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gcc-configure-common: Allow the sysroot layout seen by the compiler to be configured (based on a patch from OE.dev but improved) 

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Richard Purdie 2009-09-17 01:05:15 +01:00
parent 7efbf5caf8
commit 192709ca26
1 changed files with 17 additions and 0 deletions
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17
meta/packages/gcc/gcc-configure-common.inc
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@ -47,6 +47,9 @@ CPPFLAGS = ""
ARCH_FLAGS_FOR_TARGET = "${TARGET_CC_ARCH}"
EXTRA_OEMAKE += "ARCH_FLAGS_FOR_TARGET='${ARCH_FLAGS_FOR_TARGET}'"
SYSTEMHEADERS = "${includedir}"
SYSTEMLIBS1 = "${libdir}/"
do_configure () {
# Setup these vars for cross building only
# ... because foo_FOR_TARGET apparently gets misinterpreted inside the
@ -72,6 +75,20 @@ do_configure () {
export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}"
export ARCH_FLAGS_FOR_TARGET="${ARCH_FLAGS_FOR_TARGET}"
(cd ${S} && gnu-configize) || die "failure running gnu-configize"
# splice our idea of where the headers live into gcc's world
echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${T}/t-oe
sed 's%^tmake_file=.*$%& ${T}/t-oe%' < ${S}/gcc/Makefile.in >${S}/gcc/Makefile.in.new
mv ${S}/gcc/Makefile.in.new ${S}/gcc/Makefile.in
cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${S}/gcc/defaults.h.new
echo "#ifndef STANDARD_INCLUDE_DIR" >> ${S}/gcc/defaults.h.new
echo "#define STANDARD_INCLUDE_DIR \"${SYSTEMHEADERS}\"" >> ${S}/gcc/defaults.h.new
echo "#endif" >> ${S}/gcc/defaults.h.new
echo "#ifndef STANDARD_STARTFILE_PREFIX_2" >> ${S}/gcc/defaults.h.new
echo "#define STANDARD_STARTFILE_PREFIX_2 \"${SYSTEMLIBS1}\"" >> ${S}/gcc/defaults.h.new
echo "#endif" >> ${S}/gcc/defaults.h.new
echo "#endif /* ! GCC_DEFAULTS_H */" >> ${S}/gcc/defaults.h.new
mv ${S}/gcc/defaults.h.new ${S}/gcc/defaults.h
oe_runconf
}