| # |
| # 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. |
| # |
| |
| srcdir = . |
| exec_prefix = /usr/local |
| bindir = $(exec_prefix)/bin |
| |
| prefix = /usr/local/musl |
| includedir = $(prefix)/include |
| libdir = $(prefix)/lib |
| syslibdir = /lib |
| |
| SRC_DIRS = $(addprefix $(srcdir)/,src/* crt ldso) |
| BASE_GLOBS = $(addsuffix /*.c,$(SRC_DIRS)) |
| ARCH_GLOBS = $(addsuffix /$(ARCH)/*.[csS],$(SRC_DIRS)) |
| BASE_SRCS = $(sort $(wildcard $(BASE_GLOBS))) |
| ARCH_SRCS = $(sort $(wildcard $(ARCH_GLOBS))) |
| BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS))) |
| ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS))) |
| REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS))) |
| ALL_OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS)))) |
| |
| LIBC_OBJS = $(filter obj/src/%,$(ALL_OBJS)) |
| LDSO_OBJS = $(filter obj/ldso/%,$(ALL_OBJS:%.o=%.lo)) |
| CRT_OBJS = $(filter obj/crt/%,$(ALL_OBJS)) |
| |
| AOBJS = $(LIBC_OBJS) |
| LOBJS = $(LIBC_OBJS:.o=.lo) |
| GENH = obj/include/bits/alltypes.h obj/include/bits/syscall.h |
| GENH_INT = obj/src/internal/version.h |
| IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h) |
| |
| LDFLAGS = |
| LDFLAGS_AUTO = |
| LIBCC = -lgcc |
| CPPFLAGS = |
| CFLAGS = |
| CFLAGS_AUTO = -Os -pipe |
| CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc |
| |
| CFLAGS_ALL = $(CFLAGS_C99FSE) |
| CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include |
| CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS) |
| |
| LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS) |
| |
| AR = $(CROSS_COMPILE)ar |
| RANLIB = $(CROSS_COMPILE)ranlib |
| INSTALL = $(srcdir)/tools/install.sh |
| |
| ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h) |
| GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h) |
| INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h) |
| ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%)) |
| |
| EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl |
| EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) |
| CRT_LIBS = $(addprefix lib/,$(notdir $(CRT_OBJS))) |
| STATIC_LIBS = lib/libc.a |
| SHARED_LIBS = lib/libc.so |
| TOOL_LIBS = lib/musl-gcc.specs |
| ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS) |
| ALL_TOOLS = obj/musl-gcc |
| |
| WRAPCC_GCC = gcc |
| WRAPCC_CLANG = clang |
| |
| LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1 |
| |
| -include config.mak |
| |
| ifeq ($(ARCH),) |
| |
| all: |
| @echo "Please set ARCH in config.mak before running make." |
| @exit 1 |
| |
| else |
| |
| all: $(ALL_LIBS) $(ALL_TOOLS) |
| |
| OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(GENH) $(GENH_INT))) obj/include) |
| |
| $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): | $(OBJ_DIRS) |
| |
| $(OBJ_DIRS): |
| mkdir -p $@ |
| |
| obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed |
| sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@ |
| |
| obj/include/bits/syscall.h: $(srcdir)/arch/$(ARCH)/bits/syscall.h.in |
| cp $< $@ |
| sed -n -e s/__NR_/SYS_/p < $< >> $@ |
| |
| obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git) |
| printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@ |
| |
| obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h |
| |
| obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h |
| |
| obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h |
| |
| obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c |
| |
| obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC |
| |
| obj/crt/$(ARCH)/crti.o: $(srcdir)/crt/$(ARCH)/crti.s |
| |
| obj/crt/$(ARCH)/crtn.o: $(srcdir)/crt/$(ARCH)/crtn.s |
| |
| OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%)) |
| $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3 |
| |
| MEMOPS_SRCS = src/string/memcpy.c src/string/memmove.c src/string/memcmp.c src/string/memset.c |
| $(MEMOPS_SRCS:%.c=obj/%.o) $(MEMOPS_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) |
| |
| NOSSP_SRCS = $(wildcard crt/*.c) \ |
| src/env/__libc_start_main.c src/env/__init_tls.c \ |
| src/env/__stack_chk_fail.c \ |
| src/thread/__set_thread_area.c src/thread/$(ARCH)/__set_thread_area.c \ |
| src/string/memset.c src/string/$(ARCH)/memset.c \ |
| src/string/memcpy.c src/string/$(ARCH)/memcpy.c \ |
| ldso/dlstart.c ldso/dynlink.c |
| $(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) |
| |
| $(CRT_OBJS): CFLAGS_ALL += -DCRT |
| |
| $(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC |
| |
| CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $< |
| |
| # Choose invocation of assembler to be used |
| ifeq ($(ADD_CFI),yes) |
| AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(ARCH).awk $< | $(CC) $(CFLAGS_ALL) -x assembler -c -o $@ - |
| else |
| AS_CMD = $(CC_CMD) |
| endif |
| |
| obj/%.o: $(srcdir)/%.s |
| $(AS_CMD) |
| |
| obj/%.o: $(srcdir)/%.S |
| $(CC_CMD) |
| |
| obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH) |
| $(CC_CMD) |
| |
| obj/%.lo: $(srcdir)/%.s |
| $(AS_CMD) |
| |
| obj/%.lo: $(srcdir)/%.S |
| $(CC_CMD) |
| |
| obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH) |
| $(CC_CMD) |
| |
| lib/libc.so: $(LOBJS) $(LDSO_OBJS) |
| $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \ |
| -Wl,-e,_dlstart -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC) |
| |
| lib/libc.a: $(AOBJS) |
| rm -f $@ |
| $(AR) rc $@ $(AOBJS) |
| $(RANLIB) $@ |
| |
| $(EMPTY_LIBS): |
| rm -f $@ |
| $(AR) rc $@ |
| |
| lib/%.o: obj/crt/$(ARCH)/%.o |
| cp $< $@ |
| |
| lib/%.o: obj/crt/%.o |
| cp $< $@ |
| |
| lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak |
| sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@ |
| |
| obj/musl-gcc: config.mak |
| printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@ |
| chmod +x $@ |
| |
| obj/%-clang: $(srcdir)/tools/%-clang.in config.mak |
| sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@ |
| chmod +x $@ |
| |
| $(DESTDIR)$(bindir)/%: obj/% |
| $(INSTALL) -D $< $@ |
| |
| $(DESTDIR)$(libdir)/%.so: lib/%.so |
| $(INSTALL) -D -m 755 $< $@ |
| |
| $(DESTDIR)$(libdir)/%: lib/% |
| $(INSTALL) -D -m 644 $< $@ |
| |
| $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/% |
| $(INSTALL) -D -m 644 $< $@ |
| |
| $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/% |
| $(INSTALL) -D -m 644 $< $@ |
| |
| $(DESTDIR)$(includedir)/bits/%: obj/include/bits/% |
| $(INSTALL) -D -m 644 $< $@ |
| |
| $(DESTDIR)$(includedir)/%: $(srcdir)/include/% |
| $(INSTALL) -D -m 644 $< $@ |
| |
| $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so |
| $(INSTALL) -D -l $(libdir)/libc.so $@ || true |
| |
| install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),) |
| |
| install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) |
| |
| install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%) |
| |
| install: install-libs install-headers install-tools |
| |
| musl-git-%.tar.gz: .git |
| git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) |
| |
| musl-%.tar.gz: .git |
| git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) |
| |
| endif |
| |
| clean: |
| rm -rf obj lib |
| |
| distclean: clean |
| rm -f config.mak |
| |
| .PHONY: all clean install install-libs install-headers install-tools |