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[glibc.git] / Makefile
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1 # Copyright (C) 1991-1999, 2000 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 # We don't want to run anything here in parallel.
51 .NOTPARALLEL:
53 configure: configure.in aclocal.m4; $(autoconf-it)
54 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
56 # These are the targets that are made by making them in each subdirectory.
57 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
58 subdir_clean subdir_distclean subdir_realclean \
59 tests subdir_lint.out \
60 subdir_distinfo \
61 subdir_echo-headers subdir_echo-distinfo \
62 subdir_install \
63 subdir_testclean \
64 $(addprefix install-, no-libc.a bin lib data headers others)
66 headers := errno.h sys/errno.h bits/errno.h limits.h values.h \
67 features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \
68 gnu/libc-version.h
70 echo-headers: subdir_echo-headers
72 # The headers are in the include directory.
73 subdir-dirs = include
74 vpath %.h $(subdir-dirs)
76 # What to install.
77 install-others = $(inst_includedir)/gnu/stubs.h
78 install-bin = glibcbug
80 ifeq (yes,$(build-shared))
81 install-others += $(inst_includedir)/gnu/lib-names.h
82 endif
84 include Makerules
86 ifeq ($(build-programs),yes)
87 others: $(addprefix $(objpfx),$(install-bin))
88 endif
90 # Install from subdirectories too.
91 install: subdir_install
93 # Make sure that the dynamic linker is installed before libc.
94 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
96 .PHONY: elf/ldso_install
97 elf/ldso_install:
98 $(MAKE) -C $(@D) $(@F)
100 # Create links for shared libraries using the `ldconfig' program if possible.
101 # Ignore the error if we cannot update /etc/ld.so.cache.
102 ifeq (no,$(cross-compiling))
103 ifeq (yes,$(build-shared))
104 install: install-symbolic-link
105 .PHONY: install-symbolic-link
106 install-symbolic-link: subdir_install
107 $(symbolic-link-prog) $(symbolic-link-list)
108 rm -f $(symbolic-link-list)
110 install:
111 -test ! -x $(common-objpfx)elf/ldconfig || \
112 $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
113 $(slibdir) $(libdir)
114 ifneq (no,$(PERL))
115 ifeq (/usr,$(prefix))
116 ifeq (,$(install_root))
117 CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
118 endif
119 endif
120 endif
121 endif
122 endif
124 # Build subdirectory lib objects.
125 lib-noranlib: subdir_lib
127 ifeq (yes,$(build-shared))
128 # Build the shared object from the PIC object library.
129 lib: $(common-objpfx)libc.so
130 endif
132 # Makerules creates a file `stubs' in each subdirectory, which
133 # contains `#define __stub_FUNCTION' for each function defined in that
134 # directory which is a stub.
135 # Here we paste all of these together into <gnu/stubs.h>.
137 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
139 # Since stubs.h is never needed when building the library, we simplify the
140 # hairy installation process by producing it in place only as the last part
141 # of the top-level `make install'. It depends on subdir_install, which
142 # iterates over all the subdirs; subdir_install in each subdir depends on
143 # the subdir's stubs file. Having more direct dependencies would result in
144 # extra iterations over the list for subdirs and many recursive makes.
145 $(inst_includedir)/gnu/stubs.h: subdir_install
146 $(make-target-directory)
147 @rm -f $(objpfx)stubs.h
148 (echo '/* This file is automatically generated.';\
149 echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
150 echo ' in the C library which is a stub, meaning it will fail';\
151 echo ' every time called, usually setting errno to ENOSYS. */';\
152 sort $(subdir-stubs)) > $(objpfx)stubs.h
153 if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
154 then echo 'stubs.h unchanged'; \
155 else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
156 rm -f $(objpfx)stubs.h
158 ifeq (yes,$(build-shared))
160 $(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force)
161 $(do-install)
162 endif
164 # The `glibcbug' script contains the version number and it shall be rebuild
165 # whenever this changes or the `glibcbug.in' file.
166 $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
167 cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
169 # This makes the Info or DVI file of the documentation from the Texinfo source.
170 .PHONY: info dvi pdf
171 info dvi pdf:
172 $(MAKE) $(PARALLELMFLAGS) -C manual $@
174 # This makes all the subdirectory targets.
176 # For each target, make it depend on DIR/target for each subdirectory DIR.
177 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
179 # Compute a list of all those targets.
180 all-subdirs-targets := $(foreach dir,$(subdirs),\
181 $(addprefix $(dir)/,$(+subdir_targets)))
183 # The action for each of those is to cd into the directory and make the
184 # target there.
185 $(all-subdirs-targets):
186 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
188 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
190 # Targets to clean things up to various degrees.
192 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
193 tests-clean
195 # Subroutines of all cleaning targets.
196 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
197 -rm -f $(foreach o,$(object-suffixes-for-libc),\
198 $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
199 $(addprefix $(objpfx),$(install-lib))
200 parent-clean: parent-mostlyclean common-clean
202 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
203 $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \
204 $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
206 clean: parent-clean
207 # This is done this way rather than having `subdir_clean' be a
208 # dependency of this target so that libc.a will be removed before the
209 # subdirectories are dealt with and so they won't try to remove object
210 # files from it when it's going to be removed anyway.
211 @$(MAKE) subdir_clean no_deps=t
212 -rm -f $(postclean)
213 mostlyclean: parent-mostlyclean
214 @$(MAKE) subdir_mostlyclean no_deps=t
215 -rm -f $(postclean)
217 tests-clean:
218 @$(MAKE) subdir_testclean no_deps=t
220 # The realclean target is just like distclean for the parent, but we want
221 # the subdirs to know the difference in case they care.
222 realclean distclean: parent-clean
223 # This is done this way rather than having `subdir_distclean' be a
224 # dependency of this target so that libc.a will be removed before the
225 # subdirectories are dealt with and so they won't try to remove object
226 # files from it when it's going to be removed anyway.
227 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
228 sysdep-subdirs="$(sysdep-subdirs)"
229 -rm -f $(postclean)
231 # Subroutine of distclean and realclean.
232 distclean-1: subdir_$(distclean-1)
233 -rm -f $(config-generated)
234 -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
235 -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
236 -rm -f $(addprefix $(objpfx),glibcbug)
237 ifdef objdir
238 -rm -f $(objpfx)Makefile
239 endif
240 -rm -f $(sysdep-$(distclean-1))
242 .PHONY: echo_subdirs
243 echo_subdirs:;@echo '$(subdirs)'
245 .PHONY: echo-distinfo parent_echo-distinfo
246 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
247 parent_echo-distinfo:
248 @echo $(addprefix +header+,$(headers)) \
249 $(addprefix +nodist+,$(generated))
252 # Make the distribution tarfile.
254 distribute := README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \
255 PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
256 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
257 extra-lib.mk o-iterator.mk configure configure.in \
258 aclocal.m4 config.h.in config.make.in config-name.in \
259 Makefile.in sysdep.h set-hooks.h libc-symbols.h \
260 version.h shlib-versions rpm/Makefile rpm/template \
261 rpm/rpmrc glibcbug.in abi-tags stub-tag.h \
262 test-skeleton.c include/des.h Versions.def \
263 INTERFACE CONFORMANCE NAMESPACE \
264 $(addprefix scripts/, \
265 rellns-sh config.sub config.guess \
266 mkinstalldirs move-if-change install-sh \
267 test-installation.pl gen-FAQ.pl versions.awk\
268 gen-sorted.awk abi-versions.awk \
269 firstversions.awk)
271 distribute := $(strip $(distribute))
272 generated := $(generated) stubs.h
274 README: README.template version.h ; # Make-dist should update README.
276 define format-me
277 @rm -f $@
278 makeinfo --no-validate --no-warn --no-headers $< -o $@
279 -chmod a-w $@
280 endef
281 INSTALL: manual/install.texi; $(format-me)
282 NOTES: manual/creature.texi; $(format-me)
283 manual/dir-add.texi manual/dir-add.info: FORCE
284 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
285 FAQ: scripts/gen-FAQ.pl FAQ.in
286 $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
287 ifeq ($(with-cvs),yes)
288 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@
289 endif
290 FORCE:
292 rpm/%: subdir_distinfo
293 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
295 iconvdata/% localedata/% po/%:
296 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
298 # This is a special goal for people making binary distributions. Normally
299 # everybody uses the DES based crypt library but for the distribution we
300 # need the only-MD5 based one as well.
301 md5-crypt/libmd5crypt:
302 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
304 # glibc 2.0 contains some header files which aren't used with glibc 2.1
305 # anymore.
306 # These rules should remove those headers
307 ifeq (,$(install_root))
308 ifeq ($(old-glibc-headers),yes)
309 install: remove-old-headers
310 endif
311 endif
313 headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
314 errnos.h fcntlbits.h huge_val.h ioctl-types.h \
315 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
316 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
317 posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
318 selectbits.h semaphorebits.h sigaction.h sigcontext.h \
319 signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
320 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
321 syscall-list.h termbits.h timebits.h ustatbits.h \
322 utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
323 xopen_lim.h gnu/types.h sys/ipc_buf.h \
324 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
325 sys/shm_buf.h sys/socketcall.h sigstack.h
327 .PHONY: remove-old-headers
328 remove-old-headers:
329 rm -f $(addprefix $(inst_includedir)/, $(headers2_0))