1 # Copyright (C) 1991,92,93,94,95,96,97,98,99 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 # Rules for making a subdirectory in the GNU C library.
21 # Each subdirectory Makefile defines some variables and includes this.
24 This makefile requires GNU Make.
27 all: # Don't let the default goal come from Makeconfig.
32 Each subdirectory makefile must define the `subdir' variable.
34 # This ` unconfuses emacs.
35 # This is benign and useless in GNU make before 3.63.
36 export subdir := $(subdir)
38 # This is the default target; it makes the library and auxiliary programs.
42 ifeq ($(build-programs),yes)
43 others: $(addprefix $(objpfx),$(extra-objs) \
44 $(install-lib) $(install-bin) \
45 $(install-rootsbin) $(install-sbin))
47 others: $(addprefix $(objpfx),$(extra-objs) \
51 ifneq "$(findstring env,$(origin headers))" ""
55 ifneq "$(findstring env,$(origin generated))" ""
59 ifneq "$(findstring env,$(origin common-generated))" ""
66 subdir_lib: lib-noranlib
68 # Some subdirs need to install a dummy library.
69 # They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
70 dep-dummy-lib = $(common-objpfx)dummy.o
72 $(AR) cr$(verbose) $@ $<
75 $(common-objpfx)dummy.c:
77 echo 'void __dummy__ (void) { }' > $@
78 common-generated += dummy.o dummy.c
80 # This makes all the auxiliary and test programs.
83 ifeq ($(build-programs),yes)
84 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
86 others: $(addprefix $(objpfx),$(extra-objs))
88 ifeq ($(cross-compiling),yes)
89 tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
91 tests: $(tests:%=$(objpfx)%.out)
94 ifeq ($(build-programs),yes)
95 binaries-all = $(others) $(sysdep-others) $(tests) $(test-srcs)
96 binaries-static = $(others-static)
98 binaries-all = $(tests) $(test-srcs)
102 binaries-shared = $(filter-out $(binaries-static), $(binaries-all))
104 ifneq "$(strip $(binaries-shared))" ""
105 $(addprefix $(objpfx),$(binaries-shared)): %: %.o \
106 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
107 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
111 ifneq "$(strip $(binaries-static))" ""
112 $(addprefix $(objpfx),$(binaries-static)): %: %.o \
113 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
114 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
118 ifneq "$(strip $(tests) $(test-srcs))" ""
119 # These are the implicit rules for making test outputs
120 # from the test programs and whatever input files are present.
121 $(objpfx)%.out: %.args $(objpfx)% %.input
122 $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` < $(word 3,$^) > $@
123 $(objpfx)%.out: %.args $(objpfx)%
124 $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` > $@
125 $(objpfx)%.out: %.input $(objpfx)%
126 $($*-ENV) $(built-program-cmd) < $(word 1,$^) > $@
127 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
128 $($*-ENV) $(built-program-cmd) > $@
131 .PHONY: distclean realclean subdir_distclean subdir_realclean \
132 subdir_clean subdir_mostlyclean subdir_testclean
133 subdir_mostlyclean: mostlyclean
135 subdir_distclean: distclean
136 subdir_realclean: realclean
137 subdir_testclean: do-tests-clean
141 .PHONY: subdir_echo-headers
142 subdir_echo-headers: echo-headers
144 .PHONY: subdir_echo-distinfo
145 subdir_echo-distinfo:
146 @echo $(addprefix +header+,$(headers) $(filter %.h,$(distribute))) \
147 $(addprefix +nodist+,$(generated) $(common-generated) $(dont_distribute))
149 # We want to install everything except the library itself, but update all
150 # our portions of the library because the parent make will install it later
151 # (likewise the stubs file).
152 .PHONY: subdir_install
153 subdir_install: install-no-libc.a lib-noranlib stubs
155 .PHONY: subdir_TAGS subdir_dist
159 # Convenient target to update all the generated source files.
161 generated: $(addprefix $(common-objpfx),$(common-generated)) \
162 $(addprefix $(objpfx),$(generated))
164 # Target required by the Hurd to ensure that all the MiG-generated
165 # headers are in place before building a subdirectory.
166 .PHONY: before-compile
167 before-compile: $(before-compile)
169 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);
172 # There's no good place to put this - here will do.
173 # The dependencies are wrong if it's run from the top level.
174 ifeq ($(filter %posix, $(sysdirs)),)
185 stdio_lim = $(common-objpfx)bits/stdio_lim.h
187 $(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
188 $(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
189 $(common-objpfx)config.make
190 $(make-target-directory)
191 echo '#include "$(..)posix/bits/posix1_lim.h"' | \
192 SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
193 $(CC) $(+includes) -E -dM -xc - -o $(@:st=hT)
194 echo '#include "$(..)misc/sys/uio.h"' | \
195 SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
196 $(CC) $(+includes) -E -dM -xc - | cat - >> $(@:st=hT)
197 ifdef sed-remove-objpfx
198 sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt)
199 cat $(@:st=dt) >> $(@:st=d)
201 cat $(@:st=dT) >> $(@:st=d)
203 fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \
204 filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \
205 iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \
206 fopen_max=$${fopen_max:-16}; \
207 filename_max=$${filename_max:-1024}; \
208 if [ -z $$iov_max ]; then \
209 define_iov_max="# undef IOV_MAX"; \
211 define_iov_max="# define IOV_MAX $$iov_max"; \
213 sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
214 -e "s/@FILENAME_MAX@/$$filename_max/" \
215 -e "s/@L_tmpnam@/$(L_tmpnam)/" \
216 -e "s/@TMP_MAX@/$(TMP_MAX)/" \
217 -e "s/@L_ctermid@/$(L_ctermid)/" \
218 -e "s/@L_cuserid@/$(L_cuserid)/" \
219 -e "s/@define_IOV_MAX@/$$define_iov_max/" \
221 $(move-if-change) $(@:st=h.new) $(@:st=h)
222 # Remove these last so that they can be examined if something went wrong.
223 rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt)
227 -include $(stdio_lim:h=d)
229 common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st