[makerom] Changed makefile

Warning-less compiling on OS X

makerom/Makefile

@@ -3,14 +3,27 @@ SRC_DIR = . polarssl libyaml
 OBJS = $(foreach dir,$(SRC_DIR),$(subst .c,.o,$(wildcard $(dir)/*.c)))
 
 # Compiler Settings
-LIBS = -static-libgcc
-CXXFLAGS = -I.
-CFLAGS = --std=c99 -O2 -flto -Wall -Wno-unused-but-set-variable -Wno-unused-value -Wno-unused-result -I. $(MAKEROM_BUILD_FLAGS)
+CFLAGS = --std=c99 -O2 -flto -Wall -Wno-unused-value -Wno-unused-result -I.
 CC = gcc
-CXX = g++
+ifeq ($(OS),Windows_NT)
+    #Windows Build CFG
+    CFLAGS += -Wno-unused-but-set-variable
+    LIBS += -static-libgcc
+else
+    UNAME_S := $(shell uname -s)
+    ifeq ($(UNAME_S),Darwin)
+        # OS X
+        CFLAGS +=
+        LIBS += -liconv
+    else
+        # Linux
+        CFLAGS += -Wno-unused-but-set-variable
+        LIBS +=
+    endif
+endif
+
 
 # MAKEROM Build Settings
-MAKEROM_BUILD_FLAGS = #-DDEBUG
 OUTPUT = makerom
 
 main: build
@@ -18,7 +31,7 @@ main: build
 rebuild: clean build
 
 build: $(OBJS)
-	$(CXX) -o $(OUTPUT) $(LIBS) $(OBJS)
+	$(CC) -o $(OUTPUT) $(LIBS) $(OBJS)
 
 clean:
-	rm -rf $(OUTPUT) $(OBJS) *.cci *.cia *.cxi *.cfa
+	rm -rf $(OUTPUT) $(OBJS)