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meson.build: Allow undefined symbols on FreeBSD

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The linker cannot find environ while linking libutil.
Fix build by allowing undefined symbols

Change-Id: Iba319126284d48454b50db40d3aadf37e0339668
This commit is contained in:
Artemis Tosini 2024-06-07 03:50:31 +00:00
parent 4734ce7831
commit e680b0913a
1 changed files with 7 additions and 0 deletions
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7
meson.build
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@ -167,6 +167,7 @@ message('canonical Nix system name:', host_system)
is_linux = host_machine.system() == 'linux' is_linux = host_machine.system() == 'linux'
is_darwin = host_machine.system() == 'darwin' is_darwin = host_machine.system() == 'darwin'
is_freebsd = host_machine.system() == 'freebsd'
is_x64 = host_machine.cpu_family() == 'x86_64' is_x64 = host_machine.cpu_family() == 'x86_64'
# Per-platform arguments that you should probably pass to shared_module() invocations. # Per-platform arguments that you should probably pass to shared_module() invocations.
@ -462,6 +463,12 @@ if cxx.get_linker_id() in ['ld.bfd', 'ld.gold']
add_project_link_arguments('-Wl,--no-copy-dt-needed-entries', language : 'cpp') add_project_link_arguments('-Wl,--no-copy-dt-needed-entries', language : 'cpp')
endif endif
if is_freebsd
# FreeBSD's `environ` is defined in `crt1.o`, not `libc.so`,
# so the linker thinks it's undefined
add_project_link_arguments('-Wl,-z,undefs', language: 'cpp')
endif
# Generate Chromium tracing files for each compiled file, which enables # Generate Chromium tracing files for each compiled file, which enables
# maintainers/buildtime_report.sh BUILD-DIR to simply work in clang builds. # maintainers/buildtime_report.sh BUILD-DIR to simply work in clang builds.
# #