gcc-runtime: Pass -nostartfiles when building dummy libstdc++.so

This is a dummy shared object therefore reduce dependencies further by
not requiring the C startup files, we wont use this shared library for
anything useful anyway

(From OE-Core rev: 2bc86c029fb82ae572f6a89407ccfe332972568c)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc b/meta/recipes-devtools/gcc/gcc-runtime.inc
index c85b5888d4..8074bf1025 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime.inc
+++ b/meta/recipes-devtools/gcc/gcc-runtime.inc
@@ -68,8 +68,7 @@ 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/dummylib.c
-        ${CC} ${WORKDIR}/dummylib/dummylib.c -shared -o ${WORKDIR}/dummylib/libstdc++.so
+        ${CC} -x c /dev/null -nostartfiles -shared -o ${WORKDIR}/dummylib/libstdc++.so
         for d in libgcc ${RUNTIMETARGET}; do
                 echo "Configuring $d"
                 rm -rf ${B}/${TARGET_SYS}/$d/