File fix-gcc15.patch of Package wrath-darkplaces

diff --git a/dpsoftrast.c b/dpsoftrast.c
index 770a395..fe0c526 100644
--- a/dpsoftrast.c
+++ b/dpsoftrast.c
@@ -1,5 +1,7 @@
 #include <stdio.h>
 #include <string.h>
+#define __USE_XOPEN
+#define __USE_MISC
 #define _USE_MATH_DEFINES
 #include <math.h>
 #include "quakedef.h"
diff --git a/makefile.inc b/makefile.inc
index ef2163a..94593f0 100644
--- a/makefile.inc
+++ b/makefile.inc
@@ -174,7 +174,7 @@ OBJ_SDL= builddate.c sys_sdl.o vid_sdl.o thread_sdl.o $(OBJ_MENU) $(OBJ_SND_COMM
 
 
 # Compilation
-CFLAGS_COMMON=$(CFLAGS_MAKEDEP) $(CFLAGS_PRELOAD) $(CFLAGS_FS) $(CFLAGS_WARNINGS) $(CFLAGS_LIBZ) $(CFLAGS_LIBJPEG) $(CFLAGS_D3D) -D_FILE_OFFSET_BITS=64 -D__KERNEL_STRICT_NAMES -I../../../
+CFLAGS_COMMON=-std=c11 $(CFLAGS_MAKEDEP) $(CFLAGS_PRELOAD) $(CFLAGS_FS) $(CFLAGS_WARNINGS) $(CFLAGS_LIBZ) $(CFLAGS_LIBJPEG) $(CFLAGS_D3D) -D_FILE_OFFSET_BITS=64 -D__KERNEL_STRICT_NAMES -I../../../
 CFLAGS_CLIENT=-DCONFIG_MENU -DCONFIG_CD $(CFLAGS_VIDEO_CAPTURE)
 CFLAGS_SERVER=
 CFLAGS_DEBUG=-ggdb
diff --git a/quakedef.h b/quakedef.h
index 64204b4..9792b88 100644
--- a/quakedef.h
+++ b/quakedef.h
@@ -36,6 +36,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <ctype.h>
 #include <math.h>
 #include <string.h>
+#include <strings.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sys_shared.c b/sys_shared.c
index 35044b1..5d1d07f 100644
--- a/sys_shared.c
+++ b/sys_shared.c
@@ -17,6 +17,7 @@
 #pragma comment(lib, "winmm.lib")
 #endif
 #else
+#define __USE_XOPEN_EXTENDED
 # include <unistd.h>
 # include <fcntl.h>
 # include <sys/time.h>