# Makefile for the Keyboard settings applet on MontaukOS

MAKEFLAGS += -rR
.SUFFIXES:

include ../../mk/arch.mk
ifeq ($(wildcard $(TOOLCHAIN_PREFIX)gcc),)
    CXX = $(error $(TOOLCHAIN_MISSING))
else
    CXX := $(TOOLCHAIN_PREFIX)g++
endif

PROG_INC := ../../include
LINK_LD  := ../../link.ld
BINDIR   := ../../bin$(ARCH_SUFFIX)
OBJDIR   := obj$(ARCH_SUFFIX)
LIBDIR   := ../../lib

CXXFLAGS := -std=gnu++20 -g -O2 -pipe -Wall -Wextra -Wno-unused-parameter \
    -Wno-unused-function -ffreestanding -fno-stack-protector -fno-stack-check \
    -fno-rtti -fno-exceptions -ffunction-sections -fdata-sections $(ARCH_FP_FLAGS) \
    -MMD -MP -I $(PROG_INC) -isystem $(PROG_INC)/libc
LDFLAGS := -nostdlib -Wl,--gc-sections -T $(LINK_LD)

SRCS := main.cpp stb_truetype_impl.cpp
OBJS := $(addprefix $(OBJDIR)/,$(SRCS:.cpp=.o))
TARGET := $(BINDIR)/apps/keyboard/keyboard.elf
LIBS := $(LIBDIR)/libc/$(ARCH_OUT)liblibc.a

.PHONY: all clean
all: $(TARGET)

$(TARGET): $(OBJS) $(LINK_LD) Makefile $(LIBS)
	mkdir -p $(BINDIR)/apps/keyboard
	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@

$(OBJDIR)/%.o: %.cpp Makefile
	mkdir -p $(dir $@)
	$(CXX) $(CXXFLAGS) -c $< -o $@

-include $(OBJS:.o=.d)

clean:
	rm -rf $(OBJDIR) $(TARGET)