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) { }' > $@
79 # This makes all the auxiliary and test programs.
82 ifeq ($(build-programs),yes)
83 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
85 others: $(addprefix $(objpfx),$(extra-objs))
87 ifeq ($(cross-compiling),yes)
88 tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
90 tests: $(tests:%=$(objpfx)%.out)
93 ifeq ($(build-programs),yes)
94 binaries-all = $(others) $(sysdep-others) $(tests) $(test-srcs)
95 binaries-static = $(others-static)
97 binaries-all = $(tests) $(test-srcs)
101 binaries-shared = $(filter-out $(binaries-static), $(binaries-all))
103 ifneq "$(strip $(binaries-shared))" ""
104 $(addprefix $(objpfx),$(binaries-shared)): %: %.o \
105 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
106 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
110 ifneq "$(strip $(binaries-static))" ""
111 $(addprefix $(objpfx),$(binaries-static)): %: %.o \
112 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
113 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
117 ifneq "$(strip $(tests) $(test-srcs))" ""
118 # These are the implicit rules for making test outputs
119 # from the test programs and whatever input files are present.
120 $(objpfx)%.out: %.args $(objpfx)% %.input
121 $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` < $(word 3,$^) > $@
122 $(objpfx)%.out: %.args $(objpfx)%
123 $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` > $@
124 $(objpfx)%.out: %.input $(objpfx)%
125 $($*-ENV) $(built-program-cmd) < $(word 1,$^) > $@
126 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
127 $($*-ENV) $(built-program-cmd) > $@
130 .PHONY: distclean realclean subdir_distclean subdir_realclean \
131 subdir_clean subdir_mostlyclean subdir_testclean
132 subdir_mostlyclean: mostlyclean
134 subdir_distclean: distclean
135 subdir_realclean: realclean
136 subdir_testclean: do-tests-clean
140 .PHONY: subdir_echo-headers
141 subdir_echo-headers: echo-headers
143 .PHONY: subdir_echo-distinfo
144 subdir_echo-distinfo:
145 @echo $(addprefix +header+,$(headers) $(filter %.h,$(distribute))) \
146 $(addprefix +nodist+,$(generated) $(common-generated) $(dont_distribute))
148 # We want to install everything except the library itself, but update all
149 # our portions of the library because the parent make will install it later
150 # (likewise the stubs file).
151 .PHONY: subdir_install
152 subdir_install: install-no-libc.a lib-noranlib stubs
154 .PHONY: subdir_TAGS subdir_dist
158 # Convenient target to update all the generated source files.
160 generated: $(addprefix $(common-objpfx),$(common-generated)) \
161 $(addprefix $(objpfx),$(generated))
163 # Target required by the Hurd to ensure that all the MiG-generated
164 # headers are in place before building a subdirectory.
165 .PHONY: before-compile
166 before-compile: $(before-compile)
168 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);
171 # There's no good place to put this - here will do.
172 # The dependencies are wrong if it's run from the top level.
173 ifeq ($(filter %posix, $(sysdirs)),)
184 stdio_lim = $(common-objpfx)bits/stdio_lim.h
186 $(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
187 $(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
188 $(common-objpfx)config.make
189 $(make-target-directory)
190 echo '#include "$(..)posix/bits/posix1_lim.h"' | \
191 SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
192 $(CC) $(+includes) -E -dM -xc - -o $(@:st=hT)
193 ifdef sed-remove-objpfx
194 sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt)
195 mv -f $(@:st=dt) $(@:st=d)
197 mv -f $(@:st=dT) $(@:st=d)
199 fopen_max=`sed -n 's/^#define OPEN_MAX //p' $(@:st=hT)`; \
200 filename_max=`sed -n 's/^#define PATH_MAX //p' $(@:st=hT)`; \
201 fopen_max=$${fopen_max:-16}; \
202 filename_max=$${filename_max:-1024}; \
203 sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
204 -e "s/@FILENAME_MAX@/$$filename_max/" \
205 -e "s/@L_tmpnam@/$(L_tmpnam)/" \
206 -e "s/@TMP_MAX@/$(TMP_MAX)/" \
207 -e "s/@L_ctermid@/$(L_ctermid)/" \
208 -e "s/@L_cuserid@/$(L_cuserid)/" \
210 $(move-if-change) $(@:st=h.new) $(@:st=h)
211 # Remove these last so that they can be examined if something went wrong.
212 rm -f $(@:st=hT) $(@:st=dT)
216 -include $(stdio_lim:h=d)
218 common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st