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lib/oe/package: Ensure strip breaks hardlinks

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Normally, strip preserves hardlinks which in the case of the way our hardlink
rather than copy functionality works, is a disadvantage and leads to non-deterministic
builds. This adds a move into place after the strip operation to ensure hardlinks
are broken and we bring back build determinism.

(From OE-Core rev: 7c0fd561bad0250a00cef63e3d787573112a59cf)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2015-01-21 11:34:50 +00:00
parent 7f58a85337
commit 8bab098c36
1 changed files with 2 additions and 1 deletions
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3
meta/lib/oe/package.py
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@@ -30,7 +30,8 @@ def runstrip(arg):
elif elftype & 8 or elftype & 4:
extraflags = "--remove-section=.comment --remove-section=.note"
stripcmd = "'%s' %s '%s'" % (strip, extraflags, file)
# Use mv to break hardlinks
stripcmd = "'%s' %s '%s' -o '%s.tmp' && mv '%s.tmp' '%s'" % (strip, extraflags, file, file, file, file)
bb.debug(1, "runstrip: %s" % stripcmd)
ret = subprocess.call(stripcmd, shell=True)