Reorganize external libraries - BREAKING CHANGE -

Moved all external libraries used by raylib to external folder inside
raylib src. Makefile has already been update and also the different
includes in raylib modules.

src/Makefile

@@ -81,14 +81,14 @@ CFLAGS = -O1 -Wall -std=gnu99 -fgnu89-inline -Wno-missing-braces
 
 # define any directories containing required header files
 ifeq ($(PLATFORM),PLATFORM_RPI)
-    INCLUDES = -I. -I/opt/vc/include -I/opt/vc/include/interface/vmcs_host/linux -I/opt/vc/include/interface/vcos/pthreads
+    INCLUDES = -I. -Iexternal -I/opt/vc/include -I/opt/vc/include/interface/vmcs_host/linux -I/opt/vc/include/interface/vcos/pthreads
 else
-    INCLUDES = -I. -I../src
-# external libraries headers
-# GLFW3
-    INCLUDES += -I../external/glfw3/include
-# OpenAL Soft
-    INCLUDES += -I../external/openal_soft/include
+# STB libraries and others
+    INCLUDES = -I. -Iexternal
+# GLFW3 library
+    INCLUDES += -Iexternal/glfw3/include
+# OpenAL Soft library
+    INCLUDES += -Iexternal/openal_soft/include
 endif
 
 # define all object files required
@@ -121,10 +121,6 @@ core.o: core.c
 rlgl.o: rlgl.c
 	$(CC) -c rlgl.c $(CFLAGS) $(INCLUDES) -D$(PLATFORM) -D$(GRAPHICS)
 
-# compile glad module
-glad.o: glad.c
-	$(CC) -c glad.c $(CFLAGS) $(INCLUDES)
-
 # compile shapes module
 shapes.o: shapes.c
 	$(CC) -c shapes.c $(CFLAGS) $(INCLUDES) -D$(PLATFORM) -D$(GRAPHICS)
@@ -145,10 +141,6 @@ models.o: models.c
 audio.o: audio.c
 	$(CC) -c audio.c $(CFLAGS) $(INCLUDES) -D$(PLATFORM)
 
-# compile stb_vorbis library
-stb_vorbis.o: stb_vorbis.c
-	$(CC) -c stb_vorbis.c -O1 $(INCLUDES) -D$(PLATFORM)
-
 # compile utils module
 utils.o: utils.c
 	$(CC) -c utils.c $(CFLAGS) $(INCLUDES) -D$(PLATFORM)
@@ -161,6 +153,14 @@ camera.o: camera.c
 gestures.o: gestures.c
 	$(CC) -c gestures.c $(CFLAGS) $(INCLUDES) -D$(PLATFORM)
 
+# compile glad module
+glad.o: external/glad.c
+	$(CC) -c external/glad.c $(CFLAGS) $(INCLUDES)
+
+# compile stb_vorbis library
+stb_vorbis.o: external/stb_vorbis.c
+	$(CC) -c external/stb_vorbis.c -O1 $(INCLUDES) -D$(PLATFORM)
+
 # clean everything
 clean:
 ifeq ($(PLATFORM),PLATFORM_DESKTOP)

src/audio.c

@@ -51,13 +51,13 @@
 #endif
 
 //#define STB_VORBIS_HEADER_ONLY
-#include "stb_vorbis.h"         // OGG loading functions
+#include "external/stb_vorbis.h"    // OGG loading functions
 
 #define JAR_XM_IMPLEMENTATION
-#include "jar_xm.h"             // XM loading functions
+#include "external/jar_xm.h"        // XM loading functions
 
 #define JAR_MOD_IMPLEMENTATION
-#include "jar_mod.h"            // MOD loading functions
+#include "external/jar_mod.h"       // MOD loading functions
 
 //----------------------------------------------------------------------------------
 // Defines and Macros

src/core.c

@@ -55,11 +55,11 @@
 #include <errno.h>          // Macros for reporting and retrieving error conditions through error codes
 
 #if defined(PLATFORM_OCULUS)
-    #define PLATFORM_DESKTOP    // Enable PLATFORM_DESKTOP code-base
+    #define PLATFORM_DESKTOP      // Enable PLATFORM_DESKTOP code-base
 #endif
 
 #if defined(PLATFORM_DESKTOP)
-    #include "glad.h"           // GLAD library: Manage OpenGL headers and extensions
+    #include "external/glad.h"    // GLAD library: Manage OpenGL headers and extensions
 #endif
 
 #if defined(PLATFORM_OCULUS)

src/rlgl.c

@@ -48,7 +48,7 @@
     #ifdef __APPLE__ 
         #include <OpenGL/gl3.h>     // OpenGL 3 library for OSX
     #else
-        #include "glad.h"           // GLAD library, includes OpenGL headers
+        #include "external/glad.h"  // GLAD library, includes OpenGL headers
     #endif
 #endif
 

src/text.c

@@ -34,7 +34,7 @@
 
 // Following libs are used on LoadTTF()
 #define STB_TRUETYPE_IMPLEMENTATION
-#include "stb_truetype.h"   // Required for: stbtt_BakeFontBitmap()
+#include "external/stb_truetype.h"   // Required for: stbtt_BakeFontBitmap()
 
 // Rectangle packing functions (not used at the moment)
 //#define STB_RECT_PACK_IMPLEMENTATION

src/textures.c

@@ -40,12 +40,12 @@
                                 // NOTE: Includes Android fopen function map
 
 #define STB_IMAGE_IMPLEMENTATION
-#include "stb_image.h"          // Required for: stbi_load()
+#include "external/stb_image.h" // Required for: stbi_load()
                                 // NOTE: Used to read image data (multiple formats support)
 
 #define STB_IMAGE_RESIZE_IMPLEMENTATION
-#include "stb_image_resize.h"   // Required for: stbir_resize_uint8() 
-                                // NOTE: Used for image scaling on ImageResize()
+#include "external/stb_image_resize.h"  // Required for: stbir_resize_uint8() 
+                                        // NOTE: Used for image scaling on ImageResize()
 
 //----------------------------------------------------------------------------------
 // Defines and Macros

src/utils.c

@@ -42,10 +42,11 @@
 
 #if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
     #define STB_IMAGE_WRITE_IMPLEMENTATION
-    #include "stb_image_write.h"    // Required for: stbi_write_png()
+    #include "external/stb_image_write.h"    // Required for: stbi_write_png()
 #endif
 
-#include "tinfl.c"
+#include "external/tinfl.c"         // Required for: tinfl_decompress_mem_to_mem()
+                                    // NOTE: Deflate algorythm data decompression
 
 //----------------------------------------------------------------------------------
 // Global Variables Definition