http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56739
--- Comment #1 from Anton Shterenlikht <mexas at bristol dot ac.uk> 2013-04-23 16:11:33 UTC --- building gcc-4.9-20130414 gives different error: libtool: compile: /usr/ports/lang/gcc49/work/build/./gcc/xgcc -B/usr/ports/lang/gcc49/work/build/./gcc/ -B/usr/local/ia64-portbld-freebsd10.0/bin/ -B/usr/local/ia64-portbld-freebsd10.0/lib/ -isystem /usr/local/ia64-portbld-freebsd10.0/include -isystem /usr/local/ia64-portbld-freebsd10.0/sys-include -DHAVE_CONFIG_H -I. -I../.././../gcc-4.9-20130414/libgfortran -iquote../.././../gcc-4.9-20130414/libgfortran/io -I../.././../gcc-4.9-20130414/libgfortran/../gcc -I../.././../gcc-4.9-20130414/libgfortran/../gcc/config -I../.././gcc -I../.././../gcc-4.9-20130414/libgfortran/../libgcc -I../libgcc -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings -fcx-fortran-rules -ffunction-sections -fdata-sections -ftree-vectorize -funroll-loops -g -O2 -pipe -I/usr/local/include -fno-strict-aliasing -MT matmul_i8.lo -MD -MP -MF .deps/matmul_i8.Tpo -c ../.././../gcc-4.9-20130414/libgfortran/generated/matmul_i8.c -fPIC -DPIC -o .libs/matmul_i8.o ../.././../gcc-4.9-20130414/libgfortran/generated/matmul_i4.c: In function 'matmul_i4': ../.././../gcc-4.9-20130414/libgfortran/generated/matmul_i4.c:374:1: internal compiler error: Segmentation fault } ^ libbacktrace could not find executable to open Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. gmake[3]: *** [matmul_i4.lo] Error 1 gmake[3]: *** Waiting for unfinished jobs.... libtool: compile: /usr/ports/lang/gcc49/work/build/./gcc/xgcc -B/usr/ports/lang/gcc49/work/build/./gcc/ -B/usr/local/ia64-portbld-freebsd10.0/bin/ -B/usr/local/ia64-portbld-freebsd10.0/lib/ -isystem /usr/local/ia64-portbld-freebsd10.0/include -isystem /usr/local/ia64-portbld-freebsd10.0/sys-include -DHAVE_CONFIG_H -I. -I../.././../gcc-4.9-20130414/libgfortran -iquote../.././../gcc-4.9-20130414/libgfortran/io -I../.././../gcc-4.9-20130414/libgfortran/../gcc -I../.././../gcc-4.9-20130414/libgfortran/../gcc/config -I../.././gcc -I../.././../gcc-4.9-20130414/libgfortran/../libgcc -I../libgcc -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings -fcx-fortran-rules -ffunction-sections -fdata-sections -ftree-vectorize -funroll-loops -g -O2 -pipe -I/usr/local/include -fno-strict-aliasing -MT matmul_i8.lo -MD -MP -MF .deps/matmul_i8.Tpo -c ../.././../gcc-4.9-20130414/libgfortran/generated/matmul_i8.c -o matmul_i8.o >/dev/null 2>&1 mv -f .deps/matmul_i8.Tpo .deps/matmul_i8.Plo gmake[3]: Leaving directory `/usr/ports/lang/gcc49/work/build/ia64-portbld-freebsd10.0/libgfortran' gmake[2]: *** [all] Error 2 Shall I open a new PR for this?