re PR preprocessor/15824 (uchar redefinition warnings in libcpp)

	PR preprocessor/15824
	* configure.ac: Correct HAVE_UCHAR test to #include <sys/types.h>
	directly, instead of the non-existant "system.h" and "ansidecl.h".
	* configure: Regenerate.

From-SVN: r91157

libcpp/ChangeLog

+2004-11-24  Roger Sayle  <roger@eyesopen.com>
+
+	PR preprocessor/15824
+	* configure.ac: Correct HAVE_UCHAR test to #include <sys/types.h>
+	directly, instead of the non-existant "system.h" and "ansidecl.h".
+	* configure: Regenerate.
+
 2004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
             Joseph Myers  <joseph@codesourcery.com>
 

libcpp/configure

@@ -6149,8 +6149,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-#include "ansidecl.h"
-#include "system.h"
+#include <sys/types.h>
 
 int
 main ()

libcpp/configure.ac

@@ -57,8 +57,7 @@ ZW_GNU_GETTEXT_SISTER_DIR
 
 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
 [AC_TRY_COMPILE([
-#include "ansidecl.h"
-#include "system.h"
+#include <sys/types.h>
 ],
 [if ((uchar *)0) return 0;
  if (sizeof(uchar)) return 0;],