]>
Commit | Line | Data |
---|---|---|
5290baf0 | 1 | # Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 | |
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. | |
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 | |
12 | # Library General Public License for more details. | |
13 | ||
14 | # You should have received a copy of the GNU Library General Public | |
0c5ecdc4 UD |
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. | |
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 | ||
26 | ifneq "$(origin +included-Makeconfig)" "file" | |
27 | ||
28 | +included-Makeconfig := yes | |
29 | ||
30 | ifdef subdir | |
31 | .. := ../ | |
32 | endif | |
33 | ||
34 | # If config.make exists, the source directory was configured, | |
35 | # so don't try to be clever and find another directory to build in. | |
36 | ifneq (,$(wildcard $(..)config.make)) | |
37 | ARCH = | |
38 | machine = | |
39 | else # Not configured. | |
40 | ifndef ARCH | |
41 | ifdef machine | |
42 | ARCH = $(machine) | |
43 | endif # machine | |
44 | endif # ARCH | |
45 | endif # config.make | |
46 | ||
47 | # Directory for object files and libc.a. If this is not defined, the | |
48 | # object files live in the subdirectories where their sources live, and | |
49 | # libc.a lives in the parent directory (this probably doesn't work any | |
50 | # more). | |
51 | ifdef ARCH | |
52 | ifeq ($(filter /%,$(ARCH)),) | |
53 | objdir := $(..)$(ARCH) | |
54 | else | |
55 | objdir = $(ARCH) | |
56 | endif | |
57 | endif | |
58 | ||
094bacdb | 59 | # $(common-objdir) is the place to put objects and |
28f540f4 RM |
60 | # such that are not specific to a single subdir. |
61 | ifdef objdir | |
6e953631 UD |
62 | objpfx := $(patsubst %//,%/,$(objdir)/$(subdir)/) |
63 | common-objpfx = $(objdir)/ | |
28f540f4 RM |
64 | common-objdir = $(objdir) |
65 | else | |
66 | objpfx := | |
67 | ifdef .. | |
68 | common-objpfx = $(..) | |
69 | common-objdir = .. | |
70 | else | |
71 | # This is a kludge. make wizards might grok. | |
72 | common-objpfx = sysdeps/../ | |
73 | common-objdir = . | |
74 | endif | |
75 | endif | |
76 | ||
f332db02 RM |
77 | # Root of the sysdeps tree. |
78 | sysdep_dir := $(..)sysdeps | |
79 | export sysdep_dir := $(sysdep_dir) | |
80 | ||
28f540f4 RM |
81 | # Get the values defined by options to `configure'. |
82 | include $(common-objpfx)config.make | |
83 | ||
57ba7bb4 UD |
84 | # Complete path to sysdep dirs. |
85 | full-config-sysdirs := $(filter /%, $(config-sysdirs)) \ | |
86 | $(addprefix $(..), $(filter-out /%, $(config-sysdirs))) | |
87 | export full-config-sysdirs := $(full-config-sysdirs) | |
88 | ||
273d56ce RM |
89 | # Run config.status to update config.make and config.h. We don't show the |
90 | # dependence of config.h to Make, because it is only touched when it | |
91 | # changes and so config.status would be run every time; the dependence of | |
92 | # config.make should suffice to force regeneration and re-exec, and the new | |
93 | # image will notice if config.h changed. | |
19361cb7 UD |
94 | $(common-objpfx)config.make: $(common-objpfx)config.status \ |
95 | $(..)config.make.in $(..)config.h.in | |
273d56ce RM |
96 | cd $(<D); $(SHELL) $(<F) |
97 | ||
7da3079b RM |
98 | # Find all the sysdeps configure fragments, to make sure we re-run |
99 | # configure when any of them changes. | |
5290baf0 | 100 | $(common-objpfx)config.status: $(..)version.h $(..)configure \ |
57ba7bb4 | 101 | $(foreach dir,$(full-config-sysdirs),\ |
e50ec9f9 | 102 | $(wildcard \ |
57ba7bb4 | 103 | $(dir)/Implies) \ |
f332db02 RM |
104 | $(patsubst %.in,%,\ |
105 | $(firstword $(wildcard \ | |
57ba7bb4 | 106 | $(addprefix $(dir)/,configure configure.in))))) |
273d56ce RM |
107 | @cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \ |
108 | echo The GNU C library has not been configured. >&2; \ | |
109 | echo Run \`configure\' to configure it before building. >&2; \ | |
110 | echo Try \`configure --help\' for more details. >&2; \ | |
111 | exit 1; fi | |
28f540f4 RM |
112 | |
113 | # Get the user's configuration parameters. | |
114 | ifneq ($(wildcard $(..)configparms),) | |
115 | include $(..)configparms | |
116 | endif | |
117 | ifneq ($(objpfx),) | |
6e953631 UD |
118 | ifneq ($(wildcard $(common-objpfx)configparms),) |
119 | include $(common-objpfx)configparms | |
28f540f4 RM |
120 | endif |
121 | endif | |
28f540f4 RM |
122 | \f |
123 | #### | |
124 | #### These are the configuration variables. You can define values for | |
125 | #### the variables below in the file `configparms'. | |
126 | #### Do NOT edit this file. | |
127 | #### | |
128 | ||
129 | ||
deab9dea RM |
130 | # Set this to either `stdio' or `libio', to compile in either GNU stdio |
131 | # or GNU libio. | |
132 | ifndef stdio | |
133 | stdio = stdio | |
134 | endif | |
135 | ||
28f540f4 | 136 | # Common prefix for machine-independent installation directories. |
487253ea | 137 | ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value. |
28f540f4 RM |
138 | prefix = /usr/local |
139 | endif | |
140 | ||
141 | # Common prefix for machine-dependent installation directories. | |
487253ea | 142 | ifeq ($(origin exec_prefix),undefined) |
28f540f4 RM |
143 | exec_prefix = $(prefix) |
144 | endif | |
145 | ||
146 | # Where to install the library and object files. | |
147 | ifndef libdir | |
148 | libdir = $(exec_prefix)/lib | |
149 | endif | |
8d57beea | 150 | inst_libdir = $(install_root)$(libdir) |
28f540f4 | 151 | |
094bacdb RM |
152 | # Where to install the shared library and dynamic linker. |
153 | ifndef slibdir | |
154 | slibdir = $(exec_prefix)/lib | |
155 | endif | |
8d57beea | 156 | inst_slibdir = $(install_root)$(slibdir) |
094bacdb | 157 | |
28f540f4 RM |
158 | # Prefix to put on files installed in $(libdir). For libraries `libNAME.a', |
159 | # the prefix is spliced between `lib' and the name, so the linker switch | |
160 | # `-l$(libprefix)NAME' finds the library; for other files the prefix is | |
161 | # just prepended to the whole file name. | |
487253ea | 162 | ifeq ($(origin libprefix),undefined) |
28f540f4 RM |
163 | libprefix = |
164 | endif | |
165 | ||
166 | # Where to install the header files. | |
167 | ifndef includedir | |
168 | includedir = $(exec_prefix)/include | |
169 | endif | |
8d57beea | 170 | inst_includedir = $(install_root)$(includedir) |
28f540f4 | 171 | |
28f540f4 | 172 | # Where to install machine-independent data files. |
a2fe9c76 | 173 | # These are the timezone database, and the locale database. |
28f540f4 RM |
174 | ifndef datadir |
175 | datadir = $(prefix)/share | |
176 | endif | |
8d57beea | 177 | inst_datadir = $(install_root)$(datadir) |
28f540f4 RM |
178 | |
179 | # Where to install the timezone data files (which are machine-independent). | |
180 | ifndef zonedir | |
181 | zonedir = $(datadir)/zoneinfo | |
182 | endif | |
8d57beea | 183 | inst_zonedir = $(install_root)$(zonedir) |
28f540f4 | 184 | |
3ec41e03 RM |
185 | # Where to install the locale and message catalog data files (which are |
186 | # machine-independent). | |
a2fe9c76 RM |
187 | ifndef localedir |
188 | localedir = $(datadir)/locale | |
189 | endif | |
8d57beea | 190 | inst_localedir = $(install_root)$(localedir) |
a2fe9c76 | 191 | |
3ec41e03 | 192 | # Where to install the locale charmap source files. |
19bc17a9 RM |
193 | ifndef i18ndir |
194 | i18ndir = $(datadir)/i18n | |
a2fe9c76 | 195 | endif |
8d57beea | 196 | inst_i18ndir = $(install_root)$(i18ndir) |
a2fe9c76 RM |
197 | |
198 | ||
28f540f4 RM |
199 | # Where to install programs. |
200 | ifndef bindir | |
201 | bindir = $(exec_prefix)/bin | |
202 | endif | |
8d57beea | 203 | inst_bindir = $(install_root)$(bindir) |
28f540f4 RM |
204 | |
205 | # Where to install administrative programs. | |
1ef32c3d UD |
206 | ifndef rootsbindir |
207 | rootsbindir = $(exec_prefix)/sbin | |
208 | endif | |
8d57beea | 209 | inst_rootsbindir = $(install_root)$(rootsbindir) |
1ef32c3d | 210 | |
28f540f4 RM |
211 | ifndef sbindir |
212 | sbindir = $(exec_prefix)/sbin | |
213 | endif | |
8d57beea | 214 | inst_sbindir = $(install_root)$(sbindir) |
28f540f4 RM |
215 | |
216 | # Where to install the Info files. | |
217 | ifndef infodir | |
218 | infodir = $(prefix)/info | |
219 | endif | |
8d57beea | 220 | inst_infodir = $(install_root)$(infodir) |
28f540f4 RM |
221 | |
222 | # Where to install default configuration files. These include the local | |
223 | # timezone specification and network data base files. | |
224 | ifndef sysconfdir | |
225 | sysconfdir = $(prefix)/etc | |
226 | endif | |
8d57beea | 227 | inst_sysconfdir = $(install_root)$(sysconfdir) |
28f540f4 RM |
228 | |
229 | # What timezone should be the installed default (e.g., US/Eastern). | |
230 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
231 | # The local timezone can be changed with `zic -l TIMEZONE' at any time. | |
232 | ifndef localtime | |
233 | localtime = Factory | |
234 | endif | |
235 | ||
236 | # Where to install the "localtime" timezone file; this is the file whose | |
237 | # contents $(localtime) specifies. If this is a relative pathname, it is | |
238 | # relative to $(zonedir). It is a good idea to put this somewhere | |
239 | # other than there, so the zoneinfo directory contains only universal data, | |
240 | # localizing the configuration data elsewhere. | |
241 | ifndef localtime-file | |
0d8733c4 UD |
242 | localtime-file = $(sysconfdir)/localtime |
243 | inst_localtime-file = $(install_root)$(localtime-file) | |
28f540f4 RM |
244 | endif |
245 | ||
59dd8641 RM |
246 | # What to use for leap second specifications in compiling the default |
247 | # timezone files. Set this to `/dev/null' for no leap second handling as | |
248 | # 1003.1 requires, or to `leapseconds' for proper leap second handling. | |
249 | # Both zone flavors are always available as `posix/ZONE' and `right/ZONE'. | |
250 | # This variable determines the default: if it's `/dev/null', | |
251 | # ZONE==posix/ZONE; if it's `leapseconds', ZONE==right/ZONE. | |
252 | ifndef leapseconds | |
253 | leapseconds = /dev/null | |
254 | endif | |
255 | ||
28f540f4 RM |
256 | # What timezone's DST rules should be used when a POSIX-style TZ |
257 | # environment variable doesn't specify any rules. For 1003.1 compliance | |
258 | # this timezone must use rules that are as U.S. federal law defines DST. | |
259 | # Run `make -C time echo-zonenames' to see a list of available zone names. | |
260 | # This setting can be changed with `zic -p TIMEZONE' at any time. | |
261 | # If you want POSIX.1 compatibility, use `America/New_York'. | |
262 | ifndef posixrules | |
263 | posixrules = America/New_York | |
264 | endif | |
265 | ||
266 | # Where to install the "posixrules" timezone file; this is file | |
267 | # whose contents $(posixrules) specifies. If this is a relative | |
268 | # pathname, it is relative to $(zonedir). | |
269 | ifndef posixrules-file | |
270 | posixrules-file = posixrules | |
271 | endif | |
272 | ||
273 | ||
274 | # Directory where your system's native header files live. | |
275 | # This is used on Unix systems to generate some GNU libc header files. | |
276 | ifndef sysincludedir | |
277 | sysincludedir = /usr/include | |
278 | endif | |
279 | ||
280 | ||
281 | # Commands to install files. | |
282 | ifndef INSTALL_DATA | |
283 | INSTALL_DATA = $(INSTALL) -m 644 | |
284 | endif | |
285 | ifndef INSTALL_PROGRAM | |
286 | INSTALL_PROGRAM = $(INSTALL) | |
287 | endif | |
288 | ifndef INSTALL | |
289 | INSTALL = install | |
290 | endif | |
291 | ||
292 | ||
293 | # The name of the C compiler. | |
294 | # If you've got GCC, and it works, use it. | |
295 | ifeq ($(origin CC),default) | |
296 | CC := gcc | |
297 | endif | |
298 | ||
299 | # The name of the C compiler to use for compilations of programs to run on | |
300 | # the host that is building the library. If you set CC to a | |
301 | # cross-compiler, you must set this to the normal compiler. | |
302 | ifndef BUILD_CC | |
303 | BUILD_CC = $(CC) | |
304 | endif | |
305 | ||
306 | # Default flags to pass the C compiler. | |
307 | ifndef default_cflags | |
a8922de8 | 308 | default_cflags := -g -O |
28f540f4 RM |
309 | endif |
310 | ||
311 | # Flags to pass the C compiler when assembling preprocessed assembly code | |
312 | # (`.S' files). On some systems the assembler doesn't understand the `#' line | |
313 | # directives the preprocessor produces. If you have troubling compiling | |
314 | # assembly code, try using -P here to suppress these directives. | |
315 | ifndef asm-CPPFLAGS | |
316 | asm-CPPFLAGS = | |
317 | endif | |
318 | ||
319 | # Command for linking programs with the C library. | |
320 | ifndef +link | |
8e3cc80f RM |
321 | +link = $(CC) -nostdlib -nostartfiles -o $@ \ |
322 | $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) \ | |
5ae9d168 | 323 | $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+prector) \ |
c2bb8cab UD |
324 | $(filter-out $(addprefix $(csu-objpfx),start.o) $(+preinit) \ |
325 | $(link-extra-libs) $(common-objpfx)libc% $(+postinit),$^) \ | |
5ae9d168 | 326 | $(link-extra-libs) $(link-libc) $(+postctor) $(+postinit) |
28f540f4 | 327 | endif |
b122c703 RM |
328 | ifndef config-LDFLAGS |
329 | ifeq (yes,$(build-shared)) | |
094bacdb | 330 | config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name) |
b122c703 RM |
331 | endif |
332 | endif | |
3fe9de0d RM |
333 | ifndef link-libc |
334 | ifeq (yes,$(build-shared)) | |
aa1075ea RM |
335 | # We need the versioned name of libc.so in the deps of $(others) et al |
336 | # so that the symlink to libc.so is created before anything tries to | |
337 | # run the linked programs. | |
4d6acc61 | 338 | link-libc = -Wl,-rpath-link=$(rpath-link) \ |
aa1075ea | 339 | $(common-objpfx)libc.so$(libc.so-version) \ |
852fc4b9 | 340 | $(elfobjdir)/$(rtld-installed-name) \ |
aa1075ea | 341 | $(common-objpfx)libc.a $(gnulib) |
4cb20290 RM |
342 | # Choose the default search path for the dynamic linker based on |
343 | # where we will install libraries. | |
344 | ifneq ($(libdir),$(slibdir)) | |
345 | default-rpath = $(slibdir):$(libdir) | |
346 | else | |
347 | default-rpath = $(libdir) | |
348 | endif | |
4d6acc61 | 349 | # This is how to find at build-time things that will be installed there. |
c57abfa7 UD |
350 | rpath-link = $(common-objdir):$(mathobjdir):$(elfobjdir):$(nssobjdir) |
351 | mathobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)math) | |
47707456 | 352 | elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf) |
6e953631 | 353 | nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss) |
3fe9de0d RM |
354 | else |
355 | link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a | |
356 | endif | |
357 | endif | |
57ba7bb4 UD |
358 | ifndef link-extra-libs |
359 | ifeq (yes,$(build-shared)) | |
c57abfa7 UD |
360 | ifneq ($(common-objpfx),$(objpfx)) |
361 | link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),\ | |
362 | $(wildcard $(common-objpfx)$(lib).so$($(notdir $(lib)).so-version) \ | |
363 | $(objpfx)$(lib).so$($(notdir $(lib)).so-version))) | |
364 | else | |
57ba7bb4 | 365 | link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).so$($(notdir $(lib)).so-version)) |
c57abfa7 | 366 | endif |
57ba7bb4 UD |
367 | else |
368 | link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).a) | |
369 | endif | |
370 | endif | |
28f540f4 RM |
371 | ifndef gnulib |
372 | gnulib := -lgcc | |
373 | endif | |
96f873b9 | 374 | ifeq ($(elf),yes) |
e75154a6 RM |
375 | +preinit = $(addprefix $(csu-objpfx),crti.o) |
376 | +postinit = $(addprefix $(csu-objpfx),crtn.o) | |
5ae9d168 UD |
377 | +prector = `$(CC) --print-file-name=crtbegin.o` |
378 | +postctor = `$(CC) --print-file-name=crtend.o` | |
96f873b9 | 379 | endif |
6e953631 UD |
380 | csu-objpfx = $(common-objpfx)csu/ |
381 | elf-objpfx = $(common-objpfx)elf/ | |
57ba7bb4 | 382 | db-objpfx = $(common-objpfx)db/ |
28f540f4 | 383 | |
03a75825 RM |
384 | # How to run a program we just linked with our library. |
385 | # The program binary is assumed to be $(word 2,$^). | |
386 | built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^)) | |
387 | ifneq (yes,$(build-shared)) | |
388 | built-program-cmd = $(built-program-file) | |
389 | else | |
196980f5 | 390 | comma = , |
11336c16 UD |
391 | sysdep-library-path = \ |
392 | $(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\ | |
393 | $(filter -Wl$(comma)-rpath-link=%,\ | |
394 | $(sysdep-LDFLAGS))))) | |
03a75825 | 395 | define built-program-cmd |
11336c16 | 396 | LD_LIBRARY_PATH=$(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \ |
96bda0ea | 397 | $(elf-objpfx)$(rtld-installed-name) $(built-program-file) |
03a75825 RM |
398 | endef |
399 | endif | |
400 | ||
28f540f4 RM |
401 | ifndef LD |
402 | LD := ld -X | |
403 | endif | |
404 | ||
405 | ifndef RANLIB | |
406 | RANLIB = ranlib | |
407 | endif | |
408 | ||
409 | # Extra flags to pass to GCC. | |
522548fb | 410 | +gccwarn := -Wall -Wwrite-strings -Wno-parentheses -Winline -Wstrict-prototypes |
28f540f4 RM |
411 | |
412 | # This is the program that generates makefile | |
413 | # dependencies from C source files. | |
414 | ifndef +mkdep | |
415 | +mkdep = $(CC) -M | |
416 | endif | |
417 | ||
418 | # The program that makes Emacs-style TAGS files. | |
419 | ETAGS := etags -T | |
420 | ||
421 | # The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and | |
422 | # perhaps others) to preprocess assembly code in some cases. | |
423 | M4 = m4 | |
424 | ||
425 | #### | |
426 | #### End of configuration variables. | |
427 | #### | |
428 | \f | |
429 | # This tells some versions of GNU make before 3.63 not to export all variables. | |
430 | .NOEXPORT: | |
431 | ||
432 | # We want to echo the commands we're running without | |
6d52618b | 433 | # umpteen zillion filenames along with it (we use `...' instead) |
28f540f4 RM |
434 | # but we don't want this echoing done when the user has said |
435 | # he doesn't want to see commands echoed by using -s. | |
436 | ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s | |
437 | +cmdecho := echo >/dev/null | |
438 | else # not -s | |
439 | +cmdecho := echo | |
440 | endif # -s | |
441 | ||
442 | # These are the flags given to the compiler to tell | |
443 | # it what sort of optimization and/or debugging output to do. | |
444 | ifndef +cflags | |
445 | # If `CFLAGS' was defined, use that. | |
446 | ifdef CFLAGS | |
447 | +cflags := $(filter-out -I%,$(CFLAGS)) | |
448 | endif # CFLAGS | |
449 | endif # +cflags | |
450 | ||
fd26970f | 451 | # If none of the above worked, default to "-g -O". |
28f540f4 RM |
452 | ifeq "$(strip $(+cflags))" "" |
453 | +cflags := $(default_cflags) | |
454 | endif # $(+cflags) == "" | |
455 | ||
28f540f4 RM |
456 | +cflags := $(+cflags) $(+gccwarn) |
457 | +gcc-nowarn := -w | |
28f540f4 RM |
458 | |
459 | # Don't duplicate options if we inherited variables from the parent. | |
460 | +cflags := $(sort $(+cflags)) | |
461 | ||
462 | ||
463 | # These are flags given to the C compiler to tell it to look for include | |
464 | # files (including ones given in angle brackets) in the current directory | |
465 | # and in the parent library source directory. | |
466 | # `+sysdep-includes' will be defined by Makerules. | |
96aa2d94 | 467 | +includes = -I. $(filter-out -I,-I$(patsubst %/,%,$(..))) $($(stdio)-include) \ |
28f540f4 RM |
468 | $(includes) $(+sysdep-includes) $(last-includes) |
469 | ||
96aa2d94 RM |
470 | # Since libio has several internal header files, we use a -I instead |
471 | # of many little headers in the top level source directory. | |
472 | libio-include = -I$(..)libio | |
28f540f4 RM |
473 | |
474 | # These are the variables that the implicit compilation rules use. | |
475 | CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \ | |
8a4b65b4 UD |
476 | $(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@)) $(CPPFLAGS-$(<F)) \ |
477 | $(CPPFLAGS-$(@F)) | |
d99d7e26 | 478 | override CFLAGS = $(+cflags) $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) \ |
8a4b65b4 | 479 | $(CFLAGS-$(<F)) $(CFLAGS-$(@F)) |
28f540f4 RM |
480 | |
481 | ||
482 | # This is the macro that the implicit linking rules use. | |
483 | ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags) | |
484 | LDFLAGS := -g | |
485 | endif | |
486 | ||
f0bf9cb9 RM |
487 | |
488 | # Enable object files for different versions of the library. | |
489 | # Various things use $(object-suffixes) to know what all to make. | |
490 | # The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX}) | |
491 | # to pass different flags for each flavor. | |
492 | libtypes = $(foreach o,$(object-suffixes),$(libtype$o)) | |
493 | object-suffixes := .o | |
ceb2d9aa | 494 | all-object-suffixes := .o .so .po .go .bo |
f0bf9cb9 RM |
495 | libtype.o := lib%.a |
496 | ifeq (yes,$(build-shared)) | |
497 | # Under --enable-shared, we will build a shared library of PIC objects. | |
498 | # The PIC object files are named foo.so. | |
499 | object-suffixes += .so | |
500 | CPPFLAGS-.so = -DPIC | |
fd26970f | 501 | CFLAGS-.so = -fPIC -fno-common |
f0bf9cb9 RM |
502 | libtype.so := lib%_pic.a |
503 | endif | |
504 | ifeq (yes,$(build-profile)) | |
505 | # Under --enable-profile, we will build a static library of profiled objects. | |
506 | # The profiled object files are named foo.po. | |
507 | object-suffixes += .po | |
a182affd | 508 | CPPFLAGS-.po = -DPROF |
7c97bb09 | 509 | CFLAGS-.po = -pg |
f0bf9cb9 RM |
510 | libtype.po = lib%_p.a |
511 | endif | |
512 | ifeq (yes,$(build-omitfp)) | |
513 | # Under --enable-omitfp, we build an the library optimized without | |
514 | # debugging information using -fomit-frame-pointer, and build an extra | |
515 | # library with debugging information. The debuggable objects are named foo.go. | |
516 | object-suffixes += .go | |
517 | CFLAGS-.go = -g | |
518 | CFLAGS-.o = -g0 -O99 -fomit-frame-pointer | |
a8922de8 | 519 | CFLAGS-.so += $(CFLAGS-.o) |
f0bf9cb9 RM |
520 | libtype.go = lib%_g.a |
521 | endif | |
5a97622d UD |
522 | ifeq (yes,$(build-bounded)) |
523 | # Under --enable-bounded, we build the library with `-fbounded-pointers -g' | |
524 | # to runtime bounds checking. The bounded-pointer objects are named foo.bo. | |
525 | object-suffixes += .bo | |
526 | CPPFLAGS-.bo = -DBOUNDED_POINTERS | |
527 | CFLAGS-.bo = -g -fbounded-pointers | |
528 | libtype.bo = lib%_b.a | |
529 | endif | |
f0bf9cb9 RM |
530 | |
531 | ||
28f540f4 RM |
532 | +gnu-stabs = $(shell echo>&2 '*** BARF ON ME') |
533 | ||
96bda0ea RM |
534 | ifndef BUILD_CC |
535 | BUILD_CC = $(CC) | |
536 | endif | |
537 | ||
28f540f4 RM |
538 | ifneq ($(BUILD_CC),$(CC)) |
539 | cross-compiling := yes | |
540 | else | |
541 | cross-compiling := no | |
542 | endif | |
a641835a RM |
543 | \f |
544 | # Figure out the version numbers from version.h. | |
28f540f4 | 545 | |
0e3426bb RM |
546 | $(common-objpfx)version.mk: $(..)version.h $(..)Makeconfig |
547 | sed -n -e 's/^.*RELEASE.*"\([^"]*\)".*$$/release=\1/p' \ | |
548 | -e 's/^.*VERSION.*"\([^"]*\)".*$$/version=\1/p' \ | |
a641835a RM |
549 | < $< > $@-new |
550 | mv -f $@-new $@ | |
28f540f4 | 551 | |
4de1d597 RM |
552 | ifeq (yes, $(build-shared)) |
553 | ||
554 | # Process the shlib-versions file, which tells us what shared library | |
555 | # version numbers to use when we install shared objects on this system. | |
556 | -include $(common-objpfx)soversions.mk | |
557 | $(common-objpfx)soversions.mk: $(..)shlib-versions $(..)Makeconfig \ | |
edf5b2d7 UD |
558 | $(wildcard $(patsubst %, $(..)%/shlib-versions,\ |
559 | $(add-ons))) \ | |
4de1d597 | 560 | $(common-objpfx)config.make |
ec4b0518 UD |
561 | (file="$(wildcard $(patsubst %,$(..)%/shlib-versions,$(add-ons))) \ |
562 | $(..)shlib-versions"; \ | |
edf5b2d7 | 563 | for f in $$file; do \ |
8a523922 UD |
564 | sed 's/#.*$$//' $$f | while read conf versions; do \ |
565 | test -n "$$versions" && \ | |
566 | test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \ | |
567 | : "$$conf"` != 0 || continue; \ | |
edf5b2d7 UD |
568 | for v in $$versions; do \ |
569 | lib=`echo $$v | sed 's/=.*$$//'`; \ | |
570 | if eval "test -z \"\$$vers_lib$$lib\""; then \ | |
571 | eval vers_lib$${lib}=yes; \ | |
d41c6f61 UD |
572 | number=`echo $$v | sed "s/^.*=//"`; \ |
573 | case $$number in \ | |
ba1ffaa1 UD |
574 | [0-9]*) echo "$$lib.so-version=.$$number"; \ |
575 | echo "all-sonames+=$$lib.so\$$($$lib.so-version)";;\ | |
576 | *) echo "$$lib.so-version=$$number"; \ | |
577 | echo "all-sonames+=\$$($$lib.so-version)";; \ | |
8a523922 | 578 | esac; \ |
edf5b2d7 | 579 | fi; \ |
8a523922 UD |
580 | done; \ |
581 | done; \ | |
edf5b2d7 | 582 | done;) > $@T; exit 0 |
4de1d597 RM |
583 | mv -f $@T $@ |
584 | ||
585 | # Get $(version) defined with the release version number. | |
586 | -include $(common-objpfx)version.mk | |
587 | ||
c0e45674 UD |
588 | # Generate the header containing the names of all shared libraries. |
589 | # We use a stamp file to avoid uncessary recompilations. | |
590 | before-compile += $(common-objpfx)gnu/lib-names.h | |
591 | $(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp | |
592 | $(common-objpfx)gnu/lib-names.stmp: $(common-objpfx)soversions.mk | |
593 | $(make-target-directory) | |
594 | @rm -f ${@:stmp=T} $@ | |
595 | (echo '/* This file is automatically generated.';\ | |
596 | echo ' It defines macros to allow user program to find the shared';\ | |
597 | echo ' library files which come as part of GNU libc. */';\ | |
598 | echo '#ifndef __GNU_LIB_NAMES_H'; \ | |
599 | echo '#define __GNU_LIB_NAMES_H 1'; \ | |
600 | echo; \ | |
601 | (libs='$(all-sonames)';\ | |
602 | for l in $$libs; do \ | |
603 | upname=`echo $$l | sed 's/[.]so.*//' | \ | |
7cc27f44 UD |
604 | tr 'abcdefghijklmnopqrstuvwxyz-' \ |
605 | 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`; \ | |
c0e45674 UD |
606 | echo "#define $${upname}_SO \"$$l\""; \ |
607 | done;) | sort; \ | |
608 | echo; \ | |
609 | echo '#endif /* gnu/lib-names.h */';) > ${@:stmp=T} | |
610 | if test -r ${@:stmp=h} && cmp -s ${@:stmp=h} ${@:stmp=T}; \ | |
611 | then rm -f ${@:stmp=T}; \ | |
612 | else mv -f ${@:stmp=T} ${@:stmp=h}; fi | |
613 | touch $@ | |
614 | ||
615 | common-generated += gnu/lib-names.h gnu/lib-names.stmp | |
d41c6f61 UD |
616 | |
617 | # The name under which the run-time dynamic linker is installed. | |
618 | # We are currently going for the convention that `/lib/ld.so.1' | |
619 | # names the SVR4/ELF ABI-compliant dynamic linker. | |
620 | ifndef rtld-installed-name | |
621 | ifdef ld.so-version | |
622 | rtld-installed-name = $(ld.so-version) | |
623 | else | |
624 | rtld-installed-name = ld.so.1 | |
625 | endif | |
626 | endif | |
627 | ||
1ef32c3d UD |
628 | ifndef rtld-version-installed-name |
629 | rtld-version-installed-name = ld-$(version).so | |
630 | endif | |
631 | ||
4de1d597 RM |
632 | endif # build-shared |
633 | ||
28f540f4 | 634 | endif # Makeconfig not yet included |