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configure: Print a more helpful error if autoconf-archive is not installed

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... because an undefined macro receives another macro as parameter and
autoconf is not smart enough to produce a useful error message.

Signed-off-by: Radoslav Kolev <radoslav.kolev@suse.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Radoslav Kolev 2026-01-13 10:04:22 +02:00 committed by Daniel Kiper
parent e37d021583
commit ac042f3f58
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -1792,6 +1792,11 @@ LIBS=""
# Defined in acinclude.m4. # Defined in acinclude.m4.
grub_ASM_USCORE grub_ASM_USCORE
grub_PROG_TARGET_CC grub_PROG_TARGET_CC
# The error message produced by autoconf if autoconf-archive is not installed is
# quite misleading and not very helpful. So, try point people in the right direction.
m4_ifndef([AX_CHECK_LINK_FLAG], [m4_fatal([autoconf-archive is missing. You must install it to generate the configure script.])])
if test "x$TARGET_APPLE_LINKER" != x1 ; then if test "x$TARGET_APPLE_LINKER" != x1 ; then
AX_CHECK_LINK_FLAG([-Wl,--image-base,0x400000], AX_CHECK_LINK_FLAG([-Wl,--image-base,0x400000],
[TARGET_IMG_BASE_LDOPT="-Wl,--image-base"], [TARGET_IMG_BASE_LDOPT="-Wl,--image-base"],