Do not write cp entry when it is empty. Closes #4602.

6 years ago · d64f93800f
parent f881532559
commit d64f93800f
1 changed files with 4 additions and 1 deletions
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@ -2143,7 +2143,10 @@ class Jar(BuildTarget):

    def get_classpath_args(self):
        cp_paths = [os.path.join(l.get_subdir(), l.get_filename()) for l in self.link_targets]
-        return ['-cp', os.pathsep.join(cp_paths)]
+        cp_string = os.pathsep.join(cp_paths)
+        if cp_string:
+            return ['-cp', os.pathsep.join(cp_paths)]
+        return []

 class CustomTargetIndex: