https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64683
--- Comment #3 from vries at gcc dot gnu.org --- configure line nobootstrap build: ... $ ./nobootstrap/install/bin/gccgo -v Using built-in specs. COLLECT_GCC=./nobootstrap/install/bin/gccgo COLLECT_LTO_WRAPPER=/data/vries/ref-master-15-01-19/nobootstrap/install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/vries/gcc_versions/data/ref-master-15-01-19/src/configure --prefix=/home/vries/gcc_versions/data/ref-master-15-01-19/nobootstrap/install --with-cloog=/home/vries/gcc_versions/infra --with-ppl=/home/vries/gcc_versions/infra --with-gmp=/home/vries/gcc_versions/infra --with-mpfr=/home/vries/gcc_versions/infra --with-mpc=/home/vries/gcc_versions/infra --with-isl=/home/vries/gcc_versions/infra --disable-bootstrap --enable-checking=yes,rtl --enable-languages=c,fortran,ada,java,objc,c++,go,obj-c++ Thread model: posix gcc version 5.0.0 20150119 (experimental) (GCC) ... configure line bootstrap build (the same, but without --disable-bootstrap): ... $ ./install/bin/gccgo -v Using built-in specs. COLLECT_GCC=./install/bin/gccgo COLLECT_LTO_WRAPPER=/data/vries/ref-master-15-01-19/install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/vries/gcc_versions/data/ref-master-15-01-19/src/configure --prefix=/home/vries/gcc_versions/data/ref-master-15-01-19/install --with-cloog=/home/vries/gcc_versions/infra --with-ppl=/home/vries/gcc_versions/infra --with-gmp=/home/vries/gcc_versions/infra --with-mpfr=/home/vries/gcc_versions/infra --with-mpc=/home/vries/gcc_versions/infra --with-isl=/home/vries/gcc_versions/infra --enable-checking=yes,rtl --enable-languages=c,fortran,ada,java,objc,c++,go,obj-c++ Thread model: posix gcc version 5.0.0 20150119 (experimental) (GCC) ...