1b3d97bdf8
Introduce ERROR_PLATFORM_NOT_SUPPORT_SSP environment variable to treat
the "--enable-stack-protector is only supported on EFI platforms" message
as a warning instead of an error. If ERROR_PLATFORM_NOT_SUPPORT_SSP is
set to "no" (case-insensitive), then the message will be printed as
a warning. Otherwise, it prints as an error. The default behavior is to
print the message as an error.
For any wrapper build script that has some variation of:
for p in SELECTED_GRUB_PLATFORMS; do \
configure --enable-stack-protector \
--with-platform${P} ... || die; \
done
make
The GRUB will fail to build if SELECTED_GRUB_PLATFORMS contains a platform
that does not support SSP.
Such wrapper scripts need to work-around this issue by modifying the
above for-loop, so it conditionally passes --enable-stack-protector to
configure for the proper GRUB platform(s).
However, if the above example is modified to have to conditionally pass
in --enable-stack-protector, its behavior is effectively the same as the
proposed change. Additionally, The list of SSP supported platforms is
now in 2 places. One in the configure script and one in the build wrapper
script. If the second list is not properly maintained it could mistakenly
disable SSP for a platform that later gained support for it.
Signed-off-by: Nicholas Vinson <nvinson234@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. See the file MAINTAINERS for information about the GRUB maintainers, etc. If you found a security vulnerability in the GRUB please check the SECURITY file to get more information how to properly report this kind of bugs to the maintainers. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'