https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87341
--- Comment #1 from mi+gcc at aldan dot algebra.com --- Invoking gfortran with -v I get the following details: Driving: gfortran -v -o xscblat1 c_sblat1.o c_sblas1.o ../lib/cblas_LINUX.a -l gfortran -l m -shared-libgcc Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ./configure --enable-cxx --enable-alloca --prefix=/prod/pfe/local --with-gmp=/prod/pfe/local --with-mpfr=/prod/pfe/local --with-mpc=/prod/pfe/local --enable-valgrind-tests --with-system-libz --with-gcc-major-version-only --enable-lto --enable-gold --enable-ld --enable-libssp --with-pkgversion=Misha@Local --with-as=/prod/pfe/local/bin/as --enable-languages=c,c++,fortran,lto,jit,objc --enable-vtable-verify --enable-gnu-indirect-function --enable-initfini-array --enable-host-shared Thread model: posix gcc version 8.2.0 (Misha@Local) Reading specs from /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../lib64/libgfortran.spec rename spec lib to liborig COLLECT_GCC_OPTIONS='-v' '-o' 'xscblat1' '-shared-libgcc' '-mtune=generic' '-march=x86-64' COMPILER_PATH=/prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/:/prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/:/prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../x86_64-pc-linux-gnu/bin/ LIBRARY_PATH=/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../x86_64-pc-linux-gnu/lib/:/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-v' '-o' 'xscblat1' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/collect2 -plugin /prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/liblto_plugin.so -plugin-opt=/prod/pfe/local/libexec/gcc/x86_64-pc-linux-gnu/8/lto-wrapper -plugin-opt=-fresolution=/tmp/ccKgaJkR.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lquadmath -plugin-opt=-pass-through=-lm -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o xscblat1 /usr/lib/../lib64/crt1.o /usr/lib/../lib64/crti.o /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/crtbegin.o -L/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8 -L/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../x86_64-pc-linux-gnu/lib -L/prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../.. c_sblat1.o c_sblas1.o ../lib/cblas_LINUX.a -lgfortran -lm -lgcc_s -lgcc -lquadmath -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/crtend.o /usr/lib/../lib64/crtn.o /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../x86_64-pc-linux-gnu/bin/ld: /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../lib64/libgfortran.so: _edata: invalid version 21 (max 4) /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../x86_64-pc-linux-gnu/bin/ld: /prod/pfe/local/lib/gcc/x86_64-pc-linux-gnu/8/../../../../lib64/libgfortran.so: error adding symbols: bad value collect2: error: ld returned 1 exit status
