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gcc-runtime: Fix build when using gold

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If gold is enabled as the default linker, it errors trying to link
to our dummy library empty file and this turns off things which should
be present in libstdc++.

For example, _GLIBCXX_HAVE_S_ISREG isn't defined and HAVE_S_ISREG in
libstdc++-v3/config.h isn't set properly.

Instead of just creating an empty file, create an empty elf binary
instead which addresses the issue.

(From OE-Core rev: 2070bcd10aa3a05c96c8501c6a8c1e129fb1d440)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2022-07-13 23:12:06 +01:00
parent 442d79a39b
commit 028ecb0c26
1 changed files with 2 additions and 1 deletions
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3
meta/recipes-devtools/gcc/gcc-runtime.inc
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@@ -68,7 +68,8 @@ do_configure () {
# libstdc++ isn't built yet so CXX would error not able to find it which breaks stdc++'s configure
# tests. Create a dummy empty lib for the purposes of configure.
mkdir -p ${WORKDIR}/dummylib
touch ${WORKDIR}/dummylib/libstdc++.so
touch ${WORKDIR}/dummylib/dummylib.c
${CC} ${WORKDIR}/dummylib/dummylib.c -shared -o ${WORKDIR}/dummylib/libstdc++.so
for d in libgcc ${RUNTIMETARGET}; do
echo "Configuring $d"
rm -rf ${B}/${TARGET_SYS}/$d/