[thirdparty/glibc.git] / Makefile

# 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
\f
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 aclocal.m4; $(autoconf-it)
%/configure: %/configure.in aclocal.m4; $(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 catgets math setjmp signal stdlib \
	  stdio-common $(stdio) malloc string wcsmbs time dirent grp pwd\
	  posix io termios resource misc login socket sysvipc gmon gnulib \
	  wctype manual shadow $(sysdep-subdirs) nss elf po $(add-ons)
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_distinfo					\
		   subdir_echo-headers subdir_echo-distinfo		\
		   subdir_install $(addprefix install-,			\
					      no-libc.a bin lib		\
					      data headers others)
\f
headers := errno.h sys/errno.h errnos.h limits.h values.h	\
	   features.h gnu-versions.h libc-lock.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 $@
\f
# Makerules creates a file `stub-$(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
	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
\f
# This makes the Info or DVI file of the documentation from the Texinfo source.
.PHONY: info dvi
info dvi:
	$(MAKE) -C manual $@
\f
# 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)
\f
# 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))
\f
.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))

\f
# Make the distribution tarfile.

distribute  := README INSTALL FAQ NOTES NEWS PROJECTS			\
	       COPYING.LIB COPYING 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.h.in config.make.in config-name.in Makefile.in	\
	       autolock.sh munch-tmpl.c munch.awk \
	       sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
	       rpm/Makefile rpm/template rpm/rpmrc

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)

rpm/%: subdir_distinfo
	$(MAKE) -C $(@D) subdirs='$(subdirs)' $(@F)
Commit	Line	Data
a2e1b046	1	# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
28f540f4 RM	2	# This file is part of the GNU C Library.
	3
	4	# The GNU C Library is free software; you can redistribute it and/or
	5	# modify it under the terms of the GNU Library General Public License as
	6	# published by the Free Software Foundation; either version 2 of the
	7	# License, or (at your option) any later version.
	8
	9	# The GNU C Library is distributed in the hope that it will be useful,
	10	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	# Library General Public License for more details.
	13
	14	# You should have received a copy of the GNU Library General Public
	15	# License along with the GNU C Library; see the file COPYING.LIB. If
	16	# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
	17	# Cambridge, MA 02139, USA.
	18
	19	#
	20	# Master Makefile for the GNU C library
	21	#
	22	ifneq (,)
	23	This makefile requires GNU Make.
	24	endif
	25
	26
	27	# This is the default target; it makes everything except the tests.
	28	.PHONY: all
	29	all: lib others
	30	\f
	31	define autoconf-it
587dbc6f	32	@-rm -f $@.new
28f540f4	33	autoconf $(ACFLAGS) $< > $@.new
587dbc6f	34	chmod a-w,a+x $@.new
28f540f4	35	mv -f $@.new $@
a2fe9c76	36	test ! -d CVS \|\| cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
28f540f4 RM	37	endef
28f540f4 RM	38
dbdb6189 RM	39	configure: configure.in aclocal.m4; $(autoconf-it)
dbdb6189 RM	40	%/configure: %/configure.in aclocal.m4; $(autoconf-it)
28f540f4 RM	41
	42	include Makeconfig
	43
	44	ifndef avoid-generated
b86199fb	45	-include $(objpfx)sysd-dirs
28f540f4 RM	46	define \n
	47
	48
	49	endef
	50	sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
	51	endif
	52
	53	# These are the subdirectories containing the library source.
a641835a	54	subdirs = csu assert ctype db locale intl catgets math setjmp signal stdlib \
a482b5a5	55	stdio-common $(stdio) malloc string wcsmbs time dirent grp pwd\
b8fe19fa	56	posix io termios resource misc login socket sysvipc gmon gnulib \
a8922de8	57	wctype manual shadow $(sysdep-subdirs) nss elf po $(add-ons)
28f540f4 RM	58	export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63.
	59
	60	# The mach and hurd subdirectories have many generated header files which
24906b43	61	# much of the rest of the library depends on, so it is best to build them
28f540f4 RM	62	# first (and mach before hurd, at that). The before-compile additions in
	63	# sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
	64	# not to exist when making in other directories, but it will be slower that
	65	# way with more somewhat expensive `make' invocations.
	66	subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
	67	$(filter-out mach hurd,$(subdirs))
	68
	69	# All initialization source files.
	70	+subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c))
	71	# All subdirectories containing initialization source files.
	72	+init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits)))
	73
	74
	75	# These are the targets that are made by making them in each subdirectory.
	76	+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
	77	subdir_clean subdir_distclean subdir_realclean \
	78	tests subdir_lint.out \
6a441471	79	subdir_distinfo \
28f540f4 RM	80	subdir_echo-headers subdir_echo-distinfo \
	81	subdir_install $(addprefix install-, \
	82	no-libc.a bin lib \
	83	data headers others)
	84	\f
de9ba9bd	85	headers := errno.h sys/errno.h errnos.h limits.h values.h \
3d3ac840	86	features.h gnu-versions.h libc-lock.h
28f540f4 RM	87	aux = sysdep $(libc-init) version
	88
	89	echo-headers: subdir_echo-headers
	90
	91	# What to install.
	92	install-others = $(includedir)/stubs.h
	93
	94	ifeq (yes,$(gnu-ld))
	95	libc-init = set-init
	96	else
	97	libc-init = munch-init
	98	$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits)
	99	awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t
	100	mv -f $@-t $@
	101	generated := $(generated) munch-init.c
	102	endif
	103
	104
	105	include Makerules
	106
	107	# Install from subdirectories too.
	108	install: subdir_install
	109
01a36ad3 RM	110	# Build subdirectory lib objects.
01a36ad3 RM	111	lib-noranlib: subdir_lib
28f540f4	112
01a36ad3 RM	113	ifeq (yes,$(build-shared))
	114	# Build the shared object from the PIC object library.
	115	lib: $(common-objpfx)libc.so
	116	endif
28f540f4 RM	117
	118	$(objpfx)sysd-dirs: $(+sysdir_pfx)config.make
	119	(echo define sysdep-subdirs; \
	120	for dir in $(sysdirs); do \
	121	if [ -r $(sysdep_dir)/$$dir/Subdirs ]; then \
	122	sed 's/#.*$$//' $(sysdep_dir)/$$dir/Subdirs; \
	123	else true; \
	124	fi; \
	125	done; \
	126	echo endef) > $@-tmp
	127	mv -f $@-tmp $@
	128	\f
	129	# Makerules creates a file `stub-$(subdir)' for each subdirectory, which
	130	# contains `#define __stub_FUNCTION' for each function which is a stub.
	131	# Here we paste all of these together into <stubs.h>.
	132
	133	subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)stub-$(dir))
	134
	135	# Since stubs.h is never needed when building the library, we simplify the
	136	# hairy installation process by producing it in place only as the last part
	137	# of the top-level `make install'. It depends on subdir_install, which
	138	# iterates over all the subdirs; subdir_install in each subdir depends on
	139	# the subdir's stubs file. Having more direct dependencies would result in
	140	# extra iterations over the list for subdirs and many recursive makes.
	141	$(includedir)/stubs.h: subdir_install
	142	@rm -f $(objpfx)stubs.h
	143	(echo '/* This file is automatically generated.';\
	144	echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
	145	echo ' in the C library which is a stub, meaning it will fail';\
	146	echo ' every time called, usually setting errno to ENOSYS. */';\
	147	sort $(subdir-stubs)) > $(objpfx)stubs.h
13a0be88	148	if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
80791291	149	then echo stubs.h unchanged ; \
d36e7692	150	else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
28f540f4 RM	151	rm -f $(objpfx)stubs.h
	152	\f
	153	# This makes the Info or DVI file of the documentation from the Texinfo source.
	154	.PHONY: info dvi
	155	info dvi:
	156	$(MAKE) -C manual $@
	157	\f
	158	# This makes all the subdirectory targets.
	159
	160	# For each target, make it depend on DIR/target for each subdirectory DIR.
	161	$(+subdir_targets): %: $(addsuffix /%,$(subdirs))
	162
	163	# Compute a list of all those targets.
	164	all-subdirs-targets := $(foreach dir,$(subdirs),\
	165	$(addprefix $(dir)/,$(+subdir_targets)))
	166
	167	# The action for each of those is to cd into the directory and make the
	168	# target there.
	169	$(all-subdirs-targets):
	170	$(MAKE) -C $(@D) $(@F)
	171
	172	.PHONY: $(+subdir_targets) $(all-subdirs-targets)
	173	\f
	174	# Targets to clean things up to various degrees.
	175
	176	.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
	177
	178	# Subroutines of all cleaning targets.
	179	parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
60092701 RM	180	-rm -f $(foreach o,$(object-suffixes),\
	181	$(common-objpfx)$(patsubst %,$(libtype$o),c)) \
	182	$(addprefix $(objpfx),$(install-lib))
28f540f4 RM	183	parent-clean: parent-mostlyclean common-clean
28f540f4 RM	184	-rm -f $(addprefix $(common-objpfx),$(common-generated))
6bf02878	185	-rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules)
28f540f4 RM	186
	187	clean: parent-clean
	188	# This is done this way rather than having `subdir_clean' be a
	189	# dependency of this target so that libc.a will be removed before the
	190	# subdirectories are dealt with and so they won't try to remove object
	191	# files from it when it's going to be removed anyway.
	192	@$(MAKE) subdir_clean no_deps=t
	193	mostlyclean: parent-mostlyclean
	194	@$(MAKE) subdir_mostlyclean no_deps=t
	195
	196	# The realclean target is just like distclean for the parent, but we want
	197	# the subdirs to know the difference in case they care.
	198	realclean distclean: parent-clean
	199	# This is done this way rather than having `subdir_distclean' be a
	200	# dependency of this target so that libc.a will be removed before the
	201	# subdirectories are dealt with and so they won't try to remove object
	202	# files from it when it's going to be removed anyway.
	203	@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes
	204
	205	# Subroutine of distclean and realclean.
	206	distclean-1: subdir_$(distclean-1)
	207	-rm -f $(config-generated)
60092701 RM	208	-rm -f $(addprefix $(objpfx),config.status config.cache config.log)
60092701 RM	209	-rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
28f540f4 RM	210	ifdef objdir
	211	-rm -f $(objpfx)Makefile
	212	endif
	213	-rm -f $(sysdep-$(distclean-1))
	214	\f
	215	.PHONY: echo_subdirs
	216	echo_subdirs:;@echo '$(subdirs)'
	217
	218	.PHONY: echo-distinfo parent_echo-distinfo
	219	echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
	220	parent_echo-distinfo:
	221	@echo $(addprefix +header+,$(headers)) \
	222	$(addprefix +nodist+,$(generated))
6a441471	223
28f540f4 RM	224	\f
	225	# Make the distribution tarfile.
	226
0200214b	227	distribute := README INSTALL FAQ NOTES NEWS PROJECTS \
9f447fb3	228	COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
28f540f4	229	Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
693e7b96	230	extra-lib.mk o-iterator.mk \
28f540f4 RM	231	ansidecl.h mkinstalldirs move-if-change install-sh \
28f540f4 RM	232	configure configure.in aclocal.m4 config.sub config.guess\
9f447fb3	233	config.h.in config.make.in config-name.in Makefile.in \
6e953631	234	autolock.sh munch-tmpl.c munch.awk \
748050b3 RM	235	sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
748050b3 RM	236	rpm/Makefile rpm/template rpm/rpmrc
28f540f4 RM	237
	238	distribute := $(strip $(distribute))
	239	generated := $(generated) stubs.h
	240
	241	README: README.template version.c ; # Make-dist should update README.
	242
	243	define format-me
	244	@rm -f $@
	245	makeinfo --no-validate --no-warn --no-headers $< -o $@
	246	-chmod a-w $@
	247	endef
	248	INSTALL: manual/maint.texi; $(format-me)
	249	NOTES: manual/creature.texi; $(format-me)
6a441471 RM	250
	251	rpm/%: subdir_distinfo
	252	$(MAKE) -C $(@D) subdirs='$(subdirs)' $(@F)