X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=Makerules;h=05d9548cb408be344406df9de5d27316d37f65be;hb=143b7505a2cc505e94bde9b82cad4f695d15433d;hp=6e5dfed9447d25002b31a5c1696d4c4431b472fe;hpb=8040ad5d521628ba9a5177b25e142f4a0ed3dd5b;p=uclinux-h8%2FuClibc.git

diff --git a/Makerules b/Makerules
index 6e5dfed94..05d9548cb 100644
--- a/Makerules
+++ b/Makerules
@@ -4,28 +4,44 @@
 
 .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: $(lib-a-y)
+$(lib-a-y): | $(top_builddir)lib
 endif
 objs: all_objs
 
-shared_objs =  $(ldso-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) $(libdl-so-y)
-shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) $(libpthread-nonshared-y)
-shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y)
-ar_objs =  $(libc-y) $(libc-static-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) $(libubacktrace-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) $(libubacktrace-a-y)
 ifeq ($(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))
@@ -34,11 +50,18 @@ all_objs: $(ar_objs)
 endif
 $(shared_objs) $(ar_objs): | $(sub_headers)
 
+define objects_with_syms
+	$(foreach o,$(2),$(if $(shell $(NM) $(1) $(o) | grep .),$(o)))
+endef
+
 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,$(MAKEFLAGS)),)
 export MAKE_IS_SILENT := y
 SECHO := -@false
@@ -48,91 +71,248 @@ else
 export MAKE_IS_SILENT := n
 SECHO := @echo
 ifneq ($(V)$(VERBOSE),)
+ifeq ($(V),1)
+DISP := bri# brief, like pur but with defines
+Q := @
+else
 SHELL_SET_X := set -x
 DISP := ver
 Q :=
+endif
 else
 DISP := pur
 Q := @
 endif
 endif
 
-show_objs = $(subst ../,,$@)
+show_objs = $(subst $(top_builddir),,$(subst ../,,$@))
+define show_defs
+	$(filter -D%,$(1))
+endef
+define show_ldflags
+	$(subst $(comma), ,$(subst -Wl$(comma),,$(filter -Wl%,$(1))))
+endef
 
 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_install   = echo "  "INSTALL $(1)
+pur_disp_unifdef   = echo "  "UNIFDEF $(show_objs)
+pur_disp_rm        = echo "  "CLEAN $(subst CLEAN_,,$(patsubst HEADERCLEAN_%,include \(%\),$@))
 
 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
-
-ver_disp_compile.c = echo $(cmd_compile.c)
-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-m = echo $(cmd_compile-m)
-ver_disp_strip     = echo $(cmd_strip)
-ver_disp_t_strip   = echo $(cmd_t_strip)
-ver_disp_ar        = echo $(cmd_ar)
+sil_disp_ln        = true
+sil_disp_mkdir     = true
+sil_disp_gen       = true
+sil_disp_install   = true
+sil_disp_unifdef   = true
+sil_disp_rm        = true
+
+bri_disp_compile.c = $(pur_disp_compile.c) $(call show_defs,$(cmd_compile.c))
+bri_disp_compile.i = $(pur_disp_compile.i) $(call show_defs,$(cmd_compile.i))
+bri_disp_compile.s = $(pur_disp_compile.s) $(call show_defs,$(cmd_compile.s))
+bri_disp_compile.u = $(pur_disp_compile.u) $(call show_defs,$(cmd_compile.u))
+bri_disp_compile.S = $(pur_disp_compile.S) $(call show_defs,$(cmd_compile.S))
+bri_disp_compile.m = $(pur_disp_compile.m) $(call show_defs,$(cmd_compile.m))
+bri_disp_compile.mi = $(pur_disp_compile.mi) $(call show_defs,$(cmd_compile.mi))
+bri_disp_compile-m = $(pur_disp_compile-m) $(call show_defs,$(cmd_compile-m))
+bri_disp_hcompile.u = $(pur_disp_hcompile.u) $(call show_defs,$(cmd_hcompile.u))
+bri_disp_hcompile.o = $(pur_disp_hcompile.o) $(call show_defs,$(cmd_hcompile.o))
+bri_disp_strip = $(pur_disp_strip)
+bri_disp_t_strip = $(pur_disp_t_strip)
+bri_disp_ar = $(pur_disp_ar)
+bri_disp_ld = $(pur_disp_ld) $(call show_ldflags,$(cmd_ld))
+bri_disp_ln = $(pur_disp_ln)
+bri_disp_mkdir = $(pur_disp_mkdir)
+bri_disp_gen = $(pur_disp_gen)
+bri_disp_install = $(pur_disp_install)
+bri_disp_unifdef = $(pur_disp_unifdef)
+bri_disp_rm = $(pur_disp_rm)
+
+esc=$(subst ','\'',$(1))
+# ')
+ver_disp_compile.c = echo '$(call esc,$(cmd_compile.c))'
+ver_disp_compile.i = echo '$(call esc,$(cmd_compile.i))'
+ver_disp_compile.s = echo '$(call esc,$(cmd_compile.s))'
+ver_disp_compile.u = echo '$(call esc,$(cmd_compile.u))'
+ver_disp_compile.S = echo '$(call esc,$(cmd_compile.S))'
+ver_disp_compile.m = echo '$(call esc,$(cmd_compile.m))'
+ver_disp_compile.mi= echo '$(call esc,$(cmd_compile.mi))'
+ver_disp_compile-m = echo '$(call esc,$(cmd_compile-m))'
+ver_disp_hcompile.u= echo '$(call esc,$(cmd_hcompile.u))'
+ver_disp_hcompile.o= echo '$(call esc,$(cmd_hcompile.o))'
+ver_disp_strip     = echo '$(call esc,$(cmd_strip))'
+ver_disp_t_strip   = echo '$(call esc,$(cmd_t_strip))'
+ver_disp_ar        = echo '$(call esc,$(cmd_ar))'
 ver_disp_ld        =
+ver_disp_ln        =
+ver_disp_mkdir     =
+ver_disp_gen       =
+ver_disp_install   =
+ver_disp_unifdef   = echo '$(call esc,$(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_gen.dep = -MT $@ -MD -MF $(@D)/$(@F).dep
-
-cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $(^D)))) $(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) $(CFLAGS-$(notdir $<)) $(CFLAGS-$(notdir $@))  $(cmd_gen.dep)
-cmd_compile.u = $(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@)) $(cmd_gen.dep)
-cmd_compile.S = $(filter-out -std=gnu99, $(cmd_compile.c)) -D__ASSEMBLER__ $(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_install   = $($(DISP)_disp_install)
+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)
+
+# collect flags of domulti prereqs
+#collect_multi_flags = $(CFLAGS-$(notdir $(d))) $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d)))))
+collect_multi_flags = $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d)))))
+
+CFLAGS_gen.dep = -MT $@ -MD -MP -MF $(dir $@).$(notdir $@).dep
+
+cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) \
+	$(CFLAGS-$(suffix $@)) \
+	$(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $(<D)))) \
+	$(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) \
+	$(CFLAGS-$(notdir $<)) \
+	$(CFLAGS-$(notdir $@)) \
+	$(CFLAGS_gen.dep)
+cmd_compile.i = $(cmd_compile.c:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
+cmd_compile.s = $(cmd_compile.c:-c=-S)
+cmd_compile.u = $(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@)) $(CFLAGS_gen.dep)
+cmd_compile.S = $(filter-out -std=%, $(cmd_compile.c)) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
 cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
-cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@))
+cmd_compile.mi= $(cmd_compile.m:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
+
+cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@)) $(sort $(foreach d,$(^:$(top_srcdir)=),$(collect_multi_flags)))
 cmd_strip     = $(STRIPTOOL) $(STRIP_FLAGS) $^
 cmd_t_strip   = $(STRIPTOOL) $(STRIP_FLAGS) $@
-cmd_ar        = $(AR) $(ARFLAGS) $@ $^
-
-compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
-compile.i = $(cmd_compile.c:-c=-E -dD)
-compile.s = $(cmd_compile.c:-c=-S)
-compile.S = @$(disp_compile.S) ; $(cmd_compile.S)
-compile.m = @$(disp_compile.m) ; $(cmd_compile.m)
-compile-m = @$(disp_compile-m) ; $(cmd_compile-m)
+cmd_ar        = $(AR) $(ARFLAGS) $@ $(call objects_with_syms,,$^)
+
+define do_ln
+	@$(disp_ln)
+	$(Q)$(LN) -fs
+endef
+
+define do_mkdir
+	@$(disp_mkdir)
+	$(Q)$(INSTALL) -d $@
+endef
+
+define do_rm
+	@$(disp_rm)
+	$(Q)$(RM)
+endef
+
+define do_awk
+	@$(disp_gen)
+	$(Q)$(AWK) -f
+endef
+
+define do_sed
+	@$(disp_gen)
+	$(Q)$(SED)
+endef
+
+compile.c = @$(call maybe_exec,compile.c)
+compile.i =  $(call maybe_exec,compile.i)
+compile.s =  $(call maybe_exec,compile.s)
+compile.S = @$(call maybe_exec,compile.S)
+compile.m = @$(call maybe_exec,compile.m)
+compile.mi=  $(call maybe_exec,compile.mi)
+compile-m = @$(disp_compile-m) ; $(cmd_compile-m) && $(cmd_t_strip)
 do_strip  = @$(disp_strip)     ; $(cmd_strip)
 do_t_strip= @$(disp_t_strip)   ; $(cmd_t_strip)
-do_ar     = @$(disp_ar)        ; $(cmd_ar)
+do_unifdef= @$(disp_unifdef)   ; $(cmd_unifdef)
+hcompile.u= @$(disp_hcompile.u); $(cmd_hcompile.u)
+hcompile.o= @$(disp_hcompile.o); $(cmd_hcompile.o)
 
+define do_ar
+	@$(disp_ar) ; $(cmd_ar)
+	@$(do_t_strip)
+endef
 define compile.u
 	@$(disp_compile.u) ; $(cmd_compile.u)
 	@$(disp_t_strip)
 endef
-hcompile.u = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
-hcompile.o = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
+cmd_hcompile.u = $(HOSTCC) $(filter-out $(PHONY),$^) $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
+cmd_hcompile.o = $(HOSTCC) $(filter-out $(PHONY),$<) $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
+
+define create-lds
+	$(Q)$(RM) $@.lds
+	$(Q)$(CC) -nostdlib -nostartfiles -shared -Wl,-z,combreloc \
+	-Wl,-z,relro -Wl,--hash-style=gnu -Wl,-z,defs \
+	-Wl,--verbose 2>&1 | LC_ALL=C \
+	$(SED) -e '/^=========/,/^=========/!d;/^=========/d' \
+	-e 's/\. = .* + SIZEOF_HEADERS;/& $(SYMBOL_PREFIX)_begin = . - SIZEOF_HEADERS;/' > $@.lds
+endef
 
 define link.so
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
 	@$(disp_ld)
-	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
-		$(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
+	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(LDFLAGS-y-$(@F)) \
+		-Wl,-soname=$(notdir $@).$(2) \
+		$(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
 		-Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \
 		$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
 	$(Q)$(LN) -sf $(1) $@.$(2)
@@ -155,10 +335,9 @@ LINK_FLAT_CRTS := $(top_builddir)lib/Scrt1.o $(top_builddir)lib/crti.o \
 # This is so far only used for libc, for which we want to link the entire
 # libgcc into the shared object.
 define link-flat.so
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $(1) $@
 	@$(disp_ld)
-	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(NOSTDLIB_CFLAGS) -o $(1) \
+	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(CFLAG_-nostdlib) -o $(1) \
 		-Wl,-elf2flt -Wl,-shared-lib-id,$(2) $(top_builddir)lib/Scrt1.o \
 		$(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \
 		$(LIBGCC) -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
@@ -166,11 +345,11 @@ define link-flat.so
 endef
 
 define linkm.so
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
+	$(do_strip)
 	@$(disp_ld)
 	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
-		$(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
+		$(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
 		$^ \
 		$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
 	$(Q)$(LN) -sf $(1) $@.$(2)
@@ -180,39 +359,37 @@ endef
 CFLAGS-.os+=$(PICFLAG)
 CFLAGS-.oS+=$(PICFLAG) -DSHARED
 
-%.o:  %.c ; $(compile.c)
-%.os: %.c ; $(compile.c)
-%.oS: %.c ; $(compile.c)
-%.o:  %.S ; $(compile.S)
-%.os: %.S ; $(compile.S)
-%.oS: %.S ; $(compile.S)
-%.o:  %.s ; $(compile.S)
-%.os: %.s ; $(compile.S)
-%.oS: %.s ; $(compile.S)
-%.i:  %.c ; $(compile.i)
-%.i:  %.S ; $(compile.i)
-%.s:  %.c ; $(compile.s)
-%.s:  %.S ; $(compile.s)
-
-$(top_builddir)lib/interp.c: | $(sub_headers)
-	$(Q)$(INSTALL) -d $(dir $@)
-	$(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@
-	$(Q)echo "#include <features.h>" >> $@
-	$(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \
-		"(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@
-
-$(interp): $(top_builddir)lib/interp.c
+$(top_builddir)%.o:  $(top_srcdir)%.c FORCE ; $(compile.c)
+$(top_builddir)%.os: $(top_srcdir)%.c FORCE | pregen; $(compile.c)
+$(top_builddir)%.oS: $(top_srcdir)%.c FORCE | pregen; $(compile.c)
+$(top_builddir)%.o:  $(top_srcdir)%.S FORCE ; $(compile.S)
+$(top_builddir)%.os: $(top_srcdir)%.S FORCE | pregen; $(compile.S)
+$(top_builddir)%.oS: $(top_srcdir)%.S FORCE | pregen; $(compile.S)
+$(top_builddir)%.o:  $(top_srcdir)%.s FORCE ; $(compile.S)
+$(top_builddir)%.os: $(top_srcdir)%.s FORCE ; $(compile.S)
+$(top_builddir)%.oS: $(top_srcdir)%.s FORCE | pregen; $(compile.S)
+$(top_builddir)%.i:  $(top_srcdir)%.c FORCE | pregen; $(compile.i)
+$(top_builddir)%.i:  $(top_srcdir)%.S FORCE | pregen; $(compile.i)
+$(top_builddir)%.s:  $(top_srcdir)%.c FORCE | pregen; $(compile.s)
+$(top_builddir)%.s:  $(top_srcdir)%.S FORCE | pregen; $(compile.s)
+$(top_builddir)%.dep:
+
+$(top_builddir)lib/interp.c: | $(top_builddir)lib
+	$(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@.tmp
+	$(Q)echo "#include <features.h>" >> $@.tmp
+	$(Q)echo "const char __dl_ldso__[] attribute_hidden __attribute__ ((weak)) __attribute__ ((section " \
+		"(\".interp\"))) =\""$(RUNTIME_PREFIX)$(MULTILIB_DIR)/$(UCLIBC_LDSO)"\";" >> $@.tmp
+	$(Q)$(SED) -i -e 's://:/:g' $@.tmp
+	$(Q)mv $@.tmp $@
+
+$(interp): $(top_builddir)lib/interp.c | $(sub_headers)
 	$(compile.c)
 	$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
 
 $(ldso):
-	@cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
-
+	$(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@))
 $(libc):
-	@cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
-
-$(headers_dep): $(top_srcdir)extra/scripts/gen_bits_syscall_h.sh
-	$(Q)cd $(top_builddir); $(MAKE) pregen
+	$(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@))
 
 CRT := crt1
 
@@ -225,7 +402,6 @@ endif
 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)
 	$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
 
@@ -238,16 +414,15 @@ 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.c)
 endif
 
 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
+$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c | $(top_builddir)lib
 	$(compile.c)
 
-$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
+$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s | $(top_builddir)lib
 	$(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
 		gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
 	$(Q)mv $@.tmp $@
@@ -263,11 +438,9 @@ $(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
 		-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): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
 endif
 
@@ -279,39 +452,53 @@ endif
 CRTS_COMPAT :=
 #endif
 
-$(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC)
+startfiles = $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC)
+$(crt-y): $(startfiles)
 $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers
+$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) $(LINK_FLAT_CRTS) $(SHARED_START_FILES) $(SHARED_END_FILES) : | $(top_builddir)lib
 
 $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $@
-	$(do_strip)
 	$(do_ar)
 
 $(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y)
-	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $@
-	$(do_strip)
 	$(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) $(libpthread-generated-y) \
+	$(START_FILE-libpthread.so) $(END_FILE-libpthread.so) \
+	$(PTHREAD_INITFINI:.c=.s) \
+	$(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) \
+	$(libubacktrace-a-y) $(libubacktrace-so-y)
 .depends.dep := \
-	$(patsubst %.o,%.o.dep,$(filter %.o,$(libc-a-y) $(libc-so-y))) \
-	$(patsubst %.os,%.os.dep,$(filter %.os,$(libc-a-y) $(libc-so-y))) \
-	$(patsubst %.oS,%.oS.dep,$(filter %.oS,$(libc-a-y) $(libc-so-y)))
+	$(patsubst %.s,%.s.dep,$(filter %.s,$(files.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))
 
-ifdef .depends.dep
--include $(.depends.dep)
-endif
+FORCE:
 
-.PHONY: dummy create
 clean: objclean-y headers_clean-y
-realclean: clean
+realclean: clean menuconfig-clean-y
 	$(Q)$(RM) $(.depends.dep)
 
 objclean-y: $(objclean-y)
 headers_clean-y: $(headers_clean-y)
 
-.PHONY: \
-	all check clean realclean 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 :