EGCS initial release status (fwd)

[H.J. Lu]

> 
> HJ writes:
> > FWIW, I have been able to build/check egcs on linux with both
> > libc 5 and glibc 2 for a while now. But it will need the libc
> > 5.4.39 or above, a new glibc 2 and patch for egcs.
> 
> What are the issues with older libc5 versions?  What breaks?

Nothing is broken. Here is the libc 5.4.38 patch for libio
in egcs.


-- 
H.J. Lu (hjl@gnu.ai.mit.edu)
----
Index: _G_config.h
===================================================================
RCS file: /home/work/cvs/linux/include/_G_config.h,v
retrieving revision 1.97
retrieving revision 1.98
diff -u -r1.97 -r1.98
--- _G_config.h	1997/08/27 19:37:15	1.97
+++ _G_config.h	1997/09/18 18:50:35	1.98
@@ -2,10 +2,10 @@
 #ifndef _G_config_h
 #define _G_config_h
 
-#define _LINUX_C_LIB_VERSION		"5.4.38"
+#define _LINUX_C_LIB_VERSION		"5.4.39"
 #define _LINUX_C_LIB_VERSION_MAJOR	5
 #define _LINUX_C_LIB_VERSION_MINOR	4
-#define _LINUX_C_LIB_VERSION_SUBMINOR	38
+#define _LINUX_C_LIB_VERSION_SUBMINOR	39
 
 #define _G_LIB_VERSION "2.7.2"
 
@@ -86,6 +86,7 @@
 #define _G_HAVE_UNISTD 1
 #define _G_HAVE_DIRENT 1
 #define _G_HAVE_CURSES 1
+#define _G_HAVE_FEATURES 1
 #define _G_MATH_H_INLINES 0
 #if defined(__GNUG__) && defined(__GNUC__) && (__GNUC__ > 2 || \
 	(__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
@@ -93,5 +94,9 @@
 #else
 #define _G_HAVE_BOOL 0
 #endif
+
+#define	_G_HAVE_LONG_DOUBLE_IO 1
+#define _G_HAVE_PRINTF_FP 1
+#define _G_HAVE_MMAP 1
 
 #endif /* !_G_config_h */
Index: libio.h
===================================================================
RCS file: /home/work/cvs/linux/include/libio.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- libio.h	1996/07/18 07:49:25	1.7
+++ libio.h	1997/09/18 18:50:35	1.8
@@ -86,11 +86,16 @@
 #define EOF (-1)
 #endif
 #ifndef NULL
-#if !defined(__cplusplus) || defined(__GNUC__)
-#define NULL ((void*)0)
-#else
-#define NULL (0)
-#endif
+# if defined __GNUG__ && \
+    (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
+#  define NULL (__null)
+# else
+#  if !defined(__cplusplus)
+#   define NULL ((void*)0)
+#  else
+#   define NULL (0)
+#  endif
+# endif
 #endif
 
 #define _IOS_INPUT	1
@@ -270,6 +275,13 @@
 extern _IO_fpos_t _IO_seekpos __P((_IO_FILE*, _IO_fpos_t, int));
 
 extern void _IO_free_backup_area __P((_IO_FILE*));
+
+/* They are used by libstdc++. */
+#define _IO_flockfile(_fp) /**/
+#define _IO_funlockfile(_fp) /**/
+#define _IO_ftrylockfile(_fp) /**/
+#define _IO_cleanup_region_start(_fct, _fp) /**/
+#define _IO_cleanup_region_end(_Doit) /**/
 
 #ifdef __cplusplus
 }