Add switches to control AIX multlibs
[deliverable/binutils-gdb.git] / configure
index 9dcc2946166b823c774ba1add340551588ad1599..b8a2aef95abb926de8600e771c743631baf31d1b 100755 (executable)
--- a/configure
+++ b/configure
@@ -3,7 +3,7 @@
 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
 
 # Configuration script
-#   Copyright (C) 1988, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+# Copyright (C) 1988, 90, 91, 92, 93, 94 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
 # 
 # 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-# Please email any bugs, comments, and/or additions to this file to:
-# configure@cygnus.com
-
-# This file was written by K. Richard Pixley.
+# This file was originally written by K. Richard Pixley.
 
 #
 # Shell script to create proper links to machine-dependent files in
@@ -48,23 +45,21 @@ symbolic_link='ln -s'
 
 Makefile=Makefile
 Makefile_in=Makefile.in
-arguments=$*
+arguments=
+build_alias=
+cache_file=
+cache_file_option=
 configdirs=
 exec_prefix=
 exec_prefixoption=
 fatal=
 floating_point=default
 gas=default
-host_alias=
+host_alias=NOHOST
 host_makefile_frag=
 moveifchange=
-next_host=
-next_prefix=
-next_site=
-next_srcdir=
-next_target=
-next_tmpdir=
 norecursion=
+other_options=
 package_makefile_frag=
 prefix=/usr/local
 progname=
@@ -82,15 +77,15 @@ site_option=
 srcdir=
 srctrigger=
 subdirs=
-target_alias=
+target_alias=NOTARGET
 target_makefile_frag=
-undefinedargs=
+undefs=NOUNDEFS
 version="$Revision$"
 x11=default
 
 ### we might need to use some other shell than /bin/sh for running subshells
 #
-config_shell=${CONFIG_SHELL-}
+config_shell=${CONFIG_SHELL-/bin/sh}
 
 NO_EDIT="This file was generated automatically by configure.  Do not edit."
 
@@ -115,300 +110,312 @@ case "${progname}" in
         ;;
 esac
 
-for arg in $*
+# Loop over all args
+
+while :
 do
-        # handle things that might have args following as separate words
-        if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
-        elif [ -n "${next_exec_prefix}" ] ; then
-                exec_prefix=${arg}
-                exec_prefixoption="-exec-prefix=${exec_prefix}"
-                next_exec_prefix=
-        elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
-        # remove any possible trailing slash from srcdir.  See note below.
-        elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
-        elif [ -n "${next_program_prefix}" ] ; then
-                program_prefix=${arg}
-                program_prefixoption="-program_prefix=${program_prefix}"
-                next_program_prefix=
-        elif [ -n "${next_program_suffix}" ] ; then
-                program_suffix=${arg}
-                program_suffixoption="-program_suffix=${program_suffix}"
-                next_program_suffix=
-        elif [ -n "${next_program_transform_name}" ] ; then
-                # Double any backslashes or dollar signs in the argument
-               if [ -n "${arg}" ] ; then
-                       program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
-               fi
-                program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
-                next_program_transform_name=
-        elif [ -n "${next_target}" ] ; then
-                next_target=
-                case "${target_alias}" in
-                "")
-                        target_alias="${arg}"
-                        ;;
-                *)
-                        echo '***' Can only configure for one target at a time.  1>&2
-                        fatal=yes
-                        ;;
-                esac
-        elif [ -n "${next_host}" ] ; then
-                next_host=
-                case "${host_alias}" in
-                "")
-                        host_alias="${arg}"
-                        ;;
-                *)
-                        echo '***' Can only configure for one host at a time.  1>&2
-                        fatal=yes
-                        ;;
-                esac
-        elif [ -n "${next_tmpdir}" ] ; then
-                next_tmpdir=
-                tmpdiroption="--tmpdir=${arg}"
-                TMPDIR=${arg}
 
-        else
-                case ${arg} in
-                -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=* | -exec-prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
-                        exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
-                        exec_prefixoption=${arg}
-                        ;;
-                -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
-                        next_exec_prefix=yes
-                        ;;
-                -gas | --g*)
-                        gas=yes
-                        ;;
-                -help | --he*)
-                        fatal=true
-                        ;;
-                -host=* | --host=* | --hos=* | --ho=*)
-                        case "${host_alias}" in
-                        "")
-                                host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
-                                ;;
-                        *)
-                                echo '***' Can only configure for one host at a time.  1>&2
-                                fatal=yes
-                                ;;
-                        esac
-                        ;;
-                -host=* | --host | --hos | --ho)
-                        case "${host_alias}" in
-                        "")
-                                next_host=yes
-                                ;;
-                        *)
-                                echo '***' Can only configure for one host at a time.  1>&2
-                                fatal=yes
-                                ;;
-                        esac
-                        ;;
-                -nfp | --nf*)
-                        floating_point=no
-                        ;;
-                -norecursion | --no*)
-                        norecursion=true
-                        ;;
-                -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
-                        prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                        prefixoption=${arg}
-                        ;;
-                -prefix | --prefix | --prefi | --pref | --pre)
-                        next_prefix=yes
-                        ;;
-                -rm | --rm) removing=${arg} ;;
-                -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | -program-prefix=* | --program-prefix=* | --program-prefi=* | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
-                        program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
-                        program_prefixoption=${arg}
-                        ;;
-                -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | -program-prefix | --program-prefix | --program-prefi | --program-pref | --program-pre | --program-pr | --program-p)
-                        next_program_prefix=yes
-                        ;;
-                -program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=* | -program-suffix=* | --program-suffix=* | --program-suffi=* | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
-                        program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
-                        program_suffixoption=${arg}
-                        ;;
-                -program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s |-program-suffix | --program-suffix | --program-suffi | --program-suff | --program-suf | --program-su | --program-s)
-                        next_program_suffix=yes
-                        ;;
-                -program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=* | -program-transform-name=* | --program-transform-name=* | --program-transform-nam=* | --program-transform-na=* | --program-transform-n=* | --program-transform-=* | --program-transform=* | --program-transfor=* | --program-transfo=* | --program-transf=* | --program-trans=* | --program-tran=* | --program-tra=* | --program-tr=* | --program-t=*)
-                       arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
-                        # Double any \ or $ in the argument
-                       if [ -n "${arg}" ] ; then
-                               program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
-                       fi
-                        program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
-                        ;;
-                -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
-                        next_program_transform_name=yes
-                        ;;
-                -site=* | --site=* | --sit=* | --si=*)
-                        site_option=${arg}
-                        site=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                        ;;
-                -site | --site | --sit)
-                        next_site=yes
-                        ;;
-                # remove trailing slashes.  Otherwise, when the file name gets
-                # bolted into an object file as debug info, it has two slashes in
-                # it.  Ordinarily this is ok, but emacs takes double slash to
-                # mean "forget the first part".
-                -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
-                        srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
-                        ;;
-                -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
-                        next_srcdir=yes
-                        ;;
-                -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
-                        case "${target_alias}" in
-                        "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
-                        *)
-                                echo '***' Can only configure for one target at a time.  1>&2
-                                fatal=yes
-                                ;;
-                        esac
-                        ;;
-                -target | --target | --targe | --targ | --tar | --ta)
-                        next_target=yes
-                        ;;
-                -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
-                        tmpdiroption=${arg}
-                        TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
-                        ;;
-                -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
-                        next_tmpdir=yes
-                        ;;
-                -v | -verbose | --v)
-                        redirect=
-                        verbose=-v
-                        ;;
-                -version | -V | --version | --V)
-                        echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
-                        exit 0
-                        ;;
-                -with*=* | --with*=*)
-                        withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
-                        withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
-                        eval $withopt="$withval"
-                        withoptions="$withoptions $arg"
-                        ;;
-                -without* | --without*)
-                        withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`               
-                        eval $withopt=no
-                        withoutoptions="$withoutoptions $arg"
-                        ;;
-                -with* | --with*)
-                        withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
-                        eval $withopt=yes
-                        withoptions="$withoptions $arg"
-                        ;;
-                -x | --x) ;;
-                -* | --*)
-                        (echo ;
-                        echo "Unrecognized option: \"${arg}\"". ;
-                        echo) 1>&2
-                        fatal=true
-                        ;;
-                *)
-                        case "${undefs}" in
-                        "")
-                                undefs="${arg}"
-                                ;;
-                        *)
-                                echo '***' Can only configure for one host and one target at a time.  1>&2
-                                fatal=yes
-                                ;;
-                        esac
-                        ;;
-                esac
-        fi
+# Break out if there are no more args
+       case $# in
+       0)
+               break
+               ;;
+       esac
+
+# Get the first arg, and shuffle
+       option=$1
+       shift
+
+# Make all options have two hyphens
+       orig_option=$option     # Save original for error messages
+       case $option in
+       --*) ;;
+       -*) option=-$option ;;
+       esac
+               
+# Split out the argument for options that take them
+       case $option in
+       --*=*)
+               optarg=`echo $option | sed -e 's/^[^=]*=//'`
+               arguments="$arguments $option"
+               ;;
+# These options have mandatory values.  Since we didn't find an = sign,
+# the value must be in the next argument
+       --b* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-*)
+               optarg=$1
+               shift
+               arguments="$arguments $option=$optarg"
+               ;;
+       --v)
+               arguments="$arguments -v"
+               ;;
+       --*)
+               arguments="$arguments $option"
+               ;;
+       esac
+
+# Now, process the options
+       case $option in
+
+       --build* | --b*)
+               case "$build_alias" in
+               "") build_alias=$optarg ;;
+               *) echo '***' Can only configure for one build machine at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
+               ;;
+       --cache*)
+               cache_file=$optarg
+               ;;
+       --disable-*)
+               enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
+               eval $enableopt=no
+               disableoptions="$disableoptions $option"
+               ;;
+       --enable-*)
+               case "$option" in
+               *=*)    ;;
+               *)      optarg=yes ;;
+               esac
+
+               enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
+               eval $enableopt="$optarg"
+               enableoptions="$enableoptions $option"
+               ;;
+       --exec-prefix* | --ex*)
+               exec_prefix=$optarg
+               exec_prefixoption="--exec-prefix=$optarg"
+               ;;
+       --gas | --g*)
+               gas=yes
+               ;;
+       --help | --he*)
+               fatal=yes
+               ;;
+       --host* | --ho*)
+               case $host_alias in
+               NOHOST) host_alias=$optarg ;;
+               *) echo '***' Can only configure for one host at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
+               ;;
+       --nfp | --nf*)
+               floating_point=no
+               ;;
+       --norecursion | --no*)
+               norecursion=yes
+               ;;
+       --prefix* | --pre*)
+               prefix=$optarg
+               prefixoption="--prefix=$optarg"
+               ;;
+       --program-prefix* | --program-p*)
+               program_prefix=$optarg
+               program_prefixoption="--program-prefix=$optarg"
+               ;;
+       --program-suffix* | --program-s*)
+               program_suffix=$optarg
+               program_suffixoption="--program-suffix=$optarg"
+               ;;
+       --program-transform-name* | --program-t*)
+               # Double any backslashes or dollar signs in the argument
+               program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
+               program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
+               ;;
+       --rm)
+               removing=--rm
+               ;;
+       --silent | --sil* | --quiet | --q*)
+               redirect=">/dev/null"
+               verbose=--silent
+               ;;
+       --site* | --sit*)
+               site=$optarg
+               site_option="--site=$optarg"
+               ;;
+       --srcdir*/ | --sr*/)
+                # Remove trailing slashes.  Otherwise, when the file name gets
+                # bolted into an object file as debug info, it has two slashes
+                # in it.  Ordinarily this is ok, but emacs takes double slash
+                # to mean "forget the first part".
+               srcdir=`echo $optarg | sed -e 's:/$::'`
+               ;;
+       --srcdir* | --sr*)
+               srcdir=$optarg
+               ;;
+       --target* | --ta*)
+               case $target_alias in
+               NOTARGET) target_alias=$optarg ;;
+               *) echo '***' Can only configure for one target at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
+               ;;
+       --tmpdir* | --tm*)
+               TMPDIR=$optarg
+               tmpdiroption="--tmpdir=$optarg"
+               ;;
+       --verbose | --v | --verb*)
+               redirect=
+               verbose=--verbose
+               ;;
+       --version | --V | --vers*)
+               echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
+               exit 0
+               ;;
+       --with-*)
+               case "$option" in
+               *=*)    ;;
+               *)      optarg=yes ;;
+               esac
+
+               withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
+               eval $withopt="$optarg"
+               withoptions="$withoptions $option"
+               ;;
+       --without-*)
+               withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
+               eval $withopt=no
+               withoutoptions="$withoutoptions $option"
+               ;;
+       --x)    with_x=yes
+               withoptions="$withoptions --with-x"
+               ;;
+       --x-i* | --x-l*) other_options="$other_options $orig_option"
+               ;;
+       --*)
+               echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
+               exit 1
+               ;;
+       *)
+               case $undefs in
+               NOUNDEFS) undefs=$option ;;
+               *) echo '***' Can only configure for one host and one target at a time.  1>&2
+                  fatal=yes
+                  ;;
+               esac
+               ;;
+       esac
 done
 
 # process host and target
+
+# Do some error checking and defaulting for the host and target type.
+# The inputs are:
+#    configure --host=HOST --target=TARGET UNDEFS
+#
+# The rules are:
+# 1. You aren't allowed to specify --host, --target, and undefs at the
+#    same time.
+# 2. Host defaults to undefs.
+# 3. If undefs is not specified, then host defaults to the current host,
+#    as determined by config.guess.
+# 4. Target defaults to undefs.
+# 5. If undefs is not specified, then target defaults to host.
+
 case "${fatal}" in
 "")
-#       # Complain if an arg is missing
-#       if [ -z "${host_alias}" ] ; then
-#               (echo ;
-#               echo "configure: No HOST specified." ;
-#               echo) 1>&2
-#               fatal=true
-#       fi
-
-### This is a bit twisted.
-### * if all three are specified, this is an error.
-### * if we have neither hosts, nor unadorned args, this is an error.
-### * if no hosts are specified, then the unadorned args are hosts, but if
-### there were none, this is an error.
-### * if no targets are specified, then the unadorned args are targets, but if
-### there were no unadorned args, then the hosts are also targets.
-
-        if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
-                echo '***' Can only configure for one host and one target at a time.  1>&2
-                fatal=yes
-        elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
-                guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
-                if tmp_alias=`${guesssys}` ; then
-                        echo "Configuring for a ${tmp_alias} host." 1>&2
-                        host_alias=${tmp_alias}
-                       case "${target_alias}" in
-                       "") target_alias=${tmp_alias} ;;
-                       *) ;;
-                       esac
-                       arguments="--host=${host_alias} ${arguments}"
-                else
-                        echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
-                        fatal=yes
-                fi
-        else
-                case "${host_alias}" in
-                "") host_alias=${undefs} ;;
-                *) ;;
-                esac
-
-                case "${target_alias}" in
-                "")
-                        case "${undefs}" in
-                        "")     target_alias=${host_alias} ;;
-                        *)      target_alias=${undefs} ;;
-                        esac
-                        ;;
-                *) ;;
-                esac
-        fi
-        ;;
+       # Make sure that host, target & undefs aren't all specified at the
+       # same time.
+       case $host_alias---$target_alias---$undefs in
+       NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
+               ;;
+       *) echo '***' Can only configure for one host and one target at a time.  1>&2
+          fatal=yes
+          break 2
+               ;;
+       esac
+
+       # Now, do defaulting for host.
+       case $host_alias in
+       NOHOST)
+               case $undefs in
+               NOUNDEFS)
+                       # Neither --host option nor undefs were present.
+                       # Call config.guess.
+                       guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
+                       if host_alias=`${guesssys}`
+                       then
+                               # If the string we are going to use for
+                               # the target is a prefix of the string
+                               # we just guessed for the host, then
+                               # assume we are running native, and force
+                               # the same string for both target and host.
+                               case $target_alias in
+                               NOTARGET) ;;
+                               *)
+                                       if expr $host_alias : $target_alias >/dev/null
+                                       then
+                                               host_alias=$target_alias
+                                       fi
+                                       ;;
+                               esac
+                               echo "Configuring for a ${host_alias} host." 1>&2
+                               arguments="--host=$host_alias $arguments"
+                       else
+                               echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
+                               fatal=yes
+                       fi
+                       ;;
+               *)
+                       host_alias=$undefs
+                       arguments="--host=$host_alias $arguments"
+                       undefs=NOUNDEFS
+                       ;;
+               esac
+       esac
+
+       # Do defaulting for target.  If --target option isn't present, default
+       # to undefs.  If undefs isn't present, default to host.
+       case $target_alias in
+       NOTARGET)
+               case $undefs in
+               NOUNDEFS)
+                       target_alias=$host_alias
+                       ;;
+               *)
+                       target_alias=$undefs
+                       arguments="--target=$target_alias $arguments"
+                       ;;
+               esac
+       esac
+       ;;
 *) ;;
 esac
 
 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
-        (echo "Usage: configure HOST" ;
-        echo ;
-        echo "Options: [defaults in brackets]" ;
-        echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
-        echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
-        echo " --help                    print this message. [normal config]" ;
-        echo " --norecursion             configure this directory only. [recurse]" ;
-        echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
-        echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
-        echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
-        echo " --site=SITE               configure with site specific makefile for SITE" ;
-        echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
-        echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
-        echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
-        echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
-        echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
-        echo " --without-FOO             specify that FOO is NOT available"
-        echo ;
-        echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
-        echo ;
-        ) 1>&2
-        if [ -r config.status ] ; then
-                cat config.status
-        fi
-
-        exit 1
+       exec 1>&2
+       echo Usage: configure [OPTIONS] [HOST]
+       echo
+       echo Options: [defaults in brackets]
+       echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
+       echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
+       echo ' --help                    print this message [normal config]'
+       echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
+       echo ' --host=HOST               configure for HOST [determined via config.guess]'
+       echo ' --norecursion             configure this directory only [recurse]'
+       echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
+       echo ' --program-suffix=FOO      append FOO to installed program names [""]'
+       echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
+       echo ' --site=SITE               configure with site-specific makefile for SITE'
+       echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
+       echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
+       echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
+       echo ' --nfp                     configure for software floating point [hard float]'
+       echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
+       echo ' --without-FOO             package FOO is NOT available'
+       echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
+       echo ' --disable-FOO             do not include feature FOO'
+       echo
+       echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
+       echo
+       if [ -r config.status ] ; then
+               cat config.status
+       fi
+
+       exit 1
 fi
 
 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
@@ -439,12 +446,23 @@ case "${srcdir}" in
                 if [ -r ${progname}.in ] ; then
                         srcdir=`echo ${progname} | sed 's:/configure$::'`
                 else
-                        echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
+                        echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
                         exit 1
                 fi
         fi
         ;;
-*) ;;
+*)
+       # Set srcdir to "." if that's what it is.
+       # This is important for multilib support.
+       if [ ! -d ${srcdir} ] ; then
+               echo "Invalid source directory ${srcdir}" >&2
+               exit 1
+       fi
+       pwd=`pwd`
+       srcpwd=`cd ${srcdir} ; pwd`
+       if [ "${pwd}" = "${srcpwd}" ] ; then
+               srcdir=.
+       fi
 esac
 
 ### warn about some conflicting configurations.
@@ -459,7 +477,7 @@ case "${srcdir}" in
 esac
 
 # default exec_prefix
-case "${exec_prefix}" in
+case "${exec_prefixoption}" in
 "") exec_prefix="\$(prefix)" ;;
 *) ;;
 esac
@@ -467,7 +485,35 @@ esac
 ### break up ${srcdir}/configure.in.
 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 "")
-        echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
+        echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
+       # Check for a directory that's been converted to use autoconf since
+       # it was last configured.
+       if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
+         echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
+         if [ -r ${srcdir}/configure ] ; then
+           echo '***' Running the local configure script. 1>&2
+           case "${cache_file}" in
+           "") cache_file_option= ;;
+           *)  cache_file_option="--cache-file=${cache_file}" ;;
+           esac
+           srcdiroption="--srcdir=${srcdir}"
+           case "${build_alias}" in
+           "") buildopt= ;;
+           *)  buildopt="--build=${build_alias}" ;;
+           esac
+           eval exec ${config_shell} ${srcdir}/configure ${verbose} \
+               ${buildopt} --host=${host_alias} --target=${target_alias} \
+               ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
+               ${srcdiroption} \
+               ${program_prefixoption} ${program_suffixoption} \
+               ${program_transform_nameoption} ${site_option} \
+               ${withoptions} ${withoutoptions} \
+               ${enableoptions} ${disableoptions} \
+               ${cache_file_option} ${removing} ${other_options} ${redirect}
+         else
+           echo '***' There is no configure script present though. 1>&2
+         fi
+       fi
         exit 1
         ;;
 *) ;;
@@ -475,7 +521,7 @@ esac
 
 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 "")
-        echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
+        echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
         exit 1
         ;;
 *) ;;
@@ -488,7 +534,12 @@ esac
 
 # keep this filename short for &%*%$*# 14 char file names
 tmpfile=${TMPDIR}/cONf$$
-trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
+# Note that under many versions of sh a trap handler for 0 will *override* any
+# exit status you explicitly specify!  At this point, the only non-error exit
+# is at the end of the script; these actions are duplicated there, minus
+# the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
+# trap handler, or you'll lose.
+trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 
 # split ${srcdir}/configure.in into common, per-host, per-target,
 # and post-target parts.  Post-target is optional.
@@ -515,7 +566,36 @@ case "${srctrigger}" in
 *) ;;
 esac
 
-result=`${configsub} ${host_alias}`
+case "${build_alias}" in
+"")
+       if result=`${config_shell} ${configsub} ${host_alias}` ; then
+           build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+           build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+           build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+           build=${build_cpu}-${build_vendor}-${build_os}
+           build_alias=${host_alias}
+       fi
+       ;;
+*)
+       if result=`${config_shell} ${configsub} ${build_alias}` ; then
+           buildopt="--build=${build_alias}"
+           build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+           build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+           build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+           build=${build_cpu}-${build_vendor}-${build_os}
+       else
+           echo "Unrecognized build system name ${build_alias}." 1>&2
+           exit 1
+       fi
+       ;;
+esac
+
+if result=`${config_shell} ${configsub} ${host_alias}` ; then
+    true
+else
+    echo "Unrecognized host system name ${host_alias}." 1>&2
+    exit 1
+fi
 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
@@ -523,7 +603,12 @@ host=${host_cpu}-${host_vendor}-${host_os}
 
 . ${tmpfile}.hst
 
-result=`${configsub} ${target_alias}`
+if result=`${config_shell} ${configsub} ${target_alias}` ; then
+    true
+else
+    echo "Unrecognized target system name ${target_alias}." 1>&2
+    exit 1
+fi
 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
@@ -567,16 +652,150 @@ if [ "${host_alias}" != "${target_alias}" ] ; then
     fi
 fi
 
-# Merge program_prefix and program_suffix onto program_transform_name
-# Use a double $ so that make ignores it
+# Merge program_prefix and program_suffix onto program_transform_name.
+# (program_suffix used to use $, but it's hard to preserve $ through both
+# make and sh.)
 if [ "${program_suffix}" != "" ] ; then
-    program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
+    program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 fi
 
 if [ "${program_prefix}" != "" ] ; then
-    program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
+    program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
+fi
+
+# If CC and CXX are not set in the environment, and the Makefile
+# exists, try to extract them from it.  This is to handle running
+# ./config.status by hand.
+if [ -z "${CC}" -a -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^CC[  ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CC=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
+
+if [ -z "${CXX}" -a -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^CXX[         ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CXX=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
+
+if [ "${build}" != "${host}" ]; then
+  # If we are doing a Canadian Cross, in which the host and build systems
+  # are not the same, we set reasonable default values for the tools.
+
+  tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
+  tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET HOST_PREFIX"
+  tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
+  tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
+
+  for var in ${tools}; do
+    if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+      sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^'"${var}"'[  ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
+       < Makefile > Makefile.v
+      t=`tail -1 Makefile.v`
+      if [ -n "${t}" ]; then
+       eval "${var}='${t}'"
+      fi
+      rm -f Makefile.v
+    fi
+  done
+
+  AR=${AR-${host_alias}-ar}
+  AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
+  AS=${AS-${host_alias}-as}
+  AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
+  CC=${CC-${host_alias}-gcc}
+  CXX=${CXX-${host_alias}-gcc}
+  CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+  CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
+  HOST_PREFIX=${build_alias}-
+  HOST_PREFIX_1=${build_alias}-
+  LD=${LD-${host_alias}-ld}
+  LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
+  MAKEINFO=${MAKEINFO-makeinfo}
+  NM=${NM-${host_alias}-nm}
+  NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
+  RANLIB=${RANLIB-${host_alias}-ranlib}
+  RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
+
+  if [ -z "${BISON}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/byacc; then
+       BISON=byacc
+       break
+      fi
+      if test -f $dir/bison; then
+       BISON=bison
+       break
+      fi
+      if test -f $dir/yacc; then
+       BISON=yacc
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    BISON=${BISON-bison}
+  fi
+
+  if [ -z "${LEX}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/flex; then
+       LEX=flex
+       break
+      fi
+      if test -f $dir/lex; then
+       LEX=lex
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    LEX=${LEX-flex}
+  fi
+
+  # Export variables which autoconf might try to set.
+  export AS
+  export AR
+  export CC_FOR_BUILD
+  export LD
+  export NM
+  export RANLIB
+else
+  # If CC is still not set, try to get gcc.
+  if [ -z "${CC}" ]; then
+    IFS="${IFS=        }"; save_ifs="$IFS"; IFS="${IFS}:"
+    for dir in $PATH; do
+      test -z "$dir" && dir=.
+      if test -f $dir/gcc; then
+       CC="gcc -O2"
+       break
+      fi
+    done
+    IFS="$save_ifs"
+    CC=${CC-cc}
+  fi
+
+  CXX=${CXX-"gcc"}
 fi
 
+export CC
+export CXX
+
 for subdir in . ${subdirs} ; do
 
     # ${subdir} is relative path from . to the directory we're currently
@@ -640,9 +859,15 @@ for subdir in . ${subdirs} ; do
                 fi
 
                 ${remove} -f ${link}
-                # Make a symlink if possible, otherwise try a hard link
-                ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
-
+               # Make a symlink if possible, otherwise try a hard link
+               if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
+                       true
+               else
+                       # We need to re-remove the file because Lynx leaves a 
+                       # very strange directory there when it fails an NFS symlink.
+                       ${remove} -r -f ${link}
+                       ${hard_link} ${srcdir}/${file} ${link}
+               fi
                 if [ ! -r ${link} ] ; then
                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
                         exit 1
@@ -659,8 +884,8 @@ for subdir in . ${subdirs} ; do
                 .) ;;
                 *) cat > ${subdir}/.gdbinit <<EOF
 # ${NO_EDIT}
-dir .
 dir ${makesrcdir}
+dir .
 source ${makesrcdir}/.gdbinit
 EOF
                         ;;
@@ -745,6 +970,7 @@ EOF
                       fi
                       if [ -f ${package_makefile_frag} ] ; then
                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+                             rm -f ${subdir}/Makefile.tem
                       else
                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
@@ -774,6 +1000,17 @@ target_vendor = ${target_vendor}
 target_os = ${target_os}
 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 EOF
+           case "${build}" in
+             "") ;;
+             *)  cat >> ${Makefile} << EOF
+build_alias = ${build_alias}
+build_cpu = ${build_cpu}
+build_vendor = ${build_vendor}
+build_os = ${build_os}
+build_canonical = ${build_cpu}-${build_vendor}-${build_os}
+EOF
+           esac
+
             case "${package_makefile_frag}" in
               "") ;;
               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
@@ -796,11 +1033,6 @@ EOF
                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
             fi 
 
-           # make sure that some sort of reasonable default exists for these 
-           # two variables
-           CXX=${CXX-"g++ -O"}
-           CC=${CC-cc}
-
             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
             # remove any form feeds.
             if [ -z "${subdirs}" ]; then
@@ -814,23 +1046,20 @@ EOF
             sed -e "s:^prefix[         ]*=.*$:prefix = ${prefix}:" \
                     -e "s:^exec_prefix[        ]*=.*$:exec_prefix = ${exec_prefix}:" \
                    -e "/^CC[   ]*=/{
-                       b chkcc
-                       :contcc
-                       N
-                       :chkcc
-                       s/\\\\$//
-                       t contcc
-                       s/^CC[  ]*=.*$/CC = ${CC}/
+                       :loop1
+                       /\\\\$/ N
+                       /\\\\$/ b loop1
+                       s/\\\\\\n//g
+                       s%^CC[  ]*=.*$%CC = ${CC}%
                        }" \
                    -e "/^CXX[  ]*=/{
-                       b chkcxx
-                       :contcxx
-                       N
-                       :chkcxx
-                       s/\\\\$//
-                       t contcxx
-                       s/^CXX[         ]*=.*$/CXX = ${CXX}/
+                       :loop2
+                       /\\\\$/ N
+                       /\\\\$/ b loop2
+                       s/\\\\\\n//g
+                       s%^CXX[         ]*=.*$%CXX = ${CXX}%
                        }" \
+                   -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
                     -e "s:^srcdir[     ]*=.*$:srcdir = ${makesrcdir}:" \
                     -e "s/\f//" \
                     -e "s:^program_prefix[     ]*=.*$:program_prefix = ${program_prefix}:" \
@@ -838,6 +1067,23 @@ EOF
                     -e "s:^program_transform_name[     ]*=.*$:program_transform_name = ${program_transform_name}:" \
                     -e "s:^tooldir[    ]*=.*$:tooldir = ${tooldir}:" \
                     ${subdir}/Makefile.tem >> ${Makefile}
+
+           # If this is a Canadian Cross, preset the values of many more
+           # tools.
+           if [ "${build}" != "${host}" ]; then
+               for var in ${tools}; do
+                   val=`eval 'echo $'"${var}"`
+                   sed -e "/^${var}[   ]*=/{
+                          :loop1
+                          /\\\\$/ N
+                          /\\\\$/ b loop1
+                          s/\\\\\\n//g
+                          s%^${var}[   ]*=.*$%${var} = ${val}%
+                          }" ${Makefile} > ${Makefile}.tem
+                   mv -f ${Makefile}.tem ${Makefile}
+               done
+           fi
+
             # final copy now in ${Makefile}
 
         else
@@ -873,7 +1119,7 @@ EOF
         # Makefiles.
 
         case "${norecursion}" in
-        "") arguments="${arguments} -norecursion" ;;
+        "") arguments="${arguments} --norecursion" ;;
         *) ;;
         esac
 
@@ -930,14 +1176,26 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
                         /*) # absolute path
                                 newsrcdir=${srcdir}/${configdir}
-                                srcdiroption="-srcdir=${newsrcdir}"
+                                srcdiroption="--srcdir=${newsrcdir}"
                                 ;;
                         *) # otherwise relative
                                 newsrcdir=../${srcdir}/${configdir}
-                                srcdiroption="-srcdir=${newsrcdir}"
+                                srcdiroption="--srcdir=${newsrcdir}"
                                 ;;
                         esac
 
+                       # Handle --cache-file=../XXX
+                       case "${cache_file}" in
+                       "") # empty
+                               ;;
+                       /*) # absolute path
+                               cache_file_option="--cache-file=${cache_file}"
+                               ;;
+                       *) # relative path
+                               cache_file_option="--cache-file=../${cache_file}"
+                               ;;
+                       esac
+
 ### check for guested configure, otherwise fix possibly relative progname
                         if [ -f ${newsrcdir}/configure ] ; then
                                 recprog=${newsrcdir}/configure
@@ -953,11 +1211,12 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 
 ### The recursion line is here.
                        if [ ! -z "${recprog}" ] ; then
-                               if eval ${config_shell} ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
+                               if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
                                        ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
-                                       ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
+                                       ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
                                        true
                                else
+                                       echo Configure in `pwd` failed, exiting. 1>&2
                                        exit 1
                                fi
                        fi
@@ -967,6 +1226,11 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
         done
 fi
 
+# Perform the same cleanup as the trap handler, minus the "exit 1" of course,
+# and reset the trap handler.
+rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
+trap 0
+
 exit 0
 
 #
This page took 0.037708 seconds and 4 git commands to generate.