# # 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 # 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): $(interp) else .LIBPATTERNS: "lib%.a" ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y) libs: $(lib-gdb-y) endif libs: $(lib-a-y) endif objs: all_objs shared_objs = $(ldso-y) $(libc-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) $(libutil-a-y) ifeq ($(DOPIC),y) ar_objs := $(ar_objs:.o=.os) endif ifeq ($(HAVE_SHARED),y) all_objs: $(sort $(shared_objs) $(ar_objs)) else all_objs: $(ar_objs) endif $(shared_objs) $(ar_objs): | $(sub_headers) headers-y: $(headers-y) @true MAKEFLAGS += --no-print-directory SHELL_SET_X := set +x ifneq ($(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 := else DISP := pur Q := @ endif endif show_objs = $(subst ../,,$@) 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-m = echo " "CC-m $(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) 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-m = 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.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-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) ver_disp_ld = 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-m = $($(DISP)_disp_compile-m) disp_strip = $($(DISP)_disp_strip) disp_t_strip = $($(DISP)_disp_t_strip) disp_ar = $($(DISP)_disp_ar) disp_ld = $($(DISP)_disp_ld) any-prereq = $(filter-out FORCE,$?) $(filter-out FORCE $(wildcard $^),$^) # True if not identical. Neither order nor whitespace nor identical flags # matter. compare_flags = $(strip $(filter-out $(cmd_$(1)), $(cmd_$(@))) \ $(filter-out $(cmd_$(@)), $(cmd_$(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_$@ := $(cmd_$1)' >> $(dir $@).$(notdir $@).dep) CFLAGS_gen.dep = -MT $@ -MD -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 " >> $@ $(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \ "(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@ $(interp): $(top_builddir)lib/interp.c $(compile.c) $(Q)$(STRIPTOOL) -x -R .note -R .comment $@ $(ldso): @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(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); $(MAKE) pregen CRT := crt1 ifeq ($(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 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 $@ ifeq ($(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 $@) $(compile.c) endif ifneq ($(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 $(compile.c) $(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): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S $(Q)$(INSTALL) -d $(dir $@) $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS) endif #ifeq ($(TARGET_ARCH),nios) #CRTS_COMPAT := $(top_builddir)lib/crt0.o #$(CRTS_COMPAT): # ln -fs crt1.o $(top_builddir)lib/crt0.o #else CRTS_COMPAT := #endif $(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_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) files.dep += $(libpthread-a-y) $(libpthread-so-y) $(libutil-a-y) $(libutil-so-y) files.dep += $(librt-a-y) $(librt-so-y) $(libresolv-a-y) $(libresolv-so-y) files.dep += $(libcrypt-a-y) $(libcrypt-so-y) $(libdl-a-y) $(libdl-so-y) files.dep += $(libnsl-a-y) $(libnsl-so-y) $(ldso-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))) ifdef .depends.dep -include $(.depends.dep) endif .PHONY: dummy FORCE 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 realclean distclean test \ config dist menuconfig oldconfig release \ subdirs utils