1 files changed, 41 insertions, 0 deletions
diff --git a/toolkit/library/gen_buildid.py b/toolkit/library/gen_buildid.py
new file mode 100644
index 0000000000..9943ad2539
--- /dev/null
+++ b/toolkit/library/gen_buildid.py
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distibuted with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+import os
+from io import StringIO
+
+import buildconfig
+from mozbuild.preprocessor import Preprocessor
+
+
+def main(output, input_file):
+    with open(input_file) as fh:
+        if buildconfig.substs["EXPAND_LIBS_LIST_STYLE"] == "linkerscript":
+
+            def cleanup(line):
+                assert line.startswith('INPUT("')
+                assert line.endswith('")')
+                return line[len('INPUT("') : -len('")')]
+
+            objs = [cleanup(l.strip()) for l in fh.readlines()]
+        else:
+            objs = [l.strip() for l in fh.readlines()]
+
+    pp = Preprocessor()
+    pp.out = StringIO()
+    pp.do_include(os.path.join(buildconfig.topobjdir, "buildid.h"))
+    buildid = pp.context["MOZ_BUILDID"]
+    output.write('extern const char gToolkitBuildID[] = "%s";' % buildid)
+    return set(
+        os.path.join("build", o)
+        for o in objs
+        if os.path.splitext(os.path.basename(o))[0] != "buildid"
+    )