Less warnings during configure

[p5sagit/p5-mst-13.2.git] / hints / hpux.sh

diff --git a/hints/hpux.sh b/hints/hpux.sh
index 5f28e79..ebb70ea 100644 (file)
--- a/hints/hpux.sh
+++ b/hints/hpux.sh
@@ -37,27 +37,65 @@ echo "Archname is $archname"
 
 ### HP-UX OS specific behaviour
 
-# Initial setting of some flags
-ccflags="$ccflags -D_HPUX_SOURCE"
-ldflags="$ldflags -D_HPUX_SOURCE"
+# -ldbm is obsolete and should not be used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+# -lPW is obsolete and should not be used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 "X $libswanted " | sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
+shift
+libswanted="$*"
 
-# When HP-UX runs a script with "#!", it sets argv[0] to the script name.
-toke_cflags='ccflags="$ccflags -DARG_ZERO_IS_SCRIPT"'
+# 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.
+
+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
+
 case `$cc -v 2>&1`"" in
-    *gcc*) ccisgcc="$define" ;;
-    *)     ccisgcc=''
-          ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
-          case "$d_casti32" in
-              "") d_casti32='undef' ;;
-              esac
-          ;;
+    *gcc*)  ccisgcc="$define"
+           ccflags="$cc_cppflags -Wl,+vnocompatwarnings"
+           case "`getconf KERNEL_BITS 2>/dev/null`" in
+               *64*)   ldflags="$ldflags -Wl,+vnocompatwarnings"
+                       ccflags="$ccflags -Wl,+vnocompatwarnings -Wa,+DA2.0"
+                       ;;
+               esac
+           ;;
+    *)      ccisgcc=''
+           ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
+           ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings"
+           # Needed because cpp does only support -Aa (not -Ae)
+           cpplast='-'
+           cppminus='-'
+           cppstdin='cc -E -Aa -D__STDC_EXT__'
+           cpprun=$cppstdin
+           case "$d_casti32" in
+               "") d_casti32='undef' ;;
+               esac
+           ;;
     esac
 
-set `echo X "$libswanted "| sed -e 's/ BSD//' -e 's/ PW//'`
-shift
-libswanted="$*"
+# 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
@@ -143,37 +181,54 @@ 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
        ;;
 
     *) # 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
        ld=/usr/bin/ld
        cccdlflags='+Z'
-       lddlflags='-b'
+       lddlflags='-b +vnocompatwarnings'
        ;;
     esac
 
 
 ## LARGEFILES
 
-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
 
 cat >UU/uselargefiles.cbu <<'EOCBU'
 # This script UU/uselargefiles.cbu will get 'called-back' by Configure