X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fconfigure.in;h=b04ca1ac0146b5d41f71860b60d15d0dfa694f60;hb=e39c2bd2e21426e4a48dd0fc0d9698ae43b853e3;hp=d7967ec04e7dcdab214a8ed1793b7fb5e1eac425;hpb=967d40ca76bb03a50621314468ba9f6eeed6f998;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/configure.in b/bfd/configure.in
index d7967ec04e..b04ca1ac01 100644
--- a/bfd/configure.in
+++ b/bfd/configure.in
@@ -1,253 +1,590 @@
-# This file is a shell script that supplies the information necessary
-# to tailor a template configure script into the configure script
-# appropriate for this directory.  For more information, check any
-# existing configure script.
-
-configdirs="doc"
-srctrigger=libbfd.c
-srcname="BFD"
-target_dependent=true
-
-# per-host:
-
-case "${host_cpu}" in
-
-rs6000)	my_host=rs6000
-	;;
-
-mips)
-	case "${host_vendor}" in
-	dec)	my_host=decstation ;;
-	sgi)
-		case "${host_os}" in
-		irix3)	my_host=irix3 ;;
-		irix4)	my_host=irix4 ;;
-		esac
-		;;
-	esac
-	;;
-
-m88k)
-	case "${host_vendor}" in
-	motorola)
-		my_host=delta88 ;;
-	harris)
-		my_host=harris ;;
-	*)
-		case "${host_os}" in
-		dgux)	my_host=dgux ;;
-		esac
-		;;
-	esac
-	;;
-
-m68*)
-	case "${host_vendor}" in
-	cbm)
-		case ${host_os} in
-		amigados)	my_host=amigados ;;
-		sysv4*)		my_host=amix ;;
-		esac
-		;;
-	hp)	
-		case "${host_os}" in
-		hpux)	my_host=hp9000 ;;
-		bsd)	my_host=hp300bsd ;;
-		esac
-		;;
-	sony)	my_host=news ;;
-	sun)	my_host=sun3 ;;
-	apollo*)
-		case "${host_os}" in
-		sysv*)	my_host=apollov68 ;;
- 		bsd*)	my_host=apollo68 ;;
-		esac
-		;;
-	esac
-	;;
-
-i860)	my_host=stratus
-	;;
-
-i386 | i486)
-	case "${host_vendor}" in
-	ncr*)
-		case "${host_os}" in
-		sysv4*)	my_host=ncr3000 ;;
-		esac
-		;;
-	*)
-		case "${host_os}" in
-		go32) my_host=go32 ;;
-		sysv4*)	my_host=i386v4 ;;
-		sysv* | scosysv*) my_host=i386v ;;
-		mach*)	my_host=i386mach ;;
-		msdos*)	my_host=dose ;;
-		linux)	my_host=i386linux ;;
-		esac
-		;;
-	esac
-	;;
-
-sparc)
-	case "${host_os}" in
-	sunos64)	my_host=sparc-ll ;;
-	sysv4)		my_host=sysv4 ;;
-	solaris2)	my_host=solaris2 ;;
-	sysv64)		my_host=sysv4-ll ;;
-	*)		my_host=sparc ;;
-	esac
-	;;
-
-romp)	my_host=rtbsd
-	;;
-
-a29k)	my_host=ultra3
-	;;
-
-tahoe)
-	my_host=tahoe
-	;;
-
-vax)
-	case "${host_os}" in
-	ultrix*) my_host=vaxult ;;
-	*) my_host=vaxbsd ;;
-	esac
-	;;
-hppa*)
-	case "${host_vendor}" in
-	hp)
-		case "${host_os}" in
-		hpux)	my_host=hppahpux ;;
-		bsd)	my_host=hppabsd ;;
-		esac
-		;;
-	esac
-	;;
-esac
+dnl Process this file with autoconf to produce a configure script.
+dnl
+AC_PREREQ(2.3)
+AC_INIT(libbfd.c)
+
+AC_ARG_ENABLE(64-bit-bfd,
+[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
+[case "${enableval}" in
+  yes)  want64=true  ;;
+  no)   want64=false ;;
+  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
+esac],[want64=false])dnl
+AC_ARG_ENABLE(targets,
+[  --enable-targets        alternative target configurations],
+[case "${enableval}" in
+  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+            ;;
+  no)       enable_targets= ;;
+  *)        enable_targets=$enableval ;;
+esac])dnl
+AC_ARG_ENABLE(shared,
+[  --enable-shared         build shared BFD library],
+[case "${enableval}" in
+  yes) shared=true ;;
+  no)  shared=false ;;
+  *bfd*) shared=true ;;
+  *) shared=false ;;
+esac])dnl
+AC_ARG_ENABLE(commonbfdlib,
+[  --enable-commonbfdlib   build shared BFD/opcodes/libiberty library],
+[case "${enableval}" in
+  yes) commonbfdlib=true ;;
+  no)  commonbfdlib=false ;;
+  *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
+esac])dnl
+AC_ARG_WITH(mmap,
+[  --with-mmap             try using mmap for BFD input files if available],
+[case "${withval}" in
+  yes)  want_mmap=true ;;
+  no)   want_mmap=false ;;
+  *)    AC_MSG_ERROR(bad value ${withval} for BFD with-mmap option) ;;
+esac],[want_mmap=false])dnl
+
+AC_CONFIG_HEADER(config.h:config.in)
+
+AC_CONFIG_AUX_DIR(`cd $srcdir/..;pwd`)
+AC_CANONICAL_SYSTEM
+if test -z "$target" ; then
+    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
+fi
+AC_ARG_PROGRAM
+
+host64=false
+target64=false
+
+# host stuff:
+
+ALLLIBS='$(TARGETLIB)'
+PICFLAG=
+SHLIB=unused-shlib
+SHLINK=unused-shlink
+if test "${shared}" = "true"; then
+  PICFLAG=-fpic
+  if test "${commonbfdlib}" = "true"; then
+    ALLLIBS='$(TARGETLIB)'
+  else
+    ALLLIBS='$(TARGETLIB) $(SHLIB) $(SHLINK)'
+changequote(,)dnl
+    SHLIB=libbfd.so.`sed -e 's/[^0-9]*\([0-9.]*\).*/\1/' ${srcdir}/VERSION`
+changequote([,])dnl
+    SHLINK=libbfd.so
+  fi
+fi
 
-# Set up to make a link between the host's include file and "sysdep.h".
-files="hosts/${my_host}.h"
-links="sysdep.h"
+AC_PROG_CC
 
-if [ ! -f ${srcdir}/${files} ] ; then
-	if [ -n "${my_host}" ] ; then
-		echo '***' No file ${srcdir}/${files} 1>&2
-	fi
-	echo '***' ${srcname} does not support host ${host} 1>&2
-	exit 1
+# Permit host specific settings.
+. ${srcdir}/configure.host
+
+AC_SUBST(HDEFINES)
+AC_CHECK_TOOL(AR, ar)
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+AC_PROG_INSTALL
+
+if test "${shared}" = "true"; then
+  if test "${GCC}" != "yes" && test "${shared_non_gcc}" != "yes"; then
+    AC_MSG_WARN([BFD --enable-shared only supported when using gcc])
+    shared=false
+    ALLLIBS='$(TARGETLIB)'
+    PICFLAG=
+    SHLIB=unused-shlib
+  fi
 fi
 
-host_makefile_frag=
-if [ -f ${srcdir}/config/${my_host}.mh ] ; then
-	host_makefile_frag=config/${my_host}.mh
+AC_SUBST(ALLLIBS)
+AC_SUBST(PICFLAG)
+AC_SUBST(SHLIB)
+AC_SUBST(SHLIB_CC)
+AC_SUBST(SHLIB_CFLAGS)
+if test "${commonbfdlib}" = "true"; then
+  COMMON_SHLIB=yes
+  PICLIST=piclist
+else
+  COMMON_SHLIB=
+  PICLIST=
 fi
+AC_SUBST(COMMON_SHLIB)
+AC_SUBST(PICLIST)
+AC_SUBST(SHLINK)
 
-# per-target:
-
-case "${target}" in
-
-rs6000-ibm-*		) bfd_target=rs6000 ;;
-
-a29k-amd-ebmon		) bfd_target=a29k-coff ;;
-a29k-amd-udi		) bfd_target=a29k-coff ;;
-a29k-amd-*		) bfd_target=a29k-aout ;;
-
-h8300-hitachi-*		) bfd_target=h8300-coff ;;
-*-hitachi-*		) echo "bad hitachi cpu"; exit 1 ;;
-
-i960-wrs-*		) bfd_target=i960-bout ;;
-m68k-wrs-*		) bfd_target=m68k-aout ;;
-m68k-netx-*		) bfd_target=m68k-aout ;;
-m680[01234]0-wrs-*	) bfd_target=m68k-aout ;;
-m680[01234]0-netx-*	) bfd_target=m68k-aout ;;
-m683?2-wrs-*		) bfd_target=m68k-aout ;;
-m683?2-netx-*		) bfd_target=m68k-aout ;;
-sparc-wrs-*		) bfd_target=sparc-aout ;;
-
-m68*-ericsson-*		) bfd_target=m68k-aout ;;
-
-m68k-sun-*		) bfd_target=m68k-aout ;;
-m680[01234]0-sun-*	) bfd_target=m68k-aout ;;
-m683?2-sun-*		) bfd_target=m68k-aout ;;
-sparc-sun-sysv4		) bfd_target=sparc-elf ;;
-sparc-sun-solaris2*	) bfd_target=sparc-elf ;;
-sparc-sun-*		) bfd_target=sparc-aout ;;
-
-mips-dec-*		) bfd_target=decstation ;;
-vax-dec-*		) bfd_target=vax ;;
-
-m68k-hp-hpux		) bfd_target=hp9000 ;;
-m680[01234]0-hp-hpux	) bfd_target=hp9000 ;;
-m683?2-hp-hpux		) bfd_target=hp9000 ;;
-m68k-hp-bsd		) bfd_target=hp300bsd ;;
-m60[01234]0-hp-bsd	) bfd_target=hp300bsd ;;
-m683?2-hp-bsd		) bfd_target=hp300bsd ;;
-
-mips-sgi-*		) bfd_target=irix3 ;;
-mips-big-*		) bfd_target=irix3 ;;
-	
-*-tandem-*		) bfd_target=st2000 ;;
-
-m68k-none-os68k		) bfd_target=m68k-aout ;;
-m680[01234]0-none-os68k	) bfd_target=m68k-aout ;;
-m683?2-none-os68k	) bfd_target=m68k-aout ;;
-i386-sco-*		) bfd_target=i386-coff ;;
-
-m68*-*-aout		) bfd_target=m68k-aout ;;
-m68*-*-coff		) bfd_target=m68k-coff ;;
-
-a29k-none-aout		) bfd_target=a29k-aout ;;
-a29k-none-coff		) bfd_target=a29k-coff ;;
-a29k-nyu-sym1		) bfd_target=a29k-coff ;;
-
-m88k-harris-*		) bfd_target=m88k-coff ;;
-m88k-motorola-*		) bfd_target=m88k-coff ;;
-
-vax-*-*			) bfd_target=vax ;;
-tahoe-*-*		) bfd_target=tahoe ;;
-
-hppa*-hp-hpux		) bfd_target=hppahpux ;;
-hppa*-hp-bsd		) bfd_target=hppabsd ;;
-
-i[34]86-ncr-sysv4*	) bfd_target=i386-elf ;;
-
-*-*-aout		) bfd_target=${target_cpu}-aout ;;
-*-*-bsd			) bfd_target=${target_cpu}-aout ;;
-*-*-sysv4*		) bfd_target=${target_cpu}-elf ;;
-*-*-solaris2*		) bfd_target=${target_cpu}-elf ;;
-*-*-go32		) bfd_target=${target_cpu}-aout ;;		
-*-*-linux*		) bfd_target=${target_cpu}-linux ;;
-*-*-sysv*		) bfd_target=${target_cpu}-coff ;;
-*-*-scosysv*		) bfd_target=${target_cpu}-coff ;;
-tahoe-*-none		) bfd_target=${target_cpu} ;;
-vax-*-none		) bfd_target=${target_cpu} ;;
-
-# These are obsolete and should be removed.  FIXME.   -- gnu
-*-aout-*		) bfd_target=${target_cpu}-aout ;;
-*-bout-*		) bfd_target=${target_cpu}-bout ;;
-*-coff-*		) bfd_target=${target_cpu}-coff ;;
-*-elf-*			) bfd_target=${target_cpu}-elf ;;
-
-i386-none-*		) bfd_target=i386-coff ;;
-*-sony-*		) bfd_target=news ;;
-*-intel-*		) bfd_target=${target_cpu}-coff ;;	
-*-stratus-*		) bfd_target=${target_cpu}-elf ;;
-*-cbm-*			) bfd_target=${target_cpu}-elf ;;
-*-ncr-*			) bfd_target=${target_cpu}-elf ;;
+HOST_64BIT_LONG=0
+if test "x${HOST_64BIT_TYPE}" = "xlong"; then
+  HOST_64BIT_LONG=1
+fi
+AC_SUBST(HOST_64BIT_LONG)
 
-esac
+BFD_CC_FOR_BUILD
+
+AC_CHECK_HEADERS(stddef.h string.h strings.h stdlib.h time.h unistd.h)
+AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h)
+AC_HEADER_TIME
+AC_CHECK_FUNCS(fcntl getpagesize)
 
-if [ ! -f ${srcdir}/config/${bfd_target}.mt ] ; then
-	if [ -n "${bfd_target}" ] ; then
-		echo '***' No file ${srcdir}/config/${bfd_target}.mt 1>&2
+BFD_BINARY_FOPEN
+
+BFD_NEED_DECLARATION(malloc)
+BFD_NEED_DECLARATION(free)
+
+# If we are configured native, pick a core file support file.
+COREFILE=
+COREFLAG=
+if test "${target}" = "${host}"; then
+  case "${host}" in
+  alpha*-*-linux*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/alphalinux.h")
+	;;
+  alpha*-*-*)		COREFILE=osf-core.o ;;
+  arm-*-riscix)		COREFILE=trad-core.o ;;
+  hppa*-*-hpux*)	COREFILE=hpux-core.o ;;
+  hppa*-*-hiux*)	COREFILE=hpux-core.o ;;
+  hppa*-*-bsd*)		COREFILE="hpux-core.o hppabsd-core.o"
+			COREFLAG="-DHPUX_CORE -DHPPABSD_CORE" ;;
+changequote(,)dnl
+  i[345]86-sequent-bsd*)
+changequote([,])dnl
+	COREFILE=trad-core.o;
+	AC_DEFINE(TRAD_HEADER,"hosts/symmetry.h")
+	;;
+changequote(,)dnl
+  i[345]86-sequent-sysv4*) ;;
+  i[345]86-sequent-sysv*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/symmetry.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-bsd* | i[345]86-*-freebsd*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/i386bsd.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-netbsd*)
+changequote([,])dnl
+	COREFILE=netbsd-core.o
+	;;
+changequote(,)dnl
+  i[345]86-esix-sysv3*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/esix.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-sco* | i[345]86-*-isc*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/i386sco.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-mach3*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/i386mach3.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-linux*)
+changequote([,])dnl
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/i386linux.h")
+	;;
+changequote(,)dnl
+  i[345]86-*-isc*)	COREFILE=trad-core.o ;;
+  i[345]86-*-aix*)	COREFILE=aix386-core.o ;;
+changequote([,])dnl
+  i860-*-mach3* | i860-*-osf1*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/i860mach3.h")
+	;;
+  mips-dec-bsd*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/mipsbsd.h")
+	;;
+  mips-dec-mach3*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/mipsmach3.h")
+	;;
+  mips-*-netbsd*)
+	COREFILE=netbsd-core.o
+	;;
+  mips-dec-*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/decstation.h")
+	;;
+  mips-sgi-irix4*)	COREFILE=irix-core.o ;;
+  mips-sgi-irix5*)	COREFILE=irix-core.o ;;
+  mips-*-mach3*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/mipsmach3.h")
+	;;
+  mips-*-sysv4*)	;;
+  mips-*-sysv* | mips-*-riscos*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/riscos.h")
+	;;
+  mips-sony-bsd*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/news-mips.h")
+	;;
+  m68*-bull*-sysv*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/dpx2.h")
+	;;
+  m68*-hp-hpux*)	COREFILE=hpux-core.o ;;
+  m68*-hp-bsd*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/hp300bsd.h")
+	;;
+  m68*-*-linux*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/m68klinux.h")
+	;;
+  m68*-motorola-sysv*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER, "hosts/delta68.h")
+	;;
+  m68*-sony-*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/news.h")
+	;;
+  m68*-*-netbsd*)
+	COREFILE=netbsd-core.o
+	;;
+  m68*-apple-aux*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/m68kaux.h")
+	;;
+  m88*-*-sysv4*)	;;
+  m88*-motorola-sysv*)	COREFILE=ptrace-core.o ;;
+  m88*-*-mach3*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/m88kmach3.h")
+	;;
+  ns32k-pc532-mach)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/pc532mach.h")
+	;;
+  ns32k-*-netbsd*)
+	COREFILE=netbsd-core.o
+	;;
+  rs6000-*-lynx*)	COREFILE=lynx-core.o ;;
+  rs6000-*-aix4*)	COREFILE=rs6000-core.o ;;
+  rs6000-*-*)		COREFILE=rs6000-core.o ;;
+  powerpc-*-aix4*)	COREFILE=rs6000-core.o ;;
+  powerpc-*-aix*)	COREFILE=rs6000-core.o ;;
+  sparc-*-netbsd*)
+	COREFILE=netbsd-core.o
+	;;
+  tahoe-*-*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/tahoe.h")
+	;;
+  vax-*-ultrix2*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/vaxult2.h")
+	;;
+  vax-*-ultrix*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/vaxult2.h")
+	;;
+  vax-*-*)
+	COREFILE=trad-core.o
+	AC_DEFINE(TRAD_HEADER,"hosts/vaxbsd.h")
+	;;
+  esac
+
+  case "$COREFILE" in
+  aix386-core.o)	COREFLAG=-DAIX386_CORE ;;
+  hppabsd-core.o)	COREFLAG=-DHPPABSD_CORE ;;
+  hpux-core.o)		COREFLAG=-DHPUX_CORE ;;
+  irix-core.o)		COREFLAG=-DIRIX_CORE ;;
+  lynx-core.o)		COREFLAG=-DLYNX_CORE ;;
+  osf-core.o)		COREFLAG=-DOSF_CORE ;;
+  ptrace-core.o)	COREFLAG=-DPTRACE_CORE ;;
+  rs6000-core.o)	COREFLAG="$COREFLAG -DAIX_CORE" ;;
+  trad-core.o)		COREFLAG="$COREFLAG -DTRAD_CORE" ;;
+  esac
+
+  # The ELF code uses the native <sys/procfs.h> to handle core files.
+  # Define HAVE_SYS_PROCFS_H if the file exists and defines
+  # prstatus_t.
+  AC_MSG_CHECKING([for sys/procfs.h])
+  AC_CACHE_VAL(bfd_cv_header_sys_procfs_h,
+  [AC_TRY_COMPILE([#include <sys/procfs.h>],
+  [prstatus_t t;],
+  bfd_cv_header_sys_procfs_h=yes, bfd_cv_header_sys_procfs_h=no)])
+  AC_MSG_RESULT($bfd_cv_header_sys_procfs_h)
+  if test $bfd_cv_header_sys_procfs_h = yes; then
+    AC_DEFINE(HAVE_SYS_PROCFS_H)
+  fi
+
+fi
+AC_SUBST(COREFILE)
+AC_SUBST(COREFLAG)
+
+# target stuff:
+
+# Canonicalize the secondary target names.
+if test -n "$enable_targets" ; then
+    for targ in `echo $enable_targets | sed 's/,/ /g'`
+    do
+	result=`$ac_config_sub $targ 2>/dev/null`
+	if test -n "$result" ; then
+	    canon_targets="$canon_targets $result"
+	else
+	    # Allow targets that config.sub doesn't recognize, like "all".
+	    canon_targets="$canon_targets $targ"
 	fi
-	echo '***' BFD does not support target ${target} 1>&2
-	echo '***' Look in bfd/configure.in for supported targets 1>&2
-	exit 1
+    done
 fi
-target_makefile_frag=config/${bfd_target}.mt
 
-# We don't do any links based on the target system, just very minor makefile
-# config.
+all_targets=false
+defvec=
+selvecs=
+selarchs=
+TDEFINES=
+for targ in $target $canon_targets
+do
+    if test "x$targ" = "xall"; then
+        all_targets=true
+    else
+	. $srcdir/config.bfd
+	if test "x$targ" = "x$target"; then
+	    defvec=$targ_defvec
+	fi
+	selvecs="$selvecs $targ_defvec $targ_selvecs"
+	selarchs="$selarchs $targ_archs"
+	TDEFINES="$TDEFINES $targ_cflags"
+    fi
+done
+AC_SUBST(TDEFINES)
+
+# This processing still needs to be done if we're to decide properly whether
+# 64-bit support needs to be compiled in.  Currently, it will be included if
+# the default or any other explicitly requested target requires it; it
+# will not be included on a 32-bit host if no 64-bit target is requested, and
+# no "--with-64-bit-bfd" option is given, even if "--with-targets=all" is
+# used.
+
+# uniq the default and selected vectors in all the configured targets.
+f=""
+for i in $selvecs ; do
+    case " $f " in
+    *" $i "*) ;;
+    *) f="$f $i" ;;
+    esac
+done
+selvecs="$f"
+
+# uniq the architectures in all the configured targets.
+f=""
+for i in $selarchs ; do
+    case " $f " in
+    *" $i "*) ;;
+    *) f="$f $i" ;;
+    esac
+done
+selarchs="$f"
+
+# Target backend .o files.
+tb=
+
+elf="elf.o elflink.o"
+
+for vec in $selvecs
+do
+    case "$vec" in
+    # This list is alphabetized to make it easy to compare
+    # with the two vector lists in targets.c.
+    a29kcoff_big_vec)		tb="$tb coff-a29k.o cofflink.o" ;;
+    a_out_adobe_vec)		tb="$tb aout-adobe.o aout32.o" ;;
+    armcoff_little_vec)		tb="$tb coff-arm.o cofflink.o " ;;
+    armcoff_big_vec)		tb="$tb coff-arm.o cofflink.o " ;;
+    armpe_little_vec)		tb="$tb pe-arm.o cofflink.o " ;;
+    armpe_big_vec)		tb="$tb pe-arm.o cofflink.o " ;;
+    armpei_little_vec)		tb="$tb pei-arm.o cofflink.o " ;;
+    armpei_big_vec)		tb="$tb pei-arm.o cofflink.o " ;;
+    aout0_big_vec)		tb="$tb aout0.o aout32.o" ;;
+    aout_arm_big_vec)		tb="$tb aout-arm.o aout32.o" ;;
+    aout_arm_little_vec)	tb="$tb aout-arm.o aout32.o" ;;
+    aout_mips_big_vec)		tb="$tb mipsbsd.o aout32.o" ;;
+    aout_mips_little_vec)	tb="$tb mipsbsd.o aout32.o" ;;
+    apollocoff_vec)		tb="$tb coff-apollo.o" ;;
+    b_out_vec_big_host)		tb="$tb bout.o aout32.o" ;;
+    b_out_vec_little_host)	tb="$tb bout.o aout32.o" ;;
+# start-sanitize-arc
+    bfd_elf32_littlearc_vec)	tb="$tb elf32-arc.o elf32.o $elf" ;;
+    bfd_elf32_bigarc_vec)	tb="$tb elf32-arc.o elf32.o $elf" ;;
+# end-sanitize-arc
+    bfd_elf32_big_generic_vec) 	tb="$tb elf32-gen.o elf32.o $elf" ;;
+    bfd_elf32_bigmips_vec) 	tb="$tb elf32-mips.o elf32.o $elf ecofflink.o" ;;
+    bfd_elf64_bigmips_vec) 	tb="$tb elf64-mips.o elf64.o elf32-mips.o elf32.o $elf ecofflink.o"
+				target64=true ;;
+    bfd_elf32_hppa_vec)		tb="$tb elf32-hppa.o elf32.o $elf" ;;
+    bfd_elf32_i386_vec)		tb="$tb elf32-i386.o elf32.o $elf" ;;
+    bfd_elf32_i860_vec)		tb="$tb elf32-i860.o elf32.o $elf" ;;
+    bfd_elf32_little_generic_vec) tb="$tb elf32-gen.o elf32.o $elf" ;;
+    bfd_elf32_littlemips_vec) 	tb="$tb elf32-mips.o elf32.o $elf ecofflink.o" ;;
+    bfd_elf64_littlemips_vec) 	tb="$tb elf64-mips.o elf64.o elf32-mips.o elf32.o $elf ecofflink.o"
+				target64=true ;;
+    bfd_elf32_m68k_vec)		tb="$tb elf32-m68k.o elf32.o $elf" ;;
+    bfd_elf32_m88k_vec)		tb="$tb elf32-m88k.o elf32.o $elf" ;;
+    bfd_elf32_powerpc_vec)	tb="$tb elf32-ppc.o elf32.o $elf" ;;
+    bfd_elf32_powerpcle_vec)	tb="$tb elf32-ppc.o elf32.o $elf" ;;
+    bfd_elf32_sparc_vec)	tb="$tb elf32-sparc.o elf32.o $elf" ;;
+    bfd_elf64_big_generic_vec) 	tb="$tb elf64-gen.o elf64.o $elf"
+				target64=true ;;
+    bfd_elf64_little_generic_vec) tb="$tb elf64-gen.o elf64.o $elf"
+				target64=true ;;
+    bfd_elf64_sparc_vec)	tb="$tb elf64-sparc.o elf64.o $elf"
+				target64=true ;;
+    cisco_core_vec)		tb="$tb cisco-core.o" ;;
+    demo_64_vec)		tb="$tb demo64.o aout64.o"
+				target64=true ;;
+    ecoff_big_vec)		tb="$tb coff-mips.o ecoff.o ecofflink.o" ;;
+    ecoff_little_vec)		tb="$tb coff-mips.o ecoff.o ecofflink.o" ;;
+    ecoffalpha_little_vec)	tb="$tb coff-alpha.o ecoff.o ecofflink.o"
+				target64=true ;;
+    h8300coff_vec)		tb="$tb coff-h8300.o reloc16.o" ;;
+    h8500coff_vec)		tb="$tb coff-h8500.o reloc16.o" ;;
+    host_aout_vec)		tb="$tb host-aout.o aout32.o" ;;
+    hp300bsd_vec)		tb="$tb hp300bsd.o aout32.o" ;;
+    hp300hpux_vec)		tb="$tb hp300hpux.o aout32.o" ;;
+    i386aout_vec)		tb="$tb i386aout.o aout32.o" ;;
+    i386bsd_vec)		tb="$tb i386bsd.o aout32.o" ;;
+    i386coff_vec)		tb="$tb coff-i386.o cofflink.o" ;;
+    i386dynix_vec)		tb="$tb i386dynix.o aout32.o" ;;
+    i386freebsd_vec)		tb="$tb i386freebsd.o aout32.o" ;;
+    i386msdos_vec)		tb="$tb i386msdos.o" ;;
+    i386pe_vec)			tb="$tb pe-i386.o cofflink.o " ;;
+    i386pei_vec)		tb="$tb pei-i386.o cofflink.o" ;;
+    i386linux_vec)		tb="$tb i386linux.o aout32.o" ;;
+    i386lynx_aout_vec)		tb="$tb i386lynx.o lynx-core.o aout32.o" ;;
+    i386lynx_coff_vec)		tb="$tb cf-i386lynx.o cofflink.o lynx-core.o" ;;
+    i386mach3_vec)		tb="$tb i386mach3.o aout32.o" ;;
+    i386netbsd_vec)		tb="$tb i386netbsd.o aout32.o" ;;
+    i386os9k_vec)		tb="$tb i386os9k.o aout32.o" ;;
+    i860coff_vec)		tb="$tb coff-i860.o cofflink.o" ;;
+    icoff_big_vec)		tb="$tb coff-i960.o cofflink.o" ;;
+    icoff_little_vec)		tb="$tb coff-i960.o cofflink.o" ;;
+    ieee_vec)			tb="$tb ieee.o" ;;
+    m68kcoff_vec)		tb="$tb coff-m68k.o cofflink.o" ;;
+    m68kcoffun_vec)		tb="$tb coff-u68k.o coff-m68k.o cofflink.o" ;;
+    m68klinux_vec)		tb="$tb m68klinux.o aout32.o" ;;
+    m68klynx_aout_vec)		tb="$tb m68klynx.o lynx-core.o aout32.o" ;;
+    m68klynx_coff_vec)		tb="$tb cf-m68klynx.o coff-m68k.o cofflink.o lynx-core.o" ;;
+    m68knetbsd_vec)		tb="$tb m68knetbsd.o aout32.o" ;;
+    m68k4knetbsd_vec)		tb="$tb m68k4knetbsd.o aout32.o" ;;
+    m68kaux_coff_vec)		tb="$tb coff-aux.o coff-m68k.o cofflink.o" ;;
+    m88kbcs_vec)		tb="$tb coff-m88k.o" ;;
+    newsos3_vec)		tb="$tb newsos3.o aout32.o" ;;
+    nlm32_i386_vec)		tb="$tb nlm32-i386.o nlm32.o nlm.o" ;;
+    nlm32_sparc_vec)		tb="$tb nlm32-sparc.o nlm32.o nlm.o" ;;
+    nlm32_alpha_vec)		tb="$tb nlm32-alpha.o nlm32.o nlm.o"
+				target64=true ;;
+    riscix_vec)			tb="$tb aout32.o riscix.o" ;;
+    nlm32_powerpc_vec)		tb="$tb nlm32-ppc.o nlm32.o nlm.o" ;;
+    pc532netbsd_vec)		tb="$tb ns32knetbsd.o aout-ns32k.o" ;;
+    pc532machaout_vec)		tb="$tb pc532-mach.o aout-ns32k.o" ;;
+    pmac_xcoff_vec)		tb="$tb coff-pmac.o xcofflink.o" ;;
+    rs6000coff_vec)		tb="$tb coff-rs6000.o xcofflink.o" ;;
+    bfd_powerpc_pe_vec)         tb="$tb pe-ppc.o cofflink.o" ;;  
+    bfd_powerpcle_pe_vec)       tb="$tb pe-ppc.o cofflink.o" ;;  
+    bfd_powerpc_pei_vec)        tb="$tb pei-ppc.o cofflink.o" ;;
+    bfd_powerpcle_pei_vec)      tb="$tb pei-ppc.o cofflink.o" ;;
+    ppcboot_vec)		tb="$tb ppcboot.o" ;;
+    shcoff_vec)			tb="$tb coff-sh.o cofflink.o" ;;
+# start-sanitize-rce
+    rce_aout_vec)		tb="$tb aout-rce.o aout32.o" ;;
+# end-sanitize-rce
+    shlcoff_vec)		tb="$tb coff-sh.o cofflink.o" ;;
+    som_vec)			tb="$tb som.o" ;;
+    sparclynx_aout_vec)		tb="$tb sparclynx.o lynx-core.o aout32.o" ;;
+    sparclynx_coff_vec)		tb="$tb cf-sparclynx.o lynx-core.o" ;;
+    sparcnetbsd_vec)		tb="$tb sparcnetbsd.o aout32.o" ;;
+    sparccoff_vec)		tb="$tb coff-sparc.o" ;;
+    srec_vec)			tb="$tb srec.o" ;;
+    sunos_big_vec)		tb="$tb sunos.o aout32.o" ;;
+    symbolsrec_vec)		tb="$tb srec.o" ;;
+    tekhex_vec)			tb="$tb tekhex.o" ;;
+    we32kcoff_vec)		tb="$tb coff-we32k.o" ;;
+    z8kcoff_vec)		tb="$tb coff-z8k.o reloc16.o" ;;
+    w65_vec)			tb="$tb coff-w65.o reloc16.o" ;;
+    versados_vec)		tb="$tb versados.o" ;;
+
+    "")			;;
+    *) AC_MSG_ERROR(*** unknown target vector $vec) ;;
+    esac
+done
+
+# Target architecture .o files.
+ta=`echo $selarchs | sed -e s/bfd_/cpu-/g -e s/_arch/.o/g`
+
+# Weed out duplicate .o files.
+f=""
+for i in $tb ; do
+    case " $f " in
+    *" $i "*) ;;
+    *) f="$f $i" ;;
+    esac
+done
+tb="$f"
+
+f=""
+for i in $ta ; do
+    case " $f " in
+    *" $i "*) ;;
+    *) f="$f $i" ;;
+    esac
+done
+ta="$f"
+
+bfd_backends="$tb"
+bfd_machines="$ta"
+
+if test x${all_targets} = xtrue ; then
+  bfd_backends="${bfd_backends}"' $(ALL_BACKENDS)'
+  bfd_machines="${bfd_machines}"' $(ALL_MACHINES)'
+  selvecs=
+  selarchs=
+else	# all_targets is true
+  # Only set these if they will be nonempty, for the clever echo.
+  test -n "$selvecs" &&
+    selvecs=`echo $selvecs | sed -e 's/^/\&/' -e 's/ \(.\)/,\&\1/g'`
+  test -n "$selarchs" &&
+    selarchs=`echo $selarchs | sed -e 's/^/\&/' -e 's/ \(.\)/,\&\1/g'`
+fi	# all_targets is true
+
+case ${host64}-${target64}-${want64} in
+  *true*)
+    wordsize=64
+    all_backends='$(BFD64_BACKENDS) $(BFD32_BACKENDS)'
+    ;;
+  false-false-false)
+    wordsize=32
+    all_backends='$(BFD32_BACKENDS)'
+    ;;
+esac
+
+AC_SUBST(wordsize)
+AC_SUBST(all_backends)
+AC_SUBST(bfd_backends)
+AC_SUBST(bfd_machines)
+
+tdefaults=""
+test -n "${defvec}" && tdefaults="${tdefaults} -DDEFAULT_VECTOR=${defvec}"
+test -n "${selvecs}" && tdefaults="${tdefaults} -DSELECT_VECS='${selvecs}'"
+test -n "${selarchs}" && tdefaults="${tdefaults} -DSELECT_ARCHITECTURES='${selarchs}'"
+AC_SUBST(tdefaults)
+
+dnl AC_CHECK_HEADERS(sys/mman.h)
+AC_FUNC_MMAP
+AC_CHECK_FUNCS(madvise mprotect)
+case ${want_mmap}+${ac_cv_func_mmap} in
+  true+yes )  AC_DEFINE(USE_MMAP) ;;
+esac
+
+rm -f doc/config.status
+AC_OUTPUT(Makefile doc/Makefile,
+[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])