configure.in, aclocal.m4: Revert to pre-2.5x conversion status.

* configure.in, aclocal.m4: Revert to pre-2.5x conversion status.
	* configure: Regenerate with autoconf 2.13.

From-SVN: r74396

gcc/ChangeLog

@@ -1,5 +1,8 @@
 2003-12-07  Nathanael Nerode  <neroden@gcc.gnu.org>
 
+	* configure.in, aclocal.m4: Revert to pre-2.5x conversion status.
+	* configure: Regenerate with autoconf 2.13.
+
 	* configure.in: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
 	with modern equivalents.
 	* configure: Regenerate.

gcc/aclocal.m4

@@ -16,6 +16,27 @@ if test $ac_cv_header_stdbool_h = yes; then
 fi
 ])
 
+dnl Fixed AC_CHECK_TYPE that doesn't need anything in acconfig.h.
+dnl Remove after migrating to 2.5x.
+AC_DEFUN([gcc_AC_CHECK_TYPE],
+[AC_REQUIRE([AC_HEADER_STDC])dnl
+AC_MSG_CHECKING(for $1)
+AC_CACHE_VAL(ac_cv_type_$1,
+[AC_EGREP_CPP(dnl
+changequote(<<,>>)dnl
+<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
+changequote([,]), [#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
+AC_MSG_RESULT($ac_cv_type_$1)
+if test $ac_cv_type_$1 = no; then
+  AC_DEFINE($1, $2, [Define as \`$2' if <sys/types.h> doesn't define.])
+fi
+])
+
+
 dnl See whether we can include both string.h and strings.h.
 AC_DEFUN([gcc_AC_HEADER_STRING],
 [AC_CACHE_CHECK([whether string.h and strings.h may both be included],
@@ -732,7 +753,7 @@ AC_DEFUN([gcc_GAS_CHECK_FEATURE],
   if test $in_tree_gas = yes; then
     gcc_GAS_VERSION_GTE_IFELSE($3, [[$2]=yes])
   el])if test x$gcc_cv_as != x; then
-    echo ifelse(m4_substr([$5],0,1),[$], "[$5]", '[$5]') > conftest.s
+    echo ifelse(substr([$5],0,1),[$], "[$5]", '[$5]') > conftest.s
     if AC_TRY_COMMAND([$gcc_cv_as $4 -o conftest.o conftest.s >&AC_FD_CC])
     then
 	ifelse([$6],, [$2]=yes, [$6])

gcc/configure.in

@@ -25,15 +25,12 @@
 # Initialization and sanity checks
 # --------------------------------
 
-AC_PREREQ(2.57)
-AC_INIT
-AC_CONFIG_SRCDIR(tree.c)
+AC_PREREQ(2.13)
+AC_INIT(tree.c)
 AC_CONFIG_HEADER(auto-host.h:config.in)
 
 # Determine the host, build, and target systems
-AC_CANONICAL_BUILD
-AC_CANONICAL_HOST
-AC_CANONICAL_TARGET
+AC_CANONICAL_SYSTEM
 
 # Determine the noncanonical target name, for directory use.
 _GCC_TOPLEV_NONCANONICAL_TARGET
@@ -801,7 +798,7 @@ int main()
   fi
 fi
 
-AC_CHECK_TYPE(ssize_t, int)
+gcc_AC_CHECK_TYPE(ssize_t, int)
 
 # Try to determine the array type of the second argument of getgroups
 # for the target system (int or gid_t).
@@ -1962,16 +1959,15 @@ __FRAME_BEGIN__:
 	.byte	0x4
 	.4byte	.L1-.LFB1
 .LEFDE1:],
-[  dnl # For autoconf 2.5x, must protect trailing spaces with @&t@.
-cat > conftest.lit <<EOF
+[  cat > conftest.lit <<EOF
  0000 10000000 00000000 017a0001 781a0004  .........z..x...
  0010 01000000 12000000 18000000 00000000  ................
- 0020 08000000 04080000 0044               .........D      @&t@
+ 0020 08000000 04080000 0044               .........D      
 EOF
-cat > conftest.big <<EOF
+  cat > conftest.big <<EOF
  0000 00000010 00000000 017a0001 781a0004  .........z..x...
  0010 00000001 00000012 00000018 00000000  ................
- 0020 00000008 04000000 0844               .........D      @&t@
+ 0020 00000008 04000000 0844               .........D      
 EOF
   # If the assembler didn't choke, and we can objdump,
   # and we got the correct data, then succeed.
@@ -3041,9 +3037,7 @@ fi
 
 # Create the Makefile
 # and configure language subdirectories
-AC_CONFIG_FILES($all_outputs)
-
-AC_CONFIG_COMMANDS([default],
+AC_OUTPUT($all_outputs,
 [
 case ${CONFIG_HEADERS} in
   *auto-host.h:config.in*)
@@ -3076,4 +3070,3 @@ else true ; fi
 [subdirs='$subdirs'
 symbolic_link='$symbolic_link'
 ])
-AC_OUTPUT