1 # Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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.
33 autoconf
$(ACFLAGS
) $< > $@.new
36 test ! -d CVS || cvs commit
-m
'Regenerated: autoconf $(ACFLAGS) $<' $@
39 configure
: configure.in aclocal.m4
; $(autoconf-it
)
40 %/configure
: %/configure.in aclocal.m4
; $(autoconf-it
)
44 ifndef avoid-generated
45 -include $(objpfx
)sysd-dirs
50 sysdep-subdirs
:= $(subst $(\n), ,$(sysdep-subdirs
))
53 # These are the subdirectories containing the library source.
54 subdirs
= csu assert ctype db locale intl catgets math setjmp signal stdlib \
55 stdio-common
$(stdio
) malloc string wcsmbs time dirent grp pwd \
56 posix io termios resource misc login socket sysvipc gmon gnulib \
57 wctype manual shadow md5-crypt nss
$(sysdep-subdirs
) po argp \
58 $(add-ons
) $(binfmt-subdir
)
59 export subdirs
:= $(subdirs
) # Benign, useless in GNU make before 3.63.
61 # The mach and hurd subdirectories have many generated header files which
62 # much of the rest of the library depends on, so it is best to build them
63 # first (and mach before hurd, at that). The before-compile additions in
64 # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
65 # not to exist when making in other directories, but it will be slower that
66 # way with more somewhat expensive `make' invocations.
67 subdirs
:= $(filter mach
,$(subdirs
)) $(filter hurd
,$(subdirs
)) \
68 $(filter-out mach hurd
,$(subdirs
))
70 # All initialization source files.
71 +subdir_inits
:= $(wildcard $(foreach dir,$(subdirs
),$(dir)/init-
$(dir).c
))
72 # All subdirectories containing initialization source files.
73 +init_subdirs
:= $(patsubst %/,%,$(dir $(+subdir_inits
)))
76 # These are the targets that are made by making them in each subdirectory.
77 +subdir_targets
:= subdir_lib objects objs others subdir_mostlyclean \
78 subdir_clean subdir_distclean subdir_realclean \
79 tests subdir_lint.out \
81 subdir_echo-headers subdir_echo-distinfo \
83 $(addprefix install-
, no-libc.a bin lib data headers others
)
85 headers
:= errno.h sys
/errno.h bits
/errno.h limits.h values.h \
86 features.h gnu-versions.h bits
/libc-lock.h bits
/xopen_lim.h
87 aux
= sysdep
$(libc-init
) version
88 before-compile
+= $(objpfx
)version-info.h
90 echo-headers
: subdir_echo-headers
93 install-others
= $(inst_includedir
)/gnu
/stubs.h
94 install-bin
= glibcbug
96 ifeq (yes
,$(build-shared
))
97 install-others
+= $(inst_includedir
)/gnu
/lib-names.h
103 libc-init
= munch-init
104 $(objpfx
)munch-init.c
: munch.awk munch-tmpl.c
$(+subdir_inits
)
105 awk
-f
$< subdirs
='$(+init_subdirs)' $(word 2,$^
) > $@
-t
107 generated
:= $(generated
) munch-init.c
113 # Install from subdirectories too.
114 install: subdir_install
116 # Create linkfs for shared libraries using the `ldconfig' program is possible.
117 # Ignore the error if we cannot update /etc/ld.so.cache.
118 ifeq (no
,$(cross-compiling
))
119 ifeq (yes
,$(build-shared
))
121 -test ! -x
$(common-objpfx
)elf
/ldconfig || \
122 $(common-objpfx
)elf
/ldconfig
-d
$(inst_slibdir
) $(inst_libdir
)
126 # Build subdirectory lib objects.
127 lib-noranlib
: subdir_lib
129 ifeq (yes
,$(build-shared
))
130 # Build the shared object from the PIC object library.
131 lib
: $(common-objpfx
)libc.so
134 all-Subdirs-files
= $(wildcard $(addsuffix /Subdirs
, $(config-sysdirs
)))
135 $(objpfx
)sysd-dirs
: $(+sysdir_pfx
)config.make
$(all-Subdirs-files
)
136 (echo
define sysdep-subdirs
; \
137 sed
's/#.*$$//' $(all-Subdirs-files
) /dev
/null
; \
141 all-Banner-files
= $(wildcard $(addsuffix /Banner
, $(subdirs
)))
142 $(objpfx
)version-info.h
: $(+sysdir_pfx
)config.make
$(all-Banner-files
)
143 (case
$(config-os
) in \
144 linux
*) version
=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\
146 sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\
147 if
[ -z
"$$version" ]; then \
148 if
[ -r
/proc
/version
]; then \
149 version
=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \
152 version
=`uname -r`; \
155 echo
-n
"\"Compiled on a Linux $$version system "; \
156 echo
"on `date +%Y/%m/%d`.\\n\"" ;; \
159 files
="$(all-Banner-files)"; \
160 if
test -n
"$$files"; then \
161 echo
"\"Available extensions:"; \
162 sed
-e
'/^#/d' -e
's/^[[:space:]]*/ /' $$files; \
166 generated
+= version-info.h
168 version.c-objects
:= $(addprefix $(objpfx
)version
,$(object-suffixes
))
169 $(version.c-objects
): $(objpfx
)version-info.h
171 # Makerules creates a file `stub-$(subdir)' for each subdirectory, which
172 # contains `#define __stub_FUNCTION' for each function which is a stub.
173 # Here we paste all of these together into <gnu/stubs.h>.
175 subdir-stubs
:= $(foreach dir,$(subdirs
),$(common-objpfx
)stub-
$(dir))
177 # Since stubs.h is never needed when building the library, we simplify the
178 # hairy installation process by producing it in place only as the last part
179 # of the top-level `make install'. It depends on subdir_install, which
180 # iterates over all the subdirs; subdir_install in each subdir depends on
181 # the subdir's stubs file. Having more direct dependencies would result in
182 # extra iterations over the list for subdirs and many recursive makes.
183 $(inst_includedir
)/gnu
/stubs.h
: subdir_install
184 $(make-target-directory
)
185 @
rm -f
$(objpfx
)stubs.h
186 (echo
'/* This file is automatically generated.';\
187 echo
' It defines a symbol `__stub_FUNCTION'\'' for each function';\
188 echo
' in the C library which is a stub, meaning it will fail';\
189 echo
' every time called, usually setting errno to ENOSYS. */';\
190 sort $(subdir-stubs
)) > $(objpfx
)stubs.h
191 if
test -r
$@
&& cmp
-s
$(objpfx
)stubs.h
$@
; \
192 then echo
'stubs.h unchanged'; \
193 else $(INSTALL_DATA
) $(objpfx
)stubs.h
$@
; fi
194 rm -f
$(objpfx
)stubs.h
196 ifeq (yes
,$(build-shared
))
198 $(inst_includedir
)/gnu
/lib-names.h
: $(common-objpfx
)gnu
/lib-names.h
199 $(make-target-directory
)
200 if
test -r
$@
&& cmp
-s
$< $@
; \
201 then echo
'gnu/lib-names.h unchanged'; \
202 else $(INSTALL_DATA
) $< $@
; fi
205 # The `glibcbug' script contains the version number and it shall be rebuild
206 # whenever this changes or the `glibcbug.in' file.
207 $(objpfx
)glibcbug
: $(common-objpfx
)config.status glibcbug.in
208 cd
$(<D
); CONFIG_FILES
=$(@F
) CONFIG_HEADERS
= $(SHELL
) $(<F
)
210 # This makes the Info or DVI file of the documentation from the Texinfo source.
213 $(MAKE
) $(PARALLELMFLAGS
) -C manual
$@
215 # This makes all the subdirectory targets.
217 # For each target, make it depend on DIR/target for each subdirectory DIR.
218 $(+subdir_targets
): %: $(addsuffix /%,$(subdirs
))
220 # Compute a list of all those targets.
221 all-subdirs-targets
:= $(foreach dir,$(subdirs
),\
222 $(addprefix $(dir)/,$(+subdir_targets
)))
224 # The action for each of those is to cd into the directory and make the
226 $(all-subdirs-targets
):
227 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
229 .PHONY
: $(+subdir_targets
) $(all-subdirs-targets
)
231 # Targets to clean things up to various degrees.
233 .PHONY
: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
235 # Subroutines of all cleaning targets.
236 parent-mostlyclean
: common-mostlyclean
# common-mostlyclean is in Makerules.
237 -rm -f
$(foreach o
,$(object-suffixes
),\
238 $(common-objpfx
)$(patsubst %,$(libtype
$o),c
)) \
239 $(addprefix $(objpfx
),$(install-lib
))
240 parent-clean
: parent-mostlyclean common-clean
241 -rm -f
$(addprefix $(common-objpfx
),$(common-generated
))
242 -rm -f
$(addprefix $(objpfx
),sysd-Makefile sysd-dirs sysd-rules
)
245 # This is done this way rather than having `subdir_clean' be a
246 # dependency of this target so that libc.a will be removed before the
247 # subdirectories are dealt with and so they won't try to remove object
248 # files from it when it's going to be removed anyway.
249 @
$(MAKE
) subdir_clean no_deps
=t
250 mostlyclean: parent-mostlyclean
251 @
$(MAKE
) subdir_mostlyclean no_deps
=t
253 # The realclean target is just like distclean for the parent, but we want
254 # the subdirs to know the difference in case they care.
255 realclean distclean: parent-clean
256 # This is done this way rather than having `subdir_distclean' be a
257 # dependency of this target so that libc.a will be removed before the
258 # subdirectories are dealt with and so they won't try to remove object
259 # files from it when it's going to be removed anyway.
260 @
$(MAKE
) distclean-1 no_deps
=t distclean-1
=$@ avoid-generated
=yes
262 # Subroutine of distclean and realclean.
263 distclean-1
: subdir_
$(distclean-1
)
264 -rm -f
$(config-generated
)
265 -rm -f
$(addprefix $(objpfx
),config.status config.cache config.log
)
266 -rm -f
$(addprefix $(objpfx
),config.make config-name.h config.h
)
268 -rm -f
$(objpfx
)Makefile
270 -rm -f
$(sysdep-
$(distclean-1
))
273 echo_subdirs
:;@echo
'$(subdirs)'
275 .PHONY
: echo-distinfo parent_echo-distinfo
276 echo-distinfo
: parent_echo-distinfo subdir_echo-distinfo
277 parent_echo-distinfo
:
278 @echo
$(addprefix +header
+,$(headers
)) \
279 $(addprefix +nodist
+,$(generated
))
285 # Run a test on the header files we use.
286 parent-tests
: $(objpfx
)isomac
287 $(dir $<)$(notdir $<) '$(CC)' '$(+sysdep-includes)' > $<.out
289 $(objpfx
)isomac
: isomac.c
292 # Make the distribution tarfile.
294 distribute
:= README INSTALL FAQ NOTES NEWS PROJECTS BUGS \
295 COPYING.LIB COPYING ChangeLog ChangeLog.
[0-9] \
296 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
297 extra-lib.mk o-iterator.mk isomac.c \
298 ansidecl.h mkinstalldirs move-if-change install-sh \
299 configure configure.in aclocal.m4 config.sub config.guess\
300 config.h.in config.make.in config-name.in Makefile.in \
301 autolock.sh rellns-sh munch-tmpl.c munch.awk interp.c \
302 sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
303 rpm
/Makefile rpm
/template rpm
/rpmrc glibcbug.in
305 distribute
:= $(strip $(distribute
))
306 generated
:= $(generated
) stubs.h version-info.h
308 README
: README.template version.h
; # Make-dist should update README.
312 makeinfo --no-validate
--no-warn
--no-headers
$< -o
$@
315 INSTALL
: manual
/maint.texi
; $(format-me
)
316 NOTES
: manual
/creature.texi
; $(format-me
)
317 manual
/dir-add.texi manual
/dir-add.
info: FORCE
318 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)
321 rpm
/%: subdir_distinfo
322 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) subdirs
='$(subdirs)' $(@F
)
324 # This is a special goal for people making binary distributions. Normally
325 # everybody uses the DES based crypt library but for the distribution we
326 # need the only-MD5 based one as well.
327 md5-crypt
/libmd5crypt
:
328 $(MAKE
) $(PARALLELMFLAGS
) -C
$(@D
) $(@F
)