Fix combining C and Fortran. Closes #8377.

1 files changed, 5 insertions, 2 deletions

diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index b5f46df..58fd5c6 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -2513,15 +2513,18 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
         element.add_item('DEPFILE', dep_file)
         element.add_item('ARGS', commands)
 
-        self.add_dependency_scanner_entries_to_element(target, compiler, element)
+        self.add_dependency_scanner_entries_to_element(target, compiler, element, src)
         self.add_build(element)
         assert(isinstance(rel_obj, str))
         assert(isinstance(rel_src, str))
         return (rel_obj, rel_src.replace('\\', '/'))
 
-    def add_dependency_scanner_entries_to_element(self, target, compiler, element):
+    def add_dependency_scanner_entries_to_element(self, target, compiler, element, src):
         if not self.should_use_dyndeps_for_target(target):
             return
+        extension = os.path.splitext(src.fname)[1][1:]
+        if not (extension in compilers.lang_suffixes['fortran'] or extension in compilers.lang_suffixes['cpp']):
+            return
         dep_scan_file = self.get_dep_scan_file_for(target)
         element.add_item('dyndep', dep_scan_file)
         element.add_orderdep(dep_scan_file)