1 # Copyright (C) 1991, 92, 93, 94, 95, 96 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
16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 # Cambridge, MA 02139, 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 math setjmp signal stdlib \
55 stdio-common
$(stdio
) malloc string wcsmbs time dirent grp pwd\
56 posix io termios resource misc socket sysvipc gmon gnulib \
57 $(wildcard crypt
) manual
$(sysdep-subdirs
) elf
58 export subdirs
:= $(subdirs
) # Benign, useless in GNU make before 3.63.
60 # The mach and hurd subdirectories have many generated header files which
61 # much of the rest of the library depends on, so it is best to build them
62 # first (and mach before hurd, at that). The before-compile additions in
63 # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
64 # not to exist when making in other directories, but it will be slower that
65 # way with more somewhat expensive `make' invocations.
66 subdirs
:= $(filter mach
,$(subdirs
)) $(filter hurd
,$(subdirs
)) \
67 $(filter-out mach hurd
,$(subdirs
))
69 # All initialization source files.
70 +subdir_inits
:= $(wildcard $(foreach dir,$(subdirs
),$(dir)/init-
$(dir).c
))
71 # All subdirectories containing initialization source files.
72 +init_subdirs
:= $(patsubst %/,%,$(dir $(+subdir_inits
)))
75 # These are the targets that are made by making them in each subdirectory.
76 +subdir_targets
:= subdir_lib objects objs others subdir_mostlyclean \
77 subdir_clean subdir_distclean subdir_realclean \
78 tests subdir_lint.out \
79 subdir_echo-headers subdir_echo-distinfo \
80 subdir_install
$(addprefix install-
, \
84 headers
:= errno.h sys
/errno.h errnos.h limits.h values.h \
85 features.h gnu-versions.h
86 aux
= sysdep
$(libc-init
) version
88 echo-headers
: subdir_echo-headers
91 install-others
= $(includedir)/stubs.h
96 libc-init
= munch-init
97 $(objpfx
)munch-init.c
: munch.awk munch-tmpl.c
$(+subdir_inits
)
98 awk
-f
$< subdirs
='$(+init_subdirs)' $(word 2,$^
) > $@
-t
100 generated
:= $(generated
) munch-init.c
106 # Install from subdirectories too.
107 install: subdir_install
109 # Build subdirectory lib objects.
110 lib-noranlib
: subdir_lib
112 ifeq (yes
,$(build-shared
))
113 # Build the shared object from the PIC object library.
114 lib
: $(common-objpfx
)libc.so
117 $(objpfx
)sysd-dirs
: $(+sysdir_pfx
)config.make
118 (echo
define sysdep-subdirs
; \
119 for
dir in
$(sysdirs
); do \
120 if
[ -r
$(sysdep_dir
)/$$dir/Subdirs
]; then \
121 sed
's/#.*$$//' $(sysdep_dir
)/$$dir/Subdirs
; \
128 # Makerules creates a file `stub-$(subdir)' for each subdirectory, which
129 # contains `#define __stub_FUNCTION' for each function which is a stub.
130 # Here we paste all of these together into <stubs.h>.
132 subdir-stubs
:= $(foreach dir,$(subdirs
),$(common-objpfx
)stub-
$(dir))
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 $(includedir)/stubs.h
: subdir_install
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 $(INSTALL_DATA
) $(objpfx
)stubs.h
$@
148 rm -f
$(objpfx
)stubs.h
150 # This makes the Info or DVI file of the documentation from the Texinfo source.
155 # This makes all the subdirectory targets.
157 # For each target, make it depend on DIR/target for each subdirectory DIR.
158 $(+subdir_targets
): %: $(addsuffix /%,$(subdirs
))
160 # Compute a list of all those targets.
161 all-subdirs-targets
:= $(foreach dir,$(subdirs
),\
162 $(addprefix $(dir)/,$(+subdir_targets
)))
164 # The action for each of those is to cd into the directory and make the
166 $(all-subdirs-targets
):
167 $(MAKE
) -C
$(@D
) $(@F
)
169 .PHONY
: $(+subdir_targets
) $(all-subdirs-targets
)
171 # Targets to clean things up to various degrees.
173 .PHONY
: clean realclean distclean distclean-1 parent-clean parent-mostlyclean
175 # Subroutines of all cleaning targets.
176 parent-mostlyclean
: common-mostlyclean
# common-mostlyclean is in Makerules.
177 -rm -f
$(foreach o
,$(object-suffixes
),\
178 $(common-objpfx
)$(patsubst %,$(libtype
$o),c
)) \
179 $(addprefix $(objpfx
),$(install-lib
))
180 parent-clean
: parent-mostlyclean common-clean
181 -rm -f
$(addprefix $(common-objpfx
),$(common-generated
))
182 -rm -f
$(addprefix $(objpfx
),sysd-Makefile sysd-dirs sysd-rules
)
185 # This is done this way rather than having `subdir_clean' be a
186 # dependency of this target so that libc.a will be removed before the
187 # subdirectories are dealt with and so they won't try to remove object
188 # files from it when it's going to be removed anyway.
189 @
$(MAKE
) subdir_clean no_deps
=t
190 mostlyclean: parent-mostlyclean
191 @
$(MAKE
) subdir_mostlyclean no_deps
=t
193 # The realclean target is just like distclean for the parent, but we want
194 # the subdirs to know the difference in case they care.
195 realclean distclean: parent-clean
196 # This is done this way rather than having `subdir_distclean' be a
197 # dependency of this target so that libc.a will be removed before the
198 # subdirectories are dealt with and so they won't try to remove object
199 # files from it when it's going to be removed anyway.
200 @
$(MAKE
) distclean-1 no_deps
=t distclean-1
=$@ avoid-generated
=yes
202 # Subroutine of distclean and realclean.
203 distclean-1
: subdir_
$(distclean-1
)
204 -rm -f
$(config-generated
)
205 -rm -f
$(addprefix $(objpfx
),config.status config.cache config.log
)
206 -rm -f
$(addprefix $(objpfx
),config.make config-name.h config.h
)
208 -rm -f
$(objpfx
)Makefile
210 -rm -f
$(sysdep-
$(distclean-1
))
213 echo_subdirs
:;@echo
'$(subdirs)'
215 .PHONY
: echo-distinfo parent_echo-distinfo
216 echo-distinfo
: parent_echo-distinfo subdir_echo-distinfo
217 parent_echo-distinfo
:
218 @echo
$(addprefix +header
+,$(headers
)) \
219 $(addprefix +nodist
+,$(generated
))
221 # Make the distribution tarfile.
223 distribute
:= README INSTALL NOTES COPYING.LIB COPYING NEWS \
224 ChangeLog ChangeLog.
[0-9] \
225 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
226 extra-lib.mk o-iterator.mk \
227 ansidecl.h mkinstalldirs move-if-change install-sh \
228 configure configure.in aclocal.m4 config.sub config.guess\
229 config.make.in config-name.in Makefile.in \
230 munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h
232 distribute
:= $(strip $(distribute
))
233 generated
:= $(generated
) stubs.h
235 README
: README.template version.c
; # Make-dist should update README.
239 makeinfo --no-validate
--no-warn
--no-headers
$< -o
$@
242 INSTALL
: manual
/maint.texi
; $(format-me
)
243 NOTES
: manual
/creature.texi
; $(format-me
)