diff options
| -rw-r--r-- | mesonbuild/compilers/mixins/clang.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mesonbuild/compilers/mixins/clang.py b/mesonbuild/compilers/mixins/clang.py index 94aa9a2..1391297 100644 --- a/mesonbuild/compilers/mixins/clang.py +++ b/mesonbuild/compilers/mixins/clang.py @@ -156,7 +156,9 @@ class ClangCompiler(GnuLikeCompiler): def get_lto_link_args(self, *, threads: int = 0, mode: str = 'default') -> T.List[str]: args = self.get_lto_compile_args(threads=threads, mode=mode) - # In clang -flto=0 means auto - if threads >= 0: + # In clang -flto-jobs=0 means auto, and is the default if unspecified, just like in meson + if threads > 0: + if not mesonlib.version_compare(self.version, '>=4.0.0'): + raise mesonlib.MesonException('clang support for LTO threads requires clang >=4.0') args.append(f'-flto-jobs={threads}') return args |