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toolchain-external: simplify previously-broken symbolic links

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A previous commit rewrote broken symbolic links in staging, caused by a
non-singular ARCH_LIB_DIR. In this case, the symbolic links are typically
using one or more intermediate directory symlinks, which can be simplified
using the newly introduced simplify_symlink helper.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas De Schampheleire 2017-02-07 22:56:45 +01:00 committed by Thomas Petazzoni
parent 144caf5c5b
commit 68bb926626
1 changed files with 3 additions and 0 deletions
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3
toolchain/helpers.mk
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@ -63,6 +63,8 @@ copy_toolchain_lib_root = \
# components, as links to the current directory are always fine.
# We need to fix the broken links by removing the right amount of ../
# dots from the link destination.
# Once the link destination is valid again, it can be simplified to
# remove the dependency on intermediate directory symlinks.
#
# It is possible that ARCH_LIB_DIR does not contain the dynamic loader
# (ld*.so or similar) because it (or the main symlink to it) normally
@ -126,6 +128,7 @@ copy_toolchain_sysroot = \
LINKTARGET=`readlink $$i` ; \
NEWLINKTARGET=$${LINKTARGET\#$$relpath} ; \
ln -sf $${NEWLINKTARGET} $$i ; \
$(call simplify_symlink,$$i,$(STAGING_DIR)) ; \
done ; \
fi ; \
if [ -e $${ARCH_SYSROOT_DIR}/lib/ld*.so ]; then \