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gcc-target.inc: Remove non-related gcc headers from include_fixed folder

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Without this patch, the D's include_fixed folder may change after building it
(due to the gcc's fixinc.sh script, executed on the do_compile task) and changes
depend on the current sysroot headers, making the gcc's builds non-deterministic.

[YOCTO #7882]

(From OE-Core rev: e0af4b2c8f8e29ac6f8eccef401c7c004355359d)

Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Leonardo Sandoval
2015-07-01 12:57:48 +00:00
committed by Richard Purdie
parent 2b6218d449
commit 1efd172dd8
1 changed files with 31 additions and 0 deletions
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meta/recipes-devtools/gcc/gcc-target.inc
+31
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@@ -173,6 +173,37 @@ do_install () {
chown -R root:root ${D}
}
do_install_append () {
#
# Thefixinc.sh script, run on the gcc's compile phase, looks into sysroot header
# files and places the modified files into
# {D}${libdir}/gcc/${TARGET_SYS}/${BINV}/include-fixed folder. This makes the
# build not deterministic. The following code prunes all those headers
# except those under include-fixed/linux, *limits.h and README, yielding
# the same include-fixed folders no matter what sysroot
include_fixed="${D}${libdir}/gcc/${TARGET_SYS}/${BINV}/include-fixed"
for f in $(find ${include_fixed} -type f); do
case $f in
*/include-fixed/linux/*)
continue
;;
*/include-fixed/*limits.h)
continue
;;
*/include-fixed/README)
continue
;;
*)
# remove file and directory if empty
bbdebug 2 "Pruning $f"
rm $f
find $(dirname $f) -maxdepth 0 -empty -exec rmdir {} \;
;;
esac
done
}
# Installing /usr/lib/gcc/* means we'd have two copies, one from gcc-cross
# and one from here. These can confuse gcc cross where includes use #include_next
# and builds track file dependencies (e.g. perl and its makedepends code).