2000-10-24 Chris Demetriou <cgd@sibyte.com>

	* configure.in: Invoke AC_PROG_CPP unconditionally before
	conditional feature tests.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@37058 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 122 insertions, 101 deletions

diff --git a/zlib/ChangeLog.gcj b/zlib/ChangeLog.gcj
index 9b8b09ccccd..3d05082cd86 100644
--- a/zlib/ChangeLog.gcj
+++ b/zlib/ChangeLog.gcj
@@ -1,3 +1,8 @@
+2000-10-24  Chris Demetriou  <cgd@sibyte.com>
+
+	* configure.in: Invoke AC_PROG_CPP unconditionally before
+	conditional feature tests.
+
 2000-10-10  Alexandre Oliva  <aoliva@redhat.com>
 
 	* configure.in (zlib_basedir): Cope with empty with_target_subdir
diff --git a/zlib/configure b/zlib/configure
index 9d37bbce7ba..a453e884551 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -50,6 +50,7 @@ program_suffix=NONE
 program_transform_name=s,x,x,
 silent=
 site=
+sitefile=
 srcdir=
 target=NONE
 verbose=
@@ -164,6 +165,7 @@ Configuration:
   --help                  print this message
   --no-create             do not create output files
   --quiet, --silent       do not print \`checking...' messages
+  --site-file=FILE        use FILE as the site file
   --version               print the version of autoconf that created configure
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -334,6 +336,11 @@ EOF
   -site=* | --site=* | --sit=*)
     site="$ac_optarg" ;;
 
+  -site-file | --site-file | --site-fil | --site-fi | --site-f)
+    ac_prev=sitefile ;;
+  -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
+    sitefile="$ac_optarg" ;;
+
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
@@ -499,12 +506,16 @@ fi
 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 
 # Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+if test -z "$sitefile"; then
+  if test -z "$CONFIG_SITE"; then
+    if test "x$prefix" != xNONE; then
+      CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+    else
+      CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+    fi
   fi
+else
+  CONFIG_SITE="$sitefile"
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
@@ -590,7 +601,7 @@ 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:594: checking host system type" >&5
+echo "configure:605: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -611,7 +622,7 @@ 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:615: checking target system type" >&5
+echo "configure:626: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -629,7 +640,7 @@ 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:633: checking build system type" >&5
+echo "configure:644: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -663,7 +674,7 @@ test "$host_alias" != "$target_alias" &&
 # 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""... $ac_c" 1>&6
-echo "configure:667: checking for a BSD compatible install" >&5
+echo "configure:678: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -716,7 +727,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:720: checking whether build environment is sane" >&5
+echo "configure:731: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -773,7 +784,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:777: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:788: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -819,7 +830,7 @@ EOF
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:823: checking for working aclocal" >&5
+echo "configure:834: checking for working aclocal" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -832,7 +843,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:836: checking for working autoconf" >&5
+echo "configure:847: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -845,7 +856,7 @@ else
 fi
 
 echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:849: checking for working automake" >&5
+echo "configure:860: checking for working automake" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -858,7 +869,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:862: checking for working autoheader" >&5
+echo "configure:873: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -871,7 +882,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:875: checking for working makeinfo" >&5
+echo "configure:886: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -886,7 +897,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:890: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:901: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -978,7 +989,7 @@ 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:982: checking for $ac_word" >&5
+echo "configure:993: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1008,7 +1019,7 @@ if test -z "$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:1012: checking for $ac_word" >&5
+echo "configure:1023: 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
@@ -1057,7 +1068,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1061: checking whether we are using GNU C" >&5
+echo "configure:1072: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1066,7 +1077,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1070: \"$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:1081: \"$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
@@ -1081,7 +1092,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1085: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1096: 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
@@ -1117,12 +1128,12 @@ fi
 # the result.
 if false; then
   echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:1121: checking for Cygwin environment" >&5
+echo "configure:1132: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1126 "configure"
+#line 1137 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1133,7 +1144,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:1137: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1148: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -1150,19 +1161,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:1154: checking for mingw32 environment" >&5
+echo "configure:1165: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1159 "configure"
+#line 1170 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:1166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -1181,7 +1192,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1185: checking for executable suffix" >&5
+echo "configure:1196: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1191,10 +1202,10 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1195: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1206: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
-      *.c | *.o | *.obj) ;;
+      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
       *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
       esac
     done
@@ -1284,7 +1295,7 @@ fi
 # 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:1288: checking for $ac_word" >&5
+echo "configure:1299: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1323,7 +1334,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1327: checking for ld used by GCC" >&5
+echo "configure:1338: checking for ld used by GCC" >&5
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
     # Accept absolute paths.
@@ -1347,10 +1358,10 @@ echo "configure:1327: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1351: checking for GNU ld" >&5
+echo "configure:1362: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1354: checking for non-GNU ld" >&5
+echo "configure:1365: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1386,7 +1397,7 @@ fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1390: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1401: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1402,7 +1413,7 @@ echo "$ac_t""$ac_cv_prog_gnu_ld" 1>&6
 
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1406: checking for BSD-compatible nm" >&5
+echo "configure:1417: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1440,7 +1451,7 @@ echo "$ac_t""$NM" 1>&6
 
 # Check for command to grab the raw symbol name followed by C symbol from nm.
 echo $ac_n "checking command to parse $NM output""... $ac_c" 1>&6
-echo "configure:1444: checking command to parse $NM output" >&5
+echo "configure:1455: checking command to parse $NM output" >&5
 if eval "test \"`echo '$''{'ac_cv_sys_global_symbol_pipe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1503,11 +1514,11 @@ void nm_test_func(){}
 int main(){nm_test_var='a';nm_test_func;return 0;}
 EOF
 
-  if { (eval echo configure:1507: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  if { (eval echo configure:1518: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     # Now try to grab the symbols.
     ac_nlist=conftest.nm
   
-    if { (eval echo configure:1511: \"$NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist\") 1>&5; (eval $NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) 2>&5; } && test -s "$ac_nlist"; then
+    if { (eval echo configure:1522: \"$NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist\") 1>&5; (eval $NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) 2>&5; } && test -s "$ac_nlist"; then
 
       # Try sorting and uniquifying the output.
       if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
@@ -1559,7 +1570,7 @@ EOF
 	  ac_save_CFLAGS="$CFLAGS"
 	  LIBS="conftestm.$ac_objext"
 	  CFLAGS="$CFLAGS$no_builtin_flag"
-	  if { (eval echo configure:1563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+	  if { (eval echo configure:1574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
 	    ac_pipe_works=yes
 	  else
 	    echo "configure: failed program was:" >&5
@@ -1605,7 +1616,7 @@ fi
 echo "$ac_t""$ac_result" 1>&6
 
 echo $ac_n "checking for _ prefix in compiled symbols""... $ac_c" 1>&6
-echo "configure:1609: checking for _ prefix in compiled symbols" >&5
+echo "configure:1620: checking for _ prefix in compiled symbols" >&5
 if eval "test \"`echo '$''{'ac_cv_sys_symbol_underscore'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1614,10 +1625,10 @@ cat > conftest.$ac_ext <<EOF
 void nm_test_func(){}
 int main(){nm_test_func;return 0;}
 EOF
-if { (eval echo configure:1618: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1629: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   # Now try to grab the symbols.
   ac_nlist=conftest.nm
-  if { (eval echo configure:1621: \"$NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist\") 1>&5; (eval $NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) 2>&5; } && test -s "$ac_nlist"; then
+  if { (eval echo configure:1632: \"$NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist\") 1>&5; (eval $NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) 2>&5; } && test -s "$ac_nlist"; then
     # See whether the symbols have a leading underscore.
     if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
       ac_cv_sys_symbol_underscore=yes
@@ -1643,7 +1654,7 @@ echo "$ac_t""$ac_cv_sys_symbol_underscore" 1>&6
 USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no}
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1647: checking whether ln -s works" >&5
+echo "configure:1658: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1685,8 +1696,8 @@ test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 case "$host" in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 1689 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:1690: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 1700 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:1701: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -1707,19 +1718,19 @@ case "$host" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:1711: checking whether the C compiler needs -belf" >&5
+echo "configure:1722: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1716 "configure"
+#line 1727 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1723: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1734: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -1742,7 +1753,7 @@ echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
   # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ac_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1746: checking for $ac_word" >&5
+echo "configure:1757: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1774,7 +1785,7 @@ if test -n "$ac_tool_prefix"; 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:1778: checking for $ac_word" >&5
+echo "configure:1789: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1809,7 +1820,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1813: checking for $ac_word" >&5
+echo "configure:1824: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1841,7 +1852,7 @@ if test -n "$ac_tool_prefix"; 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:1845: checking for $ac_word" >&5
+echo "configure:1856: 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
@@ -1979,28 +1990,10 @@ else
 fi
 
 
-
-if test -n "$with_cross_host"; then
-   # We are being configured with a cross compiler.  AC_REPLACE_FUNCS
-   # may not work correctly, because the compiler may not be able to
-   # link executables.
-
-   # We assume newlib.  This lets us hard-code the functions we know
-   # we'll have.
-   cat >> confdefs.h <<\EOF
-#define HAVE_MEMCPY 1
-EOF
-
-   cat >> confdefs.h <<\EOF
-#define HAVE_STRERROR 1
-EOF
-
-
-   # We ignore --with-system-zlib in this case.
-   target_all=libzgcj.la
-else
-   echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2004: checking how to run the C preprocessor" >&5
+# Find CPP now so that any conditional tests below won't do it and
+# thereby make the resulting definitions conditional.
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:1997: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2015,13 +2008,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2019 "configure"
+#line 2012 "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:2025: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2018: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2032,13 +2025,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2036 "configure"
+#line 2029 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2042: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2035: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2049,13 +2042,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2053 "configure"
+#line 2046 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2059: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2052: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2079,21 +2072,41 @@ else
 fi
 echo "$ac_t""$CPP" 1>&6
 
-for ac_hdr in unistd.h
+
+if test -n "$with_cross_host"; then
+   # We are being configured with a cross compiler.  AC_REPLACE_FUNCS
+   # may not work correctly, because the compiler may not be able to
+   # link executables.
+
+   # We assume newlib.  This lets us hard-code the functions we know
+   # we'll have.
+   cat >> confdefs.h <<\EOF
+#define HAVE_MEMCPY 1
+EOF
+
+   cat >> confdefs.h <<\EOF
+#define HAVE_STRERROR 1
+EOF
+
+
+   # We ignore --with-system-zlib in this case.
+   target_all=libzgcj.la
+else
+   for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2087: checking for $ac_hdr" >&5
+echo "configure:2100: 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 2092 "configure"
+#line 2105 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2097: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2110: \"$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*
@@ -2122,12 +2135,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2126: checking for $ac_func" >&5
+echo "configure:2139: 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 2131 "configure"
+#line 2144 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2150,7 +2163,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2154: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2167: \"$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
@@ -2175,7 +2188,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:2179: checking for working mmap" >&5
+echo "configure:2192: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2183,7 +2196,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 2187 "configure"
+#line 2200 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -2323,7 +2336,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:2327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2340: \"$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
@@ -2348,12 +2361,12 @@ fi
    for ac_func in memcpy strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2352: checking for $ac_func" >&5
+echo "configure:2365: 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 2357 "configure"
+#line 2370 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2376,7 +2389,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2380: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2393: \"$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
@@ -2403,7 +2416,7 @@ done
 
    if test "$with_system_zlib" = yes; then
       echo $ac_n "checking for deflate in -lz""... $ac_c" 1>&6
-echo "configure:2407: checking for deflate in -lz" >&5
+echo "configure:2420: checking for deflate in -lz" >&5
 ac_lib_var=`echo z'_'deflate | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2411,7 +2424,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lz  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2415 "configure"
+#line 2428 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2422,7 +2435,7 @@ int main() {
 deflate()
 ; return 0; }
 EOF
-if { (eval echo configure:2426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2439: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2454,17 +2467,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2458: checking for $ac_hdr" >&5
+echo "configure:2471: 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 2463 "configure"
+#line 2476 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2468: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2481: \"$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*
diff --git a/zlib/configure.in b/zlib/configure.in
index 7428241afd1..2edccc3b494 100644
--- a/zlib/configure.in
+++ b/zlib/configure.in
@@ -62,6 +62,9 @@ else
 fi
 AC_SUBST(COMPPATH)
 
+# Find CPP now so that any conditional tests below won't do it and
+# thereby make the resulting definitions conditional.
+AC_PROG_CPP
 
 if test -n "$with_cross_host"; then
    # We are being configured with a cross compiler.  AC_REPLACE_FUNCS