]>
Commit | Line | Data |
---|---|---|
b2dad0e3 BK |
1 | dnl |
2 | dnl Initialize configure bits. | |
3 | dnl | |
4 | dnl Define OPTLEVEL='-O2' if new inlining code present. | |
5 | dnl | |
6 | dnl GLIBCPP_CONFIGURE | |
7 | AC_DEFUN(GLIBCPP_CONFIGURE, [ | |
8 | dnl Default to --enable-multilib | |
9 | AC_ARG_ENABLE(multilib, | |
10 | [ --enable-multilib build hella library versions (default)], | |
11 | [case "${enableval}" in | |
12 | yes) multilib=yes ;; | |
13 | no) multilib=no ;; | |
14 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; | |
15 | esac], [multilib=yes])dnl | |
16 | ||
17 | dnl We may get other options which we dont document: | |
18 | dnl --with-target-subdir, --with-multisrctop, --with-multisubdir | |
19 | if test "[$]{srcdir}" = "."; then | |
20 | if test "[$]{with_target_subdir}" != "."; then | |
21 | glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1" | |
22 | else | |
23 | glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}$1" | |
24 | fi | |
25 | else | |
26 | glibcpp_basedir="[$]{srcdir}/$1" | |
27 | fi | |
28 | AC_SUBST(glibcpp_basedir) | |
29 | ||
30 | AC_CANONICAL_HOST | |
31 | ||
32 | AM_INIT_AUTOMAKE(libstdc++, 2.90.8) | |
33 | ||
34 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is | |
35 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We | |
36 | # are probably using a cross compiler, which will not be able to fully | |
37 | # link an executable. This should really be fixed in autoconf | |
38 | # itself. | |
39 | ||
40 | AC_DEFUN(LIB_AC_PROG_CC, | |
41 | [AC_BEFORE([$0], [AC_PROG_CPP])dnl | |
42 | dnl Fool anybody using AC_PROG_CC. | |
43 | AC_PROVIDE([AC_PROG_CC]) | |
44 | AC_CHECK_PROG(CC, gcc, gcc) | |
45 | if test -z "$CC"; then | |
46 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) | |
47 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) | |
48 | fi | |
49 | ||
50 | AC_PROG_CC_GNU | |
51 | ||
52 | if test $ac_cv_prog_gcc = yes; then | |
53 | GCC=yes | |
54 | dnl Check whether -g works, even if CFLAGS is set, in case the package | |
55 | dnl plays around with CFLAGS (such as to build both debugging and | |
56 | dnl normal versions of a library), tasteless as that idea is. | |
57 | ac_test_CFLAGS="${CFLAGS+set}" | |
58 | ac_save_CFLAGS="$CFLAGS" | |
59 | CFLAGS= | |
60 | AC_PROG_CC_G | |
61 | if test "$ac_test_CFLAGS" = set; then | |
62 | CFLAGS="$ac_save_CFLAGS" | |
63 | elif test $ac_cv_prog_cc_g = yes; then | |
64 | CFLAGS="-g -O2" | |
65 | else | |
66 | CFLAGS="-O2" | |
67 | fi | |
68 | else | |
69 | GCC= | |
70 | test "${CFLAGS+set}" = set || CFLAGS="-g" | |
71 | fi | |
72 | ]) | |
73 | ||
74 | LIB_AC_PROG_CC | |
75 | ||
76 | # Likewise for AC_PROG_CXX. | |
77 | AC_DEFUN(LIB_AC_PROG_CXX, | |
78 | [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl | |
79 | dnl Fool anybody using AC_PROG_CXX. | |
80 | AC_PROVIDE([AC_PROG_CXX]) | |
81 | AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc) | |
82 | test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) | |
83 | ||
84 | AC_PROG_CXX_GNU | |
85 | ||
86 | if test $ac_cv_prog_gxx = yes; then | |
87 | GXX=yes | |
88 | dnl Check whether -g works, even if CXXFLAGS is set, in case the package | |
89 | dnl plays around with CXXFLAGS (such as to build both debugging and | |
90 | dnl normal versions of a library), tasteless as that idea is. | |
91 | ac_test_CXXFLAGS="${CXXFLAGS+set}" | |
92 | ac_save_CXXFLAGS="$CXXFLAGS" | |
93 | CXXFLAGS= | |
94 | AC_PROG_CXX_G | |
95 | if test "$ac_test_CXXFLAGS" = set; then | |
96 | CXXFLAGS="$ac_save_CXXFLAGS" | |
97 | elif test $ac_cv_prog_cxx_g = yes; then | |
98 | CXXFLAGS="-g -O2" | |
99 | else | |
100 | CXXFLAGS="-O2" | |
101 | fi | |
102 | else | |
103 | GXX= | |
104 | test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" | |
105 | fi | |
106 | ]) | |
107 | ||
108 | LIB_AC_PROG_CXX | |
109 | ||
110 | # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we dont | |
111 | # run it explicitly here, it will be run implicitly before | |
112 | # LIBGCJ_CONFIGURE, which doesn't work because that means that it will | |
113 | # be run before AC_CANONICAL_HOST. | |
114 | AC_CANONICAL_BUILD | |
115 | ||
116 | AC_CHECK_TOOL(AS, as) | |
117 | AC_CHECK_TOOL(AR, ar) | |
118 | AC_CHECK_TOOL(RANLIB, ranlib, :) | |
119 | ||
120 | AC_PROG_INSTALL | |
121 | ||
122 | AM_MAINTAINER_MODE | |
123 | ||
124 | # We need AC_EXEEXT to keep automake happy in cygnus mode. However, | |
125 | # at least currently, we never actually build a program, so we never | |
126 | # need to use $(EXEEXT). Moreover, the test for EXEEXT normally | |
127 | # fails, because we are probably configuring with a cross compiler | |
128 | # which cant create executables. So we include AC_EXEEXT to keep | |
129 | # automake happy, but we dont execute it, since we dont care about | |
130 | # the result. | |
131 | if false; then | |
132 | AC_EXEEXT | |
133 | fi | |
134 | ||
135 | # configure.host sets the following important variables | |
136 | # glibcpp_cflags - host specific C compiler flags | |
137 | # glibcpp_cxxflags - host specific C++ compiler flags | |
138 | ||
139 | glibcpp_cflags= | |
140 | glibcpp_cxxflags= | |
141 | ||
142 | . [$]{glibcpp_basedir}/configure.host | |
143 | ||
144 | case [$]{glibcpp_basedir} in | |
145 | /* | [A-Za-z]:[/\\]*) libgcj_flagbasedir=[$]{glibcpp_basedir} ;; | |
146 | *) glibcpp_flagbasedir='[$](top_builddir)/'[$]{glibcpp_basedir} ;; | |
147 | esac | |
148 | ||
149 | GLIBCPP_CFLAGS="[$]{glibcpp_cflags}" | |
150 | GLIBCPP_CXXFLAGS="[$]{glibcpp_cxxflags}" | |
151 | AC_SUBST(GLIBCPP_CFLAGS) | |
152 | AC_SUBST(GLIBCPP_CXXFLAGS) | |
153 | ]) | |
154 | ||
155 | ||
156 | dnl | |
8bd636c5 | 157 | dnl Check to see if g++ can compile this library, and if so, if any version- |
c470c17d BK |
158 | dnl specific precautions need to be taken. |
159 | dnl | |
160 | dnl GLIBCPP_CHECK_COMPILER_VERSION | |
161 | AC_DEFUN(GLIBCPP_CHECK_COMPILER_VERSION, [ | |
162 | ||
163 | # Sanity check that g++ is capable of dealing with v-3. | |
164 | AC_MSG_CHECKING([for g++ that will successfully compile this code]) | |
165 | AC_EGREP_CPP([ok], [ | |
166 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) | |
167 | ok | |
168 | #endif | |
169 | ], gpp_satisfactory=yes, AC_MSG_ERROR("please upgrade to gcc-2.95 or above")) | |
170 | AC_MSG_RESULT($gpp_satisfactory) | |
171 | ]) | |
172 | ||
173 | ||
174 | dnl | |
175 | dnl Test for newer compiler features, or features that are present in newer | |
d3a12960 BK |
176 | dnl compiler version but not older compiler versions should be placed |
177 | dnl here. | |
b2dad0e3 | 178 | dnl |
c470c17d BK |
179 | dnl Define WFMT_FLAGS='-fdiagnostics-show-location=once' if possible |
180 | dnl | |
8bd636c5 | 181 | dnl Define WERROR='-Werror' if possible; g++'s that lack the new inlining |
c470c17d | 182 | dnl code or the new system_header pragma will die. |
b2dad0e3 | 183 | dnl |
c470c17d BK |
184 | dnl Define SECTION_FLAGS='-ffunction-sections -fdata-sections' if |
185 | dnl compiler supports it. | |
186 | dnl GLIBCPP_CHECK_COMPILER_FEATURES | |
187 | AC_DEFUN(GLIBCPP_CHECK_COMPILER_FEATURES, [ | |
a4e99046 PE |
188 | # All these tests are for C++; save the language and the compiler flags. |
189 | # The CXXFLAGS thing is suspicious, but based on similar bits | |
190 | # found in GLIBCPP_CONFIGURE. | |
191 | AC_LANG_SAVE | |
192 | AC_LANG_CPLUSPLUS | |
193 | ac_test_CXXFLAGS="${CXXFLAGS+set}" | |
194 | ac_save_CXXFLAGS="$CXXFLAGS" | |
195 | WERROR='-Werror' | |
196 | ||
d3a12960 BK |
197 | # Check for pragma system_header. |
198 | AC_MSG_CHECKING([for g++ that supports pragma system_header]) | |
8bd636c5 PE |
199 | CXXFLAGS='-Wunknown-pragmas -Werror' |
200 | AC_TRY_COMPILE([#pragma system_header], [int foo; | |
11a6e9a7 | 201 | ], [ac_newpragma=yes], [ac_newpragma=no]) |
8bd636c5 PE |
202 | if test "$ac_test_CXXFLAGS" = set; then |
203 | CXXFLAGS="$ac_save_CXXFLAGS" | |
204 | else | |
205 | # this is the suspicious part | |
206 | CXXFLAGS='' | |
207 | fi | |
11a6e9a7 PE |
208 | if test "$ac_newpragma" = "no"; then |
209 | WERROR="$WERROR -Wno-unknown-pragmas" | |
8bd636c5 | 210 | fi |
11a6e9a7 | 211 | AC_MSG_RESULT($ac_newpragma) |
8bd636c5 | 212 | |
d3a12960 BK |
213 | # Check for more sophisticated diagnostic control. |
214 | AC_MSG_CHECKING([for g++ that supports -fdiagnostics-show-location=once]) | |
a4e99046 PE |
215 | CXXFLAGS='-fdiagnostics-show-location=once' |
216 | AC_TRY_COMPILE(, [int foo; | |
217 | ], [ac_gabydiags=yes], [ac_gabydiags=no]) | |
218 | if test "$ac_test_CXXFLAGS" = set; then | |
219 | CXXFLAGS="$ac_save_CXXFLAGS" | |
220 | else | |
221 | # this is the suspicious part | |
222 | CXXFLAGS='' | |
223 | fi | |
224 | if test "$ac_gabydiags" = "yes"; then | |
c470c17d | 225 | WFMT_FLAGS='-fdiagnostics-show-location=once' |
a4e99046 PE |
226 | fi |
227 | AC_MSG_RESULT($ac_gabydiags) | |
228 | ||
c470c17d BK |
229 | # Check for -ffunction-sections -fdata-sections |
230 | AC_MSG_CHECKING([for g++ that supports -ffunction-sections -fdata-sections]) | |
231 | CXXFLAGS='-ffunction-sections -fdata-sections' | |
232 | AC_TRY_COMPILE(, [int foo; | |
233 | ], [ac_fdsections=yes], [ac_fdsections=no]) | |
234 | if test "$ac_test_CXXFLAGS" = set; then | |
235 | CXXFLAGS="$ac_save_CXXFLAGS" | |
236 | else | |
237 | # this is the suspicious part | |
238 | CXXFLAGS='' | |
239 | fi | |
240 | if test "$ac_fdsections" = "yes"; then | |
241 | SECTION_FLAGS='-ffunction-sections -fdata-sections' | |
242 | fi | |
243 | AC_MSG_RESULT($ac_fdsections) | |
244 | ||
a4e99046 | 245 | AC_LANG_RESTORE |
8bd636c5 | 246 | AC_SUBST(WERROR) |
c470c17d BK |
247 | AC_SUBST(WFMT_FLAGS) |
248 | AC_SUBST(SECTION_FLAGS) | |
b2dad0e3 BK |
249 | ]) |
250 | ||
c470c17d BK |
251 | |
252 | dnl | |
253 | dnl Check to see if tricky linker opts can be used. | |
254 | dnl | |
255 | dnl Define SECTION_LDFLAGS='-Wl,--gc-sections' if possible | |
256 | dnl GLIBCPP_CHECK_LINKER_FEATURES | |
257 | AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [ | |
258 | # All these tests are for C++; save the language and the compiler flags. | |
259 | # The CXXFLAGS thing is suspicious, but based on similar bits | |
260 | # found in GLIBCPP_CONFIGURE. | |
261 | AC_LANG_SAVE | |
262 | AC_LANG_CPLUSPLUS | |
263 | ||
264 | # Check for -Wl,--gc-sections | |
265 | AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections]) | |
266 | CXXFLAGS='-Wl,--gc-sections' | |
267 | AC_TRY_COMPILE(, [int foo; | |
268 | ], [ac_sectionLDflags=yes], [ac_sectionLFflags=no]) | |
269 | if test "$ac_test_CXXFLAGS" = set; then | |
270 | CXXFLAGS="$ac_save_CXXFLAGS" | |
271 | else | |
272 | # this is the suspicious part | |
273 | CXXFLAGS='' | |
274 | fi | |
275 | if test "$ac_sectionLDflags" = "yes"; then | |
276 | SECTION_LDFLAGS='-Wl,--gc-sections' | |
277 | fi | |
278 | AC_MSG_RESULT($ac_sectionLDflags) | |
279 | ||
280 | AC_LANG_RESTORE | |
281 | AC_SUBST(SECTION_LDFLAGS) | |
282 | ]) | |
283 | ||
284 | ||
b2dad0e3 BK |
285 | dnl |
286 | dnl Check to see what builtin math functions are supported | |
287 | dnl | |
54fa7415 SK |
288 | dnl check for __builtin_acos |
289 | dnl check for __builtin_acosf | |
290 | dnl check for __builtin_acosl | |
291 | dnl check for __builtin_asin | |
292 | dnl check for __builtin_asinf | |
293 | dnl check for __builtin_asinl | |
294 | dnl check for __builtin_atan | |
295 | dnl check for __builtin_atanf | |
296 | dnl check for __builtin_atanl | |
297 | dnl check for __builtin_atan2 | |
298 | dnl check for __builtin_atan2f | |
299 | dnl check for __builtin_atan2l | |
300 | dnl check for __builtin_ceil | |
301 | dnl check for __builtin_ceilf | |
302 | dnl check for __builtin_ceill | |
303 | dnl check for __builtin_cos | |
304 | dnl check for __builtin_cosf | |
305 | dnl check for __builtin_cosl | |
306 | dnl check for __builtin_cosh | |
307 | dnl check for __builtin_coshf | |
308 | dnl check for __builtin_coshl | |
309 | dnl check for __builtin_exp | |
310 | dnl check for __builtin_expf | |
311 | dnl check for __builtin_expl | |
312 | dnl check for __builtin_fabs | |
313 | dnl check for __builtin_fabsf | |
314 | dnl check for __builtin_fabsl | |
315 | dnl check for __builtin_floor | |
316 | dnl check for __builtin_floorf | |
317 | dnl check for __builtin_floorl | |
5ae55a2e BK |
318 | dnl check for __builtin_fmod |
319 | dnl check for __builtin_fmodf | |
320 | dnl check for __builtin_fmodl | |
54fa7415 SK |
321 | dnl check for __builtin_frexp |
322 | dnl check for __builtin_frexpf | |
323 | dnl check for __builtin_frexpl | |
324 | dnl check for __builtin_ldexp | |
325 | dnl check for __builtin_ldexpf | |
326 | dnl check for __builtin_ldexpl | |
327 | dnl check for __builtin_log | |
328 | dnl check for __builtin_logf | |
329 | dnl check for __builtin_logl | |
330 | dnl check for __builtin_log10 | |
331 | dnl check for __builtin_log10f | |
332 | dnl check for __builtin_log10l | |
333 | dnl check for __builtin_modf | |
334 | dnl check for __builtin_modff | |
335 | dnl check for __builtin_modfl | |
336 | dnl check for __builtin_pow | |
337 | dnl check for __builtin_powf | |
338 | dnl check for __builtin_powl | |
339 | dnl check for __builtin_sin | |
340 | dnl check for __builtin_sinf | |
341 | dnl check for __builtin_sinl | |
342 | dnl check for __builtin_sinh | |
343 | dnl check for __builtin_sinhf | |
344 | dnl check for __builtin_sinhl | |
345 | dnl check for __builtin_sqrt | |
346 | dnl check for __builtin_sqrtf | |
347 | dnl check for __builtin_sqrtl | |
348 | dnl check for __builtin_tan | |
349 | dnl check for __builtin_tanf | |
350 | dnl check for __builtin_tanl | |
351 | dnl check for __builtin_tanh | |
352 | dnl check for __builtin_tanhf | |
353 | dnl check for __builtin_tanhl | |
b2dad0e3 BK |
354 | dnl GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT |
355 | AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT, [ | |
356 | dnl Test for builtin math functions. | |
54fa7415 SK |
357 | AC_LANG_SAVE |
358 | AC_LANG_CPLUSPLUS | |
359 | AC_MSG_CHECKING([for __builtin_acos]) | |
b2dad0e3 | 360 | AC_TRY_COMPILE([#include <math.h>], |
54fa7415 SK |
361 | [ __builtin_acos(0.0);], |
362 | use_builtin_acos=yes, use_builtin_acos=no) | |
363 | AC_MSG_RESULT($use_builtin_acos) | |
364 | if test $use_builtin_acos = "yes"; then | |
365 | AC_DEFINE(HAVE_BUILTIN_ACOS) | |
366 | fi | |
367 | AC_MSG_CHECKING([for __builtin_acosf]) | |
368 | AC_TRY_COMPILE([#include <math.h>], | |
369 | [ __builtin_acosf(0.0);], | |
370 | use_builtin_acosf=yes, use_builtin_acosf=no) | |
371 | AC_MSG_RESULT($use_builtin_acosf) | |
372 | if test $use_builtin_acosf = "yes"; then | |
373 | AC_DEFINE(HAVE_BUILTIN_ACOSF) | |
374 | fi | |
375 | AC_MSG_CHECKING([for __builtin_acosl]) | |
376 | AC_TRY_COMPILE([#include <math.h>], | |
377 | [ __builtin_acosl(0.0);], | |
378 | use_builtin_acosl=yes, use_builtin_acosl=no) | |
379 | AC_MSG_RESULT($use_builtin_acosl) | |
380 | if test $use_builtin_acosl = "yes"; then | |
381 | AC_DEFINE(HAVE_BUILTIN_ACOSL) | |
382 | fi | |
383 | AC_MSG_CHECKING([for __builtin_asin]) | |
384 | AC_TRY_COMPILE([#include <math.h>], | |
385 | [ __builtin_asin(0.0);], | |
386 | use_builtin_asin=yes, use_builtin_asin=no) | |
387 | AC_MSG_RESULT($use_builtin_asin) | |
388 | if test $use_builtin_asin = "yes"; then | |
389 | AC_DEFINE(HAVE_BUILTIN_ASIN) | |
390 | fi | |
391 | AC_MSG_CHECKING([for __builtin_asinf]) | |
392 | AC_TRY_COMPILE([#include <math.h>], | |
393 | [ __builtin_asinf(0.0);], | |
394 | use_builtin_asinf=yes, use_builtin_asinf=no) | |
395 | AC_MSG_RESULT($use_builtin_asinf) | |
396 | if test $use_builtin_asinf = "yes"; then | |
397 | AC_DEFINE(HAVE_BUILTIN_ASINF) | |
398 | fi | |
399 | AC_MSG_CHECKING([for __builtin_asinl]) | |
400 | AC_TRY_COMPILE([#include <math.h>], | |
401 | [ __builtin_asinl(0.0);], | |
402 | use_builtin_asinl=yes, use_builtin_asinl=no) | |
403 | AC_MSG_RESULT($use_builtin_asinl) | |
404 | if test $use_builtin_asinl = "yes"; then | |
405 | AC_DEFINE(HAVE_BUILTIN_ASINL) | |
406 | fi | |
407 | AC_MSG_CHECKING([for __builtin_atan]) | |
408 | AC_TRY_COMPILE([#include <math.h>], | |
409 | [ __builtin_atan(0.0);], | |
410 | use_builtin_atan=yes, use_builtin_atan=no) | |
411 | AC_MSG_RESULT($use_builtin_atan) | |
412 | if test $use_builtin_atan = "yes"; then | |
413 | AC_DEFINE(HAVE_BUILTIN_ATAN) | |
414 | fi | |
415 | AC_MSG_CHECKING([for __builtin_atanf]) | |
416 | AC_TRY_COMPILE([#include <math.h>], | |
417 | [ __builtin_atanf(0.0);], | |
418 | use_builtin_atanf=yes, use_builtin_atanf=no) | |
419 | AC_MSG_RESULT($use_builtin_atanf) | |
420 | if test $use_builtin_atanf = "yes"; then | |
421 | AC_DEFINE(HAVE_BUILTIN_ATANF) | |
422 | fi | |
423 | AC_MSG_CHECKING([for __builtin_atanl]) | |
424 | AC_TRY_COMPILE([#include <math.h>], | |
425 | [ __builtin_atanl(0.0);], | |
426 | use_builtin_atanl=yes, use_builtin_atanl=no) | |
427 | AC_MSG_RESULT($use_builtin_atanl) | |
428 | if test $use_builtin_atanl = "yes"; then | |
429 | AC_DEFINE(HAVE_BUILTIN_ATANL) | |
430 | fi | |
431 | AC_MSG_CHECKING([for __builtin_atan2]) | |
432 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 433 | [ __builtin_atan2(0.0, 0.0);], |
54fa7415 SK |
434 | use_builtin_atan2=yes, use_builtin_atan2=no) |
435 | AC_MSG_RESULT($use_builtin_atan2) | |
436 | if test $use_builtin_atan2 = "yes"; then | |
437 | AC_DEFINE(HAVE_BUILTIN_ATAN2) | |
438 | fi | |
439 | AC_MSG_CHECKING([for __builtin_atan2f]) | |
440 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 441 | [ __builtin_atan2f(0.0, 0.0);], |
54fa7415 SK |
442 | use_builtin_atan2f=yes, use_builtin_atan2f=no) |
443 | AC_MSG_RESULT($use_builtin_atan2f) | |
444 | if test $use_builtin_atan2f = "yes"; then | |
445 | AC_DEFINE(HAVE_BUILTIN_ATAN2F) | |
446 | fi | |
447 | AC_MSG_CHECKING([for __builtin_atan2l]) | |
448 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 449 | [ __builtin_atan2l(0.0, 0.0);], |
54fa7415 SK |
450 | use_builtin_atan2l=yes, use_builtin_atan2l=no) |
451 | AC_MSG_RESULT($use_builtin_atan2l) | |
452 | if test $use_builtin_atan2l = "yes"; then | |
453 | AC_DEFINE(HAVE_BUILTIN_ATAN2L) | |
454 | fi | |
455 | AC_MSG_CHECKING([for __builtin_ceil]) | |
456 | AC_TRY_COMPILE([#include <math.h>], | |
457 | [ __builtin_fceil(0.0);], | |
458 | use_builtin_ceil=yes, use_builtin_ceil=no) | |
459 | AC_MSG_RESULT($use_builtin_ceil) | |
460 | if test $use_builtin_ceil = "yes"; then | |
461 | AC_DEFINE(HAVE_BUILTIN_CEIL) | |
462 | fi | |
463 | AC_MSG_CHECKING([for __builtin_ceilf]) | |
464 | AC_TRY_COMPILE([#include <math.h>], | |
465 | [ __builtin_ceilf(0.0);], | |
466 | use_builtin_ceilf=yes, use_builtin_ceilf=no) | |
467 | AC_MSG_RESULT($use_builtin_ceilf) | |
468 | if test $use_builtin_ceilf = "yes"; then | |
469 | AC_DEFINE(HAVE_BUILTIN_CEILF) | |
470 | fi | |
471 | AC_MSG_CHECKING([for __builtin_ceill]) | |
472 | AC_TRY_COMPILE([#include <math.h>], | |
473 | [ __builtin_ceill(0.0);], | |
474 | use_builtin_ceill=yes, use_builtin_ceill=no) | |
475 | AC_MSG_RESULT($use_builtin_ceill) | |
476 | if test $use_builtin_ceill = "yes"; then | |
477 | AC_DEFINE(HAVE_BUILTIN_CEILL) | |
478 | fi | |
479 | AC_MSG_CHECKING([for __builtin_cos]) | |
480 | AC_TRY_COMPILE([#include <math.h>], | |
481 | [ __builtin_cos(0.0);], | |
482 | use_builtin_cos=yes, use_builtin_cos=no) | |
483 | AC_MSG_RESULT($use_builtin_cos) | |
484 | if test $use_builtin_cos = "yes"; then | |
485 | AC_DEFINE(HAVE_BUILTIN_COS) | |
b2dad0e3 | 486 | fi |
b2dad0e3 BK |
487 | AC_MSG_CHECKING([for __builtin_cosf]) |
488 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 489 | [ __builtin_cosf(0.0);], |
b2dad0e3 BK |
490 | use_builtin_cosf=yes, use_builtin_cosf=no) |
491 | AC_MSG_RESULT($use_builtin_cosf) | |
492 | if test $use_builtin_cosf = "yes"; then | |
54fa7415 SK |
493 | AC_DEFINE(HAVE_BUILTIN_COSF) |
494 | fi | |
495 | AC_MSG_CHECKING([for __builtin_cosl]) | |
496 | AC_TRY_COMPILE([#include <math.h>], | |
497 | [ __builtin_cosl(0.0);], | |
498 | use_builtin_cosl=yes, use_builtin_cosl=no) | |
499 | AC_MSG_RESULT($use_builtin_cosl) | |
500 | if test $use_builtin_cosl = "yes"; then | |
501 | AC_DEFINE(HAVE_BUILTIN_COSL) | |
502 | fi | |
503 | AC_MSG_CHECKING([for __builtin_cosh]) | |
504 | AC_TRY_COMPILE([#include <math.h>], | |
505 | [ __builtin_cosh(0.0);], | |
506 | use_builtin_cosh=yes, use_builtin_cosh=no) | |
507 | AC_MSG_RESULT($use_builtin_cosh) | |
508 | if test $use_builtin_cosh = "yes"; then | |
509 | AC_DEFINE(HAVE_BUILTIN_COSH) | |
510 | fi | |
511 | AC_MSG_CHECKING([for __builtin_coshf]) | |
512 | AC_TRY_COMPILE([#include <math.h>], | |
513 | [ __builtin_coshf(0.0);], | |
514 | use_builtin_coshf=yes, use_builtin_coshf=no) | |
515 | AC_MSG_RESULT($use_builtin_coshf) | |
516 | if test $use_builtin_coshf = "yes"; then | |
517 | AC_DEFINE(HAVE_BUILTIN_COSHF) | |
518 | fi | |
519 | AC_MSG_CHECKING([for __builtin_coshl]) | |
520 | AC_TRY_COMPILE([#include <math.h>], | |
521 | [ __builtin_coshl(0.0);], | |
522 | use_builtin_coshl=yes, use_builtin_coshl=no) | |
523 | AC_MSG_RESULT($use_builtin_coshl) | |
524 | if test $use_builtin_coshl = "yes"; then | |
525 | AC_DEFINE(HAVE_BUILTIN_COSHL) | |
526 | fi | |
527 | AC_MSG_CHECKING([for __builtin_exp]) | |
528 | AC_TRY_COMPILE([#include <math.h>], | |
529 | [ __builtin_exp(0.0);], | |
530 | use_builtin_exp=yes, use_builtin_exp=no) | |
531 | AC_MSG_RESULT($use_builtin_exp) | |
532 | if test $use_builtin_exp = "yes"; then | |
533 | AC_DEFINE(HAVE_BUILTIN_EXP) | |
534 | fi | |
535 | AC_MSG_CHECKING([for __builtin_expf]) | |
536 | AC_TRY_COMPILE([#include <math.h>], | |
537 | [ __builtin_expf(0.0);], | |
538 | use_builtin_expf=yes, use_builtin_expf=no) | |
539 | AC_MSG_RESULT($use_builtin_expf) | |
540 | if test $use_builtin_expf = "yes"; then | |
541 | AC_DEFINE(HAVE_BUILTIN_EXPF) | |
542 | fi | |
543 | AC_MSG_CHECKING([for __builtin_expl]) | |
544 | AC_TRY_COMPILE([#include <math.h>], | |
545 | [ __builtin_expl(0.0);], | |
546 | use_builtin_expl=yes, use_builtin_expl=no) | |
547 | AC_MSG_RESULT($use_builtin_expl) | |
548 | if test $use_builtin_expl = "yes"; then | |
549 | AC_DEFINE(HAVE_BUILTIN_EXPL) | |
550 | fi | |
551 | AC_MSG_CHECKING([for __builtin_fabs]) | |
552 | AC_TRY_COMPILE([#include <math.h>], | |
553 | [ __builtin_fabs(0.0);], | |
554 | use_builtin_fabs=yes, use_builtin_fabs=no) | |
555 | AC_MSG_RESULT($use_builtin_fabs) | |
556 | if test $use_builtin_fabs = "yes"; then | |
557 | AC_DEFINE(HAVE_BUILTIN_FABS) | |
b2dad0e3 | 558 | fi |
b2dad0e3 BK |
559 | AC_MSG_CHECKING([for __builtin_fabsf]) |
560 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 561 | [ __builtin_fabsf(0.0);], |
b2dad0e3 BK |
562 | use_builtin_fabsf=yes, use_builtin_fabsf=no) |
563 | AC_MSG_RESULT($use_builtin_fabsf) | |
564 | if test $use_builtin_fabsf = "yes"; then | |
54fa7415 SK |
565 | AC_DEFINE(HAVE_BUILTIN_FABSF) |
566 | fi | |
567 | AC_MSG_CHECKING([for __builtin_fabsl]) | |
568 | AC_TRY_COMPILE([#include <math.h>], | |
569 | [ __builtin_fabsl(0.0);], | |
570 | use_builtin_fabsl=yes, use_builtin_fabsl=no) | |
571 | AC_MSG_RESULT($use_builtin_fabsl) | |
572 | if test $use_builtin_fabsl = "yes"; then | |
573 | AC_DEFINE(HAVE_BUILTIN_FABSL) | |
574 | fi | |
575 | AC_MSG_CHECKING([for __builtin_floor]) | |
576 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 577 | [ __builtin_floor(0.0);], |
54fa7415 SK |
578 | use_builtin_floor=yes, use_builtin_floor=no) |
579 | AC_MSG_RESULT($use_builtin_floor) | |
580 | if test $use_builtin_floor = "yes"; then | |
581 | AC_DEFINE(HAVE_BUILTIN_FLOOR) | |
582 | fi | |
583 | AC_MSG_CHECKING([for __builtin_floorf]) | |
584 | AC_TRY_COMPILE([#include <math.h>], | |
585 | [ __builtin_floorf(0.0);], | |
586 | use_builtin_floorf=yes, use_builtin_floorf=no) | |
587 | AC_MSG_RESULT($use_builtin_floorf) | |
588 | if test $use_builtin_floorf = "yes"; then | |
589 | AC_DEFINE(HAVE_BUILTIN_FLOORF) | |
590 | fi | |
591 | AC_MSG_CHECKING([for __builtin_floorl]) | |
592 | AC_TRY_COMPILE([#include <math.h>], | |
593 | [ __builtin_floorl(0.0);], | |
594 | use_builtin_floorl=yes, use_builtin_floorl=no) | |
595 | AC_MSG_RESULT($use_builtin_floorl) | |
596 | if test $use_builtin_floorl = "yes"; then | |
597 | AC_DEFINE(HAVE_BUILTIN_FLOORL) | |
598 | fi | |
5ae55a2e BK |
599 | AC_MSG_CHECKING([for __builtin_fmod]) |
600 | AC_TRY_COMPILE([#include <math.h>], | |
601 | [ __builtin_fmod(0.0, 0.0);], | |
602 | use_builtin_fmod=yes, use_builtin_fmod=no) | |
603 | AC_MSG_RESULT($use_builtin_fmod) | |
604 | if test $use_builtin_fmod = "yes"; then | |
605 | AC_DEFINE(HAVE_BUILTIN_FMOD) | |
606 | fi | |
607 | AC_MSG_CHECKING([for __builtin_fmodf]) | |
608 | AC_TRY_COMPILE([#include <math.h>], | |
609 | [ __builtin_fmodf(0.0, 0.0);], | |
610 | use_builtin_fmodf=yes, use_builtin_fmodf=no) | |
611 | AC_MSG_RESULT($use_builtin_fmodf) | |
612 | if test $use_builtin_fmodf = "yes"; then | |
613 | AC_DEFINE(HAVE_BUILTIN_FMODF) | |
614 | fi | |
615 | AC_MSG_CHECKING([for __builtin_fmodl]) | |
616 | AC_TRY_COMPILE([#include <math.h>], | |
617 | [ __builtin_fmodl(0.0, 0.0);], | |
618 | use_builtin_fmodl=yes, use_builtin_fmodl=no) | |
619 | AC_MSG_RESULT($use_builtin_fmodl) | |
620 | if test $use_builtin_fmodl = "yes"; then | |
621 | AC_DEFINE(HAVE_BUILTIN_FMODL) | |
622 | fi | |
54fa7415 SK |
623 | AC_MSG_CHECKING([for __builtin_frexp]) |
624 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 625 | [ __builtin_frexp(0.0, 0);], |
54fa7415 SK |
626 | use_builtin_frexp=yes, use_builtin_frexp=no) |
627 | AC_MSG_RESULT($use_builtin_frexp) | |
628 | if test $use_builtin_frexp = "yes"; then | |
629 | AC_DEFINE(HAVE_BUILTIN_FREXP) | |
630 | fi | |
631 | AC_MSG_CHECKING([for __builtin_frexpf]) | |
632 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 633 | [ __builtin_frexpf(0.0, 0);], |
54fa7415 SK |
634 | use_builtin_frexpf=yes, use_builtin_frexpf=no) |
635 | AC_MSG_RESULT($use_builtin_frexpf) | |
636 | if test $use_builtin_frexpf = "yes"; then | |
637 | AC_DEFINE(HAVE_BUILTIN_FREXPF) | |
638 | fi | |
639 | AC_MSG_CHECKING([for __builtin_frexpl]) | |
640 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 641 | [ __builtin_frexpl(0.0, 0);], |
54fa7415 SK |
642 | use_builtin_frexpl=yes, use_builtin_frexpl=no) |
643 | AC_MSG_RESULT($use_builtin_frexpl) | |
644 | if test $use_builtin_frexpl = "yes"; then | |
645 | AC_DEFINE(HAVE_BUILTIN_FREXPL) | |
646 | fi | |
647 | AC_MSG_CHECKING([for __builtin_ldexp]) | |
648 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 649 | [ __builtin_ldexp(0.0, 0);], |
54fa7415 SK |
650 | use_builtin_ldexp=yes, use_builtin_ldexp=no) |
651 | AC_MSG_RESULT($use_builtin_ldexp) | |
652 | if test $use_builtin_ldexp = "yes"; then | |
653 | AC_DEFINE(HAVE_BUILTIN_LDEXP) | |
654 | fi | |
655 | AC_MSG_CHECKING([for __builtin_ldexpf]) | |
656 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 657 | [ __builtin_ldexpf(0.0, 0);], |
54fa7415 SK |
658 | use_builtin_ldexpf=yes, use_builtin_ldexpf=no) |
659 | AC_MSG_RESULT($use_builtin_ldexpf) | |
660 | if test $use_builtin_ldexpf = "yes"; then | |
661 | AC_DEFINE(HAVE_BUILTIN_LDEXPF) | |
662 | fi | |
663 | AC_MSG_CHECKING([for __builtin_ldexpl]) | |
664 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 665 | [ __builtin_ldexpl(0.0, 0);], |
54fa7415 SK |
666 | use_builtin_ldexpl=yes, use_builtin_ldexpl=no) |
667 | AC_MSG_RESULT($use_builtin_ldexpl) | |
668 | if test $use_builtin_ldexpl = "yes"; then | |
669 | AC_DEFINE(HAVE_BUILTIN_LDEXPL) | |
670 | fi | |
671 | AC_MSG_CHECKING([for __builtin_log]) | |
672 | AC_TRY_COMPILE([#include <math.h>], | |
673 | [ __builtin_log(0.0);], | |
674 | use_builtin_log=yes, use_builtin_log=no) | |
675 | AC_MSG_RESULT($use_builtin_log) | |
676 | if test $use_builtin_log = "yes"; then | |
677 | AC_DEFINE(HAVE_BUILTIN_LOG) | |
678 | fi | |
679 | AC_MSG_CHECKING([for __builtin_logf]) | |
680 | AC_TRY_COMPILE([#include <math.h>], | |
681 | [ __builtin_logf(0.0);], | |
682 | use_builtin_logf=yes, use_builtin_logf=no) | |
683 | AC_MSG_RESULT($use_builtin_logf) | |
684 | if test $use_builtin_logf = "yes"; then | |
685 | AC_DEFINE(HAVE_BUILTIN_LOGF) | |
686 | fi | |
687 | AC_MSG_CHECKING([for __builtin_logl]) | |
688 | AC_TRY_COMPILE([#include <math.h>], | |
689 | [ __builtin_logl(0.0);], | |
690 | use_builtin_logl=yes, use_builtin_logl=no) | |
691 | AC_MSG_RESULT($use_builtin_logl) | |
692 | if test $use_builtin_logl = "yes"; then | |
693 | AC_DEFINE(HAVE_BUILTIN_LOGL) | |
694 | fi | |
695 | AC_MSG_CHECKING([for __builtin_log10]) | |
696 | AC_TRY_COMPILE([#include <math.h>], | |
697 | [ __builtin_log10(0.0);], | |
698 | use_builtin_log10=yes, use_builtin_log10=no) | |
699 | AC_MSG_RESULT($use_builtin_log10) | |
700 | if test $use_builtin_log10 = "yes"; then | |
701 | AC_DEFINE(HAVE_BUILTIN_LOG10) | |
702 | fi | |
703 | AC_MSG_CHECKING([for __builtin_log10f]) | |
704 | AC_TRY_COMPILE([#include <math.h>], | |
705 | [ __builtin_log10f(0.0);], | |
706 | use_builtin_log10f=yes, use_builtin_log10f=no) | |
707 | AC_MSG_RESULT($use_builtin_log10f) | |
708 | if test $use_builtin_log10f = "yes"; then | |
709 | AC_DEFINE(HAVE_BUILTIN_LOG10F) | |
710 | fi | |
711 | AC_MSG_CHECKING([for __builtin_log10l]) | |
712 | AC_TRY_COMPILE([#include <math.h>], | |
713 | [ __builtin_log10l(0.0);], | |
714 | use_builtin_log10l=yes, use_builtin_log10l=no) | |
715 | AC_MSG_RESULT($use_builtin_log10l) | |
716 | if test $use_builtin_log10l = "yes"; then | |
717 | AC_DEFINE(HAVE_BUILTIN_LOG10L) | |
718 | fi | |
719 | AC_MSG_CHECKING([for __builtin_modf]) | |
720 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 721 | [ __builtin_modf(0.0, 0);], |
54fa7415 SK |
722 | use_builtin_modf=yes, use_builtin_modf=no) |
723 | AC_MSG_RESULT($use_builtin_modf) | |
724 | if test $use_builtin_modf = "yes"; then | |
725 | AC_DEFINE(HAVE_BUILTIN_MODF) | |
726 | fi | |
727 | AC_MSG_CHECKING([for __builtin_modff]) | |
728 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 729 | [ __builtin_modff(0.0, 0);], |
54fa7415 SK |
730 | use_builtin_modff=yes, use_builtin_modff=no) |
731 | AC_MSG_RESULT($use_builtin_modff) | |
732 | if test $use_builtin_modff = "yes"; then | |
733 | AC_DEFINE(HAVE_BUILTIN_MODFF) | |
734 | fi | |
735 | AC_MSG_CHECKING([for __builtin_modfl]) | |
736 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 737 | [ __builtin_modfl(0.0, 0);], |
54fa7415 SK |
738 | use_builtin_modfl=yes, use_builtin_modfl=no) |
739 | AC_MSG_RESULT($use_builtin_modfl) | |
740 | if test $use_builtin_modfl = "yes"; then | |
741 | AC_DEFINE(HAVE_BUILTIN_MODFL) | |
742 | fi | |
743 | AC_MSG_CHECKING([for __builtin_pow]) | |
744 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 745 | [ __builtin_pow(0.0, 0.0);], |
54fa7415 SK |
746 | use_builtin_pow=yes, use_builtin_pow=no) |
747 | AC_MSG_RESULT($use_builtin_pow) | |
748 | if test $use_builtin_pow = "yes"; then | |
749 | AC_DEFINE(HAVE_BUILTIN_POW) | |
750 | fi | |
751 | AC_MSG_CHECKING([for __builtin_powf]) | |
752 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 753 | [ __builtin_powf(0.0, 0.0);], |
54fa7415 SK |
754 | use_builtin_powf=yes, use_builtin_powf=no) |
755 | AC_MSG_RESULT($use_builtin_powf) | |
756 | if test $use_builtin_powf = "yes"; then | |
757 | AC_DEFINE(HAVE_BUILTIN_POWF) | |
758 | fi | |
759 | AC_MSG_CHECKING([for __builtin_powl]) | |
760 | AC_TRY_COMPILE([#include <math.h>], | |
5ae55a2e | 761 | [ __builtin_powl(0.0, 0.0);], |
54fa7415 SK |
762 | use_builtin_powl=yes, use_builtin_powl=no) |
763 | AC_MSG_RESULT($use_builtin_powl) | |
764 | if test $use_builtin_powl = "yes"; then | |
765 | AC_DEFINE(HAVE_BUILTIN_POWL) | |
766 | fi | |
767 | AC_MSG_CHECKING([for __builtin_sin]) | |
768 | AC_TRY_COMPILE([#include <math.h>], | |
769 | [ __builtin_sin(0.0);], | |
770 | use_builtin_sin=yes, use_builtin_sin=no) | |
771 | AC_MSG_RESULT($use_builtin_sin) | |
772 | if test $use_builtin_sin = "yes"; then | |
773 | AC_DEFINE(HAVE_BUILTIN_SIN) | |
774 | fi | |
775 | AC_MSG_CHECKING([for __builtin_sinf]) | |
776 | AC_TRY_COMPILE([#include <math.h>], | |
777 | [ __builtin_sinf(0.0);], | |
778 | use_builtin_sinf=yes, use_builtin_sinf=no) | |
779 | AC_MSG_RESULT($use_builtin_sinf) | |
780 | if test $use_builtin_sinf = "yes"; then | |
781 | AC_DEFINE(HAVE_BUILTIN_SINF) | |
782 | fi | |
783 | AC_MSG_CHECKING([for __builtin_sinl]) | |
784 | AC_TRY_COMPILE([#include <math.h>], | |
785 | [ __builtin_sinl(0.0);], | |
786 | use_builtin_sinl=yes, use_builtin_sinl=no) | |
787 | AC_MSG_RESULT($use_builtin_sinl) | |
788 | if test $use_builtin_sinl = "yes"; then | |
789 | AC_DEFINE(HAVE_BUILTIN_SINL) | |
790 | fi | |
791 | AC_MSG_CHECKING([for __builtin_sinh]) | |
792 | AC_TRY_COMPILE([#include <math.h>], | |
793 | [ __builtin_sinh(0.0);], | |
794 | use_builtin_sinh=yes, use_builtin_sinh=no) | |
795 | AC_MSG_RESULT($use_builtin_sinh) | |
796 | if test $use_builtin_sinh = "yes"; then | |
797 | AC_DEFINE(HAVE_BUILTIN_SINH) | |
798 | fi | |
799 | AC_MSG_CHECKING([for __builtin_sinhf]) | |
800 | AC_TRY_COMPILE([#include <math.h>], | |
801 | [ __builtin_sinhf(0.0);], | |
802 | use_builtin_sinhf=yes, use_builtin_sinhf=no) | |
803 | AC_MSG_RESULT($use_builtin_sinhf) | |
804 | if test $use_builtin_sinhf = "yes"; then | |
805 | AC_DEFINE(HAVE_BUILTIN_SINHF) | |
806 | fi | |
807 | AC_MSG_CHECKING([for __builtin_sinhl]) | |
808 | AC_TRY_COMPILE([#include <math.h>], | |
809 | [ __builtin_sinhl(0.0);], | |
810 | use_builtin_sinhl=yes, use_builtin_sinhl=no) | |
811 | AC_MSG_RESULT($use_builtin_sinhl) | |
812 | if test $use_builtin_sinhl = "yes"; then | |
813 | AC_DEFINE(HAVE_BUILTIN_SINHL) | |
814 | fi | |
815 | AC_MSG_CHECKING([for __builtin_sqrt]) | |
816 | AC_TRY_COMPILE([#include <math.h>], | |
817 | [ __builtin_fsqrt(0.0);], | |
818 | use_builtin_sqrt=yes, use_builtin_sqrt=no) | |
819 | AC_MSG_RESULT($use_builtin_sqrt) | |
820 | if test $use_builtin_sqrt = "yes"; then | |
821 | AC_DEFINE(HAVE_BUILTIN_SQRT) | |
b2dad0e3 | 822 | fi |
b2dad0e3 BK |
823 | AC_MSG_CHECKING([for __builtin_sqrtf]) |
824 | AC_TRY_COMPILE([#include <math.h>], | |
54fa7415 | 825 | [ __builtin_sqrtf(0.0);], |
b2dad0e3 BK |
826 | use_builtin_sqrtf=yes, use_builtin_sqrtf=no) |
827 | AC_MSG_RESULT($use_builtin_sqrtf) | |
828 | if test $use_builtin_sqrtf = "yes"; then | |
54fa7415 | 829 | AC_DEFINE(HAVE_BUILTIN_SQRTF) |
b2dad0e3 | 830 | fi |
54fa7415 SK |
831 | AC_MSG_CHECKING([for __builtin_sqrtl]) |
832 | AC_TRY_COMPILE([#include <math.h>], | |
833 | [ __builtin_sqrtl(0.0);], | |
834 | use_builtin_sqrtl=yes, use_builtin_sqrtl=no) | |
835 | AC_MSG_RESULT($use_builtin_sqrtl) | |
836 | if test $use_builtin_sqrtl = "yes"; then | |
837 | AC_DEFINE(HAVE_BUILTIN_SQRTL) | |
838 | fi | |
839 | AC_MSG_CHECKING([for __builtin_tan]) | |
840 | AC_TRY_COMPILE([#include <math.h>], | |
841 | [ __builtin_tan(0.0);], | |
842 | use_builtin_tan=yes, use_builtin_tan=no) | |
843 | AC_MSG_RESULT($use_builtin_tan) | |
844 | if test $use_builtin_tan = "yes"; then | |
845 | AC_DEFINE(HAVE_BUILTIN_TAN) | |
846 | fi | |
847 | AC_MSG_CHECKING([for __builtin_tanf]) | |
848 | AC_TRY_COMPILE([#include <math.h>], | |
849 | [ __builtin_tanf(0.0);], | |
850 | use_builtin_tanf=yes, use_builtin_tanf=no) | |
851 | AC_MSG_RESULT($use_builtin_tanf) | |
852 | if test $use_builtin_tanf = "yes"; then | |
853 | AC_DEFINE(HAVE_BUILTIN_TANF) | |
854 | fi | |
855 | AC_MSG_CHECKING([for __builtin_tanl]) | |
856 | AC_TRY_COMPILE([#include <math.h>], | |
857 | [ __builtin_tanl(0.0);], | |
858 | use_builtin_tanl=yes, use_builtin_tanl=no) | |
859 | AC_MSG_RESULT($use_builtin_tanl) | |
860 | if test $use_builtin_tanl = "yes"; then | |
861 | AC_DEFINE(HAVE_BUILTIN_TANL) | |
862 | fi | |
863 | AC_MSG_CHECKING([for __builtin_tanh]) | |
864 | AC_TRY_COMPILE([#include <math.h>], | |
865 | [ __builtin_tanh(0.0);], | |
866 | use_builtin_tanh=yes, use_builtin_tanh=no) | |
867 | AC_MSG_RESULT($use_builtin_tanh) | |
868 | if test $use_builtin_tanh = "yes"; then | |
869 | AC_DEFINE(HAVE_BUILTIN_TANH) | |
870 | fi | |
871 | AC_MSG_CHECKING([for __builtin_tanhf]) | |
872 | AC_TRY_COMPILE([#include <math.h>], | |
873 | [ __builtin_tanhf(0.0);], | |
874 | use_builtin_tanhf=yes, use_builtin_tanhf=no) | |
875 | AC_MSG_RESULT($use_builtin_tanhf) | |
876 | if test $use_builtin_tanhf = "yes"; then | |
877 | AC_DEFINE(HAVE_BUILTIN_TANHF) | |
878 | fi | |
879 | AC_MSG_CHECKING([for __builtin_tanhl]) | |
880 | AC_TRY_COMPILE([#include <math.h>], | |
881 | [ __builtin_tanhl(0.0);], | |
882 | use_builtin_tanhl=yes, use_builtin_tanhl=no) | |
883 | AC_MSG_RESULT($use_builtin_tanhl) | |
884 | if test $use_builtin_tanhl = "yes"; then | |
885 | AC_DEFINE(HAVE_BUILTIN_TANHL) | |
886 | fi | |
887 | AC_LANG_RESTORE | |
b2dad0e3 BK |
888 | ]) |
889 | ||
890 | ||
54fa7415 | 891 | |
b2dad0e3 BK |
892 | dnl Check to see what architecture we are compiling for. If it's |
893 | dnl supported, use special hand-crafted routines to provide thread | |
cde28f0d BK |
894 | dnl primitives. Also, if architecture-specific flags are required for |
895 | dnl compilation, add them here. | |
b2dad0e3 | 896 | dnl |
f3b004d8 BK |
897 | dnl Depending on what is found, select configure/cpu/*/bits/atomicity.h |
898 | dnl If not found, select configure/cpu/generic/bits/atomicity.h | |
b2dad0e3 BK |
899 | dnl |
900 | dnl GLIBCPP_CHECK_CPU | |
901 | AC_DEFUN(GLIBCPP_CHECK_CPU, [ | |
902 | AC_MSG_CHECKING([for cpu primitives directory]) | |
c470c17d | 903 | CPU_FLAGS= |
b2dad0e3 BK |
904 | case "$target_cpu" in |
905 | alpha*) | |
906 | cpu_include_dir="config/cpu/alpha" | |
907 | ;; | |
908 | arm*) | |
909 | cpu_include_dir="config/cpu/arm" | |
910 | ;; | |
bf93f43b | 911 | i386) |
b2dad0e3 | 912 | cpu_include_dir="config/cpu/i386" |
bf93f43b BK |
913 | ;; |
914 | i486 | i586 | i686 | i786) | |
915 | cpu_include_dir="config/cpu/i486" | |
b2dad0e3 BK |
916 | ;; |
917 | powerpc | rs6000) | |
918 | cpu_include_dir="config/cpu/powerpc" | |
c470c17d | 919 | CPU_FLAGS='-mcpu=powerpc' |
b2dad0e3 BK |
920 | ;; |
921 | sparc64 | ultrasparc) | |
922 | cpu_include_dir="config/cpu/sparc/sparc64" | |
923 | ;; | |
924 | sparc*) | |
925 | cpu_include_dir="config/cpu/sparc/sparc32" | |
926 | ;; | |
927 | *) | |
928 | cpu_include_dir="config/cpu/generic" | |
929 | ;; | |
930 | esac | |
931 | AC_MSG_RESULT($cpu_include_dir) | |
932 | AC_SUBST(cpu_include_dir) | |
c470c17d | 933 | AC_SUBST(CPU_FLAGS) |
b2dad0e3 BK |
934 | ]) |
935 | ||
936 | ||
937 | dnl | |
938 | dnl Check to see what the underlying c library's interface to ctype looks | |
939 | dnl like. Bits of locale rely on things like isspace, toupper, etc. This | |
940 | dnl stuff makes sure the right bits from the clibrary get called. | |
941 | dnl | |
942 | dnl Depending on what is found, select various configure/*/bits/ctype_base.h | |
943 | dnl Depending on what is found, select various configure/*/ctype.cc | |
944 | dnl | |
945 | dnl GLIBCPP_CHECK_CTYPE | |
946 | AC_DEFUN(GLIBCPP_CHECK_CTYPE, [ | |
947 | AC_CHECK_HEADER(ctype.h, [ | |
948 | ||
949 | dnl If doesn't match any specified, go with defaults. | |
950 | ctype_default=yes | |
951 | ||
952 | dnl Test for <ctype> functionality -- gnu-linux | |
8445e42a | 953 | AC_MSG_CHECKING([<ctype> for gnu-linux ]) |
b2dad0e3 BK |
954 | AC_TRY_COMPILE([#include <ctype.h>], |
955 | [int | |
956 | foo (int a) | |
957 | { return _ISspace + _ISprint + _IScntrl + _ISupper + _ISlower + _ISalpha \ | |
958 | + _ISdigit + _ISpunct + _ISxdigit + _ISalnum + _ISgraph \ | |
959 | + __ctype_tolower[a] + __ctype_toupper[a] + __ctype_b[a];}], \ | |
960 | ctype_linux=yes, ctype_linux=no) | |
961 | AC_MSG_RESULT($ctype_linux) | |
962 | if test $ctype_linux = "yes"; then | |
963 | ctype_include_dir="config/gnu-linux" | |
964 | ctype_default=no | |
965 | fi | |
966 | ||
6ad50467 | 967 | dnl Test for <ctype> functionality -- FreeBSD 4.0 |
65dd21b7 | 968 | if test $ctype_default = "yes"; then |
6ad50467 | 969 | AC_MSG_CHECKING([<ctype> for freebsd 4.0 ]) |
7b267e3e BK |
970 | AC_TRY_COMPILE([#include <ctype.h>], |
971 | [int | |
972 | foo (int a) | |
973 | { return _CTYPE_S + _CTYPE_R + _CTYPE_C + _CTYPE_U + _CTYPE_L + _CTYPE_A \ | |
974 | + _CTYPE_D + _CTYPE_P + _CTYPE_X + _CTYPE_G ;}], \ | |
975 | ctype_bsd=yes, ctype_bsd=no) | |
976 | AC_MSG_RESULT($ctype_bsd) | |
977 | if test $ctype_bsd = "yes"; then | |
978 | ctype_include_dir="config/bsd" | |
979 | ctype_default=no | |
980 | fi | |
65dd21b7 | 981 | fi |
7b267e3e | 982 | |
6ad50467 | 983 | dnl Test for <ctype> functionality -- FreeBSD 3.4 |
65dd21b7 | 984 | if test $ctype_default = "yes"; then |
6ad50467 BK |
985 | AC_MSG_CHECKING([<ctype> for freebsd 3.4 ]) |
986 | AC_TRY_COMPILE([#include <ctype.h>], | |
987 | [int | |
988 | foo (int a) | |
989 | { return _S + _R + _C + _U + _L + _A \ | |
990 | + _D + _P + _X + _G + __istype (a, 0);}], \ | |
991 | ctype_freebsd34=yes, ctype_freebsd34=no) | |
992 | AC_MSG_RESULT($ctype_freebsd34) | |
993 | if test $ctype_freebsd34 = "yes"; then | |
994 | ctype_include_dir="config/bsd" | |
995 | ctype_default=no | |
996 | fi | |
65dd21b7 | 997 | fi |
6ad50467 | 998 | |
b2dad0e3 BK |
999 | dnl Test for <ctype> functionality -- solaris 2.6 and 2.7 |
1000 | if test $ctype_default = "yes"; then | |
8445e42a | 1001 | AC_MSG_CHECKING([<ctype> for solaris 2.[6,7,8] ]) |
b2dad0e3 BK |
1002 | AC_TRY_COMPILE([#include <ctype.h>], |
1003 | [int | |
1004 | foo (int a) | |
1005 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
1006 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
1007 | + __trans_lower[a] + __trans_upper[a] + __ctype_mask[a];}], \ | |
1008 | ctype_solaris=yes, ctype_solaris=no) | |
1009 | AC_MSG_RESULT($ctype_solaris) | |
1010 | ||
1011 | if test $ctype_solaris = "yes"; then | |
1012 | AC_MSG_CHECKING([ for version]) | |
1013 | AC_LANG_CPLUSPLUS | |
1014 | AC_TRY_COMPILE([#include <ctype.h>], | |
1015 | [typedef long* __to_type; __to_type const& _M_toupper = __trans_upper;],\ | |
1016 | ctype_solaris26=yes, ctype_solaris26=no) | |
1017 | AC_LANG_C | |
1018 | if test $ctype_solaris26 = "yes"; then | |
1019 | ctype_include_dir="config/solaris/solaris2.6" | |
1020 | AC_MSG_RESULT("solaris2.6") | |
1021 | ctype_default=no | |
1022 | else | |
1023 | ctype_include_dir="config/solaris/solaris2.7" | |
32a4595e | 1024 | AC_MSG_RESULT("solaris2.[7,8]") |
b2dad0e3 BK |
1025 | ctype_default=no |
1026 | fi | |
1027 | fi | |
1028 | fi | |
1029 | ||
1030 | dnl Test for <ctype> functionality -- solaris 2.5.1 | |
1031 | if test $ctype_default = "yes"; then | |
8445e42a | 1032 | AC_MSG_CHECKING([<ctype> for solaris 2.5.1 ]) |
b2dad0e3 BK |
1033 | AC_TRY_COMPILE([#include <ctype.h>], |
1034 | [int | |
1035 | foo (int a) | |
1036 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
1037 | + __ctype[a];}], \ | |
1038 | ctype_solaris25=yes, ctype_solaris25=no) | |
1039 | AC_MSG_RESULT($ctype_solaris25) | |
1040 | if test $ctype_solaris25 = "yes"; then | |
1041 | ctype_include_dir="config/solaris/solaris2.5" | |
1042 | ctype_default=no | |
1043 | fi | |
1044 | fi | |
1045 | ||
1046 | dnl Test for <ctype> functionality -- aix | |
1047 | if test $ctype_default = "yes"; then | |
8445e42a | 1048 | AC_MSG_CHECKING([<ctype> for aix ]) |
b2dad0e3 BK |
1049 | AC_TRY_COMPILE([#include <ctype.h>], |
1050 | [int | |
1051 | foo (int a) | |
1052 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
1053 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
1054 | + _VALC('a') + _IS('c', 0);}], \ | |
1055 | ctype_aix=yes, ctype_aix=no) | |
1056 | AC_MSG_RESULT($ctype_aix) | |
1057 | if test $ctype_aix = "yes"; then | |
1058 | ctype_include_dir="config/aix" | |
1059 | ctype_default=no | |
1060 | fi | |
1061 | fi | |
1062 | ||
1063 | dnl Test for <ctype> functionality -- newlib | |
1064 | if test $ctype_default = "yes"; then | |
8445e42a | 1065 | AC_MSG_CHECKING([<ctype> for newlib ]) |
b2dad0e3 BK |
1066 | AC_TRY_COMPILE([#include <ctype.h>], |
1067 | [int | |
1068 | foo (int a) | |
1069 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
1070 | + _ctype_[a];}], \ | |
1071 | ctype_newlib=yes, ctype_newlib=no) | |
1072 | AC_MSG_RESULT($ctype_newlib) | |
1073 | if test $ctype_newlib = "yes"; then | |
1074 | ctype_include_dir="config/newlib" | |
1075 | ctype_default=no | |
1076 | fi | |
1077 | fi | |
1078 | ||
1079 | if test $ctype_default = "yes"; then | |
1080 | ctype_include_dir="config/generic" | |
1081 | AC_MSG_WARN("Using default ctype headers.") | |
1082 | fi | |
1083 | AC_SUBST(ctype_include_dir) | |
1084 | ]) | |
1085 | ]) | |
1086 | ||
1087 | ||
1088 | dnl | |
1089 | dnl Check to see what the underlying c library or math library is like. | |
1090 | dnl | |
1091 | dnl Define HAVE_CARGF etc if "cargf" is found. | |
1092 | dnl | |
1093 | dnl GLIBCPP_CHECK_MATH_SUPPORT | |
1094 | AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [ | |
1095 | AC_CHECK_LIB(m, sin, libm="-lm") | |
1096 | save_LIBS="$LIBS" | |
1097 | LIBS="$LIBS $libm" | |
1098 | ||
1099 | dnl Check for complex versions of math functions of platform. | |
1100 | AC_CHECK_HEADERS([complex.h]) | |
1101 | AC_REPLACE_MATHFUNCS(ccos ccosf ccosh ccoshf cexp cexpf c_log c_logf \ | |
1102 | clog10 clog10f cpow cpowf csin csinf csinh csinhf csqrt csqrtf \ | |
1103 | ctan ctanf ctanh ctanhf \ | |
1104 | carg cargf nan hypot hypotf atan2f expf copysignf) | |
1105 | ||
1106 | dnl We compile the long double complex functions only if the function | |
f3b004d8 | 1107 | dnl provides the non-complex long double functions. |
b2dad0e3 | 1108 | USE_LONG_DOUBLE=no |
f3b004d8 | 1109 | AC_CHECK_FUNC(copysignl, |
b2dad0e3 BK |
1110 | USE_LONG_DOUBLE=yes |
1111 | AC_REPLACE_MATHFUNCS(ccoshl ccosl cexpl cpowl csinhl csinl \ | |
1112 | csqrtl ctanhl ctanl cargl hypotl signbitl c_logl clog10l)) | |
1113 | AC_SUBST(USE_LONG_DOUBLE) | |
1114 | ||
54fa7415 | 1115 | dnl Check to see if basic C math functions have float, long double versions. |
6c820cf2 | 1116 | AC_REPLACE_MATHFUNCS(cosf fabsf sinf sqrtf) |
54fa7415 | 1117 | AC_CHECK_FUNCS(isnan isnanf isnanl isinf isinff isinfl copysign copysignl \ |
6c820cf2 | 1118 | acosf acosl asinf asinl atanf atanl atan2f atan2l ceilf ceill cosl \ |
5ae55a2e BK |
1119 | coshf coshl expf expl fabsl floorf floorl fmodf fmodl frexpf frexpl ldexpf \ |
1120 | ldexpl logf logl log10f log10l modff modfl powf powl sinl sinhf \ | |
6c820cf2 | 1121 | sinhl sqrtl tanf tanl tanhf tanhl strtof strtold sincos sincosf \ |
54fa7415 | 1122 | sincosl finite finitef finitel fqfinite fpclass qfpclass) |
b2dad0e3 BK |
1123 | |
1124 | #Some runtimes have these functions with a preceding underscore. Please | |
1125 | # keep this sync'd with the one above. And if you add any new symbol, | |
1126 | # please add the corresponding block in the @BOTTOM@ section of | |
1127 | # acconfig.h. | |
54fa7415 SK |
1128 | |
1129 | AC_CHECK_FUNCS(_isnan _isnanf _isnanl _isinf _isinff _isinfl _copysign \ | |
1130 | _copysignl _acosf _acosl _asinf _asinl _atanf _atanl _atan2f _atan2l \ | |
1131 | _ceilf _ceill _cosf _cosl _coshf _coshl _expf _expl _fabsf _fabsl \ | |
5ae55a2e BK |
1132 | _floorf _floorl _fmodf _fmodl _frexpf _frexpl _ldexpf _ldexpl _logf _logl \ |
1133 | _log10f _log10l _modff _modfl _powf _powl _sinf _sinl _sinhf _sinhl \ | |
1134 | _sqrtf _sqrtl _tanf _tanl _tanhf _tanhl _strtof _strtold _sincos _sincosf \ | |
1135 | _sincosl _finite _finitef _finitel _fqfinite _fpclass _qfpclass) | |
b2dad0e3 BK |
1136 | |
1137 | LIBS="$save_LIBS" | |
1138 | ]) | |
1139 | ||
1140 | ||
1141 | dnl | |
1142 | dnl Check to see if this target can enable the wchar_t parts of libstdc++. | |
1143 | dnl | |
1144 | dnl Define _GLIBCPP_USE_WCHAR_T if all the bits are found | |
1145 | dnl Define _GLIBCPP_NEED_MBSTATE_T if mbstate_t is not in wchar.h | |
b2dad0e3 BK |
1146 | dnl |
1147 | dnl GLIBCPP_CHECK_WCHAR_T_SUPPORT | |
1148 | AC_DEFUN(GLIBCPP_CHECK_WCHAR_T_SUPPORT, [ | |
3840fa2a BK |
1149 | |
1150 | dnl Sanity check for existence of ISO C9X headers for extended encoding. | |
1151 | AC_CHECK_HEADER(wchar.h, ac_has_wchar_h=yes, ac_has_wchar_h=no) | |
1152 | AC_CHECK_HEADER(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no) | |
1153 | ||
1154 | dnl Only continue checking if the ISO C9X headers exist. | |
1155 | if test x"$ac_has_wchar_h" = xyes && test x"$ac_has_wctype_h" = xyes; then | |
1156 | ||
1157 | dnl Test wchar.h for mbstate_t, which is needed for char_traits and others. | |
1158 | AC_MSG_CHECKING([for mbstate_t]) | |
1159 | AC_TRY_COMPILE([#include <wchar.h>], | |
1160 | [mbstate_t teststate;], | |
1161 | use_native_mbstatet=yes, use_native_mbstatet=no) | |
1162 | AC_MSG_RESULT($use_native_mbstatet) | |
1163 | if test x"$use_native_mbstatet" = xno; then | |
1164 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
1165 | fi | |
b2dad0e3 | 1166 | |
3840fa2a BK |
1167 | dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before |
1168 | dnl numeric_limits can instantiate type_traits<wchar_t> | |
1169 | AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX]) | |
1170 | AC_TRY_COMPILE([#include <wchar.h>], | |
1171 | [int i = WCHAR_MIN; int j = WCHAR_MAX;], | |
1172 | has_wchar_minmax=yes, has_wchar_minmax=no) | |
1173 | AC_MSG_RESULT($has_wchar_minmax) | |
b2dad0e3 | 1174 | |
3840fa2a BK |
1175 | dnl Test wchar.h for WEOF, which is what we use to determine whether |
1176 | dnl to specialize for char_traits<wchar_t> or not. | |
1177 | AC_MSG_CHECKING([for WEOF]) | |
1178 | AC_TRY_COMPILE([ | |
1179 | #include <wchar.h> | |
1180 | #include <stddef.h>], | |
1181 | [wint_t i = WEOF;], | |
1182 | has_weof=yes, has_weof=no) | |
1183 | AC_MSG_RESULT($has_weof) | |
1184 | ||
1185 | dnl Tests for wide character functions used in char_traits<wchar_t>. | |
1186 | AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset, ac_wfuncs=yes, ac_wfuncs=no) | |
1187 | ||
1188 | AC_MSG_CHECKING([for ISO C9X wchar_t support]) | |
1189 | if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes && test x"$ac_wfuncs" = xyes; then | |
1190 | ac_isoC9X_wchar_t=yes | |
1191 | else | |
1192 | ac_isoC9X_wchar_t=no | |
1193 | fi | |
1194 | AC_MSG_RESULT($ac_isoC9X_wchar_t) | |
1195 | ||
1196 | dnl Use iconv for wchar_t to char conversions. As such, check for | |
1197 | dnl X/Open Portability Guide, version 2 features (XPG2). | |
1198 | AC_CHECK_HEADER(iconv.h, ac_has_iconv_h=yes, ac_has_iconv_h=no) | |
1199 | AC_CHECK_FUNCS(iconv_open iconv_close iconv, ac_XPG2funcs=yes, ac_XPG2funcs=no) | |
1200 | ||
1201 | AC_MSG_CHECKING([for XPG2 wchar_t support]) | |
1202 | if test x"$ac_has_iconv_h" = xyes && test x"$ac_XPG2funcs" = xyes; then | |
1203 | ac_XPG2_wchar_t=yes | |
1204 | else | |
1205 | ac_XPG2_wchar_t=no | |
1206 | fi | |
1207 | AC_MSG_RESULT($ac_XPG2_wchar_t) | |
1208 | ||
1209 | dnl At the moment, only enable wchar_t specializations if all the | |
1210 | dnl above support is present. | |
1211 | AC_MSG_CHECKING([for enabled wchar_t specializations]) | |
1212 | if test x"$ac_isoC9X_wchar_t" = xyes && test x"$ac_XPG2_wchar_t" = xyes; then | |
1213 | libinst_wstring_la="libinst-wstring.la" | |
1214 | AC_DEFINE(_GLIBCPP_USE_WCHAR_T) | |
1215 | AC_MSG_RESULT("yes") | |
1216 | else | |
1217 | libinst_wstring_la="" | |
1218 | AC_MSG_RESULT("no") | |
1219 | fi | |
1220 | AC_SUBST(libinst_wstring_la) | |
1221 | ||
b2dad0e3 | 1222 | else |
3840fa2a BK |
1223 | AC_MSG_WARN([<wchar.h> not found]) |
1224 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
b2dad0e3 | 1225 | fi |
b2dad0e3 BK |
1226 | ]) |
1227 | ||
1228 | ||
1229 | dnl | |
1230 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
1231 | dnl __complex__ float support. | |
1232 | dnl | |
1233 | dnl Define _GLIBCPP_BUGGY_FLOAT_COMPLEX if buggy. | |
1234 | dnl | |
1235 | dnl GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT | |
1236 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT, [ | |
1237 | AC_REQUIRE([AC_PROG_CXX]) | |
1238 | AC_MSG_CHECKING([for GNU C++ __complex__ float support]) | |
1239 | AC_CACHE_VAL(glibcpp_cv_float_complex, [ | |
1240 | AC_LANG_SAVE | |
1241 | AC_LANG_CPLUSPLUS | |
1242 | rm -f conftest.h | |
1243 | cat > conftest.h <<EOB | |
1244 | // | |
1245 | // Check for buggy __complex__ that causes ICE in most versions of egcs | |
1246 | // and gcc-2.95.x on certain platforms (eg., x86-win32). | |
1247 | // | |
1248 | // See http://egcs.cygnus.com/ml/gcc-bugs/1999-07/msg00845.html for | |
1249 | // more info on the bug itself. | |
1250 | // | |
1251 | struct | |
1252 | float_complex | |
1253 | { | |
1254 | __complex__ float m_value; | |
1255 | float_complex (float = 0.0f, float = 0.0f); | |
1256 | float_complex (__complex__ float val) : m_value (val) {} | |
1257 | float_complex foo (const float_complex &val) | |
1258 | { return float_complex (~val.m_value); } | |
1259 | }; | |
1260 | EOB | |
1261 | AC_TRY_COMPILE([#include "conftest.h"], , | |
1262 | glibcpp_cv_float_complex=ok, | |
1263 | glibcpp_cv_float_complex=buggy | |
1264 | ) | |
1265 | AC_LANG_RESTORE | |
1266 | ]) | |
1267 | AC_MSG_RESULT($glibcpp_cv_float_complex) | |
1268 | if test $glibcpp_cv_float_complex = buggy; then | |
1269 | AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) | |
1270 | fi | |
1271 | ]) | |
1272 | ||
1273 | ||
1274 | dnl | |
1275 | dnl | |
1276 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
1277 | dnl __complex__ support.Check for buggy __complex__ that will cause ICE in | |
1278 | dnl gcc-2.95.x when using the library, unless we define the default copy | |
1279 | dnl ctor in the specializations of complex<>. | |
1280 | dnl | |
1281 | dnl Define _GLIBCPP_BUGGY_COMPLEX if buggy. | |
1282 | dnl | |
1283 | dnl GLIBCPP_CHECK_COMPLEX_SUPPORT | |
1284 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_SUPPORT, [ | |
1285 | AC_REQUIRE([AC_PROG_CXX]) | |
1286 | AC_MSG_CHECKING([for GNU C++ __complex__ support]) | |
1287 | AC_CACHE_VAL(glibcpp_cv_complex, [ | |
1288 | AC_LANG_SAVE | |
1289 | AC_LANG_CPLUSPLUS | |
1290 | AC_TRY_COMPILE([struct dcomplex { __complex__ double x; }; \ | |
1291 | dcomplex f(const dcomplex& x) { return dcomplex(x); }], \ | |
1292 | [ dcomplex x; f(x); ], | |
1293 | glibcpp_cv_complex=ok, | |
1294 | glibcpp_cv_complex=buggy | |
1295 | ) | |
1296 | AC_LANG_RESTORE | |
1297 | ]) | |
1298 | AC_MSG_RESULT($glibcpp_cv_complex) | |
1299 | if test $glibcpp_cv_complex = buggy; then | |
1300 | AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) | |
1301 | fi | |
1302 | ]) | |
1303 | ||
1304 | ||
1305 | dnl | |
8bd636c5 | 1306 | dnl Check for special debugging mode; not for production use. |
b2dad0e3 BK |
1307 | dnl |
1308 | dnl GLIBCPP_ENABLE_DEBUG | |
1309 | dnl --enable-debug sets '-ggdb -O0'. | |
1310 | dnl --disable-debug sets '-g' and whatever optimization options the | |
1311 | dnl compiler can handle. | |
1312 | dnl + Perhaps --enable-maintainer-mode should automatically turn this on? | |
1313 | dnl + Perhaps -D/-U of NDEBUG, DEBUG, DEBUG_ASSERT, ...? | |
1314 | dnl + Usage: GLIBCPP_ENABLE_DEBUG[(DEFAULT)] | |
1315 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1316 | dnl defaults to `no'. | |
1317 | AC_DEFUN(GLIBCPP_ENABLE_DEBUG, [dnl | |
1318 | define([GLIBCPP_ENABLE_DEBUG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
1319 | AC_ARG_ENABLE(debug, | |
1320 | changequote(<<, >>)dnl | |
1321 | << --enable-debug extra debugging, turn off optimization [default=>>GLIBCPP_ENABLE_DEBUG_DEFAULT], | |
1322 | changequote([, ])dnl | |
1323 | [case "$enableval" in | |
1324 | yes) enable_debug=yes ;; | |
1325 | no) enable_debug=no ;; | |
1326 | *) AC_MSG_ERROR([Unknown argument to enable/disable extra debugging]) ;; | |
1327 | esac], | |
1328 | enable_debug=GLIBCPP_ENABLE_DEBUG_DEFAULT)dnl | |
1329 | dnl Option parsed, now set things appropriately | |
1330 | case "$enable_debug" in | |
cde28f0d | 1331 | yes) |
c470c17d | 1332 | DEBUG_FLAGS='-O0 -ggdb' |
cde28f0d | 1333 | ;; |
f3b004d8 | 1334 | no) |
c470c17d | 1335 | DEBUG_FLAGS='-g' |
f3b004d8 | 1336 | ;; |
b2dad0e3 | 1337 | esac |
c470c17d | 1338 | AC_SUBST(DEBUG_FLAGS) |
b2dad0e3 BK |
1339 | ]) |
1340 | ||
1341 | ||
dcfa0bc8 PE |
1342 | dnl |
1343 | dnl Check for "unusual" flags to pass to the compiler while building. | |
1344 | dnl | |
1345 | dnl GLIBCPP_ENABLE_CXX_FLAGS | |
1346 | dnl --enable-cxx-flags='-foo -bar -baz' is a general method for passing | |
1347 | dnl experimental flags such as -fhonor-std, -fsquangle, -Dfloat=char, etc. | |
1348 | dnl Somehow this same set of flags must be passed when [re]building | |
1349 | dnl libgcc. | |
1350 | dnl --disable-cxx-flags passes nothing. | |
32a4595e PE |
1351 | dnl + See http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00131.html |
1352 | dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00284.html | |
1353 | dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00035.html | |
dcfa0bc8 | 1354 | dnl + Usage: GLIBCPP_ENABLE_CXX_FLAGS(default flags) |
32a4595e PE |
1355 | dnl If "default flags" is an empty string (or "none"), the effect is |
1356 | dnl the same as --disable or --enable=no. | |
dcfa0bc8 PE |
1357 | AC_DEFUN(GLIBCPP_ENABLE_CXX_FLAGS, [dnl |
1358 | define([GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], ifelse($1,,, $1))dnl | |
1359 | AC_ARG_ENABLE(cxx-flags, | |
1360 | changequote(<<, >>)dnl | |
1361 | << --enable-cxx-flags=FLAGS pass compiler FLAGS when building library; | |
1362 | [default=>>GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], | |
1363 | changequote([, ])dnl | |
1364 | [case "x$enableval" in | |
1365 | xyes) AC_MSG_ERROR([--enable-cxx-flags needs compiler flags as arguments]) ;; | |
32a4595e | 1366 | xno|x) enable_cxx_flags='' ;; |
dcfa0bc8 PE |
1367 | *) enable_cxx_flags="$enableval" ;; |
1368 | esac], | |
1369 | enable_cxx_flags='GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT')dnl | |
32a4595e PE |
1370 | dnl Thinko on my part during design. This kludge is the workaround. |
1371 | if test "$enable_cxx_flags" = "none"; then enable_cxx_flags=''; fi | |
1372 | dnl Run through flags (either default or command-line) and set anything | |
1373 | dnl extra (e.g., #defines) that must accompany particular g++ options. | |
dcfa0bc8 PE |
1374 | if test -n "$enable_cxx_flags"; then |
1375 | for f in $enable_cxx_flags; do | |
1376 | case "$f" in | |
991a40fc | 1377 | -fhonor-std) ;; |
dcfa0bc8 PE |
1378 | -*) ;; |
1379 | *) # and we're trying to pass /what/ exactly? | |
1380 | AC_MSG_ERROR([compiler flags start with a -]) ;; | |
1381 | esac | |
1382 | done | |
1383 | fi | |
1384 | EXTRA_CXX_FLAGS="$enable_cxx_flags" | |
1385 | AC_SUBST(EXTRA_CXX_FLAGS) | |
1386 | ]) | |
1387 | ||
1388 | ||
b2dad0e3 BK |
1389 | dnl |
1390 | dnl Check for instructions to automatically rebuild libgcc.a. Requires, | |
1391 | dnl of course, the location of the gcc objdir. Note that if --disable- | |
1392 | dnl namespaces is in effect, rebuilding libgcc.a is an expensive no-op. | |
1393 | dnl | |
1394 | dnl GLIBCPP_ENABLE_RELIBGCC | |
1395 | dnl --enable-libgcc-rebuild=/absolute/path/to/gcc/objdir sets GCC_OBJDIR | |
1396 | dnl (presumably in the top-level Makefile) to /absol.../objdir | |
1397 | dnl --disable-libgcc-rebuild will not touch libgcc.a at all (maybe print | |
1398 | dnl a warning if this is given along with --enable-namespaces), by | |
1399 | dnl setting GCC_OBJDIR to `no'. | |
1400 | dnl + Doing this by default is going to be interesting. What default | |
1401 | dnl "on" value can there be? | |
1402 | dnl + Usage: GLIBCPP_ENABLE_RELIBGCC[(DEFAULT)] | |
1403 | dnl The default path should be ../.. if bundled with GCC source. | |
1404 | dnl If ommitted, it defaults to `no'. | |
1405 | dnl | |
1406 | AC_DEFUN(GLIBCPP_ENABLE_RELIBGCC, [dnl | |
1407 | define([GLIBCPP_ENABLE_RELIBGCC_DEFAULT], ifelse($1,, no, $1))dnl | |
1408 | AC_ARG_ENABLE(libgcc-rebuild, | |
1409 | changequote(<<, >>)dnl | |
1410 | << --enable-libgcc-rebuild=DIR also rebuild libgcc.a; DIR is | |
1411 | the GCC objdir; see install.html>>, | |
1412 | changequote([, ])dnl | |
1413 | [case "$enableval" in | |
1414 | yes) AC_MSG_ERROR([--enable-libgcc-rebuild needs a pathname]) ;; | |
1415 | no) enable_libgcc_rebuild=no ;; | |
1416 | *) if test -d "$enableval" && test -d "${enableval}/gcc" && \ | |
1417 | test -d "${enableval}/libiberty" | |
1418 | then | |
1419 | enable_libgcc_rebuild="$enableval" | |
1420 | else | |
1421 | AC_MSG_ERROR(["$enableval" does not appear to be the GCC objdir]) | |
1422 | fi | |
1423 | ;; | |
1424 | esac], | |
1425 | enable_libgcc_rebuild=GLIBCPP_ENABLE_RELIBGCC_DEFAULT)dnl | |
1426 | GCC_OBJDIR="$enable_libgcc_rebuild" | |
1427 | AC_SUBST(GCC_OBJDIR) | |
1428 | ]) | |
1429 | ||
1430 | ||
1431 | dnl | |
8bd636c5 | 1432 | dnl Check for which I/O library to use: libio, or something specific. |
b2dad0e3 BK |
1433 | dnl |
1434 | dnl GLIBCPP_ENABLE_CSTDIO | |
1435 | dnl --enable-cstdio=libio sets config/c_io_libio.h and friends | |
1436 | dnl | |
1437 | dnl default is libio | |
1438 | dnl | |
1439 | AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [ | |
1440 | AC_MSG_CHECKING([for cstdio to use]) | |
1441 | AC_ARG_ENABLE(cstdio, | |
1442 | [ --enable-cstdio enable GNU libio for target io package. (default) | |
1443 | --enable-cstdio=LIB use LIB target-speific io package.], | |
1444 | if test x$enable_cstdio = xno; then | |
1445 | enable_cstdio=libio | |
1446 | fi, | |
1447 | enable_cstdio=libio) | |
1448 | ||
1449 | enable_cstdio_flag=$enable_cstdio | |
1450 | ||
1451 | dnl Check if a valid thread package | |
1452 | case x${enable_cstdio_flag} in | |
1453 | xlibio | x | xno | xnone | xyes) | |
1454 | # default | |
1455 | CSTDIO_H=c_io_libio.h | |
1456 | CSTDIO_CC=c_io_libio.cc | |
1457 | AC_MSG_RESULT(libio) | |
1458 | ||
1459 | # see if we are on a system with libio native (ie, linux) | |
1460 | AC_CHECK_HEADER(libio.h, has_libio=yes, has_libio=no) | |
1461 | if test $has_libio = "yes"; then | |
1462 | BUILD_LIBIO_INCLUDE= | |
1463 | need_libio=no | |
1464 | else | |
1465 | BUILD_LIBIO_INCLUDE='-I../libio' | |
1466 | need_libio=yes | |
1467 | fi | |
1468 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
f3b004d8 BK |
1469 | |
1470 | # see if the _G_config.h header needs to be built. | |
1471 | # NB: This replaces the _G_CONFIG_H machinery in libio-v2 | |
1472 | AC_CHECK_HEADER(_G_config.h, has_gconf_h=yes, has_gconf_h=no) | |
1473 | AM_CONDITIONAL(GLIBCPP_NEED_LIBIO_CONFIG_H, test "$has_gconf_h" = no) | |
b2dad0e3 BK |
1474 | ;; |
1475 | xwince) | |
1476 | CSTDIO_H=c_io_wince.h | |
1477 | CSTDIO_CC=c_io_wince.cc | |
1478 | AC_MSG_RESULT(wince) | |
1479 | ||
1480 | need_libio=no | |
1481 | BUILD_LIBIO_INCLUDE= | |
1482 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
1483 | ;; | |
1484 | *) | |
1485 | echo "$enable_cstdio is an unknown io package" 1>&2 | |
1486 | exit 1 | |
1487 | ;; | |
1488 | esac | |
1489 | AC_SUBST(CSTDIO_H) | |
1490 | AC_SUBST(CSTDIO_CC) | |
1491 | AM_CONDITIONAL(GLIBCPP_NEED_LIBIO, test "$need_libio" = yes) | |
1492 | ]) | |
1493 | ||
1494 | ||
1495 | dnl | |
8bd636c5 | 1496 | dnl Check for which threading library to use. |
b2dad0e3 BK |
1497 | dnl |
1498 | dnl GLIBCPP_ENABLE_THREADS | |
1499 | dnl --enable-threads=posix sets config/threads-posix.h et. al. | |
1500 | dnl | |
1501 | dnl default is no threads | |
1502 | dnl | |
1503 | AC_DEFUN(GLIBCPP_ENABLE_THREADS, [ | |
1504 | dnl Note this comes from the gcc/config.in and libjava/config.in | |
1505 | dnl Efforts should be made to keep this in sync. | |
1506 | AC_MSG_CHECKING([for threads package to use]) | |
1507 | AC_ARG_ENABLE(threads, | |
1508 | [ --enable-threads enable thread usage for target GCC. | |
1509 | --enable-threads=LIB use LIB thread package for target GCC.], | |
1510 | if test x$enable_threads = xno; then | |
1511 | enable_threads='' | |
1512 | fi, | |
1513 | enable_threads='') | |
1514 | ||
1515 | enable_threads_flag=$enable_threads | |
1516 | ||
1517 | dnl Check if a valid thread package | |
1518 | case x${enable_threads_flag} in | |
1519 | x | xno | xnone) | |
1520 | # No threads | |
1521 | target_thread_file='single' | |
1522 | ;; | |
1523 | xyes) | |
1524 | # default | |
1525 | target_thread_file='' | |
1526 | ;; | |
1527 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
1528 | xsolaris | xwin32 | xdce | xvxworks) | |
1529 | target_thread_file=$enable_threads_flag | |
1530 | ;; | |
1531 | *) | |
1532 | echo "$enable_threads is an unknown thread package" 1>&2 | |
1533 | exit 1 | |
1534 | ;; | |
1535 | esac | |
1536 | ||
1537 | dnl Check for thread package actually supported in libstdc++ | |
1538 | case "$target_thread_file" in | |
1539 | no | none | single) | |
1540 | THREADS=none | |
1541 | ;; | |
1542 | posix | pthreads) | |
1543 | THREADS=posix | |
1544 | case "$host" in | |
1545 | *-*-linux*) | |
1546 | ;; | |
1547 | esac | |
1548 | ;; | |
1549 | decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks) | |
1550 | AC_MSG_ERROR(thread package $THREADS not yet supported) | |
1551 | ;; | |
1552 | *) | |
1553 | AC_MSG_ERROR($THREADS is an unknown thread package) | |
1554 | ;; | |
1555 | esac | |
1556 | AC_MSG_RESULT($THREADS) | |
1557 | ||
1558 | THREADLIBS= | |
1559 | THREADINCS= | |
1560 | THREADDEPS= | |
1561 | THREADOBJS= | |
1562 | THREADH= | |
1563 | THREADSPEC= | |
1564 | case "$THREADS" in | |
1565 | posix) | |
1566 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
1567 | THREADLIBS=-lpthread | |
1568 | THREADSPEC=-lpthread | |
1569 | dnl Not presently used | |
1570 | dnl THREADOBJS=threads-posix.lo | |
1571 | THREADH=threads-posix.h | |
1572 | ;; | |
1573 | none) | |
1574 | dnl Not presently used | |
1575 | dnl THREADOBJS=threads-no.lo | |
1576 | THREADH=threads-no.h | |
1577 | ;; | |
1578 | esac | |
1579 | AC_SUBST(THREADLIBS) | |
1580 | AC_SUBST(THREADINCS) | |
1581 | AC_SUBST(THREADDEPS) | |
1582 | AC_SUBST(THREADOBJS) | |
1583 | AC_SUBST(THREADSPEC) | |
1584 | ]) | |
1585 | ||
1586 | ||
1587 | dnl | |
8bd636c5 | 1588 | dnl Check for template specializations for the 'long long' type extension. |
b2dad0e3 BK |
1589 | dnl |
1590 | dnl GLIBCPP_ENABLE_LONG_LONG | |
1591 | dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG | |
1592 | dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined | |
1593 | dnl + Usage: GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)] | |
1594 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1595 | dnl defaults to `no'. | |
0137be2d | 1596 | dnl + If 'long long' stuff is not available, ignores DEFAULT and sets `no'. |
b2dad0e3 BK |
1597 | dnl |
1598 | dnl GLIBCPP_ENABLE_LONG_LONG | |
1599 | AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl | |
1600 | define([GLIBCPP_ENABLE_LONG_LONG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
30ff6342 | 1601 | |
b2dad0e3 BK |
1602 | AC_ARG_ENABLE(long-long, |
1603 | changequote(<<, >>)dnl | |
d0d88ce3 | 1604 | <<--enable-long-long turns on 'long long' [default=>>GLIBCPP_ENABLE_LONG_LONG_DEFAULT], |
b2dad0e3 BK |
1605 | changequote([, ])dnl |
1606 | [case "$enableval" in | |
1607 | yes) enable_long_long=yes ;; | |
1608 | no) enable_long_long=no ;; | |
1609 | *) AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;; | |
1610 | esac], | |
1611 | enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl | |
30ff6342 BK |
1612 | |
1613 | # Check for the existance of functions used if long long is enabled. | |
1614 | AC_CHECK_FUNC(strtoll,,ac_strtoll=no) | |
1615 | AC_CHECK_FUNC(strtoull,,ac_strtoull=no) | |
1616 | ||
3840fa2a | 1617 | AC_MSG_CHECKING([for enabled long long]) |
30ff6342 | 1618 | if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then |
3840fa2a BK |
1619 | enable_long_long=no; |
1620 | fi; | |
d0d88ce3 | 1621 | AC_MSG_RESULT($enable_long_long) |
3840fa2a | 1622 | |
b2dad0e3 BK |
1623 | dnl Option parsed, now set things appropriately |
1624 | case "$enable_long_long" in | |
1625 | yes) AC_DEFINE(_GLIBCPP_USE_LONG_LONG) | |
1626 | ;; | |
1627 | esac | |
1628 | ]) | |
1629 | ||
1630 | ||
99246c90 | 1631 | dnl |
8bd636c5 | 1632 | dnl Check for whether or not to do shadowed C headers. |
99246c90 PE |
1633 | dnl |
1634 | dnl GLIBCPP_ENABLE_SHADOW | |
d0d88ce3 BK |
1635 | dnl --enable-cshadow-headers [does stuff]. |
1636 | dnl --disable-cshadow-headers [does not do stuff]. | |
99246c90 PE |
1637 | dnl + This will eventually need to be on by default. |
1638 | dnl + Usage: GLIBCPP_ENABLE_SHADOW[(DEFAULT)] | |
1639 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
1640 | dnl defaults to `no'. | |
1641 | AC_DEFUN(GLIBCPP_ENABLE_SHADOW, [dnl | |
1642 | define([GLIBCPP_ENABLE_SHADOW_DEFAULT], ifelse($1, yes, yes, no))dnl | |
d0d88ce3 BK |
1643 | AC_MSG_CHECKING([for enabled cshadow headers]) |
1644 | AC_ARG_ENABLE(cshadow-headers, | |
99246c90 | 1645 | changequote(<<, >>)dnl |
d0d88ce3 BK |
1646 | << --enable-cshadow-headers construct "shadowed" C header files for |
1647 | g++ [default=>>GLIBCPP_ENABLE_SHADOW_DEFAULT], | |
99246c90 PE |
1648 | changequote([, ])dnl |
1649 | [case "$enableval" in | |
d0d88ce3 BK |
1650 | yes) enable_cshadow_headers=yes |
1651 | ;; | |
1652 | no) enable_cshadow_headers=no | |
1653 | ;; | |
1654 | *) AC_MSG_ERROR([Unknown argument to enable/disable shadowed C headers]) | |
1655 | ;; | |
99246c90 | 1656 | esac], |
d0d88ce3 BK |
1657 | enable_cshadow_headers=GLIBCPP_ENABLE_SHADOW_DEFAULT)dnl |
1658 | AC_MSG_RESULT($enable_cshadow_headers) | |
99246c90 | 1659 | dnl Option parsed, now set things appropriately |
d0d88ce3 | 1660 | case "$enable_cshadow_headers" in |
99246c90 | 1661 | yes) |
e95706d5 | 1662 | CSHADOWFLAGS="-D_GNU_SOURCE" |
5b80666b | 1663 | CSHADOW_INCLUDES=" -I$srcdir/shadow -I$blddir/cshadow" |
99246c90 PE |
1664 | ;; |
1665 | no) | |
5b80666b BK |
1666 | CSHADOWFLAGS="" |
1667 | CSHADOW_INCLUDES="" | |
99246c90 PE |
1668 | ;; |
1669 | esac | |
5b80666b BK |
1670 | |
1671 | AC_SUBST(CSHADOWFLAGS) | |
1672 | AC_SUBST(CSHADOW_INCLUDES) | |
1673 | AM_CONDITIONAL(GLIBCPP_USE_CSHADOW, test "$enable_cshadow_headers" = yes) | |
99246c90 | 1674 | ]) |
b2dad0e3 BK |
1675 | |
1676 | ||
af9fe0d1 BK |
1677 | # Check whether LC_MESSAGES is available in <locale.h>. |
1678 | # Ulrich Drepper <drepper@cygnus.com>, 1995. | |
1679 | # | |
1680 | # This file file be copied and used freely without restrictions. It can | |
1681 | # be used in projects which are not available under the GNU Public License | |
1682 | # but which still want to provide support for the GNU gettext functionality. | |
1683 | # Please note that the actual code is *not* freely available. | |
1684 | ||
1685 | # serial 1 | |
1686 | ||
1687 | AC_DEFUN(AC_LC_MESSAGES, | |
1688 | [if test $ac_cv_header_locale_h = yes; then | |
1689 | AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES, | |
1690 | [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], | |
1691 | ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)]) | |
1692 | if test $ac_cv_val_LC_MESSAGES = yes; then | |
1693 | AC_DEFINE(HAVE_LC_MESSAGES) | |
1694 | fi | |
1695 | fi]) | |
1696 | ||
1697 | ||
1698 | # Check for functions in math library. | |
1699 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1700 | # | |
1701 | # This file can be copied and used freely without restrictions. It can | |
1702 | # be used in projects which are not available under the GNU Public License | |
1703 | # but which still want to provide support for the GNU gettext functionality. | |
1704 | # Please note that the actual code is *not* freely available. | |
1705 | ||
1706 | # serial 1 | |
1707 | ||
1708 | dnl AC_REPLACE_MATHFUNCS(FUNCTION...) | |
1709 | AC_DEFUN(AC_REPLACE_MATHFUNCS, | |
1710 | [AC_CHECK_FUNCS([$1], , [LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"]) | |
1711 | AC_SUBST(LIBMATHOBJS)dnl | |
1712 | ]) | |
1713 | ||
1714 | ||
1715 | # Check for string functions. | |
1716 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1717 | # | |
1718 | # This file can be copied and used freely without restrictions. It can | |
1719 | # be used in projects which are not available under the GNU Public License | |
1720 | # but which still want to provide support for the GNU gettext functionality. | |
1721 | # Please note that the actual code is *not* freely available. | |
1722 | ||
1723 | # serial 1 | |
1724 | ||
1725 | dnl AC_REPLACE_STRINGFUNCS(FUNCTION...) | |
1726 | AC_DEFUN(AC_REPLACE_STRINGFUNCS, | |
1727 | [AC_CHECK_FUNCS([$1], , [LIBSTRINGOBJS="$LIBSTRINGOBJS ${ac_func}.lo"]) | |
1728 | AC_SUBST(LIBSTRINGOBJS)dnl | |
1729 | ]) |