Makefile.alt

.NOTPARALLEL:

SRCDIR = src
LIBDIR = lib
BUILDDIR = obj
SRC = $(wildcard $(SRCDIR)/*.c)

INCLUDES += -I$(SRCDIR) -Iext
CFLAGS += -std=c11 $(INCLUDES)

ARCH := $(shell getconf LONG_BIT)

ifndef platform
	platform=x86_$(ARCH)
endif

ifndef config
ifeq ($(findstring x86, $(platform)), x86)
	config=release-sse
else
	config=release
endif
endif

ifeq ($(findstring -sse, $(config)),-sse)
	CFLAGS += -msse -msse2 -msse3 -msse4.1 -msse4.2
	DEFINES += -DCT_FEATURE_SSE
endif

ifeq ($(findstring release, $(config)),release)
	CFLAGS += -O3
	DEFINES += -DNDEBUG
else
	CFLAGS += -g
	DEFINES += -DDEBUG -DCT_FEATURE_CHECKS -DCT_FEATURE_CHECK_MEM -DCT_FEATURE_LOG
endif

OBJDIR = $(BUILDDIR)/$(platform)/$(config)
OBJECTS = $(subst $(SRCDIR)/, $(OBJDIR)/, $(SRC:.c=.o))
DEPS = $(OBJECTS:.o=.d)

ifeq ($(findstring stm32,$(platform)),stm32)
	TARGETDIR = $(LIBDIR)
	TARGET = $(TARGETDIR)/libctss-$(platform)-$(config).a
	CC = arm-none-eabi-gcc
	AR = arm-none-eabi-ar
ifeq ($(platform),stm32f4)
	CFLAGS += -mthumb -mcpu=cortex-m4 -march=armv7e-m -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffast-math
endif
ifeq ($(platform),stm32f7)
	CFLAGS += -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-sp-d16 -ffast-math
endif
else
	TARGETDIR = $(LIBDIR)
	TARGET = $(TARGETDIR)/libctss-$(platform)-$(config).a
endif

LINKCMD = $(AR) -rcs "$@" $(OBJECTS)

all: $(TARGETDIR) $(OBJDIR) $(TARGET)
	@:

.PHONY: trace clean

trace:
	@echo $(CC)
	@echo $(AR)
	@echo $(CFLAGS)
	@echo $(TARGET)
	@echo $(SRC)
	@echo $(OBJECTS)
	@echo $(DEPS)

clean:
	@echo Cleaning...
	rm -rf $(TARGETDIR)
	rm -rf $(OBJDIR)

$(TARGET): $(OBJECTS) $(LDDEPS) $(RESOURCES)
	@echo Linking $(TARGET)
	$(LINKCMD)

$(TARGETDIR):
	@echo Creating $(TARGETDIR)
	mkdir -p $(TARGETDIR)

$(OBJDIR):
	@echo Creating $(OBJDIR)
	mkdir -p $(OBJDIR)

$(OBJDIR)/%.o: $(SRCDIR)/%.c $(TARGETDIR)
	@echo $(notdir $<)
	$(CC) $(DEFINES) $(CFLAGS) -o "$@" -MMD -MP -MF "$(@:%.o=%.d)" -c "$<"

-include $(DEPS)