(sig): Add intr-msg.
[glibc.git] / Makefile
blob0573ffa85f0938c0c3a1851e3c0b6c1438a3471f
1 # Copyright (C) 1991, 1992, 1993, 1994, 1995 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
22 ifneq (,)
23 This makefile requires GNU Make.
24 endif
27 # This is the default target; it makes everything except the tests.
28 .PHONY: all
29 all: lib others
31 define autoconf-it
32 @-rm -f $@.new
33 autoconf $(ACFLAGS) $< > $@.new
34 chmod a-w,a+x $@.new
35 mv -f $@.new $@
36 test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
37 endef
39 configure: configure.in; $(autoconf-it)
40 %/configure: %/configure.in; $(autoconf-it)
42 include Makeconfig
44 ifndef avoid-generated
45 include $(objpfx)sysd-dirs
46 define \n
49 endef
50 sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
51 endif
53 # These are the subdirectories containing the library source.
54 subdirs := csu assert ctype locale math setjmp signal stdio stdlib \
55 malloc string time dirent grp pwd posix io termios resource \
56 socket misc gnulib $(wildcard crypt) manual \
57 $(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 # the much of 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-, \
81 no-libc.a bin lib \
82 data headers others)
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
90 # What to install.
91 install-others = $(includedir)/stubs.h
93 ifeq (yes,$(gnu-ld))
94 libc-init = set-init
95 else
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
99 mv -f $@-t $@
100 generated := $(generated) munch-init.c
101 endif
104 include Makerules
106 # Install from subdirectories too.
107 install: subdir_install
109 # Build subdirectory lib objects.
110 lib-noranlib: subdir_lib
112 ifeq (yes,$(build-shared))
113 # Build the shared object from the PIC object library.
114 lib: $(common-objpfx)libc.so
115 endif
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; \
122 else true; \
123 fi; \
124 done; \
125 echo endef) > $@-tmp
126 mv -f $@-tmp $@
128 # Makerules creates a file `stub-$(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.
151 .PHONY: info dvi
152 info dvi:
153 $(MAKE) -C manual $@
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
165 # target there.
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 $(common-objpfx)libc.a $(addprefix $(objpfx),$(install-lib))
178 parent-clean: parent-mostlyclean common-clean
179 -rm -f $(addprefix $(common-objpfx),$(common-generated))
180 -rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules)
182 clean: parent-clean
183 # This is done this way rather than having `subdir_clean' be a
184 # dependency of this target so that libc.a will be removed before the
185 # subdirectories are dealt with and so they won't try to remove object
186 # files from it when it's going to be removed anyway.
187 @$(MAKE) subdir_clean no_deps=t
188 mostlyclean: parent-mostlyclean
189 @$(MAKE) subdir_mostlyclean no_deps=t
191 # The realclean target is just like distclean for the parent, but we want
192 # the subdirs to know the difference in case they care.
193 realclean distclean: parent-clean
194 # This is done this way rather than having `subdir_distclean' be a
195 # dependency of this target so that libc.a will be removed before the
196 # subdirectories are dealt with and so they won't try to remove object
197 # files from it when it's going to be removed anyway.
198 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes
200 # Subroutine of distclean and realclean.
201 distclean-1: subdir_$(distclean-1)
202 -rm -f $(config-generated)
203 -rm -f $(addprefix $(objpfx),config.status cache.cache)
204 -rm -f $(addprefix $(objpfx),config.make config-name.h)
205 ifdef objdir
206 -rm -f $(objpfx)Makefile
207 endif
208 -rm -f $(sysdep-$(distclean-1))
210 .PHONY: echo_subdirs
211 echo_subdirs:;@echo '$(subdirs)'
213 .PHONY: echo-distinfo parent_echo-distinfo
214 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
215 parent_echo-distinfo:
216 @echo $(addprefix +header+,$(headers)) \
217 $(addprefix +nodist+,$(generated))
219 # Make the distribution tarfile.
221 distribute := README INSTALL NOTES COPYING.LIB COPYING NEWS \
222 ChangeLog ChangeLog.[0-9] \
223 Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
224 extra-lib.mk o-iterator.mk \
225 ansidecl.h mkinstalldirs move-if-change install-sh \
226 configure configure.in aclocal.m4 config.sub config.guess\
227 config.make.in config-name.in Makefile.in \
228 munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h
230 distribute := $(strip $(distribute))
231 generated := $(generated) stubs.h
233 README: README.template version.c ; # Make-dist should update README.
235 define format-me
236 @rm -f $@
237 makeinfo --no-validate --no-warn --no-headers $< -o $@
238 -chmod a-w $@
239 endef
240 INSTALL: manual/maint.texi; $(format-me)
241 NOTES: manual/creature.texi; $(format-me)