diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py b/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py index b25bcc7abb9..6801281a68c 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-harfbuzzcc.py @@ -14,5 +14,9 @@ sources = sys.argv[3:] with open (OUTPUT, "wb") as f: f.write ("".join ('#include "{}"\n'.format (os.path.basename (x)) for x in sources if x.endswith (".cc")).encode ()) -# copy it also to src/ -shutil.copyfile (OUTPUT, os.path.join (CURRENT_SOURCE_DIR, os.path.basename (OUTPUT))) +# copy it also to the source tree, but only if it has changed +baseline_filename = os.path.join (CURRENT_SOURCE_DIR, os.path.basename (OUTPUT)) +with open(baseline_filename, "rb") as baseline: + with open(OUTPUT, "rb") as generated: + if baseline.read() != generated.read(): + shutil.copyfile (OUTPUT, baseline_filename) |