https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78096
Bug ID: 78096 Summary: gcc-4.9.4 make bootstrap libgcc_s.so link problem Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: edeveaud at pasteur dot fr Target Milestone: --- Hello, while building gcc-4.9.4 on centos6 I have a strange link problem some libraries are linked to the installed libgcc_s.so libraries, while other are linked to libgcc_s.so system libraries eg: link to system libgcc_s.so libstdc++.so libvtv.so libitm.so link to installed libgcc_s.so libasan.so liblsan.so libcilkrts.so libtsan.so libubsan.so here is a Dockerfile that reproduce the problem. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- FROM centos:6 MAINTAINER Eric Deveaud <edeve...@pasteur.fr> RUN yum install -y gcc gcc-c++ wget WORKDIR /src #---- install internal gcc RUN mkdir -p gcc/4.9.4 && \ cd gcc/4.9.4 && \ wget -qO- ftp://ftp.lip6.fr/pub/gcc/releases/gcc-4.9.4/gcc-4.9.4.tar.gz | tar xz --strip-components 1 && \ sh contrib/download_prerequisites RUN mkdir -p /tmp/build && \ cd /tmp/build && \ /src/gcc/4.9.4/configure --disable-multilib --enable-threads=posix --enable-__cxa_atexit -enable-languages=c,c++ --prefix=/exe/gcc/4.9.4 && \ make bootstrap && \ make install -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- container was built using docker build -f Dockerfile-gcc -t gcc . | tee log (I can provide buil log and then container run using docker run -i -t gcc /bin/bash following command emphasis the linking problem. find /exe/gcc/4.9.4 -type l -name \*.so | xargs ldd | grep libgcc_s.so libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f043971c000) libgcc_s.so.1 => /exe/gcc/4.9.4/lib/../lib64/libgcc_s.so.1 (0x00007f7ae4b97000) libgcc_s.so.1 => /exe/gcc/4.9.4/lib/../lib64/libgcc_s.so.1 (0x00007f4321ef7000) libgcc_s.so.1 => /exe/gcc/4.9.4/lib/../lib64/libgcc_s.so.1 (0x00007fd9918fe000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f5ea3ba4000) libgcc_s.so.1 => /exe/gcc/4.9.4/lib/../lib64/libgcc_s.so.1 (0x00007fbaf49bc000) libgcc_s.so.1 => /exe/gcc/4.9.4/lib/../lib64/libgcc_s.so.1 (0x00007fd7f5423000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f57bcfeb000) did I missed something ? best regards Eric