* mkdep: New file.
[deliverable/binutils-gdb.git] / configure
index a86251fa3c6cad6beff828582cb43db25944c011..bc7b65040650d2d1da29d8eeadfc0b9fcaf1cb37 100755 (executable)
--- a/configure
+++ b/configure
@@ -3,7 +3,8 @@
 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
 
 # Configuration script
-# Copyright (C) 1988, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
+# Copyright (C) 1988, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+# 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
@@ -45,22 +46,27 @@ symbolic_link='ln -s'
 
 Makefile=Makefile
 Makefile_in=Makefile.in
-arguments=$*
+arguments=
 build_alias=
-cache_file=
+cache_file=config.cache
 cache_file_option=
 configdirs=
+extraconfigdirs=
+diroptions=
 exec_prefix=
 exec_prefixoption=
 fatal=
 floating_point=default
 gas=default
+gcc_version=
+gcc_version_trigger=
 host_alias=NOHOST
 host_makefile_frag=
 moveifchange=
 norecursion=
 other_options=
 package_makefile_frag=
+package_makefile_rules_frag=
 prefix=/usr/local
 progname=
 program_prefix=
@@ -69,7 +75,7 @@ program_suffix=
 program_suffixoption=
 program_transform_name=
 program_transform_nameoption=
-redirect=">/dev/null"
+redirect=
 removing=
 site=
 site_makefile_frag=
@@ -82,9 +88,52 @@ target_makefile_frag=
 undefs=NOUNDEFS
 version="$Revision$"
 x11=default
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datadir='${prefix}/share'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
 
 ### we might need to use some other shell than /bin/sh for running subshells
-#
+
+### If we are on Windows, search for the shell.  This will permit people
+### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
+### without also having to set CONFIG_SHELL.  This code will work when
+### using bash, which sets OSTYPE.
+case "${OSTYPE}" in
+*win32*)
+  if [ x${CONFIG_SHELL} = x ]; then
+    if [ ! -f /bin/sh ]; then
+      if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
+       CONFIG_SHELL=${SHELL}
+       export CONFIG_SHELL
+      else
+       for prog in sh sh.exe bash bash.exe; do
+         IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
+         for dir in $PATH; do
+           test -z "$dir" && dir=.
+           if test -f $dir/$prog; then
+             CONFIG_SHELL=$dir/$prog
+             export CONFIG_SHELL
+             break
+           fi
+         done
+         IFS="$save_ifs"
+         test -n "${CONFIG_SHELL}" && break
+       done
+      fi
+    fi
+  fi
+  ;;
+esac
+
 config_shell=${CONFIG_SHELL-/bin/sh}
 
 NO_EDIT="This file was generated automatically by configure.  Do not edit."
@@ -137,19 +186,31 @@ do
        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-*)
+       --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
                optarg=$1
                shift
+               arguments="$arguments $option=$optarg"
+               ;;
+       --v)
+               arguments="$arguments -v"
+               ;;
+       --*)
+               arguments="$arguments $option"
                ;;
        esac
 
 # Now, process the options
        case $option in
 
-       --build* | --b*)
+       --bi*)
+               bindir=$optarg
+               diroptions="$diroptions --bindir=$optarg"
+               ;;
+       --build* | --bu*)
                case "$build_alias" in
                "") build_alias=$optarg ;;
                *) echo '***' Can only configure for one build machine at a time.  1>&2
@@ -160,6 +221,10 @@ do
        --cache*)
                cache_file=$optarg
                ;;
+       --da*)
+               datadir=$optarg
+               diroptions="$diroptions --datadir=$optarg"
+               ;;
        --disable-*)
                enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
                eval $enableopt=no
@@ -172,8 +237,8 @@ do
                esac
 
                enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
-               eval $enableopt="$optarg"
-               enableoptions="$enableoptions $option"
+               eval "$enableopt='$optarg'"
+               enableoptions="$enableoptions '$option'"
                ;;
        --exec-prefix* | --ex*)
                exec_prefix=$optarg
@@ -193,12 +258,41 @@ do
                   ;;
                esac
                ;;
+       --inc*)
+               includedir=$optarg
+               diroptions="$diroptions --includedir=$optarg"
+               ;;
+       --inf*)
+               infodir=$optarg
+               diroptions="$diroptions --infodir=$optarg"
+               ;;
+       --libd*)
+               libdir=$optarg
+               diroptions="$diroptions --libdir=$optarg"
+               ;;
+       --libe*)
+               libexecdir=$optarg
+               diroptions="$diroptions --libexecdir=$optarg"
+               ;;
+       --lo*)
+               localstatedir=$optarg
+               diroptions="$diroptions --localstatedir=$optarg"
+               ;;
+       --ma*)
+               mandir=$optarg
+               diroptions="$diroptions --mandir=$optarg"
+               ;;
        --nfp | --nf*)
                floating_point=no
+               floating_pointoption="--nfp"
                ;;
        --norecursion | --no*)
                norecursion=yes
                ;;
+       --ol*)
+               oldincludedir=$optarg
+               diroptions="$diroptions --oldincludedir=$optarg"
+               ;;
        --prefix* | --pre*)
                prefix=$optarg
                prefixoption="--prefix=$optarg"
@@ -219,6 +313,14 @@ do
        --rm)
                removing=--rm
                ;;
+       --sb*)
+               sbindir=$optarg
+               diroptions="$diroptions --sbindir=$optarg"
+               ;;
+       --sh*)
+               sharedstatedir=$optarg
+               diroptions="$diroptions --sharedstatedir=$optarg"
+               ;;
        --silent | --sil* | --quiet | --q*)
                redirect=">/dev/null"
                verbose=--silent
@@ -237,6 +339,10 @@ do
        --srcdir* | --sr*)
                srcdir=$optarg
                ;;
+       --sy*)
+               sysconfdir=$optarg
+               diroptions="$diroptions --sysconfdir=$optarg"
+               ;;
        --target* | --ta*)
                case $target_alias in
                NOTARGET) target_alias=$optarg ;;
@@ -328,7 +434,7 @@ case "${fatal}" in
                        # Neither --host option nor undefs were present.
                        # Call config.guess.
                        guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
-                       if host_alias=`${guesssys}`
+                       if host_alias=`${config_shell} ${guesssys}`
                        then
                                # If the string we are going to use for
                                # the target is a prefix of the string
@@ -353,6 +459,8 @@ case "${fatal}" in
                        ;;
                *)
                        host_alias=$undefs
+                       arguments="--host=$host_alias $arguments"
+                       undefs=NOUNDEFS
                        ;;
                esac
        esac
@@ -367,6 +475,7 @@ case "${fatal}" in
                        ;;
                *)
                        target_alias=$undefs
+                       arguments="--target=$target_alias $arguments"
                        ;;
                esac
        esac
@@ -409,9 +518,11 @@ fi
 
 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
+topsrcdir=`cd \`dirname ${progname}\`; pwd`
+
 
 # this is a hack.  sun4 must always be a valid host alias or this will fail.
-if ${configsub} sun4 >/dev/null 2>&1 ; then
+if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
         true
 else
         echo '***' cannot find config.sub.  1>&2
@@ -419,7 +530,7 @@ else
 fi
 
 touch config.junk
-if ${moveifchange} config.junk config.trash ; then
+if ${config_shell} ${moveifchange} config.junk config.trash ; then
         true
 else
         echo '***' cannot find move-if-change.  1>&2
@@ -440,7 +551,18 @@ case "${srcdir}" in
                 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.
@@ -454,12 +576,35 @@ case "${srcdir}" in
         fi
 esac
 
+
 # default exec_prefix
 case "${exec_prefixoption}" in
 "") exec_prefix="\$(prefix)" ;;
 *) ;;
 esac
 
+# Define the trigger file to make sure configure will re-run whenever
+# the gcc version number changes.
+if [ "${with_gcc_version_trigger+set}" = set ]; then
+    gcc_version_trigger="$with_gcc_version_trigger"
+    gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${with_gcc_version_trigger}`
+else
+    # If gcc's sources are available, define the trigger file.
+    if [ -f ${topsrcdir}/gcc/version.c ] ; then
+       gcc_version_trigger=${topsrcdir}/gcc/version.c
+       gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${gcc_version_trigger}`
+       case "$arguments" in
+         *--with-gcc-version-trigger=$gcc_version_trigger* )
+           ;;
+         * )
+           # Make sure configure.in knows about this.
+           arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
+           ;;
+       esac
+       withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
+    fi
+fi
+
 ### break up ${srcdir}/configure.in.
 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 "")
@@ -482,11 +627,11 @@ case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
            eval exec ${config_shell} ${srcdir}/configure ${verbose} \
                ${buildopt} --host=${host_alias} --target=${target_alias} \
                ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
-               ${srcdiroption} \
+               ${srcdiroption} ${diroptions} \
                ${program_prefixoption} ${program_suffixoption} \
                ${program_transform_nameoption} ${site_option} \
                ${withoptions} ${withoutoptions} \
-               ${enableoptions} ${disableoptions} \
+               ${enableoptions} ${disableoptions} ${floating_pointoption} \
                ${cache_file_option} ${removing} ${other_options} ${redirect}
          else
            echo '***' There is no configure script present though. 1>&2
@@ -510,8 +655,8 @@ case "${TMPDIR}" in
 *) ;;
 esac
 
-# keep this filename short for &%*%$*# 14 char file names
-tmpfile=${TMPDIR}/cONf$$
+# keep this filename short for &%*%$*# 14 char file names and 8+3 file names
+tmpfile=${TMPDIR}/cNf$$
 # 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
@@ -533,8 +678,24 @@ fi
 
 ### do common part of configure.in
 
+# If the language specific compiler does not exist, but the "gcc" directory does,
+# we will skip this directory; in this case the sub-directory's common part
+# of configure.in will create a small shell script "skip-this-dir" containing
+# commands to completely clean up any temporary or created files.
+
 . ${tmpfile}.com
 
+if test -f skip-this-dir; then
+       # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
+       # and reset the trap handler.
+       trap 0
+       rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
+       # Execute the final clean-up actions
+       ${config_shell} skip-this-dir
+       # and stop configuring this directory.
+       exit 0
+fi
+
 # some sanity checks on configure.in
 case "${srctrigger}" in
 "")
@@ -547,9 +708,9 @@ esac
 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_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=${host_alias}
        fi
@@ -557,9 +718,9 @@ case "${build_alias}" in
 *)
        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_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
@@ -574,9 +735,9 @@ 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/'`
+host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 host=${host_cpu}-${host_vendor}-${host_os}
 
 . ${tmpfile}.hst
@@ -587,9 +748,9 @@ 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/'`
+target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 target=${target_cpu}-${target_vendor}-${target_os}
 
 . ${tmpfile}.tgt
@@ -644,41 +805,123 @@ fi
 # If CC and CXX are not set in the environment, and the Makefile
 # exists, try to extract them from it.  This is to handle running
 # ./config.status by hand.
-if [ -z "${CC}" -a -r Makefile ]; then
+if [ -z "${CC}" ] && [ -r Makefile ]; then
   sed -n -e ':loop
 /\\$/ N
-/\\$/ b loop
 s/\\\n//g
+t loop
 /^CC[  ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
   CC=`tail -1 Makefile.cc`
   rm -f Makefile.cc
 fi
 
-if [ -z "${CXX}" -a -r Makefile ]; then
+if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
   sed -n -e ':loop
 /\\$/ N
-/\\$/ b loop
 s/\\\n//g
+t loop
+/^CFLAGS[      ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CFLAGS=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
+
+if [ -z "${CXX}" ] && [ -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
 /^CXX[         ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
   CXX=`tail -1 Makefile.cc`
   rm -f Makefile.cc
 fi
 
+if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
+  sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^CXXFLAGS[    ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+  CXXFLAGS=`tail -1 Makefile.cc`
+  rm -f Makefile.cc
+fi
+
+# Generate a default definition for YACC.  This is used if the makefile can't
+# locate bison or byacc in objdir.
+
+for prog in 'bison -y' byacc yacc
+do
+  set dummy $prog; tmp=$2
+  IFS="${IFS=  }"; save_ifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/$tmp; then
+      DEFAULT_YACC="$prog"
+      break
+    fi
+  done
+  IFS="$save_ifs"
+
+  test -n "$DEFAULT_YACC" && break
+done
+
+# Generate a default definition for M4.  This is used if the makefile can't
+# locate m4 in objdir.
+
+for prog in gm4 gnum4 m4
+do
+  set dummy $prog; tmp=$2
+  IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/$tmp; then
+      DEFAULT_M4="$prog"
+      break
+    fi
+  done
+  IFS="$save_ifs"
+
+  test -n "$DEFAULT_M4" && break
+done
+
+# Generate a default definition for LEX.  This is used if the makefile can't
+# locate flex in objdir.
+
+for prog in flex lex
+do
+  set dummy $prog; tmp=$2
+  IFS="${IFS=  }"; save_ifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/$tmp; then
+      DEFAULT_LEX="$prog"
+      break
+    fi
+  done
+  IFS="$save_ifs"
+
+  test -n "$DEFAULT_LEX" && break
+done
+
+# BINUTILS LOCAL: This is included in the default CFLAGS when using gcc.
+warn_cflags="-W -Wall"
+
 if [ "${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 LEX MAKEINFO NM NM_FOR_TARGET"
-  tools="${tools} RANLIB RANLIB_FOR_TARGET"
+  tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
+  tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
+  tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
+  tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
+  tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 
   for var in ${tools}; do
-    if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+    if [ -z "`eval 'echo $'"${var}"`" ] && [ -r Makefile ]; then
       sed -n -e ':loop
 /\\$/ N
-/\\$/ b loop
 s/\\\n//g
+t loop
 /^'"${var}"'[  ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
        < Makefile > Makefile.v
       t=`tail -1 Makefile.v`
@@ -693,38 +936,50 @@ s/\\\n//g
   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
   AS=${AS-${host_alias}-as}
   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
+  BISON=${BISON-bison}
   CC=${CC-${host_alias}-gcc}
-  CXX=${CXX-${host_alias}-gcc}
+  CFLAGS=${CFLAGS-"-g -O2 ${warn_cflags}"}
+  CXX=${CXX-${host_alias}-c++}
+  CXXFLAGS=${CXXFLAGS-"-g -O2"}
   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
-  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
+  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
+  DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
+  DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
+  GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${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-${target_alias}-ranlib}
+  WINDRES=${WINDRES-${host_alias}-windres}
+  WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 
-  if [ -z "${BISON}" ]; then
+  if [ -z "${YACC}" ]; 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
+      if test -f $dir/bison; then
+       YACC="bison -y"
        break
       fi
-      if test -f $dir/bison; then
-       BISON=bison
+      if test -f $dir/byacc; then
+       YACC=byacc
        break
       fi
       if test -f $dir/yacc; then
-       BISON=yacc
+       YACC=yacc
        break
       fi
     done
     IFS="$save_ifs"
-    BISON=${BISON-bison}
+    if [ -z "${YACC}" ]; then
+      YACC="bison -y"
+    fi
   fi
 
   if [ -z "${LEX}" ]; then
@@ -748,8 +1003,11 @@ s/\\\n//g
   export AS
   export AR
   export CC_FOR_BUILD
+  export DLLTOOL
+  export LD
   export NM
   export RANLIB
+  export WINDRES
 else
   # If CC is still not set, try to get gcc.
   if [ -z "${CC}" ]; then
@@ -758,18 +1016,50 @@ else
       test -z "$dir" && dir=.
       if test -f $dir/gcc; then
        CC="gcc"
+       echo 'void f(){}' > conftest.c
+       if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+         CFLAGS=${CFLAGS-"-g -O2 ${warn_cflags}"}
+         CXXFLAGS=${CXXFLAGS-"-g -O2"}
+       else
+         CFLAGS=${CFLAGS-"-O2 ${warn_cflags}"}
+         CXXFLAGS=${CXXFLAGS-"-O2"}
+       fi
+       rm -f conftest*
        break
       fi
     done
     IFS="$save_ifs"
     CC=${CC-cc}
+  else
+    if test -z "${CFLAGS}"; then
+      # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
+      # is set to a version of gcc.
+      case "${CC}" in
+      *gcc)
+       echo 'void f(){}' > conftest.c
+       if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+         CFLAGS=${CFLAGS-"-g -O2 ${warn_cflags}"}
+         CXXFLAGS=${CXXFLAGS-"-g -O2"}
+       else
+         CFLAGS=${CFLAGS-"-O2 ${warn_cflags}"}
+         CXXFLAGS=${CXXFLAGS-"-O2"}
+       fi
+       rm -f conftest*
+       ;;
+      esac
+    fi
   fi
 
-  CXX=${CXX-"g++ -O"}
+  CXX=${CXX-"c++"}
+  CFLAGS=${CFLAGS-"-g"}
+  CXXFLAGS=${CXXFLAGS-"-g -O2"}
 fi
 
 export CC
 export CXX
+export CFLAGS
+export CXXFLAGS
+
 
 for subdir in . ${subdirs} ; do
 
@@ -828,27 +1118,34 @@ for subdir in . ${subdirs} ; do
                 set ${links}; link=$1; shift; links=$*
 
                 if [ ! -r ${srcdir}/${file} ] ; then
+                  if [ ! -r ${file} ] ; then
+                   
                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
                         exit 1
+                 else
+                       srcfile=${file}
+                 fi
+               else
+                       srcfile=${srcdir}/${file}
                 fi
 
                 ${remove} -f ${link}
                # Make a symlink if possible, otherwise try a hard link
-               if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
+               if ${symbolic_link} ${srcfile} ${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}
+                       ${hard_link} ${srcfile} ${link}
                fi
                 if [ ! -r ${link} ] ; then
-                        echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+                        echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
                         exit 1
                 fi
 
-                echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+                echo "Linked \"${link}\" to \"${srcfile}\"."
         done
 
         # Create a .gdbinit file which runs the one in srcdir
@@ -874,88 +1171,101 @@ EOF
         # been somewhat optimized and is perhaps a bit twisty.
 
         # code is order so as to try to sed the smallest input files we know.
+        # so do these separately because I don't trust the order of sed -e expressions.
 
-        # the four makefile fragments MUST end up in the resulting Makefile in this order: 
-        # package, target, host, and site.  so do these separately because I don't trust the
-        #  order of sed -e expressions.
+        # the five makefile fragments MUST end up in the resulting Makefile in this order: 
+        # package macros, target, host, site, and package rules.
 
         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 
-            # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
-            rm -f ${subdir}/Makefile.tem
-              case "${site}" in
+            # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
+            rm -f ${subdir}/${Makefile}.tem
+            case "${package_makefile_rules_frag}" in
               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
+              *)
+                      if [ ! -f ${package_makefile_rules_frag} ] ; then
+                              package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
+                      fi
+                      if [ -f ${package_makefile_rules_frag} ] ; then
+                              sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
+                      else
+                              echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
+                              echo '***' is missing in ${PWD=`pwd`}. 1>&2
+                              cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
+                      fi
+            esac
+            # working copy now in ${Makefile}.tem
+
+            # Conditionalize for this site.
+            rm -f ${Makefile}
+              case "${site}" in
+              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
               *)
                       site_makefile_frag=${srcdir}/config/ms-${site}
 
                       if [ -f ${site_makefile_frag} ] ; then
-                              sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
-                                      > ${subdir}/Makefile.tem
+                              sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
+                                      > ${Makefile}
                       else
-                              cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
+                              mv ${subdir}/Makefile.tem ${Makefile}
                               site_makefile_frag=
                       fi
                       ;;
             esac
-            # working copy now in ${subdir}/Makefile.tem
+            # working copy now in ${Makefile}
 
             # Conditionalize the makefile for this host.
-            rm -f ${Makefile}
+            rm -f ${subdir}/Makefile.tem
             case "${host_makefile_frag}" in
-              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+              "") mv ${Makefile} ${subdir}/Makefile.tem ;;
               *)
                       if [ ! -f ${host_makefile_frag} ] ; then
                               host_makefile_frag=${srcdir}/${host_makefile_frag}
                       fi
                       if [ -f ${host_makefile_frag} ] ; then
-                              sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+                              sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
                       else
                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
-                              mv ${subdir}/Makefile.tem ${Makefile}
+                              mv ${Makefile} ${subdir}/Makefile.tem
                       fi
             esac
-            # working copy now in ${Makefile}
+            # working copy now in ${subdir)/Makefile.tem
 
             # Conditionalize the makefile for this target.
-            rm -f ${subdir}/Makefile.tem
+            rm -f ${Makefile}
             case "${target_makefile_frag}" in
-              "") mv ${Makefile} ${subdir}/Makefile.tem ;;
+              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
               *)
                       if [ ! -f ${target_makefile_frag} ] ; then
                               target_makefile_frag=${srcdir}/${target_makefile_frag}
                       fi
                       if [ -f ${target_makefile_frag} ] ; then
-                              sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
+                              sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
                       else
-                              mv ${Makefile} ${subdir}/Makefile.tem
+                              mv ${subdir}/Makefile.tem ${Makefile}
                               target_makefile_frag=
                       fi
                       ;;
             esac
-            # real copy now in ${subdir}/Makefile.tem
+            # working copy now in ${Makefile}
 
-            # Conditionalize the makefile for this package.
-            rm -f ${Makefile}
+            # Emit the default values of this package's macros.
+            rm -f ${subdir}/Makefile.tem
             case "${package_makefile_frag}" in
-              "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+              "") mv ${Makefile} ${subdir}/Makefile.tem ;;
               *)
                       if [ ! -f ${package_makefile_frag} ] ; then
                               package_makefile_frag=${srcdir}/${package_makefile_frag}
                       fi
                       if [ -f ${package_makefile_frag} ] ; then
-                              sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
-                             rm -f ${subdir}/Makefile.tem
+                              sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
                       else
-                              echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
+                              echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
-                              mv ${subdir}/Makefile.tem ${Makefile}
+                              mv ${Makefile} ${subdir}/Makefile.tem
                       fi
             esac
-            # working copy now in ${Makefile}
-
-            mv ${Makefile} ${subdir}/Makefile.tem
-
             # real copy now in ${subdir}/Makefile.tem
 
             # prepend warning about editting, and a bunch of variables.
@@ -1008,40 +1318,89 @@ EOF
                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
             fi 
 
+           # record if we want to build shared libs.
+           if test -z "${enable_shared}"; then
+               echo enable_shared = no >> ${Makefile}
+           else
+               echo enable_shared = ${enable_shared} >> ${Makefile}
+           fi
+           # record if we want to rumtime library stuff installed in libsubdir.
+           if test -z "${enable_version_specific_runtime_libs}"; then
+               echo enable_version_specific_runtime_libs = no >> ${Makefile}
+           else
+               echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
+           fi
+
+           # Emit a macro which describes the file containing gcc's
+           # version number.
+           echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
+           # And emit a macro defining gcc's version number.
+           echo gcc_version = ${gcc_version} >> ${Makefile}
+
             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
             # remove any form feeds.
             if [ -z "${subdirs}" ]; then
-                rm -f ${subdir}/Makefile.tem2
+                rm -f ${subdir}/Makefile.tm2
                 sed -e "s:^SUBDIRS[    ]*=.*$:SUBDIRS = ${configdirs}:" \
                     -e "s:^NONSUBDIRS[         ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
-                    ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
+                    ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
                 rm -f ${subdir}/Makefile.tem
-                mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
-            fi
-            sed -e "s:^prefix[         ]*=.*$:prefix = ${prefix}:" \
-                    -e "s:^exec_prefix[        ]*=.*$:exec_prefix = ${exec_prefix}:" \
+                mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
+           fi
+           sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
+                    -e "s|^exec_prefix[        ]*=.*$|exec_prefix = ${exec_prefix}|" \
+                    -e "s|^bindir[     ]*=.*$|bindir = ${bindir}|" \
+                    -e "s|^sbindir[    ]*=.*$|sbindir = ${sbindir}|" \
+                    -e "s|^libexecdir[         ]*=.*$|libexecdir = ${libexecdir}|" \
+                    -e "s|^datadir[    ]*=.*$|datadir = ${datadir}|" \
+                    -e "s|^sysconfdir[         ]*=.*$|sysconfdir = ${sysconfdir}|" \
+                    -e "s|^sharedstatedir[     ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
+                    -e "s|^localstatedir[      ]*=.*$|localstatedir = ${localstatedir}|" \
+                    -e "s|^libdir[     ]*=.*$|libdir = ${libdir}|" \
+                    -e "s|^includedir[         ]*=.*$|includedir = ${includedir}|" \
+                    -e "s|^oldincludedir[      ]*=.*$|oldincludedir = ${oldincludedir}|" \
+                    -e "s|^infodir[    ]*=.*$|infodir = ${infodir}|" \
+                    -e "s|^mandir[     ]*=.*$|mandir = ${mandir}|" \
                    -e "/^CC[   ]*=/{
                        :loop1
                        /\\\\$/ N
-                       /\\\\$/ b loop1
                        s/\\\\\\n//g
+                       t loop1
                        s%^CC[  ]*=.*$%CC = ${CC}%
                        }" \
                    -e "/^CXX[  ]*=/{
                        :loop2
                        /\\\\$/ N
-                       /\\\\$/ b loop2
                        s/\\\\\\n//g
+                       t loop2
                        s%^CXX[         ]*=.*$%CXX = ${CXX}%
                        }" \
-                   -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
-                    -e "s:^srcdir[     ]*=.*$:srcdir = ${makesrcdir}:" \
+                   -e "/^CFLAGS[       ]*=/{
+                       :loop3
+                       /\\\\$/ N
+                       s/\\\\\\n//g
+                       t loop3
+                       s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
+                       }" \
+                   -e "/^CXXFLAGS[     ]*=/{
+                       :loop4
+                       /\\\\$/ N
+                       s/\\\\\\n//g
+                       t loop4
+                       s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
+                       }" \
+                   -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
+                    -e "s|^srcdir[     ]*=.*$|srcdir = ${makesrcdir}|" \
                     -e "s/\f//" \
                     -e "s:^program_prefix[     ]*=.*$:program_prefix = ${program_prefix}:" \
                     -e "s:^program_suffix[     ]*=.*$:program_suffix = ${program_suffix}:" \
                     -e "s:^program_transform_name[     ]*=.*$:program_transform_name = ${program_transform_name}:" \
-                    -e "s:^tooldir[    ]*=.*$:tooldir = ${tooldir}:" \
+                    -e "s|^tooldir[    ]*=.*$|tooldir = ${tooldir}|" \
+                   -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
+                   -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
+                   -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
                     ${subdir}/Makefile.tem >> ${Makefile}
+  
 
            # If this is a Canadian Cross, preset the values of many more
            # tools.
@@ -1116,27 +1475,41 @@ ${progname}" ${arguments}  "
         if [ -r ${subdir}/config.back ] ; then
                 mv -f ${subdir}/config.back ${subdir}/config.status
         fi
-        ${moveifchange} ${subdir}/config.new ${subdir}/config.status
+       ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
         ;;
 
     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
     esac
 done
 
-# If there are subdirectories, then recur. 
-if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
-        for configdir in ${configdirs} ; do
+# If there are subdirectories, then recur.
+if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
+        for configdir in ${configdirs} ${extraconfigdirs} ; do
+
+               # If configdir contains ',' it is
+               # srcdir,builddir,target_alias
+               # These come from extraconfigdirs.
+               case ${configdir} in
+               *,*)
+                   eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
+                   ;;
+               *)
+                   cfg_dir=${configdir}
+                   bld_dir=${configdir}
+                   tgt_alias=${target_alias}
+                   ;;
+               esac
 
-                if [ -d ${srcdir}/${configdir} ] ; then
+                if [ -d ${srcdir}/${cfg_dir} ] ; then
                         eval echo Configuring ${configdir}... ${redirect}
                         case "${srcdir}" in
                         ".") ;;
                         *)
-                                if [ ! -d ./${configdir} ] ; then
-                                        if mkdir ./${configdir} ; then
+                                if [ ! -d ./${bld_dir} ] ; then
+                                        if mkdir ./${bld_dir} ; then
                                                 true
                                         else
-                                                echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
+                                                echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
                                                 exit 1
                                         fi
                                 fi
@@ -1144,17 +1517,21 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
                         esac
 
                         POPDIR=${PWD=`pwd`}
-                        cd ${configdir} 
+                        cd ${bld_dir} 
 
 ### figure out what to do with srcdir
                         case "${srcdir}" in
                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
                         /*) # absolute path
-                                newsrcdir=${srcdir}/${configdir}
+                                newsrcdir=${srcdir}/${cfg_dir}
+                                srcdiroption="--srcdir=${newsrcdir}"
+                                ;;
+                        ?:*) # absolute path on win32
+                                newsrcdir=${srcdir}/${cfg_dir}
                                 srcdiroption="--srcdir=${newsrcdir}"
                                 ;;
                         *) # otherwise relative
-                                newsrcdir=../${srcdir}/${configdir}
+                                newsrcdir=../${srcdir}/${cfg_dir}
                                 srcdiroption="--srcdir=${newsrcdir}"
                                 ;;
                         esac
@@ -1166,6 +1543,9 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
                        /*) # absolute path
                                cache_file_option="--cache-file=${cache_file}"
                                ;;
+                       ?:*) # absolute path on win32
+                               cache_file_option="--cache-file=${cache_file}"
+                               ;;
                        *) # relative path
                                cache_file_option="--cache-file=../${cache_file}"
                                ;;
@@ -1177,18 +1557,19 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
                         elif [ -f ${newsrcdir}/configure.in ] ; then
                                 case "${progname}" in
                                 /*)     recprog=${progname} ;;
+                                ?:*)    recprog=${progname} ;;
                                 *)      recprog=../${progname} ;;
                                 esac
                        else
-                               eval echo No configuration information in ${configdir} ${redirect}
+                               eval echo No configuration information in ${cfg_dir} ${redirect}
                                recprog=
                         fi
 
 ### The recursion line is here.
                        if [ ! -z "${recprog}" ] ; then
-                               if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
+                               if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_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} ; then
+                                       ${srcdiroption} ${diroptions} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
                                        true
                                else
                                        echo Configure in `pwd` failed, exiting. 1>&2
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