examples: fix warnings regarding multiple defines

compiling them stand alone still defines the correct definitions

src/examples/eldbus/connect-address.c

@@ -21,8 +21,9 @@
  */
 
 #include <stdlib.h>
-
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
 #include <signal.h>
 
 #include "Eldbus.h"

src/examples/emotion/emotion_basic_example.c

@@ -1,8 +1,12 @@
 //Compile with:
 // gcc -o emotion_basic_example emotion_basic_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eo`
 
-#define EFL_BETA_API_SUPPORT
-#define EFL_EO_API_SUPPORT
+#ifndef EFL_EO_API_SUPPORT
+# define EFL_EO_API_SUPPORT
+#endif
+#ifndef EFL_BETA_API_SUPPORT
+# define EFL_BETA_API_SUPPORT
+#endif
 #include <Eo.h>
 
 #include <Ecore.h>

src/examples/emotion/emotion_border_example.c

@@ -1,8 +1,11 @@
 //Compile with:
 // gcc -o emotion_border_example emotion_border_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eina eo`
-
-#define EFL_EO_API_SUPPORT
-#define EFL_BETA_API_SUPPORT
+#ifndef EFL_EO_API_SUPPORT
+# define EFL_EO_API_SUPPORT
+#endif
+#ifndef EFL_BETA_API_SUPPORT
+# define EFL_BETA_API_SUPPORT
+#endif
 
 #include <Ecore.h>
 #include <Ecore_Evas.h>

src/examples/emotion/emotion_generic_example.c

@@ -1,8 +1,11 @@
 //Compile with:
 // gcc -o emotion_generic_example emotion_generic_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eina eo`
-
-#define EFL_EO_API_SUPPORT
-#define EFL_BETA_API_SUPPORT
+#ifndef EFL_EO_API_SUPPORT
+# define EFL_EO_API_SUPPORT
+#endif
+#ifndef EFL_BETA_API_SUPPORT
+# define EFL_BETA_API_SUPPORT
+#endif
 
 #include <Ecore.h>
 #include <Ecore_Evas.h>

src/examples/emotion/emotion_generic_subtitle_example.c

@@ -1,8 +1,12 @@
 //Compile with:
 // gcc -o emotion_generic_subtitle_example emotion_generic_subtitle_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eo`
 
-#define EFL_EO_API_SUPPORT
-#define EFL_BETA_API_SUPPORT
+#ifndef EFL_EO_API_SUPPORT
+# define EFL_EO_API_SUPPORT
+#endif
+#ifndef EFL_BETA_API_SUPPORT
+# define EFL_BETA_API_SUPPORT
+#endif
 
 #include <Ecore.h>
 #include <Ecore_Evas.h>

src/examples/emotion/emotion_signals_example.c

@@ -1,8 +1,12 @@
 //Compile with:
 // gcc -o emotion_signals_example emotion_signals_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eo`
 
-#define EFL_EO_API_SUPPORT
-#define EFL_BETA_API_SUPPORT
+#ifndef EFL_EO_API_SUPPORT
+# define EFL_EO_API_SUPPORT
+#endif
+#ifndef EFL_BETA_API_SUPPORT
+# define EFL_BETA_API_SUPPORT
+#endif
 
 #include <Ecore.h>
 #include <Ecore_Evas.h>