diff options
| -rw-r--r-- | .gitignore | 5 | ||||
| -rw-r--r-- | Makefile | 126 | ||||
| -rwxr-xr-x | configure | 30 |
3 files changed, 101 insertions, 60 deletions
@@ -5,9 +5,6 @@ *.so.1 arch/*/bits/alltypes.h config.mak -include/bits -tools/musl-gcc -tools/musl-clang -tools/ld.musl-clang lib/musl-gcc.specs src/internal/version.h +/obj/ @@ -8,6 +8,7 @@ # Do not make changes here. # +srcdir = . exec_prefix = /usr/local bindir = $(exec_prefix)/bin @@ -16,12 +17,16 @@ includedir = $(prefix)/include libdir = $(prefix)/lib syslibdir = /lib -SRCS = $(sort $(wildcard src/*/*.c arch/$(ARCH)/src/*.c)) -OBJS = $(SRCS:.c=.o) +BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c $(srcdir)/arch/$(ARCH)/src/*.c)) +BASE_OBJS = $(patsubst $(srcdir)/%.c,%.o,$(BASE_SRCS)) +ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.s $(srcdir)/src/*/$(ARCH)$(ASMSUBARCH)/*.sub) +ARCH_OBJS = $(patsubst $(srcdir)/%.sub,%.o,$(patsubst $(srcdir)/%.s,%.o,$(ARCH_SRCS))) +REPLACED_OBJS = $(sort $(subst /$(ARCH)$(ASMSUBARCH)/,/,$(subst /$(ARCH)/,/,$(ARCH_OBJS))) $(subst /$(ARCH)$(ASMSUBARCH)/,/$(ARCH)/,$(subst /$(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_INT = src/internal/version.h -IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.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 = @@ -32,7 +37,7 @@ CFLAGS_AUTO = -Os -pipe CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc CFLAGS_ALL = $(CFLAGS_C99FSE) -CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I./arch/$(ARCH) -I./src/internal -I./include +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) CFLAGS_ALL_STATIC = $(CFLAGS_ALL) CFLAGS_ALL_SHARED = $(CFLAGS_ALL) -fPIC -DSHARED @@ -41,10 +46,11 @@ LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS) AR = $(CROSS_COMPILE)ar RANLIB = $(CROSS_COMPILE)ranlib -INSTALL = ./tools/install.sh +INSTALL = $(srcdir)/tools/install.sh -ARCH_INCLUDES = $(wildcard arch/$(ARCH)/bits/*.h) -ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH) $(ARCH_INCLUDES:arch/$(ARCH)/%=include/%)) +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) @@ -53,7 +59,7 @@ 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 +ALL_TOOLS = obj/musl-gcc WRAPCC_GCC = gcc WRAPCC_CLANG = clang @@ -62,91 +68,100 @@ 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) +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 $@ + install: install-libs install-headers install-tools clean: - rm -f crt/*.o + rm -f obj/crt/*.o obj/crt/$(ARCH)/*.o rm -f $(OBJS) rm -f $(LOBJS) rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so rm -f $(ALL_TOOLS) rm -f $(GENH) $(GENH_INT) - rm -f include/bits + rm -f obj/include/bits/alltypes.h distclean: clean rm -f config.mak -include/bits: - @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; } - ln -sf ../arch/$(ARCH)/bits $@ +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 > $@ -include/bits/alltypes.h.in: include/bits +obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git) + printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@ -include/bits/alltypes.h: include/bits/alltypes.h.in include/alltypes.h.in tools/mkalltypes.sed - sed -f tools/mkalltypes.sed include/bits/alltypes.h.in include/alltypes.h.in > $@ +obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h -src/internal/version.h: $(wildcard VERSION .git) - printf '#define VERSION "%s"\n' "$$(sh tools/version.sh)" > $@ +obj/crt/rcrt1.o obj/src/ldso/dlstart.lo obj/src/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h -src/internal/version.o src/internal/version.lo: src/internal/version.h +obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/src/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h -crt/rcrt1.o src/ldso/dlstart.lo src/ldso/dynlink.lo: src/internal/dynlink.h arch/$(ARCH)/reloc.h +obj/crt/rcrt1.o: $(srcdir)/src/ldso/dlstart.c -crt/crt1.o crt/Scrt1.o crt/rcrt1.o src/ldso/dlstart.lo: $(wildcard arch/$(ARCH)/crt_arch.h) +obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC -crt/rcrt1.o: src/ldso/dlstart.c +obj/crt/$(ARCH)/crti.o: $(srcdir)/crt/$(ARCH)/crti.s -crt/Scrt1.o crt/rcrt1.o: CFLAGS_ALL += -fPIC +obj/crt/$(ARCH)/crtn.o: $(srcdir)/crt/$(ARCH)/crtn.s -OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=src/%)) -$(OPTIMIZE_SRCS:%.c=%.o) $(OPTIMIZE_SRCS:%.c=%.lo): CFLAGS += -O3 +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=%.o) $(MEMOPS_SRCS:%.c=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) +$(MEMOPS_SRCS:%.c=obj/%.o) $(MEMOPS_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) NOSSP_SRCS = $(wildcard crt/*.c) \ src/env/__libc_start_main.c src/env/__init_tls.c \ src/thread/__set_thread_area.c src/env/__stack_chk_fail.c \ src/string/memset.c src/string/memcpy.c \ src/ldso/dlstart.c src/ldso/dynlink.c -$(NOSSP_SRCS:%.c=%.o) $(NOSSP_SRCS:%.c=%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) +$(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) -$(CRT_LIBS:lib/%=crt/%): CFLAGS_ALL += -DCRT +$(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT # This incantation ensures that changes to any subarch asm files will # force the corresponding object file to be rebuilt, even if the implicit # rule below goes indirectly through a .sub file. define mkasmdep -$(dir $(patsubst %/,%,$(dir $(1))))$(notdir $(1:.s=.o)): $(1) +$(patsubst $(srcdir)/%,obj/%,$(dir $(patsubst %/,%,$(dir $(1))))$(ARCH)$(ASMSUBARCH)/$(notdir $(1:.s=.o))): $(1) endef -$(foreach s,$(wildcard src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s)))) +$(foreach s,$(wildcard $(srcdir)/src/*/$(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 $@ - + AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(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 $<) +obj/%.o: $(srcdir)/%.sub + $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $(dir $<)$$(cat $<) -%.o: $(ARCH)/%.s +obj/%.o: $(srcdir)/%.s $(AS_CMD) $(CFLAGS_ALL_STATIC) -%.o: %.c $(GENH) $(IMPH) +obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH) $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $< -%.lo: $(ARCH)$(ASMSUBARCH)/%.sub - $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $(dir $<)$(shell cat $<) +obj/%.lo: $(srcdir)/%.sub + $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $(dir $<)$$(cat $<) -%.lo: $(ARCH)/%.s +obj/%.lo: $(srcdir)/%.s $(AS_CMD) $(CFLAGS_ALL_SHARED) -%.lo: %.c $(GENH) $(IMPH) +obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH) $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $< lib/libc.so: $(LOBJS) @@ -163,21 +178,27 @@ $(EMPTY_LIBS): rm -f $@ $(AR) rc $@ -lib/%.o: crt/%.o +lib/%.o: obj/crt/%.o cp $< $@ -lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak +lib/crti.o: obj/crt/$(ARCH)/crti.o + cp $< $@ + +lib/crtn.o: obj/crt/$(ARCH)/crtn.o + cp $< $@ + +lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@ -tools/musl-gcc: config.mak +obj/musl-gcc: config.mak printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@ chmod +x $@ -tools/%-clang: tools/%-clang.in config.mak +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)$(bindir)/%: tools/% +$(DESTDIR)$(bindir)/%: obj/% $(INSTALL) -D $< $@ $(DESTDIR)$(libdir)/%.so: lib/%.so @@ -186,10 +207,13 @@ $(DESTDIR)$(libdir)/%.so: lib/%.so $(DESTDIR)$(libdir)/%: lib/% $(INSTALL) -D -m 644 $< $@ -$(DESTDIR)$(includedir)/bits/%: arch/$(ARCH)/bits/% +$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(includedir)/bits/%: obj/include/bits/% $(INSTALL) -D -m 644 $< $@ -$(DESTDIR)$(includedir)/%: include/% +$(DESTDIR)$(includedir)/%: $(srcdir)/include/% $(INSTALL) -D -m 644 $< $@ $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so @@ -199,12 +223,12 @@ install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DEST install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) -install-tools: $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%) +install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%) musl-git-%.tar.gz: .git - git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) + git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) musl-%.tar.gz: .git - git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) + git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) .PHONY: all clean install install-libs install-headers install-tools @@ -9,6 +9,9 @@ VAR=VALUE. See below for descriptions of some of the useful variables. Defaults for the options are specified in brackets. +Configuration: + --srcdir=DIR source directory [detected] + Installation directories: --prefix=PREFIX main installation prefix [/usr/local/musl] --exec-prefix=EPREFIX installation prefix for executable files [PREFIX] @@ -117,6 +120,7 @@ CFLAGS_TRY= LDFLAGS_AUTO= LDFLAGS_TRY= OPTIMIZE_GLOBS= +srcdir= prefix=/usr/local/musl exec_prefix='$(prefix)' bindir='$(exec_prefix)/bin' @@ -139,6 +143,7 @@ clang_wrapper=no for arg ; do case "$arg" in --help) usage ;; +--srcdir=*) srcdir=${arg#*=} ;; --prefix=*) prefix=${arg#*=} ;; --exec-prefix=*) exec_prefix=${arg#*=} ;; --bindir=*) bindir=${arg#*=} ;; @@ -179,11 +184,23 @@ LIBCC=*) LIBCC=${arg#*=} ;; esac done -for i in prefix exec_prefix bindir libdir includedir syslibdir ; do +for i in srcdir prefix exec_prefix bindir libdir includedir syslibdir ; do stripdir $i done # +# Get the source dir for out-of-tree builds +# +if test -z "$srcdir" ; then +srcdir="${0%/configure}" +stripdir srcdir +fi +abs_builddir="$(pwd)" || fail "$0: cannot determine working directory" +abs_srcdir="$(cd $srcdir && pwd)" || fail "$0: invalid source directory $srcdir" +test "$abs_srcdir" = "$abs_builddir" && srcdir=. +test "$srcdir" != "." -a -f Makefile -a ! -h Makefile && fail "$0: Makefile already exists in the working directory" + +# # Get a temp filename we can use # i=0 @@ -263,11 +280,11 @@ fi fi if test "$gcc_wrapper" = yes ; then -tools="$tools tools/musl-gcc" +tools="$tools obj/musl-gcc" tool_libs="$tool_libs lib/musl-gcc.specs" fi if test "$clang_wrapper" = yes ; then -tools="$tools tools/musl-clang tools/ld.musl-clang" +tools="$tools obj/musl-clang obj/ld.musl-clang" fi # @@ -321,7 +338,7 @@ __attribute__((__may_alias__)) #endif x; EOF -if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \ +if $CC $CFLAGS_C99FSE -I$srcdir/arch/$ARCH -I$srcdir/include $CPPFLAGS $CFLAGS \ -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then printf "no\n" else @@ -625,7 +642,7 @@ echo '#include <float.h>' > "$tmpc" echo '#if LDBL_MANT_DIG == 53' >> "$tmpc" echo 'typedef char ldcheck[9-(int)sizeof(long double)];' >> "$tmpc" echo '#endif' >> "$tmpc" -if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \ +if $CC $CFLAGS_C99FSE -I$srcdir/arch/$ARCH -I$srcdir/include $CPPFLAGS $CFLAGS \ -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then printf "yes\n" else @@ -648,6 +665,7 @@ cat << EOF ARCH = $ARCH SUBARCH = $SUBARCH ASMSUBARCH = $ASMSUBARCH +srcdir = $srcdir prefix = $prefix exec_prefix = $exec_prefix bindir = $bindir @@ -676,4 +694,6 @@ test "x$cc_family" = xgcc && echo 'WRAPCC_GCC = $(CC)' test "x$cc_family" = xclang && echo 'WRAPCC_CLANG = $(CC)' exec 1>&3 3>&- +test "$srcdir" = "." || ln -sf $srcdir/Makefile . + printf "done\n" |