* winsup.h (_GNU_SOURCE): Define. Explain why.

* configure.ac: Convert to new AC_INIT style.
	* configure: Regenerate.

winsup/cygwin/ChangeLog

@@ -1,3 +1,9 @@
+2014-08-15  Corinna Vinschen  <corinna@vinschen.de>
+
+	* winsup.h (_GNU_SOURCE): Define.  Explain why.
+	* configure.ac: Convert to new AC_INIT style.
+	* configure: Regenerate.
+
 2014-08-15  Corinna Vinschen  <corinna@vinschen.de>
 
 	* cygerrno.h (seterrno): Define as (always) inline function.

winsup/cygwin/configure

@@ -1,6 +1,8 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69.
+# Generated by GNU Autoconf 2.69 for Cygwin DLL 0.
+#
+# Report bugs to <cygwin@cygwin.com>.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -263,10 +265,11 @@ fi
     $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
     $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
-$0: including any error possibly output before this
-$0: message. Then install a modern shell, or manually run
-$0: the script under such a shell if you do have one."
+    $as_echo "$0: Please tell bug-autoconf@gnu.org and cygwin@cygwin.com
+$0: about your system, including any error possibly output
+$0: before this message. Then install a modern shell, or
+$0: manually run the script under such a shell if you do
+$0: have one."
   fi
   exit 1
 fi
@@ -574,12 +577,12 @@ MFLAGS=
 MAKEFLAGS=
 
 # Identity of this package.
-PACKAGE_NAME=
-PACKAGE_TARNAME=
-PACKAGE_VERSION=
-PACKAGE_STRING=
-PACKAGE_BUGREPORT=
-PACKAGE_URL=
+PACKAGE_NAME='Cygwin DLL'
+PACKAGE_TARNAME='cygwin'
+PACKAGE_VERSION='0'
+PACKAGE_STRING='Cygwin DLL 0'
+PACKAGE_BUGREPORT='cygwin@cygwin.com'
+PACKAGE_URL='https://cygwin.com'
 
 ac_unique_file="Makefile.in"
 ac_no_link=no
@@ -734,7 +737,7 @@ sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-docdir='${datarootdir}/doc/${PACKAGE}'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
 infodir='${datarootdir}/info'
 htmldir='${docdir}'
 dvidir='${docdir}'
@@ -1234,7 +1237,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures this package to adapt to many kinds of systems.
+\`configure' configures Cygwin DLL 0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1282,7 +1285,7 @@ Fine tuning of the installation directories:
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/cygwin]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1299,7 +1302,9 @@ _ACEOF
 fi
 
 if test -n "$ac_init_help"; then
-
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of Cygwin DLL 0:";;
+   esac
   cat <<\_ACEOF
 
 Optional Features:
@@ -1330,7 +1335,8 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to the package provider.
+Report bugs to <cygwin@cygwin.com>.
+Cygwin DLL home page: <https://cygwin.com>.
 _ACEOF
 ac_status=$?
 fi
@@ -1393,7 +1399,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-configure
+Cygwin DLL configure 0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1523,7 +1529,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by $as_me, which was
+It was created by Cygwin DLL $as_me 0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -1871,6 +1877,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+
 ac_config_headers="$ac_config_headers config.h"
 
 ac_aux_dir=
@@ -4974,7 +4981,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by $as_me, which was
+This file was extended by Cygwin DLL $as_me 0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5030,13 +5037,14 @@ $config_files
 Configuration headers:
 $config_headers
 
-Report bugs to the package provider."
+Report bugs to <cygwin@cygwin.com>.
+Cygwin DLL home page: <https://cygwin.com>."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-config.status
+Cygwin DLL config.status 0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

winsup/cygwin/configure.ac

@@ -1,5 +1,19 @@
+dnl Autoconf configure script for Cygwin.
+dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+dnl 2006, 2008, 2009, 2011, 2012, 2013, 2014 Red Hat, Inc.
+dnl
+dnl This file is part of Cygwin.
+dnl
+dnl This software is a copyrighted work licensed under the terms of the
+dnl Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+dnl details.
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
 AC_PREREQ(2.59)dnl
-AC_INIT(Makefile.in)
+AC_INIT([Cygwin DLL], 0,
+	cygwin@cygwin.com, cygwin, https://cygwin.com)
+AC_CONFIG_SRCDIR(Makefile.in)
 AC_CONFIG_HEADER(config.h)
 AC_CONFIG_AUX_DIR(..)
 

winsup/cygwin/winsup.h

@@ -26,6 +26,11 @@ details. */
 
 #define _NO_W32_PSEUDO_MODIFIERS
 
+/* Newlib's guarding functions more diligently based on their origin, starting
+   since 2013.  To be sure to get everything and the kitchen sink, we have to
+   define _GNU_SOURCE. */
+#define _GNU_SOURCE 1
+
 #include <sys/types.h>
 #include <sys/strace.h>