Add a has_arg method to compiler to check whether it supports a given argument.

1 files changed, 7 insertions, 0 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 47ed61c..fc5620f 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -583,6 +583,7 @@ class CompilerHolder(InterpreterObject):
                              'version' : self.version_method,
                              'cmd_array' : self.cmd_array_method,
                              'find_library': self.find_library_method,
+                             'has_arg' : self.has_arg_method,
                             })
 
     def version_method(self, args, kwargs):
@@ -789,6 +790,12 @@ class CompilerHolder(InterpreterObject):
         lib = dependencies.ExternalLibrary(libname, linkargs)
         return ExternalLibraryHolder(lib)
 
+    def has_arg_method(self, args, kwargs):
+        args = mesonlib.stringlistify(args)
+        if len(args) != 1:
+            raise InterpreterException('Has_arg takes exactly one argument.')
+        return self.compiler.has_arg(args[0])
+
 class ModuleState:
     pass