Add has_link_argument() and friends

Closes: #3335.

1 files changed, 43 insertions, 0 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 1c71409..b38295f 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -741,6 +741,10 @@ class CompilerHolder(InterpreterObject):
                              'has_multi_arguments': self.has_multi_arguments_method,
                              'get_supported_arguments': self.get_supported_arguments_method,
                              'first_supported_argument': self.first_supported_argument_method,
+                             'has_link_argument': self.has_link_argument_method,
+                             'has_multi_link_arguments': self.has_multi_link_arguments_method,
+                             'get_supported_link_arguments': self.get_supported_link_arguments_method,
+                             'first_supported_link_argument': self.first_supported_link_argument_method,
                              'unittest_args': self.unittest_args_method,
                              'symbols_have_underscore_prefix': self.symbols_have_underscore_prefix_method,
                              })
@@ -1218,6 +1222,45 @@ class CompilerHolder(InterpreterObject):
         mlog.log('First supported argument:', mlog.red('None'))
         return []
 
+    @permittedMethodKwargs({})
+    def has_link_argument_method(self, args, kwargs):
+        args = mesonlib.stringlistify(args)
+        if len(args) != 1:
+            raise InterpreterException('has_link_argument takes exactly one argument.')
+        return self.has_multi_link_arguments_method(args, kwargs)
+
+    @permittedMethodKwargs({})
+    def has_multi_link_arguments_method(self, args, kwargs):
+        args = mesonlib.stringlistify(args)
+        result = self.compiler.has_multi_link_arguments(args, self.environment)
+        if result:
+            h = mlog.green('YES')
+        else:
+            h = mlog.red('NO')
+        mlog.log(
+            'Compiler for {} supports link arguments {}:'.format(
+                self.compiler.get_display_language(), ' '.join(args)),
+            h)
+        return result
+
+    @permittedMethodKwargs({})
+    def get_supported_link_arguments_method(self, args, kwargs):
+        args = mesonlib.stringlistify(args)
+        supported_args = []
+        for arg in args:
+            if self.has_link_argument_method(arg, kwargs):
+                supported_args.append(arg)
+        return supported_args
+
+    @permittedMethodKwargs({})
+    def first_supported_link_argument_method(self, args, kwargs):
+        for i in mesonlib.stringlistify(args):
+            if self.has_link_argument_method(i, kwargs):
+                mlog.log('First supported link argument:', mlog.bold(i))
+                return [i]
+        mlog.log('First supported link argument:', mlog.red('None'))
+        return []
+
 ModuleState = namedtuple('ModuleState', [
     'build_to_src', 'subproject', 'subdir', 'current_lineno', 'environment',
     'project_name', 'project_version', 'backend', 'compilers', 'targets',