X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=Makefile;h=844a017647534d25452436437e85f6511046aba8;hb=11da520c7af5b190e69c0906c6e95000c4e59f33;hp=9206ca021fc4ce26fc047bc6395e94d97ca69222;hpb=804e9940049934215d2947c1068016cba852e560;p=musl

diff --git a/Makefile b/Makefile
index 9206ca02..844a0176 100644
--- a/Makefile
+++ b/Makefile
@@ -20,6 +20,7 @@ SRCS = $(sort $(wildcard src/*/*.c arch/$(ARCH)/src/*.c))
 OBJS = $(SRCS:.c=.o)
 LOBJS = $(OBJS:.o=.lo)
 GENH = include/bits/alltypes.h
+GENH_INT = src/internal/version.h
 IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h
 
 LDFLAGS = 
@@ -36,19 +37,23 @@ CFLAGS_ALL_SHARED = $(CFLAGS_ALL) -fPIC -DSHARED
 
 AR      = $(CROSS_COMPILE)ar
 RANLIB  = $(CROSS_COMPILE)ranlib
+INSTALL = ./tools/install.sh
 
 ARCH_INCLUDES = $(wildcard arch/$(ARCH)/bits/*.h)
 ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH) $(ARCH_INCLUDES:arch/$(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/Scrt1.o lib/crti.o lib/crtn.o
+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) $(EMPTY_LIBS) $(TOOL_LIBS)
 ALL_TOOLS = tools/musl-gcc
 
+WRAPCC_GCC = gcc
+WRAPCC_CLANG = clang
+
 LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1
 
 -include config.mak
@@ -63,7 +68,7 @@ clean:
 	rm -f $(LOBJS)
 	rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so
 	rm -f $(ALL_TOOLS)
-	rm -f $(GENH) 
+	rm -f $(GENH) $(GENH_INT)
 	rm -f include/bits
 
 distclean: clean
@@ -78,11 +83,18 @@ include/bits/alltypes.h.in: include/bits
 include/bits/alltypes.h: include/bits/alltypes.h.in include/alltypes.h.in tools/mkalltypes.sed
 	sed -f tools/mkalltypes.sed include/bits/alltypes.h.in include/alltypes.h.in > $@
 
-src/ldso/dynlink.lo: arch/$(ARCH)/reloc.h
+src/internal/version.h: $(wildcard VERSION .git)
+	printf '#define VERSION "%s"\n' "$$(sh tools/version.sh)" > $@
+
+src/internal/version.lo: src/internal/version.h
+
+crt/rcrt1.o src/ldso/dlstart.lo src/ldso/dynlink.lo: src/internal/dynlink.h arch/$(ARCH)/reloc.h
 
-crt/crt1.o crt/Scrt1.o: $(wildcard arch/$(ARCH)/crt_arch.h)
+crt/crt1.o crt/Scrt1.o crt/rcrt1.o src/ldso/dlstart.lo: $(wildcard arch/$(ARCH)/crt_arch.h)
 
-crt/Scrt1.o: CFLAGS += -fPIC
+crt/rcrt1.o: src/ldso/dlstart.c
+
+crt/Scrt1.o crt/rcrt1.o: CFLAGS += -fPIC
 
 OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=src/%))
 $(OPTIMIZE_SRCS:%.c=%.o) $(OPTIMIZE_SRCS:%.c=%.lo): CFLAGS += -O3
@@ -90,27 +102,52 @@ $(OPTIMIZE_SRCS:%.c=%.o) $(OPTIMIZE_SRCS:%.c=%.lo): CFLAGS += -O3
 MEMOPS_SRCS = src/string/memcpy.c src/string/memmove.c src/string/memcmp.c src/string/memset.c
 $(MEMOPS_SRCS:%.c=%.o) $(MEMOPS_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_MEMOPS)
 
-%.o: $(ARCH)$(ASMSUBARCH)/%.s
-	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
+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=%.o) $(NOSSP_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_NOSSP)
+
+$(CRT_LIBS:lib/%=crt/%): CFLAGS += -DCRT
+
+# This incantation ensures that changes to any subarch asm files will
+# force the corresponding object file to be rebuilt, even if the implicit
+# rule below goes indirectly through a .sub file.
+define mkasmdep
+$(dir $(patsubst %/,%,$(dir $(1))))$(notdir $(1:.s=.o)): $(1)
+endef
+$(foreach s,$(wildcard src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s))))
+
+# Choose invocation of assembler to be used
+# $(1) is input file, $(2) is output file, $(3) is assembler flags
+ifeq ($(ADD_CFI),yes)
+	AS_CMD = LC_ALL=C awk -f tools/add-cfi.common.awk -f tools/add-cfi.$(ARCH).awk $< | $(CC) -x assembler -c -o $@ -
+else
+	AS_CMD = $(CC) -c -o $@ $<
+endif
+
+%.o: $(ARCH)$(ASMSUBARCH)/%.sub
+	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $(dir $<)$(shell cat $<)
 
 %.o: $(ARCH)/%.s
-	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
+	$(AS_CMD) $(CFLAGS_ALL_STATIC)
 
 %.o: %.c $(GENH) $(IMPH)
 	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
 
-%.lo: $(ARCH)$(ASMSUBARCH)/%.s
-	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
+%.lo: $(ARCH)$(ASMSUBARCH)/%.sub
+	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $(dir $<)$(shell cat $<)
 
 %.lo: $(ARCH)/%.s
-	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
+	$(AS_CMD) $(CFLAGS_ALL_SHARED)
 
 %.lo: %.c $(GENH) $(IMPH)
 	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
 
 lib/libc.so: $(LOBJS)
 	$(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \
-	-Wl,-e,_start -Wl,-Bsymbolic-functions \
+	-Wl,-e,_dlstart -Wl,-Bsymbolic-functions \
 	-o $@ $(LOBJS) $(LIBCC)
 
 lib/libc.a: $(OBJS)
@@ -129,29 +166,30 @@ lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak
 	sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
 
 tools/musl-gcc: config.mak
-	printf '#!/bin/sh\nexec "$${REALGCC:-gcc}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
+	printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
+	chmod +x $@
+
+tools/%-clang: tools/%-clang.in config.mak
+	sed -e 's!@CC@!$(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 $< $@
+	$(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/%: arch/$(ARCH)/bits/%
-	install -D -m 644 $< $@
+	$(INSTALL) -D -m 644 $< $@
 
 $(DESTDIR)$(includedir)/%: include/%
-	install -D -m 644 $< $@
-
-$(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(syslibdir)
-	ln -sf $(libdir)/libc.so $@ || true
+	$(INSTALL) -D -m 644 $< $@
 
-$(DESTDIR)$(syslibdir):
-	install -d -m 755 $(DESTDIR)$(syslibdir)
+$(DESTDIR)$(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),)
 
@@ -159,8 +197,10 @@ install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%)
 
 install-tools: $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%)
 
+musl-git-%.tar.gz: .git
+	 git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@)
 
-
-.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
+musl-%.tar.gz: .git
+	 git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@)
 
 .PHONY: all clean install install-libs install-headers install-tools