Simplify building for release

Makefile

@@ -15,30 +15,30 @@ else
 endif
 
 ifneq ($(PLATFORM),)
-	DIR_SUFFIX = -$(PLATFORM)
+	PLAT_SUFFIX = -$(PLATFORM)
 endif
 
 
 CC = $(CROSS_COMPILE)gcc
 LD = $(CC)
-PFLAGS += -g
-#PFLAGS += -O3 -s
-#PFLAGS += -DSTANDALONE
-#PFLAGS += -DDEBUG_MAPPER
-#PFLAGS += -DDEBUG_RENDER
-#PFLAGS += -DDEBUG_PPU -DDEBUG_VRAM -DDEBUG_OAM
-#PFLAGS += -DDEBUG_APU
-#PFLAGS += -DDEBUG_INPUT
-#PFLAGS += -DE6502_DEBUG
-PFLAGS += -DE6502_ILLEGAL
+RFLAGS += -O3 -s
+RFLAGS += -DSTANDALONE
+DFLAGS += -g
+#DFLAGS += -DDEBUG_MAPPER
+#DFLAGS += -DDEBUG_RENDER
+#DFLAGS += -DDEBUG_PPU -DDEBUG_VRAM -DDEBUG_OAM
+#DFLAGS += -DDEBUG_APU
+#DFLAGS += -DDEBUG_INPUT
+#DFLAGS += -DE6502_DEBUG
+CFLAGS += -DE6502_ILLEGAL
 CFLAGS += $(PFLAGS) -Wall -Werror -Wshadow -Wunused -I../ -Isrc/
 CFLAGS += -Iinc/$(PLATFORM)/SDL2
 LDFLAGS += $(PFLAGS)
 LDFLAGS += -Llib/$(PLATFORM)
 
-OBJDIR = obj$(DIR_SUFFIX)
+OBJDIR = obj$(PLAT_SUFFIX)
 SRCDIR = src
-BINDIR = bin$(DIR_SUFFIX)
+BINDIR = bin$(PLAT_SUFFIX)
 
 
 # nese
@@ -70,7 +70,11 @@ SRCS_1 += $(EXT_SRCS_1)
 OBJS_1 = $(SRCS_1:%.c=$(OBJDIR)/%.o)
 
 
-all: $(BINDIR)/$(TARGET_1)
+all: debug
+
+debug: EFLAGS=$(DFLAGS)
+release: EFLAGS=$(RFLAGS)
+debug release: $(BINDIR)/$(TARGET_1)
 
 clean: ; rm -rf obj*/ bin*/
 
@@ -80,4 +84,6 @@ $(BINDIR)/$(TARGET_1): $(OBJS_1)
 
 $(OBJDIR)/%.o: %.c
 	@mkdir -p $(@D)
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(EFLAGS) $(CFLAGS) -c $< -o $@
+
+.PHONY: all debug release clean