100 lines
2.1 KiB
Makefile
100 lines
2.1 KiB
Makefile
# Makefile for desktop (GUI desktop environment) on MontaukOS
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# Copyright (c) 2025 Daniel Hammer
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MAKEFLAGS += -rR
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.SUFFIXES:
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# ---- Toolchain ----
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TOOLCHAIN_PREFIX := $(shell cd ../../.. && pwd)/toolchain/local/bin/x86_64-elf-
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ifneq ($(wildcard $(TOOLCHAIN_PREFIX)gcc),)
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CXX := $(TOOLCHAIN_PREFIX)g++
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else
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CXX := g++
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endif
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# ---- Paths ----
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PROG_INC := ../../include
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JPEG_LIB := ../../lib/libjpeg
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LIBC_LIB := ../../lib/libc
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BEARSSL := ../../lib/bearssl
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LINK_LD := ../../link.ld
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BINDIR := ../../bin
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OBJDIR := obj
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# ---- C++ compiler flags ----
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CXXFLAGS := \
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-std=gnu++20 \
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-g -O2 -pipe \
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-Wall \
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-Wextra \
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-Wno-unused-parameter \
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-Wno-unused-function \
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-nostdinc \
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-ffreestanding \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-PIC \
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-fno-rtti \
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-fno-exceptions \
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-ffunction-sections \
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-fdata-sections \
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-m64 \
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-march=x86-64 \
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-msse \
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-msse2 \
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-mno-red-zone \
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-mcmodel=small \
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-MMD -MP \
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-I $(PROG_INC) \
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-isystem $(PROG_INC)/libc \
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-I $(BEARSSL)/inc \
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-isystem ../../../kernel/freestnd-c-hdrs/x86_64/include \
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-isystem ../../../kernel/freestnd-cxx-hdrs/x86_64/include
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# ---- Linker flags ----
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LDFLAGS := \
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-nostdlib \
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-static \
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-Wl,--build-id=none \
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-Wl,--gc-sections \
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-Wl,-m,elf_x86_64 \
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-z max-page-size=0x1000 \
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-T $(LINK_LD)
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# ---- C++ source files ----
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CORE_SRCS := main.cpp window.cpp panel.cpp compose.cpp input.cpp dialogs.cpp launcher.cpp font_data.cpp stb_truetype_impl.cpp
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APP_SRCS := $(sort $(shell find apps -name '*.cpp' -print))
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SRCS := $(CORE_SRCS) $(APP_SRCS)
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OBJS := $(addprefix $(OBJDIR)/,$(SRCS:.cpp=.o))
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# ---- Target ----
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TARGET := $(BINDIR)/os/desktop.elf
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.PHONY: all clean
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all: $(TARGET)
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# ---- Libraries ----
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LIBS := $(JPEG_LIB)/libjpeg.a $(BEARSSL)/libbearssl.a $(LIBC_LIB)/liblibc.a
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$(TARGET): $(OBJS) $(LIBS) $(LINK_LD) Makefile
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mkdir -p $(BINDIR)/os
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$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
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# Sources
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$(OBJDIR)/%.o: %.cpp Makefile
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mkdir -p $(dir $@)
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$(CXX) $(CXXFLAGS) -c $< -o $@
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-include $(OBJS:.o=.d)
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clean:
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rm -rf $(OBJDIR) $(TARGET)
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