diff options
| author | fanquake <fanquake@gmail.com> | 2023-11-02 16:53:58 +0000 |
|---|---|---|
| committer | fanquake <fanquake@gmail.com> | 2023-11-02 16:53:58 +0000 |
| commit | ebc7063c80135dd6f3e7b9418e8f4bf217bd8db7 (patch) | |
| tree | 26cc7ac33af197203cad189fc0064b0cf2e8e9a3 /build-aux | |
| parent | 023418a140b05b788b45fcb66bdd4832c08db751 (diff) | |
doc: update docs for CHECK_ATOMIC macro
Clarify that supported versions of GCC are not affected, and that Clang
prior to version 15 still requires the explicit -latomic linking, when
compiling for 32-bit.
Diffstat (limited to 'build-aux')
| -rw-r--r-- | build-aux/m4/l_atomic.m4 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/build-aux/m4/l_atomic.m4 b/build-aux/m4/l_atomic.m4 index 602b57fe43..5e65257d77 100644 --- a/build-aux/m4/l_atomic.m4 +++ b/build-aux/m4/l_atomic.m4 @@ -4,8 +4,10 @@ dnl permitted in any medium without royalty provided the copyright notice dnl and this notice are preserved. This file is offered as-is, without any dnl warranty. -# Some versions of gcc/libstdc++ require linking with -latomic if -# using the C++ atomic library. +# Clang prior to version 15, when building for 32-bit, +# and linking against libstdc++, requires linking with +# -latomic if using the C++ atomic library. +# Can be tested with: clang++ test.cpp -m32 # # Sourced from http://bugs.debian.org/797228 |