# Do not make changes here.
#
+srcdir = .
exec_prefix = /usr/local
bindir = $(exec_prefix)/bin
libdir = $(prefix)/lib
syslibdir = /lib
-SRCS = $(sort $(wildcard src/*/*.c))
-OBJS = $(SRCS:.c=.o)
+BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c))
+BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
+ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS])
+ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))
+REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS)))
+OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS))))
LOBJS = $(OBJS:.o=.lo)
-GENH = include/bits/alltypes.h
+GENH = obj/include/bits/alltypes.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/$(ARCH) -Iobj/src/internal -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
+CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS)
+
+LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS)
-CFLAGS = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe
-LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions
-INC = -I./src/internal -I./include -I./arch/$(ARCH)
-PIC = -fPIC -O3
AR = $(CROSS_COMPILE)ar
RANLIB = $(CROSS_COMPILE)ranlib
+INSTALL = $(srcdir)/tools/install.sh
-ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH))
+ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h)
+INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h)
+ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%))
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
-STATIC_LIBS = lib/libc.a $(EMPTY_LIBS)
+CRT_LIBS = lib/crt1.o lib/Scrt1.o lib/rcrt1.o lib/crti.o lib/crtn.o
+STATIC_LIBS = lib/libc.a
SHARED_LIBS = lib/libc.so
TOOL_LIBS = lib/musl-gcc.specs
-ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(TOOL_LIBS)
-ALL_TOOLS = tools/musl-gcc
+ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS)
+ALL_TOOLS = obj/musl-gcc
-LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH).so.1
+WRAPCC_GCC = gcc
+WRAPCC_CLANG = clang
+
+LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1
-include config.mak
+ifeq ($(ARCH),)
+$(error Please set ARCH in config.mak before running make.)
+endif
+
all: $(ALL_LIBS) $(ALL_TOOLS)
-install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),)
+OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(OBJS) $(GENH) $(GENH_INT))) $(addprefix obj/, crt crt/$(ARCH) include))
+
+$(ALL_LIBS) $(ALL_TOOLS) $(CRT_LIBS:lib/%=obj/crt/%) $(OBJS) $(LOBJS) $(GENH) $(GENH_INT): | $(OBJ_DIRS)
+
+$(OBJ_DIRS):
+ mkdir -p $@
+
+install: install-libs install-headers install-tools
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
+ rm -rf obj lib
+
+distclean: clean
+ rm -f config.mak
+
+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/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/src/ldso/dlstart.lo obj/src/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/src/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h
+
+obj/crt/rcrt1.o: $(srcdir)/src/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
-include/bits:
- @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; }
- ln -sf ../arch/$(ARCH)/bits $@
+OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
+$(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
-include/bits/alltypes.h.sh: include/bits
+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)
-include/bits/alltypes.h: include/bits/alltypes.h.sh
- sh $< > $@
+NOSSP_SRCS = $(wildcard crt/*.c) \
+ src/env/__libc_start_main.c src/env/__init_tls.c \
+ src/thread/__set_thread_area.c src/env/__stack_chk_fail.c \
+ src/string/memset.c src/string/memcpy.c \
+ src/ldso/dlstart.c src/ldso/dynlink.c
+$(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP)
-%.o: $(ARCH)/%.s
- $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+$(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT
-%.o: %.c $(GENH)
- $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+$(LOBJS): CFLAGS_ALL += -fPIC -DSHARED
-%.lo: $(ARCH)/%.s
- $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $<
-%.lo: %.c $(GENH)
- $(CC) $(CFLAGS) $(INC) $(PIC) -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)
- $(CC) $(LDFLAGS) -Wl,-soname=libc.so -o $@ $(LOBJS) -lgcc
+ $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \
+ -Wl,-e,_dlstart -Wl,-Bsymbolic-functions \
+ -o $@ $(LOBJS) $(LIBCC)
lib/libc.a: $(OBJS)
rm -f $@
rm -f $@
$(AR) rc $@
-lib/%.o: crt/%.o
+lib/%.o: obj/crt/%.o
+ cp $< $@
+
+lib/crti.o: obj/crt/$(ARCH)/crti.o
+ cp $< $@
+
+lib/crtn.o: obj/crt/$(ARCH)/crtn.o
cp $< $@
-lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak
+lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak
sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
-tools/musl-gcc: config.mak
- printf '#!/bin/sh\nexec gcc "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
+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)/%: tools/%
- install -D $< $@
+$(DESTDIR)$(bindir)/%: obj/%
+ $(INSTALL) -D $< $@
$(DESTDIR)$(libdir)/%.so: lib/%.so
- install -D -m 755 $< $@
+ $(INSTALL) -D -m 755 $< $@
$(DESTDIR)$(libdir)/%: lib/%
- install -D -m 644 $< $@
+ $(INSTALL) -D -m 644 $< $@
+
+$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/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)$(includedir)/%)
-$(DESTDIR)$(includedir)/%: include/%
- install -D -m 644 $< $@
+install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%)
-$(DESTDIR)$(LDSO_PATHNAME): lib/libc.so
- install -d -m 755 $(DESTDIR)$(syslibdir) || true
- ln -sf $(libdir)/libc.so $@ || true
+musl-git-%.tar.gz: .git
+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@)
-.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
+musl-%.tar.gz: .git
+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@)
-.PHONY: all clean install
+.PHONY: all clean install install-libs install-headers install-tools
projects / oweals / musl.git / blobdiff