Restructure and refactor makefiles

- Allow rebuilds without rebuilding everything By detecting changes everywhere that matters (flags, objects and headers). - Add progress bar - Fully clean everything when clean goal is used
2025-12-31 14:19:56 +02:00
parent 800bec2ec2
commit 1de3206e79
7 changed files with 192 additions and 150 deletions
--- a/102
+++ b/102
@@ -14,6 +14,7 @@ include ./Versions.inc

 TARGET := hekate
 BUILDDIR := build
+BUILDTDIR := build/$(TARGET)
 OUTPUTDIR := output
 SOURCEDIR = bootloader
 BDKDIR := bdk
@@ -21,42 +22,33 @@ BDKINC := -I./$(BDKDIR)
 VPATH = $(dir ./$(SOURCEDIR)/) $(dir $(wildcard ./$(SOURCEDIR)/*/)) $(dir $(wildcard ./$(SOURCEDIR)/*/*/))
 VPATH += $(dir $(wildcard ./$(BDKDIR)/)) $(dir $(wildcard ./$(BDKDIR)/*/)) $(dir $(wildcard ./$(BDKDIR)/*/*/))

+# Track compiler flags
+TRACK_CFLAGS = $(BUILDTDIR)/.cflags
+TRACK_LDFLAGS = $(BUILDTDIR)/.ldflags
+
 # Main and graphics.
-OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	start.o exception_handlers.o \
-	main.o heap.o \
-	gfx.o logos.o tui.o \
-	l4t.o fe_info.o fe_tools.o \
-)
+OBJS =  start exception_handlers main heap gfx logos tui fe_info fe_tools

 # Hardware.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	bpmp.o ccplex.o clock.o di.o i2c.o irq.o timer.o \
-	mc.o sdram.o minerva.o \
-	gpio.o pinmux.o pmc.o se.o smmu.o tsec.o uart.o \
-	fuse.o kfuse.o \
-	sdmmc.o sdmmc_driver.o emmc.o sd.o emummc.o \
-	bq24193.o max17050.o max7762x.o max77620-rtc.o \
-	hw_init.o \
-)
+OBJS += bpmp ccplex clock di i2c irq timer \
+		mc sdram minerva smmu \
+		gpio pinmux pmc se tsec uart \
+		fuse kfuse \
+		sdmmc sdmmc_driver emmc sd emummc \
+		bq24193 max17050 max7762x max77620-rtc \
+		hw_init

 # Utilities.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	btn.o dirlist.o ianos.o util.o \
-	config.o ini.o \
-)
+OBJS += btn dirlist ianos ini util config

-# Horizon.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	hos.o hos_config.o pkg1.o pkg2.o pkg3.o pkg2_ini_kippatch.o secmon_exo.o \
-)
+# OS loaders.
+OBJS += l4t hos hos_config pkg1 pkg2 pkg3 pkg2_ini_kippatch secmon_exo

 # Libraries.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	lz.o lz4.o blz.o \
-	diskio.o ff.o ffunicode.o ffsystem.o \
-	elfload.o elfreloc_arm.o \
-)
+OBJS += lz lz4 blz diskio ff ffunicode ffsystem elfload elfreloc_arm
+
+OBJS := $(addsuffix .o, $(OBJS))
+OBJS := $(addprefix $(BUILDTDIR)/, $(OBJS))

 GFX_INC   := '"../$(SOURCEDIR)/gfx/gfx.h"'
 FFCFG_INC := '"../$(SOURCEDIR)/libs/fatfs/ffconf.h"'
@@ -94,9 +86,17 @@ TOOLSLZ := $(wildcard tools/lz)
 TOOLSB2C := $(wildcard tools/bin2c)
 TOOLS := $(TOOLSLZ) $(TOOLSB2C)

+ifndef IPLECHO
+T := $(shell $(MAKE) $(BUILDTDIR)/$(TARGET).elf --no-print-directory -nrRf $(firstword $(MAKEFILE_LIST)) IPLECHO="IPLOBJ" | grep -c "IPLOBJ")
+
+N := x
+C = $(words $N)$(eval N := x $N)
+IPLECHO = echo -ne "\r`expr "  [\`expr $C '*' 100 / $T\`" : '.*\(....\)$$'`%]\033[K"
+endif
+
 ################################################################################

-.PHONY: all clean $(MODULEDIRS) $(NYXDIR) $(LDRDIR) $(TOOLS)
+.PHONY: all clean $(LDRDIR) $(TOOLS) $(NYXDIR) $(MODULEDIRS)

 all: $(TARGET).bin $(LDRDIR)
 	@printf ICTC49 >> $(OUTPUTDIR)/$(TARGET).bin
@@ -113,17 +113,18 @@ all: $(TARGET).bin $(LDRDIR)
 	@echo "--------------------------------------"

 clean: $(TOOLS)
-	@rm -rf $(OBJS)
 	@rm -rf $(BUILDDIR)
 	@rm -rf $(OUTPUTDIR)
+	@$(MAKE) --no-print-directory -C $(LDRDIR) $(MAKECMDGOALS) -$(MAKEFLAGS)

-$(MODULEDIRS):
+$(MODULEDIRS): $(BUILDTDIR)/$(TARGET).elf
 	@$(MAKE) --no-print-directory -C $@ $(MAKECMDGOALS) -$(MAKEFLAGS)

-$(NYXDIR):
+$(NYXDIR): $(BUILDTDIR)/$(TARGET).elf $(MODULEDIRS)
+	@echo --------------------------------------
 	@$(MAKE) --no-print-directory -C $@ $(MAKECMDGOALS) -$(MAKEFLAGS)

-$(LDRDIR): $(TARGET).bin
+$(LDRDIR): $(TARGET).bin $(TOOLS) $(NYXDIR) $(MODULEDIRS)
 	@$(TOOLSLZ)/lz77 $(OUTPUTDIR)/$(TARGET).bin
 	@mv $(OUTPUTDIR)/$(TARGET).bin $(OUTPUTDIR)/$(TARGET)_unc.bin
 	@mv $(OUTPUTDIR)/$(TARGET).bin.00.lz payload_00
@@ -137,24 +138,31 @@ $(LDRDIR): $(TARGET).bin
 $(TOOLS):
 	@$(MAKE) --no-print-directory -C $@ $(MAKECMDGOALS) -$(MAKEFLAGS)

-$(TARGET).bin: $(BUILDDIR)/$(TARGET)/$(TARGET).elf $(MODULEDIRS) $(NYXDIR) $(TOOLS)
+$(TARGET).bin: $(BUILDTDIR)/$(TARGET).elf
 	@$(OBJCOPY) -S -O binary $< $(OUTPUTDIR)/$@
+	@echo --------------------------------------

-$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
-	@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $^ -o $@
-	@printf "$(TARGET) was built with the following flags:\nCFLAGS:  $(CFLAGS)\nLDFLAGS: $(LDFLAGS)\n"
+$(BUILDTDIR)/$(TARGET).elf: $(OBJS) $(TRACK_LDFLAGS)
+	@echo -ne "\r[100%] Linking $(TARGET).elf\033[K"
+	@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $(OBJS) -o $@
+	@printf "\n$(TARGET) was built with the following flags:\nCFLAGS:  $(CFLAGS)\nLDFLAGS: $(LDFLAGS)\n"

-$(BUILDDIR)/$(TARGET)/%.o: %.c
-	@echo Building $@
-	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
+$(BUILDTDIR)/%.o: %.c $(TRACK_CFLAGS) | $(BUILDTDIR)
+	@$(IPLECHO) Building $@
+	@$(CC) $(CFLAGS) $(BDKINC) -MMD -MP -c $< -o $@

-$(BUILDDIR)/$(TARGET)/%.o: %.S
-	@echo Building $@
-	@$(CC) $(CFLAGS) -c $< -o $@
+$(BUILDTDIR)/%.o: %.S $(TRACK_CFLAGS) | $(BUILDTDIR)
+	@$(IPLECHO) Building $@
+	@$(CC) $(CFLAGS) -MMD -MP -c $< -o $@

-$(OBJS): $(BUILDDIR)/$(TARGET)
-
-$(BUILDDIR)/$(TARGET):
+$(BUILDTDIR):
 	@mkdir -p "$(BUILDDIR)"
-	@mkdir -p "$(BUILDDIR)/$(TARGET)"
+	@mkdir -p "$(BUILDTDIR)"
 	@mkdir -p "$(OUTPUTDIR)"
+
+# Non objects change detectors.
+$(TRACK_CFLAGS): $(BUILDTDIR)
+	@echo '$(CFLAGS)' | cmp -s - $@ || echo '$(CFLAGS)' > $@
+$(TRACK_LDFLAGS): $(BUILDTDIR)
+	@echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+-include $(OBJS:.o=.d)
--- a/loader/Makefile
+++ b/loader/Makefile
@@ -13,14 +13,14 @@ include ../Versions.inc
 ################################################################################

 TARGET := loader
-BUILDDIR := ../build
+BUILDDIR := ../build/$(TARGET)
 OUTPUTDIR := ../output
 BDKDIR := bdk
 BDKINC := -I../$(BDKDIR)
 VPATH += $(dir $(wildcard ../$(BDKDIR)/*/)) $(dir $(wildcard ../$(BDKDIR)/*/*/))

 # Main and graphics.
-OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
+OBJS = $(addprefix $(BUILDDIR)/, \
 	start.o loader.o lz.o \
 )

@@ -43,23 +43,23 @@ LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defs
 all: $(TARGET).bin $(TOOLSLZ) $(TOOLSB2C)

 clean:
-	@rm -rf $(OBJS)
+	@rm -f payload_00.h
+	@rm -f payload_01.h

-$(TARGET).bin: $(BUILDDIR)/$(TARGET)/$(TARGET).elf
+$(TARGET).bin: $(BUILDDIR)/$(TARGET).elf
 	@$(OBJCOPY) -S -O binary $< $(OUTPUTDIR)/$(PAYLOAD_NAME).bin

-$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
+$(BUILDDIR)/$(TARGET).elf: $(OBJS)
 	@$(CC) $(LDFLAGS) -T link.ld $^ -o $@

-$(BUILDDIR)/$(TARGET)/%.o: %.c
+$(BUILDDIR)/%.o: %.c
 	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@

-$(BUILDDIR)/$(TARGET)/%.o: %.S
+$(BUILDDIR)/%.o: %.S
 	@$(CC) $(CFLAGS) -c $< -o $@

-$(OBJS): $(BUILDDIR)/$(TARGET)
+$(OBJS): $(BUILDDIR)

-$(BUILDDIR)/$(TARGET):
+$(BUILDDIR):
 	@mkdir -p "$(BUILDDIR)"
-	@mkdir -p "$(BUILDDIR)/$(TARGET)"
 	@mkdir -p "$(OUTPUTDIR)"
--- a/modules/hekate_libsys_lp0/Makefile
+++ b/modules/hekate_libsys_lp0/Makefile
@@ -5,12 +5,16 @@ endif
 include $(DEVKITARM)/base_rules

 TARGET := libsys_lp0
-BUILD := ../../build/$(TARGET)
-OUTPUT := ../../output
+BUILDDIR := ../../build/$(TARGET)
+OUTPUTDIR := ../../output
 BDKDIR := bdk
 BDKINC := -I../../$(BDKDIR)

-OBJS = $(addprefix $(BUILD)/,\
+# Track compiler flags
+TRACK_CFLAGS = $(BUILDDIR)/.cflags
+TRACK_LDFLAGS = $(BUILDDIR)/.ldflags
+
+OBJS = $(addprefix $(BUILDDIR)/,\
 	sys_sdramlp0.o \
 )

@@ -18,17 +22,21 @@ ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
 CFLAGS = $(ARCH) -O2 -nostdlib -fpie -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 -Wall -Wsign-compare $(CUSTOMDEFINES)
 LDFLAGS = $(ARCH) -fpie -pie -nostartfiles -lgcc

-.PHONY: clean all
+.PHONY: all

 all: $(TARGET).bso
-$(BUILD)/%.o: ./%.c
-	@mkdir -p "$(BUILD)"
-	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
+$(BUILDDIR)/%.o: ./%.c $(TRACK_CFLAGS)
+	@mkdir -p "$(BUILDDIR)"
+	@$(CC) $(CFLAGS) $(BDKINC) -MMD -MP -c $< -o $@

-$(TARGET).bso: $(OBJS)
-	@$(CC) $(LDFLAGS) -e sdram_lp0_entry $^ -o $(OUTPUT)/$(TARGET).bso
-	@$(STRIP) -g $(OUTPUT)/$(TARGET).bso
-	@echo  -e "-------------\nBuilt module: "$(TARGET)".bso\n-------------"
+$(TARGET).bso: $(OBJS) $(TRACK_LDFLAGS)
+	@$(CC) $(LDFLAGS) -e sdram_lp0_entry $(OBJS) -o $(OUTPUTDIR)/$(TARGET).bso
+	@$(STRIP) -g $(OUTPUTDIR)/$(TARGET).bso
+	@echo "Built module: "$(TARGET)".bso"

-clean:
-	@rm -rf $(OUTPUT)/$(TARGET).bso
+# Non objects change detectors.
+$(TRACK_CFLAGS): $(BUILDDIR)
+	@echo '$(CFLAGS)' | cmp -s - $@ || echo '$(CFLAGS)' > $@
+$(TRACK_LDFLAGS): $(BUILDDIR)
+	@echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+-include $(OBJS:.o=.d)
--- a/modules/hekate_libsys_minerva/Makefile
+++ b/modules/hekate_libsys_minerva/Makefile
@@ -5,12 +5,16 @@ endif
 include $(DEVKITARM)/base_rules

 TARGET := libsys_minerva
-BUILD := ../../build/$(TARGET)
-OUTPUT := ../../output
+BUILDDIR := ../../build/$(TARGET)
+OUTPUTDIR := ../../output
 BDKDIR := bdk
 BDKINC := -I../../$(BDKDIR)

-OBJS = $(addprefix $(BUILD)/,\
+# Track compiler flags
+TRACK_CFLAGS = $(BUILDDIR)/.cflags
+TRACK_LDFLAGS = $(BUILDDIR)/.ldflags
+
+OBJS = $(addprefix $(BUILDDIR)/,\
 	sys_sdrammtc.o \
 )

@@ -18,17 +22,21 @@ ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
 CFLAGS = $(ARCH) -O2 -nostdlib -fpie -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 -Wall -Wsign-compare $(CUSTOMDEFINES)
 LDFLAGS = $(ARCH) -fpie -pie -nostartfiles -lgcc

-.PHONY: clean all
+.PHONY: all

 all: $(TARGET).bso
-$(BUILD)/%.o: ./%.c
-	@mkdir -p "$(BUILD)"
-	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
+$(BUILDDIR)/%.o: ./%.c $(TRACK_CFLAGS)
+	@mkdir -p "$(BUILDDIR)"
+	@$(CC) $(CFLAGS) $(BDKINC) -MMD -MP -c $< -o $@

-$(TARGET).bso: $(OBJS)
-	@$(CC) $(LDFLAGS) -e minerva_entry $^ -o $(OUTPUT)/$(TARGET).bso
-	@$(STRIP) -g $(OUTPUT)/$(TARGET).bso
-	@echo  -e "-------------\nBuilt module: "$(TARGET)".bso\n-------------"
+$(TARGET).bso: $(OBJS) $(TRACK_LDFLAGS)
+	@$(CC) $(LDFLAGS) -e minerva_entry $(OBJS) -o $(OUTPUTDIR)/$(TARGET).bso
+	@$(STRIP) -g $(OUTPUTDIR)/$(TARGET).bso
+	@echo "Built module: "$(TARGET)".bso"

-clean:
-	@rm -rf $(OUTPUT)/$(TARGET).bso
+# Non objects change detectors.
+$(TRACK_CFLAGS): $(BUILDDIR)
+	@echo '$(CFLAGS)' | cmp -s - $@ || echo '$(CFLAGS)' > $@
+$(TRACK_LDFLAGS): $(BUILDDIR)
+	@echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+-include $(OBJS:.o=.d)
--- a/modules/simple_sample/Makefile
+++ b/modules/simple_sample/Makefile
@@ -5,14 +5,18 @@ endif
 include $(DEVKITARM)/base_rules

 TARGET := module_sample
-BUILD := ../../build/$(TARGET)
-OUTPUT := ../../output
+BUILDDIR := ../../build/$(TARGET)
+OUTPUTDIR := ../../output
 SOURCEDIR = simple_sample
 BDKDIR := bdk
 BDKINC := -I../../$(BDKDIR)
 VPATH = $(dir ./) $(dir $(wildcard ./*/))

-OBJS = $(addprefix $(BUILD)/,\
+# Track compiler flags
+TRACK_CFLAGS = $(BUILDDIR)/.cflags
+TRACK_LDFLAGS = $(BUILDDIR)/.ldflags
+
+OBJS = $(addprefix $(BUILDDIR)/,\
 	module_sample.o \
 	gfx.o \
 )
@@ -22,20 +26,28 @@ GFX_INC   := '"../modules/$(SOURCEDIR)/gfx/gfx.h"'
 CUSTOMDEFINES := -DGFX_INC=$(GFX_INC)

 ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
-CFLAGS = $(ARCH) -O2 -nostdlib -fpie -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 -Wall $(CUSTOMDEFINES)
+CFLAGS = $(ARCH) -O2 -nostdlib -fpie -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 -Wall -Wsign-compare $(CUSTOMDEFINES)
 LDFLAGS = $(ARCH) -fpie -pie -nostartfiles -lgcc

 .PHONY: clean all

 all: $(TARGET).bso
-$(BUILD)/%.o: ./%.c
-	@mkdir -p "$(BUILD)"
-	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
+$(BUILDDIR)/%.o: ./%.c $(TRACK_CFLAGS)
+	@mkdir -p "$(BUILDDIR)"
+	@$(CC) $(CFLAGS) $(BDKINC) -MMD -MP -c $< -o $@

-$(TARGET).bso: $(OBJS)
-	@$(CC) $(LDFLAGS) -e _modInit $^ -o $(OUTPUT)/$(TARGET).bso
-	@$(STRIP) -g $(OUTPUT)/$(TARGET).bso
-	@echo  -e "-------------\nBuilt module: "$(TARGET)".bso\n-------------"
+$(TARGET).bso: $(OBJS) $(TRACK_LDFLAGS)
+	@$(CC) $(LDFLAGS) -e mod_entry $(OBJS) -o $(OUTPUTDIR)/$(TARGET).bso
+	@$(STRIP) -g $(OUTPUTDIR)/$(TARGET).bso
+	@echo "Built module: "$(TARGET)".bso"

 clean:
-	@rm -rf $(OUTPUT)/$(TARGET).bso
+	@rm -rf $(BUILDDIR)/$(TARGET)
+	@rm -rf $(OUTPUTDIR)/$(TARGET).bso
+
+# Non objects change detectors.
+$(TRACK_CFLAGS): $(BUILDDIR)
+	@echo '$(CFLAGS)' | cmp -s - $@ || echo '$(CFLAGS)' > $@
+$(TRACK_LDFLAGS): $(BUILDDIR)
+	@echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+-include $(OBJS:.o=.d)
--- a/modules/simple_sample/module_sample.c
+++ b/modules/simple_sample/module_sample.c
@@ -6,7 +6,7 @@
 #include <module.h>
 #include <gfx_utils.h>

-void _modInit(void *moduleConfig, bdkParams_t bp)
+void mod_entry(void *moduleConfig, bdkParams_t bp)
 {
 	memcpy(&gfx_con, bp->gfxCon, sizeof(gfx_con_t));
 	memcpy(&gfx_ctxt, bp->gfxCtx, sizeof(gfx_ctxt_t));
--- a/nyx/Makefile
+++ b/nyx/Makefile
@@ -13,7 +13,7 @@ include ./../Versions.inc
 ################################################################################

 TARGET := nyx
-BUILDDIR := ./../build
+BUILDDIR := ./../build/$(TARGET)
 OUTPUTDIR := ./../output
 SOURCEDIR = nyx_gui
 BDKDIR := bdk
@@ -22,54 +22,47 @@ VPATH = $(dir $(wildcard ./$(SOURCEDIR)/)) $(dir $(wildcard ./$(SOURCEDIR)/*/))
 VPATH += $(dir $(wildcard ./$(SOURCEDIR)/*/*/*/)) $(dir $(wildcard ./$(SOURCEDIR)/*/*/*/*/))
 VPATH += $(dir $(wildcard ../$(BDKDIR)/)) $(dir $(wildcard ../$(BDKDIR)/*/)) $(dir $(wildcard ../$(BDKDIR)/*/*/)) $(dir $(wildcard ../$(BDKDIR)/*/*/*/))

+# Track compiler flags
+TRACK_CFLAGS = $(BUILDDIR)/.cflags
+TRACK_LDFLAGS = $(BUILDDIR)/.ldflags
+
 # Main and graphics.
-OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	start.o exception_handlers.o \
-	nyx.o heap.o \
-	gfx.o \
-	gui.o gui_info.o gui_tools.o gui_options.o gui_emmc_tools.o gui_emummc_tools.o gui_tools_partition_manager.o \
-	fe_emummc_tools.o fe_emmc_tools.o \
-)
+OBJS =  start exception_handlers nyx heap gfx \
+		gui gui_info gui_tools gui_options gui_emmc_tools gui_emummc_tools gui_tools_partition_manager \
+		fe_emummc_tools fe_emmc_tools

 # Hardware.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	bpmp.o ccplex.o clock.o di.o vic.o i2c.o irq.o timer.o \
-	gpio.o  pinmux.o pmc.o se.o smmu.o tsec.o uart.o \
-	fuse.o kfuse.o \
-	mc.o sdram.o minerva.o ramdisk.o \
-	sdmmc.o sdmmc_driver.o emmc.o sd.o nx_emmc_bis.o \
-	bm92t36.o bq24193.o max17050.o max7762x.o max77620-rtc.o regulator_5v.o \
-	touch.o joycon.o tmp451.o fan.o \
-	usbd.o xusbd.o usb_descriptors.o usb_gadget_ums.o usb_gadget_hid.o \
-	hw_init.o \
-)
+OBJS += actmon bpmp ccplex clock di vic i2c irq timer \
+		gpio  pinmux pmc se smmu tsec uart \
+		fuse kfuse \
+		mc sdram minerva ramdisk \
+		sdmmc sdmmc_driver emmc sd nx_emmc_bis \
+		bm92t36 bq24193 max17050 max7762x max77620-rtc regulator_5v \
+		touch joycon tmp451 fan \
+		usbd xusbd usb_descriptors usb_gadget_ums usb_gadget_hid \
+		hw_init

 # Utilities.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	btn.o dirlist.o ianos.o util.o \
-	config.o ini.o \
-	sprintf.o \
-)
+OBJS += btn dirlist ianos ini util config sprintf

 # Horizon.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	hos.o pkg1.o pkg2.o \
-)
+OBJS += hos pkg1 pkg2

 # Libraries.
-OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
-	diskio.o ff.o ffunicode.o ffsystem.o \
-	elfload.o elfreloc_arm.o blz.o \
-	lv_group.o lv_indev.o lv_obj.o lv_refr.o lv_style.o lv_vdb.o \
-	lv_draw.o lv_draw_rbasic.o lv_draw_vbasic.o lv_draw_arc.o lv_draw_img.o \
-	lv_draw_label.o lv_draw_line.o lv_draw_rect.o lv_draw_triangle.o \
-	lv_hal_disp.o lv_hal_indev.o lv_hal_tick.o \
-	interui_20.o interui_30.o ubuntu_mono.o hekate_symbol_20.o hekate_symbol_30.o hekate_symbol_120.o lv_font_builtin.o \
-	lv_anim.o lv_area.o lv_circ.o lv_color.o lv_font.o lv_ll.o lv_math.o lv_mem.o lv_task.o lv_txt.o lv_gc.o \
-	lv_bar.o lv_btn.o lv_btnm.o lv_cb.o lv_cont.o lv_ddlist.o lv_img.o lv_label.o lv_line.o lv_list.o lv_lmeter.o lv_mbox.o \
-	lv_page.o lv_roller.o lv_slider.o lv_sw.o lv_tabview.o lv_ta.o lv_win.o lv_log.o lv_imgbtn.o \
-	lv_theme.o lv_theme_hekate.o \
-)
+OBJS += diskio ff ffunicode ffsystem \
+		elfload elfreloc_arm blz \
+		lv_group lv_indev lv_obj lv_refr lv_style lv_vdb \
+		lv_draw lv_draw_rbasic lv_draw_vbasic lv_draw_arc lv_draw_img \
+		lv_draw_label lv_draw_line lv_draw_rect lv_draw_triangle \
+		lv_hal_disp lv_hal_indev lv_hal_tick \
+		interui_20 interui_30 ubuntu_mono hekate_symbol_20 hekate_symbol_30 hekate_symbol_120 lv_font_builtin \
+		lv_anim lv_area lv_circ lv_color lv_font lv_ll lv_math lv_mem lv_task lv_txt lv_gc \
+		lv_bar lv_btn lv_btnm lv_cb lv_cont lv_ddlist lv_img lv_label lv_line lv_list lv_lmeter lv_mbox \
+		lv_page lv_roller lv_slider lv_sw lv_tabview lv_ta lv_win lv_log lv_imgbtn \
+		lv_theme lv_theme_hekate
+
+OBJS := $(addsuffix .o, $(OBJS))
+OBJS := $(addprefix $(BUILDDIR)/, $(OBJS))

 GFX_INC   := '"../nyx/$(SOURCEDIR)/gfx/gfx.h"'
 FFCFG_INC := '"../nyx/$(SOURCEDIR)/libs/fatfs/ffconf.h"'
@@ -101,6 +94,14 @@ ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork $(WARNINGS)
 CFLAGS = $(ARCH) -O2 -g -gdwarf-4 -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 $(CUSTOMDEFINES)
 LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defsym=NYX_LOAD_ADDR=$(NYX_LOAD_ADDR)

+ifndef NYXECHO
+T := $(shell $(MAKE) $(BUILDDIR)/$(TARGET).elf --no-print-directory -nrRf $(firstword $(MAKEFILE_LIST)) NYXECHO="NYXOBJ" | grep -c "NYXOBJ")
+
+N := x
+C = $(words $N)$(eval N := x $N)
+NYXECHO = echo -ne "\r`expr "  [\`expr $C '*' 100 / $T\`" : '.*\(....\)$$'`%]\033[K"
+endif
+
 ################################################################################

 .PHONY: all clean
@@ -117,24 +118,29 @@ clean:
 	@rm -rf $(BUILDDIR)
 	@rm -rf $(OUTPUTDIR)

-$(TARGET).bin: $(BUILDDIR)/$(TARGET)/$(TARGET).elf
+$(TARGET).bin: $(BUILDDIR)/$(TARGET).elf
 	@$(OBJCOPY) -S -O binary $< $(OUTPUTDIR)/$@

-$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
-	@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $^ -o $@
-	@printf "$(TARGET) was built with the following flags:\nCFLAGS:  $(CFLAGS)\nLDFLAGS: $(LDFLAGS)\n"
+$(BUILDDIR)/$(TARGET).elf: $(OBJS) $(TRACK_LDFLAGS)
+	@echo -ne "\r[100%] Linking $(TARGET).elf\033[K"
+	@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $(OBJS) -o $@
+	@printf "\n$(TARGET) was built with the following flags:\nCFLAGS:  $(CFLAGS)\nLDFLAGS: $(LDFLAGS)\n"

-$(BUILDDIR)/$(TARGET)/%.o: %.c
-	@echo Building $@
-	@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
+$(BUILDDIR)/%.o: %.c $(TRACK_CFLAGS) | $(BUILDDIR)
+	@$(NYXECHO) Building $@
+	@$(CC) $(CFLAGS) $(BDKINC) -MMD -MP -c $< -o $@

-$(BUILDDIR)/$(TARGET)/%.o: %.S
-	@echo Building $@
-	@$(CC) $(CFLAGS) -c $< -o $@
+$(BUILDDIR)/%.o: %.S $(TRACK_CFLAGS) | $(BUILDDIR)
+	@$(NYXECHO) Building $@
+	@$(CC) $(CFLAGS) -MMD -MP -c $< -o $@

-$(OBJS): $(BUILDDIR)/$(TARGET)
-
-$(BUILDDIR)/$(TARGET):
+$(BUILDDIR):
 	@mkdir -p "$(BUILDDIR)"
-	@mkdir -p "$(BUILDDIR)/$(TARGET)"
 	@mkdir -p "$(OUTPUTDIR)"
+
+# Non objects change detectors.
+$(TRACK_CFLAGS): $(BUILDDIR)
+	@echo '$(CFLAGS)' | cmp -s - $@ || echo '$(CFLAGS)' > $@
+$(TRACK_LDFLAGS): $(BUILDDIR)
+	@echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+-include $(OBJS:.o=.d)