configure.ac: always define _GNU_SOURCE on Linux

Make sure glibc gives us all features.

configure.ac: always define _GNU_SOURCE on Linux
7d353bbe · Max Kellermann · 5696f91a · 7d353bbe · 7d353bbe · 7d353bbe
Commit 7d353bbe authored Mar 15, 2014 by Max Kellermann
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Showing with 3 additions and 13 deletions

configure.ac configure.ac +3 -0

ServerSocket.cxx src/event/ServerSocket.cxx +0 -5

fd_util.c src/system/fd_util.c +0 -4

fd_util.h src/system/fd_util.h +0 -4

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--- a/configure.ac
+++ b/configure.ac
@@ -90,6 +90,9 @@ linux-android*)
 linux*)
 	host_is_linux=yes
 	linux_auto=auto
+
+	dnl allow using all glibc features
+	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 	;;

 mingw32* | windows*)

--- a/src/event/ServerSocket.cxx
+++ b/src/event/ServerSocket.cxx
@@ -18,11 +18,6 @@
 */

 #include "config.h"
-
-#ifdef HAVE_STRUCT_UCRED
-#define _GNU_SOURCE 1
-#endif
-
 #include "ServerSocket.hxx"
 #include "system/SocketUtil.hxx"
 #include "system/SocketError.hxx"

--- a/src/system/fd_util.c
+++ b/src/system/fd_util.c
@@ -29,10 +29,6 @@
 #include "config.h" /* must be first for large file support */
 #include "fd_util.h"

-#if !defined(_GNU_SOURCE) && (defined(HAVE_PIPE2) || defined(HAVE_ACCEPT4))
-#define _GNU_SOURCE
-#endif
-
 #include <assert.h>
 #include <unistd.h>
 #include <fcntl.h>

--- a/src/system/fd_util.h
+++ b/src/system/fd_util.h
@@ -42,10 +42,6 @@
 #include <stddef.h>

 #ifndef WIN32
-#if !defined(_GNU_SOURCE) && (defined(HAVE_PIPE2) || defined(HAVE_ACCEPT4))
-#define _GNU_SOURCE
-#endif
-
 #include <sys/types.h>
 #endif