119 lines
2.7 KiB
Makefile
119 lines
2.7 KiB
Makefile
# Makefile for standalone MontaukOS app (template)
|
|
# Usage:
|
|
# make Build the app
|
|
# make clean Remove build artifacts
|
|
# make install Copy ELF to MontaukOS ramdisk bin directory
|
|
#
|
|
# Copy this entire directory, rename it, and edit APP_NAME/SRCS below.
|
|
|
|
MAKEFLAGS += -rR
|
|
.SUFFIXES:
|
|
|
|
# ---- App configuration ----
|
|
# Change these for your app:
|
|
|
|
APP_NAME := myapp
|
|
SRCS := src/main.cpp src/stb_truetype_impl.cpp src/cxxrt.cpp
|
|
|
|
# Optional features — set to 1 to enable:
|
|
# USE_TLS=1 HTTPS/TLS support (libtls + libbearssl)
|
|
# USE_JPEG=1 JPEG image decoding (libjpeg / stb_image)
|
|
USE_TLS ?= 0
|
|
USE_JPEG ?= 0
|
|
|
|
# ---- Toolchain ----
|
|
# Looks for the cross-compiler via MONTAUKOS, then falls back to system g++.
|
|
|
|
MONTAUKOS ?= $(HOME)/dev/MontaukOS
|
|
TOOLCHAIN := $(MONTAUKOS)/toolchain/local/bin/x86_64-elf-
|
|
ifneq ($(wildcard $(TOOLCHAIN)gcc),)
|
|
CXX := $(TOOLCHAIN)g++
|
|
else
|
|
CXX := g++
|
|
endif
|
|
|
|
# ---- Paths ----
|
|
|
|
SYSROOT := sysroot
|
|
OBJDIR := obj
|
|
BINDIR := bin
|
|
LINK_LD := link.ld
|
|
|
|
# ---- Compiler flags ----
|
|
|
|
CXXFLAGS := \
|
|
-std=gnu++20 \
|
|
-g -O2 -pipe \
|
|
-Wall \
|
|
-Wextra \
|
|
-Wno-unused-parameter \
|
|
-Wno-unused-function \
|
|
-nostdinc \
|
|
-ffreestanding \
|
|
-fno-stack-protector \
|
|
-fno-stack-check \
|
|
-fno-PIC \
|
|
-fno-rtti \
|
|
-fno-exceptions \
|
|
-ffunction-sections \
|
|
-fdata-sections \
|
|
-m64 \
|
|
-march=x86-64 \
|
|
-msse \
|
|
-msse2 \
|
|
-mno-red-zone \
|
|
-mcmodel=small \
|
|
-I $(SYSROOT)/include \
|
|
-I src \
|
|
-isystem $(SYSROOT)/include/libc
|
|
|
|
# ---- Linker flags ----
|
|
|
|
LDFLAGS := \
|
|
-nostdlib \
|
|
-static \
|
|
-Wl,--build-id=none \
|
|
-Wl,--gc-sections \
|
|
-Wl,-m,elf_x86_64 \
|
|
-z max-page-size=0x1000 \
|
|
-T $(LINK_LD)
|
|
|
|
# ---- Libraries ----
|
|
# Order matters: libtls depends on libbearssl, everything depends on liblibc.
|
|
|
|
LIBS :=
|
|
ifeq ($(USE_TLS),1)
|
|
LIBS += $(SYSROOT)/lib/libtls.a $(SYSROOT)/lib/libbearssl.a
|
|
endif
|
|
ifeq ($(USE_JPEG),1)
|
|
LIBS += $(SYSROOT)/lib/libjpeg.a
|
|
endif
|
|
LIBS += $(SYSROOT)/lib/liblibc.a
|
|
|
|
# ---- Build rules ----
|
|
|
|
OBJS := $(addprefix $(OBJDIR)/,$(SRCS:.cpp=.o))
|
|
TARGET := $(BINDIR)/$(APP_NAME).elf
|
|
|
|
.PHONY: all clean install
|
|
|
|
all: $(TARGET)
|
|
|
|
$(TARGET): $(OBJS) $(LINK_LD) Makefile
|
|
@mkdir -p $(BINDIR)
|
|
$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
|
|
@echo "Built: $@"
|
|
|
|
$(OBJDIR)/%.o: %.cpp Makefile
|
|
@mkdir -p $(dir $@)
|
|
$(CXX) $(CXXFLAGS) -c $< -o $@
|
|
|
|
clean:
|
|
rm -rf $(OBJDIR) $(BINDIR)
|
|
|
|
# Copy the built ELF into the MontaukOS ramdisk tree for testing.
|
|
install: $(TARGET)
|
|
@mkdir -p $(MONTAUKOS)/programs/bin/apps/$(APP_NAME)
|
|
cp $(TARGET) $(MONTAUKOS)/programs/bin/apps/$(APP_NAME)/$(APP_NAME).elf
|
|
@echo "Installed to $(MONTAUKOS)/programs/bin/apps/$(APP_NAME)/"
|