Allow substitutions in custom_target() depfile:

Allow substitutions in custom_target() depfile: as well as in command:

1 files changed, 12 insertions, 0 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 1e7f5fe..c5e50da 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -1835,6 +1835,18 @@ class CustomTarget(Target):
     def get_generated_sources(self):
         return self.get_generated_lists()
 
+    def get_dep_outname(self, infilenames):
+        if self.depfile is None:
+            raise InvalidArguments('Tried to get depfile name for custom_target that does not have depfile defined.')
+        if len(infilenames):
+            plainname = os.path.basename(infilenames[0])
+            basename = os.path.splitext(plainname)[0]
+            return self.depfile.replace('@BASENAME@', basename).replace('@PLAINNAME@', plainname)
+        else:
+            if '@BASENAME@' in self.depfile or '@PLAINNAME@' in self.depfile:
+                raise InvalidArguments('Substitution in depfile for custom_target that does not have an input file.')
+            return self.depfile
+
     def type_suffix(self):
         return "@cus"