# and it is called GEM. Many of the options we are going to use depend
# on the compiler style.
+cc=${cc:-cc}
+
# do NOT, I repeat, *NOT* take away the leading tabs
# Configure Black Magic (TM)
# reset
_DEC_cc_style=
-case "$cc" in
+case "`$cc -v 2>&1 | grep cc`" in
*gcc*) ;; # pass
*) # compile something small: taint.c is fine for this.
# the main point is the '-v' flag of 'cc'.
esac
# be nauseatingly ANSI
-case "$cc" in
+case "`$cc -v 2>&1 | grep gcc`" in
*gcc*) ccflags="$ccflags -ansi"
;;
*) ccflags="$ccflags -std"
# we want optimisation
case "$optimize" in
-'') case "$cc" in
+'') case "`$cc -v 2>&1 | grep gcc`" in
*gcc*)
optimize='-O3' ;;
*) case "$_DEC_cc_style" in
*[123].*) # old loader
lddlflags="$lddlflags -O3"
;;
-*) lddlflags="$lddlflags $optimize -msym"
- # -msym: If using a sufficiently recent /sbin/loader,
- # keep the module symbols with the modules.
+*) if $test "X$optimize" = "X$undef"; then
+ lddlflags="$lddlflags -msym"
+ else
+ case "`sizer -v`" in
+ *4.0D*)
+ # QAR 56761: -O4 + .so may produce broken code,
+ # fixed in 4.0E or better.
+ ;;
+ *)
+ lddlflags="$lddlflags $optimize"
+ ;;
+ esac
+ # -msym: If using a sufficiently recent /sbin/loader,
+ # keep the module symbols with the modules.
+ lddlflags="$lddlflags -msym"
+ fi
;;
esac
# Yes, the above loses if gcc does not use the system linker.
# "-Uuseshrplib" prevents this default.
#
-# This or the glibpth change above breaks the build. Commented out
-# for this snapshot.
-#case "$_DEC_cc_style.$useshrplib" in
-# new.) useshrplib="$define" ;;
-#esac
+case "$_DEC_cc_style.$useshrplib" in
+ new.) useshrplib="$define" ;;
+esac
# The EFF_ONLY_OK from <sys/access.h> is present but dysfunctional for
# [RWX]_OK as of Digital UNIX 4.0[A-D]?. If and when this gets fixed,
pp_sys_cflags='ccflags="$ccflags -DNO_EFF_ONLY_OK"'
+# The off_t is already 8 bytes, so we do have largefileness.
+
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
case "$usethreads" in
$define|true|[yY]*)
- # Threads interfaces changed with V4.0.
- case "`uname -r`" in
- *[123].*)
- libswanted="$libswanted pthreads mach exc c_r"
- ccflags="-threads $ccflags"
- ;;
- *)
- libswanted="$libswanted pthread exc"
- ccflags="-pthread $ccflags"
+ # Threads interfaces changed with V4.0.
+ case "`$cc -v 2>&1 | grep gcc`" in
+ *gcc*)ccflags="-D_REENTRANT $ccflags" ;;
+ *) case "`uname -r`" in
+ *[123].*) ccflags="-threads $ccflags" ;;
+ *) ccflags="-pthread $ccflags" ;;
+ esac
;;
- esac
+ esac
+ case "`uname -r`" in
+ *[123].*) libswanted="$libswanted pthreads mach exc c_r" ;;
+ *) libswanted="$libswanted pthread exc" ;;
+ esac
usemymalloc='n'
;;
# * Set -Olimit to 3200 because perl_yylex.c got too big
# for the optimizer.
#
-
-