# Copyright (C) 1991-2013 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, see # <http://www.gnu.org/licenses/>. # # Rules for making a subdirectory in the GNU C library. # Each subdirectory Makefile defines some variables and includes this. # ifneq (,) This makefile requires GNU Make. endif all: # Don't let the default goal come from Makeconfig. include $(firstword $(..) ../)Makeconfig ifndef subdir Each subdirectory makefile must define the `subdir' variable. endif # This ` unconfuses emacs. # This is benign and useless in GNU make before 3.63. export subdir := $(subdir) # This is the default target; it makes the library and auxiliary programs. .PHONY: all all: objs lib others ifeq ($(build-programs),yes) others: $(addprefix $(objpfx),$(extra-objs) \ $(install-lib) \ $(install-bin) $(install-bin-script) \ $(install-rootsbin) $(install-sbin)) else others: $(addprefix $(objpfx),$(extra-objs) \ $(install-lib)) endif ifneq "$(findstring env,$(origin headers))" "" headers := endif ifneq "$(findstring env,$(origin generated))" "" generated := endif ifneq "$(findstring env,$(origin common-generated))" "" common-generated := endif # See below. This must be set before Makerules processes it. before-compile += $(common-objpfx)bits/stdio_lim.h include $(..)Makerules .PHONY: subdir_lib subdir_lib: lib-noranlib # Some subdirs need to install a dummy library. # They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)". dep-dummy-lib = $(common-objpfx)dummy.o define make-dummy-lib $(AR) cr$(verbose) $@ $< endef $(common-objpfx)dummy.c: rm -f $@ (echo 'extern void __dummy__ (void);'; \ echo 'void __dummy__ (void) { }') > $@ common-generated += dummy.o dummy.c # This makes all the auxiliary and test programs. .PHONY: others tests ifeq ($(multi-arch),no) tests := $(filter-out $(tests-ifunc), $(tests)) xtests := $(filter-out $(xtests-ifunc), $(xtests)) endif ifeq ($(build-programs),yes) others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs)) else others: $(addprefix $(objpfx),$(extra-objs)) endif ifeq ($(run-built-tests),no) tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) xtests: tests else ifeq ($(build-bounded),yes) tests-bp.out = $(tests:%=$(objpfx)%-bp.out) xtests-bp.out = $(xtests:%=$(objpfx)%-bp.out) endif tests: $(tests:%=$(objpfx)%.out) $(tests-bp.out) xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-bp.out) endif ifeq ($(build-programs),yes) binaries-all-notests = $(others) $(sysdep-others) binaries-all-tests = $(tests) $(xtests) $(test-srcs) binaries-all = $(binaries-all-notests) $(binaries-all-tests) binaries-static-notests = $(others-static) binaries-static-tests = $(tests-static) $(xtests-static) binaries-static = $(binaries-static-notests) $(binaries-static-tests) ifeq (yesyes,$(have-fpie)$(build-shared)) binaries-pie = $(others-pie) $(tests-pie) $(xtests-pie) else binaries-pie = endif else binaries-all-notests = binaries-all-tests = $(tests) $(xtests) $(test-srcs) binaries-all = $(binaries-all-tests) binaries-static-notests = binaries-static-tests = binaries-static = binaries-pie = endif binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \ $(binaries-all-tests)) binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \ $(binaries-all-notests)) ifneq "$(strip $(binaries-shared-notests))" "" $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link) endif ifneq "$(strip $(binaries-shared-tests))" "" $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link-tests) endif ifneq "$(strip $(binaries-pie))" "" $(addprefix $(objpfx),$(binaries-pie)): %: %.o \ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link-pie) endif ifneq "$(strip $(binaries-static-notests))" "" $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \ $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link-static) endif ifneq "$(strip $(binaries-static-tests))" "" $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \ $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link-static-tests) endif ifeq ($(build-bounded),yes) binaries-bounded = $(addsuffix -bp,$(tests) $(xtests) $(test-srcs)) $(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \ $(sort $(filter $(common-objpfx)lib%,$(link-libc-bounded))) \ $(addprefix $(csu-objpfx),start.ob) $(+preinit) $(+postinit) $(+link-bounded) endif ifneq "$(strip $(tests) $(xtests) $(test-srcs))" "" # These are the implicit rules for making test outputs # from the test programs and whatever input files are present. make-test-out = $(test-wrapper-env) \ GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \ $($*-ENV) $(host-built-program-cmd) $($*-ARGS) $(objpfx)%-bp.out: %.input $(objpfx)%-bp $(make-test-out) > $@ < $(word 1,$^) $(objpfx)%.out: %.input $(objpfx)% $(make-test-out) > $@ < $(word 1,$^) $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence. $(make-test-out) > $@ endif # tests .PHONY: distclean realclean subdir_distclean subdir_realclean \ subdir_clean subdir_mostlyclean subdir_testclean subdir_mostlyclean: mostlyclean subdir_clean: clean subdir_distclean: distclean subdir_realclean: realclean subdir_testclean: do-tests-clean realclean: distclean distclean: clean # We want to install everything except the library itself, but update all # our portions of the library because the parent make will install it later # (likewise the stubs file). .PHONY: subdir_install subdir_install: install-no-libc.a lib-noranlib stubs .PHONY: subdir_objs subdir_stubs subdir_objs: objs subdir_stubs: stubs # Target required by the Hurd to ensure that all the MiG-generated # headers are in place before building a subdirectory. .PHONY: before-compile before-compile: $(before-compile) $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile); $(compile-command.c) # Local Variables: # mode: makefile # End: