[perl5.git] / hints / aix.sh

# hints/aix.sh
# AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com>
# AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>.
# AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and
#	  Jarkko Hietaniemi <jhi@iki.fi>.
# AIX 4.3.x LP64 build by Steven Hirsch <hirschs@btv.ibm.com>
# Merged on Mon Feb  6 10:22:35 EST 1995 by
#   Andy Dougherty  <doughera@lafcol.lafayette.edu>

#
# Contact dfavor@corridor.com for any of the following:
#
#    - AIX 43x and above support
#    - gcc + threads support
#    - socks support
#
# Apr 99 changes:
#
#    - use nm in AIX 43x and above
#    - gcc + threads now builds
#    [(added support for socks) Jul 99 SOCKS support rewritten]
#
# Notes:
#
#    - shared libperl support is tricky. if ever libperl.a ends up
#      in /usr/local/lib/* it can override any subsequent builds of
#      that same perl release. to make sure you know where the shared
#      libperl.a is coming from do a 'dump -Hv perl' and check all the
#      library search paths in the loader header.
#
#      it would be nice to warn the user if a libperl.a exists that is
#      going to override the current build, but that would be complex.
#
#      better yet, a solid fix for this situation should be developed.
#

# Configure finds setrgid and setruid, but they're useless.  The man
# pages state:
#    setrgid: The EPERM error code is always returned.
#    setruid: The EPERM error code is always returned. Processes cannot
#	      reset only their real user IDs.
d_setrgid='undef'
d_setruid='undef'

alignbytes=8

case "$usemymalloc" in
'')  usemymalloc='n' ;;
esac

# Intuiting the existence of system calls under AIX is difficult,
# at best; the safest technique is to find them empirically.

# AIX 4.3.* and above default to using nm for symbol extraction
case "$osvers" in
   3.*|4.1.*|4.2.*)
      usenm='undef'
      ;;
   *)
      usenm='true'
      ;;
esac

so="a"
# AIX itself uses .o (libc.o) but we prefer compatibility
# with the rest of the world and with rest of the scripting
# languages (Tcl, Python) and related systems (SWIG).
# Stephanie Beals <bealzy@us.ibm.com>
dlext="so"

# Take possible hint from the environment.  If 32-bit is set in the
# environment, we can override it later.  If set for 64, the
# 'sizeof' test sees a native 64-bit architecture and never looks back.
case "$OBJECT_MODE" in
32)
    cat >&4 <<EOF

You have OBJECT_MODE=32 set in the environment. 
I take this as a hint you do not want to
build for a 64-bit address space. You will be
given the opportunity to change this later.
EOF
    ;;
64)
    cat >&4 <<EOF

You have OBJECT_MODE=64 set in the environment. 
This forces a full 64-bit build.  If that is
not what you intended, please terminate this
program, unset it and restart.
EOF
    ;;
*)  ;;
esac

# Trying to set this breaks the POSIX.c compilation

# Make setsockopt work correctly.  See man page.
# ccflags='-D_BSD=44'

# uname -m output is too specific and not appropriate here
case "$archname" in
'') archname="$osname" ;;
esac

cc=${cc:-cc}

case "$osvers" in
3*) d_fchmod=undef
    ccflags="$ccflags -D_ALL_SOURCE"
    ;;
*)  # These hints at least work for 4.x, possibly other systems too.
    ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE"
    case "$cc" in
     *gcc*) ;;
     *) ccflags="$ccflags -qmaxmem=16384" ;;
    esac
    nm_opt='-B'
    ;;
esac

# These functions don't work like Perl expects them to.
d_setregid='undef'
d_setreuid='undef'

# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com>
#
# Tell perl which symbols to export for dynamic linking.
case "$cc" in
*gcc*) ccdlflags='-Xlinker' ;;
*) ccversion=`lslpp -L | grep 'C for AIX Compiler$' | awk '{print $2}'`
   case "$ccversion" in
     '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$' | awk '{print $2}'`
	;;
     esac
   case "$ccversion" in
     3.6.6.0)
	optimize='none'
	;;
     4.4.0.0|4.4.0.1|4.4.0.2)
	echo >&4 "*** This C compiler ($ccversion) is outdated."
	echo >&4 "*** Please upgrade to at least 4.4.0.3."
	;;
     esac
esac
# the required -bE:$installarchlib/CORE/perl.exp is added by
# libperl.U (Configure) later.

case "$ldlibpthname" in
'') ldlibpthname=LIBPATH ;;
esac

# The first 3 options would not be needed if dynamic libs. could be linked
# with the compiler instead of ld.
# -bI:$(PERL_INC)/perl.exp  Read the exported symbols from the perl binary
# -bE:$(BASEEXT).exp	    Export these symbols.  This file contains only one
#			    symbol: boot_$(EXP)	 can it be auto-generated?
case "$osvers" in
3*) 
    lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -e _nostart -lc"
    ;;
*) 
    lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -b noentry -lc"
    ;;
esac
# AIX 4.2 (using latest patchlevels on 20001130) has a broken bind
# library (getprotobyname and getprotobynumber are outversioned by
# the same calls in libc, at least for xlc version 3...
case "`oslevel`" in
    4.2.1.*)  # Test for xlc version too, should we?
      case "$ccversion" in    # Don't know if needed for gcc
          3.1.4.*)    # libswanted "bind ... c ..." => "... c bind ..."
              set `echo X "$libswanted "| sed -e 's/ bind\( .*\) \([cC]\) / \1 \2 bind /'`
              shift
              libswanted="$*"
              ;;
          esac
      ;;
    esac

# 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
$define|true|[yY]*)
	ccflags="$ccflags -DNEED_PTHREAD_INIT"
	case "$cc" in
	gcc) ;;
	cc_r) ;;
	cc|xl[cC]_r) 
	    echo >&4 "Switching cc to cc_r because of POSIX threads."
	    # xlc_r has been known to produce buggy code in AIX 4.3.2.
	    # (e.g. pragma/overload core dumps)	 Let's suspect xlC_r, too.
	    # --jhi@iki.fi
	    cc=cc_r
	    ;;
	'') 
	    cc=cc_r
	    ;;
	*)
	    cat >&4 <<EOM
*** For pthreads you should use the AIX C compiler cc_r.
*** (now your compiler was set to '$cc')
*** Cannot continue, aborting.
EOM
	    exit 1
	    ;;
	esac

	# c_rify libswanted.
	set `echo X "$libswanted "| sed -e 's/ \([cC]\) / \1_r /g'`
	shift
	libswanted="$*"
	# c_rify lddlflags.
	set `echo X "$lddlflags "| sed -e 's/ \(-l[cC]\) / \1_r /g'`
	shift
	lddlflags="$*"

	# Insert pthreads to libswanted, before any libc or libC.
	set `echo X "$libswanted "| sed -e 's/ \([cC]\) / pthreads \1 /'`
	shift
	libswanted="$*"
	# Insert pthreads to lddlflags, before any libc or libC.
	set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]\) / -lpthreads \1 /'`
	shift
	lddlflags="$*"

	;;
esac
EOCBU

# This script UU/uselargefiles.cbu will get 'called-back' by Configure 
# after it has prompted the user for whether to use large files.
cat > UU/uselargefiles.cbu <<'EOCBU'
case "$uselargefiles" in
''|$define|true|[yY]*)
# Keep these at the left margin.
ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`"
ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`"
	# _Somehow_ in AIX 4.3.1.0 the above getconf call manages to
	# insert(?) *something* to $ldflags so that later (in Configure) evaluating
	# $ldflags causes a newline after the '-b64' (the result of the getconf).
	# (nothing strange shows up in $ldflags even in hexdump;
	#  so it may be something (a bug) in the shell, instead?)
	# Try it out: just uncomment the below line and rerun Configure:
# echo >&4 "AIX 4.3.1.0 $ldflags_uselargefiles mystery" ; exit 1
	# Just don't ask me how AIX does it, I spent hours wondering.
	# Therefore the line re-evaluating ldflags_uselargefiles: it seems to fix
	# the whatever it was that AIX managed to break. --jhi
	ldflags_uselargefiles="`echo $ldflags_uselargefiles`"
# Keep this at the left margin.
libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
	case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in
	'');;
	*) ccflags="$ccflags $ccflags_uselargefiles"
	   ldflags="$ldflags $ldflags_uselargefiles"
	   libswanted="$libswanted $libswanted_uselargefiles"
	   ;;
	esac
	case "$gccversion" in
	'') ;;
	*)
	cat >&4 <<EOM

*** Warning: gcc in AIX might not work with the largefile support of Perl
*** (default since 5.6.0), this combination hasn't been tested.
*** I will try, though.

EOM
	# Remove xlc-spefific -qflags.
        ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`"
        ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`"
	echo >&4 "(using ccflags $ccflags)"
	echo >&4 "(using ldflags $ldflags)"
        ;; 
        esac
        ;;
esac
EOCBU

# This script UU/use64bitint.cbu will get 'called-back' by Configure 
# after it has prompted the user for whether to use 64 bit integers.
cat > UU/use64bitint.cbu <<'EOCBU'
case "$use64bitint" in
$define|true|[yY]*)
	    case "`oslevel`" in
	    3.*|4.[012].*)
		cat >&4 <<EOM
AIX `oslevel` does not support 64-bit interfaces.
You should upgrade to at least AIX 4.3.
EOM
		exit 1
		;;
	    esac
	    ;;
esac
EOCBU

cat > UU/use64bitall.cbu <<'EOCBU'
# This script UU/use64bitall.cbu will get 'called-back' by Configure 
# after it has prompted the user for whether to be maximally 64-bitty.
case "$use64bitall" in
$define|true|[yY]*)
	    case "`oslevel`" in
	    3.*|4.[012].*)
		cat >&4 <<EOM
AIX `oslevel` does not support 64-bit interfaces.
You should upgrade to at least AIX 4.3.
EOM
		exit 1
		;;
	    esac
	    echo " "
	    echo "Checking the CPU width of your hardware..." >&4
	    $cat >size.c <<EOCP
#include <stdio.h>
#include <sys/systemcfg.h>
int main (void)
{
  printf("%d\n",_system_configuration.width);
  return(0);
}
EOCP
	    set size
	    if eval $compile_ok; then
		qacpuwidth=`./size`
		echo "You are running on $qacpuwidth bit hardware."
	    else
		dflt="32"
		echo " "
		echo "(I can't seem to compile the test program.  Guessing...)"
		rp="What is the width of your CPU (in bits)?"
		. ./myread
		qacpuwidth="$ans"
	    fi
	    $rm -f size.c size
	    case "$qacpuwidth" in
	    32*)
		cat >&4 <<EOM
Bzzzt! At present, you can only perform a
full 64-bit build on a 64-bit machine.
EOM
		exit 1
		;;
	    esac
	    qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
	    qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
	    # See jhi's comments above regarding this re-eval.  I've
	    # seen similar weirdness in the form of:
	    #
# 1506-173 (W) Option lm is not valid.  Enter xlc for list of valid options.
	    #
	    # error messages from 'cc -E' invocation. Again, the offending
	    # string is simply not detectable by any means.  Since it doesn't
	    # do any harm, I didn't pursue it. -- sh
	    qaldflags="`echo $qaldflags`"
	    qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
	    # -q32 and -b32 may have been set by uselargefiles or user.
    	    # Remove them.
	    ccflags="`echo $ccflags | sed -e 's@-q32@@'`"
	    ldflags="`echo $ldflags | sed -e 's@-b32@@'`"
	    # Tell archiver to use large format.  Unless we remove 'ar'
	    # from 'trylist', the Configure script will just reset it to 'ar'
	    # immediately prior to writing config.sh.  This took me hours
	    # to figure out.
	    trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`"
	    ar="ar -X64"
	    nm_opt="-X64 $nm_opt"
	    # Note: Placing the 'qacflags' variable into the 'ldflags' string
	    # is NOT a typo.  ldqalags is passed to the C compiler for final
	    # linking, and it wants -q64 (-b64 is for ld only!).
	    case "$qacflags$qaldflags$qalibs" in
	    '');;
	    *) ccflags="$ccflags $qacflags"
	       ldflags="$ldflags $qacflags"
	       lddqalags="$qaldflags $lddqalags"
	       libswanted="$libswanted $qalibs"
	       ;;
	    esac
	    case "$ccflags" in
	    *-DUSE_64_BIT_ALL*) ;;
      	    *) ccflags="$ccflags -DUSE_64_BIT_ALL";;
	    esac
	    case "$archname64" in
	    ''|64*) archname64=64all ;;
	    esac
	    longsize="8"
	    # Don't try backwards compatibility
	    bincompat="$undef"
	    d_bincompat5005="$undef"
	    qacflags=''
	    qaldflags=''
	    qalibs=''
	    qacpuwidth=''
	    ;;
esac
EOCBU

cat > UU/uselongdouble.cbu <<'EOCBU'
# This script UU/uselongdouble.cbu will get 'called-back' by Configure 
# after it has prompted the user for whether to use long doubles.
case "$uselongdouble" in
$define|true|[yY]*)
        case "$cc" in
        *gcc*) ;;
        *) ccflags="$ccflags -qlongdouble" ;;
        esac
	# The explicit cc128, xlc128, xlC128 are not needed,
	# the -qlongdouble should do the trick. --jhi
	d_Gconvert='sprintf((b),"%.*llg",(n),(x))'
	;;
esac
EOCBU

# If the C++ libraries, libC and libC_r, are available we will prefer them
# over the vanilla libc, because the libC contain loadAndInit() and
# terminateAndUnload() which work correctly with C++ statics while libc
# load() and unload() do not.  See ext/DynaLoader/dl_aix.xs.
# The C-to-C_r switch is done by usethreads.cbu, if needed.
if test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then
    # Cify libswanted.
    set `echo X "$libswanted "| sed -e 's/ c / C c /'`
    shift
    libswanted="$*"
    # Cify lddlflags.
    set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'`
    shift
    lddlflags="$*"
fi

# EOF
Commit	Line	Data
1aef975c AD	1	# hints/aix.sh
	2	# AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com>
	3	# AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>.
52e1cb5e	4	# AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and
4e774c84	5	# Jarkko Hietaniemi <jhi@iki.fi>.
19e194ad	6	# AIX 4.3.x LP64 build by Steven Hirsch <hirschs@btv.ibm.com>
1aef975c AD	7	# Merged on Mon Feb 6 10:22:35 EST 1995 by
	8	# Andy Dougherty <doughera@lafcol.lafayette.edu>
	9
bbc711f9 DF	10	#
	11	# Contact dfavor@corridor.com for any of the following:
	12	#
	13	# - AIX 43x and above support
	14	# - gcc + threads support
	15	# - socks support
	16	#
	17	# Apr 99 changes:
	18	#
	19	# - use nm in AIX 43x and above
	20	# - gcc + threads now builds
29209bc5	21	# [(added support for socks) Jul 99 SOCKS support rewritten]
bbc711f9 DF	22	#
	23	# Notes:
	24	#
	25	# - shared libperl support is tricky. if ever libperl.a ends up
	26	# in /usr/local/lib/* it can override any subsequent builds of
	27	# that same perl release. to make sure you know where the shared
	28	# libperl.a is coming from do a 'dump -Hv perl' and check all the
	29	# library search paths in the loader header.
	30	#
	31	# it would be nice to warn the user if a libperl.a exists that is
	32	# going to override the current build, but that would be complex.
	33	#
	34	# better yet, a solid fix for this situation should be developed.
	35	#
1aef975c AD	36
	37	# Configure finds setrgid and setruid, but they're useless. The man
	38	# pages state:
	39	# setrgid: The EPERM error code is always returned.
	40	# setruid: The EPERM error code is always returned. Processes cannot
4e774c84	41	# reset only their real user IDs.
a0d0e21e LW	42	d_setrgid='undef'
a0d0e21e LW	43	d_setruid='undef'
1aef975c	44
5f3774a9	45	alignbytes=8
a5f75d66	46
86959918 JH	47	case "$usemymalloc" in
	48	'') usemymalloc='n' ;;
	49	esac
bbc711f9 DF	50
	51	# Intuiting the existence of system calls under AIX is difficult,
	52	# at best; the safest technique is to find them empirically.
	53
	54	# AIX 4.3.* and above default to using nm for symbol extraction
	55	case "$osvers" in
	56	3.\|4.1.\|4.2.*)
	57	usenm='undef'
	58	;;
	59	*)
	60	usenm='true'
	61	;;
	62	esac
cc628cc3	63
3c321fdc	64	so="a"
0d9ec2f4 JH	65	# AIX itself uses .o (libc.o) but we prefer compatibility
	66	# with the rest of the world and with rest of the scripting
	67	# languages (Tcl, Python) and related systems (SWIG).
	68	# Stephanie Beals <bealzy@us.ibm.com>
	69	dlext="so"
3c321fdc	70
19e194ad JH	71	# Take possible hint from the environment. If 32-bit is set in the
	72	# environment, we can override it later. If set for 64, the
	73	# 'sizeof' test sees a native 64-bit architecture and never looks back.
	74	case "$OBJECT_MODE" in
	75	32)
	76	cat >&4 <<EOF
	77
	78	You have OBJECT_MODE=32 set in the environment.
	79	I take this as a hint you do not want to
	80	build for a 64-bit address space. You will be
	81	given the opportunity to change this later.
	82	EOF
	83	;;
	84	64)
	85	cat >&4 <<EOF
	86
	87	You have OBJECT_MODE=64 set in the environment.
	88	This forces a full 64-bit build. If that is
	89	not what you intended, please terminate this
	90	program, unset it and restart.
	91	EOF
	92	;;
	93	*) ;;
	94	esac
	95
bbc711f9 DF	96	# Trying to set this breaks the POSIX.c compilation
bbc711f9 DF	97
1aef975c AD	98	# Make setsockopt work correctly. See man page.
	99	# ccflags='-D_BSD=44'
	100
	101	# uname -m output is too specific and not appropriate here
	102	case "$archname" in
	103	'') archname="$osname" ;;
	104	esac
	105
bd9b35c9 JH	106	cc=${cc:-cc}
bd9b35c9 JH	107
1aef975c AD	108	case "$osvers" in
1aef975c AD	109	3*) d_fchmod=undef
fc2c2f48	110	ccflags="$ccflags -D_ALL_SOURCE"
1aef975c AD	111	;;
1aef975c AD	112	*) # These hints at least work for 4.x, possibly other systems too.
fc2c2f48	113	ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE"
80589958	114	case "$cc" in
80589958	115	gcc) ;;
86959918	116	*) ccflags="$ccflags -qmaxmem=16384" ;;
80589958	117	esac
1aef975c	118	nm_opt='-B'
1aef975c AD	119	;;
	120	esac
	121
bbc711f9 DF	122	# These functions don't work like Perl expects them to.
	123	d_setregid='undef'
	124	d_setreuid='undef'
	125
1aef975c	126	# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com>
a0d0e21e LW	127	#
a0d0e21e LW	128	# Tell perl which symbols to export for dynamic linking.
4633a7c4	129	case "$cc" in
5f9d9a17	130	gcc) ccdlflags='-Xlinker' ;;
6b356c8e JH	131	*) ccversion=`lslpp -L \| grep 'C for AIX Compiler$' \| awk '{print $2}'`
6b356c8e JH	132	case "$ccversion" in
8d4151d3 PP	133	'') ccversion=`lslpp -L \| grep 'IBM C and C++ Compilers LUM$' \| awk '{print $2}'`
	134	;;
	135	esac
	136	case "$ccversion" in
	137	3.6.6.0)
	138	optimize='none'
	139	;;
6b356c8e JH	140	4.4.0.0\|4.4.0.1\|4.4.0.2)
	141	echo >&4 "*** This C compiler ($ccversion) is outdated."
	142	echo >&4 "*** Please upgrade to at least 4.4.0.3."
	143	;;
	144	esac
4633a7c4	145	esac
5f9d9a17 ME	146	# the required -bE:$installarchlib/CORE/perl.exp is added by
5f9d9a17 ME	147	# libperl.U (Configure) later.
a0d0e21e	148
5cf1d1f1 JH	149	case "$ldlibpthname" in
	150	'') ldlibpthname=LIBPATH ;;
	151	esac
	152
a0d0e21e LW	153	# The first 3 options would not be needed if dynamic libs. could be linked
a0d0e21e LW	154	# with the compiler instead of ld.
42793c05	155	# -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary
4e774c84 SB	156	# -bE:$(BASEEXT).exp Export these symbols. This file contains only one
4e774c84 SB	157	# symbol: boot_$(EXP) can it be auto-generated?
c07a80fd	158	case "$osvers" in
c07a80fd	159	3*)
6c79d5f6	160	lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -e _nostart -lc"
c07a80fd	161	;;
c07a80fd	162	*)
6c79d5f6	163	lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -b noentry -lc"
b691c02f	164	;;
c07a80fd	165	esac
3427abbf MB	166	# AIX 4.2 (using latest patchlevels on 20001130) has a broken bind
	167	# library (getprotobyname and getprotobynumber are outversioned by
	168	# the same calls in libc, at least for xlc version 3...
	169	case "`oslevel`" in
	170	4.2.1.*) # Test for xlc version too, should we?
	171	case "$ccversion" in # Don't know if needed for gcc
	172	3.1.4.*) # libswanted "bind ... c ..." => "... c bind ..."
	173	set `echo X "$libswanted "\| sed -e 's/ bind\( .*\) \([cC]\) / \1 \2 bind /'`
	174	shift
	175	libswanted="$*"
	176	;;
	177	esac
	178	;;
	179	esac
52e1cb5e	180
104d25b7 JH	181	# This script UU/usethreads.cbu will get 'called-back' by Configure
	182	# after it has prompted the user for whether to use threads.
	183	cat > UU/usethreads.cbu <<'EOCBU'
	184	case "$usethreads" in
	185	$define\|true\|[yY]*)
4e774c84 SB	186	ccflags="$ccflags -DNEED_PTHREAD_INIT"
	187	case "$cc" in
	188	gcc) ;;
	189	cc_r) ;;
	190	cc\|xl[cC]_r)
bbc711f9 DF	191	echo >&4 "Switching cc to cc_r because of POSIX threads."
bbc711f9 DF	192	# xlc_r has been known to produce buggy code in AIX 4.3.2.
4e774c84	193	# (e.g. pragma/overload core dumps) Let's suspect xlC_r, too.
bbc711f9 DF	194	# --jhi@iki.fi
bbc711f9 DF	195	cc=cc_r
4e774c84 SB	196	;;
4e774c84 SB	197	'')
bbc711f9	198	cc=cc_r
4e774c84 SB	199	;;
	200	*)
	201	cat >&4 <<EOM
6b356c8e JH	202	*** For pthreads you should use the AIX C compiler cc_r.
	203	*** (now your compiler was set to '$cc')
	204	*** Cannot continue, aborting.
104d25b7	205	EOM
4e774c84	206	exit 1
104d25b7	207	;;
4e774c84 SB	208	esac
4e774c84 SB	209
c88be79f JH	210	# c_rify libswanted.
	211	set `echo X "$libswanted "\| sed -e 's/ \([cC]\) / \1_r /g'`
	212	shift
	213	libswanted="$*"
	214	# c_rify lddlflags.
	215	set `echo X "$lddlflags "\| sed -e 's/ \(-l[cC]\) / \1_r /g'`
	216	shift
	217	lddlflags="$*"
	218
	219	# Insert pthreads to libswanted, before any libc or libC.
	220	set `echo X "$libswanted "\| sed -e 's/ \([cC]\) / pthreads \1 /'`
	221	shift
	222	libswanted="$*"
	223	# Insert pthreads to lddlflags, before any libc or libC.
	224	set `echo X "$lddlflags " \| sed -e 's/ \(-l[cC]\) / -lpthreads \1 /'`
	225	shift
	226	lddlflags="$*"
	227
104d25b7 JH	228	;;
	229	esac
	230	EOCBU
fa9667c9	231
8a647129	232	# This script UU/uselargefiles.cbu will get 'called-back' by Configure
bd9b35c9	233	# after it has prompted the user for whether to use large files.
8a647129	234	cat > UU/uselargefiles.cbu <<'EOCBU'
bd9b35c9	235	case "$uselargefiles" in
10cc9d2a	236	''\|$define\|true\|[yY]*)
9422c00b	237	# Keep these at the left margin.
45c9e83b JH	238	ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`"
45c9e83b JH	239	ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`"
6b8eaf93 JH	240	# _Somehow_ in AIX 4.3.1.0 the above getconf call manages to
	241	# insert(?) something to $ldflags so that later (in Configure) evaluating
	242	# $ldflags causes a newline after the '-b64' (the result of the getconf).
	243	# (nothing strange shows up in $ldflags even in hexdump;
d553adec	244	# so it may be something (a bug) in the shell, instead?)
6b8eaf93	245	# Try it out: just uncomment the below line and rerun Configure:
45c9e83b	246	# echo >&4 "AIX 4.3.1.0 $ldflags_uselargefiles mystery" ; exit 1
6b8eaf93	247	# Just don't ask me how AIX does it, I spent hours wondering.
45c9e83b	248	# Therefore the line re-evaluating ldflags_uselargefiles: it seems to fix
6b8eaf93	249	# the whatever it was that AIX managed to break. --jhi
45c9e83b	250	ldflags_uselargefiles="`echo $ldflags_uselargefiles`"
9422c00b	251	# Keep this at the left margin.
45c9e83b JH	252	libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null\|sed -e 's@^-l@@' -e 's@ -l@ @g`"
45c9e83b JH	253	case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in
bd9b35c9	254	'');;
45c9e83b JH	255	*) ccflags="$ccflags $ccflags_uselargefiles"
	256	ldflags="$ldflags $ldflags_uselargefiles"
	257	libswanted="$libswanted $libswanted_uselargefiles"
bd9b35c9 JH	258	;;
bd9b35c9 JH	259	esac
d553adec DM	260	case "$gccversion" in
	261	'') ;;
	262	*)
	263	cat >&4 <<EOM
	264
	265	*** Warning: gcc in AIX might not work with the largefile support of Perl
	266	*** (default since 5.6.0), this combination hasn't been tested.
	267	*** I will try, though.
	268
	269	EOM
	270	# Remove xlc-spefific -qflags.
	271	ccflags="`echo $ccflags \| sed -e 's@ -q[^ ]@ @g' -e 's@^-q[^ ] @@g'`"
	272	ldflags="`echo $ldflags \| sed -e 's@ -q[^ ]@ @g' -e 's@^-q[^ ] @@g'`"
	273	echo >&4 "(using ccflags $ccflags)"
	274	echo >&4 "(using ldflags $ldflags)"
	275	;;
	276	esac
	277	;;
bd9b35c9 JH	278	esac
bd9b35c9 JH	279	EOCBU
6b8eaf93	280
10cc9d2a	281	# This script UU/use64bitint.cbu will get 'called-back' by Configure
de6124c8	282	# after it has prompted the user for whether to use 64 bit integers.
10cc9d2a JH	283	cat > UU/use64bitint.cbu <<'EOCBU'
10cc9d2a JH	284	case "$use64bitint" in
efeaa891	285	$define\|true\|[yY]*)
2d4389e4	286	case "`oslevel`" in
efeaa891 JH	287	3.\|4.[012].)
efeaa891 JH	288	cat >&4 <<EOM
2d4389e4	289	AIX `oslevel` does not support 64-bit interfaces.
19e194ad	290	You should upgrade to at least AIX 4.3.
efeaa891 JH	291	EOM
	292	exit 1
	293	;;
	294	esac
19e194ad JH	295	;;
	296	esac
	297	EOCBU
	298
19e194ad	299	cat > UU/use64bitall.cbu <<'EOCBU'
de6124c8 JH	300	# This script UU/use64bitall.cbu will get 'called-back' by Configure
de6124c8 JH	301	# after it has prompted the user for whether to be maximally 64-bitty.
19e194ad JH	302	case "$use64bitall" in
	303	$define\|true\|[yY]*)
	304	case "`oslevel`" in
	305	3.\|4.[012].)
	306	cat >&4 <<EOM
	307	AIX `oslevel` does not support 64-bit interfaces.
	308	You should upgrade to at least AIX 4.3.
	309	EOM
	310	exit 1
	311	;;
	312	esac
	313	echo " "
	314	echo "Checking the CPU width of your hardware..." >&4
	315	$cat >size.c <<EOCP
	316	#include <stdio.h>
	317	#include <sys/systemcfg.h>
	318	int main (void)
	319	{
	320	printf("%d\n",_system_configuration.width);
	321	return(0);
	322	}
	323	EOCP
	324	set size
	325	if eval $compile_ok; then
9422c00b JH	326	qacpuwidth=`./size`
9422c00b JH	327	echo "You are running on $qacpuwidth bit hardware."
19e194ad JH	328	else
	329	dflt="32"
	330	echo " "
	331	echo "(I can't seem to compile the test program. Guessing...)"
	332	rp="What is the width of your CPU (in bits)?"
	333	. ./myread
9422c00b	334	qacpuwidth="$ans"
19e194ad JH	335	fi
19e194ad JH	336	$rm -f size.c size
9422c00b	337	case "$qacpuwidth" in
19e194ad JH	338	32*)
	339	cat >&4 <<EOM
	340	Bzzzt! At present, you can only perform a
	341	full 64-bit build on a 64-bit machine.
	342	EOM
	343	exit 1
	344	;;
	345	esac
9422c00b JH	346	qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
9422c00b JH	347	qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
19e194ad JH	348	# See jhi's comments above regarding this re-eval. I've
	349	# seen similar weirdness in the form of:
	350	#
	351	# 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options.
	352	#
	353	# error messages from 'cc -E' invocation. Again, the offending
	354	# string is simply not detectable by any means. Since it doesn't
	355	# do any harm, I didn't pursue it. -- sh
9422c00b JH	356	qaldflags="`echo $qaldflags`"
9422c00b JH	357	qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null\|sed -e 's@^-l@@' -e 's@ -l@ @g`"
8a647129 JH	358	# -q32 and -b32 may have been set by uselargefiles or user.
8a647129 JH	359	# Remove them.
19e194ad JH	360	ccflags="`echo $ccflags \| sed -e 's@-q32@@'`"
	361	ldflags="`echo $ldflags \| sed -e 's@-b32@@'`"
	362	# Tell archiver to use large format. Unless we remove 'ar'
	363	# from 'trylist', the Configure script will just reset it to 'ar'
	364	# immediately prior to writing config.sh. This took me hours
	365	# to figure out.
bab3591f	366	trylist="`echo $trylist \| sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`"
19e194ad JH	367	ar="ar -X64"
19e194ad JH	368	nm_opt="-X64 $nm_opt"
9422c00b JH	369	# Note: Placing the 'qacflags' variable into the 'ldflags' string
9422c00b JH	370	# is NOT a typo. ldqalags is passed to the C compiler for final
19e194ad	371	# linking, and it wants -q64 (-b64 is for ld only!).
9422c00b	372	case "$qacflags$qaldflags$qalibs" in
19e194ad	373	'');;
9422c00b JH	374	*) ccflags="$ccflags $qacflags"
	375	ldflags="$ldflags $qacflags"
	376	lddqalags="$qaldflags $lddqalags"
	377	libswanted="$libswanted $qalibs"
19e194ad JH	378	;;
	379	esac
	380	case "$ccflags" in
	381	-DUSE_64_BIT_ALL) ;;
	382	*) ccflags="$ccflags -DUSE_64_BIT_ALL";;
	383	esac
	384	case "$archname64" in
	385	''\|64*) archname64=64all ;;
	386	esac
	387	longsize="8"
	388	# Don't try backwards compatibility
	389	bincompat="$undef"
	390	d_bincompat5005="$undef"
9422c00b JH	391	qacflags=''
	392	qaldflags=''
	393	qalibs=''
	394	qacpuwidth=''
efeaa891 JH	395	;;
	396	esac
	397	EOCBU
5b877257	398
de6124c8	399	cat > UU/uselongdouble.cbu <<'EOCBU'
d9b3e12d	400	# This script UU/uselongdouble.cbu will get 'called-back' by Configure
2d4389e4	401	# after it has prompted the user for whether to use long doubles.
d9b3e12d JH	402	case "$uselongdouble" in
d9b3e12d JH	403	$define\|true\|[yY]*)
18e6bcfd MB	404	case "$cc" in
	405	gcc) ;;
	406	*) ccflags="$ccflags -qlongdouble" ;;
	407	esac
4e774c84 SB	408	# The explicit cc128, xlc128, xlC128 are not needed,
4e774c84 SB	409	# the -qlongdouble should do the trick. --jhi
65f19062	410	d_Gconvert='sprintf((b),"%.*llg",(n),(x))'
d9b3e12d JH	411	;;
	412	esac
	413	EOCBU
	414
c88be79f JH	415	# If the C++ libraries, libC and libC_r, are available we will prefer them
c88be79f JH	416	# over the vanilla libc, because the libC contain loadAndInit() and
4e774c84 SB	417	# terminateAndUnload() which work correctly with C++ statics while libc
4e774c84 SB	418	# load() and unload() do not. See ext/DynaLoader/dl_aix.xs.
c88be79f	419	# The C-to-C_r switch is done by usethreads.cbu, if needed.
0903b405	420	if test -f /lib/libC.a -a X"`$cc -v 2>&1 \| grep gcc`" = X; then
e32161bd JH	421	# Cify libswanted.
	422	set `echo X "$libswanted "\| sed -e 's/ c / C c /'`
	423	shift
	424	libswanted="$*"
	425	# Cify lddlflags.
	426	set `echo X "$lddlflags "\| sed -e 's/ -lc / -lC -lc /'`
	427	shift
	428	lddlflags="$*"
c88be79f	429	fi
4e774c84	430
5b877257	431	# EOF