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-rw-r--r--mesonbuild/compilers/compilers.py16
-rw-r--r--mesonbuild/compilers/mixins/clang.py7
-rw-r--r--mesonbuild/compilers/mixins/gnu.py6
-rw-r--r--mesonbuild/compilers/mixins/islinker.py2
4 files changed, 20 insertions, 11 deletions
diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index 0f074bb..6a54622 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -266,7 +266,9 @@ clike_debug_args = {False: [],
True: ['-g']} # type: T.Dict[bool, T.List[str]]
base_options = {'b_pch': coredata.UserBooleanOption('Use precompiled headers', True),
- 'b_lto': coredata.UserBooleanOption('Use link time optimization', False),
+ 'b_lto': coredata.UserComboOption('Use link time optimization',
+ ['false', 'true', 'thin'],
+ 'false'),
'b_sanitize': coredata.UserComboOption('Code sanitizer to use',
['none', 'address', 'thread', 'undefined', 'memory', 'address,undefined'],
'none'),
@@ -307,8 +309,7 @@ def option_enabled(boptions: T.List[str], options: 'OptionDictType',
def get_base_compile_args(options: 'OptionDictType', compiler: 'Compiler') -> T.List[str]:
args = [] # type T.List[str]
try:
- if options['b_lto'].value:
- args.extend(compiler.get_lto_compile_args())
+ args.extend(compiler.get_lto_compile_args(options['b_lto'].value))
except KeyError:
pass
try:
@@ -357,8 +358,7 @@ def get_base_link_args(options: 'OptionDictType', linker: 'Compiler',
is_shared_module: bool) -> T.List[str]:
args = [] # type: T.List[str]
try:
- if options['b_lto'].value:
- args.extend(linker.get_lto_link_args())
+ args.extend(linker.get_lto_link_args(options['b_lto'].value))
except KeyError:
pass
try:
@@ -940,11 +940,11 @@ class Compiler(metaclass=abc.ABCMeta):
ret.append(arg)
return ret
- def get_lto_compile_args(self) -> T.List[str]:
+ def get_lto_compile_args(self, lto_type: str) -> T.List[str]:
return []
- def get_lto_link_args(self) -> T.List[str]:
- return self.linker.get_lto_args()
+ def get_lto_link_args(self, lto_type: str) -> T.List[str]:
+ return self.linker.get_lto_args(lto_type)
def sanitizer_compile_args(self, value: str) -> T.List[str]:
return []
diff --git a/mesonbuild/compilers/mixins/clang.py b/mesonbuild/compilers/mixins/clang.py
index acdb352..773d9dc 100644
--- a/mesonbuild/compilers/mixins/clang.py
+++ b/mesonbuild/compilers/mixins/clang.py
@@ -77,6 +77,13 @@ class ClangCompiler(GnuLikeCompiler):
# so it might change semantics at any time.
return ['-include-pch', os.path.join(pch_dir, self.get_pch_name(header))]
+ def get_lto_compile_args(self, lto_type: str) -> T.List[str]:
+ if lto_type == 'thin':
+ return ['-flto=thin']
+ if lto_type == 'true':
+ return ['-flto']
+ return []
+
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
myargs = [] # type: T.List[str]
if mode is CompileCheckMode.COMPILE:
diff --git a/mesonbuild/compilers/mixins/gnu.py b/mesonbuild/compilers/mixins/gnu.py
index bb1fc66..5771ad8 100644
--- a/mesonbuild/compilers/mixins/gnu.py
+++ b/mesonbuild/compilers/mixins/gnu.py
@@ -295,8 +295,10 @@ 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]:
- return ['-flto']
+ def get_lto_compile_args(self, lto_type: str) -> T.List[str]:
+ if lto_type != 'false':
+ return ['-flto']
+ return []
def sanitizer_compile_args(self, value: str) -> T.List[str]:
if value == 'none':
diff --git a/mesonbuild/compilers/mixins/islinker.py b/mesonbuild/compilers/mixins/islinker.py
index 2445eec..67ac497 100644
--- a/mesonbuild/compilers/mixins/islinker.py
+++ b/mesonbuild/compilers/mixins/islinker.py
@@ -48,7 +48,7 @@ class BasicLinkerIsCompilerMixin(Compiler):
def sanitizer_link_args(self, value: str) -> T.List[str]:
return []
- def get_lto_link_args(self) -> T.List[str]:
+ def get_lto_link_args(self, lto_type: str) -> T.List[str]:
return []
def can_linker_accept_rsp(self) -> bool: