sync.stdatomic: add GCC 15/16 libatomic paths for TCC on Linux #28044
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| import os | ||
| import rand | ||
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| const vexe = @VEXE | ||
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| const stdatomic_program = ' | ||
| module main | ||
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| import sync.stdatomic | ||
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| fn main() { | ||
| mut a := stdatomic.new_atomic(i64(0)) | ||
| a.store(1) | ||
| println(a.load()) | ||
| assert a.compare_and_swap(1, 2) | ||
| println(a.load()) | ||
| println(a.add(3)) | ||
| println(a.load()) | ||
| } | ||
| ' | ||
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| // This is a regression test for https://github.com/vlang/v/issues/28027 (and similar reports), | ||
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| // where TCC failed to link sync.stdatomic programs on Linux/amd64 systems with newer GCC | ||
| // versions (e.g. GCC 15/16 on Arch Linux). | ||
| fn test_tcc_can_link_sync_stdatomic_programs_on_linux() { | ||
| $if !(linux && (amd64 || arm64)) { | ||
| return | ||
| } | ||
| workdir := os.join_path(os.vtmp_dir(), 'v_stdatomic_tcc_libatomic_${rand.ulid()}') | ||
| os.mkdir_all(workdir) or { panic(err) } | ||
| defer { | ||
| os.rmdir_all(workdir) or {} | ||
| } | ||
| vcache := os.join_path(workdir, 'vcache') | ||
| os.mkdir_all(vcache) or { panic(err) } | ||
| src := os.join_path(workdir, 'main.v') | ||
| out := os.join_path(workdir, 'main') | ||
| os.write_file(src, stdatomic_program) or { panic(err) } | ||
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| compile_cmd := 'env VCACHE=${os.quoted_path(vcache)} ${os.quoted_path(vexe)} -nocache -cc tcc -no-retry-compilation -showcc -o ${os.quoted_path(out)} ${os.quoted_path(src)}' | ||
| compile_res := os.execute(compile_cmd) | ||
| if compile_res.exit_code != 0 { | ||
| panic('tcc compilation of a sync.stdatomic program failed (fallback to another compiler is disabled):\ncmd: ${compile_cmd}\noutput:\n${compile_res.output}') | ||
| } | ||
| assert !compile_res.output.contains('falling back to cc') | ||
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| run_res := os.execute(os.quoted_path(out)) | ||
| assert run_res.exit_code == 0 | ||
| assert run_res.output.trim_space() == '1\n2\n2\n5' | ||
| } | ||
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Please add/restore the Debian/Ubuntu amd64 candidates here as well:
/usr/lib/gcc/x86_64-linux-gnu/{6..16}/libatomic.a. GCC installslibatomic.aunder this target triple on Debian-family x86_64 systems, and this block currently has no matching entry (unlike the arm64 block). Without those paths, the same__atomic_*_8link failure remains on Debian/Ubuntu systems using GCC 15/16.There was a problem hiding this comment.
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Alr, sent a new commit / done.