Makefile - nest-cam/v366/glibc - Git at Google

 # Copyright (C) 1991-2002,2003,2004,2005,2006,2008,2009
 #	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, write to the Free
 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 # 02111-1307 USA.

 #
 #	Master Makefile for the GNU C library
 #
 ifneq (,)
 This makefile requires GNU Make.
 endif

 include Makeconfig


 # This is the default target; it makes everything except the tests.
 .PHONY: all
 all: lib others

 ifneq ($(AUTOCONF),no)

 ifeq ($(with-cvs),yes)
 define autoconf-it-cvs
 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
 endef
 else
 autoconf-it-cvs =
 endif

 define autoconf-it
 @-rm -f $@.new
 $(AUTOCONF) $(ACFLAGS) $< > $@.new
 chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new
 mv -f $@.new $@
 $(autoconf-it-cvs)
 endef

 configure: configure.in aclocal.m4; $(autoconf-it)
 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
 %/preconfigure: %/preconfigure.in aclocal.m4; $(autoconf-it)

 endif # $(AUTOCONF) = no


 # We don't want to run anything here in parallel.
 .NOTPARALLEL:

 # These are the targets that are made by making them in each subdirectory.
 +subdir_targets	:= subdir_lib objects objs others subdir_mostlyclean	\
 		   subdir_clean subdir_distclean subdir_realclean	\
 		   tests xtests subdir_lint.out				\
 		   subdir_update-abi subdir_check-abi 			\
 		   subdir_echo-headers 					\
 		   subdir_install					\
 		   subdir_objs subdir_stubs subdir_testclean		\
 		   $(addprefix install-, no-libc.a bin lib data headers others)

 headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
 	   bits/xopen_lim.h gnu/libc-version.h

 echo-headers: subdir_echo-headers

 # The headers are in the include directory.
 subdir-dirs = include
 vpath %.h $(subdir-dirs)

 # What to install.
 install-others = $(inst_includedir)/gnu/stubs.h
 install-bin-script =

 ifeq (yes,$(build-shared))
 headers += gnu/lib-names.h
 endif

 include Makerules

 ifeq ($(build-programs),yes)
 others: $(addprefix $(objpfx),$(install-bin-script))
 endif

 # Install from subdirectories too.
 install: subdir_install

 # Explicit dependency so that `make install-headers' works
 install-headers: install-headers-nosubdir

 # Make sure that the dynamic linker is installed before libc.
 $(inst_slibdir)/libc-$(version).so: elf/ldso_install

 .PHONY: elf/ldso_install
 elf/ldso_install:
 	$(MAKE) -C $(@D) $(@F)

 # Create links for shared libraries using the `ldconfig' program if possible.
 # Ignore the error if we cannot update /etc/ld.so.cache.
 ifeq (no,$(cross-compiling))
 ifeq (yes,$(build-shared))
 install: install-symbolic-link
 .PHONY: install-symbolic-link
 install-symbolic-link: subdir_install
 	$(symbolic-link-prog) $(symbolic-link-list)
 	rm -f $(symbolic-link-list)

 install:
 	-test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \
 	  $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
 				       $(slibdir) $(libdir)
 ifneq (no,$(PERL))
 ifeq (/usr,$(prefix))
 ifeq (,$(install_root))
 	CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
 endif
 endif
 endif
 endif
 endif

 # Build subdirectory lib objects.
 lib-noranlib: subdir_lib

 ifeq (yes,$(build-shared))
 # Build the shared object from the PIC object library.
 lib: $(common-objpfx)libc.so
 endif


 # This is a handy script for running any dynamically linked program against
 # the current libc build for testing.
 $(common-objpfx)testrun.sh: $(common-objpfx)config.make \
 			    $(..)Makeconfig $(..)Makefile
 	(echo '#!/bin/sh'; \
 	 echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
 	 echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
 	) > $@T
 	chmod a+x $@T
 	mv -f $@T $@
 postclean-generated += testrun.sh

 others: $(common-objpfx)testrun.sh

 # Makerules creates a file `stubs' in each subdirectory, which
 # contains `#define __stub_FUNCTION' for each function defined in that
 # directory which is a stub.
 # Here we paste all of these together into <gnu/stubs.h>.

 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)

 ifeq ($(biarch),no)
 installed-stubs = $(inst_includedir)/gnu/stubs.h
 else
 installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h

 $(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
 	$(make-target-directory)
 	$(INSTALL_DATA) $< $@

 install-others-nosubdir: $(installed-stubs)
 endif


 # Since stubs.h is never needed when building the library, we simplify the
 # hairy installation process by producing it in place only as the last part
 # of the top-level `make install'.  It depends on subdir_install, which
 # iterates over all the subdirs; subdir_install in each subdir depends on
 # the subdir's stubs file.  Having more direct dependencies would result in
 # extra iterations over the list for subdirs and many recursive makes.
 $(installed-stubs): include/stubs-prologue.h subdir_install
 	$(make-target-directory)
 	@rm -f $(objpfx)stubs.h
 	(sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
 	if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
 	then echo 'stubs.h unchanged'; \
 	else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
 	rm -f $(objpfx)stubs.h

 # This makes the Info or DVI file of the documentation from the Texinfo source.
 .PHONY: info dvi pdf html
 info dvi pdf html:
 	$(MAKE) $(PARALLELMFLAGS) -C manual $@

 # This makes all the subdirectory targets.

 # For each target, make it depend on DIR/target for each subdirectory DIR.
 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))

 # Compute a list of all those targets.
 all-subdirs-targets := $(foreach dir,$(subdirs),\
 				 $(addprefix $(dir)/,$(+subdir_targets)))

 # The action for each of those is to cd into the directory and make the
 # target there.
 $(all-subdirs-targets):
 	$(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F)

 define subdir-target-args
 subdir=$(@D)$(if $($(@D)-srcdir),\
 -C $($(@D)-srcdir) ..=`pwd`/,\
 -C $(@D) ..=../)
 endef

 .PHONY: $(+subdir_targets) $(all-subdirs-targets)

 # Targets to clean things up to various degrees.

 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
 	tests-clean

 # Subroutines of all cleaning targets.
 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
 	-rm -f $(foreach o,$(object-suffixes-for-libc),\
 		   $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
 	       $(addprefix $(objpfx),$(install-lib))
 parent-clean: parent-mostlyclean common-clean

 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
 	    $(addprefix $(objpfx),sysd-dirs sysd-rules) \
 	    $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)

 clean: parent-clean
 # This is done this way rather than having `subdir_clean' be a
 # dependency of this target so that libc.a will be removed before the
 # subdirectories are dealt with and so they won't try to remove object
 # files from it when it's going to be removed anyway.
 	@$(MAKE) subdir_clean no_deps=t
 	-rm -f $(postclean)
 mostlyclean: parent-mostlyclean
 	@$(MAKE) subdir_mostlyclean no_deps=t
 	-rm -f $(postclean)

 tests-clean:
 	@$(MAKE) subdir_testclean no_deps=t

 tests: $(objpfx)c++-types-check.out $(objpfx)check-local-headers.out
 ifneq ($(CXX),no)
 check-data := $(firstword $(wildcard \
 	        $(foreach D,$(add-ons) scripts,\
 	        	  $(patsubst %,$D/data/c++-types-%.data,\
 			   	     $(abi-name) \
 			   	     $(addsuffix -$(config-os),\
 				     		 $(config-machine) \
 						 $(base-machine))))))
 ifneq (,$(check-data))
 $(objpfx)c++-types-check.out: $(check-data) scripts/check-c++-types.sh
 	scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
 else
 $(objpfx)c++-types-check.out:
 	@echo 'WARNING C++ tests not run; create a c++-types-XXX file'
 	@echo "not run" > $@
 endif
 endif

 $(objpfx)check-local-headers.out: scripts/check-local-headers.sh
 	scripts/check-local-headers.sh "$(includedir)" "$(objpfx)" > $@

 ifneq ($(PERL),no)
 installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
 		    crypt/crypt.h ctype/ctype.h debug/execinfo.h \
 		    dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \
 		    gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \
 		    grp/grp.h gshadow/gshadow.h iconv/iconv.h iconv/gconv.h \
 		    $(wildcard inet/netinet/*.h) \
 		    $(wildcard inet/arpa/*.h inet/protocols/*.h) \
 		    inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \
 		    inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \
 		    io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \
 		    io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \
 		    io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \
 		    libio/stdio.h libio/libio.h locale/locale.h \
 		    locale/langinfo.h locale/xlocale.h login/utmp.h \
 		    login/lastlog.h login/pty.h malloc/malloc.h \
 		    malloc/obstack.h malloc/mcheck.h math/math.h \
 		    math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \
 		    $(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \
 		    nptl/sysdeps/pthread/pthread.h nptl/semaphore.h \
 		    nss/nss.h posix/sys/utsname.h posix/sys/times.h \
 		    posix/sys/wait.h posix/sys/types.h posix/unistd.h \
 		    posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\
 		    posix/getopt.h posix/tar.h posix/sys/unistd.h \
 		    posix/sched.h posix/re_comp.h posix/wait.h \
 		    posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \
 		    resolv/netdb.h $(wildcard resolv/arpa/*.h) \
 		    resource/sys/resource.h resource/sys/vlimit.h \
 		    resource/sys/vtimes.h resource/ulimit.h rt/aio.h \
 		    rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \
 		    signal/signal.h signal/sys/signal.h socket/sys/socket.h \
 		    socket/sys/un.h stdio-common/printf.h \
 		    stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \
 		    stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \
 		    sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \
 		    stdlib/errno.h stdlib/sys/errno.h string/string.h \
 		    string/strings.h string/memory.h string/endian.h \
 		    string/argz.h string/envz.h string/byteswap.h \
 		    $(wildcard sunrpc/rpc/*.h sunrpc/rpcsvc/*.h) \
 		    sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \
 		    sysvipc/sys/shm.h termios/termios.h \
 		    termios/sys/termios.h termios/sys/ttychars.h time/time.h \
 		    time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \
 		    wctype/wctype.h

 tests: $(objpfx)begin-end-check.out
 $(objpfx)begin-end-check.out: scripts/begin-end-check.pl
 	$(PERL) scripts/begin-end-check.pl $(installed-headers) > $@
 endif

 # The realclean target is just like distclean for the parent, but we want
 # the subdirs to know the difference in case they care.
 realclean distclean: parent-clean
 # This is done this way rather than having `subdir_distclean' be a
 # dependency of this target so that libc.a will be removed before the
 # subdirectories are dealt with and so they won't try to remove object
 # files from it when it's going to be removed anyway.
 	@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
 		 sysdep-subdirs="$(sysdep-subdirs)"
 	-rm -f $(postclean)

 # Subroutine of distclean and realclean.
 distclean-1: subdir_$(distclean-1)
 	-rm -f $(config-generated)
 	-rm -f $(addprefix $(objpfx),config.status config.cache config.log)
 	-rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
 ifdef objdir
 	-rm -f $(objpfx)Makefile
 endif
 	-rm -f $(sysdep-$(distclean-1))

 # Make the TAGS file for Emacs users.

 .PHONY: TAGS
 TAGS:
 	scripts/list-sources.sh | sed -n -e '/Makefile/p' \
 	  $(foreach S,[chsSyl] cxx sh bash pl,\
 		    $(subst .,\.,-e '/.$S\(.in\)*$$/p')) \
 	| $(ETAGS) -o $@ -

 # Make the distribution tarfile.
 .PHONY: dist dist-prepare

 generated := $(generated) stubs.h

 files-for-dist := README FAQ INSTALL NOTES configure ChangeLog NEWS

 # Regenerate stuff, then error if these things are not committed yet.
 dist-prepare: $(files-for-dist)
 	conf=`find sysdeps $(addsuffix /sysdeps,$(sysdeps-add-ons)) \
 		   -name configure`; \
 	$(MAKE) $$conf && \
 	git diff --stat HEAD -- $^ $$conf \
 	| $(AWK) '{ print; rc=1 } END { exit rc }'

 %.tar: FORCE
 	git archive --prefix=$*/ $* > $@.new
 	mv -f $@.new $@

 # Do `make dist dist-version=X.Y.Z' to make tar files of an older version.

 ifneq (,$(strip $(dist-version)))
 dist: $(foreach Z,.bz2 .gz .xz,$(dist-version).tar$Z)
 	md5sum $^
 else
 dist: dist-prepare
 	@if v=`git describe`; then \
 	  echo Distribution version $$v; \
 	  $(MAKE) dist dist-version=$$v; \
 	else \
 	  false; \
 	fi
 endif

 define format-me
 @rm -f $@
 makeinfo --no-validate --plaintext --no-number-sections $< -o $@
 -chmod a-w $@
 endef
 INSTALL: manual/install.texi; $(format-me)
 NOTES: manual/creature.texi; $(format-me)
 manual/dir-add.texi manual/dir-add.info: FORCE
 	$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 FAQ: scripts/gen-FAQ.pl FAQ.in
 	$(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
 ifeq ($(with-cvs),yes)
 	test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
 endif
 FORCE:

 iconvdata/% localedata/% po/% manual/%: FORCE
 	$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)

 # glibc 2.0 contains some header files which aren't used with glibc 2.1
 # anymore.
 # These rules should remove those headers
 ifeq (,$(install_root))
 ifeq ($(old-glibc-headers),yes)
 install: remove-old-headers
 endif
 endif

 headers2_0 := 	__math.h bytesex.h confname.h direntry.h elfclass.h  	\
 		errnos.h fcntlbits.h huge_val.h ioctl-types.h 		\
 		ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h 	\
 		mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h  		\
 		posix2_lim.h posix_opt.h resourcebits.h schedbits.h 	\
 		selectbits.h semaphorebits.h sigaction.h sigcontext.h 	\
 		signum.h sigset.h sockaddrcom.h socketbits.h stab.def 	\
 		statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h 		\
 		syscall-list.h termbits.h timebits.h ustatbits.h 	\
 		utmpbits.h utsnamelen.h waitflags.h waitstatus.h 	\
 		xopen_lim.h gnu/types.h sys/ipc_buf.h 			\
 		sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h 	\
 		sys/shm_buf.h sys/socketcall.h sigstack.h

 .PHONY: remove-old-headers
 remove-old-headers:
 	rm -f $(addprefix $(inst_includedir)/, $(headers2_0))
	# Copyright (C) 1991-2002,2003,2004,2005,2006,2008,2009
	# 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, write to the Free
	# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	# 02111-1307 USA.

	#
	# Master Makefile for the GNU C library
	#
	ifneq (,)
	This makefile requires GNU Make.
	endif

	include Makeconfig


	# This is the default target; it makes everything except the tests.
	.PHONY: all
	all: lib others

	ifneq ($(AUTOCONF),no)

	ifeq ($(with-cvs),yes)
	define autoconf-it-cvs
	test ! -d CVS \|\| cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
	endef
	else
	autoconf-it-cvs =
	endif

	define autoconf-it
	@-rm -f $@.new
	$(AUTOCONF) $(ACFLAGS) $< > $@.new
	chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new
	mv -f $@.new $@
	$(autoconf-it-cvs)
	endef

	configure: configure.in aclocal.m4; $(autoconf-it)
	%/configure: %/configure.in aclocal.m4; $(autoconf-it)
	%/preconfigure: %/preconfigure.in aclocal.m4; $(autoconf-it)

	endif # $(AUTOCONF) = no


	# We don't want to run anything here in parallel.
	.NOTPARALLEL:

	# These are the targets that are made by making them in each subdirectory.
	+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
	subdir_clean subdir_distclean subdir_realclean \
	tests xtests subdir_lint.out \
	subdir_update-abi subdir_check-abi \
	subdir_echo-headers \
	subdir_install \
	subdir_objs subdir_stubs subdir_testclean \
	$(addprefix install-, no-libc.a bin lib data headers others)

	headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
	bits/xopen_lim.h gnu/libc-version.h

	echo-headers: subdir_echo-headers

	# The headers are in the include directory.
	subdir-dirs = include
	vpath %.h $(subdir-dirs)

	# What to install.
	install-others = $(inst_includedir)/gnu/stubs.h
	install-bin-script =

	ifeq (yes,$(build-shared))
	headers += gnu/lib-names.h
	endif

	include Makerules

	ifeq ($(build-programs),yes)
	others: $(addprefix $(objpfx),$(install-bin-script))
	endif

	# Install from subdirectories too.
	install: subdir_install

	# Explicit dependency so that `make install-headers' works
	install-headers: install-headers-nosubdir

	# Make sure that the dynamic linker is installed before libc.
	$(inst_slibdir)/libc-$(version).so: elf/ldso_install

	.PHONY: elf/ldso_install
	elf/ldso_install:
	$(MAKE) -C $(@D) $(@F)

	# Create links for shared libraries using the `ldconfig' program if possible.
	# Ignore the error if we cannot update /etc/ld.so.cache.
	ifeq (no,$(cross-compiling))
	ifeq (yes,$(build-shared))
	install: install-symbolic-link
	.PHONY: install-symbolic-link
	install-symbolic-link: subdir_install
	$(symbolic-link-prog) $(symbolic-link-list)
	rm -f $(symbolic-link-list)

	install:
	-test ! -x $(common-objpfx)elf/ldconfig \|\| LC_ALL=C LANGUAGE=C \
	$(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
	$(slibdir) $(libdir)
	ifneq (no,$(PERL))
	ifeq (/usr,$(prefix))
	ifeq (,$(install_root))
	CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
	endif
	endif
	endif
	endif
	endif

	# Build subdirectory lib objects.
	lib-noranlib: subdir_lib

	ifeq (yes,$(build-shared))
	# Build the shared object from the PIC object library.
	lib: $(common-objpfx)libc.so
	endif


	# This is a handy script for running any dynamically linked program against
	# the current libc build for testing.
	$(common-objpfx)testrun.sh: $(common-objpfx)config.make \
	$(..)Makeconfig $(..)Makefile
	(echo '#!/bin/sh'; \
	echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
	echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
	) > $@T
	chmod a+x $@T
	mv -f $@T $@
	postclean-generated += testrun.sh

	others: $(common-objpfx)testrun.sh

	# Makerules creates a file `stubs' in each subdirectory, which
	# contains `#define __stub_FUNCTION' for each function defined in that
	# directory which is a stub.
	# Here we paste all of these together into <gnu/stubs.h>.

	subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)

	ifeq ($(biarch),no)
	installed-stubs = $(inst_includedir)/gnu/stubs.h
	else
	installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h

	$(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
	$(make-target-directory)
	$(INSTALL_DATA) $< $@

	install-others-nosubdir: $(installed-stubs)
	endif


	# Since stubs.h is never needed when building the library, we simplify the
	# hairy installation process by producing it in place only as the last part
	# of the top-level `make install'. It depends on subdir_install, which
	# iterates over all the subdirs; subdir_install in each subdir depends on
	# the subdir's stubs file. Having more direct dependencies would result in
	# extra iterations over the list for subdirs and many recursive makes.
	$(installed-stubs): include/stubs-prologue.h subdir_install
	$(make-target-directory)
	@rm -f $(objpfx)stubs.h
	(sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
	if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
	then echo 'stubs.h unchanged'; \
	else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
	rm -f $(objpfx)stubs.h

	# This makes the Info or DVI file of the documentation from the Texinfo source.
	.PHONY: info dvi pdf html
	info dvi pdf html:
	$(MAKE) $(PARALLELMFLAGS) -C manual $@

	# This makes all the subdirectory targets.

	# For each target, make it depend on DIR/target for each subdirectory DIR.
	$(+subdir_targets): %: $(addsuffix /%,$(subdirs))

	# Compute a list of all those targets.
	all-subdirs-targets := $(foreach dir,$(subdirs),\
	$(addprefix $(dir)/,$(+subdir_targets)))

	# The action for each of those is to cd into the directory and make the
	# target there.
	$(all-subdirs-targets):
	$(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F)

	define subdir-target-args
	subdir=$(@D)$(if $($(@D)-srcdir),\
	-C $($(@D)-srcdir) ..=`pwd`/,\
	-C $(@D) ..=../)
	endef

	.PHONY: $(+subdir_targets) $(all-subdirs-targets)

	# Targets to clean things up to various degrees.

	.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
	tests-clean

	# Subroutines of all cleaning targets.
	parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
	-rm -f $(foreach o,$(object-suffixes-for-libc),\
	$(common-objpfx)$(patsubst %,$(libtype$o),c)) \
	$(addprefix $(objpfx),$(install-lib))
	parent-clean: parent-mostlyclean common-clean

	postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
	$(addprefix $(objpfx),sysd-dirs sysd-rules) \
	$(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)

	clean: parent-clean
	# This is done this way rather than having `subdir_clean' be a
	# dependency of this target so that libc.a will be removed before the
	# subdirectories are dealt with and so they won't try to remove object
	# files from it when it's going to be removed anyway.
	@$(MAKE) subdir_clean no_deps=t
	-rm -f $(postclean)
	mostlyclean: parent-mostlyclean
	@$(MAKE) subdir_mostlyclean no_deps=t
	-rm -f $(postclean)

	tests-clean:
	@$(MAKE) subdir_testclean no_deps=t

	tests: $(objpfx)c++-types-check.out $(objpfx)check-local-headers.out
	ifneq ($(CXX),no)
	check-data := $(firstword $(wildcard \
	$(foreach D,$(add-ons) scripts,\
	$(patsubst %,$D/data/c++-types-%.data,\
	$(abi-name) \
	$(addsuffix -$(config-os),\
	$(config-machine) \
	$(base-machine))))))
	ifneq (,$(check-data))
	$(objpfx)c++-types-check.out: $(check-data) scripts/check-c++-types.sh
	scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
	else
	$(objpfx)c++-types-check.out:
	@echo 'WARNING C++ tests not run; create a c++-types-XXX file'
	@echo "not run" > $@
	endif
	endif

	$(objpfx)check-local-headers.out: scripts/check-local-headers.sh
	scripts/check-local-headers.sh "$(includedir)" "$(objpfx)" > $@

	ifneq ($(PERL),no)
	installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
	crypt/crypt.h ctype/ctype.h debug/execinfo.h \
	dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \
	gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \
	grp/grp.h gshadow/gshadow.h iconv/iconv.h iconv/gconv.h \
	$(wildcard inet/netinet/*.h) \
	$(wildcard inet/arpa/.h inet/protocols/.h) \
	inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \
	inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \
	io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \
	io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \
	io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \
	libio/stdio.h libio/libio.h locale/locale.h \
	locale/langinfo.h locale/xlocale.h login/utmp.h \
	login/lastlog.h login/pty.h malloc/malloc.h \
	malloc/obstack.h malloc/mcheck.h math/math.h \
	math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \
	$(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \
	nptl/sysdeps/pthread/pthread.h nptl/semaphore.h \
	nss/nss.h posix/sys/utsname.h posix/sys/times.h \
	posix/sys/wait.h posix/sys/types.h posix/unistd.h \
	posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\
	posix/getopt.h posix/tar.h posix/sys/unistd.h \
	posix/sched.h posix/re_comp.h posix/wait.h \
	posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \
	resolv/netdb.h $(wildcard resolv/arpa/*.h) \
	resource/sys/resource.h resource/sys/vlimit.h \
	resource/sys/vtimes.h resource/ulimit.h rt/aio.h \
	rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \
	signal/signal.h signal/sys/signal.h socket/sys/socket.h \
	socket/sys/un.h stdio-common/printf.h \
	stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \
	stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \
	sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \
	stdlib/errno.h stdlib/sys/errno.h string/string.h \
	string/strings.h string/memory.h string/endian.h \
	string/argz.h string/envz.h string/byteswap.h \
	$(wildcard sunrpc/rpc/.h sunrpc/rpcsvc/.h) \
	sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \
	sysvipc/sys/shm.h termios/termios.h \
	termios/sys/termios.h termios/sys/ttychars.h time/time.h \
	time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \
	wctype/wctype.h

	tests: $(objpfx)begin-end-check.out
	$(objpfx)begin-end-check.out: scripts/begin-end-check.pl
	$(PERL) scripts/begin-end-check.pl $(installed-headers) > $@
	endif

	# The realclean target is just like distclean for the parent, but we want
	# the subdirs to know the difference in case they care.
	realclean distclean: parent-clean
	# This is done this way rather than having `subdir_distclean' be a
	# dependency of this target so that libc.a will be removed before the
	# subdirectories are dealt with and so they won't try to remove object
	# files from it when it's going to be removed anyway.
	@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
	sysdep-subdirs="$(sysdep-subdirs)"
	-rm -f $(postclean)

	# Subroutine of distclean and realclean.
	distclean-1: subdir_$(distclean-1)
	-rm -f $(config-generated)
	-rm -f $(addprefix $(objpfx),config.status config.cache config.log)
	-rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
	ifdef objdir
	-rm -f $(objpfx)Makefile
	endif
	-rm -f $(sysdep-$(distclean-1))

	# Make the TAGS file for Emacs users.

	.PHONY: TAGS
	TAGS:
	scripts/list-sources.sh \| sed -n -e '/Makefile/p' \
	$(foreach S,[chsSyl] cxx sh bash pl,\
	$(subst .,\.,-e '/.$S\(.in\)*$$/p')) \
	\| $(ETAGS) -o $@ -

	# Make the distribution tarfile.
	.PHONY: dist dist-prepare

	generated := $(generated) stubs.h

	files-for-dist := README FAQ INSTALL NOTES configure ChangeLog NEWS

	# Regenerate stuff, then error if these things are not committed yet.
	dist-prepare: $(files-for-dist)
	conf=`find sysdeps $(addsuffix /sysdeps,$(sysdeps-add-ons)) \
	-name configure`; \
	$(MAKE) $$conf && \
	git diff --stat HEAD -- $^ $$conf \
	\| $(AWK) '{ print; rc=1 } END { exit rc }'

	%.tar: FORCE
	git archive --prefix=$/ $ > $@.new
	mv -f $@.new $@

	# Do `make dist dist-version=X.Y.Z' to make tar files of an older version.

	ifneq (,$(strip $(dist-version)))
	dist: $(foreach Z,.bz2 .gz .xz,$(dist-version).tar$Z)
	md5sum $^
	else
	dist: dist-prepare
	@if v=`git describe`; then \
	echo Distribution version $$v; \
	$(MAKE) dist dist-version=$$v; \
	else \
	false; \
	fi
	endif

	define format-me
	@rm -f $@
	makeinfo --no-validate --plaintext --no-number-sections $< -o $@
	-chmod a-w $@
	endef
	INSTALL: manual/install.texi; $(format-me)
	NOTES: manual/creature.texi; $(format-me)
	manual/dir-add.texi manual/dir-add.info: FORCE
	$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
	FAQ: scripts/gen-FAQ.pl FAQ.in
	$(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
	ifeq ($(with-cvs),yes)
	test ! -d CVS \|\| cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@
	endif
	FORCE:

	iconvdata/% localedata/% po/% manual/%: FORCE
	$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)

	# glibc 2.0 contains some header files which aren't used with glibc 2.1
	# anymore.
	# These rules should remove those headers
	ifeq (,$(install_root))
	ifeq ($(old-glibc-headers),yes)
	install: remove-old-headers
	endif
	endif

	headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
	errnos.h fcntlbits.h huge_val.h ioctl-types.h \
	ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
	mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
	posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
	selectbits.h semaphorebits.h sigaction.h sigcontext.h \
	signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
	statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
	syscall-list.h termbits.h timebits.h ustatbits.h \
	utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
	xopen_lim.h gnu/types.h sys/ipc_buf.h \
	sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
	sys/shm_buf.h sys/socketcall.h sigstack.h

	.PHONY: remove-old-headers
	remove-old-headers:
	rm -f $(addprefix $(inst_includedir)/, $(headers2_0))