On 7/14/22 5:15 AM, Richard Purdie wrote:
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.
Signed-off-by: Richard Purdie <[email protected]>
---
meta/recipes-devtools/gcc/gcc-runtime.inc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc
b/meta/recipes-devtools/gcc/gcc-runtime.inc
index c39a0caf8a7..7e920df2d34 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime.inc
+++ b/meta/recipes-devtools/gcc/gcc-runtime.inc
@@ -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
you can improve it a little by using a one liner
${CC} -x c /dev/null -shared -o ${WORKDIR}/dummylib/libstdc++.so
for d in libgcc ${RUNTIMETARGET}; do
echo "Configuring $d"
rm -rf ${B}/${TARGET_SYS}/$d/
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