Fix a typo and add some clarification to change #26387.
[p5sagit/p5-mst-13.2.git] / hints / hpux.sh
index 1cd190e..3ce1d85 100644 (file)
@@ -5,6 +5,8 @@
 # Determine the architecture type of this system.
 # Keep leading tab below -- Configure Black Magic -- RAM, 03/02/97
        xxOsRevMajor=`uname -r | sed -e 's/^[^0-9]*//' | cut -d. -f1`;
+       xxOsRevMinor=`uname -r | sed -e 's/^[^0-9]*//' | cut -d. -f2`;
+       xxOsRev=`expr 100 \* $xxOsRevMajor + $xxOsRevMinor`
 if [ "$xxOsRevMajor" -ge 10 ]; then
     # This system is running >= 10.x
 
@@ -82,7 +84,7 @@ case `$cc -v 2>&1`"" in
                [012]*) # HP-UX and gcc-2.* break UINT32_MAX :-(
                        ccflags="$ccflags -DUINT32_MAX_BROKEN"
                        ;;
-               3*)     # GCC (both 32bit and 64bit) will define __STDC_EXT__
+               [34]*) # GCC (both 32bit and 64bit) will define __STDC_EXT__
                        # by default when using GCC 3.0 and newer versions of
                        # the compiler.
                        cppflags="$cc_cppflags"
@@ -92,7 +94,7 @@ case `$cc -v 2>&1`"" in
                *64*)
                    echo "main(){}">try.c
                    case "$gccversion" in
-                       3*)
+                       [34]*)
                            case "$archname" in
                                PA-RISC*)
                                    case "$ccflags" in
@@ -134,10 +136,36 @@ case `$cc -v 2>&1`"" in
                esac
            ;;
     *)      ccisgcc=''
-           ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
+           # What cannot be use in combination with ccache links :(
+           cc_found=""
+           for p in `echo $PATH | tr : ' ''` ; do
+               x="$p/cc"
+               if [ -f $x ] && [ -x $x ]; then
+                   if [ -h $x ]; then
+                       l=`ls -l $x | sed 's,.*-> ,,'`
+                       case $l in
+                           /*) x=$l            ;;
+                           *)  x="$p/$l"       ;;
+                           esac
+                       fi
+                   x=`echo $x | sed 's,/\./,/,g'`
+                   case $x in
+                       *ccache*) ;;
+                       *) [ -z "$cc_found" ] && cc_found=$x ;;
+                       esac
+                   fi
+               done
+           [ -z "$cc_found" ] && cc_found=`which cc`
+           what $cc_found >&4
+           ccversion=`what $cc_found | awk '/Compiler/{print $2}/Itanium/{print $6,$7}'`
            case "$ccflags" in
                "-Ae "*) ;;
-               *) ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings" ;;
+               *)  ccflags="-Ae $cc_cppflags"
+                   # +vnocompatwarnings not known in 10.10 and older
+                   if [ $xxOsRev -ge 1020 ]; then
+                       ccflags="$ccflags -Wl,+vnocompatwarnings"
+                       fi
+                   ;;
                esac
            # Needed because cpp does only support -Aa (not -Ae)
            cpplast='-'
@@ -241,15 +269,16 @@ EOM
                # HP-UX soon, including a user-friendly exit
                case $gcc_64native in
                    no) case "$gccversion" in
-                           [123]*) ccflags="$ccflags -mlp64"
-                                   case "$archname" in
-                                       PA-RISC*)
-                                           ldflags="$ldflags -Wl,+DD64"
-                                           ;;
-                                       IA64*)
-                                           ldflags="$ldflags -mlp64"
-                                           ;;
-                                       esac
+                           [1234]*)
+                               ccflags="$ccflags -mlp64"
+                               case "$archname" in
+                                   PA-RISC*)
+                                       ldflags="$ldflags -Wl,+DD64"
+                                       ;;
+                                   IA64*)
+                                       ldflags="$ldflags -mlp64"
+                                       ;;
+                                   esac
                                    ;;
                            esac
                        ;;
@@ -397,6 +426,9 @@ case "$ccisgcc" in
     esac
 
 ## LARGEFILES
+if [ $xxOsRev -lt 1020 ]; then
+    uselargefiles="$undef"
+    fi
 
 #case "$uselargefiles-$ccisgcc" in
 #    "$define-$define"|'-define') 
@@ -410,6 +442,58 @@ case "$ccisgcc" in
 #      ;;
 #    esac
 
+# Once we have the compiler flags defined, Configure will
+# execute the following call-back script. See hints/README.hints
+# for details.
+cat > UU/cc.cbu <<'EOCBU'
+# This script UU/cc.cbu will get 'called-back' by Configure after it
+# has prompted the user for the C compiler to use.
+
+# Compile and run the a test case to see if a certain gcc bug is
+# present. If so, lower the optimization level when compiling
+# pp_pack.c.  This works around a bug in unpack.
+
+if test -z "$ccisgcc" -a -z "$gccversion"; then
+    : no tests needed for HPc
+else
+    echo " "
+    echo "Testing for a certain gcc bug is fixed in your compiler..."
+
+    # Try compiling the test case.
+    if $cc -o t001 -O $ccflags $ldflags -lm ../hints/t001.c; then
+       gccbug=`$run ./t001`
+       case "$gccbug" in
+           *fails*)
+               cat >&4 <<EOF
+This C compiler ($gccversion) is known to have optimizer
+problems when compiling pp_pack.c.
+
+Disabling optimization for pp_pack.c.
+EOF
+               case "$pp_pack_cflags" in
+                   '') pp_pack_cflags='optimize='
+                       echo "pp_pack_cflags='optimize=\"\"'" >> config.sh ;;
+                   *)  echo "You specified pp_pack_cflags yourself, so we'll go with your value." >&4 ;;
+                   esac
+               ;;
+           *)  echo "Your compiler is ok." >&4
+               ;;
+           esac
+    else
+       echo " "
+       echo "*** WHOA THERE!!! ***" >&4
+       echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
+       case "$knowitall" in
+           '') echo "    You'd better start hunting for one and let me know about it." >&4
+               exit 1
+               ;;
+           esac
+       fi
+
+    rm -f t001$_o t001$_exe
+    fi
+EOCBU
+
 cat >UU/uselargefiles.cbu <<'EOCBU'
 # This script UU/uselargefiles.cbu will get 'called-back' by Configure 
 # after it has prompted the user for whether to use large files.
@@ -553,12 +637,36 @@ EOM
 EOCBU
 
 # The mysterious io_xs memory corruption in 11.00 32bit seems to get
-# fixed by not using Perl's malloc.  
+# fixed by not using Perl's malloc.  Flip side is performance loss.
+# So we want mymalloc for all situations possible
+usemymalloc='y'
+case "$usethreads" in
+    $define|true|[yY]*) usemymalloc='n' ;;
+    *)  case "$ccisgcc" in
+           $undef|false|[nN]*)
+               case "$use64bitint" in
+                   $undef|false|[nN]*)
+                       case "$ccflags" in
+                           *-DDEBUGGING*) ;;
+                           *) usemymalloc='n' ;;
+                           esac
+                       ;;
+                   esac
+               ;;
+           esac
+       ;;
+    esac
+
 usemymalloc='n'
 case "$useperlio" in
     $undef|false|[nN]*) usemymalloc='y' ;;
     esac
 
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
 # fpclassify() is a macro, the library call is Fpclassify
 # Similarly with the others below.
 d_fpclassify='define'