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[glibc.git] / Makefile
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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
22 ifneq (,)
23 This makefile requires GNU Make.
24 endif
26 include Makeconfig
29 # This is the default target; it makes everything except the tests.
30 .PHONY: all
31 all: lib others
33 ifeq ($(with-cvs),yes)
34 define autoconf-it
35 @-rm -f $@.new
36 autoconf $(ACFLAGS) $< > $@.new
37 chmod a-w,a+x $@.new
38 mv -f $@.new $@
39 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
40 endef
41 else
42 define autoconf-it
43 @-rm -f $@.new
44 autoconf $(ACFLAGS) $< > $@.new
45 chmod a-w,a+x $@.new
46 mv -f $@.new $@
47 endef
48 endif
50 configure: configure.in aclocal.m4; $(autoconf-it)
51 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
53 # These are the targets that are made by making them in each subdirectory.
54 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
55 subdir_clean subdir_distclean subdir_realclean \
56 tests subdir_lint.out \
57 subdir_distinfo \
58 subdir_echo-headers subdir_echo-distinfo \
59 subdir_install \
60 $(addprefix install-, no-libc.a bin lib data headers others)
62 headers := errno.h sys/errno.h bits/errno.h limits.h values.h \
63 features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \
64 gnu/libc-version.h
66 echo-headers: subdir_echo-headers
68 # The headers are in the include directory.
69 subdir-dirs = include
70 vpath %.h $(subdir-dirs)
72 # What to install.
73 install-others = $(inst_includedir)/gnu/stubs.h
74 install-bin = glibcbug
76 ifeq (yes,$(build-shared))
77 install-others += $(inst_includedir)/gnu/lib-names.h
78 endif
80 include Makerules
82 ifeq ($(build-programs),yes)
83 others: $(addprefix $(objpfx),$(install-bin))
84 endif
86 # Install from subdirectories too.
87 install: subdir_install
89 # Make sure that the dynamic linker is installed before libc.
90 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
92 .PHONY: elf/ldso_install
93 elf/ldso_install:
94 $(MAKE) -C $(@D) $(@F)
96 # Create links for shared libraries using the `ldconfig' program is possible.
97 # Ignore the error if we cannot update /etc/ld.so.cache.
98 ifeq (no,$(cross-compiling))
99 ifeq (yes,$(build-shared))
100 install: install-symbolic-link
101 .PHONY: install-symbolic-link
102 install-symbolic-link: subdir_install
103 $(symbolic-link-prog) $(symbolic-link-list)
105 install:
106 -test ! -x $(common-objpfx)elf/ldconfig || \
107 $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir)
108 ifneq (no,$(PERL))
109 ifeq (/usr,$(prefix))
110 ifeq (,$(install_root))
111 CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
112 endif
113 endif
114 endif
115 endif
116 endif
118 # Build subdirectory lib objects.
119 lib-noranlib: subdir_lib
121 ifeq (yes,$(build-shared))
122 # Build the shared object from the PIC object library.
123 lib: $(common-objpfx)libc.so
124 endif
126 # Makerules creates a file `stubs' in each subdirectory, which
127 # contains `#define __stub_FUNCTION' for each function defined in that
128 # directory which is a stub.
129 # Here we paste all of these together into <gnu/stubs.h>.
131 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
133 # Since stubs.h is never needed when building the library, we simplify the
134 # hairy installation process by producing it in place only as the last part
135 # of the top-level `make install'. It depends on subdir_install, which
136 # iterates over all the subdirs; subdir_install in each subdir depends on
137 # the subdir's stubs file. Having more direct dependencies would result in
138 # extra iterations over the list for subdirs and many recursive makes.
139 $(inst_includedir)/gnu/stubs.h: subdir_install
140 $(make-target-directory)
141 @rm -f $(objpfx)stubs.h
142 (echo '/* This file is automatically generated.';\
143 echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
144 echo ' in the C library which is a stub, meaning it will fail';\
145 echo ' every time called, usually setting errno to ENOSYS. */';\
146 sort $(subdir-stubs)) > $(objpfx)stubs.h
147 if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
148 then echo 'stubs.h unchanged'; \
149 else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
150 rm -f $(objpfx)stubs.h
152 ifeq (yes,$(build-shared))
154 $(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force)
155 $(make-target-directory)
156 if test -r $@ && cmp -s $< $@; \
157 then echo 'gnu/lib-names.h unchanged'; \
158 else $(INSTALL_DATA) $< $@; fi
159 endif
161 # The `glibcbug' script contains the version number and it shall be rebuild
162 # whenever this changes or the `glibcbug.in' file.
163 $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
164 cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
166 # This makes the Info or DVI file of the documentation from the Texinfo source.
167 .PHONY: info dvi
168 info dvi:
169 $(MAKE) $(PARALLELMFLAGS) -C manual $@
171 # This makes all the subdirectory targets.
173 # For each target, make it depend on DIR/target for each subdirectory DIR.
174 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
176 # Compute a list of all those targets.
177 all-subdirs-targets := $(foreach dir,$(subdirs),\
178 $(addprefix $(dir)/,$(+subdir_targets)))
180 # The action for each of those is to cd into the directory and make the
181 # target there.
182 $(all-subdirs-targets):
183 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
185 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
187 # Targets to clean things up to various degrees.
189 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
191 # Subroutines of all cleaning targets.
192 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
193 -rm -f $(foreach o,$(object-suffixes-for-libc),\
194 $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
195 $(addprefix $(objpfx),$(install-lib))
196 parent-clean: parent-mostlyclean common-clean
198 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
199 $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \
200 $(objpfx)soversions.mk
202 clean: parent-clean
203 # This is done this way rather than having `subdir_clean' be a
204 # dependency of this target so that libc.a will be removed before the
205 # subdirectories are dealt with and so they won't try to remove object
206 # files from it when it's going to be removed anyway.
207 @$(MAKE) subdir_clean no_deps=t
208 mostlyclean: parent-mostlyclean
209 @$(MAKE) subdir_mostlyclean no_deps=t
210 -rm -f $(postclean)
212 # The realclean target is just like distclean for the parent, but we want
213 # the subdirs to know the difference in case they care.
214 realclean distclean: parent-clean
215 # This is done this way rather than having `subdir_distclean' be a
216 # dependency of this target so that libc.a will be removed before the
217 # subdirectories are dealt with and so they won't try to remove object
218 # files from it when it's going to be removed anyway.
219 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
220 sysdep-subdirs="$(sysdep-subdirs)"
221 -rm -f $(postclean)
223 # Subroutine of distclean and realclean.
224 distclean-1: subdir_$(distclean-1)
225 -rm -f $(config-generated)
226 -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
227 -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
228 -rm -f $(addprefix $(objpfx),glibcbug)
229 ifdef objdir
230 -rm -f $(objpfx)Makefile
231 endif
232 -rm -f $(sysdep-$(distclean-1))
234 .PHONY: echo_subdirs
235 echo_subdirs:;@echo '$(subdirs)'
237 .PHONY: echo-distinfo parent_echo-distinfo
238 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
239 parent_echo-distinfo:
240 @echo $(addprefix +header+,$(headers)) \
241 $(addprefix +nodist+,$(generated))
244 # Make the distribution tarfile.
246 distribute := README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \
247 PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
248 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
249 extra-lib.mk o-iterator.mk configure configure.in \
250 aclocal.m4 config.h.in config.make.in config-name.in \
251 Makefile.in sysdep.h set-hooks.h libc-symbols.h \
252 version.h shlib-versions rpm/Makefile rpm/template \
253 rpm/rpmrc glibcbug.in abi-tags stub-tag.h \
254 test-skeleton.c include/des.h Versions.def \
255 $(addprefix scripts/, \
256 rellns-sh config.sub config.guess \
257 mkinstalldirs move-if-change install-sh \
258 test-installation.pl gen-FAQ.pl versions.awk)
260 distribute := $(strip $(distribute))
261 generated := $(generated) stubs.h
263 README: README.template version.h ; # Make-dist should update README.
265 define format-me
266 @rm -f $@
267 makeinfo --no-validate --no-warn --no-headers $< -o $@
268 -chmod a-w $@
269 endef
270 INSTALL: manual/install.texi; $(format-me)
271 NOTES: manual/creature.texi; $(format-me)
272 manual/dir-add.texi manual/dir-add.info: FORCE
273 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
274 FAQ: scripts/gen-FAQ.pl FAQ.in
275 $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
276 ifeq ($(with-cvs),yes)
277 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@
278 endif
279 FORCE:
281 rpm/%: subdir_distinfo
282 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
284 iconvdata/%:
285 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
287 # This is a special goal for people making binary distributions. Normally
288 # everybody uses the DES based crypt library but for the distribution we
289 # need the only-MD5 based one as well.
290 md5-crypt/libmd5crypt:
291 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
293 # glibc 2.0 contains some header files which aren't used with glibc 2.1
294 # anymore.
295 # These rules should remove those headers
296 ifeq (,$(install_root))
297 ifeq ($(old-glibc-headers),yes)
298 install: remove-old-headers
299 endif
300 endif
302 headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
303 errnos.h fcntlbits.h huge_val.h ioctl-types.h \
304 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
305 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
306 posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
307 selectbits.h semaphorebits.h sigaction.h sigcontext.h \
308 signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
309 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
310 syscall-list.h termbits.h timebits.h ustatbits.h \
311 utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
312 xopen_lim.h gnu/types.h sys/ipc_buf.h \
313 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
314 sys/shm_buf.h sys/socketcall.h sigstack.h
316 .PHONY: remove-old-headers
317 remove-old-headers:
318 rm -f $(addprefix $(inst_includedir)/, $(headers2_0))