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more B fixups to cope with empty GVs (these can only happen in pads)
[perl5.git] / hints / dec_osf.sh
index c6c09e5..5eb7e80 100644 (file)
 # 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 "`$cc -v 2>&1 | grep cc`" in
 *gcc*) ;; # pass
 *)     # compile something small: taint.c is fine for this.
        # the main point is the '-v' flag of 'cc'.
@@ -80,7 +82,7 @@ case "$cc" in
 esac
 
 # be nauseatingly ANSI
-case "$cc" in
+case "`$cc -v 2>&1 | grep gcc`" in
 *gcc*) ccflags="$ccflags -ansi"
        ;;
 *)     ccflags="$ccflags -std"
@@ -93,7 +95,7 @@ esac
 # 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
@@ -149,10 +151,19 @@ case "`uname -r`" in
 *)            if $test "X$optimize" = "X$undef"; then
                       lddlflags="$lddlflags -msym"
               else
-                      lddlflags="$lddlflags $optimize -msym"
+                 case "`sizer -v`" in
+                 *4.0D*)
+                     # QAR 56761: -O4 + .so may produce broken code,
+                     # fixed in 4.0E or better.
+                     ;;
+                 *)    
+                      lddlflags="$lddlflags $optimize"
+                     ;;
+                 esac
+                 # -msym: If using a sufficiently recent /sbin/loader,
+                 # keep the module symbols with the modules.
+                  lddlflags="$lddlflags -msym"
               fi
-               # -msym: If using a sufficiently recent /sbin/loader,
-               # keep the module symbols with the modules.
                ;;
 esac
 # Yes, the above loses if gcc does not use the system linker.
@@ -193,23 +204,27 @@ esac
 
 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
 $define|true|[yY]*)
-        # Threads interfaces and flags changed with V4.0.
-        case "`uname -r`" in
-        *[123].*)
-           libswanted="$libswanted pthreads mach exc c_r"
-           ccflags="-threads $ccflags"
+       # Threads interfaces changed with V4.0.
+       case "`$cc -v 2>&1 | grep gcc`" in
+       *gcc*)ccflags="-D_REENTRANT $ccflags" ;;
+       *)  case "`uname -r`" in
+           *[123].*)   ccflags="-threads $ccflags" ;;
+           *)          ccflags="-pthread $ccflags" ;;
+           esac
            ;;
-        *)
-           libswanted="$libswanted pthread exc"
-           ccflags="-pthread $ccflags"
-           ;;
-        esac
-       ccflags="-D_REENTRANT $ccflags"
+       esac    
+       case "`uname -r`" in
+       *[123].*) libswanted="$libswanted pthreads mach exc c_r" ;;
+       *)        libswanted="$libswanted pthread exc" ;;
+       esac
+
         usemymalloc='n'
        ;;
 esac
@@ -350,5 +365,3 @@ unset _DEC_cc_style
 #      * Set -Olimit to 3200 because perl_yylex.c got too big
 #        for the optimizer.
 #
-
-