butterlibc/Makefile at master · cirnatdan/butterlibc · GitHub

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DMD ?= ldmd2
VERSION ?= Linux_Musl
OS = linux
ARCH ?= X86_64

# Installation settings
PREFIX ?= /usr/local
LIBDIR ?= $(PREFIX)/lib
DESTDIR ?=

# Cross-compiler tools (automatically set for AArch64)
.if ${ARCH} == aarch64
AS := aarch64-linux-gnu-as
CC := aarch64-linux-gnu-gcc
LD := aarch64-linux-gnu-ld
.else
AS ?= as
CC ?= gcc
LD ?= ld
.endif

# Set DMD flags based on architecture
.if ${ARCH} == aarch64
DMD_FLAGS = -mtriple=aarch64-linux-gnu
.elif ${ARCH} == X86_64
DMD_FLAGS ?= -m64
.endif

# Compiler-specific flags
.if ${DMD} == "dmd"
# DMD compiler - avoid standard library imports with -betterC and disable bounds checking
DMD_FLAGS += -noboundscheck
.else
# LDC compiler (default)
# DMD_FLAGS is set above based on ARCH
.endif

default: crt0.o
	$(DMD) -fPIC -betterC -c -defaultlib= -conf= -version=$(VERSION) *.d -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -version=$(VERSION) exit/*.d -unittest -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -defaultlib= -conf= -version=$(VERSION) posix/*.d -unittest -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -defaultlib= -conf= -version=$(VERSION) posix/sys/*.d -unittest -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -version=$(VERSION) stdlib/abs.d -unittest -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -version=$(VERSION) prng/rand.d -unittest -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -defaultlib= -conf= -version=$(VERSION) stdio/*.d -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -defaultlib= -conf= -version=$(VERSION) sys/linux/*.d -op -debug $(DMD_FLAGS)
	$(DMD) -fPIC -betterC -c -version=$(VERSION) string/*.d -op -debug $(DMD_FLAGS)

crt0.o: crt/$(OS)/$(ARCH)/crt0.s
	${AS} -o crt0.o crt/$(OS)/$(ARCH)/crt0.s

libbutterc.so: default crt0.o
	${LD} -o libbutterc.so \
	    *.o \
	    exit/*.o \
	    posix/*.o posix/sys/*.o \
	    prng/*.o \
	    stdio/*.o \
	    stdlib/*.o \
	    string/*.o \
	    sys/linux/*.o \
	    -shared

test: default crt0.o
	$(DMD) -betterC -c -version=$(VERSION) tests/tests.d -op -debug $(DMD_FLAGS)
	$(LD) -o tests.exe -static crt0.o stdio/printf.o string.o prng/rand.o stdarg.o exit/assert.o string/memcpy.o object.o posix/sys/writev.o tests/*.o #-macosx_version_min 10.7.0
	./tests.exe

.PHONY: all test clean install uninstall

all: libbutterc.so

clean:
	rm tests.exe || true
	rm *.o */*.o */*/*.o || true
	rm *.dylib || true
	rm libbutterc.so || true

install: libbutterc.so
	install -d "$(DESTDIR)$(LIBDIR)"
	install -m 644 libbutterc.so "$(DESTDIR)$(LIBDIR)/"
	@echo "Installed libbutterc.so to $(DESTDIR)$(LIBDIR)/"
	@echo "Note: System-wide installation to /usr/local may require sudo"

uninstall:
	rm -f "$(DESTDIR)$(LIBDIR)/libbutterc.so"
	@echo "Uninstalled libbutterc.so from $(DESTDIR)$(LIBDIR)/"