Replace XOPEN with AC_USE_SYSTEM_EXTENSIONS

adat/adat.c

@@ -21,8 +21,6 @@
 //   License along with this library; if not, write to the Free Software
 //   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #  include "config.h"
 #endif

aor/ar3030.c

@@ -18,8 +18,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

barrett/barrett.c

@@ -18,8 +18,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #  include "config.h"
 #endif

configure.ac

@@ -27,6 +27,8 @@ AC_CONFIG_HEADERS([include/config.h])
 dnl Place build system provided programs in this directory.
 AC_CONFIG_AUX_DIR([build-aux])
 
+AC_USE_SYSTEM_EXTENSIONS
+
 
 ## ------------------------ ##
 ## Automake Initialisation. ##
@@ -299,6 +301,7 @@ AS_CASE(["$host_os"],
 
 dnl Check if C99 struct initializers are supported
 AC_MSG_CHECKING([whether C99 struct/array initializers are supported])
+
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],
                   [[struct{char a;int b;}s[8]={[3]={.b=5}};]])],
                   [AC_MSG_RESULT(yes)],
@@ -307,7 +310,6 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],
 "Have you considered GCC lately?."])
                   ])
 
-
 dnl Check for libusb, treat LIBUSB_LIBS and LIBUSB_CFLAGS as precious variables
 AC_MSG_CHECKING([whether to build USB dependent backends])
 AC_ARG_WITH([libusb],

dummy/dummy.c

@@ -19,8 +19,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

dummy/flrig.c

@@ -19,8 +19,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 500
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

elad/elad.c

@@ -21,8 +21,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

icom/optoscan.c

@@ -18,8 +18,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

kenwood/kenwood.c

@@ -20,8 +20,6 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

pcr/pcr.c

@@ -28,8 +28,6 @@
  * (403) PCR1500 fw 2.0, proto 2.0 (usb) by KM3T
  *
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

tentec/orion.c

@@ -65,8 +65,6 @@
  * This backend supports the Ten-Tec Orion (565) and Orion II (566) transceivers.
  * \n This backend tested mostly with firmware versions 1.372 and 2.062a
  */
-#define _XOPEN_SOURCE 600
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif