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

#!/usr/bin/sh

### SYSTEM ARCHITECTURE

# 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`;
if [ "$xxOsRevMajor" -ge 10 ]; then
    # This system is running >= 10.x

    # Tested on 10.01 PA1.x and 10.20 PA[12].x.
    # Idea: Scan /usr/include/sys/unistd.h for matches with
    # "#define CPU_* `getconf # CPU_VERSION`" to determine CPU type.
    # Note the text following "CPU_" is used, *NOT* the comment.
    #
    # ASSUMPTIONS: Numbers will continue to be defined in hex -- and in
    # /usr/include/sys/unistd.h -- and the CPU_* #defines will be kept
    # 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/_/./`;
else
    # This system is running <= 9.x
    # Tested on 9.0[57] PA and [78].0 MC680[23]0.  Idea: After removing
    # MC6888[12] from context string, use first CPU identifier.
    #
    # ASSUMPTION: Only CPU identifiers contain no lowercase letters.
    archname=`getcontext | tr ' ' '\012' | grep -v '[a-z]' | grep -v MC688 |
	sed -e 's/HP-//' -e 1q`;
    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"


### 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# -ldbm is obsolete and should not be used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# -lPW is obsolete and should not be used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 "X $libswanted " | sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
shift
libswanted="$*"

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

    gnu_as=no
    gnu_ld=no
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=`$cc --version`
		fi
	    case "`getconf KERNEL_BITS 2>/dev/null`" in
		*64*)
		    echo "main(){}">try.c
		    case "$gccversion" in
			3*) ccflags="$ccflags -mpa-risc-2-0"
			    ;;
			*)  # gcc with gas will not accept +DA2.0
			    case "`$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 "$gccversion" in
                               [12]*)
                                   ldflags="$ldflags -Wl,+vnocompatwarnings"
                                   ccflags="$ccflags -Wl,+vnocompatwarnings"
                                   ;;
                               esac
			    ;;
			esac
		    rm -f try.c
		    ;;
		esac
	    ;;
    *)      ccisgcc=''
	    ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
	    case "$ccflags" in
	    "-Ae "*) ;;
	    *) ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings" ;;
	    esac
	    # Needed because cpp does only support -Aa (not -Ae)
	    cpplast='-'
	    cppminus='-'
	    cppstdin='cc -E -Aa -D__STDC_EXT__'
	    cpprun=$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 '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

*** This version of gcc uses 64 bit longs. -Duse64bitall is
*** implicitly set to enable continuation
EOM
	    use64bitall=$define
	    gcc_64native=yes
	    fi
	;;
    esac

case "$use64bitall" in
    $define|true|[yY]*) use64bitint="$define" ;;
    esac

case "$usemorebits" in
    $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
    esac

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 ;;
    esac

case "$use64bitint" in
    $define|true|[Yy])

	if [ "$xxOsRevMajor" -lt 11 ]; then
	    cat <<EOM >&4

*** 64-bit compilation is not supported on HP-UX $xxOsRevMajor.
*** You need at least HP-UX 11.0.
*** Cannot continue, aborting.
EOM
	    exit 1
	    fi

	# Set libc and the library paths
	case "$archname" in
	    PA-RISC*)
		loclibpth="$loclibpth /lib/pa20_64"
		libc='/lib/pa20_64/libc.sl' ;;
	    IA64*) 
		loclibpth="$loclibpth /usr/lib/hpux64"
		libc='/usr/lib/hpux64/libc.so' ;;
	    esac
	if [ ! -f "$libc" ]; then
	    cat <<EOM >&4

*** You do not seem to have the 64-bit libc.
*** I cannot find the file $libc.
*** Cannot continue, aborting.
EOM
	    exit 1
	    fi

	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
			    [12]*)  ccflags="$ccflags -mlp64"
				    ldflags="$ldflags -Wl,+DD64"
				    ;;
			    esac
			;;
		    esac
		;;
	    *)
		ccflags="$ccflags +DD64"
		ldflags="$ldflags +DD64"
		;;
	    esac

	# Reset the library checker to make sure libraries
	# are the right type
	libscheck='case "`/usr/bin/file $xxx`" in
		       *ELF-64*|*LP64*|*PA-RISC2.0*) ;;
		       *) xxx=/no/64-bit$xxx ;;
		       esac'

	;;

    *)	# Not in 64-bit mode

	case "$archname" in
	    PA-RISC*)
		libc='/lib/libc.sl' ;;
	    IA64*) 
		loclibpth="$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 <sys/resource.h>

int main ()
{
    struct rlimit rl;
    int i = getrlimit (RLIMIT_DATA, &rl);
    printf ("%d\n", 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=''
    fi

case "$ccisgcc" in
    $define|true|[Yy])
	
	case "$optimize" in
	    "")           optimize="-g -O" ;;
	    *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
	    esac
	#ld="$cc"
	ld=/usr/bin/ld
	cccdlflags='-fPIC'
	#lddlflags='-shared'
	lddlflags='-b'
	case "$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 "$optimize" in
	    "")           optimize="+O2 +Onolimit" ;;
	    *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
	    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
	    fi
	ld=/usr/bin/ld
	cccdlflags='+Z'
	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

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.
case "$uselargefiles" in
    ""|$define|true|[yY]*)
	# there are largefile flags available via getconf(1)
	# but we cheat for now.  (Keep that in the left margin.)
ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"

	case "$ccflags" in
	*" $ccflags_uselargefiles") ;;
	*) ccflags="$ccflags $ccflags_uselargefiles" ;;
	esac

        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
		*-Ae*) ;;
		*)     ccflags="$ccflags -Ae" ;;
		esac
	    fi
	;;
    esac
EOCBU

# THREADING

# 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
    $define|true|[yY]*)
	if [ "$xxOsRevMajor" -lt 10 ]; then
	    cat <<EOM >&4

HP-UX $xxOsRevMajor cannot support POSIX threads.
Consider upgrading to at least HP-UX 11.
Cannot continue, aborting.
EOM
	    exit 1
	    fi

	if [ "$xxOsRevMajor" -eq 10 ]; then
	    # Under 10.X, a threaded perl can be built
	    if [ -f /usr/include/pthread.h ]; then
		if [ -f /usr/lib/libcma.sl ]; then
		    # DCE (from Core OS CD) is installed

		    # It needs # libcma and OLD_PTHREADS_API. Also
		    # <pthread.h> needs to be #included before any
		    # other includes (in perl.h)

		    # HP-UX 10.X uses the old pthreads API
		    d_oldpthreads="$define"

		    # include libcma before all the others
		    libswanted="cma $libswanted"

		    # tell perl.h to include <pthread.h> before other
		    # include files
		    ccflags="$ccflags -DPTHREAD_H_FIRST"

		    # CMA redefines select to cma_select, and cma_select
		    # expects int * instead of fd_set * (just like 9.X)
		    selecttype='int *'

		elif [ -f /usr/lib/libpthread.sl ]; then
		    # PTH package is installed
		    libswanted="pthread $libswanted"
		else
		    libswanted="no_threads_available"
		    fi
	    else
		libswanted="no_threads_available"
		fi

	    if [ $libswanted = "no_threads_available" ]; then
		cat <<EOM >&4

In HP-UX 10.X for POSIX threads you need both of the files
/usr/include/pthread.h and either /usr/lib/libcma.sl or /usr/lib/libpthread.sl.
Either you must upgrade to HP-UX 11 or install a posix thread library:

    DCE-CoreTools from HP-UX 10.20 Hardware Extensions 3.0 CD (B3920-13941)

or

    PTH package from e.g. http://hpux.tn.tudelft.nl/hppd/hpux/alpha.html

Cannot continue, aborting.
EOM
		exit 1
		fi
	else
	    # 12 may want upping the _POSIX_C_SOURCE datestamp...
	    ccflags=" -D_POSIX_C_SOURCE=199506L $ccflags"
	    set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
	    shift
	    libswanted="$*"
	    fi

	usemymalloc='n'
	;;
    esac
EOCBU

# fpclassify() is a macro, the library call is Fpclassify
d_fpclassify='define'
Commit	Line	Data
1dc48e02	1	#!/usr/bin/sh
8e07c86e	2
1dc48e02	3	### SYSTEM ARCHITECTURE
8e07c86e	4
1dc48e02	5	# Determine the architecture type of this system.
	6	# Keep leading tab below -- Configure Black Magic -- RAM, 03/02/97
	7	xxOsRevMajor=`uname -r \| sed -e 's/^[^0-9]*//' \| cut -d. -f1`;
	8	if [ "$xxOsRevMajor" -ge 10 ]; then
	9	# This system is running >= 10.x
	10
	11	# Tested on 10.01 PA1.x and 10.20 PA[12].x.
	12	# Idea: Scan /usr/include/sys/unistd.h for matches with
	13	# "#define CPU_* `getconf # CPU_VERSION`" to determine CPU type.
	14	# Note the text following "CPU_" is used, NOT the comment.
	15	#
	16	# ASSUMPTIONS: Numbers will continue to be defined in hex -- and in
	17	# /usr/include/sys/unistd.h -- and the CPU_* #defines will be kept
	18	# up to date with new CPU/OS releases.
	19	xxcpu=`getconf CPU_VERSION`; # Get the number.
	20	xxcpu=`printf '0x%x' $xxcpu`; # convert to hex
	21	archname=`sed -n -e "s/^#[ \t]define[ \t]CPU_//p" /usr/include/sys/unistd.h \|
	22	sed -n -e "s/[ \t]$xxcpu[ \t].//p" \|
	23	sed -e s/_RISC/-RISC/ -e s/HP_// -e s/_/./`;
	24	else
	25	# This system is running <= 9.x
	26	# Tested on 9.0[57] PA and [78].0 MC680[23]0. Idea: After removing
	27	# MC6888[12] from context string, use first CPU identifier.
	28	#
	29	# ASSUMPTION: Only CPU identifiers contain no lowercase letters.
	30	archname=`getcontext \| tr ' ' '\012' \| grep -v '[a-z]' \| grep -v MC688 \|
	31	sed -e 's/HP-//' -e 1q`;
	32	selecttype='int *'
8e07c86e	33	fi
303aa268	34	# For some strange reason, the u32align test from Configure hangs in
	35	# HP-UX 10.20 since the December 2001 patches. So hint it to avoid
	36	# the test.
2da79f33	37	if [ "$xxOsRevMajor" -le 10 ]; then
	38	d_u32align=$define
	39	fi
8e07c86e	40
1dc48e02	41	echo "Archname is $archname"
	42
	43
	44	### HP-UX OS specific behaviour
5e4c82f0	45
e08bfeb2	46	# -ldbm is obsolete and should not be used
	47	# -lBSD contains BSD-style duplicates of SVR4 routines that cause confusion
	48	# -lPW is obsolete and should not be used
	49	# The libraries crypt, malloc, ndir, and net are empty.
c723583c	50	set `echo "X $libswanted " \| sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
c723583c	51	shift
e08bfeb2	52	libswanted="$*"
e08bfeb2	53
1dc48e02	54	cc=${cc:-cc}
c723583c	55	ar=/usr/bin/ar # Yes, truly override. We do not want the GNU ar.
c723583c	56	full_ar=$ar # I repeat, no GNU ar. arrr.
167d2fcb	57
c723583c	58	set `echo "X $ccflags " \| sed -e 's/ -A[ea] / /' -e 's/ -D_HPUX_SOURCE / /'`
	59	shift
	60	cc_cppflags="$* -D_HPUX_SOURCE"
	61	cppflags="-Aa -D__STDC_EXT__ $cc_cppflags"
	62
	63	case "$prefix" in
	64	"") prefix='/opt/perl5' ;;
	65	esac
0f3ba31f	66
dcd01700	67	gnu_as=no
dcd01700	68	gnu_ld=no
b36fec95	69	case `$cc -v 2>&1`"" in
c723583c	70	gcc) ccisgcc="$define"
dcd01700	71	ccflags="$cc_cppflags"
16c1da12	72	if [ "X$gccversion" = "X" ]; then
	73	# Done too late in Configure if hinted
	74	gccversion=`$cc --version`
	75	fi
0f3ba31f	76	case "`getconf KERNEL_BITS 2>/dev/null`" in
dcd01700	77	64)
eb9ee3dc	78	echo "main(){}">try.c
16c1da12	79	case "$gccversion" in
16c1da12	80	3*) ccflags="$ccflags -mpa-risc-2-0"
dcd01700	81	;;
eb9ee3dc	82	*) # gcc with gas will not accept +DA2.0
16c1da12	83	case "`$cc -c -Wa,+DA2.0 try.c 2>&1`" in
	84	"+DA2.0") # gas
	85	gnu_as=yes
	86	;;
	87	*) # HPas
	88	ccflags="$ccflags -Wa,+DA2.0"
	89	;;
	90	esac
dcd01700	91	;;
	92	esac
	93	# gcc with gld will not accept +vnocompatwarnings
	94	case "`$cc -o try -Wl,+vnocompatwarnings try.c 2>&1`" in
	95	"+vnocompat") # gld
	96	gnu_ld=yes
	97	;;
	98	*) # HPld
9fecddab	99	case "$gccversion" in
	100	[12]*)
	101	ldflags="$ldflags -Wl,+vnocompatwarnings"
	102	ccflags="$ccflags -Wl,+vnocompatwarnings"
	103	;;
	104	esac
dcd01700	105	;;
dcd01700	106	esac
eb9ee3dc	107	rm -f try.c
dcd01700	108	;;
0f3ba31f	109	esac
c723583c	110	;;
	111	*) ccisgcc=''
	112	ccversion=`which cc \| xargs what \| awk '/Compiler/{print $2}'`
0fb2d8c6	113	case "$ccflags" in
	114	"-Ae "*) ;;
	115	*) ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings" ;;
	116	esac
5e2807cc	117	# Needed because cpp does only support -Aa (not -Ae)
	118	cpplast='-'
	119	cppminus='-'
	120	cppstdin='cc -E -Aa -D__STDC_EXT__'
	121	cpprun=$cppstdin
0f3ba31f	122	case "$d_casti32" in
	123	"") d_casti32='undef' ;;
	124	esac
	125	;;
1dc48e02	126	esac
1dc48e02	127
e08bfeb2	128	# When HP-UX runs a script with "#!", it sets argv[0] to the script name.
e08bfeb2	129	toke_cflags='ccflags="$ccflags -DARG_ZERO_IS_SCRIPT"'
1dc48e02	130
1dc48e02	131	### 64 BITNESS
b36fec95	132
8cb447e0	133	# Some gcc versions do native 64 bit long (e.g. 2.9-hppa-000310 and gcc-3.0)
dcd01700	134	# We have to force 64bitness to go search the right libraries
	135	gcc_64native=no
	136	case "$ccisgcc" in
	137	$define\|true\|[Yy])
eb9ee3dc	138	echo 'int main(){long l;printf("%d\\n",sizeof(l));}'>try.c
dcd01700	139	$cc -o try $ccflags $ldflags try.c
	140	if [ "`try`" = "8" ]; then
	141	cat <<EOM >&4
	142
	143	*** This version of gcc uses 64 bit longs. -Duse64bitall is
	144	*** implicitly set to enable continuation
	145	EOM
	146	use64bitall=$define
	147	gcc_64native=yes
	148	fi
	149	;;
	150	esac
	151
ec7b9793	152	case "$use64bitall" in
1dc48e02	153	$define\|true\|[yY]*) use64bitint="$define" ;;
	154	esac
	155
6d5d7abf	156	case "$usemorebits" in
1dc48e02	157	$define\|true\|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
1dc48e02	158	esac
bf0c440f	159
1dc48e02	160	case "$uselongdouble" in
	161	$define\|true\|[yY]*)
	162	cat <<EOM >&4
	163
	164	*** long doubles are not (yet) supported on HP-UX (any version)
	165	*** Until it does, we cannot continue, aborting.
bf0c440f	166	EOM
1dc48e02	167	exit 1 ;;
1dc48e02	168	esac
bf0c440f	169
1dc48e02	170	case "$use64bitint" in
1dc48e02	171	$define\|true\|[Yy])
bf0c440f	172
1dc48e02	173	if [ "$xxOsRevMajor" -lt 11 ]; then
	174	cat <<EOM >&4
	175
	176	*** 64-bit compilation is not supported on HP-UX $xxOsRevMajor.
	177	*** You need at least HP-UX 11.0.
ec7b9793	178	*** Cannot continue, aborting.
bf0c440f	179	EOM
1dc48e02	180	exit 1
1dc48e02	181	fi
bf0c440f	182
1dc48e02	183	# Set libc and the library paths
	184	case "$archname" in
	185	PA-RISC*)
	186	loclibpth="$loclibpth /lib/pa20_64"
	187	libc='/lib/pa20_64/libc.sl' ;;
	188	IA64*)
	189	loclibpth="$loclibpth /usr/lib/hpux64"
	190	libc='/usr/lib/hpux64/libc.so' ;;
	191	esac
	192	if [ ! -f "$libc" ]; then
	193	cat <<EOM >&4
	194
	195	*** You do not seem to have the 64-bit libc.
	196	*** I cannot find the file $libc.
	197	*** Cannot continue, aborting.
	198	EOM
	199	exit 1
	200	fi
bf0c440f	201
dcd01700	202	case "$ccisgcc" in
	203	$define\|true\|[Yy])
	204	# For the moment, don't care that it ain't supported (yet)
	205	# by gcc (up to and including 2.95.3), cause it'll crash
	206	# anyway. Expect auto-detection of 64-bit enabled gcc on
	207	# HP-UX soon, including a user-friendly exit
	208	case $gcc_64native in
16c1da12	209	no) case "$gccversion" in
	210	[12]*) ccflags="$ccflags -mlp64"
	211	ldflags="$ldflags -Wl,+DD64"
	212	;;
	213	esac
dcd01700	214	;;
	215	esac
	216	;;
	217	*)
	218	ccflags="$ccflags +DD64"
	219	ldflags="$ldflags +DD64"
	220	;;
	221	esac
bf0c440f	222
1dc48e02	223	# Reset the library checker to make sure libraries
	224	# are the right type
	225	libscheck='case "`/usr/bin/file $xxx`" in
	226	ELF-64\|LP64\|PA-RISC2.0) ;;
	227	*) xxx=/no/64-bit$xxx ;;
	228	esac'
	229
	230	;;
	231
	232	*) # Not in 64-bit mode
	233
	234	case "$archname" in
	235	PA-RISC*)
	236	libc='/lib/libc.sl' ;;
	237	IA64*)
	238	loclibpth="$loclibpth /usr/lib/hpux32"
	239	libc='/usr/lib/hpux32/libc.so' ;;
	240	esac
	241	;;
	242	esac
	243
dcd01700	244	# By setting the deferred flag below, this means that if you run perl
	245	# on a system that does not have the required shared library that you
	246	# linked it with, it will die when you try to access a symbol in the
	247	# (missing) shared library. If you would rather know at perl startup
	248	# time that you are missing an important shared library, switch the
	249	# comments so that immediate, rather than deferred loading is
	250	# performed. Even with immediate loading, you can postpone errors for
	251	# undefined (or multiply defined) routines until actual access by
	252	# adding the "nonfatal" option.
	253	# ccdlflags="-Wl,-E -Wl,-B,immediate $ccdlflags"
	254	# ccdlflags="-Wl,-E -Wl,-B,immediate,-B,nonfatal $ccdlflags"
	255	if [ "$gnu_ld" = "yes" ]; then
	256	ccdlflags="-Wl,-E $ccdlflags"
	257	else
	258	ccdlflags="-Wl,-E -Wl,-B,deferred $ccdlflags"
	259	fi
	260
1dc48e02	261
1dc48e02	262	### COMPILER SPECIFICS
bf0c440f	263
7f128676	264	## Local restrictions (point to README.hpux to lift these)
	265
	266	## Optimization limits
	267	cat >try.c <<EOF
	268	#include <sys/resource.h>
	269
	270	int main ()
	271	{
	272	struct rlimit rl;
	273	int i = getrlimit (RLIMIT_DATA, &rl);
	274	printf ("%d\n", rl.rlim_cur / (1024 * 1024));
	275	} /* main */
	276	EOF
	277	$cc -o try $ccflags $ldflags try.c
	278	maxdsiz=`try`
303aa268	279	rm -f try try.c core
7f128676	280	if [ $maxdsiz -le 64 ]; then
	281	# 64 Mb is probably not enough to optimize toke.c
	282	# and regexp.c with -O2
	283	cat <<EOM >&4
	284	Your kernel limits the data section of your programs to $maxdsiz Mb,
	285	which is (sadly) not enough to fully optimize some parts of the
	286	perl binary. I'll try to use a lower optimization level for
	287	those parts. If you are a sysadmin, and you do want full
	288	optimization, raise the 'maxdsiz' kernel configuration parameter
	289	to at least 0x08000000 (128 Mb) and rebuild your kernel.
	290	EOM
a6bab54c	291	regexec_cflags=''
7f128676	292	fi
7f128676	293
b36fec95	294	case "$ccisgcc" in
1dc48e02	295	$define\|true\|[Yy])
	296
	297	case "$optimize" in
c723583c	298	"") optimize="-g -O" ;;
c723583c	299	O[3456789]) optimize=`echo "$optimize" \| sed -e 's/O[3-9]/O2/'` ;;
1dc48e02	300	esac
c723583c	301	#ld="$cc"
5e2807cc	302	ld=/usr/bin/ld
1dc48e02	303	cccdlflags='-fPIC'
c723583c	304	#lddlflags='-shared'
5e2807cc	305	lddlflags='-b'
c723583c	306	case "$optimize" in
	307	-g-O\|-O-g)
	308	# gcc without gas will not accept -g
	309	echo "main(){}">try.c
	310	case "`$cc $optimize -c try.c 2>&1`" in
	311	"-g option disabled")
	312	set `echo "X $optimize " \| sed -e 's/ -g / /'`
	313	shift
	314	optimize="$*"
	315	;;
	316	esac
	317	;;
	318	esac
7f128676	319	if [ $maxdsiz -le 64 ]; then
7f128676	320	case "$optimize" in
7f128676	321	O2) opt=`echo "$optimize" \| sed -e 's/O2/O1/'`
a6bab54c	322	toke_cflags="$toke_cflags;optimize=\"$opt\""
a6bab54c	323	regexec_cflags="optimize=\"$opt\""
7f128676	324	;;
	325	esac
	326	fi
1dc48e02	327	;;
	328
	329	*) # HP's compiler cannot combine -g and -O
	330	case "$optimize" in
5e2807cc	331	"") optimize="+O2 +Onolimit" ;;
c723583c	332	O[3456789]) optimize=`echo "$optimize" \| sed -e 's/O[3-9]/O2/'` ;;
1dc48e02	333	esac
7f128676	334	if [ $maxdsiz -le 64 ]; then
7f128676	335	case "$optimize" in
	336	-O\|\
	337	O2) opt=`echo "$optimize" \| sed -e 's/-O/+O2/' -e 's/O2/O1/' -e 's/ *+Onolimit//'`
a6bab54c	338	toke_cflags="$toke_cflags;optimize=\"$opt\""
a6bab54c	339	regexec_cflags="optimize=\"$opt\""
7f128676	340	;;
	341	esac
	342	fi
1dc48e02	343	ld=/usr/bin/ld
1dc48e02	344	cccdlflags='+Z'
c723583c	345	lddlflags='-b +vnocompatwarnings'
1dc48e02	346	;;
b36fec95	347	esac
8e07c86e	348
1dc48e02	349	## LARGEFILES
774d564b	350
c723583c	351	#case "$uselargefiles-$ccisgcc" in
	352	# "$define-$define"\|'-define')
	353	# cat <<EOM >&4
	354	#
	355	#*** I'm ignoring large files for this build because
	356	#*** I don't know how to do use large files in HP-UX using gcc.
	357	#
	358	#EOM
	359	# uselargefiles="$undef"
	360	# ;;
	361	# esac
dc45a647	362
1dc48e02	363	cat >UU/uselargefiles.cbu <<'EOCBU'
	364	# This script UU/uselargefiles.cbu will get 'called-back' by Configure
	365	# after it has prompted the user for whether to use large files.
	366	case "$uselargefiles" in
	367	""\|$define\|true\|[yY]*)
	368	# there are largefile flags available via getconf(1)
	369	# but we cheat for now. (Keep that in the left margin.)
	370	ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
5cf1d1f1	371
0fb2d8c6	372	case "$ccflags" in
	373	*" $ccflags_uselargefiles") ;;
	374	*) ccflags="$ccflags $ccflags_uselargefiles" ;;
	375	esac
1dc48e02	376
	377	if test -z "$ccisgcc" -a -z "$gccversion"; then
	378	# The strict ANSI mode (-Aa) doesn't like large files.
	379	ccflags=`echo " $ccflags "\|sed 's@ -Aa @ @g'`
	380	case "$ccflags" in
	381	-Ae) ;;
	382	*) ccflags="$ccflags -Ae" ;;
	383	esac
fa2879fb	384	fi
	385	;;
	386	esac
1dc48e02	387	EOCBU
fa2879fb	388
1dc48e02	389	# THREADING
104d25b7	390
	391	# This script UU/usethreads.cbu will get 'called-back' by Configure
	392	# after it has prompted the user for whether to use threads.
1dc48e02	393	cat >UU/usethreads.cbu <<'EOCBU'
104d25b7	394	case "$usethreads" in
1dc48e02	395	$define\|true\|[yY]*)
	396	if [ "$xxOsRevMajor" -lt 10 ]; then
	397	cat <<EOM >&4
f1ee07ac	398
104d25b7	399	HP-UX $xxOsRevMajor cannot support POSIX threads.
	400	Consider upgrading to at least HP-UX 11.
	401	Cannot continue, aborting.
	402	EOM
1dc48e02	403	exit 1
	404	fi
	405
	406	if [ "$xxOsRevMajor" -eq 10 ]; then
	407	# Under 10.X, a threaded perl can be built
	408	if [ -f /usr/include/pthread.h ]; then
c7d9b096	409	if [ -f /usr/lib/libcma.sl ]; then
	410	# DCE (from Core OS CD) is installed
	411
1dc48e02	412	# It needs # libcma and OLD_PTHREADS_API. Also
	413	# <pthread.h> needs to be #included before any
	414	# other includes (in perl.h)
c7d9b096	415
	416	# HP-UX 10.X uses the old pthreads API
	417	d_oldpthreads="$define"
	418
	419	# include libcma before all the others
	420	libswanted="cma $libswanted"
	421
1dc48e02	422	# tell perl.h to include <pthread.h> before other
1dc48e02	423	# include files
c7d9b096	424	ccflags="$ccflags -DPTHREAD_H_FIRST"
c7d9b096	425
1dc48e02	426	# CMA redefines select to cma_select, and cma_select
1dc48e02	427	# expects int * instead of fd_set * (just like 9.X)
c7d9b096	428	selecttype='int *'
	429
	430	elif [ -f /usr/lib/libpthread.sl ]; then
	431	# PTH package is installed
	432	libswanted="pthread $libswanted"
	433	else
	434	libswanted="no_threads_available"
	435	fi
	436	else
	437	libswanted="no_threads_available"
	438	fi
	439
1dc48e02	440	if [ $libswanted = "no_threads_available" ]; then
1dc48e02	441	cat <<EOM >&4
f1ee07ac	442
104d25b7	443	In HP-UX 10.X for POSIX threads you need both of the files
c7d9b096	444	/usr/include/pthread.h and either /usr/lib/libcma.sl or /usr/lib/libpthread.sl.
c7d9b096	445	Either you must upgrade to HP-UX 11 or install a posix thread library:
f1ee07ac	446
	447	DCE-CoreTools from HP-UX 10.20 Hardware Extensions 3.0 CD (B3920-13941)
	448
	449	or
	450
1dc48e02	451	PTH package from e.g. http://hpux.tn.tudelft.nl/hppd/hpux/alpha.html
f1ee07ac	452
104d25b7	453	Cannot continue, aborting.
104d25b7	454	EOM
1dc48e02	455	exit 1
c7d9b096	456	fi
1dc48e02	457	else
	458	# 12 may want upping the _POSIX_C_SOURCE datestamp...
	459	ccflags=" -D_POSIX_C_SOURCE=199506L $ccflags"
	460	set `echo X "$libswanted "\| sed -e 's/ c / pthread c /'`
	461	shift
	462	libswanted="$*"
	463	fi
104d25b7	464
227c31c3	465	usemymalloc='n'
104d25b7	466	;;
1dc48e02	467	esac
bd9b35c9	468	EOCBU
758a5d79	469
	470	# fpclassify() is a macro, the library call is Fpclassify
	471	d_fpclassify='define'