mirror of
https://github.com/UpsilonNumworks/Upsilon.git
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71 lines
1.5 KiB
Makefile
71 lines
1.5 KiB
Makefile
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ifeq ($(strip $(DEVKITARM)),)
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$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
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endif
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro)
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endif
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DEVKITPATH=$(shell echo "$(DEVKITPRO)" | sed -e 's/^\([a-zA-Z]\):/\/\1/')
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PREFIX = $(DEVKITPATH)/devkitARM/bin/arm-none-eabi-
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CC = $(PREFIX)gcc
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CXX = $(PREFIX)g++
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LD = $(CXX)
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GDB = $(PREFIX)gdb
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OBJCOPY = $(PREFIX)objcopy
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SIZE = $(PREFIX)size
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ARCH = -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
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CFLAGS = -g -Wall -O2 -mword-relocations \
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-ffunction-sections \
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$(ARCH)
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LIBDIRS := $(DEVKITPRO)/libctru
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INCLUDE = $(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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CFLAGS += $(INCLUDE) -DARM11 -D_3DS
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CXXFLAGS = $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
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ASFLAGS = -g $(ARCH)
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LDFLAGS = -specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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LIBS = -lctru -lm
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# Always generate debug information
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SFLAGS += -ggdb3
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# Put data/code symbols in their own subsection
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# This allows the linker script to precisely place a given symbol
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SFLAGS += -fdata-sections -ffunction-sections
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ifeq ($(DEBUG),1)
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LTO ?= 0
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else
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LTO ?= 1
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endif
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ifeq ($(LTO),1)
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# Use link-time optimization if LTO=1
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SFLAGS += -flto
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endif
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# Get rid of unused symbols. This is also useful even if LTO=1.
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LDFLAGS += -Wl,--gc-sections
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LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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LDFLAGS += $(SFLAGS) $(LIBPATHS) $(LIBS) -lgcc
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# To debug linker scripts, add the following line
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# LDFLAGS += -Wl,-M
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