X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=8a27a724bc2300920ccf26e89526d53b83ed29a2;hb=15a4be0cfa4413029985eaeb9b8828f382273b96;hp=1ecf3fba3e1ea1b19db75ec725092a1742c8500c;hpb=02757e591cca8cfab73d599399fa4940d9872578;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 1ecf3fba3e..8a27a724bc 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,82 +1,132 @@
-# This file is a shell script fragment 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.
+dnl Process this file with autoconf to produce a configure script
+dnl
+AC_PREREG(2.5)
+AC_INIT(ldmain.c)
 
-srctrigger=ldmain.c
-srcname="linker"
+AC_CANONICAL_SYSTEM
 
-# per-host:
+AM_INIT_AUTOMAKE(ld, 2.9.1)
 
-if [ "${host_os}" = "posix" ] ; then
-	my_host=posix
-else
-	case "${host_cpu}" in
-	rs6000)	my_host=aix ;;
-	mips)
-		case "${host_vendor}" in
-		dec)	my_host=dec3100 ;;
-		esac
-		;;
-	m88k)
-		case "${host_vendor}" in
-		*)
-			case "${host_os}" in
-			dgux)	my_host=dgux ;;
-			esac
-			;;
-		esac
-		;;
-
-	m68k)
-		case "${host_vendor}" in
-		hp)	my_host=hp9000 ;;
-		sony)	my_host=news ;;
-		sun)	my_host=sun3 ;;
-		esac
-		;;
-
-	i386)
-		case "${host_vendor}" in
-		*)
-			case "${host_os}" in
-			sysv)	my_host=i386v ;;
-			esac
-			;;
-		esac
-		;;
-
-	sparc)
-		case "${host_vendor}" in
-		sun)	my_host=sun4 ;;
-		esac
-		;;
-
-	rtpc)	my_host=rtbsd ;;
-	tahoe | vax)	my_host=${host_cpu} ;;
-	esac
-fi
+AM_PROG_LIBTOOL
 
-if [ ! -f config/hmake-${my_host} ] ; then
-	echo '***' The linker do not support host ${host}
-	exit 1
+AC_ARG_ENABLE(targets,
+[  --enable-targets        alternative target configurations],
+[case "${enableval}" in
+  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+            ;;
+  no)       enable_targets= ;;
+  *)        enable_targets=$enableval ;;
+esac])dnl
+AC_ARG_ENABLE(64-bit-bfd,
+[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
+[case "${enableval}" in
+  yes)  want64=true  ;;
+  no)   want64=false ;;
+  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
+esac],[want64=false])dnl
+
+AM_CONFIG_HEADER(config.h:config.in)
+
+if test -z "$target" ; then
+    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
+fi
+if test -z "$host" ; then
+    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
 fi
 
-host_makefile_frag=config/hmake-${my_host}
+# host-specific stuff:
+
+AC_PROG_CC
+AM_PROG_INSTALL
+AM_CYGWIN32
+AM_EXEEXT
+
+AC_PROG_YACC
+AC_PROG_LEX
+AC_DECL_YYTEXT
+
+AM_MAINTAINER_MODE
+
+. ${srcdir}/configure.host
+
+AC_SUBST(HDEFINES)
+AC_SUBST(HOSTING_CRT0)
+AC_SUBST(HOSTING_LIBS)
+AC_SUBST(NATIVE_LIB_DIRS)
+
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
+AC_CHECK_FUNCS(sbrk)
+AC_HEADER_DIRENT
 
-# per-target:
+BFD_BINARY_FOPEN
 
-case ${target_cpu} in
-sparc)
-	case ${target_vendor} in
-	sun) my_target=sun4 ;;
+BFD_NEED_DECLARATION(strstr)
+BFD_NEED_DECLARATION(free)
+BFD_NEED_DECLARATION(sbrk)
+BFD_NEED_DECLARATION(getenv)
+
+# target-specific stuff:
+
+all_targets=
+EMUL=
+all_emuls=
+
+dnl We need to get an arbitrary number of tdir definitions into
+dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
+dnl not permit literal newlines in an AC_SUBST variables.  So we use a
+dnl file.
+rm -f tdirs
+
+for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
+do
+  if test "$targ_alias" = "all"; then
+    all_targets=true
+  else
+    # Canonicalize the secondary target names.
+    result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
+    if test -n "$result"; then
+	targ=$result
+    else
+	targ=$targ_alias
+    fi
+
+    . ${srcdir}/configure.tgt
+
+    if test "$targ" = "$target"; then
+      EMUL=$targ_emul
+    fi
+
+    for i in $targ_emul $targ_extra_emuls; do
+	case " $all_emuls " in
+	*" e${i}.o "*) ;;
+	*)
+	  all_emuls="$all_emuls e${i}.o"
+	  eval result=\$tdir_$i
+	  test -z "$result" && result=$targ_alias
+	  echo tdir_$i=$result >> tdirs
+	  ;;
 	esac
-	;;
-m88k)	my_target=m88k-bcs ;;
-a29k)	my_target=coff-a29k ;;
-esac
+    done
+  fi
+done
+
+AC_SUBST(EMUL)
+
+TDIRS=tdirs
+AC_SUBST_FILE(TDIRS)
 
-target_makefile_frag=config/tmake-${my_target}
+dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
+dnl target, and in those cases we should also build the 64 bit
+dnl emulations.
+if test x${all_targets} = xtrue; then
+  if test x${want64} = xtrue; then
+    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
+  else
+    EMULATION_OFILES='$(ALL_EMULATIONS)'
+  fi
+else
+  EMULATION_OFILES=$all_emuls
+fi
+AC_SUBST(EMULATION_OFILES)
 
-files=
-links=
+AC_OUTPUT(Makefile)