cmake: fix uses of undefined macro identifiers (-Wundef)

test/checkkeys.c

@@ -284,7 +284,7 @@ int main(int argc, char *argv[])
 
     textwin = SDLTest_TextWindowCreate(0, 0, 640, 480);
 
-#if __IPHONEOS__
+#ifdef __IPHONEOS__
     /* Creating the context creates the view, which we need to show keyboard */
     SDL_GL_CreateContext(window);
 #endif

test/checkkeysthreads.c

@@ -266,7 +266,7 @@ int main(int argc, char *argv[])
     renderer = SDL_CreateRenderer(window, -1, 0);
     SDL_RenderPresent(renderer);
 
-#if __IPHONEOS__
+#ifdef __IPHONEOS__
     /* Creating the context creates the view, which we need to show keyboard */
     SDL_GL_CreateContext(window);
 #endif

test/loopwavequeue.c

@@ -21,7 +21,7 @@
 
 #include "SDL.h"
 
-#if HAVE_SIGNAL_H
+#ifdef HAVE_SIGNAL_H
 #include <signal.h>
 #endif
 
@@ -97,7 +97,7 @@ int main(int argc, char *argv[])
 
     wave.spec.callback = NULL; /* we'll push audio. */
 
-#if HAVE_SIGNAL_H
+#ifdef HAVE_SIGNAL_H
     /* Set the signals */
 #ifdef SIGHUP
     (void)signal(SIGHUP, poked);

test/testaudiohotplug.c

@@ -17,7 +17,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#if HAVE_SIGNAL_H
+#ifdef HAVE_SIGNAL_H
 #include <signal.h>
 #endif
 
@@ -163,7 +163,7 @@ int main(int argc, char *argv[])
         quit(1);
     }
 
-#if HAVE_SIGNAL_H
+#ifdef HAVE_SIGNAL_H
     /* Set the signals */
 #ifdef SIGHUP
     (void)signal(SIGHUP, poked);

test/testautomation_keyboard.c

@@ -464,7 +464,7 @@ int keyboard_setTextInputRect(void *arg)
 int keyboard_setTextInputRectNegative(void *arg)
 {
     /* Some platforms set also an error message; prepare for checking it */
-#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_COCOA
+#if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_ANDROID) || defined(SDL_VIDEO_DRIVER_COCOA)
     const char *expectedError = "Parameter 'rect' is invalid";
     const char *error;
 
@@ -477,7 +477,7 @@ int keyboard_setTextInputRectNegative(void *arg)
     SDLTest_AssertPass("Call to SDL_SetTextInputRect(NULL)");
 
     /* Some platforms set also an error message; so check it */
-#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_COCOA
+#if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_ANDROID) || defined(SDL_VIDEO_DRIVER_COCOA)
     error = SDL_GetError();
     SDLTest_AssertPass("Call to SDL_GetError()");
     SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");

test/testevdev.c

@@ -18,7 +18,7 @@
 
 static int run_test(void);
 
-#if HAVE_LIBUDEV_H || defined(SDL_JOYSTICK_LINUX)
+#if defined(HAVE_LIBUDEV_H) || defined(SDL_JOYSTICK_LINUX)
 
 #include <stdint.h>
 

test/testgl2.c

@@ -40,11 +40,11 @@ static GL_Context ctx;
 
 static int LoadContext(GL_Context *data)
 {
-#if SDL_VIDEO_DRIVER_UIKIT
+#ifdef SDL_VIDEO_DRIVER_UIKIT
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_ANDROID
+#elif defined(SDL_VIDEO_DRIVER_ANDROID)
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_PANDORA
+#elif defined(SDL_VIDEO_DRIVER_PANDORA)
 #define __SDL_NOGETPROCADDR__
 #endif
 

test/testgles2.c

@@ -65,11 +65,11 @@ static GLES2_Context ctx;
 
 static int LoadContext(GLES2_Context *data)
 {
-#if SDL_VIDEO_DRIVER_UIKIT
+#ifdef SDL_VIDEO_DRIVER_UIKIT
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_ANDROID
+#elif defined(SDL_VIDEO_DRIVER_ANDROID)
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_PANDORA
+#elif defined(SDL_VIDEO_DRIVER_PANDORA)
 #define __SDL_NOGETPROCADDR__
 #endif
 
@@ -893,9 +893,9 @@ int main(int argc, char *argv[])
         SDL_Log("%2.2f frames per second\n",
                 ((double)frames * 1000) / (now - then));
     }
-#if !defined(__ANDROID__) && !defined(__NACL__)  
+#if !defined(__ANDROID__) && !defined(__NACL__)
     quit(0);
-#endif    
+#endif
     return 0;
 }
 

test/testgles2_sdf.c

@@ -63,11 +63,11 @@ static GLES2_Context ctx;
 
 static int LoadContext(GLES2_Context *data)
 {
-#if SDL_VIDEO_DRIVER_UIKIT
+#ifdef SDL_VIDEO_DRIVER_UIKIT
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_ANDROID
+#elif defined(SDL_VIDEO_DRIVER_ANDROID)
 #define __SDL_NOGETPROCADDR__
-#elif SDL_VIDEO_DRIVER_PANDORA
+#elif defined(SDL_VIDEO_DRIVER_PANDORA)
 #define __SDL_NOGETPROCADDR__
 #endif
 

test/testime.c

@@ -29,7 +29,7 @@
 #ifdef HAVE_SDL_TTF
 #ifdef __MACOSX__
 #define DEFAULT_FONT "/System/Library/Fonts/华文细黑.ttf"
-#elif __WIN32__
+#elif defined(__WIN32__)
 /* Some japanese font present on at least Windows 8.1. */
 #define DEFAULT_FONT "C:\\Windows\\Fonts\\yugothic.ttf"
 #else