X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=configure;h=a674ab6b6fa58900792211ff9ea656d6bd0e3c93;hb=7cc69913c20942a6f601bc2477fd881f1115df08;hp=b3adcc8347c90988c52d45473c68739c3c238802;hpb=9e07f89d62dc00b9a77100f5bc042e080d3519da;p=deliverable%2Fbinutils-gdb.git

diff --git a/configure b/configure
index b3adcc8347..a674ab6b6f 100755
--- a/configure
+++ b/configure
@@ -21,6 +21,8 @@ ac_help="$ac_help
 ac_help="$ac_help
   --enable-maintainer-mode enable make rules and dependencies not useful
                           (and sometimes confusing) to the casual installer"
+ac_help="$ac_help
+  --enable-werror         enable -Werror in bootstrap stage2 and later"
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -579,7 +581,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:583: checking host system type" >&5
+echo "configure:585: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -600,7 +602,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:604: checking target system type" >&5
+echo "configure:606: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -618,7 +620,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:622: checking build system type" >&5
+echo "configure:624: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -673,7 +675,7 @@ test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:677: checking for a BSD compatible install" >&5
+echo "configure:679: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1852,7 +1854,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1856: checking for $ac_word" >&5
+echo "configure:1858: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1882,7 +1884,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1886: checking for $ac_word" >&5
+echo "configure:1888: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1933,7 +1935,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1937: checking for $ac_word" >&5
+echo "configure:1939: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1965,7 +1967,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1969: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1971: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1976,12 +1978,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1980 "configure"
+#line 1982 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1987: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -2007,12 +2009,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2011: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2013: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:2016: checking whether we are using GNU C" >&5
+echo "configure:2018: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2021,7 +2023,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2025: \"$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:2027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2040,7 +2042,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2044: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2046: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2076,7 +2078,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2080: checking for $ac_word" >&5
+echo "configure:2082: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2108,7 +2110,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "gnatbind", so it can be a program name with args.
 set dummy gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2112: checking for $ac_word" >&5
+echo "configure:2114: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2141,7 +2143,7 @@ fi
 fi
 
 echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2145: checking whether compiler driver understands Ada" >&5
+echo "configure:2147: checking whether compiler driver understands Ada" >&5
 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2171,6 +2173,10 @@ else
 fi
 
 
+# By default, C is the only stage 1 language.
+stage1_languages=c
+
+
 # Figure out what language subdirectories are present.
 # Look if the user specified --enable-languages="..."; if not, use
 # the environment variable $LANGUAGES if defined. $LANGUAGES might
@@ -2233,10 +2239,11 @@ if test -d ${srcdir}/gcc; then
       ${srcdir}/gcc/[*]/config-lang.in) ;;
       *)
         # From the config-lang.in, get $language, $target_libs, 
-        # $lang_dirs, and $build_by_default
+        # $lang_dirs, $boot_language, and $build_by_default
         language=
         target_libs=
         lang_dirs=
+        boot_language=
         build_by_default=
         . ${lang_frag}
         # This is quite sensitive to the ordering of the case statement arms.
@@ -2269,16 +2276,24 @@ if test -d ${srcdir}/gcc; then
         case $add_this_lang in
 	  no)
             # Remove language-dependent dirs.
-            eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" ;;
+            eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+	    ;;
           *)
 	    new_enable_languages="$new_enable_languages,$language"
-	    missing_languages="`echo "$missing_languages" | sed "s/,$language,/,/"`" ;;
+	    missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
+	    case ${boot_language} in
+	      yes)
+		# Add to (comma-separated) list of stage 1 languages.
+		stage1_languages="${stage1_languages},${language}"
+		;;
+	    esac
+	    ;;
         esac
         ;;
     esac
   done
 
-  missing_languages="`echo "$missing_languages" | sed -e s/^,// -e s/,$//`"
+  missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
   if test "x$missing_languages" != x; then
     { echo "configure: error: 
 The following requested languages were not found: ${missing_languages}" 1>&2; exit 1; }
@@ -2288,7 +2303,7 @@ The following requested languages were not found: ${missing_languages}" 1>&2; ex
     echo The following languages will be built: ${new_enable_languages}
   fi
   enable_languages="$new_enable_languages"
-  ac_configure_args="`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[^ ]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `"
+  ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[^ ]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
 fi
 
 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
@@ -2585,106 +2600,114 @@ esac
 tooldir='${exec_prefix}'/${target_alias}
 build_tooldir=${tooldir}
 
-# 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
+# Generate default definitions for YACC, M4, LEX.  These are used if the
+# Makefile can't locate these programs in objdir.
+MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
+for ac_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="$prog"
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2612: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_YACC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$DEFAULT_YACC"; then
+  ac_cv_prog_DEFAULT_YACC="$DEFAULT_YACC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_DEFAULT_YACC="$ac_prog"
       break
     fi
   done
-  IFS="$save_ifs"
+  IFS="$ac_save_ifs"
+fi
+fi
+DEFAULT_YACC="$ac_cv_prog_DEFAULT_YACC"
+if test -n "$DEFAULT_YACC"; then
+  echo "$ac_t""$DEFAULT_YACC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
 
-  test -n "$DEFAULT_YACC" && break
+test -n "$DEFAULT_YACC" && break
 done
+test -n "$DEFAULT_YACC" || DEFAULT_YACC="$MISSING bison"
 
-# Generate a default definition for M4.  This is used if the makefile can't
-# locate m4 in objdir.
-
-for prog in gm4 gnum4 m4
+for ac_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="$prog"
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2647: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_M4'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$DEFAULT_M4"; then
+  ac_cv_prog_DEFAULT_M4="$DEFAULT_M4" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_DEFAULT_M4="$ac_prog"
       break
     fi
   done
-  IFS="$save_ifs"
+  IFS="$ac_save_ifs"
+fi
+fi
+DEFAULT_M4="$ac_cv_prog_DEFAULT_M4"
+if test -n "$DEFAULT_M4"; then
+  echo "$ac_t""$DEFAULT_M4" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
 
-  test -n "$DEFAULT_M4" && break
+test -n "$DEFAULT_M4" && break
 done
+test -n "$DEFAULT_M4" || DEFAULT_M4="$MISSING m4"
 
-# Generate a default definition for LEX.  This is used if the makefile can't
-# locate flex in objdir.
-
-for prog in flex lex
+for ac_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="$prog"
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2682: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_LEX'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$DEFAULT_LEX"; then
+  ac_cv_prog_DEFAULT_LEX="$DEFAULT_LEX" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_DEFAULT_LEX="$ac_prog"
       break
     fi
   done
-  IFS="$save_ifs"
-
-  test -n "$DEFAULT_LEX" && break
-done
-
-# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
-# Set up the list of links to be made.
-# ${links} is the list of link names, and ${files} is the list of names to link to.
-
-# Make the links.
-configlinks="${links}"
-if test -r ./config.status  ; then
-  mv -f ./config.status ./config.back
+  IFS="$ac_save_ifs"
+fi
+fi
+DEFAULT_LEX="$ac_cv_prog_DEFAULT_LEX"
+if test -n "$DEFAULT_LEX"; then
+  echo "$ac_t""$DEFAULT_LEX" 1>&6
+else
+  echo "$ac_t""no" 1>&6
 fi
-while test -n "${files}" ; do
-  # set file to car of files, files to cdr of files
-  set ${files}; file=$1; shift; files=$*
-  set ${links}; link=$1; shift; links=$*
-
-  if test ! -r ${srcdir}/${file} ; then
-    if test ! -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} ${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} ${srcfile} ${link}
-  fi
-  if test ! -r ${link} ; then
-    echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
-    exit 1
-  fi
 
-  echo "Linked \"${link}\" to \"${srcfile}\"."
+test -n "$DEFAULT_LEX" && break
 done
+test -n "$DEFAULT_LEX" || DEFAULT_LEX="$MISSING flex"
+
 
 # Create a .gdbinit file which runs the one in srcdir
 # and tells GDB to look there for source files.
@@ -3187,7 +3210,6 @@ ospace_frag=${srcdir}/${ospace_frag}
 
 
 
-
 # Build module lists & subconfigure args.
 
 
@@ -3219,7 +3241,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
   # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3223: checking for $ac_word" >&5
+echo "configure:3245: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3252,7 +3274,7 @@ if test -z "$ac_cv_prog_AR" ; then
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3256: checking for $ac_word" >&5
+echo "configure:3278: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3291,7 +3313,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3295: checking for $ac_word" >&5
+echo "configure:3317: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3324,7 +3346,7 @@ if test -z "$ac_cv_prog_AS" ; then
     # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3328: checking for $ac_word" >&5
+echo "configure:3350: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3363,7 +3385,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3367: checking for $ac_word" >&5
+echo "configure:3389: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3396,7 +3418,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; then
     # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3400: checking for $ac_word" >&5
+echo "configure:3422: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3435,7 +3457,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3439: checking for $ac_word" >&5
+echo "configure:3461: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3468,7 +3490,7 @@ if test -z "$ac_cv_prog_LD" ; then
     # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3472: checking for $ac_word" >&5
+echo "configure:3494: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3507,7 +3529,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3511: checking for $ac_word" >&5
+echo "configure:3533: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3540,7 +3562,7 @@ if test -z "$ac_cv_prog_NM" ; then
     # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3544: checking for $ac_word" >&5
+echo "configure:3566: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3579,7 +3601,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3583: checking for $ac_word" >&5
+echo "configure:3605: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3612,7 +3634,7 @@ if test -z "$ac_cv_prog_RANLIB" ; then
     # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3616: checking for $ac_word" >&5
+echo "configure:3638: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3651,7 +3673,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3655: checking for $ac_word" >&5
+echo "configure:3677: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3684,7 +3706,7 @@ if test -z "$ac_cv_prog_WINDRES" ; then
     # Extract the first word of "windres", so it can be a program name with args.
 set dummy windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3688: checking for $ac_word" >&5
+echo "configure:3710: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3723,7 +3745,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3727: checking for $ac_word" >&5
+echo "configure:3749: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3756,7 +3778,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then
     # Extract the first word of "objcopy", so it can be a program name with args.
 set dummy objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3760: checking for $ac_word" >&5
+echo "configure:3782: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3795,7 +3817,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3799: checking for $ac_word" >&5
+echo "configure:3821: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3828,7 +3850,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; then
     # Extract the first word of "objdump", so it can be a program name with args.
 set dummy objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3832: checking for $ac_word" >&5
+echo "configure:3854: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3877,7 +3899,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3881: checking for $ac_word" >&5
+echo "configure:3903: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3910,7 +3932,7 @@ if test -z "$ac_cv_prog_AR_FOR_TARGET" ; then
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3914: checking for $ac_word" >&5
+echo "configure:3936: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3949,7 +3971,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3953: checking for $ac_word" >&5
+echo "configure:3975: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3982,7 +4004,7 @@ if test -z "$ac_cv_prog_AS_FOR_TARGET" ; then
     # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3986: checking for $ac_word" >&5
+echo "configure:4008: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4021,7 +4043,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4025: checking for $ac_word" >&5
+echo "configure:4047: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4054,7 +4076,7 @@ if test -z "$ac_cv_prog_DLLTOOL_FOR_TARGET" ; then
     # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4058: checking for $ac_word" >&5
+echo "configure:4080: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4093,7 +4115,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4097: checking for $ac_word" >&5
+echo "configure:4119: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4126,7 +4148,7 @@ if test -z "$ac_cv_prog_LD_FOR_TARGET" ; then
     # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4130: checking for $ac_word" >&5
+echo "configure:4152: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4165,7 +4187,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4169: checking for $ac_word" >&5
+echo "configure:4191: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4198,7 +4220,7 @@ if test -z "$ac_cv_prog_NM_FOR_TARGET" ; then
     # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4202: checking for $ac_word" >&5
+echo "configure:4224: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4237,7 +4259,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4241: checking for $ac_word" >&5
+echo "configure:4263: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4270,7 +4292,7 @@ if test -z "$ac_cv_prog_RANLIB_FOR_TARGET" ; then
     # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4274: checking for $ac_word" >&5
+echo "configure:4296: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4309,7 +4331,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4313: checking for $ac_word" >&5
+echo "configure:4335: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4342,7 +4364,7 @@ if test -z "$ac_cv_prog_WINDRES_FOR_TARGET" ; then
     # Extract the first word of "windres", so it can be a program name with args.
 set dummy windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4346: checking for $ac_word" >&5
+echo "configure:4368: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4409,7 +4431,7 @@ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:4413: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:4435: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -4430,6 +4452,44 @@ else
 fi	
 MAINT=$MAINTAINER_MODE_TRUE
 
+# ---------------------
+# GCC bootstrap support
+# ---------------------
+
+# Stage specific cflags for build.
+stage1_cflags="-g"
+case $build in
+  vax-*-*)
+    case ${GCC} in
+      yes) stage1_cflags="-g -Wa,-J" ;;
+      *) stage1_cflags="-g -J" ;;
+    esac ;;
+  powerpc-*-darwin*)
+    # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
+    # sources; use -no-cpp-precomp to get to GNU cpp.
+    # Apple's GCC has bugs in designated initializer handling, so disable
+    # that too.
+    stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
+    ;;
+esac
+
+
+# Enable -Werror in bootstrap stage2 and later.
+# Change the default to "no" on release branches.
+# Check whether --enable-werror or --disable-werror was given.
+if test "${enable_werror+set}" = set; then
+  enableval="$enable_werror"
+  :
+else
+  enable_werror=yes
+fi
+
+case ${enable_werror} in
+  yes) stage2_werror_flag="--enable-werror-always" ;;
+  *) stage2_werror_flag="" ;;
+esac
+
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -4599,6 +4659,10 @@ s%@host_subdir@%$host_subdir%g
 s%@target_subdir@%$target_subdir%g
 s%@CC@%$CC%g
 s%@GNATBIND@%$GNATBIND%g
+s%@stage1_languages@%$stage1_languages%g
+s%@DEFAULT_YACC@%$DEFAULT_YACC%g
+s%@DEFAULT_M4@%$DEFAULT_M4%g
+s%@DEFAULT_LEX@%$DEFAULT_LEX%g
 /@maybe_dependencies@/r $maybe_dependencies
 s%@maybe_dependencies@%%g
 /@serialization_dependencies@/r $serialization_dependencies
@@ -4615,7 +4679,6 @@ s%@SET_LIB_PATH@%$SET_LIB_PATH%g
 s%@RPATH_ENVVAR@%$RPATH_ENVVAR%g
 s%@BUILD_PREFIX@%$BUILD_PREFIX%g
 s%@BUILD_PREFIX_1@%$BUILD_PREFIX_1%g
-s%@configlinks@%$configlinks%g
 s%@gcc_version_trigger@%$gcc_version_trigger%g
 s%@gcc_version@%$gcc_version%g
 s%@tooldir@%$tooldir%g
@@ -4656,9 +4719,6 @@ s%@OBJDUMP@%$OBJDUMP%g
 s%@ncn_cv_OBJDUMP@%$ncn_cv_OBJDUMP%g
 s%@CXX@%$CXX%g
 s%@CFLAGS_FOR_BUILD@%$CFLAGS_FOR_BUILD%g
-s%@DEFAULT_YACC@%$DEFAULT_YACC%g
-s%@DEFAULT_LEX@%$DEFAULT_LEX%g
-s%@DEFAULT_M4@%$DEFAULT_M4%g
 s%@AR_FOR_TARGET@%$AR_FOR_TARGET%g
 s%@ncn_cv_AR_FOR_TARGET@%$ncn_cv_AR_FOR_TARGET%g
 s%@AS_FOR_TARGET@%$AS_FOR_TARGET%g
@@ -4684,6 +4744,8 @@ s%@RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@%$RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE
 s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g
 s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g
 s%@MAINT@%$MAINT%g
+s%@stage1_cflags@%$stage1_cflags%g
+s%@stage2_werror_flag@%$stage2_werror_flag%g
 
 CEOF
 EOF