MAKEFLAGS += -rR
.SUFFIXES:
TOOLCHAIN_PREFIX := $(shell cd ../../.. && pwd)/toolchain/local/bin/x86_64-montauk-
CXX := $(TOOLCHAIN_PREFIX)g++
PROG_INC := ../../include
LIBDIR := ../../lib
LINK_LD := ../../link.ld
OBJDIR := obj
TARGET := ../../bin/os/sshd.elf
CXXFLAGS := -std=gnu++20 -g -O2 -pipe -Wall -Wextra -ffreestanding \
 -fno-stack-protector -fno-stack-check -fno-rtti -fno-exceptions \
 -ffunction-sections -fdata-sections -mno-80387 -mno-mmx -mno-sse -mno-sse2 \
 -MMD -MP -I $(PROG_INC) -I $(LIBDIR)/bearssl/inc -isystem $(PROG_INC)/libc
LDFLAGS := -nostdlib -Wl,--gc-sections -T $(LINK_LD)
LIBS := $(LIBDIR)/bearssl/libbearssl.a $(LIBDIR)/libc/liblibc.a
.PHONY: all clean
all: $(TARGET)
$(TARGET): $(OBJDIR)/main.o $(LIBS) $(LINK_LD) Makefile
	mkdir -p $(dir $@)
	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJDIR)/main.o $(LIBS) -o $@
$(OBJDIR)/main.o: main.cpp crypto.hpp Makefile
	mkdir -p $(OBJDIR)
	$(CXX) $(CXXFLAGS) -c main.cpp -o $@
-include $(OBJDIR)/main.d
clean:
	rm -rf $(OBJDIR) $(TARGET)
