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-rw-r--r--meta/classes/kernel.bbclass7
1 files changed, 2 insertions, 5 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 2a765547ace..3cc0432fcf3 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -259,12 +259,9 @@ get_cc_option () {
# Check if KERNEL_CC supports the option "file-prefix-map".
# This option allows us to build images with __FILE__ values that do not
# contain the host build path.
- cc_option_supported=`${KERNEL_CC} -Q --help=joined | grep ffile-prefix-map`
- cc_extra=""
- if [ $cc_option_supported = "-ffile-prefix-map=<old=new>" ]; then
- cc_extra=-ffile-prefix-map=${S}=/kernel-source/
+ if ${KERNEL_CC} -Q --help=joined | grep -q "\-ffile-prefix-map=<old=new>"; then
+ echo "-ffile-prefix-map=${S}=/kernel-source/"
fi
- echo $cc_extra
}
kernel_do_compile() {