1 files changed, 39 insertions, 0 deletions
diff --git a/util/meson_aux/extra-dist-cmd.py b/util/meson_aux/extra-dist-cmd.py
new file mode 100755
index 0000000..5b04f06
--- /dev/null
+++ b/util/meson_aux/extra-dist-cmd.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+# External command, intended to be called with meson.add_dist_script() in meson.build
+
+#                        argv[1]          argv[2]
+# extra-dist-cmd.py <root_source_dir> <root_build_dir>
+
+# Meson does not preserve timestamps on distributed files.
+# But this script preserves the timestamps on libstdc++.tag.
+
+import os
+import sys
+import subprocess
+import shutil
+
+root_source_dir = sys.argv[1]
+root_build_dir = sys.argv[2]
+
+# Make a ChangeLog file for distribution.
+cmd = [
+  'git',
+  '--git-dir=' + os.path.join(root_source_dir, '.git'),
+  '--work-tree=' + root_source_dir,
+  'log',
+  '--no-merges',
+  '--date=short',
+  '--max-count=200',
+  '--pretty=tformat:%cd  %an  <%ae>%n%n  %s%n%w(0,0,2)%+b',
+]
+logfile = open(os.path.join(os.getenv('MESON_DIST_ROOT'), 'ChangeLog'), mode='w')
+result = subprocess.run(cmd, stdout=logfile)
+logfile.close()
+
+# Distribute the libstdc++.tag file in addition to the files in the local git clone.
+# shutil.copy2() copies timestamps and some other file metadata.
+shutil.copy2(os.path.join(root_build_dir, 'libstdc++.tag'),
+             os.path.join(os.getenv('MESON_DIST_ROOT'), 'doctags'))
+
+sys.exit(result.returncode)