Makefile - chromiumos/third_party/glibc - Git at Google

 # Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
 # published by the Free Software Foundation; either version 2 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
 # Library General Public License for more details.

 # You should have received a copy of the GNU Library General Public
 # License along with the GNU C Library; see the file COPYING.LIB.  If
 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 # Cambridge, MA 02139, USA.

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


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

 define autoconf-it
 @-rm -f $@.new
 autoconf $(ACFLAGS) $< > $@.new
 chmod a-w,a+x $@.new
 mv -f $@.new $@
 test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
 endef

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

 include Makeconfig

 ifndef avoid-generated
 -include $(objpfx)sysd-dirs
 define \n


 endef
 sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
 endif

 # These are the subdirectories containing the library source.
 subdirs = csu assert ctype db locale intl math setjmp signal stdlib	\
 	  stdio-common $(stdio) malloc string time dirent grp pwd	\
 	  posix io termios resource misc socket sysvipc gmon gnulib	\
 	  $(wildcard crypt) manual $(sysdep-subdirs) elf
 export subdirs := $(subdirs)	# Benign, useless in GNU make before 3.63.

 # The mach and hurd subdirectories have many generated header files which
 # much of the rest of the library depends on, so it is best to build them
 # first (and mach before hurd, at that).  The before-compile additions in
 # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
 # not to exist when making in other directories, but it will be slower that
 # way with more somewhat expensive `make' invocations.
 subdirs	:= $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
 	   $(filter-out mach hurd,$(subdirs))

 # All initialization source files.
 +subdir_inits	:= $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c))
 # All subdirectories containing initialization source files.
 +init_subdirs	:= $(patsubst %/,%,$(dir $(+subdir_inits)))


 # 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 subdir_lint.out				\
 		   subdir_echo-headers subdir_echo-distinfo		\
 		   subdir_install $(addprefix install-,			\
 					      no-libc.a bin lib		\
 					      data headers others)

 headers := errno.h sys/errno.h errnos.h limits.h values.h	\
 	   features.h gnu-versions.h
 aux	 = sysdep $(libc-init) version

 echo-headers: subdir_echo-headers

 # What to install.
 install-others = $(includedir)/stubs.h

 ifeq (yes,$(gnu-ld))
 libc-init = set-init
 else
 libc-init = munch-init
 $(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits)
 	awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t
 	mv -f $@-t $@
 generated := $(generated) munch-init.c
 endif


 include Makerules

 # Install from subdirectories too.
 install: subdir_install

 # 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

 $(objpfx)sysd-dirs: $(+sysdir_pfx)config.make
 	(echo define sysdep-subdirs;					      \
 	 for dir in $(sysdirs); do					      \
 	   if [ -r $(sysdep_dir)/$$dir/Subdirs ]; then			      \
 	     sed 's/#.*$$//' $(sysdep_dir)/$$dir/Subdirs;		      \
 	   else true;							      \
 	   fi;								      \
 	 done;								      \
 	 echo endef) > $@-tmp
 	 mv -f $@-tmp $@

 # Makerules creates a file `stub-$(subdir)' for each subdirectory, which
 # contains `#define __stub_FUNCTION' for each function which is a stub.
 # Here we paste all of these together into <stubs.h>.

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

 # 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.
 $(includedir)/stubs.h: subdir_install
 	@rm -f $(objpfx)stubs.h
 	(echo '/* This file is automatically generated.';\
 	 echo '   It defines a symbol `__stub_FUNCTION'\'' for each function';\
 	 echo '   in the C library which is a stub, meaning it will fail';\
 	 echo '   every time called, usually setting errno to ENOSYS.  */';\
 	 sort $(subdir-stubs)) > $(objpfx)stubs.h
 	$(INSTALL_DATA) $(objpfx)stubs.h $@
 	rm -f $(objpfx)stubs.h

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

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

 # Targets to clean things up to various degrees.

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

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

 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.
 	@$(MAKE) subdir_clean no_deps=t
 mostlyclean: parent-mostlyclean
 	@$(MAKE) subdir_mostlyclean no_deps=t

 # 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

 # 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))

 .PHONY: echo_subdirs
 echo_subdirs:;@echo '$(subdirs)'

 .PHONY: echo-distinfo parent_echo-distinfo
 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
 parent_echo-distinfo:
 	@echo $(addprefix +header+,$(headers)) \
 	      $(addprefix +nodist+,$(generated))

 # Make the distribution tarfile.

 distribute  := README INSTALL NOTES COPYING.LIB COPYING NEWS		\
 	       ChangeLog ChangeLog.[0-9]				\
 	       Makefile Makeconfig Makerules Rules Make-dist MakeTAGS	\
 	       extra-lib.mk o-iterator.mk				\
 	       ansidecl.h mkinstalldirs move-if-change install-sh	\
 	       configure configure.in aclocal.m4 config.sub config.guess\
 	       config.make.in config-name.in Makefile.in		\
 	       munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h

 distribute := $(strip $(distribute))
 generated := $(generated) stubs.h

 README: README.template version.c ; # Make-dist should update README.

 define format-me
 @rm -f $@
 makeinfo --no-validate --no-warn --no-headers $< -o $@
 -chmod a-w $@
 endef
 INSTALL: manual/maint.texi; $(format-me)
 NOTES: manual/creature.texi; $(format-me)
	# Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
	# published by the Free Software Foundation; either version 2 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
	# Library General Public License for more details.

	# You should have received a copy of the GNU Library General Public
	# License along with the GNU C Library; see the file COPYING.LIB. If
	# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
	# Cambridge, MA 02139, USA.

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


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

	define autoconf-it
	@-rm -f $@.new
	autoconf $(ACFLAGS) $< > $@.new
	chmod a-w,a+x $@.new
	mv -f $@.new $@
	test ! -d CVS \|\| cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
	endef

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

	include Makeconfig

	ifndef avoid-generated
	-include $(objpfx)sysd-dirs
	define \n


	endef
	sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
	endif

	# These are the subdirectories containing the library source.
	subdirs = csu assert ctype db locale intl math setjmp signal stdlib \
	stdio-common $(stdio) malloc string time dirent grp pwd \
	posix io termios resource misc socket sysvipc gmon gnulib \
	$(wildcard crypt) manual $(sysdep-subdirs) elf
	export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63.

	# The mach and hurd subdirectories have many generated header files which
	# much of the rest of the library depends on, so it is best to build them
	# first (and mach before hurd, at that). The before-compile additions in
	# sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
	# not to exist when making in other directories, but it will be slower that
	# way with more somewhat expensive `make' invocations.
	subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
	$(filter-out mach hurd,$(subdirs))

	# All initialization source files.
	+subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c))
	# All subdirectories containing initialization source files.
	+init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits)))


	# 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 subdir_lint.out \
	subdir_echo-headers subdir_echo-distinfo \
	subdir_install $(addprefix install-, \
	no-libc.a bin lib \
	data headers others)

	headers := errno.h sys/errno.h errnos.h limits.h values.h \
	features.h gnu-versions.h
	aux = sysdep $(libc-init) version

	echo-headers: subdir_echo-headers

	# What to install.
	install-others = $(includedir)/stubs.h

	ifeq (yes,$(gnu-ld))
	libc-init = set-init
	else
	libc-init = munch-init
	$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits)
	awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t
	mv -f $@-t $@
	generated := $(generated) munch-init.c
	endif


	include Makerules

	# Install from subdirectories too.
	install: subdir_install

	# 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

	$(objpfx)sysd-dirs: $(+sysdir_pfx)config.make
	(echo define sysdep-subdirs; \
	for dir in $(sysdirs); do \
	if [ -r $(sysdep_dir)/$$dir/Subdirs ]; then \
	sed 's/#.*$$//' $(sysdep_dir)/$$dir/Subdirs; \
	else true; \
	fi; \
	done; \
	echo endef) > $@-tmp
	mv -f $@-tmp $@

	# Makerules creates a file `stub-$(subdir)' for each subdirectory, which
	# contains `#define __stub_FUNCTION' for each function which is a stub.
	# Here we paste all of these together into <stubs.h>.

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

	# 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.
	$(includedir)/stubs.h: subdir_install
	@rm -f $(objpfx)stubs.h
	(echo '/* This file is automatically generated.';\
	echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
	echo ' in the C library which is a stub, meaning it will fail';\
	echo ' every time called, usually setting errno to ENOSYS. */';\
	sort $(subdir-stubs)) > $(objpfx)stubs.h
	$(INSTALL_DATA) $(objpfx)stubs.h $@
	rm -f $(objpfx)stubs.h

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

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

	# Targets to clean things up to various degrees.

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

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

	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.
	@$(MAKE) subdir_clean no_deps=t
	mostlyclean: parent-mostlyclean
	@$(MAKE) subdir_mostlyclean no_deps=t

	# 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

	# 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))

	.PHONY: echo_subdirs
	echo_subdirs:;@echo '$(subdirs)'

	.PHONY: echo-distinfo parent_echo-distinfo
	echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
	parent_echo-distinfo:
	@echo $(addprefix +header+,$(headers)) \
	$(addprefix +nodist+,$(generated))

	# Make the distribution tarfile.

	distribute := README INSTALL NOTES COPYING.LIB COPYING NEWS \
	ChangeLog ChangeLog.[0-9] \
	Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
	extra-lib.mk o-iterator.mk \
	ansidecl.h mkinstalldirs move-if-change install-sh \
	configure configure.in aclocal.m4 config.sub config.guess\
	config.make.in config-name.in Makefile.in \
	munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h

	distribute := $(strip $(distribute))
	generated := $(generated) stubs.h

	README: README.template version.c ; # Make-dist should update README.

	define format-me
	@rm -f $@
	makeinfo --no-validate --no-warn --no-headers $< -o $@
	-chmod a-w $@
	endef
	INSTALL: manual/maint.texi; $(format-me)
	NOTES: manual/creature.texi; $(format-me)