Support CUSTOM_CFLAGS

src/Makefile

@@ -74,6 +74,8 @@ RAYLIB_CONFIG_FLAGS  ?= NONE
 # Options:  PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB
 PLATFORM             ?= PLATFORM_DESKTOP
 
+# To define additional cflags: Use make CUSTOM_CFLAGS=""
+
 # Include raylib modules on compilation
 # NOTE: Some programs like tools could not require those modules
 RAYLIB_MODULE_AUDIO  ?= TRUE
@@ -275,7 +277,7 @@ endif
 #  -D_DEFAULT_SOURCE        use with -std=c99 on Linux and PLATFORM_WEB, required for timespec
 #  -Werror=pointer-arith    catch unportable code that does direct arithmetic on void pointers
 #  -fno-strict-aliasing     jar_xm.h does shady stuff (breaks strict aliasing)
-CFLAGS = -Wall -D_DEFAULT_SOURCE -D$(PLATFORM) -D$(GRAPHICS) -Wno-missing-braces -Werror=pointer-arith -fno-strict-aliasing
+CFLAGS = -Wall -D_DEFAULT_SOURCE -D$(PLATFORM) -D$(GRAPHICS) -Wno-missing-braces -Werror=pointer-arith -fno-strict-aliasing $(CUSTOM_CFLAGS)
 
 ifneq ($(RAYLIB_CONFIG_FLAGS), NONE)
     CFLAGS += -DEXTERNAL_CONFIG_FLAGS $(RAYLIB_CONFIG_FLAGS)