libiberty.h (asprintf): Don't declare if HAVE_DECL_ASPRINTF is not defined.

include/:
	* libiberty.h (asprintf): Don't declare if HAVE_DECL_ASPRINTF is
	not defined.
libiberty/:
	* configure.ac: Add AC_GNU_SOURCE.
	* Makefile.in (COMPILE.c): Add -D_GNU_SOURCE.
	* configure, config.in: Rebuild.
	* floatformat.c (_GNU_SOURCE): Don't define if already defined.

From-SVN: r223589

include/ChangeLog

+2015-05-22  Yunlian Jiang  <yunlian@google.com>
+
+	* libiberty.h (asprintf): Don't declare if HAVE_DECL_ASPRINTF is
+	not defined.
+
 2015-03-19  Richard Biener  <rguenther@suse.de>
 
 	* partition.h (struct partition_elem): Re-order elements to

include/libiberty.h

@@ -621,7 +621,7 @@ extern int pexecute (const char *, char * const *, const char *,
 
 extern int pwait (int, int *, int);
 
-#if !HAVE_DECL_ASPRINTF
+#if defined(HAVE_DECL_ASPRINTF) && !HAVE_DECL_ASPRINTF
 /* Like sprintf but provides a pointer to malloc'd storage, which must
    be freed by the caller.  */
 

libiberty/ChangeLog

+2015-05-22  Yunlian Jiang  <yunlian@google.com>
+
+	* configure.ac: Add AC_GNU_SOURCE.
+	* Makefile.in (COMPILE.c): Add -D_GNU_SOURCE.
+	* configure, config.in: Rebuild.
+	* floatformat.c (_GNU_SOURCE): Don't define if already defined.
+
 2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_symbol_kinds): New enum.

libiberty/Makefile.in

@@ -3,7 +3,7 @@
 #
 # Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
 # 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-# 2012, 2014 Free Software Foundation
+# 2012, 2014, 2015 Free Software Foundation
 #
 # This file is part of the libiberty library.
 # Libiberty is free software; you can redistribute it and/or
@@ -113,7 +113,8 @@ installcheck: installcheck-subdir
 
 INCDIR=$(srcdir)/$(MULTISRCTOP)../include
 
-COMPILE.c = $(CC) -c @DEFS@ $(CFLAGS) $(CPPFLAGS) -I. -I$(INCDIR) $(HDEFINES) @ac_libiberty_warn_cflags@
+COMPILE.c = $(CC) -c @DEFS@ $(CFLAGS) $(CPPFLAGS) -I. -I$(INCDIR) \
+               $(HDEFINES) @ac_libiberty_warn_cflags@ -D_GNU_SOURCE
 
 # Just to make sure we don't use a built-in rule with VPATH
 .c.$(objext):

libiberty/config.in

@@ -485,6 +485,28 @@
 /* Define to an unsigned 64-bit type available in the compiler. */
 #undef UNSIGNED_64BIT_TYPE
 
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */
 #if defined AC_APPLE_UNIVERSAL_BUILD
@@ -503,6 +525,16 @@
 /* Define for large files, on AIX-style hosts. */
 #undef _LARGE_FILES
 
+/* Define to 1 if on MINIX. */
+#undef _MINIX
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#undef _POSIX_1_SOURCE
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#undef _POSIX_SOURCE
+
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const
 

libiberty/configure.ac

@@ -155,6 +155,7 @@ AC_MSG_NOTICE([target_header_dir = $target_header_dir])
 
 GCC_NO_EXECUTABLES
 AC_PROG_CC
+AC_GNU_SOURCE
 AC_SYS_LARGEFILE
 AC_PROG_CPP_WERROR
 

libiberty/floatformat.c

 /* IEEE floating point support routines, for GDB, the GNU Debugger.
-   Copyright 1991, 1994, 1999, 2000, 2003, 2005, 2006, 2010, 2012
+   Copyright 1991, 1994, 1999, 2000, 2003, 2005, 2006, 2010, 2012, 2015
    Free Software Foundation, Inc.
 
 This file is part of GDB.
@@ -19,7 +19,9 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* This is needed to pick up the NAN macro on some systems.  */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"