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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
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meta/classes/cross-canadian.bbclass
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@@ -68,6 +68,7 @@ python () {
elif tarch == "mips64":
d.appendVar("CANADIANEXTRAOS", " linux-gnun32 linux-uclibcn32 linux-musln32")
if tarch == "arm" or tarch == "armeb":
d.appendVar("CANADIANEXTRAOS", " linux-musleabi linux-uclibceabi")
d.setVar("TARGET_OS", "linux-gnueabi")
else:
d.setVar("TARGET_OS", "linux")