case `uname -r` in
6.1*) shellflags="-m+65536" ;;
esac
+
case "$optimize" in
# If we used fastmd (the default) integer values would be limited to 46 bits.
# --Mark P. Lutz
-'') optimize="$optimize -h nofastmd" ;;
+'') optimize="$optimize -O1 -h nofastmd" ;;
esac
+
+# At least in the following environment
+# uname -a: snxxxx xxxx 9.0.2.2 sin.0 CRAY Y-MP
+# cc -V: Cray Standard C Version 4.0.3 (057126) Jan 29 2006 07:27:26
+# one has to drop optimisation from perl.c or otherwise
+# the resulting miniperl executable does nothing (visible)
+# but always exits with zero (success) exit status, this
+# making it impossible to build the perl executable. --jhi
+perl_cflags='optimize="-O0"'
+
# The default is to die in runtime on math overflows.
# Let's not do that. --jhi
ccflags="$ccflags -h matherror=errno"
-# Give int((2/3)*3) a chance to be 2, not 1. --jhi
-case "`uname -m`" in
-"CRAY TS") ;; # -h rounddiv not available here
-*) ccflags="$ccflags -h rounddiv" ;;
-esac
+
+# Cray floating point (cfp) CPUs need -h rounddiv
+# (It gives int((2/3)*3) a chance to be 2, not 1. --jhi)
+# (but IEEE CPUs, IEEE/ieee/CPE1 CPUs should not have -h rounddiv,
+# since the compiler on those CPUs doesn't even support the option.)
+if /etc/cpu -i | grep -q cfp
+then
+ ccflags="$ccflags -h rounddiv"
+fi
+
# 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"'
# These exist but do not really work.
d_setregid='undef'
d_setreuid='undef'
+# No shared libraries.
+so='none'
+# No dynaloading.
+d_dlopen='undef'
+i_dlfcn='undef'
+# Threads call-back unit.
cat > UU/usethreads.cbu <<'EOCBU'
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.