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HP-UX 10.20 still *needs* -Ae for HP C-ANSI-C to be ANSI
[perl5.git] / hints / hpux.sh
index 21ad30c..8fe7092 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
@@ -32,8 +34,19 @@ 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
 
@@ -63,18 +76,43 @@ case "$prefix" in
 case `$cc -v 2>&1`"" in
     *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"
+                       ;;
+               3*)     # GCC (both 32bit and 64bit) will define __STDC_EXT__
+                       # by default when using GCC 3.0 and newer versions of
+                       # the compiler.
+                       cppflags="$cc_cppflags"
+                       ;;
+               esac
            case "`getconf KERNEL_BITS 2>/dev/null`" in
                *64*)
                    echo "main(){}">try.c
-                   # gcc with gas will not accept +DA2.0
-                   case "`$cc -c -Wa,+DA2.0 try.c 2>&1`" in
-                       *"+DA2.0"*)             # gas
-                           gnu_as=yes
+                   case "$gccversion" in
+                       3*)
+                           case "$archname" in
+                               PA-RISC*)
+                                   case "$ccflags" in
+                                       *-mpa-risc*) ;;
+                                       *) ccflags="$ccflags -mpa-risc-2-0" ;;
+                                       esac
+                                   ;;
+                               esac
                            ;;
-                       *)                      # HPas
-                           case "$gccversion" in
-                               [12]*) ccflags="$ccflags -Wa,+DA2.0" ;;
-                               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
@@ -83,28 +121,39 @@ case `$cc -v 2>&1`"" in
                            gnu_ld=yes
                            ;;
                        *)                      # HPld
-                           case "$gccversion" in
-                               [12]*)
-                                   ldflags="$ldflags -Wl,+vnocompatwarnings"
-                                   ccflags="$ccflags -Wl,+vnocompatwarnings"
-                                   ;;
-                               esac
+                          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=''
-           ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
-           ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings"
+           ccversion=`which cc | xargs what | awk '/Compiler/{print $2}/Itanium/{print $6,$7}'`
+           case "$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
+#          case "$d_casti32" in
+#              "") d_casti32='undef' ;;
+#              esac
            ;;
     esac
 
@@ -118,7 +167,7 @@ toke_cflags='ccflags="$ccflags -DARG_ZERO_IS_SCRIPT"'
     gcc_64native=no
 case "$ccisgcc" in
     $define|true|[Yy])
-       echo 'int main(){long l;printf("%d\\n",sizeof(l));}'>try.c
+       echo 'int main(){long l;printf("%d\\n",sizeof(l));}'>try.c
        $cc -o try $ccflags $ldflags try.c
        if [ "`try`" = "8" ]; then
            cat <<EOM >&4
@@ -140,14 +189,23 @@ case "$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
@@ -189,8 +247,18 @@ EOM
                # anyway. Expect auto-detection of 64-bit enabled gcc on
                # HP-UX soon, including a user-friendly exit
                case $gcc_64native in
-                   no) ccflags="$ccflags -mlp64"
-                       ldflags="$ldflags -Wl,+DD64"
+                   no) case "$gccversion" in
+                           [123]*) ccflags="$ccflags -mlp64"
+                                   case "$archname" in
+                                       PA-RISC*)
+                                           ldflags="$ldflags -Wl,+DD64"
+                                           ;;
+                                       IA64*)
+                                           ldflags="$ldflags -mlp64"
+                                           ;;
+                                       esac
+                                   ;;
+                           esac
                        ;;
                    esac
                ;;
@@ -202,6 +270,7 @@ EOM
 
        # 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 ;;
@@ -256,6 +325,7 @@ int 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
@@ -268,6 +338,7 @@ optimization, raise the 'maxdsiz' kernel configuration parameter
 to at least 0x08000000 (128 Mb) and rebuild your kernel.
 EOM
 regexec_cflags=''
+doop_cflags=''
     fi
 
 case "$ccisgcc" in
@@ -310,15 +381,22 @@ case "$ccisgcc" in
            "")           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
        if [ $maxdsiz -le 64 ]; then
-           case "$optimize" in
-               *-O*|\
-               *O2*)   opt=`echo "$optimize" | sed -e 's/-O/+O2/' -e 's/O2/O1/' -e 's/ *+Onolimit//'`
-                       toke_cflags="$toke_cflags;optimize=\"$opt\""
-                       regexec_cflags="optimize=\"$opt\""
-                       ;;
-               esac
+           toke_cflags="$toke_cflags;optimize=\"$opt\""
+           regexec_cflags="optimize=\"$opt\""
            fi
+       case "$archname" in
+           IA64*)
+               doop_cflags="optimize=\"$opt\""
+               ;;
+           esac
        ld=/usr/bin/ld
        cccdlflags='+Z'
        lddlflags='-b +vnocompatwarnings'
@@ -326,6 +404,9 @@ case "$ccisgcc" in
     esac
 
 ## LARGEFILES
+if [ $xxOsRev -lt 1020 ]; then
+    uselargefiles="$undef"
+    fi
 
 #case "$uselargefiles-$ccisgcc" in
 #    "$define-$define"|'-define') 
@@ -339,6 +420,58 @@ 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$_exe
+    fi
+EOCBU
+
 cat >UU/uselargefiles.cbu <<'EOCBU'
 # This script UU/uselargefiles.cbu will get 'called-back' by Configure 
 # after it has prompted the user for whether to use large files.
@@ -348,9 +481,12 @@ case "$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
@@ -385,6 +521,27 @@ 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 "$cmavsn" ]; then
+                      cat <<EOM >&4
+\a
+***************************************************************************
+
+Perl will support threading through /usr/lib/libcma.sl from
+the HP DCE package, but the version found is too old to be
+reliable.
+
+If you are not depending on this specific version of the library,
+consider to upgrade using patch PHSS_23672 (read README.hpux)
+
+***************************************************************************
+
+(sleeping for 10 seconds...)
+EOM
+                      sleep 10
+                      fi
+
                    # It needs # libcma and OLD_PTHREADS_API. Also
                    # <pthread.h> needs to be #included before any
                    # other includes (in perl.h)
@@ -398,6 +555,21 @@ EOM
                    # tell perl.h to include <pthread.h> before other
                    # include files
                    ccflags="$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)
@@ -432,13 +604,62 @@ 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
+
+# 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
+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'
+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