6 files changed, 138 insertions, 45 deletions
diff --git a/mmalloc/ChangeLog b/mmalloc/ChangeLog
index 86ca15a..89b54b3 100644
--- a/mmalloc/ChangeLog
+++ b/mmalloc/ChangeLog
@@ -1,3 +1,11 @@
+2000-02-04  Kevin Buettner  (kevinb@cygnus.com)
+
+	* acinclude.m4, aclocal.m4: New files.
+	* configure.in (sbrk): Use BFD_NEED_DECLARATION to test for
+	presence of a suitable declaration in the system headers.
+	* configure: Regenerated.
+	* sbrk-sup.c (sbrk): Ifdef'd with NEED_DECLARATION_SBRK.
+
 1999-01-04  Jason Molenda  (jsm@bugshack.cygnus.com)
 
 	* configure.in: Requires autoconf 2.12.1 or higher.
diff --git a/mmalloc/acinclude.m4 b/mmalloc/acinclude.m4
new file mode 100644
index 0000000..71b09b9
--- /dev/null
+++ b/mmalloc/acinclude.m4
@@ -0,0 +1 @@
+sinclude(../bfd/acinclude.m4)
diff --git a/mmalloc/aclocal.m4 b/mmalloc/aclocal.m4
new file mode 100644
index 0000000..7cf2a1e
--- /dev/null
+++ b/mmalloc/aclocal.m4
@@ -0,0 +1,14 @@
+dnl aclocal.m4 generated automatically by aclocal 1.4
+
+dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+dnl PARTICULAR PURPOSE.
+
+sinclude(../bfd/acinclude.m4)
+
diff --git a/mmalloc/configure b/mmalloc/configure
index 592618c..d1b943e 100755
--- a/mmalloc/configure
+++ b/mmalloc/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12.2 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -333,7 +333,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12.2"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -533,7 +533,8 @@ else
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
+  ac_dummy="$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_CC="gcc"
@@ -554,7 +555,7 @@ 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:558: checking for $ac_word" >&5
+echo "configure:559: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -563,7 +564,8 @@ else
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
-  for ac_dir in $PATH; do
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
       if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
@@ -604,7 +606,7 @@ 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:608: checking for $ac_word" >&5
+echo "configure:610: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -612,7 +614,8 @@ else
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
+  ac_dummy="$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_CC="cl"
@@ -635,7 +638,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:639: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:642: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -644,12 +647,14 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-cat > conftest.$ac_ext <<EOF
-#line 649 "configure"
+cat > conftest.$ac_ext << EOF
+
+#line 653 "configure"
 #include "confdefs.h"
+
 main(){return(0);}
 EOF
-if { (eval echo configure:653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:658: \"$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
@@ -663,18 +668,24 @@ else
   ac_cv_prog_cc_works=no
 fi
 rm -fr conftest*
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 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""... $ac_c" 1>&6
-echo "configure:673: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:684: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:678: checking whether we are using GNU C" >&5
+echo "configure:689: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -683,7 +694,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:687: \"$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:698: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -702,7 +713,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:706: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:717: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -764,7 +775,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 # 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""... $ac_c" 1>&6
-echo "configure:768: checking for a BSD compatible install" >&5
+echo "configure:779: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -812,6 +823,8 @@ echo "$ac_t""$INSTALL" 1>&6
 # It thinks the first close brace ends the variable substitution.
 test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
 
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
+
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
@@ -821,7 +834,7 @@ 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:825: checking host system type" >&5
+echo "configure:838: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -842,7 +855,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:846: checking build system type" >&5
+echo "configure:859: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -868,7 +881,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:872: checking for $ac_word" >&5
+echo "configure:885: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -876,7 +889,8 @@ else
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
+  ac_dummy="$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_AR="${ac_tool_prefix}ar"
@@ -899,7 +913,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:903: checking for $ac_word" >&5
+echo "configure:917: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -907,7 +921,8 @@ else
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
+  ac_dummy="$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_RANLIB="${ac_tool_prefix}ranlib"
@@ -930,7 +945,7 @@ if test -n "$ac_tool_prefix"; 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:934: checking for $ac_word" >&5
+echo "configure:949: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -938,7 +953,8 @@ else
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
+  ac_dummy="$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_RANLIB="ranlib"
@@ -963,7 +979,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:967: checking how to run the C preprocessor" >&5
+echo "configure:983: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -978,13 +994,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 982 "configure"
+#line 998 "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:988: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1004: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -995,13 +1011,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 999 "configure"
+#line 1015 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1012,13 +1028,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1016 "configure"
+#line 1032 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1022: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1046,17 +1062,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1050: checking for $ac_hdr" >&5
+echo "configure:1066: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1055 "configure"
+#line 1071 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1060: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1076: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1085,12 +1101,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1089: checking for $ac_func" >&5
+echo "configure:1105: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1094 "configure"
+#line 1110 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1113,7 +1129,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1138,7 +1154,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:1142: checking for working mmap" >&5
+echo "configure:1158: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1146,7 +1162,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 1150 "configure"
+#line 1166 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -1286,7 +1302,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:1290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1306: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -1312,17 +1328,17 @@ for ac_hdr in limits.h stddef.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1316: checking for $ac_hdr" >&5
+echo "configure:1332: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1321 "configure"
+#line 1337 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1326: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1342: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1349,6 +1365,54 @@ fi
 done
 
 
+echo $ac_n "checking whether sbrk must be declared""... $ac_c" 1>&6
+echo "configure:1370: checking whether sbrk must be declared" >&5
+if eval "test \"`echo '$''{'bfd_cv_decl_needed_sbrk'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1375 "configure"
+#include "confdefs.h"
+
+#include <stdio.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+int main() {
+char *(*pfn) = (char *(*)) sbrk
+; return 0; }
+EOF
+if { (eval echo configure:1396: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_decl_needed_sbrk=no
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_decl_needed_sbrk=yes
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$bfd_cv_decl_needed_sbrk" 1>&6
+if test $bfd_cv_decl_needed_sbrk = yes; then
+  cat >> confdefs.h <<\EOF
+#define NEED_DECLARATION_SBRK 1
+EOF
+
+fi
+
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -1372,7 +1436,7 @@ EOF
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  case `(ac_space=' '; set) 2>&1 | grep ac_space` in
+  case `(ac_space=' '; set | grep ac_space) 2>&1` in
   *ac_space=\ *)
     # `set' does not quote correctly, so add quotes (double-quote substitution
     # turns \\\\ into \\, and sed turns \\ into \).
@@ -1451,7 +1515,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12.2"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -1475,6 +1539,7 @@ s%@SHELL@%$SHELL%g
 s%@CFLAGS@%$CFLAGS%g
 s%@CPPFLAGS@%$CPPFLAGS%g
 s%@CXXFLAGS@%$CXXFLAGS%g
+s%@FFLAGS@%$FFLAGS%g
 s%@DEFS@%$DEFS%g
 s%@LDFLAGS@%$LDFLAGS%g
 s%@LIBS@%$LIBS%g
@@ -1495,6 +1560,7 @@ s%@infodir@%$infodir%g
 s%@mandir@%$mandir%g
 s%@CC@%$CC%g
 s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
 s%@INSTALL_DATA@%$INSTALL_DATA%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
diff --git a/mmalloc/configure.in b/mmalloc/configure.in
index bf12661..03b1fa5 100644
--- a/mmalloc/configure.in
+++ b/mmalloc/configure.in
@@ -10,4 +10,6 @@ AC_CHECK_TOOL(RANLIB, ranlib, :)
 AC_FUNC_MMAP
 AC_CHECK_HEADERS(limits.h stddef.h)
 
+BFD_NEED_DECLARATION(sbrk)
+
 AC_OUTPUT(Makefile)
diff --git a/mmalloc/sbrk-sup.c b/mmalloc/sbrk-sup.c
index 8893175..da0f7a2 100644
--- a/mmalloc/sbrk-sup.c
+++ b/mmalloc/sbrk-sup.c
@@ -24,7 +24,9 @@ Boston, MA 02111-1307, USA.  */
 #include "mmprivate.h"
 
 static PTR sbrk_morecore PARAMS ((struct mdesc *, int));
+#if NEED_DECLARATION_SBRK
 extern PTR sbrk PARAMS ((int));
+#endif
 
 /* The mmalloc() package can use a single implicit malloc descriptor
    for mmalloc/mrealloc/mfree operations which do not supply an explicit