On 6 March 2016 at 14:09, Daniel Letai <dani@xxxxxxxxxxxx> wrote: > Hi, > > I'm trying to build a gcc-5.3 package for rhel 6 x64 (based on gcc-5.3.1 > from koji) with the prerequisites in tree, as if after using the > contrib/download_prerequisites but with newer versions of those libraries. > > The exact error: > > /opt/gnu/binutils/2.26/bin/ld: > /home/rpmbuild/BUILD/gcc-5.3.1-20160212/obj-x86_64-redhat-linux/objlibgccjit/./isl/.libs/libisl.a(isl_val_gmp.o): > relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making > a shared object; recompile with -fPIC > /home/rpmbuild/BUILD/gcc-5.3.1-20160212/obj-x86_64-redhat-linux/objlibgccjit/./isl/.libs/libisl.a: > error adding symbols: Bad value > collect2: error: ld returned 1 exit status > make[1]: *** [libgccjit.so.0.0.1] Error 1 > make[1]: *** Waiting for unfinished jobs.... > rm gcov-tool.pod gcov.pod cpp.pod gfdl.pod fsf-funding.pod gcc.pod > make[1]: Leaving directory > `/home/rpmbuild/BUILD/gcc-5.3.1-20160212/obj-x86_64-redhat-linux/objlibgccjit/gcc' > make: *** [all-gcc] Error 2 > error: Bad exit status from /var/tmp/rpm-tmp.Qe5BHa (%build) > > > RPM build errors: > Bad exit status from /var/tmp/rpm-tmp.Qe5BHa (%build) > > > Since gcc/configure doesn't accept -fPIC, I'm not sure how to proceed - How > do I tell gcc configure to pass -fPIC to just the isl library, and only when > building objlibgccjit? You need to configure with --enable-host-shared for libgccjit. You can also build without ISL, since it's only needed by an optional feature.
