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c913bb2c | 1 | # Copyright (C) 1991-2003,2004,2005,2006 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. |
e0a3ed4f RM |
102 | # `configure' writes a definition of `config-sysdirs' in `config.make'. |
103 | sysdirs := $(foreach D,$(config-sysdirs),$(firstword $(filter /%,$D) $(..)$D)) | |
104 | ||
105 | # Add-ons that contribute sysdeps trees get added to the include list | |
106 | # after sysdeps/generic. This makes #include <sysdeps/...> work right | |
107 | # to find specific add-on files without assuming the add-on directory name. | |
108 | # It also means that headers can go into an add-on's base directory | |
109 | # instead of the add-on needing a sysdeps/generic of its own. | |
04dca8d3 RM |
110 | sysdeps-srcdirs := $(foreach add-on,$(sysdeps-add-ons),\ |
111 | $(firstword $(filter /%,$(add-on)) \ | |
112 | $(..)$(add-on))) | |
113 | +sysdep_dirs = $(sysdirs) $(sysdeps-srcdirs) | |
e0a3ed4f RM |
114 | ifdef objdir |
115 | +sysdep_dirs := $(objdir) $(+sysdep_dirs) | |
116 | endif | |
57ba7bb4 | 117 | |
273d56ce RM |
118 | # Run config.status to update config.make and config.h. We don't show the |
119 | # dependence of config.h to Make, because it is only touched when it | |
120 | # changes and so config.status would be run every time; the dependence of | |
121 | # config.make should suffice to force regeneration and re-exec, and the new | |
122 | # image will notice if config.h changed. | |
19361cb7 UD |
123 | $(common-objpfx)config.make: $(common-objpfx)config.status \ |
124 | $(..)config.make.in $(..)config.h.in | |
273d56ce RM |
125 | cd $(<D); $(SHELL) $(<F) |
126 | ||
8f73811b RM |
127 | # Find all the add-on and sysdeps configure fragments, to make sure we |
128 | # re-run configure when any of them changes. | |
5290baf0 | 129 | $(common-objpfx)config.status: $(..)version.h $(..)configure \ |
e0a3ed4f RM |
130 | $(foreach dir,$(sysdirs),\ |
131 | $(wildcard $(dir)/Implies) \ | |
f332db02 RM |
132 | $(patsubst %.in,%,\ |
133 | $(firstword $(wildcard \ | |
8f73811b RM |
134 | $(addprefix $(dir)/,configure configure.in))))) \ |
135 | $(patsubst %.in,%,\ | |
e0a3ed4f | 136 | $(foreach add-on,$(add-ons),\ |
8f73811b | 137 | $(firstword $(wildcard \ |
e0a3ed4f RM |
138 | $(addprefix $(firstword $(filter /%,$(add-on)) $(..)$(add-on))/,\ |
139 | configure configure.in))))) | |
273d56ce RM |
140 | @cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \ |
141 | echo The GNU C library has not been configured. >&2; \ | |
142 | echo Run \`configure\' to configure it before building. >&2; \ | |
143 | echo Try \`configure --help\' for more details. >&2; \ | |
144 | exit 1; fi | |
28f540f4 | 145 | |
74015205 UD |
146 | # We don't want CPPFLAGS to be exported to the command running configure. |
147 | unexport CPPFLAGS | |
148 | ||
28f540f4 RM |
149 | # Get the user's configuration parameters. |
150 | ifneq ($(wildcard $(..)configparms),) | |
151 | include $(..)configparms | |
152 | endif | |
153 | ifneq ($(objpfx),) | |
6e953631 UD |
154 | ifneq ($(wildcard $(common-objpfx)configparms),) |
155 | include $(common-objpfx)configparms | |
28f540f4 RM |
156 | endif |
157 | endif | |
28f540f4 RM |
158 | \f |
159 | #### | |
160 | #### These are the configuration variables. You can define values for | |
161 | #### the variables below in the file `configparms'. | |
162 | #### Do NOT edit this file. | |
163 | #### | |
164 | ||
165 | ||
166 | # Common prefix for machine-independent installation directories. | |
487253ea | 167 | ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value. |
28f540f4 RM |
168 | prefix = /usr/local |
169 | endif | |
170 | ||
0413b54c UD |
171 | # Decide whether we shall build the programs or not. We always do this |
172 | # unless the user tells us (in configparms) or we are building for a | |
173 | # standalone target. | |
174 | ifndef build-programs | |
175 | ifneq ($(config-os),none) | |
176 | build-programs=yes | |
177 | else | |
178 | build-programs=no | |
179 | endif | |
180 | endif | |
181 | ||
28f540f4 | 182 | # Common prefix for machine-dependent installation directories. |
487253ea | 183 | ifeq ($(origin exec_prefix),undefined) |
28f540f4 RM |
184 | exec_prefix = $(prefix) |
185 | endif | |
186 | ||
187 | # Where to install the library and object files. | |
188 | ifndef libdir | |
189 | libdir = $(exec_prefix)/lib | |
190 | endif | |
8d57beea | 191 | inst_libdir = $(install_root)$(libdir) |
28f540f4 | 192 | |
094bacdb RM |
193 | # Where to install the shared library and dynamic linker. |
194 | ifndef slibdir | |
195 | slibdir = $(exec_prefix)/lib | |
196 | endif | |
8d57beea | 197 | inst_slibdir = $(install_root)$(slibdir) |
094bacdb | 198 | |
28f540f4 RM |
199 | # Prefix to put on files installed in $(libdir). For libraries `libNAME.a', |
200 | # the prefix is spliced between `lib' and the name, so the linker switch | |
201 | # `-l$(libprefix)NAME' finds the library; for other files the prefix is | |
202 | # just prepended to the whole file name. | |
487253ea | 203 | ifeq ($(origin libprefix),undefined) |
28f540f4 RM |
204 | libprefix = |
205 | endif | |
206 | ||
207 | # Where to install the header files. | |
208 | ifndef includedir | |
25c751d0 | 209 | includedir = $(prefix)/include |
28f540f4 | 210 | endif |
8d57beea | 211 | inst_includedir = $(install_root)$(includedir) |
28f540f4 | 212 | |
28f540f4 | 213 | # Where to install machine-independent data files. |
a2fe9c76 | 214 | # These are the timezone database, and the locale database. |
28f540f4 RM |
215 | ifndef datadir |
216 | datadir = $(prefix)/share | |
217 | endif | |
8d57beea | 218 | inst_datadir = $(install_root)$(datadir) |
28f540f4 RM |
219 | |
220 | # Where to install the timezone data files (which are machine-independent). | |
221 | ifndef zonedir | |
222 | zonedir = $(datadir)/zoneinfo | |
223 | endif | |
8d57beea | 224 | inst_zonedir = $(install_root)$(zonedir) |
28f540f4 | 225 | |
4a33c2f5 | 226 | # Where to install the locale files. |
a2fe9c76 | 227 | ifndef localedir |
4a33c2f5 | 228 | localedir = $(libdir)/locale |
a2fe9c76 | 229 | endif |
8d57beea | 230 | inst_localedir = $(install_root)$(localedir) |
a2fe9c76 | 231 | |
4a33c2f5 UD |
232 | # Where to install the message catalog data files (which are |
233 | # machine-independent). | |
234 | ifndef msgcatdir | |
235 | msgcatdir = $(datadir)/locale | |
236 | endif | |
237 | inst_msgcatdir = $(install_root)$(msgcatdir) | |
238 | ||
3ec41e03 | 239 | # Where to install the locale charmap source files. |
19bc17a9 RM |
240 | ifndef i18ndir |
241 | i18ndir = $(datadir)/i18n | |
a2fe9c76 | 242 | endif |
8d57beea | 243 | inst_i18ndir = $(install_root)$(i18ndir) |
a2fe9c76 | 244 | |
6973fc01 UD |
245 | # Where to install the shared object for charset transformation. |
246 | ifndef gconvdir | |
247 | gconvdir = $(libdir)/gconv | |
248 | endif | |
249 | inst_gconvdir = $(install_root)$(gconvdir) | |
250 | ||
28f540f4 RM |
251 | # Where to install programs. |
252 | ifndef bindir | |
253 | bindir = $(exec_prefix)/bin | |
254 | endif | |
8d57beea | 255 | inst_bindir = $(install_root)$(bindir) |
28f540f4 | 256 | |
7f0ff1b0 UD |
257 | # Where to install internal programs. |
258 | ifndef libexecdir | |
259 | libexecdir = $(exec_prefix)/libexec | |
260 | endif | |
261 | inst_libexecdir = $(install_root)$(libexecdir) | |
262 | ||
28f540f4 | 263 | # Where to install administrative programs. |
1ef32c3d UD |
264 | ifndef rootsbindir |
265 | rootsbindir = $(exec_prefix)/sbin | |
266 | endif | |
8d57beea | 267 | inst_rootsbindir = $(install_root)$(rootsbindir) |
1ef32c3d | 268 | |
28f540f4 RM |
269 | ifndef sbindir |
270 | sbindir = $(exec_prefix)/sbin | |
271 | endif | |
8d57beea | 272 | inst_sbindir = $(install_root)$(sbindir) |
28f540f4 RM |
273 | |
274 | # Where to install the Info files. | |
275 | ifndef infodir | |
276 | infodir = $(prefix)/info | |
277 | endif | |
8d57beea | 278 | inst_infodir = $(install_root)$(infodir) |
28f540f4 RM |
279 | |
280 | # Where to install default configuration files. These include the local | |
281 | # timezone specification and network data base files. | |
282 | ifndef sysconfdir | |
283 | sysconfdir = $(prefix)/etc | |
284 | endif | |
8d57beea | 285 | inst_sysconfdir = $(install_root)$(sysconfdir) |
28f540f4 RM |
286 | |
287 | # What timezone should be the installed default (e.g., US/Eastern). | |
288 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
289 | # The local timezone can be changed with `zic -l TIMEZONE' at any time. | |
290 | ifndef localtime | |
291 | localtime = Factory | |
292 | endif | |
293 | ||
294 | # Where to install the "localtime" timezone file; this is the file whose | |
295 | # contents $(localtime) specifies. If this is a relative pathname, it is | |
296 | # relative to $(zonedir). It is a good idea to put this somewhere | |
297 | # other than there, so the zoneinfo directory contains only universal data, | |
298 | # localizing the configuration data elsewhere. | |
299 | ifndef localtime-file | |
0d8733c4 UD |
300 | localtime-file = $(sysconfdir)/localtime |
301 | inst_localtime-file = $(install_root)$(localtime-file) | |
28f540f4 RM |
302 | endif |
303 | ||
59dd8641 RM |
304 | # What to use for leap second specifications in compiling the default |
305 | # timezone files. Set this to `/dev/null' for no leap second handling as | |
306 | # 1003.1 requires, or to `leapseconds' for proper leap second handling. | |
307 | # Both zone flavors are always available as `posix/ZONE' and `right/ZONE'. | |
308 | # This variable determines the default: if it's `/dev/null', | |
309 | # ZONE==posix/ZONE; if it's `leapseconds', ZONE==right/ZONE. | |
310 | ifndef leapseconds | |
311 | leapseconds = /dev/null | |
312 | endif | |
313 | ||
28f540f4 RM |
314 | # What timezone's DST rules should be used when a POSIX-style TZ |
315 | # environment variable doesn't specify any rules. For 1003.1 compliance | |
316 | # this timezone must use rules that are as U.S. federal law defines DST. | |
317 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
318 | # This setting can be changed with `zic -p TIMEZONE' at any time. | |
319 | # If you want POSIX.1 compatibility, use `America/New_York'. | |
320 | ifndef posixrules | |
321 | posixrules = America/New_York | |
322 | endif | |
323 | ||
324 | # Where to install the "posixrules" timezone file; this is file | |
325 | # whose contents $(posixrules) specifies. If this is a relative | |
326 | # pathname, it is relative to $(zonedir). | |
327 | ifndef posixrules-file | |
328 | posixrules-file = posixrules | |
329 | endif | |
330 | ||
331 | ||
332 | # Directory where your system's native header files live. | |
333 | # This is used on Unix systems to generate some GNU libc header files. | |
334 | ifndef sysincludedir | |
335 | sysincludedir = /usr/include | |
336 | endif | |
337 | ||
338 | ||
339 | # Commands to install files. | |
340 | ifndef INSTALL_DATA | |
341 | INSTALL_DATA = $(INSTALL) -m 644 | |
342 | endif | |
07627f49 UD |
343 | ifndef INSTALL_SCRIPT |
344 | INSTALL_SCRIPT = $(INSTALL) | |
345 | endif | |
28f540f4 RM |
346 | ifndef INSTALL_PROGRAM |
347 | INSTALL_PROGRAM = $(INSTALL) | |
348 | endif | |
349 | ifndef INSTALL | |
350 | INSTALL = install | |
351 | endif | |
352 | ||
353 | ||
354 | # The name of the C compiler. | |
355 | # If you've got GCC, and it works, use it. | |
356 | ifeq ($(origin CC),default) | |
357 | CC := gcc | |
358 | endif | |
359 | ||
360 | # The name of the C compiler to use for compilations of programs to run on | |
361 | # the host that is building the library. If you set CC to a | |
362 | # cross-compiler, you must set this to the normal compiler. | |
363 | ifndef BUILD_CC | |
364 | BUILD_CC = $(CC) | |
365 | endif | |
366 | ||
367 | # Default flags to pass the C compiler. | |
368 | ifndef default_cflags | |
1d5c2feb UD |
369 | ifeq ($(release),stable) |
370 | default_cflags := -g -O2 | |
371 | else | |
a8922de8 | 372 | default_cflags := -g -O |
28f540f4 | 373 | endif |
1d5c2feb | 374 | endif |
28f540f4 RM |
375 | |
376 | # Flags to pass the C compiler when assembling preprocessed assembly code | |
377 | # (`.S' files). On some systems the assembler doesn't understand the `#' line | |
378 | # directives the preprocessor produces. If you have troubling compiling | |
379 | # assembly code, try using -P here to suppress these directives. | |
380 | ifndef asm-CPPFLAGS | |
381 | asm-CPPFLAGS = | |
382 | endif | |
383 | ||
9a0a462c UD |
384 | # ELF always supports init/fini sections |
385 | ifeq ($(elf),yes) | |
386 | have-initfini = yes | |
387 | endif | |
388 | ||
779ae82e | 389 | # Installed name of the startup code. |
9a0a462c UD |
390 | ifneq ($(have-initfini),yes) |
391 | # When not having init/fini, there is just one startfile, called crt0.o. | |
779ae82e UD |
392 | start-installed-name = crt0.o |
393 | else | |
9a0a462c | 394 | # On systems having init/fini, crt0.o is called crt1.o, and there are |
779ae82e UD |
395 | # some additional bizarre files. |
396 | start-installed-name = crt1.o | |
779ae82e | 397 | endif |
af09bfb5 RM |
398 | # On systems that do not need a special startfile for statically linked |
399 | # binaries, simply set it to the normal name. | |
400 | ifndef static-start-installed-name | |
401 | static-start-installed-name = $(start-installed-name) | |
402 | endif | |
779ae82e | 403 | |
f13df7c7 UD |
404 | ifeq (yesyesyes,$(build-shared)$(elf)$(have-z-combreloc)) |
405 | combreloc-LDFLAGS = -Wl,-z,combreloc | |
406 | LDFLAGS.so += $(combreloc-LDFLAGS) | |
407 | LDFLAGS-rtld += $(combreloc-LDFLAGS) | |
408 | endif | |
409 | ||
1c563add UD |
410 | ifeq (yes,$(have-z-relro)) |
411 | relro-LDFLAGS = -Wl,-z,relro | |
412 | LDFLAGS.so += $(relro-LDFLAGS) | |
413 | LDFLAGS-rtld += $(relro-LDFLAGS) | |
414 | endif | |
415 | ||
28f540f4 RM |
416 | # Command for linking programs with the C library. |
417 | ifndef +link | |
8e3cc80f | 418 | +link = $(CC) -nostdlib -nostartfiles -o $@ \ |
482eec0d | 419 | $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \ |
a334319f | 420 | $(combreloc-LDFLAGS) $(relro-LDFLAGS) \ |
779ae82e UD |
421 | $(addprefix $(csu-objpfx),$(start-installed-name)) \ |
422 | $(+preinit) $(+prector) \ | |
423 | $(filter-out $(addprefix $(csu-objpfx),start.o \ | |
424 | $(start-installed-name))\ | |
425 | $(+preinit) $(link-extra-libs) \ | |
426 | $(common-objpfx)libc% $(+postinit),$^) \ | |
5ae9d168 | 427 | $(link-extra-libs) $(link-libc) $(+postctor) $(+postinit) |
28f540f4 | 428 | endif |
e1586792 UD |
429 | # Command for statically linking programs with the C library. |
430 | ifndef +link-static | |
431 | +link-static = $(CC) -nostdlib -nostartfiles -static -o $@ \ | |
9f0d7b6d | 432 | $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \ |
af09bfb5 | 433 | $(addprefix $(csu-objpfx),$(static-start-installed-name)) \ |
e1586792 UD |
434 | $(+preinit) $(+prector) \ |
435 | $(filter-out $(addprefix $(csu-objpfx),start.o \ | |
436 | $(start-installed-name))\ | |
437 | $(+preinit) $(link-extra-libs-static) \ | |
438 | $(common-objpfx)libc% $(+postinit),$^) \ | |
439 | $(link-extra-libs-static) $(link-libc-static) $(+postctor) $(+postinit) | |
440 | endif | |
ac556388 GM |
441 | # Command for statically linking bounded-pointer programs with the C library. |
442 | ifndef +link-bounded | |
443 | +link-bounded = $(CC) -nostdlib -nostartfiles -static -fbounded-pointers -o $@ \ | |
444 | $(sysdep-LDFLAGS) $(LDFLAGS) \ | |
445 | $(addprefix $(csu-objpfx),b$(static-start-installed-name)) \ | |
446 | $(+preinit) $(+prector) \ | |
4362aba5 | 447 | $(filter-out $(addprefix $(csu-objpfx),start.ob \ |
ac556388 GM |
448 | $(start-installed-name))\ |
449 | $(+preinit) $(link-extra-libs-bounded) \ | |
450 | $(common-objpfx)libc% $(+postinit),$^) \ | |
451 | $(link-extra-libs-bounded) $(link-libc-bounded) $(+postctor) $(+postinit) | |
452 | endif | |
b122c703 | 453 | ifndef config-LDFLAGS |
994431ed | 454 | ifeq (yesyes,$(build-shared)$(elf)) |
094bacdb | 455 | config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name) |
b122c703 RM |
456 | endif |
457 | endif | |
3fe9de0d RM |
458 | ifndef link-libc |
459 | ifeq (yes,$(build-shared)) | |
ad10cac8 | 460 | ifeq ($(elf),yes) |
aa1075ea RM |
461 | # We need the versioned name of libc.so in the deps of $(others) et al |
462 | # so that the symlink to libc.so is created before anything tries to | |
463 | # run the linked programs. | |
4d6acc61 | 464 | link-libc = -Wl,-rpath-link=$(rpath-link) \ |
aa1075ea | 465 | $(common-objpfx)libc.so$(libc.so-version) \ |
a44d2393 | 466 | $(common-objpfx)$(patsubst %,$(libtype.oS),c) $(gnulib) |
4d6acc61 | 467 | # This is how to find at build-time things that will be installed there. |
b11f5954 | 468 | rpath-dirs = math elf dlfcn nss nis rt resolv crypt |
ad10cac8 | 469 | endif |
e72bfd87 UD |
470 | rpath-link = \ |
471 | $(common-objdir):$(subst $(empty) ,:,$(patsubst ../$(subdir),.,$(rpath-dirs:%=$(common-objpfx)%))) | |
47707456 | 472 | elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf) |
3fe9de0d | 473 | else |
ce85d65b UD |
474 | nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss) |
475 | resolvobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)resolv) | |
4ac5087b | 476 | link-libc = $(common-objpfx)libc.a $(otherlibs) $(gnulib) $(common-objpfx)libc.a $(gnulib) |
3fe9de0d RM |
477 | endif |
478 | endif | |
900bec85 | 479 | |
ad10cac8 UD |
480 | # Differences in the linkers on the various platforms. |
481 | ifeq ($(elf),yes) | |
482 | LDFLAGS-rpath-ORIGIN = -Wl,-rpath,'$$ORIGIN' | |
483 | LDFLAGS-soname-fname = -Wl,-soname,$(@F) | |
484 | LDFLAGS-rdynamic = -rdynamic | |
485 | LDFLAGS-Bsymbolic = -Bsymbolic | |
ad10cac8 UD |
486 | endif |
487 | ||
f01010de UD |
488 | # Choose the default search path for the dynamic linker based on |
489 | # where we will install libraries. | |
490 | ifneq ($(libdir),$(slibdir)) | |
491 | default-rpath = $(slibdir):$(libdir) | |
492 | else | |
493 | default-rpath = $(libdir) | |
494 | endif | |
495 | ||
57ba7bb4 | 496 | ifndef link-extra-libs |
1d038b6b RM |
497 | link-extra-libs = $(LDLIBS-$(@F)) |
498 | link-extra-libs-static = $(link-extra-libs) | |
499 | link-extra-libs-bounded = $(link-extra-libs) | |
57ba7bb4 | 500 | endif |
e1586792 UD |
501 | |
502 | # The static libraries. | |
66000494 | 503 | ifeq (yes,$(build-static)) |
feca5e0b | 504 | link-libc-static = $(common-objpfx)libc.a $(static-gnulib) $(common-objpfx)libc.a |
66000494 UD |
505 | else |
506 | ifeq (yes,$(build-shared)) | |
507 | # We can try to link the programs with lib*_pic.a... | |
feca5e0b | 508 | link-libc-static = $(static-gnulib) $(common-objpfx)libc_pic.a |
66000494 UD |
509 | endif |
510 | endif | |
ac556388 | 511 | link-libc-bounded = $(common-objpfx)libc_b.a $(gnulib) $(common-objpfx)libc_b.a |
e1586792 | 512 | |
28f540f4 | 513 | ifndef gnulib |
cbdb12de UD |
514 | ifneq ($(have-cc-with-libunwind),yes) |
515 | libunwind = | |
feca5e0b | 516 | else |
cbdb12de | 517 | libunwind = -lunwind |
feca5e0b | 518 | endif |
cbdb12de UD |
519 | ifneq ($(have-as-needed),yes) |
520 | libgcc_eh := -lgcc_eh $(libunwind) | |
26b30508 | 521 | else |
cbdb12de | 522 | libgcc_eh := -Wl,--as-needed -lgcc_s$(libgcc_s_suffix) $(libunwind) -Wl,--no-as-needed |
26b30508 | 523 | endif |
cbdb12de UD |
524 | gnulib := -lgcc $(libgcc_eh) |
525 | static-gnulib := -lgcc -lgcc_eh $(libunwind) | |
526 | libc.so-gnulib := -lgcc | |
28f540f4 | 527 | endif |
96f873b9 | 528 | ifeq ($(elf),yes) |
e75154a6 RM |
529 | +preinit = $(addprefix $(csu-objpfx),crti.o) |
530 | +postinit = $(addprefix $(csu-objpfx),crtn.o) | |
5ae9d168 UD |
531 | +prector = `$(CC) --print-file-name=crtbegin.o` |
532 | +postctor = `$(CC) --print-file-name=crtend.o` | |
66715f83 | 533 | +interp = $(addprefix $(elf-objpfx),interp.os) |
96f873b9 | 534 | endif |
6e953631 UD |
535 | csu-objpfx = $(common-objpfx)csu/ |
536 | elf-objpfx = $(common-objpfx)elf/ | |
28f540f4 | 537 | |
03a75825 RM |
538 | # How to run a program we just linked with our library. |
539 | # The program binary is assumed to be $(word 2,$^). | |
540 | built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^)) | |
ad10cac8 | 541 | ifeq (yesyes,$(build-shared)$(elf)) |
196980f5 | 542 | comma = , |
11336c16 UD |
543 | sysdep-library-path = \ |
544 | $(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\ | |
545 | $(filter -Wl$(comma)-rpath-link=%,\ | |
546 | $(sysdep-LDFLAGS))))) | |
27abf7a3 | 547 | run-program-prefix = $(if $(filter $(notdir $(built-program-file)),\ |
ccd8de9a | 548 | $(tests-static) $(xtests-static)),, \ |
85857f93 UD |
549 | $(elf-objpfx)$(rtld-installed-name) \ |
550 | --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path))) | |
8658ceda UD |
551 | else |
552 | run-program-prefix = | |
553 | endif | |
ac556388 GM |
554 | # Never use $(run-program-prefix) for the statically-linked %-bp test programs |
555 | built-program-cmd = $(patsubst %,$(run-program-prefix),\ | |
556 | $(filter-out %-bp,$(built-program-file))) \ | |
557 | $(built-program-file) | |
03a75825 | 558 | |
28f540f4 RM |
559 | ifndef LD |
560 | LD := ld -X | |
561 | endif | |
562 | ||
563 | ifndef RANLIB | |
564 | RANLIB = ranlib | |
565 | endif | |
566 | ||
567 | # Extra flags to pass to GCC. | |
6cc7d725 | 568 | ifeq ($(all-warnings),yes) |
7735afa2 | 569 | +gccwarn := -Wall -Wwrite-strings -Winline -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar |
6cc7d725 | 570 | else |
7735afa2 | 571 | +gccwarn := -Wall -Wwrite-strings -Winline |
6cc7d725 | 572 | endif |
7735afa2 | 573 | +gccwarn-c = -Wstrict-prototypes |
28f540f4 | 574 | |
dec36b4f UD |
575 | # We do not depend on the address of constants in different files to be |
576 | # actually different, so allow the compiler to merge them all. | |
577 | +merge-constants = -fmerge-all-constants | |
578 | ||
30077d51 RM |
579 | # This is the program that generates makefile dependencies from C source files. |
580 | # The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy | |
581 | # targets for headers so that removed headers don't break the build. | |
28f540f4 | 582 | ifndef +mkdep |
30077d51 | 583 | +mkdep = $(CC) -M -MP |
28f540f4 RM |
584 | endif |
585 | ||
586 | # The program that makes Emacs-style TAGS files. | |
78759725 | 587 | ETAGS := etags |
28f540f4 | 588 | |
9de06f3c RM |
589 | # The `xgettext' program for producing .pot files from sources. |
590 | ifndef XGETTEXT | |
591 | XGETTEXT = xgettext | |
592 | endif | |
593 | ||
28f540f4 RM |
594 | # The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and |
595 | # perhaps others) to preprocess assembly code in some cases. | |
596 | M4 = m4 | |
597 | ||
73237de3 UD |
598 | # To force installation of files even if they are older than the |
599 | # installed files. This variable is included in the dependency list | |
600 | # of all installation targets. | |
601 | ifeq ($(force-install),yes) | |
602 | +force = force-install | |
603 | else | |
604 | +force = | |
605 | endif | |
606 | ||
28f540f4 RM |
607 | #### |
608 | #### End of configuration variables. | |
609 | #### | |
610 | \f | |
611 | # This tells some versions of GNU make before 3.63 not to export all variables. | |
612 | .NOEXPORT: | |
613 | ||
614 | # We want to echo the commands we're running without | |
6d52618b | 615 | # umpteen zillion filenames along with it (we use `...' instead) |
28f540f4 RM |
616 | # but we don't want this echoing done when the user has said |
617 | # he doesn't want to see commands echoed by using -s. | |
618 | ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s | |
619 | +cmdecho := echo >/dev/null | |
620 | else # not -s | |
621 | +cmdecho := echo | |
622 | endif # -s | |
623 | ||
624 | # These are the flags given to the compiler to tell | |
625 | # it what sort of optimization and/or debugging output to do. | |
626 | ifndef +cflags | |
627 | # If `CFLAGS' was defined, use that. | |
628 | ifdef CFLAGS | |
629 | +cflags := $(filter-out -I%,$(CFLAGS)) | |
630 | endif # CFLAGS | |
631 | endif # +cflags | |
632 | ||
fd26970f | 633 | # If none of the above worked, default to "-g -O". |
28f540f4 RM |
634 | ifeq "$(strip $(+cflags))" "" |
635 | +cflags := $(default_cflags) | |
636 | endif # $(+cflags) == "" | |
637 | ||
dec36b4f | 638 | +cflags += $(addprefix -mcpu=,$(with-cpu)) $(+gccwarn) $(+merge-constants) |
28f540f4 | 639 | +gcc-nowarn := -w |
28f540f4 RM |
640 | |
641 | # Don't duplicate options if we inherited variables from the parent. | |
642 | +cflags := $(sort $(+cflags)) | |
643 | ||
644 | ||
b6ab06ce UD |
645 | # These are flags given to the C compiler to tell it to look for |
646 | # include files (including ones given in angle brackets) in the parent | |
647 | # library source directory, in the include directory, and in the | |
648 | # current directory. | |
e0a3ed4f RM |
649 | +sysdep-includes = $(addprefix -I,$(+sysdep_dirs)) |
650 | +includes = -I$(..)include $(if $(subdir),$(objpfx:%/=-I%)) \ | |
3192fd8e | 651 | $(+sysdep-includes) $(includes) \ |
e0a3ed4f | 652 | $(patsubst %/,-I%,$(..)) $(libio-include) -I. $(sysincludes) |
28f540f4 | 653 | |
96aa2d94 | 654 | # Since libio has several internal header files, we use a -I instead |
762a2918 | 655 | # of many little headers in the include directory. |
96aa2d94 | 656 | libio-include = -I$(..)libio |
28f540f4 RM |
657 | |
658 | # These are the variables that the implicit compilation rules use. | |
ce460d04 RM |
659 | # Note that we can't use -std=* in CPPFLAGS, because it overrides |
660 | # the implicit -lang-asm and breaks cpp behavior for .S files--notably | |
661 | # it causes cpp to stop predefining __ASSEMBLER__. | |
3387a425 | 662 | CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \ |
ae8b36f7 | 663 | -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \ |
0a951d0e | 664 | $(CPPFLAGS-$(suffix $@)) \ |
d29724f8 RM |
665 | $(foreach lib,$(libof-$(basename $(@F))) \ |
666 | $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \ | |
0a951d0e | 667 | $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F))) |
ce460d04 | 668 | override CFLAGS = -std=gnu99 \ |
7735afa2 UD |
669 | $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \ |
670 | $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) \ | |
671 | $(CFLAGS-$(@F)) | |
ef226fec RM |
672 | override CXXFLAGS = $(c++-sysincludes) \ |
673 | $(filter-out %frame-pointer,$(+cflags)) $(sysdep-CFLAGS) \ | |
7735afa2 | 674 | $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) $(CFLAGS-$(@F)) |
28f540f4 | 675 | |
cc3fa755 UD |
676 | # If everything is compiled with -fPIC (implicitly) we must tell this by |
677 | # defining the PIC symbol. | |
678 | ifeq (yes,$(build-pic-default)) | |
679 | pic-default = -DPIC | |
680 | endif | |
681 | ||
f0bf9cb9 RM |
682 | # Enable object files for different versions of the library. |
683 | # Various things use $(object-suffixes) to know what all to make. | |
684 | # The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX}) | |
685 | # to pass different flags for each flavor. | |
91641c65 | 686 | libtypes = $(foreach o,$(object-suffixes-for-libc),$(libtype$o)) |
a35cb74d | 687 | all-object-suffixes := .o .os .op .og .ob .oS |
650425ce | 688 | object-suffixes := |
cc3fa755 | 689 | CPPFLAGS-.o = $(pic-default) |
14e9dd67 | 690 | CFLAGS-.o = $(filter %frame-pointer,$(+cflags)) |
66000494 | 691 | ifeq (yes,$(build-static)) |
f0bf9cb9 | 692 | libtype.o := lib%.a |
650425ce UD |
693 | object-suffixes += .o |
694 | endif | |
f0bf9cb9 RM |
695 | ifeq (yes,$(build-shared)) |
696 | # Under --enable-shared, we will build a shared library of PIC objects. | |
40a55d20 UD |
697 | # The PIC object files are named foo.os. |
698 | object-suffixes += .os | |
b5567b2a | 699 | CPPFLAGS-.os = -DPIC -DSHARED |
14e9dd67 | 700 | CFLAGS-.os = $(filter %frame-pointer,$(+cflags)) $(pic-ccflag) |
40a55d20 | 701 | libtype.os := lib%_pic.a |
26b4d766 UD |
702 | # This can be changed by a sysdep makefile |
703 | pic-ccflag = -fPIC | |
231e88a4 UD |
704 | # This one should always stay like this unless there is a very good reason. |
705 | PIC-ccflag = -fPIC | |
f0bf9cb9 RM |
706 | endif |
707 | ifeq (yes,$(build-profile)) | |
708 | # Under --enable-profile, we will build a static library of profiled objects. | |
40a55d20 UD |
709 | # The profiled object files are named foo.op. |
710 | object-suffixes += .op | |
cc3fa755 | 711 | CPPFLAGS-.op = -DPROF $(pic-default) |
40a55d20 UD |
712 | CFLAGS-.op = -pg |
713 | libtype.op = lib%_p.a | |
f0bf9cb9 RM |
714 | endif |
715 | ifeq (yes,$(build-omitfp)) | |
ab95290c | 716 | # Under --enable-omitfp, we build the library optimized without |
f0bf9cb9 | 717 | # debugging information using -fomit-frame-pointer, and build an extra |
40a55d20 UD |
718 | # library with debugging information. The debuggable objects are named foo.og. |
719 | object-suffixes += .og | |
cc3fa755 | 720 | CPPFLAGS-.og = $(pic-default) |
40a55d20 | 721 | CFLAGS-.og = -g |
14e9dd67 UD |
722 | CFLAGS-.o = $(filter %frame-pointer,$(+cflags)) -g0 -O99 -fomit-frame-pointer -D__USE_STRING_INLINES |
723 | CFLAGS-.os += -g0 -O99 -fomit-frame-pointer -D__USE_STRING_INLINES | |
40a55d20 | 724 | libtype.og = lib%_g.a |
f0bf9cb9 | 725 | endif |
ab95290c UD |
726 | |
727 | bppfx = BP- | |
5a97622d UD |
728 | ifeq (yes,$(build-bounded)) |
729 | # Under --enable-bounded, we build the library with `-fbounded-pointers -g' | |
40a55d20 | 730 | # to runtime bounds checking. The bounded-pointer objects are named foo.ob. |
58ff985d GM |
731 | # We disable sibling-call optimizations so that stack traces will be complete |
732 | # and thus aid debugging, since after all, BPs are a debugging tool. | |
40a55d20 | 733 | object-suffixes += .ob |
ab95290c | 734 | CPPFLAGS-.ob = -fbounded-pointers $(pic-default) |
e64911d1 | 735 | CFLAGS-.ob = -g -O2 -fno-optimize-sibling-calls -fno-strict-aliasing |
40a55d20 | 736 | libtype.ob = lib%_b.a |
5a97622d | 737 | endif |
f0bf9cb9 | 738 | |
9afc8a59 UD |
739 | object-suffixes-for-libc := $(object-suffixes) |
740 | ||
741 | ifeq (yes,$(build-shared)) | |
742 | # Build special library that contains the static-only routines for libc. | |
743 | object-suffixes-for-libc += .oS | |
744 | ||
745 | # Must build the routines as PIC, though, because they can end up in (users') | |
746 | # shared objects. We don't want to use CFLAGS-os because users may, for | |
747 | # example, make that processor-specific. | |
231e88a4 | 748 | CFLAGS-.oS = $(CFLAGS-.o) $(PIC-ccflag) |
06b31ad3 | 749 | CPPFLAGS-.oS = $(CPPFLAGS-.o) -DPIC -DLIBC_NONSHARED=1 |
9afc8a59 UD |
750 | libtype.oS = lib%_nonshared.a |
751 | endif | |
752 | ||
073e82bf RM |
753 | # The assembler can generate debug information too. |
754 | ifndef ASFLAGS | |
755 | ifeq ($(have-cpp-asm-debuginfo),yes) | |
756 | ASFLAGS := $(filter -g%,$(CFLAGS)) | |
35915ec8 UD |
757 | else |
758 | ASFLAGS := | |
073e82bf RM |
759 | endif |
760 | endif | |
35915ec8 | 761 | ASFLAGS += $(ASFLAGS-config) |
9afc8a59 | 762 | |
96bda0ea RM |
763 | ifndef BUILD_CC |
764 | BUILD_CC = $(CC) | |
765 | endif | |
e72bfd87 UD |
766 | |
767 | move-if-change = $(SHELL) $(..)scripts/move-if-change | |
a641835a | 768 | \f |
281e6031 UD |
769 | -include $(common-objpfx)sysd-sorted |
770 | subdirs = $(sorted-subdirs) | |
e0a3ed4f RM |
771 | subdir-srcdirs = $(foreach dir,$(subdirs),\ |
772 | $(firstword $($(dir)-srcdir) $(..)$(dir))) | |
9a0a462c | 773 | |
4de1d597 RM |
774 | ifeq (yes, $(build-shared)) |
775 | ||
f3787738 RM |
776 | # This is a pair of implicit rules to preprocess a file with # comments, |
777 | # %ifdef et al, based on config.h settings or other %include'd files. | |
778 | # We use chained rules instead of a pipeline here so that we can properly | |
779 | # check the exit status of cpp rather than using its bad output when there | |
780 | # is a preprocessing error. Another rule should depend on the output file | |
781 | # `FOO.v', and along with that `FOO.v.i' should be given dependencies | |
782 | # listing both its input files, and any header files that it may reference | |
783 | # (but no commands). | |
784 | %.v.i: $(common-objpfx)config.h | |
785 | sed '/^[ ]*#/d;s/^[ ]*%/#/' $(filter-out FORCE %.h,$^) \ | |
02838201 | 786 | | $(CC) -E -undef $(CPPFLAGS) -x assembler-with-cpp - \ |
f3787738 RM |
787 | > $@T |
788 | mv -f $@T $@ | |
789 | %.v: %.v.i | |
790 | sed '/^[ ]*#/d;/^[ ]*$$/d' $< > $@T | |
791 | mv -f $@T $@ | |
480d827b | 792 | |
4de1d597 RM |
793 | # Process the shlib-versions file, which tells us what shared library |
794 | # version numbers to use when we install shared objects on this system. | |
281e6031 UD |
795 | # We need to wait until $(subdirs) is complete. |
796 | ifeq ($(sysd-sorted-done),t) | |
4de1d597 | 797 | -include $(common-objpfx)soversions.mk |
eca3eb3b | 798 | ifndef avoid-generated |
9632aaee RM |
799 | # This lets add-ons give more-specific matches that override defaults |
800 | # in the top-level file. | |
f3787738 | 801 | $(common-objpfx)shlib-versions.v.i: \ |
e0a3ed4f RM |
802 | $(wildcard $(+sysdep_dirs:=/shlib-versions) \ |
803 | $(subdir-srcdirs:=/shlib-versions)) \ | |
9632aaee | 804 | $(..)shlib-versions |
6d864d15 RM |
805 | |
806 | soversions-default-setname = $(patsubst %, %,\ | |
807 | $(filter-out %_default,\ | |
808 | $(oldest-abi:%=GLIBC_%))) | |
809 | $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \ | |
810 | $(common-objpfx)shlib-versions.v | |
811 | $(AWK) -v default_setname='$(soversions-default-setname)' \ | |
91adb529 RM |
812 | -v cpu='$(config-machine)' \ |
813 | -v vendor='$(config-vendor)' \ | |
814 | -v os='$(config-os)' \ | |
6d864d15 | 815 | -f $^ > $@T |
ba7e89ec | 816 | mv -f $@T $@ |
3e1e123d RM |
817 | $(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig |
818 | (seen_DEFAULT=0; seen_WORDSIZE32=0; seen_WORDSIZE64=0; \ | |
819 | while read which lib number setname; do \ | |
820 | eval seen_$$which=1; \ | |
91adb529 | 821 | test x"$$which" = xDEFAULT || continue; \ |
1bc777b8 UD |
822 | case $$number in \ |
823 | [0-9]*) echo "$$lib.so-version=.$$number"; \ | |
824 | echo "all-sonames+=$$lib=$$lib.so\$$($$lib.so-version)";;\ | |
825 | *) echo "$$lib.so-version=$$number"; \ | |
826 | echo "all-sonames+=$$lib=\$$($$lib.so-version)";;\ | |
827 | esac; \ | |
828 | done; \ | |
3e1e123d RM |
829 | case "$$seen_DEFAULT$$seen_WORDSIZE32$$seen_WORDSIZE64" in \ |
830 | 100) echo biarch = no;; \ | |
831 | 101) echo biarch = 32;; \ | |
832 | ?1?) echo biarch = 64;; \ | |
833 | *) echo >&2 BUG; exit 2;; \ | |
834 | esac; \ | |
1bc777b8 | 835 | echo soversions.mk-done = t;) < $< > $@T; exit 0 |
4de1d597 | 836 | mv -f $@T $@ |
eca3eb3b | 837 | endif |
281e6031 | 838 | endif |
eca3eb3b | 839 | |
f3787738 RM |
840 | postclean-generated += soversions.mk soversions.i \ |
841 | shlib-versions.v shlib-versions.v.i | |
4de1d597 | 842 | |
c0e45674 | 843 | # Generate the header containing the names of all shared libraries. |
5613ea18 | 844 | # We use a stamp file to avoid unnecessary recompilations. |
c0e45674 | 845 | before-compile += $(common-objpfx)gnu/lib-names.h |
1bc777b8 | 846 | ifeq ($(soversions.mk-done),t) |
60c34a30 | 847 | $(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp; @: |
91adb529 RM |
848 | $(common-objpfx)gnu/lib-names.stmp: $(..)scripts/lib-names.awk \ |
849 | $(common-objpfx)soversions.i | |
c0e45674 UD |
850 | $(make-target-directory) |
851 | @rm -f ${@:stmp=T} $@ | |
91adb529 | 852 | $(AWK) -f $^ > ${@:stmp=T} |
7e7a548e | 853 | $(move-if-change) ${@:stmp=T} ${@:stmp=h} |
c0e45674 | 854 | touch $@ |
1bc777b8 | 855 | endif |
c0e45674 UD |
856 | |
857 | common-generated += gnu/lib-names.h gnu/lib-names.stmp | |
d41c6f61 UD |
858 | |
859 | # The name under which the run-time dynamic linker is installed. | |
860 | # We are currently going for the convention that `/lib/ld.so.1' | |
861 | # names the SVR4/ELF ABI-compliant dynamic linker. | |
862 | ifndef rtld-installed-name | |
863 | ifdef ld.so-version | |
864 | rtld-installed-name = $(ld.so-version) | |
865 | else | |
866 | rtld-installed-name = ld.so.1 | |
867 | endif | |
868 | endif | |
869 | ||
1ef32c3d UD |
870 | ifndef rtld-version-installed-name |
871 | rtld-version-installed-name = ld-$(version).so | |
872 | endif | |
873 | ||
f649c201 UD |
874 | endif # build-shared |
875 | ||
cbdee279 | 876 | |
94e365c6 UD |
877 | ifeq ($(elf),yes) |
878 | dlfcn = dlfcn | |
879 | ifeq ($(build-shared),yes) | |
880 | libdl = $(common-objpfx)dlfcn/libdl.so$(libdl.so-version) | |
881 | else | |
882 | libdl = $(common-objpfx)dlfcn/libdl.a | |
883 | endif | |
884 | else | |
ad10cac8 UD |
885 | ifneq (,$(findstring aix,$(config-os))) |
886 | ifeq ($(build-shared),yes) | |
887 | dlfcn = dlfcn | |
888 | libdl = $(common-objpfx)dlfcn/libdl.so$(libdl.so-version) | |
889 | else | |
890 | # No libdl without shared libs on AIX | |
891 | dlfcn = | |
892 | libdl = | |
893 | endif | |
894 | else | |
895 | # No ELF, no AIX - no libdl, at least for now. | |
94e365c6 UD |
896 | dlfcn = |
897 | libdl = | |
898 | endif | |
ad10cac8 | 899 | endif |
94e365c6 | 900 | |
bb41a976 UD |
901 | # These are the subdirectories containing the library source. The order |
902 | # is more or less arbitrary. The sorting step will take care of the | |
e0a3ed4f | 903 | # dependencies. |
8d6f1731 | 904 | all-subdirs = csu assert ctype locale intl catgets math setjmp signal \ |
e0a3ed4f | 905 | stdlib stdio-common libio malloc string wcsmbs time dirent \ |
b0b67c47 | 906 | grp pwd posix io termios resource misc socket sysvipc gmon \ |
b11f5954 | 907 | gnulib iconv iconvdata wctype manual shadow po argp \ |
e0a3ed4f RM |
908 | crypt nss localedata timezone rt conform debug \ |
909 | $(add-on-subdirs) $(dlfcn) $(binfmt-subdir) | |
b22fc5f5 | 910 | |
b7e2d9a5 | 911 | ifndef avoid-generated |
e0a3ed4f RM |
912 | all-Depend-files := $(wildcard $(foreach dir,$(all-subdirs),\ |
913 | $(firstword $($(dir)-srcdir) \ | |
914 | $(..)$(dir))/Depend)) | |
915 | $(common-objpfx)sysd-sorted: $(..)scripts/gen-sorted.awk \ | |
916 | $(common-objpfx)config.make $(..)Makeconfig \ | |
917 | $(wildcard $(sysdirs:=/Subdirs)) \ | |
918 | $(all-Depend-files) | |
919 | $(AWK) -f $< \ | |
920 | -v subdirs='$(all-subdirs)' \ | |
921 | -v srcpfx='$(..)' \ | |
922 | $(filter %/Subdirs %/Depend,$^) > $@-tmp | |
bb41a976 | 923 | mv -f $@-tmp $@ |
9de06f3c | 924 | $(all-Depend-files): ; |
b7e2d9a5 | 925 | endif |
bb41a976 | 926 | |
083973f3 | 927 | # Let sysdeps/ subdirs contain a Makeconfig fragment for us to include here. |
e0a3ed4f | 928 | sysdep-makeconfigs := $(wildcard $(+sysdep_dirs:=/Makeconfig)) |
083973f3 | 929 | ifneq (,$(sysdep-makeconfigs)) |
e0a3ed4f | 930 | include $(sysdep-makeconfigs) |
083973f3 RM |
931 | endif |
932 | ||
933 | ||
28f540f4 | 934 | endif # Makeconfig not yet included |
c238ecf7 UD |
935 | |
936 | # Local Variables: | |
937 | # mode: makefile | |
938 | # End: |