missing autoconf 2.53 support

diff -u -r --exclude='*.o' ngpt-2.0.3-orig/aclocal.m4 ngpt-2.0.3-production/aclocal.m4
--- ngpt-2.0.3-orig/aclocal.m4	2002-06-21 19:01:11.000000000 +0200
+++ ngpt-2.0.3-production/aclocal.m4	2002-10-02 06:33:37.000000000 +0200
@@ -23,6 +23,12 @@
 dnl ##
 dnl ##  aclocal.m4: Pth Autoconf macros
 dnl ##
+dnl ## On autoconf 2.53 there is no AC_DIVERSION_NOTICE any more.
+dnl ## With this minimal hack, we can use all the rest as it is and keep
+dnl ## NGPT compatible with autoconf 2.13. Maybe we should remove all
+dnl ## divert calls.
+ifdef(AC_DIVERSION_NOTICE,,define(AC_DIVERSION_NOTICE,1))
+
 divert(-1)
                         dnl # ``"Reuse an expert's code" is the right
                         dnl #   advice for most people. But it's a useless 
@@ -190,9 +196,9 @@
 dnl ##
 
 AC_DEFUN(AC_PLATFORM,[
-if test ".$host" != .NONE; then
+if test ".$host" != .NONE -a ".$host" != . ; then
     $1="$host"
-elif test ".$nonopt" != .NONE; then
+elif test ".$nonopt" != .NONE -a ".$nonopt" != . ; then
     $1="$nonopt"
 else
     $1=`${CONFIG_SHELL-/bin/sh} $srcdir/config.guess`
@@ -332,35 +338,39 @@
 
 AC_DEFUN(AC_CHECK_LONGLONG,[dnl
 AC_MSG_CHECKING(for built-in type long long)
- AC_CACHE_VAL(ac_cv_type_longlong,[
+ AC_CACHE_VAL(ac_cv_type_longlong,[dnl
   AC_TRY_LINK([
 #include <sys/types.h>
   ],[
     long long X = 2, Y = 1, Z;
     Z = X / Y; 
   ],
-    AC_DEFINE(HAVE_LONGLONG)
     ac_cv_type_longlong=yes, 
     ac_cv_type_longlong=no
   )dnl
  ])dnl
+ if test ".$ac_cv_type_longlong" = .yes; then
+  AC_DEFINE(HAVE_LONGLONG)
+ fi
 AC_MSG_RESULT([$ac_cv_type_longlong])
 ])dnl
 
 AC_DEFUN(AC_CHECK_LONGDOUBLE,[dnl
 AC_MSG_CHECKING(for built-in type long double)
- AC_CACHE_VAL(ac_cv_type_longdouble,[
+ AC_CACHE_VAL(ac_cv_type_longdouble,[dnl
   AC_TRY_LINK([
 #include <sys/types.h>
   ],[
     long double X = 2, Y = 1, Z;
     Z = X / Y; 
   ],
-    AC_DEFINE(HAVE_LONGDOUBLE)
     ac_cv_type_longdouble=yes, 
     ac_cv_type_longdouble=no
   )dnl
  ])dnl
+ if test ".$ac_cv_type_longdouble" = .yes; then
+    AC_DEFINE(HAVE_LONGDOUBLE)
+ fi
 AC_MSG_RESULT([$ac_cv_type_longdouble])
 ])dnl
 
@@ -813,7 +825,9 @@
     fi
     i=`expr $i + 1`
 done
+changequote([, ])dnl
 (eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC |\
+changequote(, )dnl
 sed -e ':join' \
     -e '/,[ 	]*$/N' \
     -e 's/,[ 	]*\n[ 	]*/, /' \
@@ -1297,7 +1311,7 @@
 rc=`cat conftestval`,
 rc=failed,
 rc=failed
-)dnl
+)
 CFLAGS="$OCFLAGS"
 if test ".$rc" = .ok; then
     ac_cv_check_sjlj=$testtype
@@ -1393,7 +1407,7 @@
 nsig=`cat conftestval`,
 nsig=32,
 nsig=32
-)dnl
+)
 AC_MSG_RESULT([$nsig])
 AC_DEFINE_UNQUOTED($1, $nsig)
 ])
@@ -1417,7 +1431,7 @@
 
 AC_DEFUN(AC_CHECK_EXTLIB,[dnl
 AC_ARG_WITH($2,dnl
-[  --with-]substr([$2[[=DIR]]                 ], 0, 19)[build against $1 library (default=no)],
+[  --with-]substr([$2[[=DIR]]                 ], 0, 19)[build against $1 library (default=no)],[
     if test ".$with_$2" = .yes; then
         #   via config script
         $2_version=`($2-config --version) 2>/dev/null`
@@ -1462,7 +1476,7 @@
             fi
             #   in any subarea
             if test ".$found" = .0; then
-changequote(, )dnl
+changequote(, )
                 for file in x `find $with_$2 -name "$4" -type f -print`; do
                     test .$file = .x && continue
                     dir=`echo $file | sed -e 's;[[^/]]*$;;' -e 's;\(.\)/$;\1;'`
@@ -1474,7 +1488,7 @@
                     dir=`echo $file | sed -e 's;[[^/]]*$;;' -e 's;\(.\)/$;\1;'`
                     LDFLAGS="$LDFLAGS -L$dir"
                 done
-changequote([, ])dnl
+changequote([, ])
             fi
         fi
     fi
@@ -1484,11 +1498,11 @@
     if test ".$with_$2" = .no; then
         AC_ERROR([Unable to find $1 library])
     fi
-,
+],[
 if test ".$with_$2" = .; then
     with_$2=no
 fi
-)dnl
+])
 AC_MSG_CHECKING(whether to build against $1 library)
 if test ".$with_$2" = .yes; then
     ifelse([$5], , :, [$5])
@@ -1566,7 +1580,7 @@
 ac_cv_check_mcsc=no,
 ac_cv_check_mcsc=no
 )dnl
-])dnl
+])
 AC_MSG_RESULT([$ac_cv_check_mcsc])
 if test ".$ac_cv_check_mcsc" = .yes; then
     ifelse([$1], , :, [$1])
@@ -1764,10 +1778,10 @@
 ],[
 dnl #   cross-platform => failed
 ac_cv_stacksetup_$1='guessed:(skaddr),(sksize)'
-])dnl
+])
 dnl #   restore original compile environment
 CFLAGS="$OCFLAGS"
-])dnl
+])
 fi
 dnl #   extract result ingredients of single cached result value
 type=`echo $ac_cv_stacksetup_$1 | sed -e 's;:.*$;;'`
@@ -1785,5 +1799,5 @@
 AC_MSG_VERBOSE([$]$3)
 ])
 
-divert
+divert(0)

diff -u -r --exclude='*.o' ngpt-2.0.3-orig/configure.in ngpt-2.0.3-production/configure.in
--- ngpt-2.0.3-orig/configure.in	2002-09-24 18:07:19.000000000 +0200
+++ ngpt-2.0.3-production/configure.in	2002-10-02 07:00:36.000000000 +0200
@@ -633,12 +633,12 @@
 dnl #  whether to build thread_db library
 AC_MSG_CHECKING(whether to build thread_db library)
 AC_ARG_ENABLE(thread_db,dnl
-[  --enable-thread_db        build thread_db library (default=no)],
-enable_thread_db="$enableval",
+[  --enable-thread_db        build thread_db library (default=no)],[
+enable_thread_db="$enableval"
 if test ".$enable_thread_db" = .; then
     enable_thread_db=no
 fi
-)dnl
+])
 AC_MSG_RESULT([$enable_thread_db])
 if test ".$enable_thread_db" = .yes; then
     LIBTHREAD_DB_LA=libthread_db.la