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classes/license: fix handling of symlinks pointed to in LIC_FILES_CHKSUM 

If you set LIC_FILES_CHKSUM to point to a relative symlink then you'll
get "Could not copy license file" warnings in copy_license_files() since
the symlink won't be valid after it's copied. If the source is a symlink
then we need to dereference it first.

I encountered this when I used recipetool on the sources for capnproto,
where the c++ directory contains a LICENSE.txt symlink to the LICENSE
file in the parent directory, and this symlink ends up being pointed to
in LIC_FILES_CHKSUM.

(From OE-Core rev: c4d3b1e9c37b920444e53d3231552da18d101882)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2016-10-31 16:59:43 +13:00 committed by Richard Purdie
parent 19e075ddde
commit 6879d524c1
1 changed files with 2 additions and 0 deletions
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2
meta/classes/license.bbclass
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@ -351,6 +351,8 @@ def copy_license_files(lic_files_paths, destdir):
dst = os.path.join(destdir, basename)
if os.path.exists(dst):
os.remove(dst)
if os.path.islink(src):
src = os.path.realpath(src)
canlink = os.access(src, os.W_OK) and (os.stat(src).st_dev == os.stat(destdir).st_dev)
if canlink:
try: