ENABLE([boot-time],
|
||
AS_HELP_STRING([--enable-boot-time],
|
||
[enable boot time statistics collection]))
|
||
|
||
if test x$enable_boot_time = xyes; then
|
||
BOOT_TIME_STATS=1
|
||
else
|
||
BOOT_TIME_STATS=0
|
||
fi
|
||
AC_SUBST([BOOT_TIME_STATS])
|
||
|
||
AC_ARG_ENABLE([grub-emu-sdl2],
|
||
[AS_HELP_STRING([--enable-grub-emu-sdl2],
|
||
[build and install the `grub-emu' debugging utility with SDL2 support (default=guessed)])])
|
||
|
||
AC_ARG_ENABLE([grub-emu-sdl],
|
||
[AS_HELP_STRING([--enable-grub-emu-sdl],
|
||
[build and install the `grub-emu' debugging utility with SDL support (default=guessed)])])
|
||
|
||
AC_ARG_ENABLE([grub-emu-pci],
|
||
[AS_HELP_STRING([--enable-grub-emu-pci],
|
||
[build and install the `grub-emu' debugging utility with PCI support (potentially dangerous) (default=no)])])
|
||
|
||
if test "$platform" = emu; then
|
||
if test x"$enable_grub_emu_sdl2" = xno ; then
|
||
grub_emu_sdl2_excuse="explicitly disabled"
|
||
fi
|
||
[if [ x"$grub_emu_sdl2_excuse" = x ]; then
|
||
# Check for libSDL libraries.]
|
||
PKG_CHECK_MODULES([SDL2], [sdl2], [
|
||
AC_DEFINE([HAVE_SDL2], [1], [Define to 1 if you have SDL2 library.])
|
||
AC_SUBST(HAVE_SDL2)],
|
||
[grub_emu_sdl2_excuse="libSDL2 libraries are required to build \`grub-emu' with SDL2 support"])
|
||
[fi]
|
||
if test x"enable_grub_emu_sdl2" = xyes && test x"$grub_emu_sdl2_excuse" != x ; then
|
||
AC_MSG_ERROR([SDL2 support for grub-emu was explicitly requested but can't be compiled ($grub_emu_sdl2_excuse)])
|
||
fi
|
||
if test x"$grub_emu_sdl2_excuse" = x ; then
|
||
enable_grub_emu_sdl2=yes
|
||
else
|
||
enable_grub_emu_sdl2=no
|
||
fi
|
||
if test x"$enable_grub_emu_sdl2" = xyes ; then
|
||
grub_emu_sdl_excuse="disabled by sdl2"
|
||
fi
|
||
|
||
|
||
if test x"$enable_grub_emu_sdl" = xno ; then
|
||
grub_emu_sdl_excuse="explicitly disabled"
|
||
fi
|
||
[if [ x"$grub_emu_sdl_excuse" = x ]; then
|
||
# Check for libSDL libraries.]
|
||
AC_CHECK_LIB([SDL], [SDL_Init], [LIBSDL="-lSDL"],
|
||
[grub_emu_sdl_excuse=["libSDL libraries are required to build \`grub-emu' with SDL support"]])
|
||
AC_SUBST([LIBSDL])
|
||
[fi]
|
||
|
||
[if [ x"$grub_emu_sdl_excuse" = x ]; then
|
||
# Check for headers.]
|
||
AC_CHECK_HEADERS([SDL/SDL.h], [],
|
||
[grub_emu_sdl_excuse=["libSDL header file is required to build \`grub-emu' with SDL support"]])
|
||
[fi]
|
||
|
||
if test x"$enable_grub_emu_sdl" = xyes && test x"$grub_emu_sdl_excuse" != x ; then
|
||
AC_MSG_ERROR([SDL support for grub-emu was explicitly requested but can't be compiled ($grub_emu_sdl_excuse)])
|
||
fi
|
||
if test x"$grub_emu_sdl_excuse" = x ; then
|
||
enable_grub_emu_sdl=yes
|
||
else
|
||
enable_grub_emu_sdl=no
|
||
fi
|
||
|
||
if test x"$enable_grub_emu_pci" != xyes ; then
|
||
grub_emu_pci_excuse="not enabled"
|
||
fi
|
||
|
||
[if [ x"$grub_emu_pci_excuse" = x ]; then
|
||
# Check for libpci libraries.]
|
||
AC_CHECK_LIB([pciaccess], [pci_system_init], [LIBPCIACCESS="-lpciaccess"],
|
||
[grub_emu_pci_excuse=["need libpciaccess library"]])
|
||
AC_SUBST([LIBPCIACCESS])
|
||
[fi]
|
||
[if [ x"$grub_emu_pci_excuse" = x ]; then
|
||
# Check for headers.]
|
||
AC_CHECK_HEADERS([pciaccess.h], [],
|
||
[grub_emu_pci_excuse=["need libpciaccess headers"]])
|
||
[fi]
|
||
|
||
if test x"$grub_emu_pci_excuse" = x ; then
|
||
enable_grub_emu_pci=yes
|
||
else
|
||
enable_grub_emu_pci=no
|
||
fi
|
||
|
||
AC_SUBST([enable_grub_emu_sdl2])
|
||
AC_SUBST([enable_grub_emu_sdl])
|
||
AC_SUBST([enable_grub_emu_pci])
|
||
|
||
else
|
||
|
||
# Ignore --enable-emu-* if platform is not emu
|
||
enable_grub_emu_sdl2=no
|
||
enable_grub_emu_sdl=no
|
||
enable_grub_emu_pci=no
|
||
fi
|
||
|
||
AC_ARG_ENABLE([grub-mkfont],
|
||
[AS_HELP_STRING([--enable-grub-mkfont],
|
||
[build and install the `grub-mkfont' utility (default=guessed)])])
|
||
if test x"$enable_grub_mkfont" = xno ; then
|
||
grub_mkfont_excuse="explicitly disabled"
|
||
fi
|
||
|
||
unset ac_cv_header_ft2build_h
|
||
|
||
if test x"$grub_mkfont_excuse" = x ; then
|
||
# Check for freetype libraries.
|
||
PKG_CHECK_MODULES([FREETYPE], [freetype2], [
|
||
SAVED_CPPFLAGS="$CPPFLAGS"
|
||
SAVED_LIBS="$LIBS"
|
||
CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS"
|
||
LIBS="$LIBS $FREETYPE_LIBS"
|
||
AC_CHECK_HEADERS([ft2build.h], [],
|
||
[grub_mkfont_excuse=["need freetype2 headers"]])
|
||
AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
|
||
[grub_mkfont_excuse=["freetype2 library unusable"]])
|
||
CPPFLAGS="$SAVED_CPPFLAGS"
|
||
LIBS="$SAVED_LIBS"
|
||
], [grub_mkfont_excuse=["need freetype2 library"]])
|
||
fi
|
||
|
||
if test x"$enable_grub_mkfont" = xyes && test x"$grub_mkfont_excuse" != x ; then
|
||
AC_MSG_ERROR([grub-mkfont was explicitly requested but can't be compiled ($grub_mkfont_excuse)])
|
||
fi
|
||
if test x"$grub_mkfont_excuse" = x ; then
|
||
enable_grub_mkfont=yes
|
||
else
|
||
enable_grub_mkfont=no
|
||
fi
|
||
AC_SUBST([enable_grub_mkfont])
|
||
|
||
SAVED_CC="$CC"
|
||
SAVED_CPP="$CPP"
|
||
SAVED_CFLAGS="$CFLAGS"
|
||
SAVED_CPPFLAGS="$CPPFLAGS"
|
||
SAVED_LDFLAGS="$LDFLAGS"
|
||
CC="$BUILD_CC"
|
||
CPP="$BUILD_CPP"
|
||
CFLAGS="$BUILD_CFLAGS"
|
||
CPPFLAGS="$BUILD_CPPFLAGS"
|
||
LDFLAGS="$BUILD_LDFLAGS"
|
||
|
||
unset ac_cv_c_bigendian
|
||
unset ac_cv_header_ft2build_h
|
||
|
||
AC_COMPUTE_INT([BUILD_SIZEOF_VOID_P], [sizeof (void *)])
|
||
AC_COMPUTE_INT([BUILD_SIZEOF_LONG], [sizeof (long)])
|
||
AC_C_BIGENDIAN([BUILD_WORDS_BIGENDIAN=1], [BUILD_WORDS_BIGENDIAN=0], [BUILD_WORDS_BIGENDIAN=err], [BUILD_WORDS_BIGENDIAN=err])
|
||
|
||
if test x$BUILD_WORDS_BIGENDIAN = xerr ; then
|
||
AC_MSG_ERROR([couldnt determine build endianness])
|
||
fi
|
||
|
||
AC_SUBST([BUILD_SIZEOF_LONG])
|
||
AC_SUBST([BUILD_SIZEOF_VOID_P])
|
||
AC_SUBST([BUILD_WORDS_BIGENDIAN])
|
||
|
||
if test x"$grub_build_mkfont_excuse" = x ; then
|
||
# Check for freetype libraries.
|
||
SAVED_PKG_CONFIG="$PKG_CONFIG"
|
||
test -z "$BUILD_PKG_CONFIG" || PKG_CONFIG="$BUILD_PKG_CONFIG"
|
||
PKG_CHECK_MODULES([BUILD_FREETYPE], [freetype2], [
|
||
SAVED_CPPFLAGS_2="$CPPFLAGS"
|
||
SAVED_LIBS="$LIBS"
|
||
CPPFLAGS="$CPPFLAGS $BUILD_FREETYPE_CFLAGS"
|
||
LIBS="$LIBS $BUILD_FREETYPE_LIBS"
|
||
AC_CHECK_HEADERS([ft2build.h], [],
|
||
[grub_build_mkfont_excuse=["need freetype2 headers"]])
|
||
AC_LINK_IFELSE([AC_LANG_CALL([], [FT_Load_Glyph])], [],
|
||
[grub_build_mkfont_excuse=["freetype2 library unusable"]])
|
||
LIBS="$SAVED_LIBS"
|
||
CPPFLAGS="$SAVED_CPPFLAGS_2"
|
||
], [grub_build_mkfont_excuse=["need freetype2 library"]])
|
||
PKG_CONFIG="$SAVED_PKG_CONFIG"
|
||
fi
|
||
|
||
if test x"$enable_build_grub_mkfont" = xyes && test x"$grub_build_mkfont_excuse" != x ; then
|
||
AC_MSG_ERROR([build-grub-mkfont was explicitly requested but can't be compiled ($grub_build_mkfont_excuse)])
|
||
fi
|
||
if test x"$grub_build_mkfont_excuse" = x ; then
|
||
enable_build_grub_mkfont=yes
|
||
else
|
||
enable_build_grub_mkfont=no
|
||
fi
|
||
if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
|
||
if test x"$grub_build_mkfont_excuse" = x ; then
|
||
AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont])
|
||
else
|
||
AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont ($grub_build_mkfont_excuse)])
|
||
fi
|
||
fi
|
||
|
||
CC="$SAVED_CC"
|
||
CPP="$SAVED_CPP"
|
||
CFLAGS="$SAVED_CFLAGS"
|
||
CPPFLAGS="$SAVED_CPPFLAGS"
|
||
LDFLAGS="$SAVED_LDFLAGS"
|
||
|
||
|
||
DJVU_FONT_SOURCE=
|
||
|
||
starfield_excuse=
|
||
|
||
AC_ARG_ENABLE([grub-themes],
|
||
[AS_HELP_STRING([--enable-grub-themes],
|
||
[build and install GRUB themes (default=guessed)])])
|
||
if test x"$enable_grub_themes" = xno ; then
|
||
starfield_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$starfield_excuse" = x && test x"$enable_build_grub_mkfont" = xno ; then
|
||
starfield_excuse="No build-time grub-mkfont"
|
||
fi
|
||
|
||
if test x"$starfield_excuse" = x; then
|
||
for ext in pcf pcf.gz bdf bdf.gz ttf ttf.gz; do
|
||
for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/truetype/ttf-dejavu /usr/share/fonts/dejavu /usr/share/fonts/truetype; do
|
||
if test -f "$dir/DejaVuSans.$ext"; then
|
||
DJVU_FONT_SOURCE="$dir/DejaVuSans.$ext"
|
||
break 2
|
||
fi
|
||
done
|
||
done
|
||
|
||
if test "x$DJVU_FONT_SOURCE" = x; then
|
||
starfield_excuse="No DejaVu found"
|
||
fi
|
||
fi
|
||
|
||
if test x"$enable_grub_themes" = xyes && test x"$starfield_excuse" != x; then
|
||
AC_MSG_ERROR([themes were explicitly requested but requirements are not satisfied ($starfield_excuse)])
|
||
fi
|
||
|
||
AC_SUBST([DJVU_FONT_SOURCE])
|
||
|
||
FONT_SOURCE=
|
||
|
||
for ext in pcf pcf.gz bdf bdf.gz ttf ttf.gz; do
|
||
for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/unifont /usr/share/fonts/uni /usr/share/fonts/truetype/unifont /usr/share/fonts/misc; do
|
||
if test -f "$dir/unifont.$ext"; then
|
||
md5="$(md5sum "$dir/unifont.$ext"|awk '{ print $1; }')"
|
||
# PCF and BDF from version 6.3 isn't hanled properly by libfreetype.
|
||
if test "$md5" = 0a54834d2788c83886a3e1785a6a1e61 || test "$md5" = 28f2565c7a41d8d407e2551159385edb || test "$md5" = dae5e588461b3b92b87b6ffee734f936 || test "$md5" = 4a3d687aa5bb329ed05f4263a1016791 ; then
|
||
continue
|
||
fi
|
||
FONT_SOURCE="$dir/unifont.$ext"
|
||
break 2
|
||
fi
|
||
done
|
||
done
|
||
|
||
if test x"$enable_build_grub_mkfont" = xno ; then
|
||
FONT_SOURCE=
|
||
fi
|
||
|
||
if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
|
||
if test x"$grub_build_mkfont_excuse" = x ; then
|
||
AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont])
|
||
else
|
||
AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont ($grub_build_mkfont_excuse)])
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST([FONT_SOURCE])
|
||
|
||
if test x"$FONT_SOURCE" = x && test x"$DJVU_FONT_SOURCE" = x && test x"$grub_build_mkfont_excuse" = x; then
|
||
grub_build_mkfont_excuse="no fonts"
|
||
fi
|
||
|
||
|
||
AC_ARG_ENABLE([grub-mount],
|
||
[AS_HELP_STRING([--enable-grub-mount],
|
||
[build and install the `grub-mount' utility (default=guessed)])])
|
||
if test x"$enable_grub_mount" = xno ; then
|
||
grub_mount_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$grub_mount_excuse" = x ; then
|
||
PKG_CHECK_MODULES([FUSE], [fuse3], [FUSE_CFLAGS="$FUSE_CFLAGS -DFUSE_USE_VERSION=32"], [
|
||
PKG_CHECK_MODULES([FUSE], [fuse], [FUSE_CFLAGS="$FUSE_CFLAGS -DFUSE_USE_VERSION=26"], [
|
||
grub_mount_excuse="need fuse or fuse3 libraries"
|
||
])
|
||
])
|
||
fi
|
||
|
||
if test x"$enable_grub_mount" = xyes && test x"$grub_mount_excuse" != x ; then
|
||
AC_MSG_ERROR([grub-mount was explicitly requested but can't be compiled ($grub_mount_excuse)])
|
||
fi
|
||
if test x"$grub_mount_excuse" = x ; then
|
||
enable_grub_mount=yes
|
||
else
|
||
enable_grub_mount=no
|
||
fi
|
||
AC_SUBST([enable_grub_mount])
|
||
|
||
AC_ARG_ENABLE([device-mapper],
|
||
[AS_HELP_STRING([--enable-device-mapper],
|
||
[enable Linux device-mapper support (default=guessed)])])
|
||
if test x"$enable_device_mapper" = xno ; then
|
||
device_mapper_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$device_mapper_excuse" = x ; then
|
||
# Check for device-mapper header.
|
||
AC_CHECK_HEADER([libdevmapper.h], [],
|
||
[device_mapper_excuse="need libdevmapper header"])
|
||
fi
|
||
|
||
if test x"$device_mapper_excuse" = x ; then
|
||
# Check for device-mapper library.
|
||
AC_CHECK_LIB([devmapper], [dm_task_create], [],
|
||
[device_mapper_excuse="need devmapper library"])
|
||
fi
|
||
|
||
if test x"$device_mapper_excuse" = x ; then
|
||
# Check for device-mapper library.
|
||
AC_CHECK_LIB([devmapper], [dm_log_with_errno_init],
|
||
[],
|
||
[device_mapper_excuse="need devmapper library"])
|
||
fi
|
||
|
||
if test x"$device_mapper_excuse" = x ; then
|
||
LIBDEVMAPPER="-ldevmapper"
|
||
AC_DEFINE([HAVE_DEVICE_MAPPER], [1],
|
||
[Define to 1 if you have the devmapper library.])
|
||
fi
|
||
|
||
AC_SUBST([LIBDEVMAPPER])
|
||
|
||
LIBGEOM=
|
||
if test x$host_kernel = xkfreebsd; then
|
||
AC_CHECK_LIB([geom], [geom_gettree], [],
|
||
[AC_MSG_ERROR([Your platform requires libgeom])])
|
||
LIBGEOM="-lgeom"
|
||
fi
|
||
|
||
AC_SUBST([LIBGEOM])
|
||
|
||
AC_ARG_ENABLE([liblzma],
|
||
[AS_HELP_STRING([--enable-liblzma],
|
||
[enable liblzma integration (default=guessed)])])
|
||
if test x"$enable_liblzma" = xno ; then
|
||
liblzma_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$liblzma_excuse" = x ; then
|
||
AC_CHECK_LIB([lzma], [lzma_code],
|
||
[],[liblzma_excuse="need lzma library"])
|
||
fi
|
||
if test x"$liblzma_excuse" = x ; then
|
||
AC_CHECK_HEADER([lzma.h], [], [liblzma_excuse="need lzma header"])
|
||
fi
|
||
|
||
if test x"$enable_liblzma" = xyes && test x"$liblzma_excuse" != x ; then
|
||
AC_MSG_ERROR([liblzma support was explicitly requested but requirements are not satisfied ($liblzma_excuse)])
|
||
fi
|
||
|
||
|
||
if test x"$liblzma_excuse" = x ; then
|
||
LIBLZMA="-llzma"
|
||
AC_DEFINE([USE_LIBLZMA], [1],
|
||
[Define to 1 if you have the LZMA library.])
|
||
fi
|
||
|
||
AC_SUBST([LIBLZMA])
|
||
|
||
AC_ARG_ENABLE([libzfs],
|
||
[AS_HELP_STRING([--enable-libzfs],
|
||
[enable libzfs integration (default=guessed)])])
|
||
if test x"$enable_libzfs" = xno ; then
|
||
libzfs_excuse="explicitly disabled"
|
||
fi
|
||
|
||
if test x"$libzfs_excuse" = x ; then
|
||
# Only check for system headers if libzfs support has not been disabled.
|
||
AC_CHECK_HEADERS(libzfs.h libnvpair.h)
|
||
fi
|
||
|
||
if test x"$libzfs_excuse" = x ; then
|
||
AC_CHECK_LIB([zfs], [libzfs_init],
|
||
[],
|
||
[libzfs_excuse="need zfs library"])
|
||
fi
|
||
|
||
if test x"$libzfs_excuse" = x ; then
|
||
AC_CHECK_LIB([nvpair], [nvlist_lookup_string],
|
||
[],
|
||
[libzfs_excuse="need nvpair library"])
|
||
fi
|
||
|
||
if test x"$enable_libzfs" = xyes && test x"$libzfs_excuse" != x ; then
|
||
AC_MSG_ERROR([libzfs support was explicitly requested but requirements are not satisfied ($libzfs_excuse)])
|
||
fi
|
||
|
||
if test x"$libzfs_excuse" = x ; then
|
||
# We need both libzfs and libnvpair for a successful build.
|
||
LIBZFS="-lzfs"
|
||
AC_DEFINE([HAVE_LIBZFS], [1],
|
||
[Define to 1 if you have the ZFS library.])
|
||
LIBNVPAIR="-lnvpair"
|
||
AC_DEFINE([HAVE_LIBNVPAIR], [1],
|
||
[Define to 1 if you have the NVPAIR library.])
|
||
fi
|
||
|
||
AC_SUBST([LIBZFS])
|
||
AC_SUBST([LIBNVPAIR])
|
||
|
||
LIBS=""
|
||
|
||
AC_SUBST([FONT_SOURCE])
|
||
AS_IF([test x$target_cpu = xi386 -a x$platform = xqemu],
|
||
[AC_SUBST([GRUB_BOOT_MACHINE_LINK_ADDR], 0xffe00)])
|
||
|
||
AC_SUBST(HAVE_ASM_USCORE)
|
||
AC_SUBST(BSS_START_SYMBOL)
|
||
AC_SUBST(END_SYMBOL)
|
||
AC_SUBST(PACKAGE)
|
||
AC_SUBST(VERSION)
|
||
|
||
AC_ARG_ENABLE([werror],
|
||
[AS_HELP_STRING([--disable-werror],
|
||
[do not use -Werror when building GRUB])])
|
||
if test x"$enable_werror" != xno ; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Werror"
|
||
HOST_CFLAGS="$HOST_CFLAGS -Werror"
|
||
if test "x$grub_cv_cc_target_clang" = xyes; then
|
||
TARGET_CFLAGS="$TARGET_CFLAGS -Wno-error=vla"
|
||
HOST_CFLAGS="$HOST_CFLAGS -Wno-error=vla"
|
||
fi
|
||
fi
|
||
|
||
TARGET_CPP="$TARGET_CC -E"
|
||
TARGET_CCAS=$TARGET_CC
|
||
|
||
# Includes which include make-time substitutions. They must come last
|
||
# as to avoid executing top_builddir in shell.
|
||
HOST_CPPFLAGS="$HOST_CPPFLAGS -I\$(top_builddir)/include"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_srcdir)/include"
|
||
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_builddir)/include"
|
||
|
||
GRUB_TARGET_CPU="${target_cpu}"
|
||
GRUB_PLATFORM="${platform}"
|
||
|
||
AC_SUBST(GRUB_TARGET_CPU)
|
||
AC_SUBST(GRUB_PLATFORM)
|
||
|
||
AC_SUBST(TARGET_OBJCONV)
|
||
AC_SUBST(TARGET_CPP)
|
||
AC_SUBST(TARGET_CCAS)
|
||
AC_SUBST(TARGET_OBJ2ELF)
|
||
AC_SUBST(TARGET_MODULE_FORMAT)
|
||
AC_SUBST(TARGET_CC_VERSION)
|
||
|
||
AC_SUBST(TARGET_CFLAGS)
|
||
AC_SUBST(TARGET_LDFLAGS)
|
||
AC_SUBST(TARGET_CPPFLAGS)
|
||
AC_SUBST(TARGET_CCASFLAGS)
|
||
|
||
AC_SUBST(TARGET_IMG_LDFLAGS)
|
||
AC_SUBST(TARGET_IMG_CFLAGS)
|
||
AC_SUBST(TARGET_IMG_BASE_LDOPT)
|
||
AC_SUBST(TARGET_APPLE_LINKER)
|
||
|
||
AC_SUBST(HOST_CFLAGS)
|
||
AC_SUBST(HOST_LDFLAGS)
|
||
AC_SUBST(HOST_CPPFLAGS)
|
||
AC_SUBST(HOST_CCASFLAGS)
|
||
|
||
AC_SUBST(BUILD_LIBM)
|
||
|
||
#
|
||
# Automake conditionals
|
||
#
|
||
|
||
AM_CONDITIONAL([COND_real_platform], [test x$platform != xnone])
|
||
AM_CONDITIONAL([COND_emu], [test x$platform = xemu])
|
||
AM_CONDITIONAL([COND_arm], [test x$target_cpu = xarm ])
|
||
AM_CONDITIONAL([COND_arm_uboot], [test x$target_cpu = xarm -a x$platform = xuboot])
|
||
AM_CONDITIONAL([COND_arm_coreboot], [test x$target_cpu = xarm -a x$platform = xcoreboot])
|
||
AM_CONDITIONAL([COND_arm_efi], [test x$target_cpu = xarm -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_arm64], [test x$target_cpu = xarm64 ])
|
||
AM_CONDITIONAL([COND_arm64_efi], [test x$target_cpu = xarm64 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_ia64_efi], [test x$target_cpu = xia64 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_i386_pc], [test x$target_cpu = xi386 -a x$platform = xpc])
|
||
AM_CONDITIONAL([COND_i386_efi], [test x$target_cpu = xi386 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_i386_qemu], [test x$target_cpu = xi386 -a x$platform = xqemu])
|
||
AM_CONDITIONAL([COND_i386_ieee1275], [test x$target_cpu = xi386 -a x$platform = xieee1275])
|
||
AM_CONDITIONAL([COND_i386_coreboot], [test x$target_cpu = xi386 -a x$platform = xcoreboot])
|
||
AM_CONDITIONAL([COND_i386_multiboot], [test x$target_cpu = xi386 -a x$platform = xmultiboot])
|
||
AM_CONDITIONAL([COND_i386_xen], [test x$target_cpu = xi386 -a x$platform = xxen])
|
||
AM_CONDITIONAL([COND_i386_xen_pvh], [test x$target_cpu = xi386 -a x$platform = xxen_pvh])
|
||
AM_CONDITIONAL([COND_loongarch64], [test x$target_cpu = xloongarch64])
|
||
AM_CONDITIONAL([COND_loongarch64_efi], [test x$target_cpu = xloongarch64 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_mips], [test x$target_cpu = xmips -o x$target_cpu = xmipsel])
|
||
AM_CONDITIONAL([COND_mips_arc], [test "(" x$target_cpu = xmips -o x$target_cpu = xmipsel ")" -a x$platform = xarc])
|
||
AM_CONDITIONAL([COND_mips_loongson], [test x$target_cpu = xmipsel -a x$platform = xloongson])
|
||
AM_CONDITIONAL([COND_mips_qemu_mips], [test "(" x$target_cpu = xmips -o x$target_cpu = xmipsel ")" -a x$platform = xqemu_mips])
|
||
AM_CONDITIONAL([COND_mipsel], [test x$target_cpu = xmipsel])
|
||
AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips])
|
||
AM_CONDITIONAL([COND_powerpc_ieee1275], [test x$target_cpu = xpowerpc -a x$platform = xieee1275])
|
||
AM_CONDITIONAL([COND_riscv32], [test x$target_cpu = xriscv32 ])
|
||
AM_CONDITIONAL([COND_riscv64], [test x$target_cpu = xriscv64 ])
|
||
AM_CONDITIONAL([COND_riscv32_efi], [test x$target_cpu = xriscv32 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_riscv64_efi], [test x$target_cpu = xriscv64 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_sparc64_ieee1275], [test x$target_cpu = xsparc64 -a x$platform = xieee1275])
|
||
AM_CONDITIONAL([COND_sparc64_emu], [test x$target_cpu = xsparc64 -a x$platform = xemu])
|
||
AM_CONDITIONAL([COND_x86_64_efi], [test x$target_cpu = xx86_64 -a x$platform = xefi])
|
||
AM_CONDITIONAL([COND_x86_64_xen], [test x$target_cpu = xx86_64 -a x$platform = xxen])
|
||
|
||
AM_CONDITIONAL([COND_HOST_HURD], [test x$host_kernel = xhurd])
|
||
AM_CONDITIONAL([COND_HOST_LINUX], [test x$host_kernel = xlinux])
|
||
AM_CONDITIONAL([COND_HOST_NETBSD], [test x$host_kernel = xnetbsd])
|
||
AM_CONDITIONAL([COND_HOST_WINDOWS], [test x$host_kernel = xwindows])
|
||
AM_CONDITIONAL([COND_HOST_KFREEBSD], [test x$host_kernel = xkfreebsd])
|
||
AM_CONDITIONAL([COND_HOST_XNU], [test x$host_kernel = xxnu])
|
||
AM_CONDITIONAL([COND_HOST_ILLUMOS], [test x$host_kernel = xillumos])
|
||
|
||
AM_CONDITIONAL([COND_MAN_PAGES], [test x$cross_compiling = xno -a x$HELP2MAN != x])
|
||
AM_CONDITIONAL([COND_GRUB_EMU_SDL2], [test x$enable_grub_emu_sdl2 = xyes])
|
||
AM_CONDITIONAL([COND_GRUB_EMU_SDL], [test x$enable_grub_emu_sdl = xyes])
|
||
AM_CONDITIONAL([COND_GRUB_EMU_PCI], [test x$enable_grub_emu_pci = xyes])
|
||
AM_CONDITIONAL([COND_GRUB_MKFONT], [test x$enable_grub_mkfont = xyes])
|
||
AM_CONDITIONAL([COND_GRUB_MOUNT], [test x$enable_grub_mount = xyes])
|
||
AM_CONDITIONAL([COND_HAVE_FONT_SOURCE], [test x$FONT_SOURCE != x])
|
||
if test x$FONT_SOURCE != x ; then
|
||
HAVE_FONT_SOURCE=1
|
||
else
|
||
HAVE_FONT_SOURCE=0
|
||
fi
|
||
AC_SUBST(HAVE_FONT_SOURCE)
|
||
AM_CONDITIONAL([COND_APPLE_LINKER], [test x$TARGET_APPLE_LINKER = x1])
|
||
AM_CONDITIONAL([COND_ENABLE_EFIEMU], [test x$enable_efiemu = xyes])
|
||
AM_CONDITIONAL([COND_ENABLE_CACHE_STATS], [test x$DISK_CACHE_STATS = x1])
|
||
AM_CONDITIONAL([COND_ENABLE_BOOT_TIME_STATS], [test x$BOOT_TIME_STATS = x1])
|
||
|
||
AM_CONDITIONAL([COND_HAVE_CXX], [test x$HAVE_CXX = xyes])
|
||
|
||
AM_CONDITIONAL([COND_HAVE_ASM_USCORE], [test x$HAVE_ASM_USCORE = x1])
|
||
AM_CONDITIONAL([COND_STARFIELD], [test "x$starfield_excuse" = x])
|
||
AM_CONDITIONAL([COND_HAVE_EXEC], [test "x$have_exec" = xy])
|
||
AM_CONDITIONAL([COND_HAVE_PCI], [test "x$have_pci" = xy])
|
||
|
||
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
|
||
test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
|
||
datarootdir="$(eval echo "$datarootdir")"
|
||
grub_libdir="$(eval echo "$libdir")"
|
||
grub_localedir="$(eval echo "$localedir")"
|
||
grub_datadir="$(eval echo "$datadir")"
|
||
grub_sysconfdir="$(eval echo "$sysconfdir")"
|
||
AC_DEFINE_UNQUOTED(LOCALEDIR, "$grub_localedir", [Locale dir])
|
||
AC_DEFINE_UNQUOTED(GRUB_LIBDIR, "$grub_libdir", [Library dir])
|
||
AC_DEFINE_UNQUOTED(GRUB_DATADIR, "$grub_datadir", [Data dir])
|
||
AC_DEFINE_UNQUOTED(GRUB_SYSCONFDIR, "$grub_sysconfdir", [Configuration dir])
|
||
|
||
|
||
# Output files.
|
||
if test "$platform" != none; then
|
||
cpudir="${target_cpu}"
|
||
if test x${cpudir} = xmipsel; then
|
||
cpudir=mips;
|
||
fi
|
||
grub_CHECK_LINK_DIR
|
||
if test x"$link_dir" = xyes ; then
|
||
AC_CONFIG_LINKS([include/grub/cpu:include/grub/$cpudir])
|
||
if test "$platform" != emu ; then
|
||
AC_CONFIG_LINKS([include/grub/machine:include/grub/$cpudir/$platform])
|
||
fi
|
||
else
|
||
mkdir -p include/grub 2>/dev/null
|
||
rm -rf include/grub/cpu
|
||
cp -rp $srcdir/include/grub/$cpudir include/grub/cpu 2>/dev/null
|
||
if test "$platform" != emu ; then
|
||
rm -rf include/grub/machine
|
||
cp -rp $srcdir/include/grub/$cpudir/$platform include/grub/machine 2>/dev/null
|
||
fi
|
||
fi
|
||
else
|
||
# Just enough to stop the compiler failing with -I$(srcdir)/include.
|
||
mkdir -p include 2>/dev/null
|
||
rm -rf include/grub/cpu include/grub/machine
|
||
fi
|
||
|
||
AC_CONFIG_FILES([Makefile])
|
||
AC_CONFIG_FILES([grub-core/Makefile])
|
||
AC_CONFIG_FILES([grub-core/lib/gnulib/Makefile])
|
||
AC_CONFIG_FILES([po/Makefile.in])
|
||
AC_CONFIG_FILES([docs/Makefile])
|
||
AC_CONFIG_FILES([util/bash-completion.d/Makefile])
|
||
AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
|
||
AC_CONFIG_FILES([config.h])
|
||
|
||
AC_OUTPUT
|
||
[
|
||
echo "*******************************************************"
|
||
echo GRUB2 will be compiled with following components:
|
||
echo Platform: "$target_cpu"-"$platform"
|
||
if [ x"$platform" = xemu ]; then
|
||
if [ x"$grub_emu_sdl2_excuse" = x ]; then
|
||
echo SDL2 support for grub-emu: Yes
|
||
else
|
||
echo SDL2 support for grub-emu: No "($grub_emu_sdl2_excuse)"
|
||
fi
|
||
if [ x"$grub_emu_sdl_excuse" = x ]; then
|
||
echo SDL support for grub-emu: Yes
|
||
else
|
||
echo SDL support for grub-emu: No "($grub_emu_sdl_excuse)"
|
||
fi
|
||
if [ x"$grub_emu_pci_excuse" = x ]; then
|
||
echo PCI support for grub-emu: Yes
|
||
else
|
||
echo PCI support for grub-emu: No "($grub_emu_pci_excuse)"
|
||
fi
|
||
fi
|
||
if test x"$device_mapper_excuse" = x ; then
|
||
echo With devmapper support: Yes
|
||
else
|
||
echo With devmapper support: No "($device_mapper_excuse)"
|
||
fi
|
||
if [ x"$enable_mm_debug" = xyes ]; then
|
||
echo With memory debugging: Yes
|
||
else
|
||
echo With memory debugging: No
|
||
fi
|
||
if [ x"$enable_cache_stats" = xyes ]; then
|
||
echo With disk cache statistics: Yes
|
||
else
|
||
echo With disk cache statistics: No
|
||
fi
|
||
|
||
if [ x"$enable_boot_time" = xyes ]; then
|
||
echo With boot time statistics: Yes
|
||
else
|
||
echo With boot time statistics: No
|
||
fi
|
||
|
||
if [ x"$efiemu_excuse" = x ]; then
|
||
echo efiemu runtime: Yes
|
||
else
|
||
echo efiemu runtime: No "($efiemu_excuse)"
|
||
fi
|
||
if [ x"$grub_mkfont_excuse" = x ]; then
|
||
echo grub-mkfont: Yes
|
||
else
|
||
echo grub-mkfont: No "($grub_mkfont_excuse)"
|
||
fi
|
||
if [ x"$grub_mount_excuse" = x ]; then
|
||
echo grub-mount: Yes
|
||
else
|
||
echo grub-mount: No "($grub_mount_excuse)"
|
||
fi
|
||
if [ x"$starfield_excuse" = x ]; then
|
||
echo starfield theme: Yes
|
||
echo With DejaVuSans font from $DJVU_FONT_SOURCE
|
||
else
|
||
echo starfield theme: No "($starfield_excuse)"
|
||
fi
|
||
if [ x"$libzfs_excuse" = x ]; then
|
||
echo With libzfs support: Yes
|
||
else
|
||
echo With libzfs support: No "($libzfs_excuse)"
|
||
fi
|
||
if [ x"$grub_build_mkfont_excuse" = x ]; then
|
||
echo Build-time grub-mkfont: Yes
|
||
if test "x$FONT_SOURCE" = x ; then
|
||
echo "Without unifont"
|
||
else
|
||
echo "With unifont from $FONT_SOURCE"
|
||
fi
|
||
else
|
||
echo Build-time grub-mkfont: No "($grub_build_mkfont_excuse)"
|
||
echo "Without unifont (no build-time grub-mkfont)"
|
||
fi
|
||
if test x"$liblzma_excuse" != x ; then
|
||
echo "Without liblzma (no support for XZ-compressed mips images) ($liblzma_excuse)"
|
||
else
|
||
echo "With liblzma from $LIBLZMA (support for XZ-compressed mips images)"
|
||
fi
|
||
if test "x$enable_stack_protector" != xno; then
|
||
echo "With stack smashing protector: Yes"
|
||
else
|
||
echo "With stack smashing protector: No"
|
||
fi
|
||
echo "*******************************************************"
|
||
]
|