# Makefile for printctl 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
LIBC_LIB := ../../lib/libc
BEARSSL := ../../lib/bearssl
TLS_LIB := ../../lib/tls
LINK_LD  := ../../link.ld
BINDIR   := ../../bin$(ARCH_SUFFIX)
OBJDIR   := obj$(ARCH_SUFFIX)
CXXFLAGS := \
    -std=gnu++20 \
    -g -O2 -pipe \
    -Wall \
    -Wextra \
    -Wno-unused-parameter \
    -ffreestanding \
    -fno-stack-protector \
    -fno-stack-check \
    -fno-rtti \
    -fno-exceptions \
    -ffunction-sections \
    -fdata-sections \
    $(ARCH_NOFP_FLAGS) \
    -I $(PROG_INC) \
    -isystem $(PROG_INC)/libc \
    -I $(BEARSSL)/inc

LDFLAGS := \
    -nostdlib \
    -Wl,--gc-sections \
    -T $(LINK_LD)

TARGET := $(BINDIR)/os/printctl.elf
DEPS := $(OBJDIR)/main.d

.PHONY: all clean

all: $(TARGET)

$(TARGET): $(OBJDIR)/main.o $(LINK_LD) Makefile $(LIBC_LIB)/$(ARCH_OUT)liblibc.a
	mkdir -p $(BINDIR)/os
	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJDIR)/main.o $(TLS_LIB)/$(ARCH_OUT)libtls.a $(BEARSSL)/build$(ARCH_SUFFIX)/libbearssl.a $(LIBC_LIB)/$(ARCH_OUT)liblibc.a -o $@

$(OBJDIR)/main.o: main.cpp Makefile
	mkdir -p $(OBJDIR)
	$(CXX) $(CXXFLAGS) -MMD -MP -c $< -o $@

-include $(DEPS)

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