X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=Makerules;h=e449dae1d71a88b367064e22a6958f585b055a6d;hb=49d8a0e9c6e32701c7eca91a1204237d3a334e38;hp=b00623088527c9ec4e0ab407b377544018b92466;hpb=0ee2f561e7fb3aed126daf57aaee5c3fa8b05f02;p=uclinux-h8%2FuClibc.git diff --git a/Makerules b/Makerules index b00623088..e449dae1d 100644 --- a/Makerules +++ b/Makerules @@ -2,115 +2,297 @@ # Licensed under LGPL v2.1, see the file COPYING.LIB in this tarball for details. # -.SUFFIXES: .c .S .o .os .oS .so .a .s .i .E +.SUFFIXES: .c .S .o .os .oS .so .a .s .i + +PHONY := FORCE + +.PHONY: dummy $(PHONY) subdirs \ + all check test $(clean_targets) \ + config dist menuconfig oldconfig release \ + utils help # order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a ifeq ($(HAVE_SHARED),y) .LIBPATTERNS: "lib%.so" libs: $(lib-so-y) $(lib-a-y) -$(lib-so-y): $(interp) +$(lib-so-y): | $(interp) else .LIBPATTERNS: "lib%.a" +ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y) +libs: $(lib-gdb-y) +endif libs: $(lib-a-y) endif objs: all_objs -shared_objs = $(ldso-y) $(libc-so-y) $(libc-nonshared-y) $(libdl-so-y) -shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) -shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y) -ar_objs = $(libc-a-y) $(libdl-a-y) $(libcrypt-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y) -ar_objs += $(libpthread-a-y) $(libthread_db-a-y) $(libresolv-a-y) $(librt-a-y) $(libutil-a-y) +shared_objs = $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) \ + $(libcrypt-so-y) $(libdl-so-y) \ + $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) \ + $(libpthread-so-y) $(libpthread-nonshared-y) $(libthread_db-so-y) \ + $(libresolv-so-y) $(librt-so-y) \ + $(ldso-y) \ + $(libutil-so-y) + +ar_objs = $(libc-y) $(libc-static-y) $(libcrypt-a-y) \ + $(libdl-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y) \ + $(libpthread-a-y) $(libthread_db-a-y) \ + $(libresolv-a-y) $(librt-a-y) $(libutil-a-y) ifeq ($(DOPIC),y) ar_objs := $(ar_objs:.o=.os) endif +flat_objs = $(lib-gdb-y) ifeq ($(HAVE_SHARED),y) all_objs: $(sort $(shared_objs) $(ar_objs)) else all_objs: $(ar_objs) endif +$(shared_objs) $(ar_objs): | $(sub_headers) headers-y: $(headers-y) + @true +MAKEFLAGS += --no-print-directory +SHELL_SET_X := set +x +define rel_srcdir + $(shell $(CONFIG_SHELL) $(top_srcdir)/extra/scripts/relative_path.sh $(@D) .) +endef ifneq ($(findstring s,$(MAKEFLAGS)),) +export MAKE_IS_SILENT := y +SECHO := -@false DISP := sil Q := @ else +export MAKE_IS_SILENT := n +SECHO := @echo ifneq ($(V)$(VERBOSE),) +SHELL_SET_X := set -x DISP := ver -Q := +Q := else DISP := pur Q := @ endif endif -show_objs = $(subst ../,,$@) +show_objs = $(subst $(top_builddir),,$(subst ../,,$@)) pur_disp_compile.c = echo " "CC $(show_objs) +pur_disp_compile.i = echo " "CPP $(show_objs) +pur_disp_compile.s = echo " "CC-S $(show_objs) +pur_disp_compile.u = echo " "CC $(show_objs) pur_disp_compile.S = echo " "AS $(show_objs) pur_disp_compile.m = $(pur_disp_compile.c) +pur_disp_compile.mi= echo " "CPP-m $(show_objs) pur_disp_compile-m = echo " "CC-m $(show_objs) +pur_disp_hcompile.u= echo " "HOSTCC $(show_objs) +pur_disp_hcompile.o= echo " "HOSTCC-o $(show_objs) pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@ +pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@ pur_disp_ar = echo " "AR $(ARFLAGS) $@ pur_disp_ld = echo " "LD $(1) +pur_disp_ln = echo " "LN $(show_objs) +pur_disp_mkdir = echo " "MKDIR $(show_objs) +pur_disp_gen = echo " "GEN $(show_objs) +pur_disp_unifdef = echo " "UNIFDEF $(show_objs) +pur_disp_rm = echo " "CLEAN $(@:_clean=) sil_disp_compile.c = true +sil_disp_compile.i = true +sil_disp_compile.s = true +sil_disp_compile.u = true sil_disp_compile.S = true sil_disp_compile.m = true +sil_disp_compile.mi= true sil_disp_compile-m = true +sil_disp_hcompile.u= true +sil_disp_hcompile.o= true sil_disp_strip = true +sil_disp_t_strip = true sil_disp_ar = true sil_disp_ld = true +sil_disp_ln = true +sil_disp_mkdir = true +sil_disp_gen = true +sil_disp_unifdef = true +sil_disp_rm = true ver_disp_compile.c = echo $(cmd_compile.c) +ver_disp_compile.i = echo $(cmd_compile.i) +ver_disp_compile.s = echo $(cmd_compile.s) +ver_disp_compile.u = echo $(cmd_compile.u) ver_disp_compile.S = echo $(cmd_compile.S) ver_disp_compile.m = echo $(cmd_compile.m) +ver_disp_compile.mi= echo $(cmd_compile.mi) ver_disp_compile-m = echo $(cmd_compile-m) +ver_disp_hcompile.u= echo $(cmd_hcompile.u) +ver_disp_hcompile.o= echo $(cmd_hcompile.o) ver_disp_strip = echo $(cmd_strip) +ver_disp_t_strip = echo $(cmd_t_strip) ver_disp_ar = echo $(cmd_ar) -ver_disp_ld = +ver_disp_ld = +ver_disp_ln = +ver_disp_mkdir = +ver_disp_gen = +ver_disp_unifdef = echo $(cmd_unifdef) +ver_disp_rm = disp_compile.c = $($(DISP)_disp_compile.c) +disp_compile.i = $($(DISP)_disp_compile.i) +disp_compile.s = $($(DISP)_disp_compile.s) +disp_compile.u = $($(DISP)_disp_compile.u) disp_compile.S = $($(DISP)_disp_compile.S) disp_compile.m = $($(DISP)_disp_compile.m) +disp_compile.mi= $($(DISP)_disp_compile.mi) disp_compile-m = $($(DISP)_disp_compile-m) +disp_hcompile.u= $($(DISP)_disp_hcompile.u) +disp_hcompile.o= $($(DISP)_disp_hcompile.o) disp_strip = $($(DISP)_disp_strip) +disp_t_strip = $($(DISP)_disp_t_strip) disp_ar = $($(DISP)_disp_ar) disp_ld = $($(DISP)_disp_ld) - -cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) $(CFLAGS-$(notdir $<)) $(CFLAGS-$(notdir $@)) -cmd_compile.S = $(cmd_compile.c) $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@)) +disp_ln = $($(DISP)_disp_ln) +disp_mkdir = $($(DISP)_disp_mkdir) +disp_gen = $($(DISP)_disp_gen) +disp_unifdef = $($(DISP)_disp_unifdef) +disp_rm = $($(DISP)_disp_rm) + +any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) + +# ../foo/bar/baz.ext -> foo_bar_baz.ext +variablify = $(subst /,_,$(subst $(top_builddir),,$(1))) +# strip the top_builddir off everything to make the *string* idempotent for -C +dirify = $(subst $(top_builddir),,$(patsubst -L$(top_builddir)%,-L%,$(patsubst -I$(top_builddir)%,-I%,$(1)))) + +# True if not identical. Neither order nor whitespace nor identical flags +# matter. +compare_flags = \ + $(strip $(filter-out $(call dirify,$(cmd_$(call variablify,$(1)))), \ + $(call dirify,$(cmd_$(call variablify,$(@))))) \ + $(filter-out $(call dirify,$(cmd_$(call variablify,$(@)))), \ + $(call dirify,$(cmd_$(call variablify,$(1)))))) + +# Rebuild if any prerequisite, the used CC or flags changed. +# Previously used flags are stored in the corresponding .%.dep files +maybe_exec = \ + $(if $(strip $(compare_flags) $(any-prereq)), \ + @set -e; \ + $(disp_$(1)); \ + $(cmd_$(1)); \ + echo 'cmd_$(call variablify,$@) := $(call dirify,$(cmd_$(call variablify,$1)))' >> $(dir $@).$(notdir $@).dep) + + +CFLAGS_gen.dep = -MT $@ -MD -MP -MF $(dir $@).$(notdir $@).dep + +cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) $(ARCH_CFLAGS) \ + $(CFLAGS-$(suffix $@)) \ + $(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $( $@ $(Q)echo "#include " >> $@ - $(Q)echo "#ifdef __HAVE_ELF__" >> $@ - $(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \ + $(Q)echo "const char __dl_ldso__[] attribute_hidden __attribute__ ((weak)) __attribute__ ((section " \ "(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@ - $(Q)echo "#endif" >> $@ $(interp): $(top_builddir)lib/interp.c $(compile.c) @@ -152,41 +333,61 @@ $(ldso): $(libc): @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@)) -$(headers_dep): - @cd $(top_builddir); $(MAKE) headers - -#ifeq ($(HAVE_ELF),y) -CRT=crt1 -#else -#CRT=crt0 -#endif +CRT := crt1 -ifeq ($(HAVE_SHARED),y) +ifeq ($(HAVE_SHARED)$(UCLIBC_FORMAT_SHARED_FLAT),y) CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o else CRTS=$(top_builddir)lib/$(CRT).o endif -$(top_builddir)lib/$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S +ASFLAGS-$(CRT).o := -DL_$(CRT) +ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT) +$(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S $(Q)$(INSTALL) -d $(dir $@) - $(compile.S) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@)) + $(compile.S) $(Q)$(STRIPTOOL) -x -R .note -R .comment $@ -$(top_builddir)lib/S$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S +ifeq ($(UCLIBC_CTOR_DTOR),y) +CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o +else +CTOR_TARGETS:= +endif + +ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y) +CRTRELOC=$(top_builddir)lib/crtreloc.o +$(CRTRELOC): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.c $(Q)$(INSTALL) -d $(dir $@) - $(compile.S) $(PIEFLAG) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@)) - $(Q)$(STRIPTOOL) -x -R .note -R .comment $@ + $(compile.c) +endif -CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o +ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),) +CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive +$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c + $(compile.c) -ifeq ($(UCLIBC_CTOR_DTOR),y) -$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S +$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s + $(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ + gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp + $(Q)mv $@.tmp $@ + +$(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h + $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ + -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \ + -e '/@TRAILER_BEGINS/,$$p' $< > $@ + +$(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s + $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ + -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \ + -e '/@TRAILER_BEGINS/,$$p' $< > $@ + +$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S $(Q)$(INSTALL) -d $(dir $@) $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS) else -$(CTOR_TARGETS): +$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S $(Q)$(INSTALL) -d $(dir $@) - $(do_ar) + $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS) endif #ifeq ($(TARGET_ARCH),nios) @@ -197,19 +398,49 @@ endif CRTS_COMPAT := #endif -$(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) +$(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) +$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y) $(Q)$(INSTALL) -d $(dir $@) + $(Q)$(RM) $@ $(do_ar) -.PHONY: dummy create +$(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y) + $(Q)$(INSTALL) -d $(dir $@) + $(Q)$(RM) $@ + $(do_ar) + +files.dep := $(libc-a-y) $(libc-so-y) $(libc-nonshared-y) \ + $(libm-a-y) $(libm-so-y) \ + $(libpthread-a-y) $(libpthread-so-y) $(libpthread-nonshared-y) \ + $(libthread_db-a-y) $(libthread_db-so-y) \ + $(librt-a-y) $(librt-so-y) $(libresolv-a-y) $(libresolv-so-y) \ + $(libcrypt-a-y) $(libcrypt-so-y) $(libutil-a-y) $(libutil-so-y) \ + $(libnsl-a-y) $(libnsl-so-y) $(ldso-y) $(libdl-a-y) $(libdl-so-y) +.depends.dep := \ + $(patsubst %.o,%.o.dep,$(filter %.o,$(files.dep))) \ + $(patsubst %.os,%.os.dep,$(filter %.os,$(files.dep))) \ + $(patsubst %.oS,%.oS.dep,$(filter %.oS,$(files.dep))) +# Oh, and prepend a dot to the basename so i don't have to change my habit of +# calling 'size thefile.o*' +.depends.dep := $(foreach f,$(.depends.dep),$(dir $(f)).$(notdir $(f))) +.depends.dep := $(wildcard $(.depends.dep)) + +FORCE: + clean: objclean-y headers_clean-y +realclean: clean + $(Q)$(RM) $(.depends.dep) objclean-y: $(objclean-y) headers_clean-y: $(headers_clean-y) -.PHONY: \ - all check clean distclean test \ - config dist menuconfig oldconfig release \ - subdirs utils +ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),) +ifneq ($(strip $(.depends.dep)),) +.NOEXPORT: +-include $(.depends.dep) +endif +endif + +# vi: ft=make :