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Do not fail EFI build with newer binutils

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Newer binutils versions currently trigger the following warnings due to
a bug in gnu-efi

on arm64:
/usr/bin/ld.bfd: warning: src/boot/efi/systemd-bootaa64.elf has a LOAD segment with RWX permissions

on amd64:
/usr/bin/ld.bfd: warning: /usr/lib/crt0-efi-x86_64.o: missing .note.GNU-stack section implies executable stack

This results in a build failure due to --fatal-warnings.
Work around this issue by suppressing those warnings until gnu-efi has
been fixed.

See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1013341

(cherry picked from commit b0e5bf0451a6bc94e6e7b2a1de668b75c63f38c8)
(cherry picked from commit 8a6f966be404897b5333c218701965ac3b5a0806)
This commit is contained in:
Michael Biebl 2022-06-22 13:11:13 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent a96ef943b4
commit 885e4e531b
1 changed files with 7 additions and 0 deletions
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7
src/boot/efi/meson.build
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@ -240,6 +240,13 @@ efi_ldflags = [
'-z', 'nocombreloc',
efi_crt0,
]
possible_link_flags = [
'-Wl,--no-warn-execstack',
'-Wl,--no-warn-rwx-segments',
]
efi_ldflags += cc.get_supported_link_arguments(possible_link_flags)
if efi_arch[1] in ['aarch64', 'arm', 'riscv64']
efi_ldflags += ['-shared']
# Aarch64, ARM32 and 64bit RISC-V don't have an EFI capable objcopy.