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author | Tatsuyuki Ishi <ishitatsuyuki@gmail.com> | 2022-06-11 00:50:28 +0900 |
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committer | Eli Schwartz <eschwartz93@gmail.com> | 2022-10-13 04:18:13 -0400 |
commit | a0032480d6707cdfda75987178a7c8ec0c33cbe9 (patch) | |
tree | c25e0ded82c61c7529fa00f771159417c22379ae /mesonbuild | |
parent | c693d0576b5a959693f4bf8bb506beb0cc759f63 (diff) | |
download | meson-a0032480d6707cdfda75987178a7c8ec0c33cbe9.zip meson-a0032480d6707cdfda75987178a7c8ec0c33cbe9.tar.gz meson-a0032480d6707cdfda75987178a7c8ec0c33cbe9.tar.bz2 |
clang: Support ThinLTO with mold
Diffstat (limited to 'mesonbuild')
-rw-r--r-- | mesonbuild/compilers/mixins/clang.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/mesonbuild/compilers/mixins/clang.py b/mesonbuild/compilers/mixins/clang.py index 4ac9b92..f9b66d5 100644 --- a/mesonbuild/compilers/mixins/clang.py +++ b/mesonbuild/compilers/mixins/clang.py @@ -19,7 +19,8 @@ import shutil import typing as T from ... import mesonlib -from ...linkers import AppleDynamicLinker, ClangClDynamicLinker, LLVMDynamicLinker, GnuGoldDynamicLinker +from ...linkers import AppleDynamicLinker, ClangClDynamicLinker, LLVMDynamicLinker, GnuGoldDynamicLinker, \ + MoldDynamicLinker from ...mesonlib import OptionKey from ..compilers import CompileCheckMode from .gnu import GnuLikeCompiler @@ -149,9 +150,13 @@ class ClangCompiler(GnuLikeCompiler): def get_lto_compile_args(self, *, threads: int = 0, mode: str = 'default') -> T.List[str]: args: T.List[str] = [] if mode == 'thin': - # Thin LTO requires the use of gold, lld, ld64, or lld-link - if not isinstance(self.linker, (AppleDynamicLinker, ClangClDynamicLinker, LLVMDynamicLinker, GnuGoldDynamicLinker)): - raise mesonlib.MesonException(f"LLVM's thinLTO only works with gnu gold, lld, lld-link, and ld64, not {self.linker.id}") + # ThinLTO requires the use of gold, lld, ld64, lld-link or mold 1.1+ + if isinstance(self.linker, (MoldDynamicLinker)): + # https://github.com/rui314/mold/commit/46995bcfc3e3113133620bf16445c5f13cd76a18 + if not mesonlib.version_compare(self.linker.version, '>=1.1'): + raise mesonlib.MesonException("LLVM's ThinLTO requires mold 1.1+") + elif not isinstance(self.linker, (AppleDynamicLinker, ClangClDynamicLinker, LLVMDynamicLinker, GnuGoldDynamicLinker)): + raise mesonlib.MesonException(f"LLVM's ThinLTO only works with gold, lld, lld-link, ld64 or mold, not {self.linker.id}") args.append(f'-flto={mode}') else: assert mode == 'default', 'someone forgot to wire something up' |