diff options
Diffstat (limited to 'mesonbuild/compilers/mixins/gnu.py')
| -rw-r--r-- | mesonbuild/compilers/mixins/gnu.py | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/mesonbuild/compilers/mixins/gnu.py b/mesonbuild/compilers/mixins/gnu.py index 95bcd7c..464c664 100644 --- a/mesonbuild/compilers/mixins/gnu.py +++ b/mesonbuild/compilers/mixins/gnu.py @@ -17,6 +17,7 @@ import abc import functools import os +import multiprocessing import pathlib import re import subprocess @@ -281,7 +282,9 @@ class GnuLikeCompiler(Compiler, metaclass=abc.ABCMeta): return self._split_fetch_real_dirs(line.split('=', 1)[1]) return [] - def get_lto_compile_args(self) -> T.List[str]: + def get_lto_compile_args(self, *, threads: int = 0, mode: str = 'default') -> T.List[str]: + # This provides a base for many compilers, GCC and Clang override this + # for their specific arguments return ['-flto'] def sanitizer_compile_args(self, value: str) -> T.List[str]: @@ -330,7 +333,7 @@ class GnuCompiler(GnuLikeCompiler): super().__init__() self.id = 'gcc' self.defines = defines or {} - self.base_options.add(OptionKey('b_colorout')) + self.base_options.update({OptionKey('b_colorout'), OptionKey('b_lto_threads')}) def get_colorout_args(self, colortype: str) -> T.List[str]: if mesonlib.version_compare(self.version, '>=4.9.0'): @@ -383,3 +386,13 @@ class GnuCompiler(GnuLikeCompiler): def get_prelink_args(self, prelink_name: str, obj_list: T.List[str]) -> T.List[str]: return ['-r', '-o', prelink_name] + obj_list + + def get_lto_compile_args(self, *, threads: int = 0, mode: str = 'default') -> T.List[str]: + if threads == 0: + if mesonlib.version_compare(self.version, '>= 10.0'): + return ['-flto=auto'] + # This matches clang's behavior of using the number of cpus + return [f'-flto={multiprocessing.cpu_count()}'] + elif threads > 0: + return [f'-flto={threads}'] + return super().get_lto_compile_args(threads=threads) |