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meson: Test correct efi linker for supported args

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Fixes: #24241
(cherry picked from commit 6a941db798e3c5d896f6732afb4e6e482d708900)
Closes https://github.com/systemd/systemd-stable/issues/216
(cherry picked from commit b3dd66f32beb1e2daea31c73ce4c3b4c4ad844fb)
This commit is contained in:
Jan Janssen 2022-08-09 10:32:41 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent 3733943f5a
commit 658013a7f7
1 changed files with 13 additions and 5 deletions
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18
src/boot/efi/meson.build
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@ -247,11 +247,19 @@ efi_ldflags = [
efi_crt0,
]
possible_link_flags = [
'-Wl,--no-warn-execstack',
'-Wl,--no-warn-rwx-segments',
]
efi_ldflags += cc.get_supported_link_arguments(possible_link_flags)
foreach arg : ['-Wl,--no-warn-execstack',
'-Wl,--no-warn-rwx-segments']
# We need to check the correct linker for supported args. This is what
# cc.has_multi_link_arguments() is for, but it helpfully overrides our
# choice of linker by putting its own -fuse-ld= arg after ours.
if run_command('bash', '-c',
'exec "$@" -x c -o/dev/null <(echo "int main(void){return 0;}")' +
' -fuse-ld=' + efi_ld + ' -Wl,--fatal-warnings ' + arg,
'bash', cc.cmd_array(),
check : false).returncode() == 0
efi_ldflags += arg
endif
endforeach
if efi_arch[1] in ['aarch64', 'arm', 'riscv64']
efi_ldflags += ['-shared']