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379bb425 1# Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
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2# This file is part of the GNU C Library.
3
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.
8
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.
13
14# You should have received a copy of the GNU Library General Public
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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.
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18
19#
20# Master Makefile for the GNU C library
21#
22ifneq (,)
23This makefile requires GNU Make.
24endif
25
26
27# This is the default target; it makes everything except the tests.
28.PHONY: all
edf5b2d7 29all: lib others
28f540f4 30\f
4d06461a 31ifeq ($(with-cvs),yes)
28f540f4 32define autoconf-it
587dbc6f 33@-rm -f $@.new
28f540f4 34autoconf $(ACFLAGS) $< > $@.new
587dbc6f 35chmod a-w,a+x $@.new
28f540f4 36mv -f $@.new $@
379bb425 37test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
28f540f4 38endef
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39else
40define autoconf-it
41@-rm -f $@.new
42autoconf $(ACFLAGS) $< > $@.new
43chmod a-w,a+x $@.new
44mv -f $@.new $@
45endef
46endif
28f540f4 47
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48configure: configure.in aclocal.m4; $(autoconf-it)
49%/configure: %/configure.in aclocal.m4; $(autoconf-it)
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50
51include Makeconfig
52
53ifndef avoid-generated
b86199fb 54-include $(objpfx)sysd-dirs
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55define \n
56
57
58endef
59sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
60endif
61
62# These are the subdirectories containing the library source.
92f1da4d 63subdirs = csu assert ctype db2 locale intl catgets math setjmp signal stdlib \
33a934a3 64 stdio-common $(stdio) malloc string wcsmbs time dirent grp pwd \
6973fc01 65 posix io termios resource misc socket sysvipc gmon gnulib iconv \
04be94a8 66 iconvdata wctype manual shadow md5-crypt po argp $(add-ons) nss \
d71b808a 67 localedata $(rt) $(sysdep-subdirs) $(binfmt-subdir)
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68export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63.
69
70# The mach and hurd subdirectories have many generated header files which
24906b43 71# much of the rest of the library depends on, so it is best to build them
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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.
76subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
77 $(filter-out mach hurd,$(subdirs))
78
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)))
83
84
85# These are the targets that are made by making them in each subdirectory.
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86+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
87 subdir_clean subdir_distclean subdir_realclean \
88 tests subdir_lint.out \
6a441471 89 subdir_distinfo \
28f540f4 90 subdir_echo-headers subdir_echo-distinfo \
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91 subdir_install \
92 $(addprefix install-, no-libc.a bin lib data headers others)
28f540f4 93\f
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94headers := 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
28f540f4 96aux = sysdep $(libc-init) version
7cc27f44 97before-compile += $(objpfx)version-info.h
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98
99echo-headers: subdir_echo-headers
100
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101# The headers are in the include directory.
102subdir-dirs = include
103vpath %.h $(subdir-dirs)
104
28f540f4 105# What to install.
8d57beea 106install-others = $(inst_includedir)/gnu/stubs.h
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107install-bin = glibcbug
108
a18f587d 109ifeq (yes,$(build-shared))
c0e45674 110install-others += $(inst_includedir)/gnu/lib-names.h
a18f587d 111endif
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112
113ifeq (yes,$(gnu-ld))
114libc-init = set-init
115else
116libc-init = munch-init
117$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits)
118 awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t
119 mv -f $@-t $@
120generated := $(generated) munch-init.c
121endif
122
123
124include Makerules
125
126# Install from subdirectories too.
127install: subdir_install
8d57beea 128
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129# Make sure that the dynamic linker is installed before libc.
130$(inst_slibdir)/libc-$(version).so: elf/subdir_install
131
6973fc01 132# Create links for shared libraries using the `ldconfig' program is possible.
7cc27f44 133# Ignore the error if we cannot update /etc/ld.so.cache.
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134ifeq (no,$(cross-compiling))
135ifeq (yes,$(build-shared))
8d57beea 136install:
7cc27f44 137 -test ! -x $(common-objpfx)elf/ldconfig || \
1228ed5c 138 $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir)
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139ifneq (no,$(PERL))
140ifeq (/usr,$(prefix))
141ifeq (,$(install_root))
6973fc01 142 CC="$(CC)" $(PERL) test-installation.pl $(common-objpfx)
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143endif
144endif
145endif
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146endif
147endif
28f540f4 148
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149# Build subdirectory lib objects.
150lib-noranlib: subdir_lib
28f540f4 151
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152ifeq (yes,$(build-shared))
153# Build the shared object from the PIC object library.
154lib: $(common-objpfx)libc.so
155endif
28f540f4 156
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157all-Subdirs-files = $(wildcard $(addsuffix /Subdirs, $(config-sysdirs)))
158$(objpfx)sysd-dirs: $(+sysdir_pfx)config.make $(all-Subdirs-files)
159 (echo define sysdep-subdirs; \
160 sed 's/#.*$$//' $(all-Subdirs-files) /dev/null; \
28f540f4 161 echo endef) > $@-tmp
c4029823 162 mv -f $@-tmp $@
28f540f4 163\f
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164all-Banner-files = $(wildcard $(addsuffix /Banner, $(subdirs)))
165$(objpfx)version-info.h: $(+sysdir_pfx)config.make $(all-Banner-files)
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166 (case $(config-os) in \
167 linux*) version=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\
39e16978 168 | $(CC) -E -P - | \
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169 sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\
170 if [ -z "$$version" ]; then \
171 if [ -r /proc/version ]; then \
172 version=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \
173 < /proc/version`; \
174 else \
175 version=`uname -r`; \
176 fi; \
177 fi; \
178 echo -n "\"Compiled on a Linux $$version system "; \
39e16978 179 echo "on `date +%Y-%m-%d`.\\n\"" ;; \
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180 *) ;; \
181 esac; \
182 files="$(all-Banner-files)"; \
a68b0d31 183 if test -n "$$files"; then \
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184 echo "\"Available extensions:"; \
185 sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$files; \
186 echo "\""; \
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187 fi) > $@T
188 mv -f $@T $@
189generated += version-info.h
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190
191version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes))
192$(version.c-objects): $(objpfx)version-info.h
193\f
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194# Makerules creates a file `stub-$(subdir)' for each subdirectory, which
195# contains `#define __stub_FUNCTION' for each function which is a stub.
6bc31da0 196# Here we paste all of these together into <gnu/stubs.h>.
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197
198subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)stub-$(dir))
199
200# Since stubs.h is never needed when building the library, we simplify the
201# hairy installation process by producing it in place only as the last part
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202# of the top-level `make install'. It depends on subdir_install, which
203# iterates over all the subdirs; subdir_install in each subdir depends on
204# the subdir's stubs file. Having more direct dependencies would result in
205# extra iterations over the list for subdirs and many recursive makes.
206$(inst_includedir)/gnu/stubs.h: subdir_install
5107cf1d 207 $(make-target-directory)
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208 @rm -f $(objpfx)stubs.h
209 (echo '/* This file is automatically generated.';\
210 echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
211 echo ' in the C library which is a stub, meaning it will fail';\
212 echo ' every time called, usually setting errno to ENOSYS. */';\
b9b49b44 213 sort $(subdir-stubs)) > $(objpfx)stubs.h
13a0be88 214 if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
ba1ffaa1 215 then echo 'stubs.h unchanged'; \
d36e7692 216 else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
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217 rm -f $(objpfx)stubs.h
218\f
8a523922 219ifeq (yes,$(build-shared))
afd4eb37 220
c0e45674 221$(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h
5107cf1d 222 $(make-target-directory)
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223 if test -r $@ && cmp -s $< $@; \
224 then echo 'gnu/lib-names.h unchanged'; \
225 else $(INSTALL_DATA) $< $@; fi
afd4eb37 226endif
ba1ffaa1 227\f
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228# The `glibcbug' script contains the version number and it shall be rebuild
229# whenever this changes or the `glibcbug.in' file.
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230$(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
231 cd $(<D); CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
df4ef2ab 232\f
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233# This makes the Info or DVI file of the documentation from the Texinfo source.
234.PHONY: info dvi
235info dvi:
c0e45674 236 $(MAKE) $(PARALLELMFLAGS) -C manual $@
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237\f
238# This makes all the subdirectory targets.
239
240# For each target, make it depend on DIR/target for each subdirectory DIR.
241$(+subdir_targets): %: $(addsuffix /%,$(subdirs))
242
243# Compute a list of all those targets.
244all-subdirs-targets := $(foreach dir,$(subdirs),\
245 $(addprefix $(dir)/,$(+subdir_targets)))
246
247# The action for each of those is to cd into the directory and make the
248# target there.
249$(all-subdirs-targets):
c0e45674 250 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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251
252.PHONY: $(+subdir_targets) $(all-subdirs-targets)
253\f
254# Targets to clean things up to various degrees.
255
256.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
257
258# Subroutines of all cleaning targets.
259parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
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260 -rm -f $(foreach o,$(object-suffixes),\
261 $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
262 $(addprefix $(objpfx),$(install-lib))
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263parent-clean: parent-mostlyclean common-clean
264 -rm -f $(addprefix $(common-objpfx),$(common-generated))
6bf02878 265 -rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules)
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266
267clean: parent-clean
268# This is done this way rather than having `subdir_clean' be a
269# dependency of this target so that libc.a will be removed before the
270# subdirectories are dealt with and so they won't try to remove object
271# files from it when it's going to be removed anyway.
272 @$(MAKE) subdir_clean no_deps=t
273mostlyclean: parent-mostlyclean
274 @$(MAKE) subdir_mostlyclean no_deps=t
275
276# The realclean target is just like distclean for the parent, but we want
277# the subdirs to know the difference in case they care.
278realclean distclean: parent-clean
279# This is done this way rather than having `subdir_distclean' be a
280# dependency of this target so that libc.a will be removed before the
281# subdirectories are dealt with and so they won't try to remove object
282# files from it when it's going to be removed anyway.
283 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes
284
285# Subroutine of distclean and realclean.
286distclean-1: subdir_$(distclean-1)
287 -rm -f $(config-generated)
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288 -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
289 -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
9a0a462c 290 -rm -f $(addprefix $(objpfx),glibcbug)
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291ifdef objdir
292 -rm -f $(objpfx)Makefile
293endif
294 -rm -f $(sysdep-$(distclean-1))
295\f
296.PHONY: echo_subdirs
297echo_subdirs:;@echo '$(subdirs)'
298
299.PHONY: echo-distinfo parent_echo-distinfo
300echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
301parent_echo-distinfo:
302 @echo $(addprefix +header+,$(headers)) \
303 $(addprefix +nodist+,$(generated))
6a441471 304
28f540f4 305\f
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306.PHONY: parent-tests
307tests: parent-tests
308
2f6d1f1b 309# Run a test on the header files we use.
63551311 310parent-tests: $(objpfx)isomac
762a2918 311 $(dir $<)$(notdir $<) '$(CC)' '-Iinclude $(+sysdep-includes)' > $<.out
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312
313$(objpfx)isomac: isomac.c
314 $(native-compile)
315\f
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316# Make the distribution tarfile.
317
bc9f6000 318distribute := README INSTALL FAQ NOTES NEWS PROJECTS BUGS \
9f447fb3 319 COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
28f540f4 320 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
2f6d1f1b 321 extra-lib.mk o-iterator.mk isomac.c \
762a2918 322 libc.map mkinstalldirs move-if-change install-sh \
28f540f4 323 configure configure.in aclocal.m4 config.sub config.guess\
9f447fb3 324 config.h.in config.make.in config-name.in Makefile.in \
f0e44959 325 autolock.sh rellns-sh munch-tmpl.c munch.awk interp.c \
748050b3 326 sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
6973fc01 327 rpm/Makefile rpm/template rpm/rpmrc glibcbug.in abi-tags \
b9b49b44 328 stub-tag.h test-installation.pl
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329
330distribute := $(strip $(distribute))
f0f1bf85 331generated := $(generated) stubs.h version-info.h
28f540f4 332
8d57beea 333README: README.template version.h ; # Make-dist should update README.
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334
335define format-me
336@rm -f $@
337makeinfo --no-validate --no-warn --no-headers $< -o $@
338-chmod a-w $@
339endef
340INSTALL: manual/maint.texi; $(format-me)
341NOTES: manual/creature.texi; $(format-me)
714a562f 342manual/dir-add.texi manual/dir-add.info: FORCE
fe7bdd63 343 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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344FAQ: gen-FAQ.pl FAQ.in
345 $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
f671aeab 346FORCE:
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347
348rpm/%: subdir_distinfo
c0e45674 349 $(MAKE) $(PARALLELMFLAGS) -C $(@D) subdirs='$(subdirs)' $(@F)
33a934a3 350
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351iconvdata/%:
352 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
353
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354# This is a special goal for people making binary distributions. Normally
355# everybody uses the DES based crypt library but for the distribution we
356# need the only-MD5 based one as well.
357md5-crypt/libmd5crypt:
c0e45674 358 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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