acconfig.h: Revert.

2000-08-24  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* acconfig.h: Revert.
	* acinclude.m4: Revert.
	* libio/_G_config.h: Revert.
	* libio/libio.h: Revert.

From-SVN: r35943

libstdc++-v3/acconfig.h

@@ -69,24 +69,6 @@
 // Define if modf is present in <math.h>
 #undef HAVE_MODF
 
-// Define if multiple threads are to be taken into account.
-#undef _GLIBCPP_USING_THREADS
-
-// Define to some workaround if not directly available.
-#undef off64_t
-
-// Define to some workaround if not directly available.
-#undef __off_t
-
-// Define to some workaround if not directly available.
-#undef __off64_t
-
-// Define to some workaround if not directly available.
-#undef __ssize_t
-
-// Define to regular stat if not directly supported.
-#undef stat64
-
 // @BOTTOM@
 //
 // Systems that have certain non-standard functions prefixed with an

libstdc++-v3/libio/_G_config.h

@@ -6,16 +6,11 @@
 
 #ifndef _LIBC
 # include <bits/c++config.h>
-# ifdef _GLIBCPP_USING_THREADS
-#  define _IO_MTSAFE_IO
-# endif
+# define _IO_MTSAFE_IO
 #endif
 
 /* Define types for libio in terms of the standard internal type names.  */
 
-#ifndef _LARGEFILE64_SOURCE
-# define _LARGEFILE64_SOURCE
-#endif
 #include <sys/types.h>
 #define __need_size_t
 #define __need_wchar_t

libstdc++-v3/libio/libio.h

@@ -164,7 +164,7 @@ struct _IO_jump_t;  struct _IO_FILE;
 /*# include <comthread.h>*/
 # endif
 #else
-typedef void* _IO_lock_t;
+typedef void _IO_lock_t;
 #endif