# 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 $(COMPAT_SRC_DIRS))
+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)) $(filter obj/compat/%,$(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/locale_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$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
+CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS)
+
+LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS)
-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
+INSTALL = $(srcdir)/tools/install.sh
-ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH))
+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
+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)
+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
-ALL_TOOLS = tools/musl-gcc
+LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1
-include config.mak
+-include $(srcdir)/arch/$(ARCH)/arch.mak
+
+ifeq ($(ARCH),)
+
+all:
+ @echo "Please set ARCH in config.mak before running make."
+ @exit 1
+
+else
all: $(ALL_LIBS) $(ALL_TOOLS)
-install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%)
+OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(GENH) $(GENH_INT))) obj/include)
-clean:
- rm -f crt/*.o
- rm -f $(OBJS)
- rm -f $(LOBJS)
- rm -f $(ALL_LIBS) lib/*
- rm -f $(ALL_TOOLS)
- rm -f $(GENH)
+$(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
+
+OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
+$(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
+
+MEMOPS_OBJS = $(filter %/memcpy.o %/memmove.o %/memcmp.o %/memset.o, $(LIBC_OBJS))
+$(MEMOPS_OBJS) $(MEMOPS_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS)
+
+NOSSP_OBJS = $(CRT_OBJS) $(LDSO_OBJS) $(filter \
+ %/__libc_start_main.o %/__init_tls.o %/__stack_chk_fail.o \
+ %/__set_thread_area.o %/memset.o %/memcpy.o \
+ , $(LIBC_OBJS))
+$(NOSSP_OBJS) $(NOSSP_OBJS:%.o=%.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
-include/bits/alltypes.h: include/bits/alltypes.h.sh
- sh $< > $@
+obj/%.o: $(srcdir)/%.s
+ $(AS_CMD)
-%.o: $(ARCH)/%.s
- $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+obj/%.o: $(srcdir)/%.S
+ $(CC_CMD)
-%.o: %.c $(GENH)
- $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH)
+ $(CC_CMD)
-%.lo: $(ARCH)/%.s
- $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+obj/%.lo: $(srcdir)/%.s
+ $(AS_CMD)
-%.lo: %.c $(GENH)
- $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+obj/%.lo: $(srcdir)/%.S
+ $(CC_CMD)
-lib/libc.so: $(LOBJS)
- $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
- $(OBJCOPY) --weaken $@
+obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH)
+ $(CC_CMD)
-lib/libc.a: $(OBJS)
+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 $@ $(OBJS)
+ $(AR) rc $@ $(AOBJS)
$(RANLIB) $@
$(EMPTY_LIBS):
+ rm -f $@
$(AR) rc $@
-lib/%.o: crt/%.o
+lib/%.o: obj/crt/$(ARCH)/%.o
+ cp $< $@
+
+lib/%.o: obj/crt/%.o
cp $< $@
-tools/musl-gcc: tools/gen-musl-gcc.sh config.mak
- sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; }
+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 $@
-$(DESTDIR)$(bindir)/%: tools/%
- install -D $< $@
+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)$(prefix)/%: %
- 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
-.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
+distclean: clean
+ rm -f config.mak
-.PHONY: all clean install
+.PHONY: all clean install install-libs install-headers install-tools
projects / oweals / musl.git / blobdiff