Update.

1999-10-03  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Accept --with-gd option and set all libgd-LDFLAGS,
	CFLAGS-memprofstat.c, and LIBGD variables.
	* config.make.in: Add LIBGD.
	* malloc/Makefile: Add rules to generate libmemprof.so and
	memprofstat.
	* malloc/memprof.c: New file.
	* malloc/memprofstat.c: New file.

7 files changed, 1577 insertions, 196 deletions

diff --git a/ChangeLog b/ChangeLog
index 072c2363fe..e37c010bbe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+1999-10-03  Ulrich Drepper  <drepper@cygnus.com>
+
+	* configure.in: Accept --with-gd option and set all libgd-LDFLAGS,
+	CFLAGS-memprofstat.c, and LIBGD variables.
+	* config.make.in: Add LIBGD.
+	* malloc/Makefile: Add rules to generate libmemprof.so and
+	memprofstat.
+	* malloc/memprof.c: New file.
+	* malloc/memprofstat.c: New file.
+
 1999-10-02  Ulrich Drepper  <drepper@cygnus.com>
 
 	* resolv/nsap_addr.c (inet_nsap_addr): Little optimization.
diff --git a/config.make.in b/config.make.in
index f24ffdaaad..4ba8143f4d 100644
--- a/config.make.in
+++ b/config.make.in
@@ -86,4 +86,7 @@ KSH = @KSH@
 AWK = @AWK@
 PERL = @PERL@
 
+# Additional libraries.
+LIBGD = @LIBGD@
+
 # More variables may be inserted below by configure.
diff --git a/configure b/configure
index a947ea3381..dd7a1964b9 100755
--- a/configure
+++ b/configure
@@ -12,7 +12,7 @@
 
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13 
+# Generated automatically using autoconf version 2.14.1 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -27,6 +27,8 @@ ac_help="$ac_help
 ac_help="$ac_help
   --with-gettext=DIR	  find GNU gettext source code in DIR (not needed)"
 ac_help="$ac_help
+  --with-gd=DIR           find libgd include dir and library with prefix DIR"
+ac_help="$ac_help
   --with-fp		  if using floating-point hardware [default=yes]"
 ac_help="$ac_help
   --with-binutils=PATH	  specify location of binutils (as and ld)"
@@ -388,7 +390,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.13"
+    echo "configure generated by autoconf version 2.14.1"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -548,7 +550,7 @@ done
 
 if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-  . $cache_file
+      test -f "$cache_file" && . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file
@@ -600,9 +602,9 @@ done
 if test -z "$ac_aux_dir"; then
   { echo "configure: error: can not find install-sh or install.sh in scripts $srcdir/scripts" 1>&2; exit 1; }
 fi
-ac_config_guess=$ac_aux_dir/config.guess
-ac_config_sub=$ac_aux_dir/config.sub
-ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"
+ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 
 
 # This will get text that should go into config.make.
@@ -636,6 +638,22 @@ esac
 
 fi
 
+# Check for a --with-gd argument and set libgd-LDFLAGS in config.make.
+# Check whether --with-gd or --without-gd was given.
+if test "${with_gd+set}" = set; then
+  withval="$with_gd"
+  case "$with_gd" in
+yes|''|no) config_vars="$config_vars
+libgd-LDFLAGS =" ;;
+*) config_vars="$config_vars
+CFLAGS-memprofstat.c = -I$withval/include
+libgd-LDFLAGS = -L$withval/lib"
+   libgd_include="-I$withval/include"
+   libgd_ldflags="-L$withval/lib" ;;
+esac
+
+fi
+
 
 # Check whether --with-fp or --without-fp was given.
 if test "${with_fp+set}" = set; then
@@ -804,31 +822,45 @@ fi
 
 
 
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:827: checking host system type" >&5
+if test "x$ac_cv_host" = "x" || (test "x$host" != "xNONE" && test "x$host" != "x$ac_cv_host_alias"); then
+
 # Make sure we can run config.sub.
-if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
-else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+  if $ac_config_sub sun4 >/dev/null 2>&1; then :
+    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+  fi
+
+  ac_cv_host_alias=$host
+  case "$ac_cv_host_alias" in
+  NONE)
+    case $nonopt in
+    NONE)
+      if ac_cv_host_alias=`$ac_config_guess`; then :
+      else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
+      fi ;;
+    *) ac_cv_host_alias=$nonopt ;;
+    esac ;;
+  esac
+
+  ac_cv_host=`$ac_config_sub $ac_cv_host_alias`
+  ac_cv_host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+  ac_cv_host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+  ac_cv_host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+else
+  echo $ac_n "(cached) $ac_c" 1>&6
 fi
 
-echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:814: checking host system type" >&5
+echo "$ac_t""$ac_cv_host" 1>&6
+
+host=$ac_cv_host
+host_alias=$ac_cv_host_alias
+host_cpu=$ac_cv_host_cpu
+host_vendor=$ac_cv_host_vendor
+host_os=$ac_cv_host_os
+
 
-host_alias=$host
-case "$host_alias" in
-NONE)
-  case $nonopt in
-  NONE)
-    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
-    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
-    fi ;;
-  *) host_alias=$nonopt ;;
-  esac ;;
-esac
 
-host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
-host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-echo "$ac_t""$host" 1>&6
 
 
 # The way shlib-versions is used to generate soversions.mk uses a
@@ -935,7 +967,7 @@ fi
 # This can take a while to compute.
 sysdep_dir=$srcdir/sysdeps
 echo $ac_n "checking sysdep dirs""... $ac_c" 1>&6
-echo "configure:939: checking sysdep dirs" >&5
+echo "configure:971: checking sysdep dirs" >&5
 # Make sco3.2v4 become sco3.2.4 and sunos4.1.1_U1 become sunos4.1.1.U1.
 os="`echo $os | sed 's/\([0-9A-Z]\)[v_]\([0-9A-Z]\)/\1.\2/g'`"
 
@@ -1139,9 +1171,9 @@ echo "$ac_t""$default_sysnames" 1>&6
 # 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""... $ac_c" 1>&6
-echo "configure:1143: checking for a BSD compatible install" >&5
+echo "configure:1175: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
-if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_path_install+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
@@ -1159,6 +1191,10 @@ else
             grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
 	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus $ac_dir/$ac_prog >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
 	  else
 	    ac_cv_path_install="$ac_dir/$ac_prog -c"
 	    break 2
@@ -1187,7 +1223,7 @@ 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 "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
@@ -1196,8 +1232,8 @@ if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then
   INSTALL='\$(..)./scripts/install-sh -c'
 fi
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1200: checking whether ln -s works" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
+echo "configure:1236: checking whether ln -s works" >&5
+if eval "test \"\${ac_cv_prog_LN_S+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftestdata
@@ -1218,23 +1254,45 @@ fi
 
 
 # These programs are version sensitive.
+
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1223: checking build system type" >&5
-
-build_alias=$build
-case "$build_alias" in
-NONE)
-  case $nonopt in
-  NONE) build_alias=$host_alias ;;
-  *) build_alias=$nonopt ;;
-  esac ;;
-esac
+echo "configure:1260: checking build system type" >&5
+if test "x$ac_cv_build" = "x" || (test "x$build" != "xNONE" && test "x$build" != "x$ac_cv_build_alias"); then
+
+# Make sure we can run config.sub.
+  if $ac_config_sub sun4 >/dev/null 2>&1; then :
+    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+  fi
+
+  ac_cv_build_alias=$build
+  case "$ac_cv_build_alias" in
+  NONE)
+    case $nonopt in
+    NONE)
+      ac_cv_build_alias=$host_alias ;;
+
+    *) ac_cv_build_alias=$nonopt ;;
+    esac ;;
+  esac
+
+  ac_cv_build=`$ac_config_sub $ac_cv_build_alias`
+  ac_cv_build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+  ac_cv_build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+  ac_cv_build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+else
+  echo $ac_n "(cached) $ac_c" 1>&6
+fi
+
+echo "$ac_t""$ac_cv_build" 1>&6
+
+build=$ac_cv_build
+build_alias=$ac_cv_build_alias
+build_cpu=$ac_cv_build_cpu
+build_vendor=$ac_cv_build_vendor
+build_os=$ac_cv_build_os
+
+
 
-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
-build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-echo "$ac_t""$build" 1>&6
 
 if test $host != $build; then
   ac_tool_prefix=${host_alias}-
@@ -1247,8 +1305,8 @@ do
 # 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:1251: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+echo "configure:1309: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -1281,7 +1339,7 @@ if test -z "$CC"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $CC""... $ac_c" 1>&6
-echo "configure:1285: checking version of $CC" >&5
+echo "configure:1343: checking version of $CC" >&5
   ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustp-]*[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1301,8 +1359,8 @@ do
 # Extract the first word of "$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:1305: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_MAKE'+set}'`\" = set"; then
+echo "configure:1363: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_MAKE+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$MAKE"; then
@@ -1335,7 +1393,7 @@ if test -z "$MAKE"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MAKE""... $ac_c" 1>&6
-echo "configure:1339: checking version of $MAKE" >&5
+echo "configure:1397: checking version of $MAKE" >&5
   ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1356,8 +1414,8 @@ do
 # Extract the first word of "$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:1360: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_MSGFMT'+set}'`\" = set"; then
+echo "configure:1418: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_MSGFMT+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$MSGFMT"; then
@@ -1390,7 +1448,7 @@ if test -z "$MSGFMT"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MSGFMT""... $ac_c" 1>&6
-echo "configure:1394: checking version of $MSGFMT" >&5
+echo "configure:1452: checking version of $MSGFMT" >&5
   ac_prog_version=`$MSGFMT --version 2>&1 | sed -n 's/^.*GNU gettext.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1410,8 +1468,8 @@ do
 # Extract the first word of "$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:1414: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_MAKEINFO'+set}'`\" = set"; then
+echo "configure:1472: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_MAKEINFO+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$MAKEINFO"; then
@@ -1444,7 +1502,7 @@ if test -z "$MAKEINFO"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MAKEINFO""... $ac_c" 1>&6
-echo "configure:1448: checking version of $MAKEINFO" >&5
+echo "configure:1506: checking version of $MAKEINFO" >&5
   ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1477,8 +1535,8 @@ CCVERSION=`$CC -v 2>&1 | sed -n 's/gcc version //p'`
 
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1481: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cc_works'+set}'`\" = set"; then
+echo "configure:1539: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+if eval "test \"\${ac_cv_prog_cc_works+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -1491,12 +1549,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1495 "configure"
+#line 1553 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1558: \"$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
@@ -1527,8 +1585,8 @@ else
  cross_linkable=yes
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1531: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cc_cross'+set}'`\" = set"; then
+echo "configure:1589: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+if eval "test \"\${ac_cv_prog_cc_cross+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   :
@@ -1539,8 +1597,8 @@ echo "$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""... $ac_c" 1>&6
-echo "configure:1543: checking whether we are using GNU C" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+echo "configure:1601: checking whether we are using GNU C" >&5
+if eval "test \"\${ac_cv_prog_gcc+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
@@ -1548,7 +1606,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1552: \"$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:1610: \"$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
@@ -1560,23 +1618,45 @@ if test $ac_cv_prog_gcc != yes; then
   { echo "configure: error: GNU libc must be compiled using GNU CC" 1>&2; exit 1; }
 fi
 
+
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1565: checking build system type" >&5
-
-build_alias=$build
-case "$build_alias" in
-NONE)
-  case $nonopt in
-  NONE) build_alias=$host_alias ;;
-  *) build_alias=$nonopt ;;
-  esac ;;
-esac
+echo "configure:1624: checking build system type" >&5
+if test "x$ac_cv_build" = "x" || (test "x$build" != "xNONE" && test "x$build" != "x$ac_cv_build_alias"); then
+
+# Make sure we can run config.sub.
+  if $ac_config_sub sun4 >/dev/null 2>&1; then :
+    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+  fi
+
+  ac_cv_build_alias=$build
+  case "$ac_cv_build_alias" in
+  NONE)
+    case $nonopt in
+    NONE)
+      ac_cv_build_alias=$host_alias ;;
+
+    *) ac_cv_build_alias=$nonopt ;;
+    esac ;;
+  esac
+
+  ac_cv_build=`$ac_config_sub $ac_cv_build_alias`
+  ac_cv_build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+  ac_cv_build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+  ac_cv_build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+else
+  echo $ac_n "(cached) $ac_c" 1>&6
+fi
+
+echo "$ac_t""$ac_cv_build" 1>&6
+
+build=$ac_cv_build
+build_alias=$ac_cv_build_alias
+build_cpu=$ac_cv_build_cpu
+build_vendor=$ac_cv_build_vendor
+build_os=$ac_cv_build_os
+
+
 
-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
-build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-echo "$ac_t""$build" 1>&6
 
 if test $host != $build; then
   for ac_prog in gcc cc
@@ -1584,8 +1664,8 @@ do
 # Extract the first word of "$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:1588: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_BUILD_CC'+set}'`\" = set"; then
+echo "configure:1668: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_BUILD_CC+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$BUILD_CC"; then
@@ -1616,13 +1696,13 @@ done
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1620: checking how to run the C preprocessor" >&5
+echo "configure:1700: checking how to run the C preprocessor" >&5
 # 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
+if eval "test \"\${ac_cv_prog_CPP+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     # This must be in double quotes, not single quotes, because CPP may get
@@ -1631,13 +1711,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1635 "configure"
+#line 1715 "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:1641: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1721: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1648,13 +1728,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1652 "configure"
+#line 1732 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1658: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1738: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1665,13 +1745,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1669 "configure"
+#line 1749 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1675: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1755: \"$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
   :
@@ -1714,8 +1794,8 @@ if test $RANLIB = ranlib; then
 # Extract the first word of "${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:1718: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+echo "configure:1798: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_RANLIB+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
@@ -1746,8 +1826,8 @@ 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:1750: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+echo "configure:1830: checking for $ac_word" >&5
+if eval "test \"\${ac_cv_prog_RANLIB+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
@@ -1783,8 +1863,8 @@ fi
 
 # Determine whether we are using GNU binutils.
 echo $ac_n "checking whether $AS is GNU as""... $ac_c" 1>&6
-echo "configure:1787: checking whether $AS is GNU as" >&5
-if eval "test \"`echo '$''{'libc_cv_prog_as_gnu'+set}'`\" = set"; then
+echo "configure:1867: checking whether $AS is GNU as" >&5
+if eval "test \"\${libc_cv_prog_as_gnu+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   # Most GNU programs take a -v and spit out some text including
@@ -1802,8 +1882,8 @@ rm -f a.out
 gnu_as=$libc_cv_prog_as_gnu
 
 echo $ac_n "checking whether $LD is GNU ld""... $ac_c" 1>&6
-echo "configure:1806: checking whether $LD is GNU ld" >&5
-if eval "test \"`echo '$''{'libc_cv_prog_ld_gnu'+set}'`\" = set"; then
+echo "con