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#! /bin/sh

#

# shobj-conf -- output a series of variable assignments to be substituted

#               into a Makefile by configure which specify system-dependent

#               information for creating shared objects that may be loaded

#               into bash with `enable -f'

#

# usage: shobj-conf [-C compiler] -c host_cpu -o host_os -v host_vendor

#

# Chet Ramey

# chet@po.cwru.edu

# Copyright (C) 1996-2002 Free Software Foundation, Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2, or (at your option)

# any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.

#

# defaults

#

SHOBJ_STATUS=supported

SHLIB_STATUS=supported

SHOBJ_CC=cc

SHOBJ_CFLAGS=

SHOBJ_LD=

SHOBJ_LDFLAGS=

SHOBJ_XLDFLAGS=

SHOBJ_LIBS=

SHLIB_XLDFLAGS=

SHLIB_LIBS=

SHLIB_DOT='.'

SHLIB_LIBPREF='lib'

SHLIB_LIBSUFF='so'

SHLIB_LIBVERSION='$(SHLIB_LIBSUFF)'

SHLIB_DLLVERSION='$(SHLIB_MAJOR)'

PROGNAME=`basename $0`

USAGE="$PROGNAME [-C compiler] -c host_cpu -o host_os -v host_vendor"

while [ $# -gt 0 ]; do

        case "$1" in

        -C)     shift; SHOBJ_CC="$1"; shift ;;

        -c)     shift; host_cpu="$1"; shift ;;

        -o)     shift; host_os="$1"; shift ;;

        -v)     shift; host_vendor="$1"; shift ;;

        *)      echo "$USAGE" >&2 ; exit 2;;

        esac

done

case "${host_os}-${SHOBJ_CC}" in

sunos4*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD=/usr/bin/ld

        SHOBJ_LDFLAGS='-assert pure-text'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

sunos4*)

        SHOBJ_CFLAGS=-pic

        SHOBJ_LD=/usr/bin/ld

        SHOBJ_LDFLAGS='-assert pure-text'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

sunos5*-*gcc*|solaris2*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        ld_used=`gcc -print-prog-name=ld`

        if ${ld_used} -V 2>&1 | grep GNU >/dev/null 2>&1; then

                # This line works for the GNU ld

                SHOBJ_LDFLAGS='-shared -Wl,-h,$@'

        else

                # This line works for the Solaris linker in /usr/ccs/bin/ld

                SHOBJ_LDFLAGS='-shared -Wl,-i -Wl,-h,$@'

        fi

#       SHLIB_XLDFLAGS='-R $(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sunos5*|solaris2*)

        SHOBJ_CFLAGS='-K pic'

        SHOBJ_LD=/usr/ccs/bin/ld

        SHOBJ_LDFLAGS='-G -dy -z text -i -h $@'

#       SHLIB_XLDFLAGS='-R $(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

# All versions of Linux or the semi-mythical GNU Hurd.

linux*-*|gnu*-*|k*bsd*-gnu-*)

        SHOBJ_CFLAGS=-fPIC

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'

        SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir) -Wl,-soname,`basename $@ $(SHLIB_MINOR)`'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

freebsd2* | netbsd*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-x -Bshareable'

        SHLIB_XLDFLAGS='-R$(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

# FreeBSD-3.x ELF

freebsd[3-9]*|freebsdelf[3-9]*|freebsdaout[3-9]*|dragonfly*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        if [ -x /usr/bin/objformat ] && [ "`/usr/bin/objformat`" = "elf" ]; then

                SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'

                SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'

                SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        else

                SHOBJ_LDFLAGS='-shared'

                SHLIB_XLDFLAGS='-R$(libdir)'

                SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        fi

        ;;

# Darwin/MacOS X

darwin*|macosx*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=supported

        SHOBJ_CFLAGS='-fno-common'

        SHOBJ_LD='${CC}'

        SHLIB_LIBVERSION='$(SHLIB_MAJOR)$(SHLIB_MINOR).$(SHLIB_LIBSUFF)'

        SHLIB_LIBSUFF='dylib'

        case "${host_os}" in

        darwin[78]*)    SHOBJ_LDFLAGS=''

                        SHLIB_XLDFLAGS='-dynamiclib -arch_only `/usr/bin/arch` -install_name $(libdir)/$@ -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v'

                        ;;

        *)              SHOBJ_LDFLAGS='-dynamic'

                        SHLIB_XLDFLAGS='-arch_only `/usr/bin/arch` -install_name $(libdir)/$@ -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v'

                        ;;

        esac

        SHLIB_LIBS='-lncurses'  # see if -lcurses works on MacOS X 10.1

        ;;

openbsd*)

        SHOBJ_CFLAGS=-fPIC

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_XLDFLAGS='-R$(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

bsdi2*)

        SHOBJ_CC=shlicc2

        SHOBJ_CFLAGS=

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS=-r

        SHOBJ_LIBS=-lc_s.2.1.0

        # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in

        # the ass -- they require changing {/usr/lib,etc}/shlib.map on

        # each system, and the library creation process is byzantine

        SHLIB_STATUS=unsupported

        ;;

bsdi3*)

        SHOBJ_CC=shlicc2

        SHOBJ_CFLAGS=

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS=-r

        SHOBJ_LIBS=-lc_s.3.0.0

        # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in

        # the ass -- they require changing {/usr/lib,etc}/shlib.map on

        # each system, and the library creation process is byzantine

        SHLIB_STATUS=unsupported

        ;;

bsdi4*)

        # BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked

        # shared libraries.  gcc 2.x is the standard compiler, and the

        # `normal' gcc options should work as they do in Linux.

        SHOBJ_CFLAGS=-fPIC

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'

        SHLIB_XLDFLAGS='-Wl,-soname,`basename $@ $(SHLIB_MINOR)`'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'

        ;;

osf*-*gcc*)

        # Fix to use gcc linker driver from bfischer@TechFak.Uni-Bielefeld.DE

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'

        SHLIB_XLDFLAGS='-rpath $(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

osf*)

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'

        SHLIB_XLDFLAGS='-rpath $(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

aix4.[2-9]*-*gcc*)              # lightly tested by jik@cisco.com

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='ld'

        SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'

        SHOBJ_XLDFLAGS='-G'

        SHLIB_XLDFLAGS='-bM:SRE'

        SHLIB_LIBS='-lcurses -lc'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

aix4.[2-9]*)

        SHOBJ_CFLAGS=-K

        SHOBJ_LD='ld'

        SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'

        SHOBJ_XLDFLAGS='-G'

        SHLIB_XLDFLAGS='-bM:SRE'

        SHLIB_LIBS='-lcurses -lc'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

#

# THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface

#

irix[56]*-*gcc*)

        SHOBJ_CFLAGS='-fpic'

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'

        SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

irix[56]*)

        SHOBJ_CFLAGS='-K PIC'

        SHOBJ_LD=ld

#       SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'

#       Change from David Kaelbling .  If you have problems,

#       remove the `-no_unresolved'

        SHOBJ_LDFLAGS='-shared -no_unresolved -soname $@'

        SHLIB_XLDFLAGS='-rpath $(libdir)'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux9*-*gcc*)

        # must use gcc; the bundled cc cannot compile PIC code

        SHOBJ_CFLAGS='-fpic'

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'

        SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'

        SHLIB_LIBSUFF='sl'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux9*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=unsupported

        # If you are using the HP ANSI C compiler, you can uncomment and use

        # this code (I have not tested it)

#       SHOBJ_STATUS=supported

#       SHLIB_STATUS=supported

#

#       SHOBJ_CFLAGS='+z'

#       SHOBJ_LD='ld'

#       SHOBJ_LDFLAGS='-b +s'

#

#       SHLIB_XLDFLAGS='+b $(libdir)'

#       SHLIB_LIBSUFF='sl'

#       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux10*-*gcc*)

        # must use gcc; the bundled cc cannot compile PIC code

        SHOBJ_CFLAGS='-fpic'

        SHOBJ_LD='${CC}'

        # if you have problems linking here, moving the `-Wl,+h,$@' from

        # SHLIB_XLDFLAGS to SHOBJ_LDFLAGS has been reported to work

        SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'

        SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'

        SHLIB_LIBSUFF='sl'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux10*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=unsupported

        # If you are using the HP ANSI C compiler, you can uncomment and use

        # this code (I have not tested it)

#       SHOBJ_STATUS=supported

#       SHLIB_STATUS=supported

#

#       SHOBJ_CFLAGS='+z'

#       SHOBJ_LD='ld'

#       SHOBJ_LDFLAGS='-b +s +h $@'

#

#       SHLIB_XLDFLAGS='+b $(libdir)'

#       SHLIB_LIBSUFF='sl'

#       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux11*-*gcc*)

        # must use gcc; the bundled cc cannot compile PIC code

        SHOBJ_CFLAGS='-fpic'

        SHOBJ_LD='${CC}'

#       SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'

        SHOBJ_LDFLAGS='-shared -fpic -Wl,-b -Wl,+s -Wl,+h,$@'

        SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'

        SHLIB_LIBSUFF='sl'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

hpux11*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=unsupported

        # If you are using the HP ANSI C compiler, you can uncomment and use

        # this code (I have not tested it)

#       SHOBJ_STATUS=supported

#       SHLIB_STATUS=supported

#

#       SHOBJ_CFLAGS='+z'

#       SHOBJ_LD='ld'

#       SHOBJ_LDFLAGS='-b +s +h $@'

#

#       SHLIB_XLDFLAGS='+b $(libdir)'

#       SHLIB_LIBSUFF='sl'

#       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv4*-*gcc*)

        SHOBJ_CFLAGS=-shared

        SHOBJ_LDFLAGS='-shared -h $@'

        SHOBJ_LD='${CC}'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv4*)

        SHOBJ_CFLAGS='-K PIC'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-dy -z text -G -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sco3.2v5*-*gcc*)

        SHOBJ_CFLAGS='-fpic'            # DEFAULTS TO ELF

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sco3.2v5*)

        SHOBJ_CFLAGS='-K pic -b elf'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5uw7*-*gcc*)

        SHOBJ_CFLAGS='-fpic'

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5uw7*)

        SHOBJ_CFLAGS='-K PIC'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-G -dy -z text -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5UnixWare*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5UnixWare*)

        SHOBJ_CFLAGS='-K PIC'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-G -dy -z text -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5OpenUNIX*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

sysv5OpenUNIX*)

        SHOBJ_CFLAGS='-K PIC'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-G -dy -z text -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

dgux*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

dgux*)

        SHOBJ_CFLAGS='-K pic'

        SHOBJ_LD=ld

        SHOBJ_LDFLAGS='-G -dy -h $@'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

msdos*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=unsupported

        ;;

cygwin*)

        SHOBJ_LD='$(CC)'

        SHOBJ_LDFLAGS='-shared -Wl,--enable-auto-import -Wl,--enable-auto-image-base -Wl,--export-all -Wl,--out-implib=$(@).a'

        SHLIB_LIBPREF='cyg'

        SHLIB_LIBSUFF='dll'

        SHLIB_LIBVERSION='$(SHLIB_DLLVERSION).$(SHLIB_LIBSUFF)'

        SHLIB_LIBS='$(TERMCAP_LIB)'

        SHLIB_DOT=

        # For official cygwin releases, DLLVERSION will be defined in the

        # environment of configure, and will be incremented any time the API

        # changes in a non-backwards compatible manner.  Otherwise, it is just

        # SHLIB_MAJOR.

        if [ -n "$DLLVERSION" ] ; then

                SHLIB_DLLVERSION="$DLLVERSION"

        fi

        ;;

#

# Rely on correct gcc configuration for everything else

#

*-*gcc*)

        SHOBJ_CFLAGS=-fpic

        SHOBJ_LD='${CC}'

        SHOBJ_LDFLAGS='-shared'

        SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'

        ;;

*)

        SHOBJ_STATUS=unsupported

        SHLIB_STATUS=unsupported

        ;;

esac

echo SHOBJ_CC=\'"$SHOBJ_CC"\'

echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'

echo SHOBJ_LD=\'"$SHOBJ_LD"\'

echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'

echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'

echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'

echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'

echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'

echo SHLIB_DOT=\'"$SHLIB_DOT"\'

echo SHLIB_LIBPREF=\'"$SHLIB_LIBPREF"\'

echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'

echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'

echo SHLIB_DLLVERSION=\'"$SHLIB_DLLVERSION"\'

echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'

echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'

exit 0