From: Roland McGrath <roland@gnu.org>
Date: Tue, 19 Mar 1996 21:59:41 +0000 (+0000)
Subject: * features.h (__FAVOR_BSD): Define only if _BSD_SOURCE is defined
X-Git-Tag: upstream/2.20~22617
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d3669add24e6ebc86ed25683ff4d4eb7c67e4d56;p=platform%2Fupstream%2Flinaro-glibc.git

* features.h (__FAVOR_BSD): Define only if _BSD_SOURCE is defined

	and no other _*_SOURCE macro is.
	(_GNU_SOURCE): Don't define by default.
	* libc-symbols.h (_GNU_SOURCE): Define it.
---

diff --git a/ChangeLog b/ChangeLog
index 3e38860..45095cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 Tue Mar 19 14:18:42 1996  Roland McGrath  <roland@charlie-brown.gnu.ai.mit.edu>
 
+	* features.h (__FAVOR_BSD): Define only if _BSD_SOURCE is defined
+	and no other _*_SOURCE macro is.
+	(_GNU_SOURCE): Don't define by default.
+	* libc-symbols.h (_GNU_SOURCE): Define it.
+
 	* configure.in (alpha*-*-linux*): Unset $gnu_ld and $elf.
 
 	* config.make.in (weak-symbols): Variable removed.
diff --git a/NEWS b/NEWS
index 7fb49b6..ec8589b 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,10 @@ Please send GNU C library bug reports to bug-glibc@prep.ai.mit.edu.
 
 Version 1.10
 
+* GNU extensions are no longer declared by default.  To enable them you
+  must define the macro `_GNU_SOURCE' in your program or compile with
+  `-D_GNU_SOURCE'.
+
 * The library has changed from using GNU ld symbol aliases to using weak
   symbols where available.  The ELF object file format supports weak
   symbols; GNU ld also supports weak symbols in the a.out format.  (There
@@ -34,8 +38,9 @@ Version 1.10
 
 * The C library now provides the run-time support code for profiling
   executables compiled with `-pg'.  Programs can control the profiling code
-  through the interface in <sys/gmon.h>.  The profiling code was adapted
-  from 4.4 BSD-Lite.
+  through the interface in <sys/gmon.h>.  The `gmon.out' files written by
+  the GNU C library can be read only by GNU `gprof' (from GNU binutils);
+  the support for this file format was contributed by David Mosberger-Tang.
 
 * The math code has been replaced with a math library based on fdlibm from
   Sun, and modified by JT Conklin with i387 support and by Ian Taylor with
@@ -142,6 +147,10 @@ Version 1.10
   The GNU library now supports Linux versions 1.3.29 and later,
   using the ELF object file format (i[345]86-*-linux).
 
+* Andreas Schwab has ported the C library to Linux/m68k (m68k-*-linux).
+
+* David Mosberger-Tang has ported the C library to Linux/Alpha (alpha-*-linux).
+
 * Ulrich Drepper has contributed a new set of message catalog functions to
   support multiple languages, for use with his new package GNU gettext.
 
diff --git a/features.h b/features.h
index 1249bb5..675eac5 100644
--- a/features.h
+++ b/features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@ Cambridge, MA 02139, USA.  */
    _GNU_SOURCE		All of the above, plus GNU extensions.
 
    The `-ansi' switch to the GNU C compiler defines __STRICT_ANSI__.
-   If none of these are defined, the default is _GNU_SOURCE.
+   If none of these are defined, the default is all but _GNU_SOURCE.
    If more than one of these are defined, they accumulate.
    For example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE
    together give you ANSI C, 1003.1, and 1003.2, but nothing else.
@@ -69,20 +69,14 @@ Cambridge, MA 02139, USA.  */
 #undef	__FAVOR_BSD
 
 
-/* If nothing is defined, define _GNU_SOURCE.  */
-#if (!defined(_GNU_SOURCE) && !defined(__STRICT_ANSI__) && \
-     !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
-     !defined(_BSD_SOURCE) && !defined(_SVID_SOURCE))
-#define	_GNU_SOURCE	1
-#endif
-
-
 /* Always use ANSI things.  */
 #define	__USE_ANSI	1
 
 
 /* If _BSD_SOURCE was defined by the user, favor BSD over POSIX.  */
-#ifdef	_BSD_SOURCE
+#if defined (_BSD_SOURCE) && \
+    !(defined (_POSIX_SOURCE) || defined (_POSIX_C_SOURCE) ||
+      defiend (_GNU_SOURCE) || defined (_SVID_SOURCE))
 #define	__FAVOR_BSD	1
 #endif
 
diff --git a/libc-symbols.h b/libc-symbols.h
index f7231f9..7405e67 100644
--- a/libc-symbols.h
+++ b/libc-symbols.h
@@ -46,6 +46,9 @@ Cambridge, MA 02139, USA.  */
    itself is being compiled, or just some generator program.  */
 #define _LIBC	1
 
+/* Enable declarations of GNU extensions, since we are compiling them.  */
+#define _GNU_SOURCE	1
+
 #include <config.h>
 
 /* This disables sccsid/rcsid strings in lots of code of non-GNU origin.  */