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1d038b6b | 1 | # Copyright (C) 1991-2003, 2004, 2005 Free Software Foundation, Inc. |
28f540f4 RM |
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 | |
41bdb6e2 AJ |
5 | # modify it under the terms of the GNU Lesser General Public |
6 | # License as published by the Free Software Foundation; either | |
7 | # version 2.1 of the License, or (at your option) any later version. | |
28f540f4 RM |
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 | |
41bdb6e2 | 12 | # Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 AJ |
14 | # You should have received a copy of the GNU Lesser General Public |
15 | # License along with the GNU C Library; if not, write to the Free | |
16 | # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | # 02111-1307 USA. | |
28f540f4 RM |
18 | |
19 | # | |
20 | # Makefile configuration options for the GNU C library. | |
21 | # | |
22 | ifneq (,) | |
23 | This makefile requires GNU Make. | |
24 | endif | |
25 | ||
3e5f5557 UD |
26 | all: # Make this the default goal |
27 | ||
28f540f4 RM |
28 | ifneq "$(origin +included-Makeconfig)" "file" |
29 | ||
30 | +included-Makeconfig := yes | |
31 | ||
32 | ifdef subdir | |
33 | .. := ../ | |
34 | endif | |
35 | ||
36 | # If config.make exists, the source directory was configured, | |
37 | # so don't try to be clever and find another directory to build in. | |
38 | ifneq (,$(wildcard $(..)config.make)) | |
39 | ARCH = | |
40 | machine = | |
41 | else # Not configured. | |
42 | ifndef ARCH | |
43 | ifdef machine | |
44 | ARCH = $(machine) | |
45 | endif # machine | |
46 | endif # ARCH | |
47 | endif # config.make | |
48 | ||
49 | # Directory for object files and libc.a. If this is not defined, the | |
50 | # object files live in the subdirectories where their sources live, and | |
51 | # libc.a lives in the parent directory (this probably doesn't work any | |
52 | # more). | |
53 | ifdef ARCH | |
54 | ifeq ($(filter /%,$(ARCH)),) | |
55 | objdir := $(..)$(ARCH) | |
56 | else | |
57 | objdir = $(ARCH) | |
58 | endif | |
59 | endif | |
60 | ||
094bacdb | 61 | # $(common-objdir) is the place to put objects and |
28f540f4 RM |
62 | # such that are not specific to a single subdir. |
63 | ifdef objdir | |
6e953631 UD |
64 | objpfx := $(patsubst %//,%/,$(objdir)/$(subdir)/) |
65 | common-objpfx = $(objdir)/ | |
28f540f4 RM |
66 | common-objdir = $(objdir) |
67 | else | |
68 | objpfx := | |
69 | ifdef .. | |
70 | common-objpfx = $(..) | |
71 | common-objdir = .. | |
72 | else | |
73 | # This is a kludge. make wizards might grok. | |
74 | common-objpfx = sysdeps/../ | |
75 | common-objdir = . | |
76 | endif | |
77 | endif | |
78 | ||
f332db02 RM |
79 | # Root of the sysdeps tree. |
80 | sysdep_dir := $(..)sysdeps | |
81 | export sysdep_dir := $(sysdep_dir) | |
82 | ||
28f540f4 RM |
83 | # Get the values defined by options to `configure'. |
84 | include $(common-objpfx)config.make | |
85 | ||
e07bb02a UD |
86 | # What flags to give to sources which call user provided callbacks |
87 | uses-callbacks = $(exceptions) | |
88 | ||
a4db3439 UD |
89 | # What flags to give to tests which test stack alignment |
90 | stack-align-test-flags = | |
91 | ||
0501d603 UD |
92 | # We have a special subdir for each binary format. |
93 | # For now, only ELF is fully supported. | |
94 | ifeq ($(elf),yes) | |
95 | binfmt-subdir = elf | |
96 | else | |
0a54e401 UD |
97 | # This is probably better than nothing. |
98 | binfmt-subdir = aout | |
0501d603 UD |
99 | endif |
100 | ||
57ba7bb4 | 101 | # Complete path to sysdep dirs. |
a334319f | 102 | export full_config_sysdirs := $(addprefix $(..),$(config-sysdirs)) |
57ba7bb4 | 103 | |
273d56ce RM |
104 | # Run config.status to update config.make and config.h. We don't show the |
105 | # dependence of config.h to Make, because it is only touched when it | |
106 | # changes and so config.status would be run every time; the dependence of | |
107 | # config.make should suffice to force regeneration and re-exec, and the new | |
108 | # image will notice if config.h changed. | |
19361cb7 UD |
109 | $(common-objpfx)config.make: $(common-objpfx)config.status \ |
110 | $(..)config.make.in $(..)config.h.in | |
273d56ce RM |
111 | cd $(<D); $(SHELL) $(<F) |
112 | ||
8f73811b RM |
113 | # Find all the add-on and sysdeps configure fragments, to make sure we |
114 | # re-run configure when any of them changes. | |
5290baf0 | 115 | $(common-objpfx)config.status: $(..)version.h $(..)configure \ |
a334319f UD |
116 | $(foreach dir,$(full_config_sysdirs),\ |
117 | $(wildcard \ | |
118 | $(dir)/Implies) \ | |
f332db02 RM |
119 | $(patsubst %.in,%,\ |
120 | $(firstword $(wildcard \ | |
8f73811b RM |
121 | $(addprefix $(dir)/,configure configure.in))))) \ |
122 | $(patsubst %.in,%,\ | |
a334319f | 123 | $(foreach dir,$(add-ons),\ |
8f73811b | 124 | $(firstword $(wildcard \ |
a334319f | 125 | $(addprefix $(..)$(dir)/,configure configure.in))))) |
273d56ce RM |
126 | @cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \ |
127 | echo The GNU C library has not been configured. >&2; \ | |
128 | echo Run \`configure\' to configure it before building. >&2; \ | |
129 | echo Try \`configure --help\' for more details. >&2; \ | |
130 | exit 1; fi | |
28f540f4 | 131 | |
74015205 UD |
132 | # We don't want CPPFLAGS to be exported to the command running configure. |
133 | unexport CPPFLAGS | |
134 | ||
28f540f4 RM |
135 | # Get the user's configuration parameters. |
136 | ifneq ($(wildcard $(..)configparms),) | |
137 | include $(..)configparms | |
138 | endif | |
139 | ifneq ($(objpfx),) | |
6e953631 UD |
140 | ifneq ($(wildcard $(common-objpfx)configparms),) |
141 | include $(common-objpfx)configparms | |
28f540f4 RM |
142 | endif |
143 | endif | |
28f540f4 RM |
144 | \f |
145 | #### | |
146 | #### These are the configuration variables. You can define values for | |
147 | #### the variables below in the file `configparms'. | |
148 | #### Do NOT edit this file. | |
149 | #### | |
150 | ||
151 | ||
152 | # Common prefix for machine-independent installation directories. | |
487253ea | 153 | ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value. |
28f540f4 RM |
154 | prefix = /usr/local |
155 | endif | |
156 | ||
0413b54c UD |
157 | # Decide whether we shall build the programs or not. We always do this |
158 | # unless the user tells us (in configparms) or we are building for a | |
159 | # standalone target. | |
160 | ifndef build-programs | |
161 | ifneq ($(config-os),none) | |
162 | build-programs=yes | |
163 | else | |
164 | build-programs=no | |
165 | endif | |
166 | endif | |
167 | ||
28f540f4 | 168 | # Common prefix for machine-dependent installation directories. |
487253ea | 169 | ifeq ($(origin exec_prefix),undefined) |
28f540f4 RM |
170 | exec_prefix = $(prefix) |
171 | endif | |
172 | ||
173 | # Where to install the library and object files. | |
174 | ifndef libdir | |
175 | libdir = $(exec_prefix)/lib | |
176 | endif | |
8d57beea | 177 | inst_libdir = $(install_root)$(libdir) |
28f540f4 | 178 | |
094bacdb RM |
179 | # Where to install the shared library and dynamic linker. |
180 | ifndef slibdir | |
181 | slibdir = $(exec_prefix)/lib | |
182 | endif | |
8d57beea | 183 | inst_slibdir = $(install_root)$(slibdir) |
094bacdb | 184 | |
28f540f4 RM |
185 | # Prefix to put on files installed in $(libdir). For libraries `libNAME.a', |
186 | # the prefix is spliced between `lib' and the name, so the linker switch | |
187 | # `-l$(libprefix)NAME' finds the library; for other files the prefix is | |
188 | # just prepended to the whole file name. | |
487253ea | 189 | ifeq ($(origin libprefix),undefined) |
28f540f4 RM |
190 | libprefix = |
191 | endif | |
192 | ||
193 | # Where to install the header files. | |
194 | ifndef includedir | |
25c751d0 | 195 | includedir = $(prefix)/include |
28f540f4 | 196 | endif |
8d57beea | 197 | inst_includedir = $(install_root)$(includedir) |
28f540f4 | 198 | |
28f540f4 | 199 | # Where to install machine-independent data files. |
a2fe9c76 | 200 | # These are the timezone database, and the locale database. |
28f540f4 RM |
201 | ifndef datadir |
202 | datadir = $(prefix)/share | |
203 | endif | |
8d57beea | 204 | inst_datadir = $(install_root)$(datadir) |
28f540f4 RM |
205 | |
206 | # Where to install the timezone data files (which are machine-independent). | |
207 | ifndef zonedir | |
208 | zonedir = $(datadir)/zoneinfo | |
209 | endif | |
8d57beea | 210 | inst_zonedir = $(install_root)$(zonedir) |
28f540f4 | 211 | |
4a33c2f5 | 212 | # Where to install the locale files. |
a2fe9c76 | 213 | ifndef localedir |
4a33c2f5 | 214 | localedir = $(libdir)/locale |
a2fe9c76 | 215 | endif |
8d57beea | 216 | inst_localedir = $(install_root)$(localedir) |
a2fe9c76 | 217 | |
4a33c2f5 UD |
218 | # Where to install the message catalog data files (which are |
219 | # machine-independent). | |
220 | ifndef msgcatdir | |
221 | msgcatdir = $(datadir)/locale | |
222 | endif | |
223 | inst_msgcatdir = $(install_root)$(msgcatdir) | |
224 | ||
3ec41e03 | 225 | # Where to install the locale charmap source files. |
19bc17a9 RM |
226 | ifndef i18ndir |
227 | i18ndir = $(datadir)/i18n | |
a2fe9c76 | 228 | endif |
8d57beea | 229 | inst_i18ndir = $(install_root)$(i18ndir) |
a2fe9c76 | 230 | |
6973fc01 UD |
231 | # Where to install the shared object for charset transformation. |
232 | ifndef gconvdir | |
233 | gconvdir = $(libdir)/gconv | |
234 | endif | |
235 | inst_gconvdir = $(install_root)$(gconvdir) | |
236 | ||
28f540f4 RM |
237 | # Where to install programs. |
238 | ifndef bindir | |
239 | bindir = $(exec_prefix)/bin | |
240 | endif | |
8d57beea | 241 | inst_bindir = $(install_root)$(bindir) |
28f540f4 | 242 | |
7f0ff1b0 UD |
243 | # Where to install internal programs. |
244 | ifndef libexecdir | |
245 | libexecdir = $(exec_prefix)/libexec | |
246 | endif | |
247 | inst_libexecdir = $(install_root)$(libexecdir) | |
248 | ||
28f540f4 | 249 | # Where to install administrative programs. |
1ef32c3d UD |
250 | ifndef rootsbindir |
251 | rootsbindir = $(exec_prefix)/sbin | |
252 | endif | |
8d57beea | 253 | inst_rootsbindir = $(install_root)$(rootsbindir) |
1ef32c3d | 254 | |
28f540f4 RM |
255 | ifndef sbindir |
256 | sbindir = $(exec_prefix)/sbin | |
257 | endif | |
8d57beea | 258 | inst_sbindir = $(install_root)$(sbindir) |
28f540f4 RM |
259 | |
260 | # Where to install the Info files. | |
261 | ifndef infodir | |
262 | infodir = $(prefix)/info | |
263 | endif | |
8d57beea | 264 | inst_infodir = $(install_root)$(infodir) |
28f540f4 RM |
265 | |
266 | # Where to install default configuration files. These include the local | |
267 | # timezone specification and network data base files. | |
268 | ifndef sysconfdir | |
269 | sysconfdir = $(prefix)/etc | |
270 | endif | |
8d57beea | 271 | inst_sysconfdir = $(install_root)$(sysconfdir) |
28f540f4 RM |
272 | |
273 | # What timezone should be the installed default (e.g., US/Eastern). | |
274 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
275 | # The local timezone can be changed with `zic -l TIMEZONE' at any time. | |
276 | ifndef localtime | |
277 | localtime = Factory | |
278 | endif | |
279 | ||
280 | # Where to install the "localtime" timezone file; this is the file whose | |
281 | # contents $(localtime) specifies. If this is a relative pathname, it is | |
282 | # relative to $(zonedir). It is a good idea to put this somewhere | |
283 | # other than there, so the zoneinfo directory contains only universal data, | |
284 | # localizing the configuration data elsewhere. | |
285 | ifndef localtime-file | |
0d8733c4 UD |
286 | localtime-file = $(sysconfdir)/localtime |
287 | inst_localtime-file = $(install_root)$(localtime-file) | |
28f540f4 RM |
288 | endif |
289 | ||
59dd8641 RM |
290 | # What to use for leap second specifications in compiling the default |
291 | # timezone files. Set this to `/dev/null' for no leap second handling as | |
292 | # 1003.1 requires, or to `leapseconds' for proper leap second handling. | |
293 | # Both zone flavors are always available as `posix/ZONE' and `right/ZONE'. | |
294 | # This variable determines the default: if it's `/dev/null', | |
295 | # ZONE==posix/ZONE; if it's `leapseconds', ZONE==right/ZONE. | |
296 | ifndef leapseconds | |
297 | leapseconds = /dev/null | |
298 | endif | |
299 | ||
28f540f4 RM |
300 | # What timezone's DST rules should be used when a POSIX-style TZ |
301 | # environment variable doesn't specify any rules. For 1003.1 compliance | |
302 | # this timezone must use rules that are as U.S. federal law defines DST. | |
303 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
304 | # This setting can be changed with `zic -p TIMEZONE' at any time. | |
305 | # If you want POSIX.1 compatibility, use `America/New_York'. | |
306 | ifndef posixrules | |
307 | posixrules = America/New_York | |
308 | endif | |
309 | ||
310 | # Where to install the "posixrules" timezone file; this is file | |
311 | # whose contents $(posixrules) specifies. If this is a relative | |
312 | # pathname, it is relative to $(zonedir). | |
313 | ifndef posixrules-file | |
314 | posixrules-file = posixrules | |
315 | endif | |
316 | ||
317 | ||
318 | # Directory where your system's native header files live. | |
319 | # This is used on Unix systems to generate some GNU libc header files. | |
320 | ifndef sysincludedir | |
321 | sysincludedir = /usr/include | |
322 | endif | |
323 | ||
324 | ||
325 | # Commands to install files. | |
326 | ifndef INSTALL_DATA | |
327 | INSTALL_DATA = $(INSTALL) -m 644 | |
328 | endif | |
07627f49 UD |
329 | ifndef INSTALL_SCRIPT |
330 | INSTALL_SCRIPT = $(INSTALL) | |
331 | endif | |
28f540f4 RM |
332 | ifndef INSTALL_PROGRAM |
333 | INSTALL_PROGRAM = $(INSTALL) | |
334 | endif | |
335 | ifndef INSTALL | |
336 | INSTALL = install | |
337 | endif | |
338 | ||
339 | ||
340 | # The name of the C compiler. | |
341 | # If you've got GCC, and it works, use it. | |
342 | ifeq ($(origin CC),default) | |
343 | CC := gcc | |
344 | endif | |
345 | ||
346 | # The name of the C compiler to use for compilations of programs to run on | |
347 | # the host that is building the library. If you set CC to a | |
348 | # cross-compiler, you must set this to the normal compiler. | |
349 | ifndef BUILD_CC | |
350 | BUILD_CC = $(CC) | |
351 | endif | |
352 | ||
353 | # Default flags to pass the C compiler. | |
354 | ifndef default_cflags | |
1d5c2feb UD |
355 | ifeq ($(release),stable) |
356 | default_cflags := -g -O2 | |
357 | else | |
a8922de8 | 358 | default_cflags := -g -O |
28f540f4 | 359 | endif |
1d5c2feb | 360 | endif |
28f540f4 RM |
361 | |
362 | # Flags to pass the C compiler when assembling preprocessed assembly code | |
363 | # (`.S' files). On some systems the assembler doesn't understand the `#' line | |
364 | # directives the preprocessor produces. If you have troubling compiling | |
365 | # assembly code, try using -P here to suppress these directives. | |
366 | ifndef asm-CPPFLAGS | |
367 | asm-CPPFLAGS = | |
368 | endif | |
369 | ||
9a0a462c UD |
370 | # ELF always supports init/fini sections |
371 | ifeq ($(elf),yes) | |
372 | have-initfini = yes | |
373 | endif | |
374 | ||
779ae82e | 375 | # Installed name of the startup code. |
9a0a462c UD |
376 | ifneq ($(have-initfini),yes) |
377 | # When not having init/fini, there is just one startfile, called crt0.o. | |
779ae82e UD |
378 | start-installed-name = crt0.o |
379 | else | |
9a0a462c | 380 | # On systems having init/fini, crt0.o is called crt1.o, and there are |
779ae82e UD |
381 | # some additional bizarre files. |
382 | start-installed-name = crt1.o | |
779ae82e | 383 | endif |
af09bfb5 RM |
384 | # On systems that do not need a special startfile for statically linked |
385 | # binaries, simply set it to the normal name. | |
386 | ifndef static-start-installed-name | |
387 | static-start-installed-name = $(start-installed-name) | |
388 | endif | |
779ae82e | 389 | |
f13df7c7 UD |
390 | ifeq (yesyesyes,$(build-shared)$(elf)$(have-z-combreloc)) |
391 | combreloc-LDFLAGS = -Wl,-z,combreloc | |
392 | LDFLAGS.so += $(combreloc-LDFLAGS) | |
393 | LDFLAGS-rtld += $(combreloc-LDFLAGS) | |
394 | endif | |
395 | ||
1c563add UD |
396 | ifeq (yes,$(have-z-relro)) |
397 | relro-LDFLAGS = -Wl,-z,relro | |
398 | LDFLAGS.so += $(relro-LDFLAGS) | |
399 | LDFLAGS-rtld += $(relro-LDFLAGS) | |
400 | endif | |
401 | ||
28f540f4 RM |
402 | # Command for linking programs with the C library. |
403 | ifndef +link | |
8e3cc80f | 404 | +link = $(CC) -nostdlib -nostartfiles -o $@ \ |
482eec0d | 405 | $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \ |
a334319f | 406 | $(combreloc-LDFLAGS) $(relro-LDFLAGS) \ |
779ae82e UD |
407 | $(addprefix $(csu-objpfx),$(start-installed-name)) \ |
408 | $(+preinit) $(+prector) \ | |
409 | $(filter-out $(addprefix $(csu-objpfx),start.o \ | |
410 | $(start-installed-name))\ | |
411 | $(+preinit) $(link-extra-libs) \ | |
412 | $(common-objpfx)libc% $(+postinit),$^) \ | |
5ae9d168 | 413 | $(link-extra-libs) $(link-libc) $(+postctor) $(+postinit) |
28f540f4 | 414 | endif |
e1586792 UD |
415 | # Command for statically linking programs with the C library. |
416 | ifndef +link-static | |
417 | +link-static = $(CC) -nostdlib -nostartfiles -static -o $@ \ | |
9f0d7b6d | 418 | $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \ |
af09bfb5 | 419 | $(addprefix $(csu-objpfx),$(static-start-installed-name)) \ |
e1586792 UD |
420 | $(+preinit) $(+prector) \ |
421 | $(filter-out $(addprefix $(csu-objpfx),start.o \ | |
422 | $(start-installed-name))\ | |
423 | $(+preinit) $(link-extra-libs-static) \ | |
424 | $(common-objpfx)libc% $(+postinit),$^) \ | |
425 | $(link-extra-libs-static) $(link-libc-static) $(+postctor) $(+postinit) | |
426 | endif | |
ac556388 GM |
427 | # Command for statically linking bounded-pointer programs with the C library. |
428 | ifndef +link-bounded | |
429 | +link-bounded = $(CC) -nostdlib -nostartfiles -static -fbounded-pointers -o $@ \ | |
430 | $(sysdep-LDFLAGS) $(LDFLAGS) \ | |
431 | $(addprefix $(csu-objpfx),b$(static-start-installed-name)) \ | |
432 | $(+preinit) $(+prector) \ | |
4362aba5 | 433 | $(filter-out $(addprefix $(csu-objpfx),start.ob \ |
ac556388 GM |
434 | $(start-installed-name))\ |
435 | $(+preinit) $(link-extra-libs-bounded) \ | |
436 | $(common-objpfx)libc% $(+postinit),$^) \ | |
437 | $(link-extra-libs-bounded) $(link-libc-bounded) $(+postctor) $(+postinit) | |
438 | endif | |
b122c703 | 439 | ifndef config-LDFLAGS |
994431ed | 440 | ifeq (yesyes,$(build-shared)$(elf)) |
094bacdb | 441 | config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name) |
b122c703 RM |
442 | endif |
443 | endif | |
3fe9de0d RM |
444 | ifndef link-libc |
445 | ifeq (yes,$(build-shared)) | |
ad10cac8 | 446 | ifeq ($(elf),yes) |
aa1075ea RM |
447 | # We need the versioned name of libc.so in the deps of $(others) et al |
448 | # so that the symlink to libc.so is created before anything tries to | |
449 | # run the linked programs. | |
4d6acc61 | 450 | link-libc = -Wl,-rpath-link=$(rpath-link) \ |
aa1075ea | 451 | $(common-objpfx)libc.so$(libc.so-version) \ |
a44d2393 | 452 | $(common-objpfx)$(patsubst %,$(libtype.oS),c) $(gnulib) |
4d6acc61 | 453 | # This is how to find at build-time things that will be installed there. |
b11f5954 | 454 | rpath-dirs = math elf dlfcn nss nis rt resolv crypt |
ad10cac8 | 455 | endif |
e72bfd87 UD |
456 | rpath-link = \ |
457 | $(common-objdir):$(subst $(empty) ,:,$(patsubst ../$(subdir),.,$(rpath-dirs:%=$(common-objpfx)%))) | |
47707456 | 458 | elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf) |
3fe9de0d | 459 | else |
ce85d65b UD |
460 | nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss) |
461 | resolvobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)resolv) | |
4ac5087b | 462 | link-libc = $(common-objpfx)libc.a $(otherlibs) $(gnulib) $(common-objpfx)libc.a $(gnulib) |
3fe9de0d RM |
463 | endif |
464 | endif | |
900bec85 | 465 | |
ad10cac8 UD |
466 | # Differences in the linkers on the various platforms. |
467 | ifeq ($(elf),yes) | |
468 | LDFLAGS-rpath-ORIGIN = -Wl,-rpath,'$$ORIGIN' | |
469 | LDFLAGS-soname-fname = -Wl,-soname,$(@F) | |
470 | LDFLAGS-rdynamic = -rdynamic | |
471 | LDFLAGS-Bsymbolic = -Bsymbolic | |
ad10cac8 UD |
472 | endif |
473 | ||
f01010de UD |
474 | # Choose the default search path for the dynamic linker based on |
475 | # where we will install libraries. | |
476 | ifneq ($(libdir),$(slibdir)) | |
477 | default-rpath = $(slibdir):$(libdir) | |
478 | else | |
479 | default-rpath = $(libdir) | |
480 | endif | |
481 | ||
57ba7bb4 | 482 | ifndef link-extra-libs |
1d038b6b RM |
483 | link-extra-libs = $(LDLIBS-$(@F)) |
484 | link-extra-libs-static = $(link-extra-libs) | |
485 | link-extra-libs-bounded = $(link-extra-libs) | |
57ba7bb4 | 486 | endif |
e1586792 UD |
487 | |
488 | # The static libraries. | |
66000494 | 489 | ifeq (yes,$(build-static)) |
feca5e0b | 490 | link-libc-static = $(common-objpfx)libc.a $(static-gnulib) $(common-objpfx)libc.a |
66000494 UD |
491 | else |
492 | ifeq (yes,$(build-shared)) | |
493 | # We can try to link the programs with lib*_pic.a... | |
feca5e0b | 494 | link-libc-static = $(static-gnulib) $(common-objpfx)libc_pic.a |
66000494 UD |
495 | endif |
496 | endif | |
ac556388 | 497 | link-libc-bounded = $(common-objpfx)libc_b.a $(gnulib) $(common-objpfx)libc_b.a |
e1586792 | 498 | |
28f540f4 | 499 | ifndef gnulib |
cbdb12de UD |
500 | ifneq ($(have-cc-with-libunwind),yes) |
501 | libunwind = | |
feca5e0b | 502 | else |
cbdb12de | 503 | libunwind = -lunwind |
feca5e0b | 504 | endif |
cbdb12de UD |
505 | ifneq ($(have-as-needed),yes) |
506 | libgcc_eh := -lgcc_eh $(libunwind) | |
26b30508 | 507 | else |
cbdb12de | 508 | libgcc_eh := -Wl,--as-needed -lgcc_s$(libgcc_s_suffix) $(libunwind) -Wl,--no-as-needed |
26b30508 | 509 | endif |
cbdb12de UD |
510 | gnulib := -lgcc $(libgcc_eh) |
511 | static-gnulib := -lgcc -lgcc_eh $(libunwind) | |
512 | libc.so-gnulib := -lgcc | |
28f540f4 | 513 | endif |
96f873b9 | 514 | ifeq ($(elf),yes) |
e75154a6 RM |
515 | +preinit = $(addprefix $(csu-objpfx),crti.o) |
516 | +postinit = $(addprefix $(csu-objpfx),crtn.o) | |
5ae9d168 UD |
517 | +prector = `$(CC) --print-file-name=crtbegin.o` |
518 | +postctor = `$(CC) --print-file-name=crtend.o` | |
66715f83 | 519 | +interp = $(addprefix $(elf-objpfx),interp.os) |
96f873b9 | 520 | endif |
6e953631 UD |
521 | csu-objpfx = $(common-objpfx)csu/ |
522 | elf-objpfx = $(common-objpfx)elf/ | |
28f540f4 | 523 | |
03a75825 RM |
524 | # How to run a program we just linked with our library. |
525 | # The program binary is assumed to be $(word 2,$^). | |
526 | built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^)) | |
ad10cac8 | 527 | ifeq (yesyes,$(build-shared)$(elf)) |
196980f5 | 528 | comma = , |
11336c16 UD |
529 | sysdep-library-path = \ |
530 | $(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\ | |
531 | $(filter -Wl$(comma)-rpath-link=%,\ | |
532 | $(sysdep-LDFLAGS))))) | |
27abf7a3 | 533 | run-program-prefix = $(if $(filter $(notdir $(built-program-file)),\ |
ccd8de9a | 534 | $(tests-static) $(xtests-static)),, \ |
85857f93 UD |
535 | $(elf-objpfx)$(rtld-installed-name) \ |
536 | --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path))) | |
8658ceda UD |
537 | else |
538 | run-program-prefix = | |
539 | endif | |
ac556388 GM |
540 | # Never use $(run-program-prefix) for the statically-linked %-bp test programs |
541 | built-program-cmd = $(patsubst %,$(run-program-prefix),\ | |
542 | $(filter-out %-bp,$(built-program-file))) \ | |
543 | $(built-program-file) | |
03a75825 | 544 | |
28f540f4 RM |
545 | ifndef LD |
546 | LD := ld -X | |
547 | endif | |
548 | ||
549 | ifndef RANLIB | |
550 | RANLIB = ranlib | |
551 | endif | |
552 | ||
553 | # Extra flags to pass to GCC. | |
6cc7d725 | 554 | ifeq ($(all-warnings),yes) |
a334319f | 555 | +gccwarn := -Wall -Wwrite-strings -Winline -Wstrict-prototypes -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar |
6cc7d725 | 556 | else |
a334319f | 557 | +gccwarn := -Wall -Wwrite-strings -Winline -Wstrict-prototypes |
6cc7d725 | 558 | endif |
28f540f4 | 559 | |
dec36b4f UD |
560 | # We do not depend on the address of constants in different files to be |
561 | # actually different, so allow the compiler to merge them all. | |
562 | +merge-constants = -fmerge-all-constants | |
563 | ||
30077d51 RM |
564 | # This is the program that generates makefile dependencies from C source files. |
565 | # The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy | |
566 | # targets for headers so that removed headers don't break the build. | |
28f540f4 | 567 | ifndef +mkdep |
30077d51 | 568 | +mkdep = $(CC) -M -MP |
28f540f4 RM |
569 | endif |
570 | ||
571 | # The program that makes Emacs-style TAGS files. | |
78759725 | 572 | ETAGS := etags |
28f540f4 RM |
573 | |
574 | # The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and | |
575 | # perhaps others) to preprocess assembly code in some cases. | |
576 | M4 = m4 | |
577 | ||
73237de3 UD |
578 | # To force installation of files even if they are older than the |
579 | # installed files. This variable is included in the dependency list | |
580 | # of all installation targets. | |
581 | ifeq ($(force-install),yes) | |
582 | +force = force-install | |
583 | else | |
584 | +force = | |
585 | endif | |
586 | ||
28f540f4 RM |
587 | #### |
588 | #### End of configuration variables. | |
589 | #### | |
590 | \f | |
591 | # This tells some versions of GNU make before 3.63 not to export all variables. | |
592 | .NOEXPORT: | |
593 | ||
594 | # We want to echo the commands we're running without | |
6d52618b | 595 | # umpteen zillion filenames along with it (we use `...' instead) |
28f540f4 RM |
596 | # but we don't want this echoing done when the user has said |
597 | # he doesn't want to see commands echoed by using -s. | |
598 | ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s | |
599 | +cmdecho := echo >/dev/null | |
600 | else # not -s | |
601 | +cmdecho := echo | |
602 | endif # -s | |
603 | ||
604 | # These are the flags given to the compiler to tell | |
605 | # it what sort of optimization and/or debugging output to do. | |
606 | ifndef +cflags | |
607 | # If `CFLAGS' was defined, use that. | |
608 | ifdef CFLAGS | |
609 | +cflags := $(filter-out -I%,$(CFLAGS)) | |
610 | endif # CFLAGS | |
611 | endif # +cflags | |
612 | ||
fd26970f | 613 | # If none of the above worked, default to "-g -O". |
28f540f4 RM |
614 | ifeq "$(strip $(+cflags))" "" |
615 | +cflags := $(default_cflags) | |
616 | endif # $(+cflags) == "" | |
617 | ||
dec36b4f | 618 | +cflags += $(addprefix -mcpu=,$(with-cpu)) $(+gccwarn) $(+merge-constants) |
28f540f4 | 619 | +gcc-nowarn := -w |
28f540f4 RM |
620 | |
621 | # Don't duplicate options if we inherited variables from the parent. | |
622 | +cflags := $(sort $(+cflags)) | |
623 | ||
624 | ||
b6ab06ce UD |
625 | # These are flags given to the C compiler to tell it to look for |
626 | # include files (including ones given in angle brackets) in the parent | |
627 | # library source directory, in the include directory, and in the | |
628 | # current directory. | |
a334319f | 629 | # `+sysdep-includes' will be defined by Makerules. |
b6ab06ce | 630 | +includes = -I$(..)include $(patsubst %/,-I%,$(..)) \ |
a334319f | 631 | $(libio-include) $(includes) \ |
b6ab06ce UD |
632 | $(+sysdep-includes) $(sysincludes) -I. \ |
633 | $(patsubst %/,-I%,$(objpfx)) | |
28f540f4 | 634 | |
96aa2d94 | 635 | # Since libio has several internal header files, we use a -I instead |
762a2918 | 636 | # of many little headers in the include directory. |
96aa2d94 | 637 | libio-include = -I$(..)libio |
28f540f4 RM |
638 | |
639 | # These are the variables that the implicit compilation rules use. | |
ce460d04 RM |
640 | # Note that we can't use -std=* in CPPFLAGS, because it overrides |
641 | # the implicit -lang-asm and breaks cpp behavior for .S files--notably | |
642 | # it causes cpp to stop predefining __ASSEMBLER__. | |
3387a425 | 643 | CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \ |
ae8b36f7 | 644 | -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \ |
0a951d0e | 645 | $(CPPFLAGS-$(suffix $@)) \ |
d29724f8 RM |
646 | $(foreach lib,$(libof-$(basename $(@F))) \ |
647 | $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \ | |
0a951d0e | 648 | $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F))) |
ce460d04 | 649 | override CFLAGS = -std=gnu99 \ |
a334319f UD |
650 | $(filter-out %frame-pointer,$(+cflags)) $(sysdep-CFLAGS) \ |
651 | $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) $(CFLAGS-$(@F)) | |
28f540f4 | 652 | |
cc3fa755 UD |
653 | # If everything is compiled with -fPIC (implicitly) we must tell this by |
654 | # defining the PIC symbol. | |
655 | ifeq (yes,$(build-pic-default)) | |
656 | pic-default = -DPIC | |
657 | endif | |
658 | ||
f0bf9cb9 RM |
659 | # Enable object files for different versions of the library. |
660 | # Various things use $(object-suffixes) to know what all to make. | |
661 | # The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX}) | |
662 | # to pass different flags for each flavor. | |
91641c65 | 663 | libtypes = $(foreach o,$(object-suffixes-for-libc),$(libtype$o)) |
a35cb74d | 664 | all-object-suffixes := .o .os .op .og .ob .oS |
650425ce | 665 | object-suffixes := |
cc3fa755 | 666 | CPPFLAGS-.o = $(pic-default) |
14e9dd67 | 667 | CFLAGS-.o = $(filter %frame-pointer,$(+cflags)) |
66000494 | 668 | ifeq (yes,$(build-static)) |
f0bf9cb9 | 669 | libtype.o := lib%.a |
650425ce UD |
670 | object-suffixes += .o |
671 | endif | |
f0bf9cb9 RM |
672 | ifeq (yes,$(build-shared)) |
673 | # Under --enable-shared, we will build a shared library of PIC objects. | |
40a55d20 UD |
674 | # The PIC object files are named foo.os. |
675 | object-suffixes += .os | |
b5567b2a | 676 | CPPFLAGS-.os = -DPIC -DSHARED |
14e9dd67 | 677 | CFLAGS-.os = $(filter %frame-pointer,$(+cflags)) $(pic-ccflag) |
40a55d20 | 678 | libtype.os := lib%_pic.a |
26b4d766 UD |
679 | # This can be changed by a sysdep makefile |
680 | pic-ccflag = -fPIC | |
231e88a4 UD |
681 | # This one should always stay like this unless there is a very good reason. |
682 | PIC-ccflag = -fPIC | |
f0bf9cb9 RM |
683 | endif |
684 | ifeq (yes,$(build-profile)) | |
685 | # Under --enable-profile, we will build a static library of profiled objects. | |
40a55d20 UD |
686 | # The profiled object files are named foo.op. |
687 | object-suffixes += .op | |
cc3fa755 | 688 | CPPFLAGS-.op = -DPROF $(pic-default) |
40a55d20 UD |
689 | CFLAGS-.op = -pg |
690 | libtype.op = lib%_p.a | |
f0bf9cb9 RM |
691 | endif |
692 | ifeq (yes,$(build-omitfp)) | |
ab95290c | 693 | # Under --enable-omitfp, we build the library optimized without |
f0bf9cb9 | 694 | # debugging information using -fomit-frame-pointer, and build an extra |
40a55d20 UD |
695 | # library with debugging information. The debuggable objects are named foo.og. |
696 | object-suffixes += .og | |
cc3fa755 | 697 | CPPFLAGS-.og = $(pic-default) |
40a55d20 | 698 | CFLAGS-.og = -g |
14e9dd67 UD |
699 | CFLAGS-.o = $(filter %frame-pointer,$(+cflags)) -g0 -O99 -fomit-frame-pointer -D__USE_STRING_INLINES |
700 | CFLAGS-.os += -g0 -O99 -fomit-frame-pointer -D__USE_STRING_INLINES | |
40a55d20 | 701 | libtype.og = lib%_g.a |
f0bf9cb9 | 702 | endif |
ab95290c UD |
703 | |
704 | bppfx = BP- | |
5a97622d UD |
705 | ifeq (yes,$(build-bounded)) |
706 | # Under --enable-bounded, we build the library with `-fbounded-pointers -g' | |
40a55d20 | 707 | # to runtime bounds checking. The bounded-pointer objects are named foo.ob. |
58ff985d GM |
708 | # We disable sibling-call optimizations so that stack traces will be complete |
709 | # and thus aid debugging, since after all, BPs are a debugging tool. | |
40a55d20 | 710 | object-suffixes += .ob |
ab95290c | 711 | CPPFLAGS-.ob = -fbounded-pointers $(pic-default) |
e64911d1 | 712 | CFLAGS-.ob = -g -O2 -fno-optimize-sibling-calls -fno-strict-aliasing |
40a55d20 | 713 | libtype.ob = lib%_b.a |
5a97622d | 714 | endif |
f0bf9cb9 | 715 | |
9afc8a59 UD |
716 | object-suffixes-for-libc := $(object-suffixes) |
717 | ||
718 | ifeq (yes,$(build-shared)) | |
719 | # Build special library that contains the static-only routines for libc. | |
720 | object-suffixes-for-libc += .oS | |
721 | ||
722 | # Must build the routines as PIC, though, because they can end up in (users') | |
723 | # shared objects. We don't want to use CFLAGS-os because users may, for | |
724 | # example, make that processor-specific. | |
231e88a4 | 725 | CFLAGS-.oS = $(CFLAGS-.o) $(PIC-ccflag) |
06b31ad3 | 726 | CPPFLAGS-.oS = $(CPPFLAGS-.o) -DPIC -DLIBC_NONSHARED=1 |
9afc8a59 UD |
727 | libtype.oS = lib%_nonshared.a |
728 | endif | |
729 | ||
073e82bf RM |
730 | # The assembler can generate debug information too. |
731 | ifndef ASFLAGS | |
732 | ifeq ($(have-cpp-asm-debuginfo),yes) | |
733 | ASFLAGS := $(filter -g%,$(CFLAGS)) | |
35915ec8 UD |
734 | else |
735 | ASFLAGS := | |
073e82bf RM |
736 | endif |
737 | endif | |
35915ec8 | 738 | ASFLAGS += $(ASFLAGS-config) |
9afc8a59 | 739 | |
a334319f UD |
740 | +gnu-stabs = $(shell echo>&2 '*** BARF ON ME') |
741 | ||
96bda0ea RM |
742 | ifndef BUILD_CC |
743 | BUILD_CC = $(CC) | |
744 | endif | |
e72bfd87 UD |
745 | |
746 | move-if-change = $(SHELL) $(..)scripts/move-if-change | |
a641835a | 747 | \f |
a334319f UD |
748 | -include $(common-objpfx)sysd-dirs |
749 | ||
750 | ifeq ($(sysd-dirs-done),t) | |
281e6031 UD |
751 | -include $(common-objpfx)sysd-sorted |
752 | subdirs = $(sorted-subdirs) | |
a334319f | 753 | endif |
9a0a462c | 754 | |
4de1d597 RM |
755 | ifeq (yes, $(build-shared)) |
756 | ||
f3787738 RM |
757 | # This is a pair of implicit rules to preprocess a file with # comments, |
758 | # %ifdef et al, based on config.h settings or other %include'd files. | |
759 | # We use chained rules instead of a pipeline here so that we can properly | |
760 | # check the exit status of cpp rather than using its bad output when there | |
761 | # is a preprocessing error. Another rule should depend on the output file | |
762 | # `FOO.v', and along with that `FOO.v.i' should be given dependencies | |
763 | # listing both its input files, and any header files that it may reference | |
764 | # (but no commands). | |
765 | %.v.i: $(common-objpfx)config.h | |
766 | sed '/^[ ]*#/d;s/^[ ]*%/#/' $(filter-out FORCE %.h,$^) \ | |
a334319f UD |
767 | | $(CC) -E -undef $(CPPFLAGS) \ |
768 | -DASSEMBLER -x assembler-with-cpp - \ | |
f3787738 RM |
769 | > $@T |
770 | mv -f $@T $@ | |
771 | %.v: %.v.i | |
772 | sed '/^[ ]*#/d;/^[ ]*$$/d' $< > $@T | |
773 | mv -f $@T $@ | |
480d827b | 774 | |
4de1d597 RM |
775 | # Process the shlib-versions file, which tells us what shared library |
776 | # version numbers to use when we install shared objects on this system. | |
281e6031 UD |
777 | # We need to wait until $(subdirs) is complete. |
778 | ifeq ($(sysd-sorted-done),t) | |
4de1d597 | 779 | -include $(common-objpfx)soversions.mk |
eca3eb3b | 780 | ifndef avoid-generated |
9632aaee RM |
781 | # This lets add-ons give more-specific matches that override defaults |
782 | # in the top-level file. | |
f3787738 | 783 | $(common-objpfx)shlib-versions.v.i: \ |
a334319f UD |
784 | $(wildcard $(patsubst %, $(..)%/shlib-versions,$(add-ons) \ |
785 | $(config-sysdirs) \ | |
786 | $(subdirs))) \ | |
9632aaee | 787 | $(..)shlib-versions |
6d864d15 RM |
788 | |
789 | soversions-default-setname = $(patsubst %, %,\ | |
790 | $(filter-out %_default,\ | |
791 | $(oldest-abi:%=GLIBC_%))) | |
792 | $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \ | |
793 | $(common-objpfx)shlib-versions.v | |
794 | $(AWK) -v default_setname='$(soversions-default-setname)' \ | |
91adb529 RM |
795 | -v cpu='$(config-machine)' \ |
796 | -v vendor='$(config-vendor)' \ | |
797 | -v os='$(config-os)' \ | |
6d864d15 | 798 | -f $^ > $@T |
ba7e89ec | 799 | mv -f $@T $@ |
3e1e123d RM |
800 | $(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig |
801 | (seen_DEFAULT=0; seen_WORDSIZE32=0; seen_WORDSIZE64=0; \ | |
802 | while read which lib number setname; do \ | |
803 | eval seen_$$which=1; \ | |
91adb529 | 804 | test x"$$which" = xDEFAULT || continue; \ |
1bc777b8 UD |
805 | case $$number in \ |
806 | [0-9]*) echo "$$lib.so-version=.$$number"; \ | |
807 | echo "all-sonames+=$$lib=$$lib.so\$$($$lib.so-version)";;\ | |
808 | *) echo "$$lib.so-version=$$number"; \ | |
809 | echo "all-sonames+=$$lib=\$$($$lib.so-version)";;\ | |
810 | esac; \ | |
811 | done; \ | |
3e1e123d RM |
812 | case "$$seen_DEFAULT$$seen_WORDSIZE32$$seen_WORDSIZE64" in \ |
813 | 100) echo biarch = no;; \ | |
814 | 101) echo biarch = 32;; \ | |
815 | ?1?) echo biarch = 64;; \ | |
816 | *) echo >&2 BUG; exit 2;; \ | |
817 | esac; \ | |
1bc777b8 | 818 | echo soversions.mk-done = t;) < $< > $@T; exit 0 |
4de1d597 | 819 | mv -f $@T $@ |
eca3eb3b | 820 | endif |
281e6031 | 821 | endif |
eca3eb3b | 822 | |
f3787738 RM |
823 | postclean-generated += soversions.mk soversions.i \ |
824 | shlib-versions.v shlib-versions.v.i | |
4de1d597 | 825 | |
c0e45674 | 826 | # Generate the header containing the names of all shared libraries. |
5613ea18 | 827 | # We use a stamp file to avoid unnecessary recompilations. |
c0e45674 | 828 | before-compile += $(common-objpfx)gnu/lib-names.h |
1bc777b8 | 829 | ifeq ($(soversions.mk-done),t) |
60c34a30 | 830 | $(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp; @: |
91adb529 RM |
831 | $(common-objpfx)gnu/lib-names.stmp: $(..)scripts/lib-names.awk \ |
832 | $(common-objpfx)soversions.i | |
c0e45674 UD |
833 | $(make-target-directory) |
834 | @rm -f ${@:stmp=T} $@ | |
91adb529 | 835 | $(AWK) -f $^ > ${@:stmp=T} |
7e7a548e | 836 | $(move-if-change) ${@:stmp=T} ${@:stmp=h} |
c0e45674 | 837 | touch $@ |
1bc777b8 | 838 | endif |
c0e45674 UD |
839 | |
840 | common-generated += gnu/lib-names.h gnu/lib-names.stmp | |
d41c6f61 UD |
841 | |
842 | # The name under which the run-time dynamic linker is installed. | |
843 | # We are currently going for the convention that `/lib/ld.so.1' | |
844 | # names the SVR4/ELF ABI-compliant dynamic linker. | |
845 | ifndef rtld-installed-name | |
846 | ifdef ld.so-version | |
847 | rtld-installed-name = $(ld.so-version) | |
848 | else | |
849 | rtld-installed-name = ld.so.1 | |
850 | endif | |
851 | endif | |
852 | ||
1ef32c3d UD |
853 | ifndef rtld-version-installed-name |
854 | rtld-version-installed-name = ld-$(version).so | |
855 | endif | |
856 | ||
f649c201 UD |
857 | endif # build-shared |
858 | ||
cbdee279 | 859 | |
94e365c6 UD |
860 | ifeq ($(elf),yes) |
861 | dlfcn = dlfcn | |
862 | ifeq ($(build-shared),yes) | |
863 | libdl = $(common-objpfx)dlfcn/libdl.so$(libdl.so-version) | |
864 | else | |
865 | libdl = $(common-objpfx)dlfcn/libdl.a | |
866 | endif | |
867 | else | |
ad10cac8 UD |
868 | ifneq (,$(findstring aix,$(config-os))) |
869 | ifeq ($(build-shared),yes) | |
870 | dlfcn = dlfcn | |
871 | libdl = $(common-objpfx)dlfcn/libdl.so$(libdl.so-version) | |
872 | else | |
873 | # No libdl without shared libs on AIX | |
874 | dlfcn = | |
875 | libdl = | |
876 | endif | |
877 | else | |
878 | # No ELF, no AIX - no libdl, at least for now. | |
94e365c6 UD |
879 | dlfcn = |
880 | libdl = | |
881 | endif | |
ad10cac8 | 882 | endif |
94e365c6 | 883 | |
bb41a976 UD |
884 | # These are the subdirectories containing the library source. The order |
885 | # is more or less arbitrary. The sorting step will take care of the | |
a334319f UD |
886 | # dependencies. Only the $(binfmt-subdir) should always be kept at the |
887 | # end of the list. | |
8d6f1731 | 888 | all-subdirs = csu assert ctype locale intl catgets math setjmp signal \ |
a334319f | 889 | stdlib stdio-common libio malloc string wcsmbs time dirent \ |
b0b67c47 | 890 | grp pwd posix io termios resource misc socket sysvipc gmon \ |
b11f5954 | 891 | gnulib iconv iconvdata wctype manual shadow po argp \ |
a334319f UD |
892 | crypt $(add-ons) nss localedata timezone rt conform debug \ |
893 | $(sysdep-subdirs) $(dlfcn) $(binfmt-subdir) | |
894 | all-subdirs := $(filter-out $(sysdep-inhibit-subdirs),$(all-subdirs)) | |
895 | ||
896 | # The mach and hurd subdirectories have many generated header files which | |
897 | # much of the rest of the library depends on, so it is best to build them | |
898 | # first (and mach before hurd, at that). The before-compile additions in | |
899 | # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files | |
900 | # not to exist when making in other directories, but it will be slower that | |
901 | # way with more somewhat expensive `make' invocations. | |
902 | subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \ | |
903 | $(filter-out mach hurd,$(subdirs)) | |
b22fc5f5 | 904 | |
b7e2d9a5 | 905 | ifndef avoid-generated |
a334319f UD |
906 | all-Subdirs-files = $(wildcard $(config-sysdirs:%=$(..)%/Subdirs)) |
907 | $(common-objpfx)sysd-dirs: $(common-objpfx)config.make $(all-Subdirs-files) | |
908 | $(AWK) 'BEGIN { subdirs = ""; inhibit = "" }; \ | |
909 | /^#/ { next }; \ | |
910 | /^[^-]/ { subdirs = subdirs " " $$0 }; \ | |
911 | /^-/ { inhibit = inhibit " " substr($$0, 2) }; \ | |
912 | END { printf "sysdep-subdirs =%s\n", subdirs; \ | |
913 | printf "sysdep-inhibit-subdirs =%s\n", inhibit; \ | |
914 | print "sysd-dirs-done = t" }' \ | |
915 | $(patsubst $<,/dev/null,$^) > $@-tmp | |
916 | mv -f $@-tmp $@ | |
917 | ||
918 | all-Depend-files = $(wildcard $(..)*/Depend) | |
919 | $(common-objpfx)sysd-sorted: $(..)scripts/gen-sorted.awk $(all-Depend-files) \ | |
920 | $(common-objpfx)sysd-dirs $(..)Makeconfig | |
921 | { { dirs='$(patsubst $(..)%/Depend,%,$(filter %/Depend,$^))'; \ | |
922 | for d in $$dirs; do \ | |
923 | while read on; do \ | |
924 | echo "depend $$d $$on"; \ | |
925 | done < $(..)$$d/Depend; \ | |
926 | done; \ | |
927 | for f in $(all-subdirs); do \ | |
928 | echo $$f; \ | |
929 | done; \ | |
930 | } | $(AWK) -f $< && \ | |
931 | echo sysd-sorted-done = t; \ | |
932 | } > $@-tmp | |
bb41a976 | 933 | mv -f $@-tmp $@ |
b7e2d9a5 | 934 | endif |
bb41a976 | 935 | |
083973f3 | 936 | # Let sysdeps/ subdirs contain a Makeconfig fragment for us to include here. |
a334319f UD |
937 | sysdep-makeconfigs := $(wildcard $(patsubst %,$(..)%/Makeconfig,\ |
938 | $(config-sysdirs) $(add-ons))) | |
939 | ||
083973f3 | 940 | ifneq (,$(sysdep-makeconfigs)) |
a334319f UD |
941 | Makeconfig-doing-sysdep := $(sysdep-makeconfigs) |
942 | # Before each one, include ourselves again to do the bit below that | |
943 | # will set `Makeconfig-add-on' in an add-on's Makeconfig fragment. | |
944 | include $(foreach M,$(sysdep-makeconfigs),$(..)Makeconfig $M) | |
083973f3 RM |
945 | endif |
946 | ||
947 | ||
28f540f4 | 948 | endif # Makeconfig not yet included |
c238ecf7 | 949 | |
a334319f UD |
950 | # The whole body above didn't run when we are included as a subroutine |
951 | # of ourselves in the sysdep-makeconfigs include line. This bit runs. | |
952 | ifneq (,$(Makeconfig-doing-sysdep)) | |
953 | sysdep-Makeconfig := $(firstword $(Makeconfig-doing-sysdep)) | |
954 | Makeconfig-doing-sysdep := $(filter-out $(sysdep-Makeconfig),\ | |
955 | $(Makeconfig-doing-sysdep)) | |
956 | Makeconfig-add-on := $(filter $(add-ons),$(patsubst $(..)%/Makeconfig,%,\ | |
957 | $(sysdep-Makeconfig))) | |
958 | endif | |
959 | ||
c238ecf7 UD |
960 | # Local Variables: |
961 | # mode: makefile | |
962 | # End: |