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Upgrade warning should only be issued if upgrade happens
[perl5.git] / hints / hpux.sh
index 8623715..05d3a69 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
 
@@ -18,9 +20,9 @@ if [ "$xxOsRevMajor" -ge 10 ]; then
     # up to date with new CPU/OS releases.
     xxcpu=`getconf CPU_VERSION`; # Get the number.
     xxcpu=`printf '0x%x' $xxcpu`; # convert to hex
-    archname=`sed -n -e "s/^#[ \t]*define[ \t]*CPU_//p" /usr/include/sys/unistd.h |
-       sed -n -e "s/[ \t]*$xxcpu[ \t].*//p" |
-       sed -e s/_RISC/-RISC/ -e s/HP_// -e s/_/./`;
+    archname=`sed -n -e "s/^#[[:space:]]*define[[:space:]]*CPU_//p" /usr/include/sys/unistd.h |
+       sed -n -e "s/[[:space:]]*$xxcpu[[:space:]].*//p" |
+       sed -e s/_RISC/-RISC/ -e s/HP_// -e s/_/./ -e "s/[[:space:]]*//g"`;
 else
     # This system is running <= 9.x
     # Tested on 9.0[57] PA and [78].0 MC680[23]0.  Idea: After removing
@@ -32,68 +34,177 @@ else
     selecttype='int *'
     fi
 
+# For some strange reason, the u32align test from Configure hangs in
+# HP-UX 10.20 since the December 2001 patches.  So hint it to avoid
+# the test.
+if [ "$xxOsRevMajor" -le 10 ]; then
+    d_u32align=$define
+    fi
+
 echo "Archname is $archname"
 
+# Fix XSlib (CPAN) confusion when re-using a prefix but changing from ILP32
+# to LP64 builds.  They're NOT binary compatible, so quit claiming they are.
+archname64=LP64
 
-### HP-UX OS specific behaviour
 
-case "$ccflags" in
-'') cc_cppflags='' ;;
-*)  set `echo " $ccflags " | sed -e 's/ -A[ea] / /g' -e 's/ -D_HPUX_SOURCE / /'`
-    cc_cppflags="$* -D_HPUX_SOURCE"
-    ;;
-esac
-ccflags="-Ae $cc_cppflags"
-cppflags="-Aa -D__STDC_EXT__ $cc_cppflags"
-
-case "$prefix" in
-    "") prefix='/opt/perl5' ;;
-    esac
+### HP-UX OS specific behaviour
 
 # -ldbm is obsolete and should not be used
 # -lBSD contains BSD-style duplicates of SVR4 routines that cause confusion
 # -lPW is obsolete and should not be used
 # The libraries crypt, malloc, ndir, and net are empty.
-set `echo " $libswanted " | sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
+set `echo "X $libswanted " | sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
+shift
 libswanted="$*"
 
-# By setting the deferred flag below, this means that if you run perl
-# on a system that does not have the required shared library that you
-# linked it with, it will die when you try to access a symbol in the
-# (missing) shared library.  If you would rather know at perl startup
-# time that you are missing an important shared library, switch the
-# comments so that immediate, rather than deferred loading is
-# performed.  Even with immediate loading, you can postpone errors for
-# undefined (or multiply defined) routines until actual access by
-# adding the "nonfatal" option.
-# ccdlflags="-Wl,-E -Wl,-B,immediate $ccdlflags"
-# ccdlflags="-Wl,-E -Wl,-B,immediate,-B,nonfatal $ccdlflags"
-ccdlflags="-Wl,-E -Wl,-B,deferred $ccdlflags"
-
 cc=${cc:-cc}
+ar=/usr/bin/ar # Yes, truly override.  We do not want the GNU ar.
+full_ar=$ar    # I repeat, no GNU ar.  arrr.
 
-ar=/usr/bin/ar # Yes, truly override.  We do not want the GNU ar.
-full_ar=$ar    # I repeat, no GNU ar.  arrr.
+set `echo "X $ccflags " | sed -e 's/ -A[ea] / /' -e 's/ -D_HPUX_SOURCE / /'`
+shift
+       cc_cppflags="$* -D_HPUX_SOURCE"
+cppflags="-Aa -D__STDC_EXT__ $cc_cppflags"
+
+case "$prefix" in
+    "") prefix='/opt/perl5' ;;
+    esac
 
+    gnu_as=no
+    gnu_ld=no
 case `$cc -v 2>&1`"" in
-    *gcc*)  ccisgcc="$define" ;;
-    *)      ccisgcc=''
-           ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
-           case "`getconf KERNEL_BITS 2>/dev/null`" in
-               *64*) ldflags="$ldflags -Wl,+vnocompatwarnings" ;;
+    *gcc*)  ccisgcc="$define"
+           ccflags="$cc_cppflags"
+           if [ "X$gccversion" = "X" ]; then
+               # Done too late in Configure if hinted
+               gccversion=`$cc --version | sed 's/.*(GCC) *//'`
+               fi
+           case "$gccversion" in
+               [012]*) # HP-UX and gcc-2.* break UINT32_MAX :-(
+                       ccflags="$ccflags -DUINT32_MAX_BROKEN"
+                       ;;
+               [34]*) # GCC (both 32bit and 64bit) will define __STDC_EXT__
+                       # by default when using GCC 3.0 and newer versions of
+                       # the compiler.
+                       cppflags="$cc_cppflags"
+                       ;;
                esac
-           case "$d_casti32" in
-               "") d_casti32='undef' ;;
+           case "`getconf KERNEL_BITS 2>/dev/null`" in
+               *64*)
+                   echo "main(){}">try.c
+                   case "$gccversion" in
+                       [34]*)
+                           case "$archname" in
+                               PA-RISC*)
+                                   case "$ccflags" in
+                                       *-mpa-risc*) ;;
+                                       *) ccflags="$ccflags -mpa-risc-2-0" ;;
+                                       esac
+                                   ;;
+                               esac
+                           ;;
+                       *)  # gcc with gas will not accept +DA2.0
+                           case "`$cc -c -Wa,+DA2.0 try.c 2>&1`" in
+                               *"+DA2.0"*)             # gas
+                                   gnu_as=yes
+                                   ;;
+                               *)                      # HPas
+                                   ccflags="$ccflags -Wa,+DA2.0"
+                                   ;;
+                               esac
+                           ;;
+                       esac
+                   # gcc with gld will not accept +vnocompatwarnings
+                   case "`$cc -o try -Wl,+vnocompatwarnings try.c 2>&1`" in
+                       *"+vnocompat"*)         # gld
+                           gnu_ld=yes
+                           ;;
+                       *)                      # HPld
+                          case "$gccversion" in
+                              [12]*)
+                                  # Why not 3 as well here?
+                                  # Since not relevant to IA64, not changed.
+                                  ldflags="$ldflags -Wl,+vnocompatwarnings"
+                                  ccflags="$ccflags -Wl,+vnocompatwarnings"
+                                  ;;
+                              esac
+                           ;;
+                       esac
+                   rm -f try.c
+                   ;;
                esac
            ;;
+    *)      ccisgcc=''
+           # 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}/for Integrity/{print $7}'`
+           case "$ccflags" in
+               "-Ae "*) ;;
+               *)  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='-'
+           cppminus='-'
+           cppstdin='cc -E -Aa -D__STDC_EXT__'
+           cpprun=$cppstdin
+#          case "$d_casti32" in
+#              "") d_casti32='undef' ;;
+#              esac
+           ;;
     esac
 
 # When HP-UX runs a script with "#!", it sets argv[0] to the script name.
 toke_cflags='ccflags="$ccflags -DARG_ZERO_IS_SCRIPT"'
 
-
 ### 64 BITNESS
 
+# Some gcc versions do native 64 bit long (e.g. 2.9-hppa-000310 and gcc-3.0)
+# We have to force 64bitness to go search the right libraries
+    gcc_64native=no
+case "$ccisgcc" in
+    $define|true|[Yy])
+       echo '#include <stdio.h>\nint main(){long l;printf("%d\\n",sizeof(l));}'>try.c
+       $cc -o try $ccflags $ldflags try.c
+       if [ "`try`" = "8" ]; then
+           case "$use64bitall" in
+               $define|true|[Yy]) ;;
+               *)  cat <<EOM >&4
+
+*** This version of gcc uses 64 bit longs. -Duse64bitall is
+*** implicitly set to enable continuation
+EOM
+               esac
+           use64bitall=$define
+           gcc_64native=yes
+           fi
+       ;;
+    esac
+
 case "$use64bitall" in
     $define|true|[yY]*) use64bitint="$define" ;;
     esac
@@ -102,14 +213,23 @@ case "$usemorebits" in
     $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
     esac
 
-case "$uselongdouble" in
-    $define|true|[yY]*)
-       cat <<EOM >&4
+case "$archname" in
+    IA64*)
+       # While here, override so=sl auto-detection
+       so='so'
+       ;;
+    *)
+       case "$uselongdouble" in
+           *) ;;
+           $define|true|[yY]*)
+               cat <<EOM >&4
 
 *** long doubles are not (yet) supported on HP-UX (any version)
 *** Until it does, we cannot continue, aborting.
 EOM
-       exit 1 ;;
+               exit 1 ;;
+           esac
+       ;;
     esac
 
 case "$use64bitint" in
@@ -130,7 +250,7 @@ EOM
            PA-RISC*)
                loclibpth="$loclibpth /lib/pa20_64"
                libc='/lib/pa20_64/libc.sl' ;;
-           IA64*) 
+           IA64*)
                loclibpth="$loclibpth /usr/lib/hpux64"
                libc='/usr/lib/hpux64/libc.so' ;;
            esac
@@ -144,11 +264,38 @@ EOM
            exit 1
            fi
 
-       ccflags="$ccflags +DD64"
-       ldflags="$ldflags +DD64"
+       case "$ccisgcc" in
+           $define|true|[Yy])
+               # For the moment, don't care that it ain't supported (yet)
+               # by gcc (up to and including 2.95.3), cause it'll crash
+               # anyway. Expect auto-detection of 64-bit enabled gcc on
+               # HP-UX soon, including a user-friendly exit
+               case $gcc_64native in
+                   no) case "$gccversion" in
+                           [1234]*)
+                               ccflags="$ccflags -mlp64"
+                               case "$archname" in
+                                   PA-RISC*)
+                                       ldflags="$ldflags -Wl,+DD64"
+                                       ;;
+                                   IA64*)
+                                       ldflags="$ldflags -mlp64"
+                                       ;;
+                                   esac
+                                   ;;
+                           esac
+                       ;;
+                   esac
+               ;;
+           *)
+               ccflags="$ccflags +DD64"
+               ldflags="$ldflags +DD64"
+               ;;
+           esac
 
        # Reset the library checker to make sure libraries
        # are the right type
+       # (NOTE: on IA64, this doesn't work with .a files.)
        libscheck='case "`/usr/bin/file $xxx`" in
                       *ELF-64*|*LP64*|*PA-RISC2.0*) ;;
                       *) xxx=/no/64-bit$xxx ;;
@@ -161,54 +308,207 @@ EOM
        case "$archname" in
            PA-RISC*)
                libc='/lib/libc.sl' ;;
-           IA64*) 
+           IA64*)
                loclibpth="$loclibpth /usr/lib/hpux32"
                libc='/usr/lib/hpux32/libc.so' ;;
            esac
        ;;
     esac
 
+# By setting the deferred flag below, this means that if you run perl
+# on a system that does not have the required shared library that you
+# linked it with, it will die when you try to access a symbol in the
+# (missing) shared library.  If you would rather know at perl startup
+# time that you are missing an important shared library, switch the
+# comments so that immediate, rather than deferred loading is
+# performed.  Even with immediate loading, you can postpone errors for
+# undefined (or multiply defined) routines until actual access by
+# adding the "nonfatal" option.
+# ccdlflags="-Wl,-E -Wl,-B,immediate $ccdlflags"
+# ccdlflags="-Wl,-E -Wl,-B,immediate,-B,nonfatal $ccdlflags"
+if [ "$gnu_ld" = "yes" ]; then
+    ccdlflags="-Wl,-E $ccdlflags"
+else
+    ccdlflags="-Wl,-E -Wl,-B,deferred $ccdlflags"
+    fi
+
 
 ### COMPILER SPECIFICS
 
+## Local restrictions (point to README.hpux to lift these)
+
+## Optimization limits
+cat >try.c <<EOF
+#include <stdio.h>
+#include <sys/resource.h>
+
+int main ()
+{
+    struct rlimit rl;
+    int i = getrlimit (RLIMIT_DATA, &rl);
+    printf ("%d\n", (int)(rl.rlim_cur / (1024 * 1024)));
+    } /* main */
+EOF
+$cc -o try $ccflags $ldflags try.c
+       maxdsiz=`try`
+rm -f try try.c core
+if [ $maxdsiz -le 64 ]; then
+    # 64 Mb is probably not enough to optimize toke.c
+    # and regexp.c with -O2
+    cat <<EOM >&4
+Your kernel limits the data section of your programs to $maxdsiz Mb,
+which is (sadly) not enough to fully optimize some parts of the
+perl binary. I'll try to use a lower optimization level for
+those parts. If you are a sysadmin, and you *do* want full
+optimization, raise the 'maxdsiz' kernel configuration parameter
+to at least 0x08000000 (128 Mb) and rebuild your kernel.
+EOM
+regexec_cflags=''
+doop_cflags=''
+    fi
+
 case "$ccisgcc" in
     $define|true|[Yy])
-       
+
        case "$optimize" in
-           "") optimize="-g -O" ;;
+           "")           optimize="-g -O" ;;
+           *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
            esac
-       ld="$cc"
+       #ld="$cc"
+       ld=/usr/bin/ld
        cccdlflags='-fPIC'
-       lddlflags='-shared'
+       #lddlflags='-shared'
+       lddlflags='-b'
+       case "$optimize" in
+           *-g*-O*|*-O*-g*)
+               # gcc without gas will not accept -g
+               echo "main(){}">try.c
+               case "`$cc $optimize -c try.c 2>&1`" in
+                   *"-g option disabled"*)
+                       set `echo "X $optimize " | sed -e 's/ -g / /'`
+                       shift
+                       optimize="$*"
+                       ;;
+                   esac
+               ;;
+           esac
+       if [ $maxdsiz -le 64 ]; then
+           case "$optimize" in
+               *O2*)   opt=`echo "$optimize" | sed -e 's/O2/O1/'`
+                       toke_cflags="$toke_cflags;optimize=\"$opt\""
+                       regexec_cflags="optimize=\"$opt\""
+                       ;;
+               esac
+           fi
        ;;
 
     *) # HP's compiler cannot combine -g and -O
        case "$optimize" in
-           "") optimize="-O" ;;
+           "")           optimize="+O2 +Onolimit" ;;
+           *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
            esac
+       case "$optimize" in
+           *-O*|\
+           *O2*)   opt=`echo "$optimize" | sed -e 's/-O/+O2/' -e 's/O2/O1/' -e 's/ *+Onolimit//'`
+                   ;;
+           *)      opt="$optimize"
+                   ;;
+           esac
+       case "$archname" in
+           IA64*)
+               case "$ccversion" in
+                   B3910B*A.06.0[12345])
+                       # > cc --version
+                       # cc: HP aC++/ANSI C B3910B A.06.05 [Jul 25 2005]
+                       # Has optimizing problems with -O2 and up for both
+                       # maint (5.8.8+) and blead (5.9.3+)
+                       # -O1/+O1 passed all tests (m)'05 [ 10 Jan 2005 ]
+                       optimize="$opt"                 ;;
+                   *)  doop_cflags="optimize=\"$opt\"" ;;
+                   esac
+               ;;
+           esac
+       if [ $maxdsiz -le 64 ]; then
+           toke_cflags="$toke_cflags;optimize=\"$opt\""
+           regexec_cflags="optimize=\"$opt\""
+           fi
        ld=/usr/bin/ld
        cccdlflags='+Z'
-       lddlflags='-b'
+       lddlflags='-b +vnocompatwarnings'
        ;;
     esac
 
-
 ## LARGEFILES
+if [ $xxOsRev -lt 1020 ]; then
+    uselargefiles="$undef"
+    fi
 
-case "$uselargefiles-$ccisgcc" in
-    "$define-$define"|'-define') 
-       cat <<EOM >&4
-
-*** I'm ignoring large files for this build because
-*** I don't know how to do use large files in HP-UX using gcc.
-
-EOM
-       uselargefiles="$undef"
-       ;;
-    esac
+#case "$uselargefiles-$ccisgcc" in
+#    "$define-$define"|'-define')
+#      cat <<EOM >&4
+#
+#*** I'm ignoring large files for this build because
+#*** I don't know how to do use large files in HP-UX using gcc.
+#
+#EOM
+#      uselargefiles="$undef"
+#      ;;
+#    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 
+# This script UU/uselargefiles.cbu will get 'called-back' by Configure
 # after it has prompted the user for whether to use large files.
 case "$uselargefiles" in
     ""|$define|true|[yY]*)
@@ -216,9 +516,12 @@ case "$uselargefiles" in
        # but we cheat for now.  (Keep that in the left margin.)
 ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 
-       ccflags="$ccflags $ccflags_uselargefiles"
+       case " $ccflags " in
+       *" $ccflags_uselargefiles "*) ;;
+       *) ccflags="$ccflags $ccflags_uselargefiles" ;;
+       esac
 
-        if test -z "$ccisgcc" -a -z "$gccversion"; then
+       if test -z "$ccisgcc" -a -z "$gccversion"; then
            # The strict ANSI mode (-Aa) doesn't like large files.
            ccflags=`echo " $ccflags "|sed 's@ -Aa @ @g'`
            case "$ccflags" in
@@ -232,7 +535,7 @@ EOCBU
 
 # THREADING
 
-# This script UU/usethreads.cbu will get 'called-back' by Configure 
+# 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
@@ -253,6 +556,27 @@ EOM
                if [ -f /usr/lib/libcma.sl ]; then
                    # DCE (from Core OS CD) is installed
 
+                  # Check if it is pristine, or patched
+                  cmavsn=`what /usr/lib/libcma.sl 2>&1 | grep 1996`
+                  if [ ! -z "$cmavsn" ]; then
+                      cat <<EOM >&4
+\a
+***************************************************************************
+
+Perl will support threading through /usr/lib/libcma.sl from
+the HP DCE package, but the version found is too old to be
+reliable.
+
+If you are not depending on this specific version of the library,
+consider to upgrade using patch PHSS_23672 (read README.hpux)
+
+***************************************************************************
+
+(sleeping for 10 seconds...)
+EOM
+                      sleep 10
+                      fi
+
                    # It needs # libcma and OLD_PTHREADS_API. Also
                    # <pthread.h> needs to be #included before any
                    # other includes (in perl.h)
@@ -266,6 +590,21 @@ EOM
                    # tell perl.h to include <pthread.h> before other
                    # include files
                    ccflags="$ccflags -DPTHREAD_H_FIRST"
+# First column on purpose:
+# this is not a standard Configure variable
+# but we need to get this noticed.
+pthread_h_first="$define"
+
+                   # HP-UX 10.X seems to have no easy
+                   # way of detecting these *time_r protos.
+                   d_gmtime_r_proto='define'
+                   gmtime_r_proto='REENTRANT_PROTO_I_TS'
+                   d_localtime_r_proto='define'
+                   localtime_r_proto='REENTRANT_PROTO_I_TS'
+
+                   # Avoid the poisonous conflicting (and irrelevant)
+                   # prototypes of setkey ().
+                   i_crypt="$undef"
 
                    # CMA redefines select to cma_select, and cma_select
                    # expects int * instead of fd_set * (just like 9.X)
@@ -300,13 +639,56 @@ EOM
                fi
        else
            # 12 may want upping the _POSIX_C_SOURCE datestamp...
-           ccflags=" -D_POSIX_C_SOURCE=199506L $ccflags"
+           ccflags=" -D_POSIX_C_SOURCE=199506L -D_REENTRANT $ccflags"
            set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
            shift
            libswanted="$*"
            fi
 
-       usemymalloc='n'
        ;;
     esac
 EOCBU
+
+# There used to be:
+#  The mysterious io_xs memory corruption in 11.00 32bit seems to get
+#  fixed by not using Perl's malloc.  Flip side is performance loss.
+#  So we want mymalloc for all situations possible
+# That set usemymalloc to 'n' for threaded builds and non-gcc 32bit
+#  non-debugging builds and 'y' for all others
+
+usemymalloc='n'
+case "$useperlio" in
+    $undef|false|[nN]*) usemymalloc='y' ;;
+    esac
+
+# malloc wrap works
+case "$usemallocwrap" in
+    '') usemallocwrap='define' ;;
+    esac
+
+# ctime_r () and asctime_r () seem to have issues for versions before
+# HP-UX 11
+if [ $xxOsRevMajor -lt 11 ]; then
+    d_ctime_r="$undef"
+    d_asctime_r="$undef"
+    fi
+
+
+# fpclassify () is a macro, the library call is Fpclassify
+# Similarly with the others below.
+d_fpclassify='define'
+d_isnan='define'
+d_isinf='define'
+d_isfinite='define'
+d_unordered='define'
+# Next one(s) need the leading tab.  These are special 'hint' symbols that
+# are not to be propagated to config.sh, all related to pthreads draft 4
+# interfaces.
+case "$d_oldpthreads" in
+    ''|$undef)
+       d_crypt_r_proto='undef'
+       d_getgrent_r_proto='undef'
+       d_getpwent_r_proto='undef'
+       d_strerror_r_proto='undef'
+       ;;
+    esac