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

Message ID 20220726045551.19356-1-pavel@zhukoff.net
State New, archived
Headers show
Series [kirkstone] gcc-runtime: Pass -nostartfiles when building dummy libstdc++.so | expand

Commit Message

Pavel Zhukov July 26, 2022, 4:55 a.m. UTC 
From: Khem Raj <raj.khem@gmail.com>

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

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>

---
 meta/recipes-devtools/gcc/gcc-runtime.inc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

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/