| # |
| # Makefile for musl (requires GNU make) |
| # |
| # This is how simple every makefile should be... |
| # No, I take that back - actually most should be less than half this size. |
| # |
| # Use config.mak to override any of the following variables. |
| # Do not make changes here. |
| # |
| |
| exec_prefix = /usr/local |
| bindir = $(exec_prefix)/bin |
| |
| prefix = /usr/local/musl |
| includedir = $(prefix)/include |
| libdir = $(prefix)/lib |
| |
| SRCS = $(sort $(wildcard src/*/*.c)) |
| OBJS = $(SRCS:.c=.o) |
| LOBJS = $(OBJS:.o=.lo) |
| GENH = include/bits/alltypes.h |
| |
| CFLAGS = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe |
| LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions |
| INC = -I./include -I./src/internal -I./arch/$(ARCH) |
| PIC = -fPIC -O3 |
| AR = $(CROSS_COMPILE)ar |
| RANLIB = $(CROSS_COMPILE)ranlib |
| OBJCOPY = $(CROSS_COMPILE)objcopy |
| |
| ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH)) |
| |
| EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl |
| EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) |
| CRT_LIBS = lib/crt1.o lib/crti.o lib/crtn.o |
| LIBC_LIBS = lib/libc.a |
| ALL_LIBS = $(LIBC_LIBS) $(CRT_LIBS) $(EMPTY_LIBS) |
| |
| ALL_TOOLS = tools/musl-gcc |
| |
| -include config.mak |
| |
| all: $(ALL_LIBS) $(ALL_TOOLS) |
| |
| install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%) |
| |
| clean: |
| rm -f crt/*.o |
| rm -f $(OBJS) |
| rm -f $(LOBJS) |
| rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so |
| rm -f $(ALL_TOOLS) |
| rm -f $(GENH) |
| rm -f include/bits |
| |
| include/bits: |
| @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; } |
| ln -sf ../arch/$(ARCH)/bits $@ |
| |
| include/bits/alltypes.h.sh: include/bits |
| |
| include/bits/alltypes.h: include/bits/alltypes.h.sh |
| sh $< > $@ |
| |
| %.o: $(ARCH)/%.s |
| $(CC) $(CFLAGS) $(INC) -c -o $@ $< |
| |
| %.o: %.c $(GENH) |
| $(CC) $(CFLAGS) $(INC) -c -o $@ $< |
| |
| %.lo: $(ARCH)/%.s |
| $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $< |
| |
| %.lo: %.c $(GENH) |
| $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $< |
| |
| lib/libc.so: $(LOBJS) |
| $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc |
| $(OBJCOPY) --weaken $@ |
| |
| lib/libc.a: $(OBJS) |
| rm -f $@ |
| $(AR) rc $@ $(OBJS) |
| $(RANLIB) $@ |
| |
| $(EMPTY_LIBS): |
| rm -f $@ |
| $(AR) rc $@ |
| |
| lib/%.o: crt/%.o |
| cp $< $@ |
| |
| tools/musl-gcc: tools/gen-musl-gcc.sh config.mak |
| sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; } |
| chmod +x $@ |
| |
| $(DESTDIR)$(bindir)/%: tools/% |
| install -D $< $@ |
| |
| $(DESTDIR)$(prefix)/%: % |
| install -D -m 644 $< $@ |
| |
| .PRECIOUS: $(CRT_LIBS:lib/%=crt/%) |
| |
| .PHONY: all clean install |