6.1*) shellflags="-m+65536" ;;
esac
case "$optimize" in
-'') optimize="-O1 -h nofastmd" ;;
+# If we used fastmd (the default) integer values would be limited to 46 bits.
+# --Mark P. Lutz
+'') optimize="$optimize -h nofastmd" ;;
esac
-case `uname -r` in
-10.*) pp_ctl_cflags='ccflags="$ccflags -DUNICOS_BROKEN_VOLATILE' ;;
-esac
-d_setregid='undef'
-d_setreuid='undef'
+# The default is to die in runtime on math overflows.
+# Let's not do that. --jhi
+ccflags="$ccflags -h matherror=errno"
+# Give int((2/3)*3) a chance to be 2, not 1. --jhi
+ccflags="$ccflags -h rounddiv"
+# Avoid an optimizer bug where a volatile variables
+# isn't correctly saved and restored --Mark P. Lutz
+pp_ctl_cflags='ccflags="$ccflags -h scalar0 -h vector0"'
case "$usemymalloc" in
-'') # The perl malloc.c SHOULD work in Unicos (ILP64) says Ilya.
+'') # The perl malloc.c SHOULD work says Ilya.
# But for the time being (5.004_68), alas, it doesn't. --jhi
# usemymalloc='y'
# ccflags="$ccflags -DNO_RCHECK"
esac
# Configure gets fooled for some reason. There is no getpgid().
d_getpgid='undef'
+# These exist but do not really work.
+d_setregid='undef'
+d_setreuid='undef'