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build: no need to re-create the lib and bin symlinks if they exist

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this saves a few unlink/symlink calls for null builds
This commit is contained in:
Andrew Tridgell 2010-04-09 20:30:44 +10:00
parent 5f90d3260b
commit 0b8a3a4036
1 changed files with 6 additions and 0 deletions
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6
buildtools/wafsamba/samba_install.py
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@ -133,6 +133,9 @@ def symlink_lib(self):
link_target = os.path.join(blddir, link_target)
if os.path.lexists(link_target):
old_link = os.readlink(link_target)
if libpath == old_link:
return
os.unlink(link_target)
os.symlink(libpath, link_target)
@ -150,5 +153,8 @@ def symlink_bin(self):
bldpath = os.path.join(self.bld.env.BUILD_DIRECTORY, self.target)
if os.path.lexists(bldpath):
old_link = os.readlink(bldpath)
if binpath == old_link:
return
os.unlink(bldpath)
os.symlink(binpath, bldpath)