* config.in (WORDS_BIGENDIAN): Add.

	* configure: Regenerated.
	* d10v_sim.h: #include "config.h"

1 files changed, 372 insertions, 88 deletions

diff --git a/sim/d10v/configure b/sim/d10v/configure
index 9da9be6..8b01ddb 100755
--- a/sim/d10v/configure
+++ b/sim/d10v/configure
@@ -13,6 +13,12 @@ ac_default_prefix=/usr/local
 # Any additions from configure.in:
 ac_help="$ac_help
   --enable-sim-cflags=opts		Extra CFLAGS for use in building simulator"
+ac_help="$ac_help
+  --enable-sim-debug=opts		Enable debugging flags"
+ac_help="$ac_help
+  --enable-sim-trace=opts		Enable tracing flags"
+ac_help="$ac_help
+  --enable-sim-bswap			Use the BSWAP instruction on Intel 486s and Pentiums."
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -515,6 +521,36 @@ fi
 
 
 
+# If we cannot run a trivial program, we must be cross compiling.
+echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_cross=yes
+else
+cat > conftest.$ac_ext <<EOF
+#line 534 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+{ (eval echo configure:538: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_c_cross=no
+else
+  ac_cv_c_cross=yes
+fi
+fi
+rm -fr conftest*
+fi
+
+echo "$ac_t""$ac_cv_c_cross" 1>&6
+cross_compiling=$ac_cv_c_cross
+
+
+# autoconf.info says this should be called right after AC_INIT.
+
+
 ac_aux_dir=
 for ac_dir in `cd $srcdir;pwd`/../.. $srcdir/`cd $srcdir;pwd`/../..; do
   if test -f $ac_dir/install-sh; then
@@ -725,7 +761,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:729: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:765: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -821,32 +857,6 @@ test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-# If we cannot run a trivial program, we must be cross compiling.
-echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_c_cross=yes
-else
-cat > conftest.$ac_ext <<EOF
-#line 834 "configure"
-#include "confdefs.h"
-main(){return(0);}
-EOF
-{ (eval echo configure:838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-  ac_cv_c_cross=no
-else
-  ac_cv_c_cross=yes
-fi
-fi
-rm -fr conftest*
-fi
-
-echo "$ac_t""$ac_cv_c_cross" 1>&6
-cross_compiling=$ac_cv_c_cross
-
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -854,7 +864,7 @@ else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 858 "configure"
+#line 868 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -866,11 +876,11 @@ int t() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:870: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:880: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 874 "configure"
+#line 884 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -882,7 +892,7 @@ int t() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:886: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -899,7 +909,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
 cat > conftest.$ac_ext <<EOF
-#line 903 "configure"
+#line 913 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -912,7 +922,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-{ (eval echo configure:916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+{ (eval echo configure:926: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_c_bigendian=no
 else
@@ -942,11 +952,11 @@ else
   ac_cv_c_cross=yes
 else
 cat > conftest.$ac_ext <<EOF
-#line 946 "configure"
+#line 956 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-{ (eval echo configure:950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+{ (eval echo configure:960: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_c_cross=no
 else
@@ -965,24 +975,6 @@ else
   CC_FOR_BUILD=gcc
 fi
 
-. ${srcdir}/../../bfd/configure.host
-
-# Check whether --enable-sim-cflags or --disable-sim-cflags was given.
-if test "${enable_sim_cflags+set}" = set; then
-  enableval="$enable_sim_cflags"
-  case "${enableval}" in
-  yes)	 sim_cflags="-O2";;
-  trace) sim_cflags="-O2 -DDEBUG=3";;
-  no)	 sim_cflags="";;
-  *)	 sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
-esac
-if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
-  echo "Setting sim cflags = $sim_cflags" 6>&1
-fi
-else
-  sim_cflags=""
-fi
-
 
 
 
@@ -1017,39 +1009,181 @@ else
 fi
 
 
+. ${srcdir}/../../bfd/configure.host
 
-# Put a plausible default for CC_FOR_BUILD in Makefile.
-# If we cannot run a trivial program, we must be cross compiling.
-echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
+
+# Check whether --enable-sim-cflags or --disable-sim-cflags was given.
+if test "${enable_sim_cflags+set}" = set; then
+  enableval="$enable_sim_cflags"
+  case "${enableval}" in
+  yes)	 sim_cflags="-O2";;
+  trace) { echo "configure: error: "Please use --enable-sim-debug instead."" 1>&2; exit 1; }; sim_cflags="";;
+  no)	 sim_cflags="";;
+  *)	 sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
+  echo "Setting sim cflags = $sim_cflags" 6>&1
+fi
+else
+  sim_cflags=""
+fi
+
+
+# Check whether --enable-sim-debug or --disable-sim-debug was given.
+if test "${enable_sim_debug+set}" = set; then
+  enableval="$enable_sim_debug"
+  case "${enableval}" in
+  yes)	sim_debug="-DDEBUG=7";;
+  no)	sim_debug="-DDEBUG=0";;
+  *)	sim_debug="-DDEBUG='(${enableval})'";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
+  echo "Setting sim debug = $sim_debug" 6>&1
+fi
+else
+  sim_debug=""
+fi
+
+
+# Check whether --enable-sim-trace or --disable-sim-trace was given.
+if test "${enable_sim_trace+set}" = set; then
+  enableval="$enable_sim_trace"
+  case "${enableval}" in
+  yes)	sim_trace="-DTRACE=1";;
+  no)	sim_trace="-DTRACE=0";;
+  *)	sim_trace="-DTRACE='(${enableval})'";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
+  echo "Setting sim trace = $sim_trace" 6>&1
+fi
+else
+  sim_trace=""
+fi
+
+
+# Check whether --enable-sim-bswap or --disable-sim-bswap was given.
+if test "${enable_sim_bswap+set}" = set; then
+  enableval="$enable_sim_bswap"
+  case "${enableval}" in
+  yes)	sim_bswap="-DUSE_BSWAP";;
+  no)	sim_bswap="";;
+  *)	{ echo "configure: error: "--enable-sim-bswap does not take a value"" 1>&2; exit 1; }; sim_bswap="";;
+esac
+if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
+  echo "Setting bswap flags = $sim_bswap" 6>&1
+fi
+else
+  sim_bswap=""
+fi
+
+
+sim_link_files=
+sim_link_links=
+
+sim_link_links=tconfig.h
+if test -f ${srcdir}/tconfig.in
+then
+  sim_link_files=tconfig.in
+else
+  sim_link_files=../common/tconfig.in
+fi
+
+
+
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  if test "$cross_compiling" = yes; then
-  ac_cv_c_cross=yes
+    # This must be in double quotes, not single quotes, because CPP may get
+  # substituted into the Makefile and "${CC-cc}" will confuse make.
+  CPP="${CC-cc} -E"
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp.
+  cat > conftest.$ac_ext <<EOF
+#line 1109 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1115: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
 else
-cat > conftest.$ac_ext <<EOF
-#line 1032 "configure"
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.$ac_ext <<EOF
+#line 1124 "configure"
 #include "confdefs.h"
-main(){return(0);}
+#include <assert.h>
+Syntax Error
 EOF
-{ (eval echo configure:1036: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-  ac_cv_c_cross=no
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1130: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
 else
-  ac_cv_c_cross=yes
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  CPP=/lib/cpp
 fi
+rm -f conftest*
 fi
-rm -fr conftest*
+rm -f conftest*
+  ac_cv_prog_CPP="$CPP"
 fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
+fi
+echo "$ac_t""$CPP" 1>&6
 
-echo "$ac_t""$ac_cv_c_cross" 1>&6
-cross_compiling=$ac_cv_c_cross
-
-if test "x$cross_compiling" = "xno"; then
-  CC_FOR_BUILD='$(CC)'
+for ac_hdr in unistd.h
+do
+ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
 else
-  CC_FOR_BUILD=gcc
+  cat > conftest.$ac_ext <<EOF
+#line 1158 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1163: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
 fi
+done
+
+
 
 
 trap '' 1 2 15
@@ -1101,19 +1235,7 @@ fi
 
 trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
 
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-rm -f conftest.defs
-
+DEFS=-DHAVE_CONFIG_H
 
 # Without the "./", some shells look in PATH for config.status.
 : ${CONFIG_STATUS=./config.status}
@@ -1151,7 +1273,7 @@ done
 ac_given_srcdir=$srcdir
 ac_given_INSTALL="$INSTALL"
 
-trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+trap 'rm -fr `echo "Makefile.sim:Makefile.in Make-common.sim:../common/Make-common.in config.h:config.in" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
 EOF
 cat >> $CONFIG_STATUS <<EOF
 
@@ -1204,12 +1326,16 @@ s%@HDEFINES@%$HDEFINES%g
 s%@AR@%$AR%g
 s%@RANLIB@%$RANLIB%g
 s%@sim_cflags@%$sim_cflags%g
+s%@sim_debug@%$sim_debug%g
+s%@sim_trace@%$sim_trace%g
+s%@sim_bswap@%$sim_bswap%g
+s%@CPP@%$CPP%g
 
 CEOF
 EOF
 cat >> $CONFIG_STATUS <<EOF
 
-CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
+CONFIG_FILES=\${CONFIG_FILES-"Makefile.sim:Makefile.in Make-common.sim:../common/Make-common.in"}
 EOF
 cat >> $CONFIG_STATUS <<\EOF
 for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
@@ -1265,7 +1391,164 @@ s%@INSTALL@%$INSTALL%g
 fi; done
 rm -f conftest.subs
 
+# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
+# NAME is the cpp macro being defined and VALUE is the value it is being given.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s%^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
+ac_dB='\([ 	][ 	]*\)[^ 	]*%\1#\2'
+ac_dC='\3'
+ac_dD='%g'
+# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
+ac_uA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_uB='\([ 	]\)%\1#\2define\3'
+ac_uC=' '
+ac_uD='\4%g'
+# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_eA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_eB='$%\1#\2define\3'
+ac_eC=' '
+ac_eD='%g'
+
+CONFIG_HEADERS=${CONFIG_HEADERS-"config.h:config.in"}
+for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
+  # Support "outfile[:infile]", defaulting infile="outfile.in".
+  case "$ac_file" in
+  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
+       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
+  *) ac_file_in="${ac_file}.in" ;;
+  esac
+
+  echo creating $ac_file
+
+  rm -f conftest.frag conftest.in conftest.out
+  cp $ac_given_srcdir/$ac_file_in conftest.in
+
+EOF
+
+# Transform confdefs.h into a sed script conftest.vals that substitutes
+# the proper values into config.h.in to produce config.h.  And first:
+# Protect against being on the right side of a sed subst in config.status.
+# Protect against being in an unquoted here document in config.status.
+rm -f conftest.vals
+cat > conftest.hdr <<\EOF
+s/[\\&%]/\\&/g
+s%[\\$`]%\\&%g
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
+s%ac_d%ac_u%gp
+s%ac_u%ac_e%gp
+EOF
+sed -n -f conftest.hdr confdefs.h > conftest.vals
+rm -f conftest.hdr
+
+# This sed command replaces #undef with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+cat >> conftest.vals <<\EOF
+s%^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
+EOF
+
+# Break up conftest.vals because some shells have a limit on
+# the size of here documents, and old seds have small limits too.
+# Maximum number of lines to put in a single here document.
+ac_max_here_lines=12
+
+rm -f conftest.tail
+while :
+do
+  ac_lines=`grep -c . conftest.vals`
+  # grep -c gives empty output for an empty file on some AIX systems.
+  if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
+  # Write a limited-size here document to conftest.frag.
+  echo '  cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
+  sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
+  echo 'CEOF
+  sed -f conftest.frag conftest.in > conftest.out
+  rm -f conftest.in
+  mv conftest.out conftest.in
+' >> $CONFIG_STATUS
+  sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
+  rm -f conftest.vals
+  mv conftest.tail conftest.vals
+done
+rm -f conftest.vals
+
+cat >> $CONFIG_STATUS <<\EOF
+  rm -f conftest.frag conftest.h
+  echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
+  cat conftest.in >> conftest.h
+  rm -f conftest.in
+  if cmp -s $ac_file conftest.h 2>/dev/null; then
+    echo "$ac_file is unchanged"
+    rm -f conftest.h
+  else
+    # Remove last slash and all that follows it.  Not all systems have dirname.
+      ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
+      if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
+      # The file is in a subdirectory.
+      test ! -d "$ac_dir" && mkdir "$ac_dir"
+    fi
+    rm -f $ac_file
+    mv conftest.h $ac_file
+  fi
+fi; done
+
+EOF
+
+cat >> $CONFIG_STATUS <<EOF
+ac_sources="$sim_link_files"
+ac_dests="$sim_link_links"
+EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+srcdir=$ac_given_srcdir
+while test -n "$ac_sources"; do
+  set $ac_dests; ac_dest=$1; shift; ac_dests=$*
+  set $ac_sources; ac_source=$1; shift; ac_sources=$*
+
+  echo "linking $srcdir/$ac_source to $ac_dest"
 
+  if test ! -r $srcdir/$ac_source; then
+    { echo "configure: error: $srcdir/$ac_source: File not found" 1>&2; exit 1; }
+  fi
+  rm -f $ac_dest
+
+  # Make relative symlinks.
+  # Remove last slash and all that follows it.  Not all systems have dirname.
+  ac_dest_dir=`echo $ac_dest|sed 's%/[^/][^/]*$%%'`
+  if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then
+    # The dest file is in a subdirectory.
+    test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir"
+    ac_dest_dir_suffix="/`echo $ac_dest_dir|sed 's%^\./%%'`"
+    # A "../" for each directory in $ac_dest_dir_suffix.
+    ac_dots=`echo $ac_dest_dir_suffix|sed 's%/[^/]*%../%g'`
+  else
+    ac_dest_dir_suffix= ac_dots=
+  fi
+
+  case "$srcdir" in
+  [/$]*) ac_rel_source="$srcdir/$ac_source" ;;
+  *) ac_rel_source="$ac_dots$srcdir/$ac_source" ;;
+  esac
+
+  # Make a symlink if possible; otherwise try a hard link.
+  if ln -s $ac_rel_source $ac_dest 2>/dev/null ||
+    ln $srcdir/$ac_source $ac_dest; then :
+  else
+    { echo "configure: error: can not link $ac_dest to $srcdir/$ac_source" 1>&2; exit 1; }
+  fi
+done
+
+case "x$CONFIG_FILES" in xMakefile*)
+   echo "Merging Makefile.sim+Make-common.sim into Makefile ..."
+   rm -f Makesim1.tmp Makesim2.tmp Makefile
+   sed -n -e '/^## Begin config/,/^## End config/ p' <Makefile.sim >Makesim1.tmp
+   sed -e '/^## Begin config/,/^## End config/ d' <Makefile.sim >Makesim2.tmp
+   cat Make-common.sim Makesim2.tmp | sed -e '/^## Config/ r Makesim1.tmp' >Makefile
+   rm -f Makefile.sim Make-common.sim Makesim1.tmp Makesim2.tmp
+   ;;
+ esac
+ case "x$CONFIG_HEADERS" in xconfig.h:config.in) echo > stamp-h ;; esac
 
 exit 0
 EOF
@@ -1273,3 +1556,4 @@ chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
 test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
+