https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68743
--- Comment #12 from John David Anglin <danglin at gcc dot gnu.org> --- libtool: compile: /test/gnu/gcc/objdir/./gcc/xgcc -B/test/gnu/gcc/objdir/./gcc/ -B/opt/gnu64/gcc/gcc-6/hppa64-hp-hpux11.11/bin/ -B/opt/gnu64/gcc/gcc-6/hppa64-h p-hpux11.11/lib/ -isystem /opt/gnu64/gcc/gcc-6/hppa64-hp-hpux11.11/include -isys tem /opt/gnu64/gcc/gcc-6/hppa64-hp-hpux11.11/sys-include -DHAVE_CONFIG_H -I. -I. ./../../gcc/libgfortran -iquote../../../gcc/libgfortran/io -I../../../gcc/libgfo rtran/../gcc -I../../../gcc/libgfortran/../gcc/config -I../../../gcc/libgfortran /../libquadmath -I../.././gcc -I../../../gcc/libgfortran/../libgcc -I../libgcc - I../../../gcc/libgfortran/../libbacktrace -I../libbacktrace -I../libbacktrace -s td=gnu11 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition - Wextra -Wwrite-strings -Werror=implicit-function-declaration -Werror=vla -fcx-fo rtran-rules -ffunction-sections -fdata-sections -g -O2 -MT c99_functions.lo -MD -MP -MF .deps/c99_functions.Tpo -c ../../../gcc/libgfortran/intrinsics/c99_funct ions.c -o c99_functions.o >/dev/null 2>&1