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# # 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 -Wl,-Bsymbolic INC = -I./include -I./src/internal PIC = -fPIC 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 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/* rm -f $(ALL_TOOLS) rm -f $(GENH) 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): $(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 |