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kernel.bbclass: external toolchain fix

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Refactor get_cc_option so it is simpler and also does not fail
when using external toolchain.

(From OE-Core rev: d4564ee59df907d1e01a3610ac88a35f9a78c1ce)

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Juro Bystricky
2017-08-19 09:41:35 -07:00
committed by Richard Purdie
parent 07348bb76f
commit 06ff0a9c8a
1 changed files with 2 additions and 5 deletions
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7
meta/classes/kernel.bbclass
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@@ -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() {