Move feature macro before "config.h" include

This allows to use header includes in "config.h" to reduce the build
configuration checks.

Update #3818.

testsuites/psxtests/psxclassic01/init.c

@@ -13,12 +13,12 @@
  *  http://www.rtems.org/license/LICENSE.
  */
 
+#define _GNU_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _GNU_SOURCE
-
 #include <stdio.h>
 #include <rtems.h>
 #include <pthread.h>

testsuites/psxtests/psxconfig01/init.c

@@ -21,12 +21,12 @@
  * http://www.rtems.org/license/LICENSE.
  */
 
+#define _GNU_SOURCE
+
 #ifdef HAVE_CONFIG_H
   #include "config.h"
 #endif
 
-#define _GNU_SOURCE
-
 #include <rtems/test.h>
 #include <tmacros.h>
 

testsuites/psxtests/psxdevctl01/test.c

@@ -13,11 +13,12 @@
  *  http://www.rtems.org/license/LICENSE.
  */
 
+#define _POSIX_26_C_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_26_C_SOURCE
 #include "tmacros.h"
 #include <errno.h>
 #include <sys/ioctl.h>

testsuites/psxtests/psxgetattrnp01/init.c

@@ -7,11 +7,12 @@
  *  http://www.rtems.org/license/LICENSE.
  */
 
+#define _GNU_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _GNU_SOURCE
 #include <tmacros.h>
 #include <errno.h>
 #include <sched.h>

testsuites/psxtests/psxhdrs/devctl/posix_devctl.c

@@ -7,12 +7,12 @@
  *  http://www.rtems.org/license/LICENSE.
  */
 
+#define _POSIX_26_C_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_26_C_SOURCE
-
 #include <devctl.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/ftw/ftw.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <ftw.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/ftw/nftw.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <ftw.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/math/y0l.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
 #include <math.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/math/y1.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <math.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/math/y1l.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
 #include <math.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdio/getdelim.c

@@ -29,11 +29,13 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
+
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
 #include <stdio.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdio/getline.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
 #include <stdio.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdio/renameat.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
 #include <stdio.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/getsubopt.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/grantpt.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/posix_openpt.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 600
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 600
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/ptsname.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/setkey.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/stdlib/unlockpt.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE 500
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE 500
 #include <stdlib.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/strings/strcasecmp_l.c

@@ -30,12 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_C_SOURCE 200809L
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _POSIX_C_SOURCE 200809L
-
 #include <strings.h>
 #include <locale.h>
 

testsuites/psxtests/psxhdrs/sys/msg/msgctl.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE
 #include <sys/msg.h> 
 
 int test( void );

testsuites/psxtests/psxhdrs/sys/msg/msgget.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE
 #include <sys/msg.h>
 
 int test( void );

testsuites/psxtests/psxhdrs/ucontext/makecontext.c

@@ -30,16 +30,17 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE_EXTENDED 1
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define STACK_SIZE (1<<15) // 32KiB
-
-#define _XOPEN_SOURCE_EXTENDED 1
 #include <ucontext.h>
 #include <stdlib.h>
 
+#define STACK_SIZE (1<<15) // 32KiB
+
 int test( void );
 void func( void );
 

testsuites/psxtests/psxhdrs/ucontext/setcontext.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE_EXTENDED 1
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE_EXTENDED 1
 #include <ucontext.h>
 
 int return_value = 0;

testsuites/psxtests/psxhdrs/wchar/wcswidth.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE
 #include <wchar.h>
 
 int test(void);

testsuites/psxtests/psxhdrs/wchar/wcwidth.c

@@ -30,11 +30,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _XOPEN_SOURCE
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define _XOPEN_SOURCE
 #include <wchar.h>
 
 int test(void);

testsuites/psxtests/psxthreadname01/init.c

@@ -12,11 +12,12 @@
  * http://www.rtems.org/license/LICENSE.
  */
 
+#define _GNU_SOURCE
+
 #ifdef HAVE_CONFIG_H
-  #include "config.h"
+#include "config.h"
 #endif
 
-#define _GNU_SOURCE
 #include <errno.h>
 #include <pthread.h>
 #include <string.h>

testsuites/sptests/spscheduler01/init.c

@@ -12,12 +12,12 @@
  * http://www.rtems.org/license/LICENSE.
  */
 
-#ifdef HAVE_CONFIG_H
-  #include "config.h"
-#endif
-
 #define _GNU_SOURCE
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <rtems.h>
 #include <rtems/libcsupport.h>