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Diffstat (limited to 'mesonbuild/mesonlib.py')
| -rw-r--r-- | mesonbuild/mesonlib.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mesonbuild/mesonlib.py b/mesonbuild/mesonlib.py index 8133c48..943a23e 100644 --- a/mesonbuild/mesonlib.py +++ b/mesonbuild/mesonlib.py @@ -320,14 +320,17 @@ def dump_conf_header(ofilename, cdata): def replace_if_different(dst, dst_tmp): # If contents are identical, don't touch the file to prevent # unnecessary rebuilds. + different = True try: with open(dst, 'r') as f1, open(dst_tmp, 'r') as f2: if f1.read() == f2.read(): - os.unlink(dst_tmp) - return + different = False except FileNotFoundError: pass - os.replace(dst_tmp, dst) + if different: + os.replace(dst_tmp, dst) + else: + os.unlink(dst_tmp) def stringlistify(item): if isinstance(item, str): |