|  | # Copyright (C) 1991-2016 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) { }') > $@ | 
|  | common-generated += dummy.o dummy.c | 
|  |  | 
|  | # This makes all the auxiliary and test programs. | 
|  |  | 
|  | .PHONY: others tests bench | 
|  |  | 
|  | ifeq ($(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)) $(tests-special) | 
|  | xtests: tests $(xtests-special) | 
|  | else | 
|  | tests: $(tests:%=$(objpfx)%.out) $(tests-special) | 
|  | xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special) | 
|  | endif | 
|  |  | 
|  | tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special)) | 
|  | xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special)) | 
|  | tests: | 
|  | $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \ | 
|  | $(sort $(tests) $(tests-special-notdir:.out=)) \ | 
|  | > $(objpfx)subdir-tests.sum | 
|  | xtests: | 
|  | $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \ | 
|  | $(sort $(xtests) $(xtests-special-notdir:.out=)) \ | 
|  | > $(objpfx)subdir-xtests.sum | 
|  |  | 
|  | ifeq ($(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-tests = $(tests-pie) $(xtests-pie) | 
|  | binaries-pie-notests = $(others-pie) | 
|  | else | 
|  | binaries-pie-tests = | 
|  | binaries-pie-notests = | 
|  | 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-tests = | 
|  | binaries-pie-notests = | 
|  | endif | 
|  |  | 
|  | binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests) | 
|  | 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-tests))" "" | 
|  | $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \ | 
|  | $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ | 
|  | $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) | 
|  | $(+link-pie-tests) | 
|  | endif | 
|  |  | 
|  | ifneq "$(strip $(binaries-pie-notests))" "" | 
|  | $(addprefix $(objpfx),$(binaries-pie-notests)): %: %.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) | 
|  | $(+link-static-tests) | 
|  | endif | 
|  |  | 
|  | ifneq "$(strip $(tests) $(xtests) $(test-srcs))" "" | 
|  | # These are the implicit rules for making test outputs | 
|  | # from the test programs and whatever input files are present. | 
|  |  | 
|  | define make-test-out | 
|  | $(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\ | 
|  | $(test-wrapper-env) $(run-program-env) $($*-ENV)) \ | 
|  | $(host-test-program-cmd) $($*-ARGS) | 
|  | endef | 
|  | $(objpfx)%.out: %.input $(objpfx)% | 
|  | $(make-test-out) > $@ < $(word 1,$^); \ | 
|  | $(evaluate-test) | 
|  | $(objpfx)%.out: /dev/null $(objpfx)%	# Make it 2nd arg for canned sequence. | 
|  | $(make-test-out) > $@; \ | 
|  | $(evaluate-test) | 
|  |  | 
|  | # tests-unsupported lists tests that we will not try to build at all in | 
|  | # this configuration.  Note this runs every time because it does not | 
|  | # actually create its target.  The dependency on Makefile is meant to | 
|  | # ensure that it runs after a Makefile change to add a test to the list | 
|  | # when it previously ran and produced a .out file (probably for a failure). | 
|  | ifneq "$(strip $(tests-unsupported))" "" | 
|  | $(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile | 
|  | @rm -f $@ | 
|  | $(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \ | 
|  | 77 false false > $(@:.out=.test-result) | 
|  | endif | 
|  |  | 
|  | 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: |