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Makefile
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Makefile
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# SPDX-License-Identifier: CC0-1.0
#
# SPDX-FileContributor: Antonio Niño Díaz, 2023
# Source code paths
# -----------------
SOURCEDIRS := source
INCLUDEDIRS := source
# Try to find the SDK version if it wasn't already provided e.g. by the parent Makefile
SDK_VERSION ?= $(shell git describe --tags --exact-match --dirty 2>/dev/null)
# Fallback to commit hash
ifeq ($(SDK_VERSION),)
# --exclude to prevent any older tags from being displayed
VERSION_ID := "commit $(shell git describe --always --dirty --exclude '*' 2>/dev/null)"
else
VERSION_ID := "BlocksDS $(SDK_VERSION)"
endif
# Defines passed to all files
# ---------------------------
DEFINES := -DVERSION_ID=\"$(VERSION_ID)\"
# Libraries
# ---------
# Some hack to compile on macOS, which needs libiconv explicitly defined
UNAME := $(shell uname -s)
ifeq ($(UNAME),Darwin)
LIBS := -liconv
else
LIBS :=
endif
LIBDIRS :=
# Build artifacts
# ---------------
NAME := ndstool
BUILDDIR := build
ELF := $(NAME)
# Tools
# -----
STRIP := -s
BINMODE := 755
CC := gcc
CXX := g++
CP := cp
MKDIR := mkdir
RM := rm -rf
MAKE := make
INSTALL := install
# Verbose flag
# ------------
ifeq ($(VERBOSE),1)
V :=
else
V := @
endif
# Source files
# ------------
SOURCES_C := $(shell find -L $(SOURCEDIRS) -name "*.c")
SOURCES_CPP := $(shell find -L $(SOURCEDIRS) -name "*.cpp")
# Compiler and linker flags
# -------------------------
WARNFLAGS_C := -Wall -Wextra -Wpedantic -Wstrict-prototypes
WARNFLAGS_CXX := -Wall -Wextra -Wno-unused-result -Wno-class-memaccess \
-Wno-stringop-truncation
ifeq ($(SOURCES_CPP),)
LD := $(CC)
else
LD := $(CXX)
endif
INCLUDEFLAGS := $(foreach path,$(INCLUDEDIRS),-I$(path)) \
$(foreach path,$(LIBDIRS),-I$(path)/include)
LIBDIRSFLAGS := $(foreach path,$(LIBDIRS),-L$(path)/lib)
CFLAGS += -std=gnu11 $(WARNFLAGS_C) $(DEFINES) $(INCLUDEFLAGS) -O3
CXXFLAGS += -std=gnu++14 $(WARNFLAGS_CXX) $(DEFINES) $(INCLUDEFLAGS) -O3
LDFLAGS := $(LIBDIRSFLAGS) $(LIBS)
# Intermediate build files
# ------------------------
OBJS := $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_C))) \
$(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_CPP)))
DEPS := $(OBJS:.o=.d)
# Targets
# -------
.PHONY: all clean install
all: $(ELF)
$(ELF): $(OBJS)
@echo " LD $@"
$(V)$(LD) -o $@ $(OBJS) $(LDFLAGS)
clean:
@echo " CLEAN "
$(V)$(RM) $(ELF) $(BUILDDIR)
INSTALLDIR ?= /opt/blocksds/core/tools/ndstool
INSTALLDIR_ABS := $(abspath $(INSTALLDIR))
install: all
@echo " INSTALL $(INSTALLDIR_ABS)"
@test $(INSTALLDIR_ABS)
$(V)$(RM) $(INSTALLDIR_ABS)
$(V)$(INSTALL) -d $(INSTALLDIR_ABS)
$(V)$(INSTALL) $(STRIP) -m $(BINMODE) $(NAME) $(INSTALLDIR_ABS)
$(V)$(CP) ./COPYING* $(INSTALLDIR_ABS)
# Rules
# -----
$(BUILDDIR)/%.c.o : %.c
@echo " CC $<"
@$(MKDIR) -p $(@D)
$(V)$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<
$(BUILDDIR)/%.cpp.o : %.cpp
@echo " CXX $<"
@$(MKDIR) -p $(@D)
$(V)$(CXX) $(CXXFLAGS) -MMD -MP -c -o $@ $<
# Include dependency files if they exist
# --------------------------------------
-include $(DEPS)