diff options
Diffstat (limited to 'mesonbuild/compilers')
| -rw-r--r-- | mesonbuild/compilers/cpp.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mesonbuild/compilers/cpp.py b/mesonbuild/compilers/cpp.py index 57da4dfae..47087b694 100644 --- a/mesonbuild/compilers/cpp.py +++ b/mesonbuild/compilers/cpp.py @@ -526,11 +526,15 @@ class GnuCPPCompiler(_StdCPPLibMixin, GnuCPPStds, GnuCompiler, CPPCompiler): if self.defines.get(macro) is not None: return [] + # For GCC, we can assume that the libstdc++ version is the same as + # the compiler itself. Anything else isn't supported. if self.language_stdlib_provider(env) == 'stdc++': return ['-D_GLIBCXX_ASSERTIONS=1'] else: # One can use -stdlib=libc++ with GCC, it just (as of 2025) requires - # an experimental configure arg to expose that. + # an experimental configure arg to expose that. libc++ supports "multiple" + # versions of GCC (only ever one version of GCC per libc++ version), but + # that is "multiple" for our purposes as we can't assume a mapping. if version_compare(self.version, '>=18'): return ['-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST'] |