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meson: Stop detecting -Wl,--version-script=

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With its version 16.0, the LLVM's linker turned on
--no-undefined-version by default [1]. This breaks how we detect
--version-script= detection, because at the compile time there's
no library built yet that we can use to make --version-script=
happy. Unfortunately, meson does not provide a way to detect this
either [2].

But there's not much sense in detecting the argument either. We
already special case some systems (windows, darwin) and do the
check for others, which are expected to support versioned
symbols, because of ELF. Worst case scenario - the error is
reported during compile time rather than configure time.

1: https://reviews.llvm.org/D135402
2: https://github.com/mesonbuild/meson/issues/3047

Resolves: https://bugs.gentoo.org/902211
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Michal Privoznik 2023-03-20 13:38:27 +01:00
parent 4be3ba0226
commit 743fdb97c8
1 changed files with 1 additions and 6 deletions
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5
meson.build
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@ -534,12 +534,7 @@ elif host_machine.system() == 'darwin'
# macOS libraries don't support symbol versioning
version_script_flags = ''
else
test_file = '@0@/src/libvirt_qemu.syms'.format(meson.project_source_root())
if cc.has_link_argument('-Wl,--version-script=@0@'.format(test_file))
version_script_flags = '-Wl,--version-script='
else
error('No supported version script link argument found.')
endif
endif
libvirt_flat_namespace = []