external-toolchain: only copy existing directories of the sysroot

Instead of copying all directories in "etc lib sbin usr", check that
each of them exists before doing the copy. This is only to avoid an
harmless error message.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/toolchain/external-toolchain/ext-tool.mk b/toolchain/external-toolchain/ext-tool.mk
index b1eee23039057e96291f7768ecc8f34f4de39722..9c1ec8f287684e9c066149d369d1426fd25c9999 100644 (file)
--- a/toolchain/external-toolchain/ext-tool.mk
+++ b/toolchain/external-toolchain/ext-tool.mk
@@ -120,7 +120,9 @@ copy_toolchain_sysroot = \
        ARCH_SYSROOT_DIR="$(strip $2)"; \
        ARCH_SUBDIR="$(strip $3)"; \
        for i in etc lib sbin usr ; do \
-               cp -a $${ARCH_SYSROOT_DIR}/$$i $(STAGING_DIR)/ ; \
+               if [ -d $${ARCH_SYSROOT_DIR}/$$i ] ; then \
+                       cp -a $${ARCH_SYSROOT_DIR}/$$i $(STAGING_DIR)/ ; \
+               fi ; \
        done ; \
        if [ `readlink -f $${SYSROOT_DIR}` != `readlink -f $${ARCH_SYSROOT_DIR}` ] ; then \
                if [ ! -d $${ARCH_SYSROOT_DIR}/usr/include ] ; then \