1 # Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
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.
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.
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 not,
16 # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 # Boston, MA 02111-1307, USA.
20 # Master Makefile for the GNU C library
23 This makefile requires GNU Make.
27 # This is the default target; it makes everything except the tests.
31 ifeq ($(with-cvs
),yes
)
34 autoconf
$(ACFLAGS
) $< > $@.new
37 test ! -d CVS || cvs
$(CVSOPTS
) commit
-m
'Regenerated: autoconf $(ACFLAGS) $<' $@
42 autoconf
$(ACFLAGS
) $< > $@.new
48 configure
: configure.in aclocal.m4
; $(autoconf-it
)
49 %/configure
: %/configure.in aclocal.m4
; $(autoconf-it
)
53 ifndef avoid-generated
54 -include $(objpfx
)sysd-dirs
59 sysdep-subdirs
:= $(subst $(\n), ,$(sysdep-subdirs
))
62 # These are the subdirectories containing the library source.
63 subdirs
= csu assert ctype db2 locale intl catgets math setjmp signal stdlib \
64 stdio-common
$(stdio
) malloc string wcsmbs time dirent grp pwd \
65 posix io termios resource misc socket sysvipc gmon gnulib iconv \
66 iconvdata wctype manual shadow md5-crypt po argp
$(add-ons
) nss \
67 localedata timezone rt
$(sysdep-subdirs
) $(binfmt-subdir
)
68 export subdirs
:= $(subdirs
) # Benign, useless in GNU make before 3.63.
70 # The mach and hurd subdirectories have many generated header files which
71 # much of the rest of the library depends on, so it is best to build them
72 # first (and mach before hurd, at that). The before-compile additions in
73 # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
74 # not to exist when making in other directories, but it will be slower that
75 # way with more somewhat expensive `make' invocations.
76 subdirs
:= $(filter mach
,$(subdirs
)) $(filter hurd
,$(subdirs
)) \
77 $(filter-out mach hurd
,$(subdirs
))
79 # All initialization source files.
80 +subdir_inits
:= $(wildcard $(foreach dir,$(subdirs
),$(dir)/init-
$(dir).c
))
81 # All subdirectories containing initialization source files.
82 +init_subdirs
:= $(patsubst %/,%,$(dir $(+subdir_inits
)))
85 # These are the targets that are made by making them in each subdirectory.
86 +subdir_targets
:= subdir_lib objects objs others subdir_mostlyclean \
87 subdir_clean subdir_distclean subdir_realclean \
88 tests subdir_lint.out \
90 subdir_echo-headers subdir_echo-distinfo \
92 $(addprefix install-
, no-libc.a bin lib data headers others
)
94 headers
:= errno.h sys
/errno.h bits
/errno.h limits.h values.h \
95 features.h gnu-versions.h bits
/libc-lock.h bits
/xopen_lim.h \
97 aux
= sysdep
$(libc-init
) version
98 before-compile
+= $(objpfx
)version-info.h
100 echo-headers
: subdir_echo-headers
102 # The headers are in the include directory.
103 subdir-dirs
= include
104 vpath
%.h
$(subdir-dirs
)
107 install-others
= $(inst_includedir
)/gnu
/stubs.h
108 install-bin
= glibcbug
110 ifeq (yes
,$(build-shared
))
111 install-others
+= $(inst_includedir
)/gnu
/lib-names.h
117 libc-init
= munch-init
118 $(objpfx
)munch-init.c
: munch.awk munch-tmpl.c
$(+subdir_inits
)
119 awk
-f
$< subdirs
='$(+init_subdirs)' $(word 2,$^
) > $@
-t
121 generated
:= $(generated
) munch-init.c
127 # Install from subdirectories too.
128 install: subdir_install
130 # Make sure that the dynamic linker is installed before libc.
131 $(inst_slibdir
)/libc-
$(version
).so
: elf
/ldso_install
133 .PHONY
: elf
/ldso_install
135 $(MAKE
) -C
$(@D
) $(@F
)
137 # Create links for shared libraries using the `ldconfig' program is possible.
138 # Ignore the error if we cannot update /etc/ld.so.cache.
139 ifeq (no
,$(cross-compiling
))
140 ifeq (yes
,$(build-shared
))
142 -test ! -x
$(common-objpfx
)elf
/ldconfig || \
143 $(common-objpfx
)elf
/ldconfig
-d
$(inst_slibdir
) $(inst_libdir
)
145 ifeq (/usr
,$(prefix))
146 ifeq (,$(install_root
))
147 CC
="$(CC)" $(PERL
) test-installation.pl
$(common-objpfx
)
154 # Build subdirectory lib objects.
155 lib-noranlib
: subdir_lib
157 ifeq (yes
,$(build-shared
))
158 # Build the shared object from the PIC object library.
159 lib
: $(common-objpfx
)libc.so
162 all-Subdirs-files
= $(wildcard $(addsuffix /Subdirs
, $(config-sysdirs
)))
163 $(objpfx
)sysd-dirs
: $(+sysdir_pfx
)config.make
$(all-Subdirs-files
)
164 (echo
define sysdep-subdirs
; \
165 sed
's/#.*$$//' $(all-Subdirs-files
) /dev
/null
; \
169 all-Banner-files
= $(wildcard $(addsuffix /Banner
, $(subdirs
)))
170 $(objpfx
)version-info.h
: $(+sysdir_pfx
)config.make
$(all-Banner-files
)
171 (case
$(config-os
) in \
172 linux
*) version
=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\
174 sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\
175 if
[ -z
"$$version" ]; then \
176 if
[ -r
/proc
/version
]; then \
177 version
=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \
180 version
=`uname -r`; \
183 echo
-n
"\"Compiled on a Linux $$version system "; \
184 echo
"on `date +%Y-%m-%d`.\\n\"" ;; \
187 files
="$(all-Banner-files)"; \
188 if
test -n
"$$files"; then \
189 echo
"\"Available extensions:"; \
190 sed
-e
'/^#/d' -e
's/^[[:space:]]*/ /' $$files; \
195 version.c-objects
:= $(addprefix $(objpfx
)version
,$(object-suffixes
))
196 $(version.c-objects
): $(objpfx
)version-info.h
198 # Makerules creates a file `stub-$(subdir)' for each subdirectory, which
199 # contains `#define __stub_FUNCTION' for each function which is a stub.
200 # Here we paste all of these together into <gnu/stubs.h>.
202 subdir-stubs
:= $(foreach dir,$(subdirs
),$(common-objpfx
)stub-
$(dir))
204 # Since stubs.h is never needed when building the library, we simplify the
205 # hairy installation process by producing it in place only as the last part
206 # of the top-level `make install'. It depends on subdir_install, which
207 # iterates over all the subdirs; subdir_install in each subdir depends on
208 # the subdir's stubs file. Having more direct dependencies would result in
209 # extra iterations over the list for subdirs and many recursive makes.
210 $(inst_includedir
)/gnu
/stubs.h
: subdir_install
211 $(make-target-directory
)
212 @
rm -f
$(objpfx
)stubs.h
213 (echo
'/* This file is automatically generated.';\
214 echo
' It defines a symbol `__stub_FUNCTION'\'' for each function';\
215 echo
' in the C library which is a stub, meaning it will fail';\
216 echo
' every time called, usually setting errno to ENOSYS. */';\
217 sort $(subdir-stubs
)) > $(objpfx
)stubs.h
218 if
test -r
$@
&& cmp
-s
$(objpfx
)stubs.h
$@
; \
219 then echo
'stubs.h unchanged'; \
220 else $(INSTALL_DATA
) $(objpfx
)stubs.h
$@
; fi
221 rm -f
$(objpfx
)stubs.h
223 ifeq (yes
,$(build-shared
))
225 $(inst_includedir
)/gnu
/lib-names.h
: $(common-objpfx
)gnu
/lib-names.h
226 $(make-target-directory
)
227 if
test -r
$@
&& cmp
-s
$< $@
; \
228 then echo
'gnu/lib-names.h unchanged'; \
229 else $(INSTALL_DATA
) $< $@
; fi
232 # The `glibcbug' script contains the version number and it shall be rebuild
233 # whenever this changes or the `glibcbug.in' file.
234 $(objpfx
)glibcbug
: $(common-objpfx
)config.status glibcbug.in
235 cd
$(<D
); CONFIG_FILES
=$(@F
) CONFIG_HEADERS
= $(SHELL
) $(<F
)
237 # This makes the Info or DVI file of the documentation from the Texinfo source.
240 $(MAKE
) $(PARALLELMFLAGS
) -C manual
$@
242 # This makes all the subdirectory targets.
244 # For each target, make it depend on DIR/target for each subdirectory DIR.
245 $(+subdir_targets
): %: $(addsuffix /%,$(subdirs
))
247 # Compute a list of all those targets.
248 all-subdirs-targets
:= $(foreach dir,$(subdirs
),\
249 $(addprefix $(dir)/,$(+subdir_targets
)))
251 # The action for each of those is to cd into the directory and make the
253 $(all-subdirs-targets
):
254 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
256 .PHONY
: $(+subdir_targets
) $(all-subdirs-targets
)
258 # Targets to clean things up to various degrees.
260 .PHONY
: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
262 # Subroutines of all cleaning targets.
263 parent-mostlyclean
: common-mostlyclean
# common-mostlyclean is in Makerules.
264 -rm -f
$(foreach o
,$(object-suffixes
),\
265 $(common-objpfx
)$(patsubst %,$(libtype
$o),c
)) \
266 $(addprefix $(objpfx
),$(install-lib
))
267 parent-clean
: parent-mostlyclean common-clean
269 postclean
= $(addprefix $(common-objpfx
),$(postclean-generated
)) \
270 $(addprefix $(objpfx
),sysd-Makefile sysd-dirs sysd-rules
)
273 # This is done this way rather than having `subdir_clean' be a
274 # dependency of this target so that libc.a will be removed before the
275 # subdirectories are dealt with and so they won't try to remove object
276 # files from it when it's going to be removed anyway.
277 @
$(MAKE
) subdir_clean no_deps
=t
278 mostlyclean: parent-mostlyclean
279 @
$(MAKE
) subdir_mostlyclean no_deps
=t
282 # The realclean target is just like distclean for the parent, but we want
283 # the subdirs to know the difference in case they care.
284 realclean distclean: parent-clean
285 # This is done this way rather than having `subdir_distclean' be a
286 # dependency of this target so that libc.a will be removed before the
287 # subdirectories are dealt with and so they won't try to remove object
288 # files from it when it's going to be removed anyway.
289 @
$(MAKE
) distclean-1 no_deps
=t distclean-1
=$@ avoid-generated
=yes \
290 sysdep-subdirs
="$(sysdep-subdirs)"
293 # Subroutine of distclean and realclean.
294 distclean-1
: subdir_
$(distclean-1
)
295 -rm -f
$(config-generated
)
296 -rm -f
$(addprefix $(objpfx
),config.status config.cache config.log
)
297 -rm -f
$(addprefix $(objpfx
),config.make config-name.h config.h
)
298 -rm -f
$(addprefix $(objpfx
),glibcbug
)
300 -rm -f
$(objpfx
)Makefile
302 -rm -f
$(sysdep-
$(distclean-1
))
305 echo_subdirs
:;@echo
'$(subdirs)'
307 .PHONY
: echo-distinfo parent_echo-distinfo
308 echo-distinfo
: parent_echo-distinfo subdir_echo-distinfo
309 parent_echo-distinfo
:
310 @echo
$(addprefix +header
+,$(headers
)) \
311 $(addprefix +nodist
+,$(generated
))
314 # Make the distribution tarfile.
316 distribute
:= README README.libm INSTALL FAQ NOTES NEWS PROJECTS BUGS \
317 COPYING.LIB COPYING ChangeLog ChangeLog.
[0-9] \
318 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
319 extra-lib.mk o-iterator.mk \
320 libc.map mkinstalldirs move-if-change install-sh \
321 configure configure.in aclocal.m4 config.sub config.guess\
322 config.h.in config.make.in config-name.in Makefile.in \
323 autolock.sh rellns-sh munch-tmpl.c munch.awk interp.c \
324 sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
325 rpm
/Makefile rpm
/template rpm
/rpmrc glibcbug.in abi-tags \
326 stub-tag.h test-installation.pl
328 distribute
:= $(strip $(distribute
))
329 generated
:= $(generated
) stubs.h version-info.h
331 README
: README.template version.h
; # Make-dist should update README.
335 makeinfo --no-validate
--no-warn
--no-headers
$< -o
$@
338 INSTALL
: manual
/maint.texi
; $(format-me
)
339 NOTES
: manual
/creature.texi
; $(format-me
)
340 manual
/dir-add.texi manual
/dir-add.
info: FORCE
341 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
342 FAQ
: gen-FAQ.pl FAQ.in
343 $(PERL
) $^
> $@.new
&& rm -f
$@
&& mv
$@.new
$@
&& chmod a-w
$@
346 rpm
/%: subdir_distinfo
347 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) subdirs
='$(subdirs)' $(@F
)
350 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
352 # This is a special goal for people making binary distributions. Normally
353 # everybody uses the DES based crypt library but for the distribution we
354 # need the only-MD5 based one as well.
355 md5-crypt
/libmd5crypt
:
356 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)