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Code Issues Releases Wiki Activity

backup Makefile too

This commit is contained in:
Guido van Rossum 1995-04-05 10:58:39 +00:00
parent 9a707e8c76
commit 6d67b607b2
1 changed files with 13 additions and 1 deletions
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14
Tools/freeze/freeze.py
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@ -19,7 +19,7 @@ usage: freeze [-p prefix] [-e extension] ... script [module] ...
-p prefix: This is the prefix used when you ran -p prefix: This is the prefix used when you ran
'Make inclinstall libainstall' in the Python build directory. 'Make inclinstall libainstall' in the Python build directory.
(If you never ran this, freeze won't work.) (If you never ran this, freeze won't work.)
The default is /usr/local. The default is /usr/local.
-e extension: A directory containing additional .o files that -e extension: A directory containing additional .o files that
may be used to resolve modules. This directory may be used to resolve modules. This directory
@ -227,11 +227,23 @@ def main():
addfiles + libs + \ addfiles + libs + \
['$(MODLIBS)', '$(LIBS)', '$(SYSLIBS)'] ['$(MODLIBS)', '$(LIBS)', '$(SYSLIBS)']
backup = makefile + '~'
try:
os.rename(makefile, backup)
except os.error:
backup = None
outfp = open(makefile, 'w') outfp = open(makefile, 'w')
try: try:
makemakefile.makemakefile(outfp, somevars, files, target) makemakefile.makemakefile(outfp, somevars, files, target)
finally: finally:
outfp.close() outfp.close()
if backup:
if not cmp.cmp(backup, makefile):
print 'previous Makefile saved as', backup
else:
sys.stderr.write('%s not changed, not written\n' %
makefile)
os.rename(backup, makefile)
# Done! # Done!