In process of migrating to ANSI C.

Makefile

@@ -12,18 +12,19 @@ else
 	endif
 endif
 
-CC = clang++
+CC = clang
 
 UFLAGS =
-FLAGS = -Wall -Wextra -ggdb -fno-caret-diagnostics -fno-show-column -Wno-missing-field-initializers -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-unused-but-set-variable
-		#-std=c99 -pedantic
+FLAGS = -ansi -D_POSIX_C_SOURCE=200809L -pedantic -pedantic-errors -Wall -Wextra -fno-caret-diagnostics -fno-show-column -Wno-missing-field-initializers -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-unused-but-set-variable
+		# -pedantic-errors
 
 ifeq ($(DETECTED_OS),macos)
+	UFLAGS = -gldb
 	INCLUDE = -I./sdl/include/ 
 	LIBS = ./sdl/lib/arm-macos/libSDL2.a -lm
 	FRAMEWORKS = -framework Cocoa -framework IOKit -framework CoreAudio -framework AudioToolbox -framework ForceFeedback -framework Carbon -framework GameController -framework Metal -framework QuartzCore -framework CoreHaptics
-
 else ifeq ($(DETECTED_OS),linux)
+	UFLAGS = -ggdb
 	INCLUDE = -I./sdl/include/
 	LIBS = ./sdl/lib/x86_64-linux/libSDL2.a -lm -lX11
 	FRAMEWORKS = 
@@ -41,11 +42,11 @@ EXE=handmadehero
 
 default: libhandmade $(EXE)
 
-libhandmade: handmade.cpp
+libhandmade: handmade.c
 	@ $(CC) $(FLAGS) $(UFLAGS) -fPIC -shared $(INCLUDE) $^ $(LIBS) $(FRAMEWORKS) -o libhandmade.so
 
-$(EXE): sdl_handmade.cpp libhandmade
-	@ $(CC) $(FLAGS) $(UFLAGS) $(INCLUDE) sdl_handmade.cpp $(LIBS) $(FRAMEWORKS) -o $@
+$(EXE): sdl_handmade.c libhandmade
+	@ $(CC) $(FLAGS) $(UFLAGS) $(INCLUDE) sdl_handmade.c $(LIBS) $(FRAMEWORKS) -o $@
 
 run:
 	./$(EXE)