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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)
104 rm -f $(symbolic-link-list)
106 install:
107 -test ! -x $(common-objpfx)elf/ldconfig || \
108 $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir)
109 ifneq (no,$(PERL))
110 ifeq (/usr,$(prefix))
111 ifeq (,$(install_root))
112 CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
113 endif
114 endif
115 endif
116 endif
117 endif
119 # Build subdirectory lib objects.
120 lib-noranlib: subdir_lib
122 ifeq (yes,$(build-shared))
123 # Build the shared object from the PIC object library.
124 lib: $(common-objpfx)libc.so
125 endif
127 # Makerules creates a file `stubs' in each subdirectory, which
128 # contains `#define __stub_FUNCTION' for each function defined in that
129 # directory which is a stub.
130 # Here we paste all of these together into <gnu/stubs.h>.
132 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
134 # Since stubs.h is never needed when building the library, we simplify the
135 # hairy installation process by producing it in place only as the last part
136 # of the top-level `make install'. It depends on subdir_install, which
137 # iterates over all the subdirs; subdir_install in each subdir depends on
138 # the subdir's stubs file. Having more direct dependencies would result in
139 # extra iterations over the list for subdirs and many recursive makes.
140 $(inst_includedir)/gnu/stubs.h: subdir_install
141 $(make-target-directory)
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
148 if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
149 then echo 'stubs.h unchanged'; \
150 else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
151 rm -f $(objpfx)stubs.h
153 ifeq (yes,$(build-shared))
155 $(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force)
156 $(make-target-directory)
157 if test -r $@ && cmp -s $< $@; \
158 then echo 'gnu/lib-names.h unchanged'; \
159 else $(INSTALL_DATA) $< $@; fi
160 endif
162 # The `glibcbug' script contains the version number and it shall be rebuild
163 # whenever this changes or the `glibcbug.in' file.
164 $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
165 cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
167 # This makes the Info or DVI file of the documentation from the Texinfo source.
168 .PHONY: info dvi
169 info dvi:
170 $(MAKE) $(PARALLELMFLAGS) -C manual $@
172 # This makes all the subdirectory targets.
174 # For each target, make it depend on DIR/target for each subdirectory DIR.
175 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
177 # Compute a list of all those targets.
178 all-subdirs-targets := $(foreach dir,$(subdirs),\
179 $(addprefix $(dir)/,$(+subdir_targets)))
181 # The action for each of those is to cd into the directory and make the
182 # target there.
183 $(all-subdirs-targets):
184 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
186 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
188 # Targets to clean things up to various degrees.
190 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
192 # Subroutines of all cleaning targets.
193 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
194 -rm -f $(foreach o,$(object-suffixes-for-libc),\
195 $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
196 $(addprefix $(objpfx),$(install-lib))
197 parent-clean: parent-mostlyclean common-clean
199 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
200 $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \
201 $(objpfx)soversions.mk
203 clean: parent-clean
204 # This is done this way rather than having `subdir_clean' be a
205 # dependency of this target so that libc.a will be removed before the
206 # subdirectories are dealt with and so they won't try to remove object
207 # files from it when it's going to be removed anyway.
208 @$(MAKE) subdir_clean no_deps=t
209 mostlyclean: parent-mostlyclean
210 @$(MAKE) subdir_mostlyclean no_deps=t
211 -rm -f $(postclean)
213 # The realclean target is just like distclean for the parent, but we want
214 # the subdirs to know the difference in case they care.
215 realclean distclean: parent-clean
216 # This is done this way rather than having `subdir_distclean' be a
217 # dependency of this target so that libc.a will be removed before the
218 # subdirectories are dealt with and so they won't try to remove object
219 # files from it when it's going to be removed anyway.
220 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
221 sysdep-subdirs="$(sysdep-subdirs)"
222 -rm -f $(postclean)
224 # Subroutine of distclean and realclean.
225 distclean-1: subdir_$(distclean-1)
226 -rm -f $(config-generated)
227 -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
228 -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
229 -rm -f $(addprefix $(objpfx),glibcbug)
230 ifdef objdir
231 -rm -f $(objpfx)Makefile
232 endif
233 -rm -f $(sysdep-$(distclean-1))
235 .PHONY: echo_subdirs
236 echo_subdirs:;@echo '$(subdirs)'
238 .PHONY: echo-distinfo parent_echo-distinfo
239 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
240 parent_echo-distinfo:
241 @echo $(addprefix +header+,$(headers)) \
242 $(addprefix +nodist+,$(generated))
245 # Make the distribution tarfile.
247 distribute := README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \
248 PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
249 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
250 extra-lib.mk o-iterator.mk configure configure.in \
251 aclocal.m4 config.h.in config.make.in config-name.in \
252 Makefile.in sysdep.h set-hooks.h libc-symbols.h \
253 version.h shlib-versions rpm/Makefile rpm/template \
254 rpm/rpmrc glibcbug.in abi-tags stub-tag.h \
255 test-skeleton.c include/des.h Versions.def \
256 $(addprefix scripts/, \
257 rellns-sh config.sub config.guess \
258 mkinstalldirs move-if-change install-sh \
259 test-installation.pl gen-FAQ.pl versions.awk)
261 distribute := $(strip $(distribute))
262 generated := $(generated) stubs.h
264 README: README.template version.h ; # Make-dist should update README.
266 define format-me
267 @rm -f $@
268 makeinfo --no-validate --no-warn --no-headers $< -o $@
269 -chmod a-w $@
270 endef
271 INSTALL: manual/install.texi; $(format-me)
272 NOTES: manual/creature.texi; $(format-me)
273 manual/dir-add.texi manual/dir-add.info: FORCE
274 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
275 FAQ: scripts/gen-FAQ.pl FAQ.in
276 $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
277 ifeq ($(with-cvs),yes)
278 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@
279 endif
280 FORCE:
282 rpm/%: subdir_distinfo
283 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
285 iconvdata/% localedata/%:
286 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
288 # This is a special goal for people making binary distributions. Normally
289 # everybody uses the DES based crypt library but for the distribution we
290 # need the only-MD5 based one as well.
291 md5-crypt/libmd5crypt:
292 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
294 # glibc 2.0 contains some header files which aren't used with glibc 2.1
295 # anymore.
296 # These rules should remove those headers
297 ifeq (,$(install_root))
298 ifeq ($(old-glibc-headers),yes)
299 install: remove-old-headers
300 endif
301 endif
303 headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
304 errnos.h fcntlbits.h huge_val.h ioctl-types.h \
305 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
306 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
307 posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
308 selectbits.h semaphorebits.h sigaction.h sigcontext.h \
309 signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
310 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
311 syscall-list.h termbits.h timebits.h ustatbits.h \
312 utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
313 xopen_lim.h gnu/types.h sys/ipc_buf.h \
314 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
315 sys/shm_buf.h sys/socketcall.h sigstack.h
317 .PHONY: remove-old-headers
318 remove-old-headers:
319 rm -f $(addprefix $(inst_includedir)/, $(headers2_0))