From d1cef11270cdad06ac82996ad8396715b84e33b7 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Sun, 23 May 2021 13:11:01 +0200
Subject: Small makefile cleanup

---
 Makefile | 46 ++++++++++++++++++++++++----------------------
 1 file changed, 24 insertions(+), 22 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 55c4ade..a16b658 100644
--- a/Makefile
+++ b/Makefile
@@ -2,28 +2,30 @@
 .SUFFIXES:
 
 # Path to the development kit (devkitARM) and the GBA library.
-DEVKITPRO  := /opt/devkitpro
-DEVKITARM  := /opt/devkitpro/devkitARM
-DEVKITBIN  := $(DEVKITARM)/bin
-LIBGBA_DIR := $(DEVKITPRO)/libgba
-LIBGBA_SRC := /opt/devkitpro/libgba/include/
-LIBGBA     := $(LIBGBA_DIR)/lib/libgba.a
-LIBGBA     += $(LIBGBA_DIR)/lib/libfat.a
-LIBGBA     += $(LIBGBA_DIR)/lib/libmm.a
+DEVKITPRO   := /opt/devkitpro
+DEVKITBIN   := $(DEVKITPRO)/devkitARM/bin
+DEVKITTOOLS := $(DEVKITPRO)/tools/bin
+LIBGBA_DIR  := $(DEVKITPRO)/libgba
+LIBGBA_SRC  := $(DEVKITPRO)/libgba/include/
+LIBGBA      := $(LIBGBA_DIR)/lib/libgba.a
+LIBGBA      += $(LIBGBA_DIR)/lib/libfat.a
+LIBGBA      += $(LIBGBA_DIR)/lib/libmm.a
 
 # Source code location and files to watch for changes.
-SRC_DIR        := src
-SRC_MAIN       := $(SRC_DIR)/main.c
-ROM            := $(SRC_DIR)/uxn/roms/boot.c
-ROM_SRC        := $(SRC_DIR)/uxn/roms/dvd.rom
-ASM_FILES      := $(wildcard $(SRC_DIR)/*.s)
-WATCH_SRC      := $(wildcard $(SRC_DIR)/*.c)
-WATCH_SRC      += $(wildcard $(SRC_DIR)/*.h)
-WATCH_SRC      += $(wildcard $(SRC_DIR)/*.s)
+SRC_DIR     := src
+BUILD_DIR   := build
+SRC_MAIN    := $(SRC_DIR)/main.c
+ROM         := $(BUILD_DIR)/rom.c
+ROM_SRC     := $(SRC_DIR)/uxn/roms/dvd.rom
+ASM_FILES   := $(wildcard $(SRC_DIR)/*.s)
+WATCH_SRC   := $(shell find $(SRC_DIRS) -name *.c -or -name *.s -or -name *.h)
+INC_DIRS    := $(shell find $(SRC_DIR) -type d)
+INC_DIRS    += $(BUILD_DIR)
+INC_FLAGS   := $(addprefix -I,$(INC_DIRS))
+INC_FLAGS   += -I$(LIBGBA_SRC)
 
 # Output library names and executables.
 TARGET         := uxngba
-BUILD_DIR      := build
 ELF            := $(BUILD_DIR)/$(TARGET).elf
 BIN            := $(BUILD_DIR)/$(TARGET).gba
 
@@ -32,9 +34,10 @@ CC             := $(DEVKITBIN)/arm-none-eabi-gcc
 OBJCOPY        := $(DEVKITBIN)/arm-none-eabi-objcopy
 ARCH           := -mthumb -mthumb-interwork
 SPECS          := -specs=gba.specs
-CFLAGS         := -Wall -Wextra -pedantic -fno-strict-aliasing -Wno-incompatible-pointer-types
+CFLAGS         := -Wall -Wextra -pedantic -Wno-incompatible-pointer-types
+CFLAGS         += -fno-strict-aliasing
 CFLAGS         += -mcpu=arm7tdmi -mtune=arm7tdmi $(ARCH)
-CFLAGS         += -I$(LIBGBA_SRC)
+CFLAGS         += $(INC_FLAGS)
 LDFLAGS        := $(ARCH) $(SPECS)
 LDLIBS         := $(LIBGBA)
 RELEASE_CFLAGS := -DNDEBUG -O2
@@ -55,13 +58,12 @@ endif
 main: tools $(BUILD_DIR) $(ROM) $(BIN)
 
 $(ROM):
-	./tools/bin2carr/build/bin2carr  -n uxn_rom -e u16 -o $(ROM) \
-		$(ROM_SRC)
+	./tools/bin2carr/build/bin2carr -n uxn_rom -e u16 -o $(ROM) $(ROM_SRC)
 
 # Strip and fix header to create final .gba file.
 $(BIN): $(ELF)
 	$(OBJCOPY) -v -O binary $(ELF) $(BIN)
-	gbafix $(BIN)
+	$(DEVKITTOOLS)/gbafix $(BIN)
 
 # Link files.
 $(ELF): $(SRC_MAIN) $(WATCH_SRC)
-- 
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