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authorRoland McGrath <roland@gnu.org>1996-03-19 21:59:41 +0000
committerRoland McGrath <roland@gnu.org>1996-03-19 21:59:41 +0000
commitd3669add24e6ebc86ed25683ff4d4eb7c67e4d56 (patch)
tree8dd2bcd753727f20d10781d212197f8708ef8b44
parentc8cf0b14ed2a085f17c6c5c58ca4a92d97591fcc (diff)
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* 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.
-rw-r--r--ChangeLog5
-rw-r--r--NEWS13
-rw-r--r--features.h16
-rw-r--r--libc-symbols.h3
4 files changed, 24 insertions, 13 deletions
diff --git a/ChangeLog b/ChangeLog
index 3e388606c5..45095cf074 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 7fb49b6055..ec8589bb06 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 1249bb50b3..675eac5d52 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 f7231f9c7c..7405e67086 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. */