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1 | dnl aclocal.m4 generated automatically by aclocal 1.4 |
2 | ||
3 | dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. | |
4 | dnl This file is free software; the Free Software Foundation | |
5 | dnl gives unlimited permission to copy and/or distribute it, | |
6 | dnl with or without modifications, as long as this notice is preserved. | |
7 | ||
8 | dnl This program is distributed in the hope that it will be useful, | |
9 | dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without | |
10 | dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A | |
11 | dnl PARTICULAR PURPOSE. | |
12 | ||
13 | dnl | |
14 | dnl Initialize configure bits. | |
15 | dnl | |
16 | dnl Define OPTLEVEL='-O2' if new inlining code present. | |
17 | dnl | |
18 | dnl GLIBCPP_CONFIGURE | |
19 | AC_DEFUN(GLIBCPP_CONFIGURE, [ | |
20 | dnl Default to --enable-multilib | |
21 | AC_ARG_ENABLE(multilib, | |
22 | [ --enable-multilib build hella library versions (default)], | |
23 | [case "${enableval}" in | |
24 | yes) multilib=yes ;; | |
25 | no) multilib=no ;; | |
26 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; | |
27 | esac], [multilib=yes])dnl | |
28 | ||
29 | dnl We may get other options which we dont document: | |
30 | dnl --with-target-subdir, --with-multisrctop, --with-multisubdir | |
31 | if test "[$]{srcdir}" = "."; then | |
32 | if test "[$]{with_target_subdir}" != "."; then | |
33 | glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1" | |
34 | else | |
35 | glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}$1" | |
36 | fi | |
37 | else | |
38 | glibcpp_basedir="[$]{srcdir}/$1" | |
39 | fi | |
40 | AC_SUBST(glibcpp_basedir) | |
41 | ||
42 | AC_CANONICAL_HOST | |
43 | ||
44 | AM_INIT_AUTOMAKE(libstdc++, 2.90.8) | |
45 | ||
46 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is | |
47 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We | |
48 | # are probably using a cross compiler, which will not be able to fully | |
49 | # link an executable. This should really be fixed in autoconf | |
50 | # itself. | |
51 | ||
52 | AC_DEFUN(LIB_AC_PROG_CC, | |
53 | [AC_BEFORE([$0], [AC_PROG_CPP])dnl | |
54 | dnl Fool anybody using AC_PROG_CC. | |
55 | AC_PROVIDE([AC_PROG_CC]) | |
56 | AC_CHECK_PROG(CC, gcc, gcc) | |
57 | if test -z "$CC"; then | |
58 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) | |
59 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) | |
60 | fi | |
61 | ||
62 | AC_PROG_CC_GNU | |
63 | ||
64 | if test $ac_cv_prog_gcc = yes; then | |
65 | GCC=yes | |
66 | dnl Check whether -g works, even if CFLAGS is set, in case the package | |
67 | dnl plays around with CFLAGS (such as to build both debugging and | |
68 | dnl normal versions of a library), tasteless as that idea is. | |
69 | ac_test_CFLAGS="${CFLAGS+set}" | |
70 | ac_save_CFLAGS="$CFLAGS" | |
71 | CFLAGS= | |
72 | AC_PROG_CC_G | |
73 | if test "$ac_test_CFLAGS" = set; then | |
74 | CFLAGS="$ac_save_CFLAGS" | |
75 | elif test $ac_cv_prog_cc_g = yes; then | |
76 | CFLAGS="-g -O2" | |
77 | else | |
78 | CFLAGS="-O2" | |
79 | fi | |
80 | else | |
81 | GCC= | |
82 | test "${CFLAGS+set}" = set || CFLAGS="-g" | |
83 | fi | |
84 | ]) | |
85 | ||
86 | LIB_AC_PROG_CC | |
87 | ||
88 | # Likewise for AC_PROG_CXX. | |
89 | AC_DEFUN(LIB_AC_PROG_CXX, | |
90 | [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl | |
91 | dnl Fool anybody using AC_PROG_CXX. | |
92 | AC_PROVIDE([AC_PROG_CXX]) | |
93 | AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc) | |
94 | test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) | |
95 | ||
96 | AC_PROG_CXX_GNU | |
97 | ||
98 | if test $ac_cv_prog_gxx = yes; then | |
99 | GXX=yes | |
100 | dnl Check whether -g works, even if CXXFLAGS is set, in case the package | |
101 | dnl plays around with CXXFLAGS (such as to build both debugging and | |
102 | dnl normal versions of a library), tasteless as that idea is. | |
103 | ac_test_CXXFLAGS="${CXXFLAGS+set}" | |
104 | ac_save_CXXFLAGS="$CXXFLAGS" | |
105 | CXXFLAGS= | |
106 | AC_PROG_CXX_G | |
107 | if test "$ac_test_CXXFLAGS" = set; then | |
108 | CXXFLAGS="$ac_save_CXXFLAGS" | |
109 | elif test $ac_cv_prog_cxx_g = yes; then | |
110 | CXXFLAGS="-g -O2" | |
111 | else | |
112 | CXXFLAGS="-O2" | |
113 | fi | |
114 | else | |
115 | GXX= | |
116 | test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" | |
117 | fi | |
118 | ]) | |
119 | ||
120 | LIB_AC_PROG_CXX | |
121 | ||
122 | # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we dont | |
123 | # run it explicitly here, it will be run implicitly before | |
124 | # LIBGCJ_CONFIGURE, which doesn't work because that means that it will | |
125 | # be run before AC_CANONICAL_HOST. | |
126 | AC_CANONICAL_BUILD | |
127 | ||
128 | AC_CHECK_TOOL(AS, as) | |
129 | AC_CHECK_TOOL(AR, ar) | |
130 | AC_CHECK_TOOL(RANLIB, ranlib, :) | |
131 | ||
132 | AC_PROG_INSTALL | |
133 | ||
134 | AM_MAINTAINER_MODE | |
135 | ||
136 | # We need AC_EXEEXT to keep automake happy in cygnus mode. However, | |
137 | # at least currently, we never actually build a program, so we never | |
138 | # need to use $(EXEEXT). Moreover, the test for EXEEXT normally | |
139 | # fails, because we are probably configuring with a cross compiler | |
140 | # which cant create executables. So we include AC_EXEEXT to keep | |
141 | # automake happy, but we dont execute it, since we dont care about | |
142 | # the result. | |
143 | if false; then | |
144 | AC_EXEEXT | |
145 | fi | |
146 | ||
147 | # configure.host sets the following important variables | |
148 | # glibcpp_cflags - host specific C compiler flags | |
149 | # glibcpp_cxxflags - host specific C++ compiler flags | |
150 | ||
151 | glibcpp_cflags= | |
152 | glibcpp_cxxflags= | |
153 | ||
154 | . [$]{glibcpp_basedir}/configure.host | |
155 | ||
156 | case [$]{glibcpp_basedir} in | |
157 | /* | [A-Za-z]:[/\\]*) libgcj_flagbasedir=[$]{glibcpp_basedir} ;; | |
158 | *) glibcpp_flagbasedir='[$](top_builddir)/'[$]{glibcpp_basedir} ;; | |
159 | esac | |
160 | ||
161 | GLIBCPP_CFLAGS="[$]{glibcpp_cflags}" | |
162 | GLIBCPP_CXXFLAGS="[$]{glibcpp_cxxflags}" | |
163 | AC_SUBST(GLIBCPP_CFLAGS) | |
164 | AC_SUBST(GLIBCPP_CXXFLAGS) | |
165 | ]) | |
166 | ||
167 | ||
168 | dnl | |
8bd636c5 | 169 | dnl Check to see if g++ can compile this library, and if so, if any version- |
d3a12960 BK |
170 | dnl specific precautions need to be taken. In particular, test for |
171 | dnl newer compiler features, or features that are present in newer | |
172 | dnl compiler version but not older compiler versions should be placed | |
173 | dnl here. | |
b2dad0e3 | 174 | dnl |
d3a12960 | 175 | dnl Define FMTFLAGS='-fdiagnostics-show-location=once' if possible |
8bd636c5 | 176 | dnl Define WERROR='-Werror' if possible; g++'s that lack the new inlining |
a4e99046 PE |
177 | dnl code or the new system_header pragma will die. Other options dealing |
178 | dnl with warnings, errors, and compiler complaints may be folded into | |
179 | dnl the WERROR variable. | |
b2dad0e3 BK |
180 | dnl |
181 | dnl GLIBCPP_CHECK_COMPILER_VERSION | |
182 | AC_DEFUN(GLIBCPP_CHECK_COMPILER_VERSION, [ | |
a4e99046 PE |
183 | # All these tests are for C++; save the language and the compiler flags. |
184 | # The CXXFLAGS thing is suspicious, but based on similar bits | |
185 | # found in GLIBCPP_CONFIGURE. | |
186 | AC_LANG_SAVE | |
187 | AC_LANG_CPLUSPLUS | |
188 | ac_test_CXXFLAGS="${CXXFLAGS+set}" | |
189 | ac_save_CXXFLAGS="$CXXFLAGS" | |
190 | WERROR='-Werror' | |
191 | ||
d3a12960 | 192 | # Sanity check that g++ is capable of dealing with v-3. |
5b80666b | 193 | AC_MSG_CHECKING([for g++ that will successfully compile this code]) |
b2dad0e3 BK |
194 | AC_EGREP_CPP([ok], [ |
195 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) | |
196 | ok | |
197 | #endif | |
198 | ], gpp_satisfactory=yes, AC_MSG_ERROR("please upgrade to gcc-2.95 or above")) | |
199 | AC_MSG_RESULT($gpp_satisfactory) | |
200 | ||
d3a12960 BK |
201 | # Check for pragma system_header. |
202 | AC_MSG_CHECKING([for g++ that supports pragma system_header]) | |
8bd636c5 PE |
203 | CXXFLAGS='-Wunknown-pragmas -Werror' |
204 | AC_TRY_COMPILE([#pragma system_header], [int foo; | |
11a6e9a7 | 205 | ], [ac_newpragma=yes], [ac_newpragma=no]) |
8bd636c5 PE |
206 | if test "$ac_test_CXXFLAGS" = set; then |
207 | CXXFLAGS="$ac_save_CXXFLAGS" | |
208 | else | |
209 | # this is the suspicious part | |
210 | CXXFLAGS='' | |
211 | fi | |
11a6e9a7 PE |
212 | if test "$ac_newpragma" = "no"; then |
213 | WERROR="$WERROR -Wno-unknown-pragmas" | |
8bd636c5 | 214 | fi |
11a6e9a7 | 215 | AC_MSG_RESULT($ac_newpragma) |
8bd636c5 | 216 | |
d3a12960 BK |
217 | # Check for more sophisticated diagnostic control. |
218 | AC_MSG_CHECKING([for g++ that supports -fdiagnostics-show-location=once]) | |
a4e99046 PE |
219 | CXXFLAGS='-fdiagnostics-show-location=once' |
220 | AC_TRY_COMPILE(, [int foo; | |
221 | ], [ac_gabydiags=yes], [ac_gabydiags=no]) | |
222 | if test "$ac_test_CXXFLAGS" = set; then | |
223 | CXXFLAGS="$ac_save_CXXFLAGS" | |
224 | else | |
225 | # this is the suspicious part | |
226 | CXXFLAGS='' | |
227 | fi | |
228 | if test "$ac_gabydiags" = "yes"; then | |
d3a12960 | 229 | FMTFLAGS='-fdiagnostics-show-location=once' |
a4e99046 PE |
230 | fi |
231 | AC_MSG_RESULT($ac_gabydiags) | |
232 | ||
a4e99046 | 233 | AC_LANG_RESTORE |
8bd636c5 | 234 | AC_SUBST(WERROR) |
d3a12960 | 235 | AC_SUBST(FMTFLAGS) |
b2dad0e3 BK |
236 | ]) |
237 | ||
b2dad0e3 BK |
238 | dnl |
239 | dnl Check to see what builtin math functions are supported | |
240 | dnl | |
54fa7415 SK |
241 | dnl check for __builtin_acos |
242 | dnl check for __builtin_acosf | |
243 | dnl check for __builtin_acosl | |
244 | dnl check for __builtin_asin | |
245 | dnl check for __builtin_asinf | |
246 | dnl check for __builtin_asinl | |
247 | dnl check for __builtin_atan | |
248 | dnl check for __builtin_atanf | |
249 | dnl check for __builtin_atanl | |
250 | dnl check for __builtin_atan2 | |
251 | dnl check for __builtin_atan2f | |
252 | dnl check for __builtin_atan2l | |
253 | dnl check for __builtin_ceil | |
254 | dnl check for __builtin_ceilf | |
255 | dnl check for __builtin_ceill | |
256 | dnl check for __builtin_cos | |
257 | dnl check for __builtin_cosf | |
258 | dnl check for __builtin_cosl | |
259 | dnl check for __builtin_cosh | |
260 | dnl check for __builtin_coshf | |
261 | dnl check for __builtin_coshl | |
262 | dnl check for __builtin_exp | |
263 | dnl check for __builtin_expf | |
264 | dnl check for __builtin_expl | |
265 | dnl check for __builtin_fabs | |
266 | dnl check for __builtin_fabsf | |
267 | dnl check for __builtin_fabsl | |
268 | dnl check for __builtin_floor | |
269 | dnl check for __builtin_floorf | |
270 | dnl check for __builtin_floorl | |
5ae55a2e BK |
271 | dnl check for __builtin_fmod |
272 | dnl check for __builtin_fmodf | |
273 | dnl check for __builtin_fmodl | |
54fa7415 SK |
274 | dnl check for __builtin_frexp |
275 | dnl check for __builtin_frexpf | |
276 | dnl check for __builtin_frexpl | |
277 | dnl check for __builtin_ldexp | |
278 | dnl check for __builtin_ldexpf | |
279 | dnl check for __builtin_ldexpl | |
280 | dnl check for __builtin_log | |
281 | dnl check for __builtin_logf | |
282 | dnl check for __builtin_logl | |
283 | dnl check for __builtin_log10 | |
284 | dnl check for __builtin_log10f | |
285 | dnl check for __builtin_log10l | |
286 | dnl check for __builtin_modf | |
287 | dnl check for __builtin_modff | |
288 | dnl check for __builtin_modfl | |
289 | dnl check for __builtin_pow | |
290 | dnl check for __builtin_powf | |
291 | dnl check for __builtin_powl | |
292 | dnl check for __builtin_sin | |
293 | dnl check for __builtin_sinf | |
294 | dnl check for __builtin_sinl | |
295 | dnl check for __builtin_sinh | |
296 | dnl check for __builtin_sinhf | |
297 | dnl check for __builtin_sinhl | |
298 | dnl check for __builtin_sqrt | |
299 | dnl check for __builtin_sqrtf | |
300 | dnl check for __builtin_sqrtl | |
301 | dnl check for __builtin_tan | |
302 | dnl check for __builtin_tanf | |
303 | dnl check for __builtin_tanl | |
304 | dnl check for __builtin_tanh | |
305 | dnl check for __builtin_tanhf | |
306 | dnl check for __builtin_tanhl | |
b2dad0e3 BK |
307 | dnl GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT |
308 | AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT, [ | |
309 | dnl Test for builtin math functions. | |
54fa7415 SK |
310 | AC_LANG_SAVE |
311 | AC_LANG_CPLUSPLUS | |
312 | AC_MSG_CHECKING([for __builtin_acos]) | |
b2dad0e3 | 313 | AC_TRY_COMPILE([#include <math.h>], |
54fa7415 SK |
314 | [ __builtin_acos(0.0);], |
315 | use_builtin_acos=yes, use_builtin_acos=no) | |
316 | AC_MSG_RESULT($use_builtin_acos) | |
317 | if test $use_builtin_acos = "yes"; then | |
318 | AC_DEFINE(HAVE_BUILTIN_ACOS) | |
319 | fi | |
320 | AC_MSG_CHECKING([for __builtin_acosf]) | |
321 | AC_TRY_COMPILE([#include <math.h>], | |
322 | [ __builtin_acosf(0.0);], | |
323 | use_builtin_acosf=yes, use_builtin_acosf=no) | |
324 | AC_MSG_RESULT($use_builtin_acosf) | |
325 | if test $use_builtin_acosf = "yes"; then | |
326 | AC_DEFINE(HAVE_BUILTIN_ACOSF) | |
327 | fi | |
328 | AC_MSG_CHECKING([for __builtin_acosl]) | |
329 | AC_TRY_COMPILE([#include <math.h>], | |
330 | [ __builtin_acosl(0.0);], | |
331 | use_builtin_acosl=yes, use_builtin_acosl=no) | |
332 | AC_MSG_RESULT($use_builtin_acosl) | |
333 | if test $use_builtin_acosl = "yes"; then | |
334 | AC_DEFINE(HAVE_BUILTIN_ACOSL) | |
335 | fi | |
336 | AC_MSG_CHECKING([for __builtin_asin]) | |
337 | AC_TRY_COMPILE([#include <math.h>], | |
338 | [ __builtin_asin(0.0);], | |
339 | use_builtin_asin=yes, use_builtin_asin=no) | |
340 | AC_MSG_RESULT($use_builtin_asin) | |
341 | if test $use_builtin_asin = "yes"; then | |
342 | AC_DEFINE(HAVE_BUILTIN_ASIN) | |
343 | fi | |
344 | AC_MSG_CHECKING([for __builtin_asinf]) | |
345 | AC_TRY_COMPILE([#include <math.h>], | |
346 | [ __builtin_asinf(0.0);], | |
347 | use_builtin_asinf=yes, use_builtin_asinf=no) | |
348 | AC_MSG_RESULT($use_builtin_asinf) | |
349 | if test $use_builtin_asinf = "yes"; then | |
350 | AC_DEFINE(HAVE_BUILTIN_ASINF) | |
351 | fi | |
352 | AC_MSG_CHECKING([for __builtin_asinl]) | |
353 | AC_TRY_COMPILE([#include <math.h>], | |
354 | [ __builtin_asinl(0.0);], | |
355 | use_builtin_asinl=yes, use_builtin_asinl=no) | |
356 | AC_MSG_RESULT($use_builtin_asinl) | |
357 | if test $use_builtin_asinl = "yes"; then | |
358 | AC_DEFINE(HAVE_BUILTIN_ASINL) | |
359 | fi | |
360 | AC_MSG_CHECKING([for __builtin_atan]) | |
361 | AC_TRY_COMPILE([#include <math.h>], | |
362 | [ __builtin_atan(0.0);], | |
363 | use_builtin_atan=yes, use_builtin_atan=no) | |
364 | AC_MSG_RESULT($use_builtin_atan) | |
365 | if test $use_builtin_atan = "yes"; then | |
366 | AC_DEFINE(HAVE_BUILTIN_ATAN) | |
367 | fi | |
368 | AC_MSG_CHECKING([for __builtin_atanf]) | |
369 | AC_TRY_COMPILE([#include <math.h>], | |
370 | [ __builtin_atanf(0.0);], | |
371 | use_builtin_atanf=yes, use_builtin_atanf=no) | |
372 | AC_MSG_RESULT($use_builtin_atanf) | |
373 | if test $use_builtin_atanf = "yes"; then | |
374 | AC_DEFINE(HAVE_BUILTIN_ATANF) | |
375 | fi | |
376 | AC_MSG_CHECKING([for __builtin_atanl]) | |
377 | AC_TRY_COMPILE([#include <math.h>], | |
378 | [ __builtin_atanl(0.0);], | |
379 | use_builtin_atanl=yes, use_builtin_atanl=no) | |
380 | AC_MSG_RESULT($use_builtin_atanl) | |
381 | if test $use_builtin_atanl = "yes"; then | |
382 | AC_DEFINE(HAVE_BUILTIN_ATANL) | |
383 | fi | |
384 | AC_MSG_CHECKING([for __builtin_atan2]) | |
385 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 386 | [ __builtin_atan2(0.0, 0.0);], |
54fa7415 SK |
387 | use_builtin_atan2=yes, use_builtin_atan2=no) |
388 | AC_MSG_RESULT($use_builtin_atan2) | |
389 | if test $use_builtin_atan2 = "yes"; then | |
390 | AC_DEFINE(HAVE_BUILTIN_ATAN2) | |
391 | fi | |
392 | AC_MSG_CHECKING([for __builtin_atan2f]) | |
393 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 394 | [ __builtin_atan2f(0.0, 0.0);], |
54fa7415 SK |
395 | use_builtin_atan2f=yes, use_builtin_atan2f=no) |
396 | AC_MSG_RESULT($use_builtin_atan2f) | |
397 | if test $use_builtin_atan2f = "yes"; then | |
398 | AC_DEFINE(HAVE_BUILTIN_ATAN2F) | |
399 | fi | |
400 | AC_MSG_CHECKING([for __builtin_atan2l]) | |
401 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 402 | [ __builtin_atan2l(0.0, 0.0);], |
54fa7415 SK |
403 | use_builtin_atan2l=yes, use_builtin_atan2l=no) |
404 | AC_MSG_RESULT($use_builtin_atan2l) | |
405 | if test $use_builtin_atan2l = "yes"; then | |
406 | AC_DEFINE(HAVE_BUILTIN_ATAN2L) | |
407 | fi | |
408 | AC_MSG_CHECKING([for __builtin_ceil]) | |
409 | AC_TRY_COMPILE([#include <math.h>], | |
410 | [ __builtin_fceil(0.0);], | |
411 | use_builtin_ceil=yes, use_builtin_ceil=no) | |
412 | AC_MSG_RESULT($use_builtin_ceil) | |
413 | if test $use_builtin_ceil = "yes"; then | |
414 | AC_DEFINE(HAVE_BUILTIN_CEIL) | |
415 | fi | |
416 | AC_MSG_CHECKING([for __builtin_ceilf]) | |
417 | AC_TRY_COMPILE([#include <math.h>], | |
418 | [ __builtin_ceilf(0.0);], | |
419 | use_builtin_ceilf=yes, use_builtin_ceilf=no) | |
420 | AC_MSG_RESULT($use_builtin_ceilf) | |
421 | if test $use_builtin_ceilf = "yes"; then | |
422 | AC_DEFINE(HAVE_BUILTIN_CEILF) | |
423 | fi | |
424 | AC_MSG_CHECKING([for __builtin_ceill]) | |
425 | AC_TRY_COMPILE([#include <math.h>], | |
426 | [ __builtin_ceill(0.0);], | |
427 | use_builtin_ceill=yes, use_builtin_ceill=no) | |
428 | AC_MSG_RESULT($use_builtin_ceill) | |
429 | if test $use_builtin_ceill = "yes"; then | |
430 | AC_DEFINE(HAVE_BUILTIN_CEILL) | |
431 | fi | |
432 | AC_MSG_CHECKING([for __builtin_cos]) | |
433 | AC_TRY_COMPILE([#include <math.h>], | |
434 | [ __builtin_cos(0.0);], | |
435 | use_builtin_cos=yes, use_builtin_cos=no) | |
436 | AC_MSG_RESULT($use_builtin_cos) | |
437 | if test $use_builtin_cos = "yes"; then | |
438 | AC_DEFINE(HAVE_BUILTIN_COS) | |
b2dad0e3 | 439 | fi |
b2dad0e3 BK |
440 | AC_MSG_CHECKING([for __builtin_cosf]) |
441 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 442 | [ __builtin_cosf(0.0);], |
b2dad0e3 BK |
443 | use_builtin_cosf=yes, use_builtin_cosf=no) |
444 | AC_MSG_RESULT($use_builtin_cosf) | |
445 | if test $use_builtin_cosf = "yes"; then | |
54fa7415 SK |
446 | AC_DEFINE(HAVE_BUILTIN_COSF) |
447 | fi | |
448 | AC_MSG_CHECKING([for __builtin_cosl]) | |
449 | AC_TRY_COMPILE([#include <math.h>], | |
450 | [ __builtin_cosl(0.0);], | |
451 | use_builtin_cosl=yes, use_builtin_cosl=no) | |
452 | AC_MSG_RESULT($use_builtin_cosl) | |
453 | if test $use_builtin_cosl = "yes"; then | |
454 | AC_DEFINE(HAVE_BUILTIN_COSL) | |
455 | fi | |
456 | AC_MSG_CHECKING([for __builtin_cosh]) | |
457 | AC_TRY_COMPILE([#include <math.h>], | |
458 | [ __builtin_cosh(0.0);], | |
459 | use_builtin_cosh=yes, use_builtin_cosh=no) | |
460 | AC_MSG_RESULT($use_builtin_cosh) | |
461 | if test $use_builtin_cosh = "yes"; then | |
462 | AC_DEFINE(HAVE_BUILTIN_COSH) | |
463 | fi | |
464 | AC_MSG_CHECKING([for __builtin_coshf]) | |
465 | AC_TRY_COMPILE([#include <math.h>], | |
466 | [ __builtin_coshf(0.0);], | |
467 | use_builtin_coshf=yes, use_builtin_coshf=no) | |
468 | AC_MSG_RESULT($use_builtin_coshf) | |
469 | if test $use_builtin_coshf = "yes"; then | |
470 | AC_DEFINE(HAVE_BUILTIN_COSHF) | |
471 | fi | |
472 | AC_MSG_CHECKING([for __builtin_coshl]) | |
473 | AC_TRY_COMPILE([#include <math.h>], | |
474 | [ __builtin_coshl(0.0);], | |
475 | use_builtin_coshl=yes, use_builtin_coshl=no) | |
476 | AC_MSG_RESULT($use_builtin_coshl) | |
477 | if test $use_builtin_coshl = "yes"; then | |
478 | AC_DEFINE(HAVE_BUILTIN_COSHL) | |
479 | fi | |
480 | AC_MSG_CHECKING([for __builtin_exp]) | |
481 | AC_TRY_COMPILE([#include <math.h>], | |
482 | [ __builtin_exp(0.0);], | |
483 | use_builtin_exp=yes, use_builtin_exp=no) | |
484 | AC_MSG_RESULT($use_builtin_exp) | |
485 | if test $use_builtin_exp = "yes"; then | |
486 | AC_DEFINE(HAVE_BUILTIN_EXP) | |
487 | fi | |
488 | AC_MSG_CHECKING([for __builtin_expf]) | |
489 | AC_TRY_COMPILE([#include <math.h>], | |
490 | [ __builtin_expf(0.0);], | |
491 | use_builtin_expf=yes, use_builtin_expf=no) | |
492 | AC_MSG_RESULT($use_builtin_expf) | |
493 | if test $use_builtin_expf = "yes"; then | |
494 | AC_DEFINE(HAVE_BUILTIN_EXPF) | |
495 | fi | |
496 | AC_MSG_CHECKING([for __builtin_expl]) | |
497 | AC_TRY_COMPILE([#include <math.h>], | |
498 | [ __builtin_expl(0.0);], | |
499 | use_builtin_expl=yes, use_builtin_expl=no) | |
500 | AC_MSG_RESULT($use_builtin_expl) | |
501 | if test $use_builtin_expl = "yes"; then | |
502 | AC_DEFINE(HAVE_BUILTIN_EXPL) | |
503 | fi | |
504 | AC_MSG_CHECKING([for __builtin_fabs]) | |
505 | AC_TRY_COMPILE([#include <math.h>], | |
506 | [ __builtin_fabs(0.0);], | |
507 | use_builtin_fabs=yes, use_builtin_fabs=no) | |
508 | AC_MSG_RESULT($use_builtin_fabs) | |
509 | if test $use_builtin_fabs = "yes"; then | |
510 | AC_DEFINE(HAVE_BUILTIN_FABS) | |
b2dad0e3 | 511 | fi |
b2dad0e3 BK |
512 | AC_MSG_CHECKING([for __builtin_fabsf]) |
513 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 514 | [ __builtin_fabsf(0.0);], |
b2dad0e3 BK |
515 | use_builtin_fabsf=yes, use_builtin_fabsf=no) |
516 | AC_MSG_RESULT($use_builtin_fabsf) | |
517 | if test $use_builtin_fabsf = "yes"; then | |
54fa7415 SK |
518 | AC_DEFINE(HAVE_BUILTIN_FABSF) |
519 | fi | |
520 | AC_MSG_CHECKING([for __builtin_fabsl]) | |
521 | AC_TRY_COMPILE([#include <math.h>], | |
522 | [ __builtin_fabsl(0.0);], | |
523 | use_builtin_fabsl=yes, use_builtin_fabsl=no) | |
524 | AC_MSG_RESULT($use_builtin_fabsl) | |
525 | if test $use_builtin_fabsl = "yes"; then | |
526 | AC_DEFINE(HAVE_BUILTIN_FABSL) | |
527 | fi | |
528 | AC_MSG_CHECKING([for __builtin_floor]) | |
529 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 530 | [ __builtin_floor(0.0);], |
54fa7415 SK |
531 | use_builtin_floor=yes, use_builtin_floor=no) |
532 | AC_MSG_RESULT($use_builtin_floor) | |
533 | if test $use_builtin_floor = "yes"; then | |
534 | AC_DEFINE(HAVE_BUILTIN_FLOOR) | |
535 | fi | |
536 | AC_MSG_CHECKING([for __builtin_floorf]) | |
537 | AC_TRY_COMPILE([#include <math.h>], | |
538 | [ __builtin_floorf(0.0);], | |
539 | use_builtin_floorf=yes, use_builtin_floorf=no) | |
540 | AC_MSG_RESULT($use_builtin_floorf) | |
541 | if test $use_builtin_floorf = "yes"; then | |
542 | AC_DEFINE(HAVE_BUILTIN_FLOORF) | |
543 | fi | |
544 | AC_MSG_CHECKING([for __builtin_floorl]) | |
545 | AC_TRY_COMPILE([#include <math.h>], | |
546 | [ __builtin_floorl(0.0);], | |
547 | use_builtin_floorl=yes, use_builtin_floorl=no) | |
548 | AC_MSG_RESULT($use_builtin_floorl) | |
549 | if test $use_builtin_floorl = "yes"; then | |
550 | AC_DEFINE(HAVE_BUILTIN_FLOORL) | |
551 | fi | |
5ae55a2e BK |
552 | AC_MSG_CHECKING([for __builtin_fmod]) |
553 | AC_TRY_COMPILE([#include <math.h>], | |
554 | [ __builtin_fmod(0.0, 0.0);], | |
555 | use_builtin_fmod=yes, use_builtin_fmod=no) | |
556 | AC_MSG_RESULT($use_builtin_fmod) | |
557 | if test $use_builtin_fmod = "yes"; then | |
558 | AC_DEFINE(HAVE_BUILTIN_FMOD) | |
559 | fi | |
560 | AC_MSG_CHECKING([for __builtin_fmodf]) | |
561 | AC_TRY_COMPILE([#include <math.h>], | |
562 | [ __builtin_fmodf(0.0, 0.0);], | |
563 | use_builtin_fmodf=yes, use_builtin_fmodf=no) | |
564 | AC_MSG_RESULT($use_builtin_fmodf) | |
565 | if test $use_builtin_fmodf = "yes"; then | |
566 | AC_DEFINE(HAVE_BUILTIN_FMODF) | |
567 | fi | |
568 | AC_MSG_CHECKING([for __builtin_fmodl]) | |
569 | AC_TRY_COMPILE([#include <math.h>], | |
570 | [ __builtin_fmodl(0.0, 0.0);], | |
571 | use_builtin_fmodl=yes, use_builtin_fmodl=no) | |
572 | AC_MSG_RESULT($use_builtin_fmodl) | |
573 | if test $use_builtin_fmodl = "yes"; then | |
574 | AC_DEFINE(HAVE_BUILTIN_FMODL) | |
575 | fi | |
54fa7415 SK |
576 | AC_MSG_CHECKING([for __builtin_frexp]) |
577 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 578 | [ __builtin_frexp(0.0, 0);], |
54fa7415 SK |
579 | use_builtin_frexp=yes, use_builtin_frexp=no) |
580 | AC_MSG_RESULT($use_builtin_frexp) | |
581 | if test $use_builtin_frexp = "yes"; then | |
582 | AC_DEFINE(HAVE_BUILTIN_FREXP) | |
583 | fi | |
584 | AC_MSG_CHECKING([for __builtin_frexpf]) | |
585 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 586 | [ __builtin_frexpf(0.0, 0);], |
54fa7415 SK |
587 | use_builtin_frexpf=yes, use_builtin_frexpf=no) |
588 | AC_MSG_RESULT($use_builtin_frexpf) | |
589 | if test $use_builtin_frexpf = "yes"; then | |
590 | AC_DEFINE(HAVE_BUILTIN_FREXPF) | |
591 | fi | |
592 | AC_MSG_CHECKING([for __builtin_frexpl]) | |
593 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 594 | [ __builtin_frexpl(0.0, 0);], |
54fa7415 SK |
595 | use_builtin_frexpl=yes, use_builtin_frexpl=no) |
596 | AC_MSG_RESULT($use_builtin_frexpl) | |
597 | if test $use_builtin_frexpl = "yes"; then | |
598 | AC_DEFINE(HAVE_BUILTIN_FREXPL) | |
599 | fi | |
600 | AC_MSG_CHECKING([for __builtin_ldexp]) | |
601 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 602 | [ __builtin_ldexp(0.0, 0);], |
54fa7415 SK |
603 | use_builtin_ldexp=yes, use_builtin_ldexp=no) |
604 | AC_MSG_RESULT($use_builtin_ldexp) | |
605 | if test $use_builtin_ldexp = "yes"; then | |
606 | AC_DEFINE(HAVE_BUILTIN_LDEXP) | |
607 | fi | |
608 | AC_MSG_CHECKING([for __builtin_ldexpf]) | |
609 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 610 | [ __builtin_ldexpf(0.0, 0);], |
54fa7415 SK |
611 | use_builtin_ldexpf=yes, use_builtin_ldexpf=no) |
612 | AC_MSG_RESULT($use_builtin_ldexpf) | |
613 | if test $use_builtin_ldexpf = "yes"; then | |
614 | AC_DEFINE(HAVE_BUILTIN_LDEXPF) | |
615 | fi | |
616 | AC_MSG_CHECKING([for __builtin_ldexpl]) | |
617 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 618 | [ __builtin_ldexpl(0.0, 0);], |
54fa7415 SK |
619 | use_builtin_ldexpl=yes, use_builtin_ldexpl=no) |
620 | AC_MSG_RESULT($use_builtin_ldexpl) | |
621 | if test $use_builtin_ldexpl = "yes"; then | |
622 | AC_DEFINE(HAVE_BUILTIN_LDEXPL) | |
623 | fi | |
624 | AC_MSG_CHECKING([for __builtin_log]) | |
625 | AC_TRY_COMPILE([#include <math.h>], | |
626 | [ __builtin_log(0.0);], | |
627 | use_builtin_log=yes, use_builtin_log=no) | |
628 | AC_MSG_RESULT($use_builtin_log) | |
629 | if test $use_builtin_log = "yes"; then | |
630 | AC_DEFINE(HAVE_BUILTIN_LOG) | |
631 | fi | |
632 | AC_MSG_CHECKING([for __builtin_logf]) | |
633 | AC_TRY_COMPILE([#include <math.h>], | |
634 | [ __builtin_logf(0.0);], | |
635 | use_builtin_logf=yes, use_builtin_logf=no) | |
636 | AC_MSG_RESULT($use_builtin_logf) | |
637 | if test $use_builtin_logf = "yes"; then | |
638 | AC_DEFINE(HAVE_BUILTIN_LOGF) | |
639 | fi | |
640 | AC_MSG_CHECKING([for __builtin_logl]) | |
641 | AC_TRY_COMPILE([#include <math.h>], | |
642 | [ __builtin_logl(0.0);], | |
643 | use_builtin_logl=yes, use_builtin_logl=no) | |
644 | AC_MSG_RESULT($use_builtin_logl) | |
645 | if test $use_builtin_logl = "yes"; then | |
646 | AC_DEFINE(HAVE_BUILTIN_LOGL) | |
647 | fi | |
648 | AC_MSG_CHECKING([for __builtin_log10]) | |
649 | AC_TRY_COMPILE([#include <math.h>], | |
650 | [ __builtin_log10(0.0);], | |
651 | use_builtin_log10=yes, use_builtin_log10=no) | |
652 | AC_MSG_RESULT($use_builtin_log10) | |
653 | if test $use_builtin_log10 = "yes"; then | |
654 | AC_DEFINE(HAVE_BUILTIN_LOG10) | |
655 | fi | |
656 | AC_MSG_CHECKING([for __builtin_log10f]) | |
657 | AC_TRY_COMPILE([#include <math.h>], | |
658 | [ __builtin_log10f(0.0);], | |
659 | use_builtin_log10f=yes, use_builtin_log10f=no) | |
660 | AC_MSG_RESULT($use_builtin_log10f) | |
661 | if test $use_builtin_log10f = "yes"; then | |
662 | AC_DEFINE(HAVE_BUILTIN_LOG10F) | |
663 | fi | |
664 | AC_MSG_CHECKING([for __builtin_log10l]) | |
665 | AC_TRY_COMPILE([#include <math.h>], | |
666 | [ __builtin_log10l(0.0);], | |
667 | use_builtin_log10l=yes, use_builtin_log10l=no) | |
668 | AC_MSG_RESULT($use_builtin_log10l) | |
669 | if test $use_builtin_log10l = "yes"; then | |
670 | AC_DEFINE(HAVE_BUILTIN_LOG10L) | |
671 | fi | |
672 | AC_MSG_CHECKING([for __builtin_modf]) | |
673 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 674 | [ __builtin_modf(0.0, 0);], |
54fa7415 SK |
675 | use_builtin_modf=yes, use_builtin_modf=no) |
676 | AC_MSG_RESULT($use_builtin_modf) | |
677 | if test $use_builtin_modf = "yes"; then | |
678 | AC_DEFINE(HAVE_BUILTIN_MODF) | |
679 | fi | |
680 | AC_MSG_CHECKING([for __builtin_modff]) | |
681 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 682 | [ __builtin_modff(0.0, 0);], |
54fa7415 SK |
683 | use_builtin_modff=yes, use_builtin_modff=no) |
684 | AC_MSG_RESULT($use_builtin_modff) | |
685 | if test $use_builtin_modff = "yes"; then | |
686 | AC_DEFINE(HAVE_BUILTIN_MODFF) | |
687 | fi | |
688 | AC_MSG_CHECKING([for __builtin_modfl]) | |
689 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 690 | [ __builtin_modfl(0.0, 0);], |
54fa7415 SK |
691 | use_builtin_modfl=yes, use_builtin_modfl=no) |
692 | AC_MSG_RESULT($use_builtin_modfl) | |
693 | if test $use_builtin_modfl = "yes"; then | |
694 | AC_DEFINE(HAVE_BUILTIN_MODFL) | |
695 | fi | |
696 | AC_MSG_CHECKING([for __builtin_pow]) | |
697 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 698 | [ __builtin_pow(0.0, 0.0);], |
54fa7415 SK |
699 | use_builtin_pow=yes, use_builtin_pow=no) |
700 | AC_MSG_RESULT($use_builtin_pow) | |
701 | if test $use_builtin_pow = "yes"; then | |
702 | AC_DEFINE(HAVE_BUILTIN_POW) | |
703 | fi | |
704 | AC_MSG_CHECKING([for __builtin_powf]) | |
705 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 706 | [ __builtin_powf(0.0, 0.0);], |
54fa7415 SK |
707 | use_builtin_powf=yes, use_builtin_powf=no) |
708 | AC_MSG_RESULT($use_builtin_powf) | |
709 | if test $use_builtin_powf = "yes"; then | |
710 | AC_DEFINE(HAVE_BUILTIN_POWF) | |
711 | fi | |
712 | AC_MSG_CHECKING([for __builtin_powl]) | |
713 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 714 | [ __builtin_powl(0.0, 0.0);], |
54fa7415 SK |
715 | use_builtin_powl=yes, use_builtin_powl=no) |
716 | AC_MSG_RESULT($use_builtin_powl) | |
717 | if test $use_builtin_powl = "yes"; then | |
718 | AC_DEFINE(HAVE_BUILTIN_POWL) | |
719 | fi | |
720 | AC_MSG_CHECKING([for __builtin_sin]) | |
721 | AC_TRY_COMPILE([#include <math.h>], | |
722 | [ __builtin_sin(0.0);], | |
723 | use_builtin_sin=yes, use_builtin_sin=no) | |
724 | AC_MSG_RESULT($use_builtin_sin) | |
725 | if test $use_builtin_sin = "yes"; then | |
726 | AC_DEFINE(HAVE_BUILTIN_SIN) | |
727 | fi | |
728 | AC_MSG_CHECKING([for __builtin_sinf]) | |
729 | AC_TRY_COMPILE([#include <math.h>], | |
730 | [ __builtin_sinf(0.0);], | |
731 | use_builtin_sinf=yes, use_builtin_sinf=no) | |
732 | AC_MSG_RESULT($use_builtin_sinf) | |
733 | if test $use_builtin_sinf = "yes"; then | |
734 | AC_DEFINE(HAVE_BUILTIN_SINF) | |
735 | fi | |
736 | AC_MSG_CHECKING([for __builtin_sinl]) | |
737 | AC_TRY_COMPILE([#include <math.h>], | |
738 | [ __builtin_sinl(0.0);], | |
739 | use_builtin_sinl=yes, use_builtin_sinl=no) | |
740 | AC_MSG_RESULT($use_builtin_sinl) | |
741 | if test $use_builtin_sinl = "yes"; then | |
742 | AC_DEFINE(HAVE_BUILTIN_SINL) | |
743 | fi | |
744 | AC_MSG_CHECKING([for __builtin_sinh]) | |
745 | AC_TRY_COMPILE([#include <math.h>], | |
746 | [ __builtin_sinh(0.0);], | |
747 | use_builtin_sinh=yes, use_builtin_sinh=no) | |
748 | AC_MSG_RESULT($use_builtin_sinh) | |
749 | if test $use_builtin_sinh = "yes"; then | |
750 | AC_DEFINE(HAVE_BUILTIN_SINH) | |
751 | fi | |
752 | AC_MSG_CHECKING([for __builtin_sinhf]) | |
753 | AC_TRY_COMPILE([#include <math.h>], | |
754 | [ __builtin_sinhf(0.0);], | |
755 | use_builtin_sinhf=yes, use_builtin_sinhf=no) | |
756 | AC_MSG_RESULT($use_builtin_sinhf) | |
757 | if test $use_builtin_sinhf = "yes"; then | |
758 | AC_DEFINE(HAVE_BUILTIN_SINHF) | |
759 | fi | |
760 | AC_MSG_CHECKING([for __builtin_sinhl]) | |
761 | AC_TRY_COMPILE([#include <math.h>], | |
762 | [ __builtin_sinhl(0.0);], | |
763 | use_builtin_sinhl=yes, use_builtin_sinhl=no) | |
764 | AC_MSG_RESULT($use_builtin_sinhl) | |
765 | if test $use_builtin_sinhl = "yes"; then | |
766 | AC_DEFINE(HAVE_BUILTIN_SINHL) | |
767 | fi | |
768 | AC_MSG_CHECKING([for __builtin_sqrt]) | |
769 | AC_TRY_COMPILE([#include <math.h>], | |
770 | [ __builtin_fsqrt(0.0);], | |
771 | use_builtin_sqrt=yes, use_builtin_sqrt=no) | |
772 | AC_MSG_RESULT($use_builtin_sqrt) | |
773 | if test $use_builtin_sqrt = "yes"; then | |
774 | AC_DEFINE(HAVE_BUILTIN_SQRT) | |
b2dad0e3 | 775 | fi |
b2dad0e3 BK |
776 | AC_MSG_CHECKING([for __builtin_sqrtf]) |
777 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 778 | [ __builtin_sqrtf(0.0);], |
b2dad0e3 BK |
779 | use_builtin_sqrtf=yes, use_builtin_sqrtf=no) |
780 | AC_MSG_RESULT($use_builtin_sqrtf) | |
781 | if test $use_builtin_sqrtf = "yes"; then | |
54fa7415 | 782 | AC_DEFINE(HAVE_BUILTIN_SQRTF) |
b2dad0e3 | 783 | fi |
54fa7415 SK |
784 | AC_MSG_CHECKING([for __builtin_sqrtl]) |
785 | AC_TRY_COMPILE([#include <math.h>], | |
786 | [ __builtin_sqrtl(0.0);], | |
787 | use_builtin_sqrtl=yes, use_builtin_sqrtl=no) | |
788 | AC_MSG_RESULT($use_builtin_sqrtl) | |
789 | if test $use_builtin_sqrtl = "yes"; then | |
790 | AC_DEFINE(HAVE_BUILTIN_SQRTL) | |
791 | fi | |
792 | AC_MSG_CHECKING([for __builtin_tan]) | |
793 | AC_TRY_COMPILE([#include <math.h>], | |
794 | [ __builtin_tan(0.0);], | |
795 | use_builtin_tan=yes, use_builtin_tan=no) | |
796 | AC_MSG_RESULT($use_builtin_tan) | |
797 | if test $use_builtin_tan = "yes"; then | |
798 | AC_DEFINE(HAVE_BUILTIN_TAN) | |
799 | fi | |
800 | AC_MSG_CHECKING([for __builtin_tanf]) | |
801 | AC_TRY_COMPILE([#include <math.h>], | |
802 | [ __builtin_tanf(0.0);], | |
803 | use_builtin_tanf=yes, use_builtin_tanf=no) | |
804 | AC_MSG_RESULT($use_builtin_tanf) | |
805 | if test $use_builtin_tanf = "yes"; then | |
806 | AC_DEFINE(HAVE_BUILTIN_TANF) | |
807 | fi | |
808 | AC_MSG_CHECKING([for __builtin_tanl]) | |
809 | AC_TRY_COMPILE([#include <math.h>], | |
810 | [ __builtin_tanl(0.0);], | |
811 | use_builtin_tanl=yes, use_builtin_tanl=no) | |
812 | AC_MSG_RESULT($use_builtin_tanl) | |
813 | if test $use_builtin_tanl = "yes"; then | |
814 | AC_DEFINE(HAVE_BUILTIN_TANL) | |
815 | fi | |
816 | AC_MSG_CHECKING([for __builtin_tanh]) | |
817 | AC_TRY_COMPILE([#include <math.h>], | |
818 | [ __builtin_tanh(0.0);], | |
819 | use_builtin_tanh=yes, use_builtin_tanh=no) | |
820 | AC_MSG_RESULT($use_builtin_tanh) | |
821 | if test $use_builtin_tanh = "yes"; then | |
822 | AC_DEFINE(HAVE_BUILTIN_TANH) | |
823 | fi | |
824 | AC_MSG_CHECKING([for __builtin_tanhf]) | |
825 | AC_TRY_COMPILE([#include <math.h>], | |
826 | [ __builtin_tanhf(0.0);], | |
827 | use_builtin_tanhf=yes, use_builtin_tanhf=no) | |
828 | AC_MSG_RESULT($use_builtin_tanhf) | |
829 | if test $use_builtin_tanhf = "yes"; then | |
830 | AC_DEFINE(HAVE_BUILTIN_TANHF) | |
831 | fi | |
832 | AC_MSG_CHECKING([for __builtin_tanhl]) | |
833 | AC_TRY_COMPILE([#include <math.h>], | |
834 | [ __builtin_tanhl(0.0);], | |
835 | use_builtin_tanhl=yes, use_builtin_tanhl=no) | |
836 | AC_MSG_RESULT($use_builtin_tanhl) | |
837 | if test $use_builtin_tanhl = "yes"; then | |
838 | AC_DEFINE(HAVE_BUILTIN_TANHL) | |
839 | fi | |
840 | AC_LANG_RESTORE | |
b2dad0e3 BK |
841 | ]) |
842 | ||
843 | ||
54fa7415 | 844 | |
b2dad0e3 BK |
845 | dnl Check to see what architecture we are compiling for. If it's |
846 | dnl supported, use special hand-crafted routines to provide thread | |
cde28f0d BK |
847 | dnl primitives. Also, if architecture-specific flags are required for |
848 | dnl compilation, add them here. | |
b2dad0e3 | 849 | dnl |
f3b004d8 BK |
850 | dnl Depending on what is found, select configure/cpu/*/bits/atomicity.h |
851 | dnl If not found, select configure/cpu/generic/bits/atomicity.h | |
b2dad0e3 BK |
852 | dnl |
853 | dnl GLIBCPP_CHECK_CPU | |
854 | AC_DEFUN(GLIBCPP_CHECK_CPU, [ | |
855 | AC_MSG_CHECKING([for cpu primitives directory]) | |
cde28f0d | 856 | CPUFLAGS= |
b2dad0e3 BK |
857 | case "$target_cpu" in |
858 | alpha*) | |
859 | cpu_include_dir="config/cpu/alpha" | |
860 | ;; | |
861 | arm*) | |
862 | cpu_include_dir="config/cpu/arm" | |
863 | ;; | |
bf93f43b | 864 | i386) |
b2dad0e3 | 865 | cpu_include_dir="config/cpu/i386" |
bf93f43b BK |
866 | ;; |
867 | i486 | i586 | i686 | i786) | |
868 | cpu_include_dir="config/cpu/i486" | |
b2dad0e3 BK |
869 | ;; |
870 | powerpc | rs6000) | |
871 | cpu_include_dir="config/cpu/powerpc" | |
7b267e3e | 872 | CPUFLAGS='-mcpu=powerpc' |
b2dad0e3 BK |
873 | ;; |
874 | sparc64 | ultrasparc) | |
875 | cpu_include_dir="config/cpu/sparc/sparc64" | |
876 | ;; | |
877 | sparc*) | |
878 | cpu_include_dir="config/cpu/sparc/sparc32" | |
879 | ;; | |
880 | *) | |
881 | cpu_include_dir="config/cpu/generic" | |
882 | ;; | |
883 | esac | |
884 | AC_MSG_RESULT($cpu_include_dir) | |
885 | AC_SUBST(cpu_include_dir) | |
cde28f0d | 886 | AC_SUBST(CPUFLAGS) |
b2dad0e3 BK |
887 | ]) |
888 | ||
889 | ||
890 | dnl | |
891 | dnl Check to see what the underlying c library's interface to ctype looks | |
892 | dnl like. Bits of locale rely on things like isspace, toupper, etc. This | |
893 | dnl stuff makes sure the right bits from the clibrary get called. | |
894 | dnl | |
895 | dnl Depending on what is found, select various configure/*/bits/ctype_base.h | |
896 | dnl Depending on what is found, select various configure/*/ctype.cc | |
897 | dnl | |
898 | dnl GLIBCPP_CHECK_CTYPE | |
899 | AC_DEFUN(GLIBCPP_CHECK_CTYPE, [ | |
900 | AC_CHECK_HEADER(ctype.h, [ | |
901 | ||
902 | dnl If doesn't match any specified, go with defaults. | |
903 | ctype_default=yes | |
904 | ||
905 | dnl Test for <ctype> functionality -- gnu-linux | |
8445e42a | 906 | AC_MSG_CHECKING([<ctype> for gnu-linux ]) |
b2dad0e3 BK |
907 | AC_TRY_COMPILE([#include <ctype.h>], |
908 | [int | |
909 | foo (int a) | |
910 | { return _ISspace + _ISprint + _IScntrl + _ISupper + _ISlower + _ISalpha \ | |
911 | + _ISdigit + _ISpunct + _ISxdigit + _ISalnum + _ISgraph \ | |
912 | + __ctype_tolower[a] + __ctype_toupper[a] + __ctype_b[a];}], \ | |
913 | ctype_linux=yes, ctype_linux=no) | |
914 | AC_MSG_RESULT($ctype_linux) | |
915 | if test $ctype_linux = "yes"; then | |
916 | ctype_include_dir="config/gnu-linux" | |
917 | ctype_default=no | |
918 | fi | |
919 | ||
6ad50467 | 920 | dnl Test for <ctype> functionality -- FreeBSD 4.0 |
65dd21b7 | 921 | if test $ctype_default = "yes"; then |
6ad50467 | 922 | AC_MSG_CHECKING([<ctype> for freebsd 4.0 ]) |
7b267e3e BK |
923 | AC_TRY_COMPILE([#include <ctype.h>], |
924 | [int | |
925 | foo (int a) | |
926 | { return _CTYPE_S + _CTYPE_R + _CTYPE_C + _CTYPE_U + _CTYPE_L + _CTYPE_A \ | |
927 | + _CTYPE_D + _CTYPE_P + _CTYPE_X + _CTYPE_G ;}], \ | |
928 | ctype_bsd=yes, ctype_bsd=no) | |
929 | AC_MSG_RESULT($ctype_bsd) | |
930 | if test $ctype_bsd = "yes"; then | |
6ad50467 BK |
931 | ctype_include_dir="config/bsd" |
932 | ctype_default=no | |
933 | fi | |
65dd21b7 | 934 | fi |
6ad50467 BK |
935 | |
936 | dnl Test for <ctype> functionality -- FreeBSD 3.4 | |
65dd21b7 | 937 | if test $ctype_default = "yes"; then |
6ad50467 BK |
938 | AC_MSG_CHECKING([<ctype> for freebsd 3.4 ]) |
939 | AC_TRY_COMPILE([#include <ctype.h>], | |
940 | [int | |
941 | foo (int a) | |
942 | { return _S + _R + _C + _U + _L + _A \ | |
943 | + _D + _P + _X + _G + __istype (a, 0);}], \ | |
944 | ctype_freebsd34=yes, ctype_freebsd34=no) | |
945 | AC_MSG_RESULT($ctype_freebsd34) | |
946 | if test $ctype_freebsd34 = "yes"; then | |
7b267e3e BK |
947 | ctype_include_dir="config/bsd" |
948 | ctype_default=no | |
949 | fi | |
65dd21b7 | 950 | fi |
7b267e3e | 951 | |
b2dad0e3 BK |
952 | dnl Test for <ctype> functionality -- solaris 2.6 and 2.7 |
953 | if test $ctype_default = "yes"; then | |
8445e42a | 954 | AC_MSG_CHECKING([<ctype> for solaris 2.[6,7,8] ]) |
b2dad0e3 BK |
955 | AC_TRY_COMPILE([#include <ctype.h>], |
956 | [int | |
957 | foo (int a) | |
958 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
959 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
960 | + __trans_lower[a] + __trans_upper[a] + __ctype_mask[a];}], \ | |
961 | ctype_solaris=yes, ctype_solaris=no) | |
962 | AC_MSG_RESULT($ctype_solaris) | |
963 | ||
964 | if test $ctype_solaris = "yes"; then | |
965 | AC_MSG_CHECKING([ for version]) | |
966 | AC_LANG_CPLUSPLUS | |
967 | AC_TRY_COMPILE([#include <ctype.h>], | |
968 | [typedef long* __to_type; __to_type const& _M_toupper = __trans_upper;],\ | |
969 | ctype_solaris26=yes, ctype_solaris26=no) | |
970 | AC_LANG_C | |
971 | if test $ctype_solaris26 = "yes"; then | |
972 | ctype_include_dir="config/solaris/solaris2.6" | |
973 | AC_MSG_RESULT("solaris2.6") | |
974 | ctype_default=no | |
975 | else | |
976 | ctype_include_dir="config/solaris/solaris2.7" | |
32a4595e | 977 | AC_MSG_RESULT("solaris2.[7,8]") |
b2dad0e3 BK |
978 | ctype_default=no |
979 | fi | |
980 | fi | |
981 | fi | |
982 | ||
983 | dnl Test for <ctype> functionality -- solaris 2.5.1 | |
984 | if test $ctype_default = "yes"; then | |
8445e42a | 985 | AC_MSG_CHECKING([<ctype> for solaris 2.5.1 ]) |
b2dad0e3 BK |
986 | AC_TRY_COMPILE([#include <ctype.h>], |
987 | [int | |
988 | foo (int a) | |
989 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
990 | + __ctype[a];}], \ | |
991 | ctype_solaris25=yes, ctype_solaris25=no) | |
992 | AC_MSG_RESULT($ctype_solaris25) | |
993 | if test $ctype_solaris25 = "yes"; then | |
994 | ctype_include_dir="config/solaris/solaris2.5" | |
995 | ctype_default=no | |
996 | fi | |
997 | fi | |
998 | ||
999 | dnl Test for <ctype> functionality -- aix | |
1000 | if test $ctype_default = "yes"; then | |
8445e42a | 1001 | AC_MSG_CHECKING([<ctype> for aix ]) |
b2dad0e3 BK |
1002 | AC_TRY_COMPILE([#include <ctype.h>], |
1003 | [int | |
1004 | foo (int a) | |
1005 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
1006 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
1007 | + _VALC('a') + _IS('c', 0);}], \ | |
1008 | ctype_aix=yes, ctype_aix=no) | |
1009 | AC_MSG_RESULT($ctype_aix) | |
1010 | if test $ctype_aix = "yes"; then | |
1011 | ctype_include_dir="config/aix" | |
1012 | ctype_default=no | |
1013 | fi | |
1014 | fi | |
1015 | ||
1016 | dnl Test for <ctype> functionality -- newlib | |
1017 | if test $ctype_default = "yes"; then | |
8445e42a | 1018 | AC_MSG_CHECKING([<ctype> for newlib ]) |
b2dad0e3 BK |
1019 | AC_TRY_COMPILE([#include <ctype.h>], |
1020 | [int | |
1021 | foo (int a) | |
1022 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
1023 | + _ctype_[a];}], \ | |
1024 | ctype_newlib=yes, ctype_newlib=no) | |
1025 | AC_MSG_RESULT($ctype_newlib) | |
1026 | if test $ctype_newlib = "yes"; then | |
1027 | ctype_include_dir="config/newlib" | |
1028 | ctype_default=no | |
1029 | fi | |
1030 | fi | |
1031 | ||
1032 | if test $ctype_default = "yes"; then | |
1033 | ctype_include_dir="config/generic" | |
1034 | AC_MSG_WARN("Using default ctype headers.") | |
1035 | fi | |
1036 | AC_SUBST(ctype_include_dir) | |
1037 | ]) | |
1038 | ]) | |
1039 | ||
1040 | ||
1041 | dnl | |
1042 | dnl Check to see what the underlying c library or math library is like. | |
1043 | dnl | |
1044 | dnl Define HAVE_CARGF etc if "cargf" is found. | |
1045 | dnl | |
1046 | dnl GLIBCPP_CHECK_MATH_SUPPORT | |
1047 | AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [ | |
1048 | AC_CHECK_LIB(m, sin, libm="-lm") | |
1049 | save_LIBS="$LIBS" | |
1050 | LIBS="$LIBS $libm" | |
1051 | ||
1052 | dnl Check for complex versions of math functions of platform. | |
1053 | AC_CHECK_HEADERS([complex.h]) | |
1054 | AC_REPLACE_MATHFUNCS(ccos ccosf ccosh ccoshf cexp cexpf c_log c_logf \ | |
1055 | clog10 clog10f cpow cpowf csin csinf csinh csinhf csqrt csqrtf \ | |
1056 | ctan ctanf ctanh ctanhf \ | |
1057 | carg cargf nan hypot hypotf atan2f expf copysignf) | |
1058 | ||
1059 | dnl We compile the long double complex functions only if the function | |
f3b004d8 | 1060 | dnl provides the non-complex long double functions. |
b2dad0e3 | 1061 | USE_LONG_DOUBLE=no |
f3b004d8 | 1062 | AC_CHECK_FUNC(copysignl, |
b2dad0e3 BK |
1063 | USE_LONG_DOUBLE=yes |
1064 | AC_REPLACE_MATHFUNCS(ccoshl ccosl cexpl cpowl csinhl csinl \ | |
1065 | csqrtl ctanhl ctanl cargl hypotl signbitl c_logl clog10l)) | |
1066 | AC_SUBST(USE_LONG_DOUBLE) | |
1067 | ||
54fa7415 | 1068 | dnl Check to see if basic C math functions have float, long double versions. |
6c820cf2 | 1069 | AC_REPLACE_MATHFUNCS(cosf fabsf sinf sqrtf) |
54fa7415 | 1070 | AC_CHECK_FUNCS(isnan isnanf isnanl isinf isinff isinfl copysign copysignl \ |
6c820cf2 | 1071 | acosf acosl asinf asinl atanf atanl atan2f atan2l ceilf ceill cosl \ |
5ae55a2e BK |
1072 | coshf coshl expf expl fabsl floorf floorl fmodf fmodl frexpf frexpl ldexpf \ |
1073 | ldexpl logf logl log10f log10l modff modfl powf powl sinl sinhf \ | |
6c820cf2 | 1074 | sinhl sqrtl tanf tanl tanhf tanhl strtof strtold sincos sincosf \ |
54fa7415 | 1075 | sincosl finite finitef finitel fqfinite fpclass qfpclass) |
b2dad0e3 BK |
1076 | |
1077 | #Some runtimes have these functions with a preceding underscore. Please | |
1078 | # keep this sync'd with the one above. And if you add any new symbol, | |
1079 | # please add the corresponding block in the @BOTTOM@ section of | |
1080 | # acconfig.h. | |
54fa7415 SK |
1081 | |
1082 | AC_CHECK_FUNCS(_isnan _isnanf _isnanl _isinf _isinff _isinfl _copysign \ | |
1083 | _copysignl _acosf _acosl _asinf _asinl _atanf _atanl _atan2f _atan2l \ | |
1084 | _ceilf _ceill _cosf _cosl _coshf _coshl _expf _expl _fabsf _fabsl \ | |
5ae55a2e BK |
1085 | _floorf _floorl _fmodf _fmodl _frexpf _frexpl _ldexpf _ldexpl _logf _logl \ |
1086 | _log10f _log10l _modff _modfl _powf _powl _sinf _sinl _sinhf _sinhl \ | |
1087 | _sqrtf _sqrtl _tanf _tanl _tanhf _tanhl _strtof _strtold _sincos _sincosf \ | |
1088 | _sincosl _finite _finitef _finitel _fqfinite _fpclass _qfpclass) | |
b2dad0e3 BK |
1089 | |
1090 | LIBS="$save_LIBS" | |
1091 | ]) | |
1092 | ||
1093 | ||
1094 | dnl | |
1095 | dnl Check to see if this target can enable the wchar_t parts of libstdc++. | |
1096 | dnl | |
1097 | dnl Define _GLIBCPP_USE_WCHAR_T if all the bits are found | |
1098 | dnl Define _GLIBCPP_NEED_MBSTATE_T if mbstate_t is not in wchar.h | |
b2dad0e3 BK |
1099 | dnl |
1100 | dnl GLIBCPP_CHECK_WCHAR_T_SUPPORT | |
1101 | AC_DEFUN(GLIBCPP_CHECK_WCHAR_T_SUPPORT, [ | |
3840fa2a BK |
1102 | |
1103 | dnl Sanity check for existence of ISO C9X headers for extended encoding. | |
1104 | AC_CHECK_HEADER(wchar.h, ac_has_wchar_h=yes, ac_has_wchar_h=no) | |
1105 | AC_CHECK_HEADER(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no) | |
1106 | ||
1107 | dnl Only continue checking if the ISO C9X headers exist. | |
1108 | if test x"$ac_has_wchar_h" = xyes && test x"$ac_has_wctype_h" = xyes; then | |
1109 | ||
1110 | dnl Test wchar.h for mbstate_t, which is needed for char_traits and others. | |
1111 | AC_MSG_CHECKING([for mbstate_t]) | |
1112 | AC_TRY_COMPILE([#include <wchar.h>], | |
1113 | [mbstate_t teststate;], | |
1114 | use_native_mbstatet=yes, use_native_mbstatet=no) | |
1115 | AC_MSG_RESULT($use_native_mbstatet) | |
1116 | if test x"$use_native_mbstatet" = xno; then | |
1117 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
1118 | fi | |
b2dad0e3 | 1119 | |
3840fa2a BK |
1120 | dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before |
1121 | dnl numeric_limits can instantiate type_traits<wchar_t> | |
1122 | AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX]) | |
1123 | AC_TRY_COMPILE([#include <wchar.h>], | |
1124 | [int i = WCHAR_MIN; int j = WCHAR_MAX;], | |
1125 | has_wchar_minmax=yes, has_wchar_minmax=no) | |
1126 | AC_MSG_RESULT($has_wchar_minmax) | |
b2dad0e3 | 1127 | |
3840fa2a BK |
1128 | dnl Test wchar.h for WEOF, which is what we use to determine whether |
1129 | dnl to specialize for char_traits<wchar_t> or not. | |
1130 | AC_MSG_CHECKING([for WEOF]) | |
1131 | AC_TRY_COMPILE([ | |
1132 | #include <wchar.h> | |
1133 | #include <stddef.h>], | |
1134 | [wint_t i = WEOF;], | |
1135 | has_weof=yes, has_weof=no) | |
1136 | AC_MSG_RESULT($has_weof) | |
1137 | ||
1138 | dnl Tests for wide character functions used in char_traits<wchar_t>. | |
1139 | AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset, ac_wfuncs=yes, ac_wfuncs=no) | |
1140 | ||
1141 | AC_MSG_CHECKING([for ISO C9X wchar_t support]) | |
1142 | if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes && test x"$ac_wfuncs" = xyes; then | |
1143 | ac_isoC9X_wchar_t=yes | |
1144 | else | |
1145 | ac_isoC9X_wchar_t=no | |
1146 | fi | |
1147 | AC_MSG_RESULT($ac_isoC9X_wchar_t) | |
1148 | ||
1149 | dnl Use iconv for wchar_t to char conversions. As such, check for | |
1150 | dnl X/Open Portability Guide, version 2 features (XPG2). | |
1151 | AC_CHECK_HEADER(iconv.h, ac_has_iconv_h=yes, ac_has_iconv_h=no) | |
1152 | AC_CHECK_FUNCS(iconv_open iconv_close iconv, ac_XPG2funcs=yes, ac_XPG2funcs=no) | |
1153 | ||
1154 | AC_MSG_CHECKING([for XPG2 wchar_t support]) | |
1155 | if test x"$ac_has_iconv_h" = xyes && test x"$ac_XPG2funcs" = xyes; then | |
1156 | ac_XPG2_wchar_t=yes | |
1157 | else | |
1158 | ac_XPG2_wchar_t=no | |
1159 | fi | |
1160 | AC_MSG_RESULT($ac_XPG2_wchar_t) | |
1161 | ||
1162 | dnl At the moment, only enable wchar_t specializations if all the | |
1163 | dnl above support is present. | |
1164 | AC_MSG_CHECKING([for enabled wchar_t specializations]) | |
1165 | if test x"$ac_isoC9X_wchar_t" = xyes && test x"$ac_XPG2_wchar_t" = xyes; then | |
1166 | libinst_wstring_la="libinst-wstring.la" | |
1167 | AC_DEFINE(_GLIBCPP_USE_WCHAR_T) | |
1168 | AC_MSG_RESULT("yes") | |
1169 | else | |
1170 | libinst_wstring_la="" | |
1171 | AC_MSG_RESULT("no") | |
1172 | fi | |
1173 | AC_SUBST(libinst_wstring_la) | |
1174 | ||
b2dad0e3 | 1175 | else |
3840fa2a BK |
1176 | AC_MSG_WARN([<wchar.h> not found]) |
1177 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
b2dad0e3 | 1178 | fi |
b2dad0e3 BK |
1179 | ]) |
1180 | ||
1181 | ||
1182 | dnl | |
1183 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
1184 | dnl __complex__ float support. | |
1185 | dnl | |
1186 | dnl Define _GLIBCPP_BUGGY_FLOAT_COMPLEX if buggy. | |
1187 | dnl | |
1188 | dnl GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT | |
1189 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT, [ | |
1190 | AC_REQUIRE([AC_PROG_CXX]) | |
1191 | AC_MSG_CHECKING([for GNU C++ __complex__ float support]) | |
1192 | AC_CACHE_VAL(glibcpp_cv_float_complex, [ | |
1193 | AC_LANG_SAVE | |
1194 | AC_LANG_CPLUSPLUS | |
1195 | rm -f conftest.h | |
1196 | cat > conftest.h <<EOB | |
1197 | // | |
1198 | // Check for buggy __complex__ that causes ICE in most versions of egcs | |
1199 | // and gcc-2.95.x on certain platforms (eg., x86-win32). | |
1200 | // | |
1201 | // See http://egcs.cygnus.com/ml/gcc-bugs/1999-07/msg00845.html for | |
1202 | // more info on the bug itself. | |
1203 | // | |
1204 | struct | |
1205 | float_complex | |
1206 | { | |
1207 | __complex__ float m_value; | |
1208 | float_complex (float = 0.0f, float = 0.0f); | |
1209 | float_complex (__complex__ float val) : m_value (val) {} | |
1210 | float_complex foo (const float_complex &val) | |
1211 | { return float_complex (~val.m_value); } | |
1212 | }; | |
1213 | EOB | |
1214 | AC_TRY_COMPILE([#include "conftest.h"], , | |
1215 | glibcpp_cv_float_complex=ok, | |
1216 | glibcpp_cv_float_complex=buggy | |
1217 | ) | |
1218 | AC_LANG_RESTORE | |
1219 | ]) | |
1220 | AC_MSG_RESULT($glibcpp_cv_float_complex) | |
1221 | if test $glibcpp_cv_float_complex = buggy; then | |
1222 | AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) | |
1223 | fi | |
1224 | ]) | |
1225 | ||
1226 | ||
1227 | dnl | |
1228 | dnl | |
1229 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
1230 | dnl __complex__ support.Check for buggy __complex__ that will cause ICE in | |
1231 | dnl gcc-2.95.x when using the library, unless we define the default copy | |
1232 | dnl ctor in the specializations of complex<>. | |
1233 | dnl | |
1234 | dnl Define _GLIBCPP_BUGGY_COMPLEX if buggy. | |
1235 | dnl | |
1236 | dnl GLIBCPP_CHECK_COMPLEX_SUPPORT | |
1237 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_SUPPORT, [ | |
1238 | AC_REQUIRE([AC_PROG_CXX]) | |
1239 | AC_MSG_CHECKING([for GNU C++ __complex__ support]) | |
1240 | AC_CACHE_VAL(glibcpp_cv_complex, [ | |
1241 | AC_LANG_SAVE | |
1242 | AC_LANG_CPLUSPLUS | |
1243 | AC_TRY_COMPILE([struct dcomplex { __complex__ double x; }; \ | |
1244 | dcomplex f(const dcomplex& x) { return dcomplex(x); }], \ | |
1245 | [ dcomplex x; f(x); ], | |
1246 | glibcpp_cv_complex=ok, | |
1247 | glibcpp_cv_complex=buggy | |
1248 | ) | |
1249 | AC_LANG_RESTORE | |
1250 | ]) | |
1251 | AC_MSG_RESULT($glibcpp_cv_complex) | |
1252 | if test $glibcpp_cv_complex = buggy; then | |
1253 | AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) | |
1254 | fi | |
1255 | ]) | |
1256 | ||
1257 | ||
1258 | dnl | |
8bd636c5 | 1259 | dnl Check for special debugging mode; not for production use. |
b2dad0e3 BK |
1260 | dnl |
1261 | dnl GLIBCPP_ENABLE_DEBUG | |
1262 | dnl --enable-debug sets '-ggdb -O0'. | |
1263 | dnl --disable-debug sets '-g' and whatever optimization options the | |
1264 | dnl compiler can handle. | |
1265 | dnl + Perhaps --enable-maintainer-mode should automatically turn this on? | |
1266 | dnl + Perhaps -D/-U of NDEBUG, DEBUG, DEBUG_ASSERT, ...? | |
1267 | dnl + Usage: GLIBCPP_ENABLE_DEBUG[(DEFAULT)] | |
1268 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1269 | dnl defaults to `no'. | |
1270 | AC_DEFUN(GLIBCPP_ENABLE_DEBUG, [dnl | |
1271 | define([GLIBCPP_ENABLE_DEBUG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
1272 | AC_ARG_ENABLE(debug, | |
1273 | changequote(<<, >>)dnl | |
1274 | << --enable-debug extra debugging, turn off optimization [default=>>GLIBCPP_ENABLE_DEBUG_DEFAULT], | |
1275 | changequote([, ])dnl | |
1276 | [case "$enableval" in | |
1277 | yes) enable_debug=yes ;; | |
1278 | no) enable_debug=no ;; | |
1279 | *) AC_MSG_ERROR([Unknown argument to enable/disable extra debugging]) ;; | |
1280 | esac], | |
1281 | enable_debug=GLIBCPP_ENABLE_DEBUG_DEFAULT)dnl | |
1282 | dnl Option parsed, now set things appropriately | |
1283 | case "$enable_debug" in | |
cde28f0d BK |
1284 | yes) |
1285 | DEBUGFLAGS='-O0 -ggdb' | |
1286 | ;; | |
f3b004d8 BK |
1287 | no) |
1288 | DEBUGFLAGS='-g' | |
1289 | ;; | |
b2dad0e3 BK |
1290 | esac |
1291 | AC_SUBST(DEBUGFLAGS) | |
1292 | ]) | |
1293 | ||
1294 | ||
dcfa0bc8 PE |
1295 | dnl |
1296 | dnl Check for "unusual" flags to pass to the compiler while building. | |
1297 | dnl | |
1298 | dnl GLIBCPP_ENABLE_CXX_FLAGS | |
1299 | dnl --enable-cxx-flags='-foo -bar -baz' is a general method for passing | |
1300 | dnl experimental flags such as -fhonor-std, -fsquangle, -Dfloat=char, etc. | |
1301 | dnl Somehow this same set of flags must be passed when [re]building | |
1302 | dnl libgcc. | |
1303 | dnl --disable-cxx-flags passes nothing. | |
32a4595e PE |
1304 | dnl + See http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00131.html |
1305 | dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00284.html | |
1306 | dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00035.html | |
dcfa0bc8 | 1307 | dnl + Usage: GLIBCPP_ENABLE_CXX_FLAGS(default flags) |
32a4595e PE |
1308 | dnl If "default flags" is an empty string (or "none"), the effect is |
1309 | dnl the same as --disable or --enable=no. | |
dcfa0bc8 PE |
1310 | AC_DEFUN(GLIBCPP_ENABLE_CXX_FLAGS, [dnl |
1311 | define([GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], ifelse($1,,, $1))dnl | |
1312 | AC_ARG_ENABLE(cxx-flags, | |
1313 | changequote(<<, >>)dnl | |
1314 | << --enable-cxx-flags=FLAGS pass compiler FLAGS when building library; | |
1315 | [default=>>GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], | |
1316 | changequote([, ])dnl | |
1317 | [case "x$enableval" in | |
1318 | xyes) AC_MSG_ERROR([--enable-cxx-flags needs compiler flags as arguments]) ;; | |
32a4595e | 1319 | xno|x) enable_cxx_flags='' ;; |
dcfa0bc8 PE |
1320 | *) enable_cxx_flags="$enableval" ;; |
1321 | esac], | |
1322 | enable_cxx_flags='GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT')dnl | |
32a4595e PE |
1323 | dnl Thinko on my part during design. This kludge is the workaround. |
1324 | if test "$enable_cxx_flags" = "none"; then enable_cxx_flags=''; fi | |
1325 | dnl Run through flags (either default or command-line) and set anything | |
1326 | dnl extra (e.g., #defines) that must accompany particular g++ options. | |
dcfa0bc8 PE |
1327 | if test -n "$enable_cxx_flags"; then |
1328 | for f in $enable_cxx_flags; do | |
1329 | case "$f" in | |
991a40fc | 1330 | -fhonor-std) ;; |
dcfa0bc8 PE |
1331 | -*) ;; |
1332 | *) # and we're trying to pass /what/ exactly? | |
1333 | AC_MSG_ERROR([compiler flags start with a -]) ;; | |
1334 | esac | |
1335 | done | |
1336 | fi | |
1337 | EXTRA_CXX_FLAGS="$enable_cxx_flags" | |
1338 | AC_SUBST(EXTRA_CXX_FLAGS) | |
1339 | ]) | |
1340 | ||
1341 | ||
b2dad0e3 BK |
1342 | dnl |
1343 | dnl Check for instructions to automatically rebuild libgcc.a. Requires, | |
1344 | dnl of course, the location of the gcc objdir. Note that if --disable- | |
1345 | dnl namespaces is in effect, rebuilding libgcc.a is an expensive no-op. | |
1346 | dnl | |
1347 | dnl GLIBCPP_ENABLE_RELIBGCC | |
1348 | dnl --enable-libgcc-rebuild=/absolute/path/to/gcc/objdir sets GCC_OBJDIR | |
1349 | dnl (presumably in the top-level Makefile) to /absol.../objdir | |
1350 | dnl --disable-libgcc-rebuild will not touch libgcc.a at all (maybe print | |
1351 | dnl a warning if this is given along with --enable-namespaces), by | |
1352 | dnl setting GCC_OBJDIR to `no'. | |
1353 | dnl + Doing this by default is going to be interesting. What default | |
1354 | dnl "on" value can there be? | |
1355 | dnl + Usage: GLIBCPP_ENABLE_RELIBGCC[(DEFAULT)] | |
1356 | dnl The default path should be ../.. if bundled with GCC source. | |
1357 | dnl If ommitted, it defaults to `no'. | |
1358 | dnl | |
1359 | AC_DEFUN(GLIBCPP_ENABLE_RELIBGCC, [dnl | |
1360 | define([GLIBCPP_ENABLE_RELIBGCC_DEFAULT], ifelse($1,, no, $1))dnl | |
1361 | AC_ARG_ENABLE(libgcc-rebuild, | |
1362 | changequote(<<, >>)dnl | |
1363 | << --enable-libgcc-rebuild=DIR also rebuild libgcc.a; DIR is | |
1364 | the GCC objdir; see install.html>>, | |
1365 | changequote([, ])dnl | |
1366 | [case "$enableval" in | |
1367 | yes) AC_MSG_ERROR([--enable-libgcc-rebuild needs a pathname]) ;; | |
1368 | no) enable_libgcc_rebuild=no ;; | |
1369 | *) if test -d "$enableval" && test -d "${enableval}/gcc" && \ | |
1370 | test -d "${enableval}/libiberty" | |
1371 | then | |
1372 | enable_libgcc_rebuild="$enableval" | |
1373 | else | |
1374 | AC_MSG_ERROR(["$enableval" does not appear to be the GCC objdir]) | |
1375 | fi | |
1376 | ;; | |
1377 | esac], | |
1378 | enable_libgcc_rebuild=GLIBCPP_ENABLE_RELIBGCC_DEFAULT)dnl | |
1379 | GCC_OBJDIR="$enable_libgcc_rebuild" | |
1380 | AC_SUBST(GCC_OBJDIR) | |
1381 | ]) | |
1382 | ||
1383 | ||
1384 | dnl | |
8bd636c5 | 1385 | dnl Check for which I/O library to use: libio, or something specific. |
b2dad0e3 BK |
1386 | dnl |
1387 | dnl GLIBCPP_ENABLE_CSTDIO | |
1388 | dnl --enable-cstdio=libio sets config/c_io_libio.h and friends | |
1389 | dnl | |
1390 | dnl default is libio | |
1391 | dnl | |
1392 | AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [ | |
1393 | AC_MSG_CHECKING([for cstdio to use]) | |
1394 | AC_ARG_ENABLE(cstdio, | |
1395 | [ --enable-cstdio enable GNU libio for target io package. (default) | |
1396 | --enable-cstdio=LIB use LIB target-speific io package.], | |
1397 | if test x$enable_cstdio = xno; then | |
1398 | enable_cstdio=libio | |
1399 | fi, | |
1400 | enable_cstdio=libio) | |
1401 | ||
1402 | enable_cstdio_flag=$enable_cstdio | |
1403 | ||
1404 | dnl Check if a valid thread package | |
1405 | case x${enable_cstdio_flag} in | |
1406 | xlibio | x | xno | xnone | xyes) | |
1407 | # default | |
1408 | CSTDIO_H=c_io_libio.h | |
1409 | CSTDIO_CC=c_io_libio.cc | |
1410 | AC_MSG_RESULT(libio) | |
1411 | ||
1412 | # see if we are on a system with libio native (ie, linux) | |
1413 | AC_CHECK_HEADER(libio.h, has_libio=yes, has_libio=no) | |
1414 | if test $has_libio = "yes"; then | |
1415 | BUILD_LIBIO_INCLUDE= | |
1416 | need_libio=no | |
1417 | else | |
1418 | BUILD_LIBIO_INCLUDE='-I../libio' | |
1419 | need_libio=yes | |
1420 | fi | |
1421 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
f3b004d8 BK |
1422 | |
1423 | # see if the _G_config.h header needs to be built. | |
1424 | # NB: This replaces the _G_CONFIG_H machinery in libio-v2 | |
1425 | AC_CHECK_HEADER(_G_config.h, has_gconf_h=yes, has_gconf_h=no) | |
1426 | AM_CONDITIONAL(GLIBCPP_NEED_LIBIO_CONFIG_H, test "$has_gconf_h" = no) | |
b2dad0e3 BK |
1427 | ;; |
1428 | xwince) | |
1429 | CSTDIO_H=c_io_wince.h | |
1430 | CSTDIO_CC=c_io_wince.cc | |
1431 | AC_MSG_RESULT(wince) | |
1432 | ||
1433 | need_libio=no | |
1434 | BUILD_LIBIO_INCLUDE= | |
1435 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
1436 | ;; | |
1437 | *) | |
1438 | echo "$enable_cstdio is an unknown io package" 1>&2 | |
1439 | exit 1 | |
1440 | ;; | |
1441 | esac | |
1442 | AC_SUBST(CSTDIO_H) | |
1443 | AC_SUBST(CSTDIO_CC) | |
1444 | AM_CONDITIONAL(GLIBCPP_NEED_LIBIO, test "$need_libio" = yes) | |
1445 | ]) | |
1446 | ||
1447 | ||
1448 | dnl | |
8bd636c5 | 1449 | dnl Check for which threading library to use. |
b2dad0e3 BK |
1450 | dnl |
1451 | dnl GLIBCPP_ENABLE_THREADS | |
1452 | dnl --enable-threads=posix sets config/threads-posix.h et. al. | |
1453 | dnl | |
1454 | dnl default is no threads | |
1455 | dnl | |
1456 | AC_DEFUN(GLIBCPP_ENABLE_THREADS, [ | |
1457 | dnl Note this comes from the gcc/config.in and libjava/config.in | |
1458 | dnl Efforts should be made to keep this in sync. | |
1459 | AC_MSG_CHECKING([for threads package to use]) | |
1460 | AC_ARG_ENABLE(threads, | |
1461 | [ --enable-threads enable thread usage for target GCC. | |
1462 | --enable-threads=LIB use LIB thread package for target GCC.], | |
1463 | if test x$enable_threads = xno; then | |
1464 | enable_threads='' | |
1465 | fi, | |
1466 | enable_threads='') | |
1467 | ||
1468 | enable_threads_flag=$enable_threads | |
1469 | ||
1470 | dnl Check if a valid thread package | |
1471 | case x${enable_threads_flag} in | |
1472 | x | xno | xnone) | |
1473 | # No threads | |
1474 | target_thread_file='single' | |
1475 | ;; | |
1476 | xyes) | |
1477 | # default | |
1478 | target_thread_file='' | |
1479 | ;; | |
1480 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
1481 | xsolaris | xwin32 | xdce | xvxworks) | |
1482 | target_thread_file=$enable_threads_flag | |
1483 | ;; | |
1484 | *) | |
1485 | echo "$enable_threads is an unknown thread package" 1>&2 | |
1486 | exit 1 | |
1487 | ;; | |
1488 | esac | |
1489 | ||
1490 | dnl Check for thread package actually supported in libstdc++ | |
1491 | case "$target_thread_file" in | |
1492 | no | none | single) | |
1493 | THREADS=none | |
1494 | ;; | |
1495 | posix | pthreads) | |
1496 | THREADS=posix | |
1497 | case "$host" in | |
1498 | *-*-linux*) | |
1499 | ;; | |
1500 | esac | |
1501 | ;; | |
1502 | decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks) | |
1503 | AC_MSG_ERROR(thread package $THREADS not yet supported) | |
1504 | ;; | |
1505 | *) | |
1506 | AC_MSG_ERROR($THREADS is an unknown thread package) | |
1507 | ;; | |
1508 | esac | |
1509 | AC_MSG_RESULT($THREADS) | |
1510 | ||
1511 | THREADLIBS= | |
1512 | THREADINCS= | |
1513 | THREADDEPS= | |
1514 | THREADOBJS= | |
1515 | THREADH= | |
1516 | THREADSPEC= | |
1517 | case "$THREADS" in | |
1518 | posix) | |
1519 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
1520 | THREADLIBS=-lpthread | |
1521 | THREADSPEC=-lpthread | |
1522 | dnl Not presently used | |
1523 | dnl THREADOBJS=threads-posix.lo | |
1524 | THREADH=threads-posix.h | |
1525 | ;; | |
1526 | none) | |
1527 | dnl Not presently used | |
1528 | dnl THREADOBJS=threads-no.lo | |
1529 | THREADH=threads-no.h | |
1530 | ;; | |
1531 | esac | |
1532 | AC_SUBST(THREADLIBS) | |
1533 | AC_SUBST(THREADINCS) | |
1534 | AC_SUBST(THREADDEPS) | |
1535 | AC_SUBST(THREADOBJS) | |
1536 | AC_SUBST(THREADSPEC) | |
1537 | ]) | |
1538 | ||
1539 | ||
1540 | dnl | |
8bd636c5 | 1541 | dnl Check for template specializations for the 'long long' type extension. |
b2dad0e3 BK |
1542 | dnl |
1543 | dnl GLIBCPP_ENABLE_LONG_LONG | |
1544 | dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG | |
1545 | dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined | |
1546 | dnl + Usage: GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)] | |
1547 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1548 | dnl defaults to `no'. | |
0137be2d | 1549 | dnl + If 'long long' stuff is not available, ignores DEFAULT and sets `no'. |
b2dad0e3 BK |
1550 | dnl |
1551 | dnl GLIBCPP_ENABLE_LONG_LONG | |
1552 | AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl | |
1553 | define([GLIBCPP_ENABLE_LONG_LONG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
209fe19b | 1554 | |
b2dad0e3 BK |
1555 | AC_ARG_ENABLE(long-long, |
1556 | changequote(<<, >>)dnl | |
d0d88ce3 | 1557 | <<--enable-long-long turns on 'long long' [default=>>GLIBCPP_ENABLE_LONG_LONG_DEFAULT], |
b2dad0e3 BK |
1558 | changequote([, ])dnl |
1559 | [case "$enableval" in | |
1560 | yes) enable_long_long=yes ;; | |
1561 | no) enable_long_long=no ;; | |
1562 | *) AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;; | |
1563 | esac], | |
1564 | enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl | |
209fe19b BK |
1565 | |
1566 | # Check for the existance of functions used if long long is enabled. | |
1567 | AC_CHECK_FUNC(strtoll,,ac_strtoll=no) | |
1568 | AC_CHECK_FUNC(strtoull,,ac_strtoull=no) | |
1569 | ||
3840fa2a | 1570 | AC_MSG_CHECKING([for enabled long long]) |
209fe19b | 1571 | if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then |
3840fa2a BK |
1572 | enable_long_long=no; |
1573 | fi; | |
d0d88ce3 | 1574 | AC_MSG_RESULT($enable_long_long) |
3840fa2a | 1575 | |
b2dad0e3 BK |
1576 | dnl Option parsed, now set things appropriately |
1577 | case "$enable_long_long" in | |
1578 | yes) AC_DEFINE(_GLIBCPP_USE_LONG_LONG) | |
1579 | ;; | |
1580 | esac | |
1581 | ]) | |
1582 | ||
1583 | ||
99246c90 | 1584 | dnl |
8bd636c5 | 1585 | dnl Check for whether or not to do shadowed C headers. |
99246c90 PE |
1586 | dnl |
1587 | dnl GLIBCPP_ENABLE_SHADOW | |
d0d88ce3 BK |
1588 | dnl --enable-cshadow-headers [does stuff]. |
1589 | dnl --disable-cshadow-headers [does not do stuff]. | |
99246c90 PE |
1590 | dnl + This will eventually need to be on by default. |
1591 | dnl + Usage: GLIBCPP_ENABLE_SHADOW[(DEFAULT)] | |
1592 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1593 | dnl defaults to `no'. | |
1594 | AC_DEFUN(GLIBCPP_ENABLE_SHADOW, [dnl | |
1595 | define([GLIBCPP_ENABLE_SHADOW_DEFAULT], ifelse($1, yes, yes, no))dnl | |
d0d88ce3 BK |
1596 | AC_MSG_CHECKING([for enabled cshadow headers]) |
1597 | AC_ARG_ENABLE(cshadow-headers, | |
99246c90 | 1598 | changequote(<<, >>)dnl |
d0d88ce3 BK |
1599 | << --enable-cshadow-headers construct "shadowed" C header files for |
1600 | g++ [default=>>GLIBCPP_ENABLE_SHADOW_DEFAULT], | |
99246c90 PE |
1601 | changequote([, ])dnl |
1602 | [case "$enableval" in | |
d0d88ce3 BK |
1603 | yes) enable_cshadow_headers=yes |
1604 | ;; | |
1605 | no) enable_cshadow_headers=no | |
1606 | ;; | |
1607 | *) AC_MSG_ERROR([Unknown argument to enable/disable shadowed C headers]) | |
1608 | ;; | |
99246c90 | 1609 | esac], |
d0d88ce3 BK |
1610 | enable_cshadow_headers=GLIBCPP_ENABLE_SHADOW_DEFAULT)dnl |
1611 | AC_MSG_RESULT($enable_cshadow_headers) | |
99246c90 | 1612 | dnl Option parsed, now set things appropriately |
d0d88ce3 | 1613 | case "$enable_cshadow_headers" in |
99246c90 | 1614 | yes) |
e95706d5 | 1615 | CSHADOWFLAGS="-D_GNU_SOURCE" |
5b80666b | 1616 | CSHADOW_INCLUDES=" -I$srcdir/shadow -I$blddir/cshadow" |
99246c90 PE |
1617 | ;; |
1618 | no) | |
5b80666b BK |
1619 | CSHADOWFLAGS="" |
1620 | CSHADOW_INCLUDES="" | |
99246c90 PE |
1621 | ;; |
1622 | esac | |
5b80666b BK |
1623 | |
1624 | AC_SUBST(CSHADOWFLAGS) | |
1625 | AC_SUBST(CSHADOW_INCLUDES) | |
1626 | AM_CONDITIONAL(GLIBCPP_USE_CSHADOW, test "$enable_cshadow_headers" = yes) | |
99246c90 | 1627 | ]) |
b2dad0e3 BK |
1628 | |
1629 | ||
af9fe0d1 BK |
1630 | # Check whether LC_MESSAGES is available in <locale.h>. |
1631 | # Ulrich Drepper <drepper@cygnus.com>, 1995. | |
1632 | # | |
1633 | # This file file be copied and used freely without restrictions. It can | |
1634 | # be used in projects which are not available under the GNU Public License | |
1635 | # but which still want to provide support for the GNU gettext functionality. | |
1636 | # Please note that the actual code is *not* freely available. | |
1637 | ||
1638 | # serial 1 | |
1639 | ||
1640 | AC_DEFUN(AC_LC_MESSAGES, | |
1641 | [if test $ac_cv_header_locale_h = yes; then | |
1642 | AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES, | |
1643 | [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], | |
1644 | ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)]) | |
1645 | if test $ac_cv_val_LC_MESSAGES = yes; then | |
1646 | AC_DEFINE(HAVE_LC_MESSAGES) | |
1647 | fi | |
1648 | fi]) | |
1649 | ||
1650 | ||
1651 | # Check for functions in math library. | |
1652 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1653 | # | |
1654 | # This file can be copied and used freely without restrictions. It can | |
1655 | # be used in projects which are not available under the GNU Public License | |
1656 | # but which still want to provide support for the GNU gettext functionality. | |
1657 | # Please note that the actual code is *not* freely available. | |
1658 | ||
1659 | # serial 1 | |
1660 | ||
1661 | dnl AC_REPLACE_MATHFUNCS(FUNCTION...) | |
1662 | AC_DEFUN(AC_REPLACE_MATHFUNCS, | |
1663 | [AC_CHECK_FUNCS([$1], , [LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"]) | |
1664 | AC_SUBST(LIBMATHOBJS)dnl | |
1665 | ]) | |
1666 | ||
1667 | ||
1668 | # Check for string functions. | |
1669 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1670 | # | |
1671 | # This file can be copied and used freely without restrictions. It can | |
1672 | # be used in projects which are not available under the GNU Public License | |
1673 | # but which still want to provide support for the GNU gettext functionality. | |
1674 | # Please note that the actual code is *not* freely available. | |
1675 | ||
1676 | # serial 1 | |
1677 | ||
1678 | dnl AC_REPLACE_STRINGFUNCS(FUNCTION...) | |
1679 | AC_DEFUN(AC_REPLACE_STRINGFUNCS, | |
1680 | [AC_CHECK_FUNCS([$1], , [LIBSTRINGOBJS="$LIBSTRINGOBJS ${ac_func}.lo"]) | |
1681 | AC_SUBST(LIBSTRINGOBJS)dnl | |
1682 | ]) | |
b2dad0e3 BK |
1683 | |
1684 | # Do all the work for Automake. This macro actually does too much -- | |
1685 | # some checks are only needed if your package does certain things. | |
1686 | # But this isn't really a big deal. | |
1687 | ||
1688 | # serial 1 | |
1689 | ||
1690 | dnl Usage: | |
1691 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) | |
1692 | ||
1693 | AC_DEFUN(AM_INIT_AUTOMAKE, | |
1694 | [AC_REQUIRE([AC_PROG_INSTALL]) | |
1695 | PACKAGE=[$1] | |
1696 | AC_SUBST(PACKAGE) | |
1697 | VERSION=[$2] | |
1698 | AC_SUBST(VERSION) | |
1699 | dnl test to see if srcdir already configured | |
1700 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then | |
1701 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) | |
1702 | fi | |
1703 | ifelse([$3],, | |
1704 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) | |
1705 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) | |
1706 | AC_REQUIRE([AM_SANITY_CHECK]) | |
1707 | AC_REQUIRE([AC_ARG_PROGRAM]) | |
1708 | dnl FIXME This is truly gross. | |
1709 | missing_dir=`cd $ac_aux_dir && pwd` | |
1710 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) | |
1711 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) | |
1712 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) | |
1713 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) | |
1714 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) | |
1715 | AC_REQUIRE([AC_PROG_MAKE_SET])]) | |
1716 | ||
1717 | # | |
1718 | # Check to make sure that the build environment is sane. | |
1719 | # | |
1720 | ||
1721 | AC_DEFUN(AM_SANITY_CHECK, | |
1722 | [AC_MSG_CHECKING([whether build environment is sane]) | |
1723 | # Just in case | |
1724 | sleep 1 | |
1725 | echo timestamp > conftestfile | |
1726 | # Do `set' in a subshell so we don't clobber the current shell's | |
1727 | # arguments. Must try -L first in case configure is actually a | |
1728 | # symlink; some systems play weird games with the mod time of symlinks | |
1729 | # (eg FreeBSD returns the mod time of the symlink's containing | |
1730 | # directory). | |
1731 | if ( | |
1732 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` | |
1733 | if test "[$]*" = "X"; then | |
1734 | # -L didn't work. | |
1735 | set X `ls -t $srcdir/configure conftestfile` | |
1736 | fi | |
1737 | if test "[$]*" != "X $srcdir/configure conftestfile" \ | |
1738 | && test "[$]*" != "X conftestfile $srcdir/configure"; then | |
1739 | ||
1740 | # If neither matched, then we have a broken ls. This can happen | |
1741 | # if, for instance, CONFIG_SHELL is bash and it inherits a | |
1742 | # broken ls alias from the environment. This has actually | |
1743 | # happened. Such a system could not be considered "sane". | |
1744 | AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken | |
1745 | alias in your environment]) | |
1746 | fi | |
1747 | ||
1748 | test "[$]2" = conftestfile | |
1749 | ) | |
1750 | then | |
1751 | # Ok. | |
1752 | : | |
1753 | else | |
1754 | AC_MSG_ERROR([newly created file is older than distributed files! | |
1755 | Check your system clock]) | |
1756 | fi | |
1757 | rm -f conftest* | |
1758 | AC_MSG_RESULT(yes)]) | |
1759 | ||
1760 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) | |
1761 | dnl The program must properly implement --version. | |
1762 | AC_DEFUN(AM_MISSING_PROG, | |
1763 | [AC_MSG_CHECKING(for working $2) | |
1764 | # Run test in a subshell; some versions of sh will print an error if | |
1765 | # an executable is not found, even if stderr is redirected. | |
1766 | # Redirect stdin to placate older versions of autoconf. Sigh. | |
1767 | if ($2 --version) < /dev/null > /dev/null 2>&1; then | |
1768 | $1=$2 | |
1769 | AC_MSG_RESULT(found) | |
1770 | else | |
1771 | $1="$3/missing $2" | |
1772 | AC_MSG_RESULT(missing) | |
1773 | fi | |
1774 | AC_SUBST($1)]) | |
1775 | ||
1776 | # Add --enable-maintainer-mode option to configure. | |
1777 | # From Jim Meyering | |
1778 | ||
1779 | # serial 1 | |
1780 | ||
1781 | AC_DEFUN(AM_MAINTAINER_MODE, | |
1782 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
1783 | dnl maintainer-mode is disabled by default | |
1784 | AC_ARG_ENABLE(maintainer-mode, | |
1785 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
1786 | (and sometimes confusing) to the casual installer], | |
1787 | USE_MAINTAINER_MODE=$enableval, | |
1788 | USE_MAINTAINER_MODE=no) | |
1789 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
1790 | AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) | |
1791 | MAINT=$MAINTAINER_MODE_TRUE | |
1792 | AC_SUBST(MAINT)dnl | |
1793 | ] | |
1794 | ) | |
1795 | ||
1796 | # Define a conditional. | |
1797 | ||
1798 | AC_DEFUN(AM_CONDITIONAL, | |
1799 | [AC_SUBST($1_TRUE) | |
1800 | AC_SUBST($1_FALSE) | |
1801 | if $2; then | |
1802 | $1_TRUE= | |
1803 | $1_FALSE='#' | |
1804 | else | |
1805 | $1_TRUE='#' | |
1806 | $1_FALSE= | |
1807 | fi]) | |
1808 | ||
b2dad0e3 | 1809 | |
3840fa2a | 1810 | # serial 40 AC_PROG_LIBTOOL |
b2dad0e3 BK |
1811 | AC_DEFUN(AC_PROG_LIBTOOL, |
1812 | [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl | |
1813 | ||
1814 | # Save cache, so that ltconfig can load it | |
1815 | AC_CACHE_SAVE | |
1816 | ||
1817 | # Actually configure libtool. ac_aux_dir is where install-sh is found. | |
1818 | CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ | |
3840fa2a BK |
1819 | LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ |
1820 | LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ | |
1821 | DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ | |
b2dad0e3 | 1822 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ |
3840fa2a | 1823 | $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \ |
b2dad0e3 BK |
1824 | || AC_MSG_ERROR([libtool configure failed]) |
1825 | ||
1826 | # Reload cache, that may have been modified by ltconfig | |
1827 | AC_CACHE_LOAD | |
1828 | ||
1829 | # This can be used to rebuild libtool when needed | |
1830 | LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" | |
1831 | ||
1832 | # Always use our own libtool. | |
1833 | LIBTOOL='$(SHELL) $(top_builddir)/libtool' | |
1834 | AC_SUBST(LIBTOOL)dnl | |
1835 | ||
1836 | # Redirect the config.log output again, so that the ltconfig log is not | |
1837 | # clobbered by the next message. | |
1838 | exec 5>>./config.log | |
1839 | ]) | |
1840 | ||
1841 | AC_DEFUN(AC_LIBTOOL_SETUP, | |
1842 | [AC_PREREQ(2.13)dnl | |
1843 | AC_REQUIRE([AC_ENABLE_SHARED])dnl | |
1844 | AC_REQUIRE([AC_ENABLE_STATIC])dnl | |
1845 | AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl | |
1846 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
1847 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
1848 | AC_REQUIRE([AC_PROG_RANLIB])dnl | |
1849 | AC_REQUIRE([AC_PROG_CC])dnl | |
1850 | AC_REQUIRE([AC_PROG_LD])dnl | |
1851 | AC_REQUIRE([AC_PROG_NM])dnl | |
1852 | AC_REQUIRE([AC_PROG_LN_S])dnl | |
1853 | dnl | |
1854 | ||
3840fa2a BK |
1855 | case "$target" in |
1856 | NONE) lt_target="$host" ;; | |
1857 | *) lt_target="$target" ;; | |
1858 | esac | |
1859 | ||
b2dad0e3 BK |
1860 | # Check for any special flags to pass to ltconfig. |
1861 | libtool_flags="--cache-file=$cache_file" | |
1862 | test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" | |
1863 | test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" | |
1864 | test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" | |
1865 | test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" | |
1866 | test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" | |
3840fa2a BK |
1867 | ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], |
1868 | [libtool_flags="$libtool_flags --enable-dlopen"]) | |
1869 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], | |
1870 | [libtool_flags="$libtool_flags --enable-win32-dll"]) | |
1871 | AC_ARG_ENABLE(libtool-lock, | |
1872 | [ --disable-libtool-lock avoid locking (might break parallel builds)]) | |
1873 | test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" | |
1874 | test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" | |
b2dad0e3 BK |
1875 | |
1876 | # Some flags need to be propagated to the compiler or linker for good | |
1877 | # libtool support. | |
3840fa2a | 1878 | case "$lt_target" in |
b2dad0e3 BK |
1879 | *-*-irix6*) |
1880 | # Find out which ABI we are using. | |
1881 | echo '[#]line __oline__ "configure"' > conftest.$ac_ext | |
1882 | if AC_TRY_EVAL(ac_compile); then | |
1883 | case "`/usr/bin/file conftest.o`" in | |
1884 | *32-bit*) | |
1885 | LD="${LD-ld} -32" | |
1886 | ;; | |
1887 | *N32*) | |
1888 | LD="${LD-ld} -n32" | |
1889 | ;; | |
1890 | *64-bit*) | |
1891 | LD="${LD-ld} -64" | |
1892 | ;; | |
1893 | esac | |
1894 | fi | |
1895 | rm -rf conftest* | |
1896 | ;; | |
1897 | ||
1898 | *-*-sco3.2v5*) | |
1899 | # On SCO OpenServer 5, we need -belf to get full-featured binaries. | |
1900 | SAVE_CFLAGS="$CFLAGS" | |
1901 | CFLAGS="$CFLAGS -belf" | |
1902 | AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, | |
1903 | [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) | |
1904 | if test x"$lt_cv_cc_needs_belf" != x"yes"; then | |
1905 | # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf | |
1906 | CFLAGS="$SAVE_CFLAGS" | |
1907 | fi | |
1908 | ;; | |
1909 | ||
3840fa2a BK |
1910 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], |
1911 | [*-*-cygwin* | *-*-mingw*) | |
1912 | AC_CHECK_TOOL(DLLTOOL, dlltool, false) | |
1913 | AC_CHECK_TOOL(AS, as, false) | |
1914 | AC_CHECK_TOOL(OBJDUMP, objdump, false) | |
b2dad0e3 | 1915 | ;; |
3840fa2a | 1916 | ]) |
b2dad0e3 | 1917 | esac |
209fe19b BK |
1918 | ]) |
1919 | ||
3840fa2a BK |
1920 | # AC_LIBTOOL_DLOPEN - enable checks for dlopen support |
1921 | AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) | |
1922 | ||
1923 | # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's | |
1924 | AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) | |
b2dad0e3 BK |
1925 | |
1926 | # AC_ENABLE_SHARED - implement the --enable-shared flag | |
1927 | # Usage: AC_ENABLE_SHARED[(DEFAULT)] | |
1928 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1929 | # `yes'. | |
3840fa2a BK |
1930 | AC_DEFUN(AC_ENABLE_SHARED, [dnl |
1931 | define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl | |
b2dad0e3 BK |
1932 | AC_ARG_ENABLE(shared, |
1933 | changequote(<<, >>)dnl | |
1934 | << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], | |
1935 | changequote([, ])dnl | |
1936 | [p=${PACKAGE-default} | |
1937 | case "$enableval" in | |
1938 | yes) enable_shared=yes ;; | |
1939 | no) enable_shared=no ;; | |
1940 | *) | |
1941 | enable_shared=no | |
1942 | # Look at the argument we got. We use all the common list separators. | |
1943 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
1944 | for pkg in $enableval; do | |
1945 | if test "X$pkg" = "X$p"; then | |
1946 | enable_shared=yes | |
1947 | fi | |
1948 | done | |
1949 | IFS="$ac_save_ifs" | |
1950 | ;; | |
1951 | esac], | |
1952 | enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl | |
1953 | ]) | |
1954 | ||
1955 | # AC_DISABLE_SHARED - set the default shared flag to --disable-shared | |
3840fa2a BK |
1956 | AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl |
1957 | AC_ENABLE_SHARED(no)]) | |
b2dad0e3 BK |
1958 | |
1959 | # AC_ENABLE_STATIC - implement the --enable-static flag | |
1960 | # Usage: AC_ENABLE_STATIC[(DEFAULT)] | |
1961 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1962 | # `yes'. | |
3840fa2a BK |
1963 | AC_DEFUN(AC_ENABLE_STATIC, [dnl |
1964 | define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl | |
b2dad0e3 BK |
1965 | AC_ARG_ENABLE(static, |
1966 | changequote(<<, >>)dnl | |
1967 | << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], | |
1968 | changequote([, ])dnl | |
1969 | [p=${PACKAGE-default} | |
1970 | case "$enableval" in | |
1971 | yes) enable_static=yes ;; | |
1972 | no) enable_static=no ;; | |
1973 | *) | |
1974 | enable_static=no | |
1975 | # Look at the argument we got. We use all the common list separators. | |
1976 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
1977 | for pkg in $enableval; do | |
1978 | if test "X$pkg" = "X$p"; then | |
1979 | enable_static=yes | |
1980 | fi | |
1981 | done | |
1982 | IFS="$ac_save_ifs" | |
1983 | ;; | |
1984 | esac], | |
1985 | enable_static=AC_ENABLE_STATIC_DEFAULT)dnl | |
1986 | ]) | |
1987 | ||
1988 | # AC_DISABLE_STATIC - set the default static flag to --disable-static | |
3840fa2a BK |
1989 | AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl |
1990 | AC_ENABLE_STATIC(no)]) | |
b2dad0e3 BK |
1991 | |
1992 | ||
1993 | # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag | |
1994 | # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] | |
1995 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1996 | # `yes'. | |
3840fa2a BK |
1997 | AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl |
1998 | define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl | |
b2dad0e3 BK |
1999 | AC_ARG_ENABLE(fast-install, |
2000 | changequote(<<, >>)dnl | |
2001 | << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], | |
2002 | changequote([, ])dnl | |
2003 | [p=${PACKAGE-default} | |
2004 | case "$enableval" in | |
2005 | yes) enable_fast_install=yes ;; | |
2006 | no) enable_fast_install=no ;; | |
2007 | *) | |
2008 | enable_fast_install=no | |
2009 | # Look at the argument we got. We use all the common list separators. | |
2010 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
2011 | for pkg in $enableval; do | |
2012 | if test "X$pkg" = "X$p"; then | |
2013 | enable_fast_install=yes | |
2014 | fi | |
2015 | done | |
2016 | IFS="$ac_save_ifs" | |
2017 | ;; | |
2018 | esac], | |
2019 | enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl | |
2020 | ]) | |
2021 | ||
2022 | # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install | |
3840fa2a BK |
2023 | AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl |
2024 | AC_ENABLE_FAST_INSTALL(no)]) | |
b2dad0e3 BK |
2025 | |
2026 | # AC_PROG_LD - find the path to the GNU or non-GNU linker | |
2027 | AC_DEFUN(AC_PROG_LD, | |
2028 | [AC_ARG_WITH(gnu-ld, | |
2029 | [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], | |
2030 | test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) | |
2031 | AC_REQUIRE([AC_PROG_CC])dnl | |
2032 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
2033 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
2034 | ac_prog=ld | |
2035 | if test "$ac_cv_prog_gcc" = yes; then | |
2036 | # Check if gcc -print-prog-name=ld gives a path. | |
2037 | AC_MSG_CHECKING([for ld used by GCC]) | |
2038 | ac_prog=`($CC -print-prog-name=ld) 2>&5` | |
2039 | case "$ac_prog" in | |
2040 | # Accept absolute paths. | |
2041 | changequote(,)dnl | |
3840fa2a | 2042 | [\\/]* | [A-Za-z]:[\\/]*) |
b2dad0e3 BK |
2043 | re_direlt='/[^/][^/]*/\.\./' |
2044 | changequote([,])dnl | |
2045 | # Canonicalize the path of ld | |
2046 | ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | |
2047 | while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | |
2048 | ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | |
2049 | done | |
2050 | test -z "$LD" && LD="$ac_prog" | |
2051 | ;; | |
2052 | "") | |
2053 | # If it fails, then pretend we aren't using GCC. | |
2054 | ac_prog=ld | |
2055 | ;; | |
2056 | *) | |
2057 | # If it is relative, then search for the first ld in PATH. | |
2058 | with_gnu_ld=unknown | |
2059 | ;; | |
2060 | esac | |
2061 | elif test "$with_gnu_ld" = yes; then | |
2062 | AC_MSG_CHECKING([for GNU ld]) | |
2063 | else | |
2064 | AC_MSG_CHECKING([for non-GNU ld]) | |
2065 | fi | |
2066 | AC_CACHE_VAL(ac_cv_path_LD, | |
2067 | [if test -z "$LD"; then | |
3840fa2a | 2068 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" |
b2dad0e3 BK |
2069 | for ac_dir in $PATH; do |
2070 | test -z "$ac_dir" && ac_dir=. | |
3840fa2a | 2071 | if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then |
b2dad0e3 BK |
2072 | ac_cv_path_LD="$ac_dir/$ac_prog" |
2073 | # Check to see if the program is GNU ld. I'd rather use --version, | |
2074 | # but apparently some GNU ld's only accept -v. | |
2075 | # Break only if it was the GNU/non-GNU ld that we prefer. | |
2076 | if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | |
2077 | test "$with_gnu_ld" != no && break | |
2078 | else | |
2079 | test "$with_gnu_ld" != yes && break | |
2080 | fi | |
2081 | fi | |
2082 | done | |
2083 | IFS="$ac_save_ifs" | |
2084 | else | |
2085 | ac_cv_path_LD="$LD" # Let the user override the test with a path. | |
2086 | fi]) | |
2087 | LD="$ac_cv_path_LD" | |
2088 | if test -n "$LD"; then | |
2089 | AC_MSG_RESULT($LD) | |
2090 | else | |
2091 | AC_MSG_RESULT(no) | |
2092 | fi | |
2093 | test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) | |
2094 | AC_PROG_LD_GNU | |
2095 | ]) | |
2096 | ||
2097 | AC_DEFUN(AC_PROG_LD_GNU, | |
2098 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, | |
2099 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v. | |
2100 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | |
2101 | ac_cv_prog_gnu_ld=yes | |
2102 | else | |
2103 | ac_cv_prog_gnu_ld=no | |
2104 | fi]) | |
2105 | ]) | |
2106 | ||
2107 | # AC_PROG_NM - find the path to a BSD-compatible name lister | |
2108 | AC_DEFUN(AC_PROG_NM, | |
2109 | [AC_MSG_CHECKING([for BSD-compatible nm]) | |
2110 | AC_CACHE_VAL(ac_cv_path_NM, | |
2111 | [if test -n "$NM"; then | |
2112 | # Let the user override the test. | |
2113 | ac_cv_path_NM="$NM" | |
2114 | else | |
3840fa2a | 2115 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" |
b2dad0e3 BK |
2116 | for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do |
2117 | test -z "$ac_dir" && ac_dir=. | |
3840fa2a | 2118 | if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then |
b2dad0e3 BK |
2119 | # Check to see if the nm accepts a BSD-compat flag. |
2120 | # Adding the `sed 1q' prevents false positives on HP-UX, which says: | |
2121 | # nm: unknown option "B" ignored | |
2122 | if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
2123 | ac_cv_path_NM="$ac_dir/nm -B" | |
2124 | break | |
2125 | elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
2126 | ac_cv_path_NM="$ac_dir/nm -p" | |
2127 | break | |
2128 | else | |
2129 | ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but | |
2130 | continue # so that we can try to find one that supports BSD flags | |
2131 | fi | |
2132 | fi | |
2133 | done | |
2134 | IFS="$ac_save_ifs" | |
2135 | test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm | |
2136 | fi]) | |
2137 | NM="$ac_cv_path_NM" | |
2138 | AC_MSG_RESULT([$NM]) | |
2139 | ]) | |
2140 | ||
3840fa2a BK |
2141 | # AC_CHECK_LIBM - check for math library |
2142 | AC_DEFUN(AC_CHECK_LIBM, | |
b2dad0e3 | 2143 | [AC_REQUIRE([AC_CANONICAL_HOST])dnl |
3840fa2a BK |
2144 | LIBM= |
2145 | case "$lt_target" in | |
2146 | *-*-beos* | *-*-cygwin*) | |
2147 | # These system don't have libm | |
b2dad0e3 | 2148 | ;; |
3840fa2a BK |
2149 | *-ncr-sysv4.3*) |
2150 | AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") | |
2151 | AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") | |
209fe19b | 2152 | ;; |
3840fa2a BK |
2153 | *) |
2154 | AC_CHECK_LIB(m, main, LIBM="-lm") | |
b2dad0e3 BK |
2155 | ;; |
2156 | esac | |
2157 | ]) | |
2158 | ||
2159 | # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for | |
2160 | # the libltdl convenience library, adds --enable-ltdl-convenience to | |
2161 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
2162 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
2163 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
2164 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
2165 | # flat, and, if you're not using automake, define top_builddir as | |
2166 | # appropriate in the Makefiles. | |
3840fa2a | 2167 | AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl |
b2dad0e3 BK |
2168 | case "$enable_ltdl_convenience" in |
2169 | no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; | |
2170 | "") enable_ltdl_convenience=yes | |
2171 | ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; | |
2172 | esac | |
2173 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la | |
3840fa2a | 2174 | INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) |
b2dad0e3 BK |
2175 | ]) |
2176 | ||
2177 | # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for | |
2178 | # the libltdl installable library, and adds --enable-ltdl-install to | |
2179 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
2180 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
2181 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
2182 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
2183 | # flat, and, if you're not using automake, define top_builddir as | |
2184 | # appropriate in the Makefiles. | |
2185 | # In the future, this macro may have to be called after AC_PROG_LIBTOOL. | |
3840fa2a BK |
2186 | AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl |
2187 | AC_CHECK_LIB(ltdl, main, | |
2188 | [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], | |
2189 | [if test x"$enable_ltdl_install" = xno; then | |
2190 | AC_MSG_WARN([libltdl not installed, but installation disabled]) | |
2191 | else | |
2192 | enable_ltdl_install=yes | |
2193 | fi | |
b2dad0e3 | 2194 | ]) |
3840fa2a BK |
2195 | if test x"$enable_ltdl_install" = x"yes"; then |
2196 | ac_configure_args="$ac_configure_args --enable-ltdl-install" | |
b2dad0e3 | 2197 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la |
3840fa2a BK |
2198 | INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) |
2199 | else | |
2200 | ac_configure_args="$ac_configure_args --enable-ltdl-install=no" | |
2201 | LIBLTDL="-lltdl" | |
2202 | INCLTDL= | |
b2dad0e3 BK |
2203 | fi |
2204 | ]) | |
2205 | ||
2206 | dnl old names | |
2207 | AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl | |
2208 | AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl | |
2209 | AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl | |
2210 | AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl | |
2211 | AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl | |
2212 | AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl | |
2213 | AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl | |
3840fa2a BK |
2214 | |
2215 | dnl This is just to silence aclocal about the macro not being used | |
2216 | ifelse([AC_DISABLE_FAST_INSTALL])dnl | |
b2dad0e3 BK |
2217 | |
2218 | # Like AC_CONFIG_HEADER, but automatically create stamp file. | |
2219 | ||
2220 | AC_DEFUN(AM_CONFIG_HEADER, | |
2221 | [AC_PREREQ([2.12]) | |
2222 | AC_CONFIG_HEADER([$1]) | |
2223 | dnl When config.status generates a header, we must update the stamp-h file. | |
2224 | dnl This file resides in the same directory as the config header | |
2225 | dnl that is generated. We must strip everything past the first ":", | |
2226 | dnl and everything past the last "/". | |
2227 | AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl | |
2228 | ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>, | |
2229 | <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>, | |
2230 | <<am_indx=1 | |
2231 | for am_file in <<$1>>; do | |
2232 | case " <<$>>CONFIG_HEADERS " in | |
2233 | *" <<$>>am_file "*<<)>> | |
2234 | echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx | |
2235 | ;; | |
2236 | esac | |
2237 | am_indx=`expr "<<$>>am_indx" + 1` | |
2238 | done<<>>dnl>>) | |
2239 | changequote([,]))]) | |
2240 |