Date: Fri, 10 Jan 2025 11:19:45 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Peter Blok <pblok@bsd4all.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: libxkbcommon version-script detection Message-ID: <1DCB46A8-04C7-4F1A-ADEE-A5402E4B5617@FreeBSD.org> In-Reply-To: <518E81E7-F1F0-422C-88A0-718088E4FDB6@bsd4all.org>
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On 10 Jan 2025, at 10:22, Peter Blok <pblok@bsd4all.org> wrote: > > I have recompiled x11/libxkbcommon and it fails to detect if the compiler/linker supports versioned symbols. As a result other code expecting the versioned symbol to exist, fail to link. > > C compiler for the host machine: cc (clang 19.1.5 "FreeBSD clang version 19.1.5 (https://github.com/llvm/llvm-project.git llvmorg-19.1.5-0-gab4b5a2db582)") > C linker for the host machine: cc ld.lld 19.1.5 > > Below the meson.build check. If I force have_version_script to true, the versioned symbols are created and other code links fine. > > # Supports -Wl,--version-script? > have_version_script = cc.links( > 'int main(){}', > args: '-Wl,--undefined-version,--version-script=' + meson.current_source_dir()/'xkbcommon.map', > name: '-Wl,--version-script', > ) > > Below the output for the test. > > Checking if "-Wl,--version-script" : links: NO > > If I create test.c with content "int main(){}” and compile it manually with the same flags AFAIK, it compiles ok. No errors. > > However when I capture "make configure" with ktrace, it fails with the error below. > > ld: error: non-exported symbol 'environ' in '/usr/lib/crt1.o' is referenced by DSO '/lib/libc.so.7' > ld: error: non-exported symbol '__progname' in '/usr/lib/crt1.o' is referenced by DSO '/lib/libc.so.7' > cc: error: linker command failed with exit code 1 (use -v to see invocation) > > What flags need to be added in meson.build to allow it to work? > > BTW This is on recent stable, but I suspect it fails the same way on current which I do not run at the moment. It works just fine on -CURRENT: ... Checking if "-Wl,--version-script" : links: YES Not sure what is going wrong in your environment. Is this stable/14? -Dimitryhelp
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