Support externally provided compilation flags

Useful in case raylib compilation want to be automated and compilation config flags provided by command line.

src/audio.c

@@ -74,8 +74,11 @@
     #include "audio.h"
     #include <stdarg.h>         // Required for: va_list, va_start(), vfprintf(), va_end()
 #else
-    #include "config.h"         // Defines module configuration flags
     #include "raylib.h"         // Declares module functions
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
     #include "utils.h"          // Required for: fopen() Android mapping
 #endif
 

src/core.c

@@ -87,9 +87,13 @@
 *
 **********************************************************************************************/
 
-#include "config.h"             // Defines module configuration flags
 #include "raylib.h"             // Declares module functions
 
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
+
 #if (defined(__linux__) || defined(PLATFORM_WEB)) && _POSIX_C_SOURCE < 199309L
     #undef _POSIX_C_SOURCE
     #define _POSIX_C_SOURCE 199309L // Required for CLOCK_MONOTONIC if compiled with c99 without gnu ext.

src/models.c

@@ -36,9 +36,13 @@
 *
 **********************************************************************************************/
 
-#include "config.h"         // Defines module configuration flags
 #include "raylib.h"         // Declares module functions
 
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
+
 #include "utils.h"          // Required for: fopen() Android mapping
 
 #include <stdio.h>          // Required for: FILE, fopen(), fclose(), fscanf(), feof(), rewind(), fgets()

src/shapes.c

@@ -33,9 +33,13 @@
 *
 **********************************************************************************************/
 
-#include "config.h"     // Defines module configuration flags
 #include "raylib.h"     // Declares module functions
 
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
+
 #include "rlgl.h"       // raylib OpenGL abstraction layer to OpenGL 1.1, 2.1, 3.3+ or ES2
 
 #include <stdlib.h>     // Required for: abs(), fabs()

src/text.c

@@ -36,9 +36,13 @@
 *
 **********************************************************************************************/
 
-#include "config.h"         // Defines module configuration flags
 #include "raylib.h"         // Declares module functions
 
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
+
 #include <stdlib.h>         // Required for: malloc(), free()
 #include <string.h>         // Required for: strlen()
 #include <stdarg.h>         // Required for: va_list, va_start(), vfprintf(), va_end()

src/textures.c

@@ -56,9 +56,13 @@
 *
 **********************************************************************************************/
 
-#include "config.h"             // Defines module configuration flags
 #include "raylib.h"             // Declares module functions
 
+// Check if config flags have been externally provided on compilation line
+#if !defined(EXTERNAL_CONFIG_FLAGS)
+    #include "config.h"         // Defines module configuration flags
+#endif
+
 #include <stdlib.h>             // Required for: malloc(), free()
 #include <string.h>             // Required for: strlen()