gcc-cross: Fix header file corruption problems

gcc's makefile can move files, replacing with the contents "timestamp". This
corrupts the headers and breaks things like the gcc testsuite.

Add in a fix to ensure the headers are not corrupted through their hardlink copies.

(From OE-Core rev: 7e75ed5aec86b94fe7fadbed606619f84a2e58e7)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-cross.inc b/meta/recipes-devtools/gcc/gcc-cross.inc
index e417b89873..95af6d89a9 100644
--- a/meta/recipes-devtools/gcc/gcc-cross.inc
+++ b/meta/recipes-devtools/gcc/gcc-cross.inc
@@ -212,6 +212,9 @@ do_gcc_stash_builddir[cleandirs] = "${BUILDDIRSTASH}"
 do_gcc_stash_builddir () {
         dest=${BUILDDIRSTASH}
         hardlinkdir . $dest
+        # Makefile does move-if-change which can end up with 'timestamp' as file contents so break links to those files
+        rm $dest/gcc/include/*.h
+        cp gcc/include/*.h $dest/gcc/include/
 }
 addtask do_gcc_stash_builddir after do_compile before do_install
 SSTATETASKS += "do_gcc_stash_builddir"