Add test for X11

Source/CMakeLists.txt

@@ -147,6 +147,11 @@ IF(BUILD_TESTING)
       ${CMake_BINARY_DIR}/Tests/COnly 
       conly)
 
+    ADD_TEST(X11 ${CMake_BINARY_DIR}/Source/cmaketest 
+      ${CMake_SOURCE_DIR}/Tests/X11
+      ${CMake_BINARY_DIR}/Tests/X11 
+      X11)
+
     ADD_TEST(LoadedCommand ${CMake_BINARY_DIR}/Source/cmaketest 
       ${CMake_SOURCE_DIR}/Tests/LoadCommand 
       ${CMake_BINARY_DIR}/Tests/LoadCommand 

Tests/X11/CMakeLists.txt

@@ -0,0 +1,11 @@
+# a simple C only test case
+PROJECT (X11 C)
+
+INCLUDE (${CMAKE_ROOT}/Modules/FindX11.cmake)
+
+IF(CMAKE_HAS_X)
+  INCLUDE_DIRECTORIES(${CMAKE_X_CFLAGS})
+
+  ADD_EXECUTABLE (X11 X11.c)
+  TARGET_LINK_LIBRARIES(X11 ${CMAKE_X_LIBS})
+ENDIF(CMAKE_HAS_X)

Tests/X11/X11.c

@@ -0,0 +1,38 @@
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+char hello[]="hello.world";
+char hi[]="Hi";
+
+main(argc, argv)
+int argc;
+char **argv;
+{
+  Display *mydisplay;
+  Window  mywindow;
+  GC mygc;
+
+  XEvent myevent;
+  KeySym mykey;
+
+  XSizeHints myhint;
+  int myscreen;
+  unsigned long myforeground, mybackground;
+  int i;
+  char text[10];
+  int done;
+
+  mydisplay=XOpenDisplay("");
+  myscreen=DefaultScreen(mydisplay);
+  myforeground=BlackPixel(mydisplay, myscreen);
+
+  mywindow=XCreateSimpleWindow(mydisplay,
+                               DefaultRootWindow(mydisplay),
+                               myhint.x, myhint.y, myhint.width, myhint.height, 5,
+                               myforeground, mybackground );
+  XDestroyWindow(mydisplay, mywindow);
+  XCloseDisplay(mydisplay);
+  exit(0);
+}
+
+