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gcc-runtime, libgcc: Symlink c++ header and startup files in target_triplet for SDK use

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We build SDKs such that gcc-cross-candian is built for only one
target *-*-linux and then use -muclibc or -mmusl to let it compile
code for other libc variants. This works fine when libc = glibc
however it does not work for c++ programs when libc != glibc since
there are c++ headers installed under ${includedir}/c++/${BINV}/${TARGET_SYS}
which is fine when gcc-runtime and gcc-cross-candian uses same --target options
gxx includedir searches in right triplet, but it fails with musl/uclibc
since gcc will look for glibc based triplet but gcc-runtime will install
them under musl/uclibc triplet.

This patch symlinks the musl/uclibc triplet to glibc triplet when libc != glibc

This fixes SDKs for musl/uclibc

(From OE-Core rev: fcaaabb401fffcda4db9a7d1f927a2a404e4776d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2016-05-11 10:35:45 -07:00
committed by Richard Purdie
parent 7cabc9ec11
commit 9a309684cf
3 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-devtools/gcc/gcc-runtime.inc
+12
View File
@@ -73,9 +73,21 @@ do_install () {
if [ "${TARGET_VENDOR_MULTILIB_ORIGINAL}" != "" -a "${TARGET_VENDOR}" != "${TARGET_VENDOR_MULTILIB_ORIGINAL}" ]; then
ln -s ${TARGET_SYS} ${D}${includedir}/c++/${BINV}/${TARGET_ARCH}${TARGET_VENDOR_MULTILIB_ORIGINAL}-${TARGET_OS}
fi
}
do_install_append_class-target () {
if [ "${TARGET_OS}" = "linux-gnuspe" ]; then
ln -s ${TARGET_SYS} ${D}${includedir}/c++/${BINV}/${TARGET_ARCH}${TARGET_VENDOR}-linux
fi
if [ "${TCLIBC}" != "glibc" ]; then
case "${TARGET_OS}" in
"linux-musl" | "linux-uclibc" | "linux-*spe") extra_target_os="linux";;
"linux-musleabi" | "linux-uclibceabi") extra_target_os="linux-gnueabi";;
*) extra_target_os="linux";;
esac
ln -s ${TARGET_SYS} ${D}${includedir}/c++/${BINV}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os
fi
chown -R root:root ${D}
}