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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 | |
169 | dnl Check to see if g++ can compile this library. | |
170 | dnl | |
171 | dnl Define OPTLEVEL='-O2' if new inlining code present. | |
172 | dnl | |
173 | dnl GLIBCPP_CHECK_COMPILER_VERSION | |
174 | AC_DEFUN(GLIBCPP_CHECK_COMPILER_VERSION, [ | |
175 | AC_MSG_CHECKING([for g++ that will successfullly compile this code]) | |
176 | AC_EGREP_CPP([ok], [ | |
177 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) | |
178 | ok | |
179 | #endif | |
180 | ], gpp_satisfactory=yes, AC_MSG_ERROR("please upgrade to gcc-2.95 or above")) | |
181 | AC_MSG_RESULT($gpp_satisfactory) | |
182 | ||
183 | AC_MSG_CHECKING([for g++ that supports new inlining mechanism]) | |
184 | AC_EGREP_CPP([ok], [ | |
185 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95) | |
186 | ok | |
187 | #endif | |
188 | ], [OPTLEVEL='-O2' | |
189 | WERRORSUPPRESS= | |
190 | ], [OPTLEVEL= | |
191 | WERRORSUPPRESS=-Wno-error | |
192 | ]) | |
193 | if test "$OPTLEVEL" = ""; then | |
194 | AC_MSG_RESULT(no) | |
195 | else | |
196 | AC_MSG_RESULT(yes) | |
197 | fi | |
198 | AC_SUBST(OPTLEVEL) | |
199 | AC_SUBST(WERRORSUPPRESS) | |
200 | ]) | |
201 | ||
202 | ||
203 | dnl | |
204 | dnl Check to see what builtin math functions are supported | |
205 | dnl | |
206 | dnl Define _GLIBCPP_HAS_BUILTIN_SINF if __builtin_sinf | |
207 | dnl Define _GLIBCPP_HAS_BUILTIN_COSF if __builtin_cosf | |
208 | dnl Define _GLIBCPP_HAS_BUILTIN_FABSF if __builtin_fabsf | |
209 | dnl Define _GLIBCPP_HAS_BUILTIN_SQRTF if __builtin_sqrtf | |
210 | dnl | |
211 | dnl GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT | |
212 | AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT, [ | |
213 | dnl Test for builtin math functions. | |
214 | AC_MSG_CHECKING([for __builtin_sinf]) | |
215 | AC_TRY_COMPILE([#include <math.h>], | |
216 | [float foo(void) { __builtin_sinf(0.0); }], | |
217 | use_builtin_sinf=yes, use_builtin_sinf=no) | |
218 | AC_MSG_RESULT($use_builtin_sinf) | |
219 | if test $use_builtin_sinf = "yes"; then | |
220 | AC_DEFINE(_GLIBCPP_HAS_BUILTIN_SINF) | |
221 | fi | |
222 | ||
223 | AC_MSG_CHECKING([for __builtin_cosf]) | |
224 | AC_TRY_COMPILE([#include <math.h>], | |
225 | [float foo(void) { __builtin_cosf(0.0); }], | |
226 | use_builtin_cosf=yes, use_builtin_cosf=no) | |
227 | AC_MSG_RESULT($use_builtin_cosf) | |
228 | if test $use_builtin_cosf = "yes"; then | |
229 | AC_DEFINE(_GLIBCPP_HAS_BUILTIN_COSF) | |
230 | fi | |
231 | ||
232 | AC_MSG_CHECKING([for __builtin_fabsf]) | |
233 | AC_TRY_COMPILE([#include <math.h>], | |
234 | [float foo(void) { __builtin_fabsf(0.0); }], | |
235 | use_builtin_fabsf=yes, use_builtin_fabsf=no) | |
236 | AC_MSG_RESULT($use_builtin_fabsf) | |
237 | if test $use_builtin_fabsf = "yes"; then | |
238 | AC_DEFINE(_GLIBCPP_HAS_BUILTIN_FABSF) | |
239 | fi | |
240 | ||
241 | AC_MSG_CHECKING([for __builtin_sqrtf]) | |
242 | AC_TRY_COMPILE([#include <math.h>], | |
243 | [float foo(void) { __builtin_sqrtf(0.0); }], | |
244 | use_builtin_sqrtf=yes, use_builtin_sqrtf=no) | |
245 | AC_MSG_RESULT($use_builtin_sqrtf) | |
246 | if test $use_builtin_sqrtf = "yes"; then | |
247 | AC_DEFINE(_GLIBCPP_HAS_BUILTIN_SQRTF) | |
248 | fi | |
249 | ]) | |
250 | ||
251 | ||
252 | dnl | |
253 | dnl Check to see what architecture we are compiling for. If it's | |
254 | dnl supported, use special hand-crafted routines to provide thread | |
255 | dnl primitives. | |
256 | dnl | |
257 | dnl Depending on what is found, select various configure/cpu/*/atomicity.h | |
258 | dnl If not found, select configure/cpu/generic/atomicity.h | |
259 | dnl | |
260 | dnl GLIBCPP_CHECK_CPU | |
261 | AC_DEFUN(GLIBCPP_CHECK_CPU, [ | |
262 | AC_MSG_CHECKING([for cpu primitives directory]) | |
263 | case "$target_cpu" in | |
264 | alpha*) | |
265 | cpu_include_dir="config/cpu/alpha" | |
266 | ;; | |
267 | arm*) | |
268 | cpu_include_dir="config/cpu/arm" | |
269 | ;; | |
270 | i486 | i586 | i686 | i786) | |
271 | cpu_include_dir="config/cpu/i386" | |
272 | ;; | |
273 | powerpc | rs6000) | |
274 | cpu_include_dir="config/cpu/powerpc" | |
275 | ;; | |
276 | sparc64 | ultrasparc) | |
277 | cpu_include_dir="config/cpu/sparc/sparc64" | |
278 | ;; | |
279 | sparc*) | |
280 | cpu_include_dir="config/cpu/sparc/sparc32" | |
281 | ;; | |
282 | *) | |
283 | cpu_include_dir="config/cpu/generic" | |
284 | ;; | |
285 | esac | |
286 | AC_MSG_RESULT($cpu_include_dir) | |
287 | AC_SUBST(cpu_include_dir) | |
288 | ]) | |
289 | ||
290 | ||
291 | dnl | |
292 | dnl Check to see what the underlying c library's interface to ctype looks | |
293 | dnl like. Bits of locale rely on things like isspace, toupper, etc. This | |
294 | dnl stuff makes sure the right bits from the clibrary get called. | |
295 | dnl | |
296 | dnl Depending on what is found, select various configure/*/bits/ctype_base.h | |
297 | dnl Depending on what is found, select various configure/*/ctype.cc | |
298 | dnl | |
299 | dnl GLIBCPP_CHECK_CTYPE | |
300 | AC_DEFUN(GLIBCPP_CHECK_CTYPE, [ | |
301 | AC_CHECK_HEADER(ctype.h, [ | |
302 | ||
303 | dnl If doesn't match any specified, go with defaults. | |
304 | ctype_default=yes | |
305 | ||
306 | dnl Test for <ctype> functionality -- gnu-linux | |
307 | AC_MSG_CHECKING([for gnu-linux <ctype>]) | |
308 | AC_TRY_COMPILE([#include <ctype.h>], | |
309 | [int | |
310 | foo (int a) | |
311 | { return _ISspace + _ISprint + _IScntrl + _ISupper + _ISlower + _ISalpha \ | |
312 | + _ISdigit + _ISpunct + _ISxdigit + _ISalnum + _ISgraph \ | |
313 | + __ctype_tolower[a] + __ctype_toupper[a] + __ctype_b[a];}], \ | |
314 | ctype_linux=yes, ctype_linux=no) | |
315 | AC_MSG_RESULT($ctype_linux) | |
316 | if test $ctype_linux = "yes"; then | |
317 | ctype_include_dir="config/gnu-linux" | |
318 | ctype_default=no | |
319 | fi | |
320 | ||
321 | dnl Test for <ctype> functionality -- solaris 2.6 and 2.7 | |
322 | if test $ctype_default = "yes"; then | |
323 | AC_MSG_CHECKING([for solaris 2.6 or 2.7 <ctype>]) | |
324 | AC_TRY_COMPILE([#include <ctype.h>], | |
325 | [int | |
326 | foo (int a) | |
327 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
328 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
329 | + __trans_lower[a] + __trans_upper[a] + __ctype_mask[a];}], \ | |
330 | ctype_solaris=yes, ctype_solaris=no) | |
331 | AC_MSG_RESULT($ctype_solaris) | |
332 | ||
333 | if test $ctype_solaris = "yes"; then | |
334 | AC_MSG_CHECKING([ for version]) | |
335 | AC_LANG_CPLUSPLUS | |
336 | AC_TRY_COMPILE([#include <ctype.h>], | |
337 | [typedef long* __to_type; __to_type const& _M_toupper = __trans_upper;],\ | |
338 | ctype_solaris26=yes, ctype_solaris26=no) | |
339 | AC_LANG_C | |
340 | if test $ctype_solaris26 = "yes"; then | |
341 | ctype_include_dir="config/solaris/solaris2.6" | |
342 | AC_MSG_RESULT("solaris2.6") | |
343 | ctype_default=no | |
344 | else | |
345 | ctype_include_dir="config/solaris/solaris2.7" | |
346 | AC_MSG_RESULT("solaris2.7") | |
347 | ctype_default=no | |
348 | fi | |
349 | fi | |
350 | fi | |
351 | ||
352 | dnl Test for <ctype> functionality -- solaris 2.5.1 | |
353 | if test $ctype_default = "yes"; then | |
354 | AC_MSG_CHECKING([for solaris 2.5.1 <ctype>]) | |
355 | AC_TRY_COMPILE([#include <ctype.h>], | |
356 | [int | |
357 | foo (int a) | |
358 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
359 | + __ctype[a];}], \ | |
360 | ctype_solaris25=yes, ctype_solaris25=no) | |
361 | AC_MSG_RESULT($ctype_solaris25) | |
362 | if test $ctype_solaris25 = "yes"; then | |
363 | ctype_include_dir="config/solaris/solaris2.5" | |
364 | ctype_default=no | |
365 | fi | |
366 | fi | |
367 | ||
368 | dnl Test for <ctype> functionality -- aix | |
369 | if test $ctype_default = "yes"; then | |
370 | AC_MSG_CHECKING([for aix <ctype>]) | |
371 | AC_TRY_COMPILE([#include <ctype.h>], | |
372 | [int | |
373 | foo (int a) | |
374 | { return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \ | |
375 | + _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \ | |
376 | + _VALC('a') + _IS('c', 0);}], \ | |
377 | ctype_aix=yes, ctype_aix=no) | |
378 | AC_MSG_RESULT($ctype_aix) | |
379 | if test $ctype_aix = "yes"; then | |
380 | ctype_include_dir="config/aix" | |
381 | ctype_default=no | |
382 | fi | |
383 | fi | |
384 | ||
385 | dnl Test for <ctype> functionality -- newlib | |
386 | if test $ctype_default = "yes"; then | |
387 | AC_MSG_CHECKING([for newlib <ctype>]) | |
388 | AC_TRY_COMPILE([#include <ctype.h>], | |
389 | [int | |
390 | foo (int a) | |
391 | { return _U + _L + _N + _S + _P + _C + _X + _B \ | |
392 | + _ctype_[a];}], \ | |
393 | ctype_newlib=yes, ctype_newlib=no) | |
394 | AC_MSG_RESULT($ctype_newlib) | |
395 | if test $ctype_newlib = "yes"; then | |
396 | ctype_include_dir="config/newlib" | |
397 | ctype_default=no | |
398 | fi | |
399 | fi | |
400 | ||
401 | if test $ctype_default = "yes"; then | |
402 | ctype_include_dir="config/generic" | |
403 | AC_MSG_WARN("Using default ctype headers.") | |
404 | fi | |
405 | AC_SUBST(ctype_include_dir) | |
406 | ]) | |
407 | ]) | |
408 | ||
409 | ||
410 | dnl | |
411 | dnl Check to see what the underlying c library or math library is like. | |
412 | dnl | |
413 | dnl Define HAVE_CARGF etc if "cargf" is found. | |
414 | dnl | |
415 | dnl GLIBCPP_CHECK_MATH_SUPPORT | |
416 | AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [ | |
417 | AC_CHECK_LIB(m, sin, libm="-lm") | |
418 | save_LIBS="$LIBS" | |
419 | LIBS="$LIBS $libm" | |
420 | ||
421 | dnl Check for complex versions of math functions of platform. | |
422 | AC_CHECK_HEADERS([complex.h]) | |
423 | AC_REPLACE_MATHFUNCS(ccos ccosf ccosh ccoshf cexp cexpf c_log c_logf \ | |
424 | clog10 clog10f cpow cpowf csin csinf csinh csinhf csqrt csqrtf \ | |
425 | ctan ctanf ctanh ctanhf \ | |
426 | carg cargf nan hypot hypotf atan2f expf copysignf) | |
427 | ||
428 | dnl We compile the long double complex functions only if the function | |
429 | dnl provides the non-complex functions. | |
430 | USE_LONG_DOUBLE=no | |
431 | AC_CHECK_FUNC(sinl, | |
432 | USE_LONG_DOUBLE=yes | |
433 | AC_REPLACE_MATHFUNCS(ccoshl ccosl cexpl cpowl csinhl csinl \ | |
434 | csqrtl ctanhl ctanl cargl hypotl signbitl c_logl clog10l)) | |
435 | AC_SUBST(USE_LONG_DOUBLE) | |
436 | ||
437 | dnl Check to see if basic C math functions have faster float versions. | |
438 | AC_CHECK_FUNCS(modf isnan isnanf isnanl isinf isinff isinfl copysign \ | |
439 | copysignl cosf coshf logf log10f powf sinf sinhf sqrtf tanf tanhf \ | |
440 | strtof strtold fabsf sincos sincosf sincosl finite finite fqfinite \ | |
441 | fpclass qfpclass) | |
442 | ||
443 | #Some runtimes have these functions with a preceding underscore. Please | |
444 | # keep this sync'd with the one above. And if you add any new symbol, | |
445 | # please add the corresponding block in the @BOTTOM@ section of | |
446 | # acconfig.h. | |
447 | AC_CHECK_FUNCS(_modf _isnan _isnanf _isnanl _isinf _isinff _isinfl _copysign \ | |
448 | _copysignl _cosf _coshf _logf _log10f _powf _sinf _sinhf _sqrtf _tanf _tanhf \ | |
449 | _strtof _strtold _fabsf _sincos _sincosf _sincosl _finite _finitef _qfinite \ | |
450 | _fpclass _qfpclass) | |
451 | ||
452 | LIBS="$save_LIBS" | |
453 | ]) | |
454 | ||
455 | ||
456 | dnl | |
457 | dnl Check to see if this target can enable the wchar_t parts of libstdc++. | |
458 | dnl | |
459 | dnl Define _GLIBCPP_USE_WCHAR_T if all the bits are found | |
460 | dnl Define _GLIBCPP_NEED_MBSTATE_T if mbstate_t is not in wchar.h | |
461 | dnl Define _GLIBCPP_HAS_WCHAR_MIN_MAX if WCHAR_MIN, WCHAR_MAX in wchar.h | |
462 | dnl | |
463 | dnl GLIBCPP_CHECK_WCHAR_T_SUPPORT | |
464 | AC_DEFUN(GLIBCPP_CHECK_WCHAR_T_SUPPORT, [ | |
465 | AC_CHECK_HEADER(wchar.h,[ | |
466 | dnl Test wchar.h for mbstate_t, which is needed for char_traits and others. | |
467 | AC_MSG_CHECKING([for native mbstate_t]) | |
468 | AC_TRY_COMPILE([#include <wchar.h>], | |
469 | [mbstate_t teststate;], | |
470 | use_native_mbstatet=yes, use_native_mbstatet=no) | |
471 | AC_MSG_RESULT($use_native_mbstatet) | |
472 | if test $use_native_mbstatet = "no"; then | |
473 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
474 | fi | |
475 | ||
476 | dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before | |
477 | dnl numeric_limits can instantiate type_traits<wchar_t> | |
478 | AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX]) | |
479 | AC_TRY_COMPILE([#include <wchar.h>], | |
480 | [int i = WCHAR_MIN; int j = WCHAR_MAX;], | |
481 | has_wchar_minmax=yes, has_wchar_minmax=no) | |
482 | AC_MSG_RESULT($has_wchar_minmax) | |
483 | if test $has_wchar_minmax = "yes"; then | |
484 | AC_DEFINE(_GLIBCPP_HAS_WCHAR_MIN_MAX) | |
485 | fi | |
486 | ||
487 | # Test wchar.h for WEOF, which is what we use to determine whether | |
488 | # to specialize for wchar_t or not. | |
489 | AC_MSG_CHECKING([for WEOF]) | |
490 | AC_TRY_COMPILE([ | |
491 | #include <wchar.h> | |
492 | #include <stddef.h>], | |
493 | [wint_t i = WEOF;], | |
494 | has_weof=yes, has_weof=no) | |
495 | AC_MSG_RESULT($has_weof) | |
496 | ||
497 | dnl Tests for wide character functions. | |
498 | AC_REPLACE_STRINGFUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset) | |
499 | ||
500 | AC_MSG_CHECKING([for wide character support]) | |
501 | if test $has_weof = "yes" && test $has_wchar_minmax = "yes"; then | |
502 | AC_DEFINE(_GLIBCPP_USE_WCHAR_T) | |
503 | AC_MSG_RESULT(ok) | |
504 | else | |
505 | AC_MSG_RESULT("not specializing for wchar_t") | |
506 | fi | |
507 | ],[ | |
508 | AC_MSG_WARN([<wchar.h> not found]) | |
509 | AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T) | |
510 | ]) | |
511 | ]) | |
512 | ||
513 | ||
514 | dnl | |
515 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
516 | dnl __complex__ float support. | |
517 | dnl | |
518 | dnl Define _GLIBCPP_BUGGY_FLOAT_COMPLEX if buggy. | |
519 | dnl | |
520 | dnl GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT | |
521 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT, [ | |
522 | AC_REQUIRE([AC_PROG_CXX]) | |
523 | AC_MSG_CHECKING([for GNU C++ __complex__ float support]) | |
524 | AC_CACHE_VAL(glibcpp_cv_float_complex, [ | |
525 | AC_LANG_SAVE | |
526 | AC_LANG_CPLUSPLUS | |
527 | rm -f conftest.h | |
528 | cat > conftest.h <<EOB | |
529 | // | |
530 | // Check for buggy __complex__ that causes ICE in most versions of egcs | |
531 | // and gcc-2.95.x on certain platforms (eg., x86-win32). | |
532 | // | |
533 | // See http://egcs.cygnus.com/ml/gcc-bugs/1999-07/msg00845.html for | |
534 | // more info on the bug itself. | |
535 | // | |
536 | struct | |
537 | float_complex | |
538 | { | |
539 | __complex__ float m_value; | |
540 | float_complex (float = 0.0f, float = 0.0f); | |
541 | float_complex (__complex__ float val) : m_value (val) {} | |
542 | float_complex foo (const float_complex &val) | |
543 | { return float_complex (~val.m_value); } | |
544 | }; | |
545 | EOB | |
546 | AC_TRY_COMPILE([#include "conftest.h"], , | |
547 | glibcpp_cv_float_complex=ok, | |
548 | glibcpp_cv_float_complex=buggy | |
549 | ) | |
550 | AC_LANG_RESTORE | |
551 | ]) | |
552 | AC_MSG_RESULT($glibcpp_cv_float_complex) | |
553 | if test $glibcpp_cv_float_complex = buggy; then | |
554 | AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) | |
555 | fi | |
556 | ]) | |
557 | ||
558 | ||
559 | dnl | |
560 | dnl | |
561 | dnl Check to see if this version of GNU C++ is afflicted by bugs in | |
562 | dnl __complex__ support.Check for buggy __complex__ that will cause ICE in | |
563 | dnl gcc-2.95.x when using the library, unless we define the default copy | |
564 | dnl ctor in the specializations of complex<>. | |
565 | dnl | |
566 | dnl Define _GLIBCPP_BUGGY_COMPLEX if buggy. | |
567 | dnl | |
568 | dnl GLIBCPP_CHECK_COMPLEX_SUPPORT | |
569 | AC_DEFUN(GLIBCPP_CHECK_COMPLEX_SUPPORT, [ | |
570 | AC_REQUIRE([AC_PROG_CXX]) | |
571 | AC_MSG_CHECKING([for GNU C++ __complex__ support]) | |
572 | AC_CACHE_VAL(glibcpp_cv_complex, [ | |
573 | AC_LANG_SAVE | |
574 | AC_LANG_CPLUSPLUS | |
575 | AC_TRY_COMPILE([struct dcomplex { __complex__ double x; }; \ | |
576 | dcomplex f(const dcomplex& x) { return dcomplex(x); }], \ | |
577 | [ dcomplex x; f(x); ], | |
578 | glibcpp_cv_complex=ok, | |
579 | glibcpp_cv_complex=buggy | |
580 | ) | |
581 | AC_LANG_RESTORE | |
582 | ]) | |
583 | AC_MSG_RESULT($glibcpp_cv_complex) | |
584 | if test $glibcpp_cv_complex = buggy; then | |
585 | AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) | |
586 | fi | |
587 | ]) | |
588 | ||
589 | ||
590 | dnl | |
591 | dnl Check for certain special build configurations. | |
592 | dnl | |
593 | dnl GLIBCPP_ENABLE_DEBUG | |
594 | dnl --enable-debug sets '-ggdb -O0'. | |
595 | dnl --disable-debug sets '-g' and whatever optimization options the | |
596 | dnl compiler can handle. | |
597 | dnl + Perhaps --enable-maintainer-mode should automatically turn this on? | |
598 | dnl + Perhaps -D/-U of NDEBUG, DEBUG, DEBUG_ASSERT, ...? | |
599 | dnl + Usage: GLIBCPP_ENABLE_DEBUG[(DEFAULT)] | |
600 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
601 | dnl defaults to `no'. | |
602 | AC_DEFUN(GLIBCPP_ENABLE_DEBUG, [dnl | |
603 | define([GLIBCPP_ENABLE_DEBUG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
604 | AC_ARG_ENABLE(debug, | |
605 | changequote(<<, >>)dnl | |
606 | << --enable-debug extra debugging, turn off optimization [default=>>GLIBCPP_ENABLE_DEBUG_DEFAULT], | |
607 | changequote([, ])dnl | |
608 | [case "$enableval" in | |
609 | yes) enable_debug=yes ;; | |
610 | no) enable_debug=no ;; | |
611 | *) AC_MSG_ERROR([Unknown argument to enable/disable extra debugging]) ;; | |
612 | esac], | |
613 | enable_debug=GLIBCPP_ENABLE_DEBUG_DEFAULT)dnl | |
614 | dnl Option parsed, now set things appropriately | |
615 | case "$enable_debug" in | |
616 | yes) DEBUGFLAGS='-ggdb -O0' | |
617 | ;; | |
618 | no) DEBUGFLAGS='-g' | |
619 | ;; | |
620 | esac | |
621 | AC_SUBST(DEBUGFLAGS) | |
622 | ]) | |
623 | ||
624 | ||
625 | dnl | |
626 | dnl Check for certain special build configurations. | |
627 | dnl | |
628 | dnl GLIBCPP_ENABLE_NAMESPACES | |
629 | dnl --enable-namespaces sets '-fhonor-std' and defines _GLIBCPP_USE_NAMESPACES | |
630 | dnl --disable-namespaces sets '-fno-honor-std' (the macro should be | |
631 | dnl undefined by default in whatever.h.in). | |
632 | dnl + Eventually, this will go away. | |
633 | dnl + Usage: GLIBCPP_ENABLE_NAMESPACES[(DEFAULT)] | |
634 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
635 | dnl defaults to `no'. | |
636 | AC_DEFUN(GLIBCPP_ENABLE_NAMESPACES, [dnl | |
637 | define([GLIBCPP_ENABLE_NAMESPACES_DEFAULT], ifelse($1, yes, yes, no))dnl | |
638 | AC_ARG_ENABLE(namespaces, | |
639 | changequote(<<, >>)dnl | |
640 | << --enable-namespaces turns on 'std' [default=>>GLIBCPP_ENABLE_NAMESPACES_DEFAULT], | |
641 | changequote([, ])dnl | |
642 | [case "$enableval" in | |
643 | yes) enable_namespaces=yes ;; | |
644 | no) enable_namespaces=no ;; | |
645 | *) AC_MSG_ERROR([Unknown argument to enable/disable namespaces]) ;; | |
646 | esac], | |
647 | enable_namespaces=GLIBCPP_ENABLE_NAMESPACES_DEFAULT)dnl | |
648 | dnl Option parsed, now set things appropriately | |
649 | case "$enable_namespaces" in | |
650 | yes) NAMESPACES='-fhonor-std' | |
651 | AC_DEFINE(_GLIBCPP_USE_NAMESPACES) | |
652 | ;; | |
653 | no) NAMESPACES='-fno-honor-std' | |
654 | ;; | |
655 | esac | |
656 | AC_SUBST(NAMESPACES) | |
657 | ]) | |
658 | ||
659 | ||
660 | dnl | |
661 | dnl Check for instructions to automatically rebuild libgcc.a. Requires, | |
662 | dnl of course, the location of the gcc objdir. Note that if --disable- | |
663 | dnl namespaces is in effect, rebuilding libgcc.a is an expensive no-op. | |
664 | dnl | |
665 | dnl GLIBCPP_ENABLE_RELIBGCC | |
666 | dnl --enable-libgcc-rebuild=/absolute/path/to/gcc/objdir sets GCC_OBJDIR | |
667 | dnl (presumably in the top-level Makefile) to /absol.../objdir | |
668 | dnl --disable-libgcc-rebuild will not touch libgcc.a at all (maybe print | |
669 | dnl a warning if this is given along with --enable-namespaces), by | |
670 | dnl setting GCC_OBJDIR to `no'. | |
671 | dnl + Doing this by default is going to be interesting. What default | |
672 | dnl "on" value can there be? | |
673 | dnl + Usage: GLIBCPP_ENABLE_RELIBGCC[(DEFAULT)] | |
674 | dnl The default path should be ../.. if bundled with GCC source. | |
675 | dnl If ommitted, it defaults to `no'. | |
676 | dnl | |
677 | AC_DEFUN(GLIBCPP_ENABLE_RELIBGCC, [dnl | |
678 | define([GLIBCPP_ENABLE_RELIBGCC_DEFAULT], ifelse($1,, no, $1))dnl | |
679 | AC_ARG_ENABLE(libgcc-rebuild, | |
680 | changequote(<<, >>)dnl | |
681 | << --enable-libgcc-rebuild=DIR also rebuild libgcc.a; DIR is | |
682 | the GCC objdir; see install.html>>, | |
683 | changequote([, ])dnl | |
684 | [case "$enableval" in | |
685 | yes) AC_MSG_ERROR([--enable-libgcc-rebuild needs a pathname]) ;; | |
686 | no) enable_libgcc_rebuild=no ;; | |
687 | *) if test -d "$enableval" && test -d "${enableval}/gcc" && \ | |
688 | test -d "${enableval}/libiberty" | |
689 | then | |
690 | enable_libgcc_rebuild="$enableval" | |
691 | else | |
692 | AC_MSG_ERROR(["$enableval" does not appear to be the GCC objdir]) | |
693 | fi | |
694 | ;; | |
695 | esac], | |
696 | enable_libgcc_rebuild=GLIBCPP_ENABLE_RELIBGCC_DEFAULT)dnl | |
697 | GCC_OBJDIR="$enable_libgcc_rebuild" | |
698 | AC_SUBST(GCC_OBJDIR) | |
699 | ]) | |
700 | ||
701 | ||
702 | dnl | |
703 | dnl Check for certain special build configurations. | |
704 | dnl | |
705 | dnl GLIBCPP_ENABLE_CSTDIO | |
706 | dnl --enable-cstdio=libio sets config/c_io_libio.h and friends | |
707 | dnl | |
708 | dnl default is libio | |
709 | dnl | |
710 | AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [ | |
711 | AC_MSG_CHECKING([for cstdio to use]) | |
712 | AC_ARG_ENABLE(cstdio, | |
713 | [ --enable-cstdio enable GNU libio for target io package. (default) | |
714 | --enable-cstdio=LIB use LIB target-speific io package.], | |
715 | if test x$enable_cstdio = xno; then | |
716 | enable_cstdio=libio | |
717 | fi, | |
718 | enable_cstdio=libio) | |
719 | ||
720 | enable_cstdio_flag=$enable_cstdio | |
721 | ||
722 | dnl Check if a valid thread package | |
723 | case x${enable_cstdio_flag} in | |
724 | xlibio | x | xno | xnone | xyes) | |
725 | # default | |
726 | CSTDIO_H=c_io_libio.h | |
727 | CSTDIO_CC=c_io_libio.cc | |
728 | AC_MSG_RESULT(libio) | |
729 | ||
730 | # see if we are on a system with libio native (ie, linux) | |
731 | AC_CHECK_HEADER(libio.h, has_libio=yes, has_libio=no) | |
732 | if test $has_libio = "yes"; then | |
733 | BUILD_LIBIO_INCLUDE= | |
734 | need_libio=no | |
735 | else | |
736 | BUILD_LIBIO_INCLUDE='-I../libio' | |
737 | need_libio=yes | |
738 | fi | |
739 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
740 | ;; | |
741 | xwince) | |
742 | CSTDIO_H=c_io_wince.h | |
743 | CSTDIO_CC=c_io_wince.cc | |
744 | AC_MSG_RESULT(wince) | |
745 | ||
746 | need_libio=no | |
747 | BUILD_LIBIO_INCLUDE= | |
748 | AC_SUBST(BUILD_LIBIO_INCLUDE) | |
749 | ;; | |
750 | *) | |
751 | echo "$enable_cstdio is an unknown io package" 1>&2 | |
752 | exit 1 | |
753 | ;; | |
754 | esac | |
755 | AC_SUBST(CSTDIO_H) | |
756 | AC_SUBST(CSTDIO_CC) | |
757 | AM_CONDITIONAL(GLIBCPP_NEED_LIBIO, test "$need_libio" = yes) | |
758 | ]) | |
759 | ||
760 | ||
761 | dnl | |
762 | dnl Check for certain special build configurations. | |
763 | dnl | |
764 | dnl GLIBCPP_ENABLE_THREADS | |
765 | dnl --enable-threads=posix sets config/threads-posix.h et. al. | |
766 | dnl | |
767 | dnl default is no threads | |
768 | dnl | |
769 | AC_DEFUN(GLIBCPP_ENABLE_THREADS, [ | |
770 | dnl Note this comes from the gcc/config.in and libjava/config.in | |
771 | dnl Efforts should be made to keep this in sync. | |
772 | AC_MSG_CHECKING([for threads package to use]) | |
773 | AC_ARG_ENABLE(threads, | |
774 | [ --enable-threads enable thread usage for target GCC. | |
775 | --enable-threads=LIB use LIB thread package for target GCC.], | |
776 | if test x$enable_threads = xno; then | |
777 | enable_threads='' | |
778 | fi, | |
779 | enable_threads='') | |
780 | ||
781 | enable_threads_flag=$enable_threads | |
782 | ||
783 | dnl Check if a valid thread package | |
784 | case x${enable_threads_flag} in | |
785 | x | xno | xnone) | |
786 | # No threads | |
787 | target_thread_file='single' | |
788 | ;; | |
789 | xyes) | |
790 | # default | |
791 | target_thread_file='' | |
792 | ;; | |
793 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
794 | xsolaris | xwin32 | xdce | xvxworks) | |
795 | target_thread_file=$enable_threads_flag | |
796 | ;; | |
797 | *) | |
798 | echo "$enable_threads is an unknown thread package" 1>&2 | |
799 | exit 1 | |
800 | ;; | |
801 | esac | |
802 | ||
803 | dnl Check for thread package actually supported in libstdc++ | |
804 | case "$target_thread_file" in | |
805 | no | none | single) | |
806 | THREADS=none | |
807 | ;; | |
808 | posix | pthreads) | |
809 | THREADS=posix | |
810 | case "$host" in | |
811 | *-*-linux*) | |
812 | ;; | |
813 | esac | |
814 | ;; | |
815 | decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks) | |
816 | AC_MSG_ERROR(thread package $THREADS not yet supported) | |
817 | ;; | |
818 | *) | |
819 | AC_MSG_ERROR($THREADS is an unknown thread package) | |
820 | ;; | |
821 | esac | |
822 | AC_MSG_RESULT($THREADS) | |
823 | ||
824 | THREADLIBS= | |
825 | THREADINCS= | |
826 | THREADDEPS= | |
827 | THREADOBJS= | |
828 | THREADH= | |
829 | THREADSPEC= | |
830 | case "$THREADS" in | |
831 | posix) | |
832 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
833 | THREADLIBS=-lpthread | |
834 | THREADSPEC=-lpthread | |
835 | dnl Not presently used | |
836 | dnl THREADOBJS=threads-posix.lo | |
837 | THREADH=threads-posix.h | |
838 | ;; | |
839 | none) | |
840 | dnl Not presently used | |
841 | dnl THREADOBJS=threads-no.lo | |
842 | THREADH=threads-no.h | |
843 | ;; | |
844 | esac | |
845 | AC_SUBST(THREADLIBS) | |
846 | AC_SUBST(THREADINCS) | |
847 | AC_SUBST(THREADDEPS) | |
848 | AC_SUBST(THREADOBJS) | |
849 | AC_SUBST(THREADSPEC) | |
850 | ]) | |
851 | ||
852 | ||
853 | dnl | |
854 | dnl Check for certain special build configurations. | |
855 | dnl | |
856 | dnl GLIBCPP_ENABLE_LONG_LONG | |
857 | dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG | |
858 | dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined | |
859 | dnl + Usage: GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)] | |
860 | dnl Where DEFAULT is either `yes' or `no'. If ommitted, it | |
861 | dnl defaults to `no'. | |
862 | dnl | |
863 | dnl GLIBCPP_ENABLE_LONG_LONG | |
864 | AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl | |
865 | define([GLIBCPP_ENABLE_LONG_LONG_DEFAULT], ifelse($1, yes, yes, no))dnl | |
866 | AC_ARG_ENABLE(long-long, | |
867 | changequote(<<, >>)dnl | |
868 | <<--enable-long_long turns on 'long long' [default=>>GLIBCPP_ENABLE_LONG_LONG_DEFAULT], | |
869 | changequote([, ])dnl | |
870 | [case "$enableval" in | |
871 | yes) enable_long_long=yes ;; | |
872 | no) enable_long_long=no ;; | |
873 | *) AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;; | |
874 | esac], | |
875 | enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl | |
876 | dnl Option parsed, now set things appropriately | |
877 | case "$enable_long_long" in | |
878 | yes) AC_DEFINE(_GLIBCPP_USE_LONG_LONG) | |
879 | ;; | |
880 | esac | |
881 | ]) | |
882 | ||
883 | ||
884 | ||
885 | ||
886 | ||
887 | ||
888 | ||
889 | ||
890 | ||
891 | ||
892 | ||
893 | ||
894 | ||
895 | # Do all the work for Automake. This macro actually does too much -- | |
896 | # some checks are only needed if your package does certain things. | |
897 | # But this isn't really a big deal. | |
898 | ||
899 | # serial 1 | |
900 | ||
901 | dnl Usage: | |
902 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) | |
903 | ||
904 | AC_DEFUN(AM_INIT_AUTOMAKE, | |
905 | [AC_REQUIRE([AC_PROG_INSTALL]) | |
906 | PACKAGE=[$1] | |
907 | AC_SUBST(PACKAGE) | |
908 | VERSION=[$2] | |
909 | AC_SUBST(VERSION) | |
910 | dnl test to see if srcdir already configured | |
911 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then | |
912 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) | |
913 | fi | |
914 | ifelse([$3],, | |
915 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) | |
916 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) | |
917 | AC_REQUIRE([AM_SANITY_CHECK]) | |
918 | AC_REQUIRE([AC_ARG_PROGRAM]) | |
919 | dnl FIXME This is truly gross. | |
920 | missing_dir=`cd $ac_aux_dir && pwd` | |
921 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) | |
922 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) | |
923 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) | |
924 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) | |
925 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) | |
926 | AC_REQUIRE([AC_PROG_MAKE_SET])]) | |
927 | ||
928 | # | |
929 | # Check to make sure that the build environment is sane. | |
930 | # | |
931 | ||
932 | AC_DEFUN(AM_SANITY_CHECK, | |
933 | [AC_MSG_CHECKING([whether build environment is sane]) | |
934 | # Just in case | |
935 | sleep 1 | |
936 | echo timestamp > conftestfile | |
937 | # Do `set' in a subshell so we don't clobber the current shell's | |
938 | # arguments. Must try -L first in case configure is actually a | |
939 | # symlink; some systems play weird games with the mod time of symlinks | |
940 | # (eg FreeBSD returns the mod time of the symlink's containing | |
941 | # directory). | |
942 | if ( | |
943 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` | |
944 | if test "[$]*" = "X"; then | |
945 | # -L didn't work. | |
946 | set X `ls -t $srcdir/configure conftestfile` | |
947 | fi | |
948 | if test "[$]*" != "X $srcdir/configure conftestfile" \ | |
949 | && test "[$]*" != "X conftestfile $srcdir/configure"; then | |
950 | ||
951 | # If neither matched, then we have a broken ls. This can happen | |
952 | # if, for instance, CONFIG_SHELL is bash and it inherits a | |
953 | # broken ls alias from the environment. This has actually | |
954 | # happened. Such a system could not be considered "sane". | |
955 | AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken | |
956 | alias in your environment]) | |
957 | fi | |
958 | ||
959 | test "[$]2" = conftestfile | |
960 | ) | |
961 | then | |
962 | # Ok. | |
963 | : | |
964 | else | |
965 | AC_MSG_ERROR([newly created file is older than distributed files! | |
966 | Check your system clock]) | |
967 | fi | |
968 | rm -f conftest* | |
969 | AC_MSG_RESULT(yes)]) | |
970 | ||
971 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) | |
972 | dnl The program must properly implement --version. | |
973 | AC_DEFUN(AM_MISSING_PROG, | |
974 | [AC_MSG_CHECKING(for working $2) | |
975 | # Run test in a subshell; some versions of sh will print an error if | |
976 | # an executable is not found, even if stderr is redirected. | |
977 | # Redirect stdin to placate older versions of autoconf. Sigh. | |
978 | if ($2 --version) < /dev/null > /dev/null 2>&1; then | |
979 | $1=$2 | |
980 | AC_MSG_RESULT(found) | |
981 | else | |
982 | $1="$3/missing $2" | |
983 | AC_MSG_RESULT(missing) | |
984 | fi | |
985 | AC_SUBST($1)]) | |
986 | ||
987 | # Add --enable-maintainer-mode option to configure. | |
988 | # From Jim Meyering | |
989 | ||
990 | # serial 1 | |
991 | ||
992 | AC_DEFUN(AM_MAINTAINER_MODE, | |
993 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
994 | dnl maintainer-mode is disabled by default | |
995 | AC_ARG_ENABLE(maintainer-mode, | |
996 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
997 | (and sometimes confusing) to the casual installer], | |
998 | USE_MAINTAINER_MODE=$enableval, | |
999 | USE_MAINTAINER_MODE=no) | |
1000 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
1001 | AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) | |
1002 | MAINT=$MAINTAINER_MODE_TRUE | |
1003 | AC_SUBST(MAINT)dnl | |
1004 | ] | |
1005 | ) | |
1006 | ||
1007 | # Define a conditional. | |
1008 | ||
1009 | AC_DEFUN(AM_CONDITIONAL, | |
1010 | [AC_SUBST($1_TRUE) | |
1011 | AC_SUBST($1_FALSE) | |
1012 | if $2; then | |
1013 | $1_TRUE= | |
1014 | $1_FALSE='#' | |
1015 | else | |
1016 | $1_TRUE='#' | |
1017 | $1_FALSE= | |
1018 | fi]) | |
1019 | ||
1020 | # Check for functions in math library. | |
1021 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1022 | # | |
1023 | # This file can be copied and used freely without restrictions. It can | |
1024 | # be used in projects which are not available under the GNU Public License | |
1025 | # but which still want to provide support for the GNU gettext functionality. | |
1026 | # Please note that the actual code is *not* freely available. | |
1027 | ||
1028 | # serial 1 | |
1029 | ||
1030 | dnl AC_REPLACE_MATHFUNCS(FUNCTION...) | |
1031 | AC_DEFUN(AC_REPLACE_MATHFUNCS, | |
1032 | [AC_CHECK_FUNCS([$1], , [LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"]) | |
1033 | AC_SUBST(LIBMATHOBJS)dnl | |
1034 | ]) | |
1035 | ||
1036 | # Check for string functions. | |
1037 | # Ulrich Drepper <drepper@cygnus.com>, 1998. | |
1038 | # | |
1039 | # This file can be copied and used freely without restrictions. It can | |
1040 | # be used in projects which are not available under the GNU Public License | |
1041 | # but which still want to provide support for the GNU gettext functionality. | |
1042 | # Please note that the actual code is *not* freely available. | |
1043 | ||
1044 | # serial 1 | |
1045 | ||
1046 | dnl AC_REPLACE_STRINGFUNCS(FUNCTION...) | |
1047 | AC_DEFUN(AC_REPLACE_STRINGFUNCS, | |
1048 | [AC_CHECK_FUNCS([$1], , [LIBSTRINGOBJS="$LIBSTRINGOBJS ${ac_func}.lo"]) | |
1049 | AC_SUBST(LIBSTRINGOBJS)dnl | |
1050 | ]) | |
1051 | ||
1052 | ||
1053 | # serial 40 AC_PROG_LIBTOOL | |
1054 | AC_DEFUN(AC_PROG_LIBTOOL, | |
1055 | [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl | |
1056 | ||
1057 | # Save cache, so that ltconfig can load it | |
1058 | AC_CACHE_SAVE | |
1059 | ||
1060 | # Actually configure libtool. ac_aux_dir is where install-sh is found. | |
1061 | CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ | |
1062 | LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ | |
1063 | LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ | |
1064 | DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ | |
1065 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ | |
1066 | $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \ | |
1067 | || AC_MSG_ERROR([libtool configure failed]) | |
1068 | ||
1069 | # Reload cache, that may have been modified by ltconfig | |
1070 | AC_CACHE_LOAD | |
1071 | ||
1072 | # This can be used to rebuild libtool when needed | |
1073 | LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" | |
1074 | ||
1075 | # Always use our own libtool. | |
1076 | LIBTOOL='$(SHELL) $(top_builddir)/libtool' | |
1077 | AC_SUBST(LIBTOOL)dnl | |
1078 | ||
1079 | # Redirect the config.log output again, so that the ltconfig log is not | |
1080 | # clobbered by the next message. | |
1081 | exec 5>>./config.log | |
1082 | ]) | |
1083 | ||
1084 | AC_DEFUN(AC_LIBTOOL_SETUP, | |
1085 | [AC_PREREQ(2.13)dnl | |
1086 | AC_REQUIRE([AC_ENABLE_SHARED])dnl | |
1087 | AC_REQUIRE([AC_ENABLE_STATIC])dnl | |
1088 | AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl | |
1089 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
1090 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
1091 | AC_REQUIRE([AC_PROG_RANLIB])dnl | |
1092 | AC_REQUIRE([AC_PROG_CC])dnl | |
1093 | AC_REQUIRE([AC_PROG_LD])dnl | |
1094 | AC_REQUIRE([AC_PROG_NM])dnl | |
1095 | AC_REQUIRE([AC_PROG_LN_S])dnl | |
1096 | dnl | |
1097 | ||
1098 | case "$target" in | |
1099 | NONE) lt_target="$host" ;; | |
1100 | *) lt_target="$target" ;; | |
1101 | esac | |
1102 | ||
1103 | # Check for any special flags to pass to ltconfig. | |
1104 | libtool_flags="--cache-file=$cache_file" | |
1105 | test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" | |
1106 | test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" | |
1107 | test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" | |
1108 | test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" | |
1109 | test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" | |
1110 | ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], | |
1111 | [libtool_flags="$libtool_flags --enable-dlopen"]) | |
1112 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], | |
1113 | [libtool_flags="$libtool_flags --enable-win32-dll"]) | |
1114 | AC_ARG_ENABLE(libtool-lock, | |
1115 | [ --disable-libtool-lock avoid locking (might break parallel builds)]) | |
1116 | test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" | |
1117 | test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" | |
1118 | ||
1119 | # Some flags need to be propagated to the compiler or linker for good | |
1120 | # libtool support. | |
1121 | case "$lt_target" in | |
1122 | *-*-irix6*) | |
1123 | # Find out which ABI we are using. | |
1124 | echo '[#]line __oline__ "configure"' > conftest.$ac_ext | |
1125 | if AC_TRY_EVAL(ac_compile); then | |
1126 | case "`/usr/bin/file conftest.o`" in | |
1127 | *32-bit*) | |
1128 | LD="${LD-ld} -32" | |
1129 | ;; | |
1130 | *N32*) | |
1131 | LD="${LD-ld} -n32" | |
1132 | ;; | |
1133 | *64-bit*) | |
1134 | LD="${LD-ld} -64" | |
1135 | ;; | |
1136 | esac | |
1137 | fi | |
1138 | rm -rf conftest* | |
1139 | ;; | |
1140 | ||
1141 | *-*-sco3.2v5*) | |
1142 | # On SCO OpenServer 5, we need -belf to get full-featured binaries. | |
1143 | SAVE_CFLAGS="$CFLAGS" | |
1144 | CFLAGS="$CFLAGS -belf" | |
1145 | AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, | |
1146 | [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) | |
1147 | if test x"$lt_cv_cc_needs_belf" != x"yes"; then | |
1148 | # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf | |
1149 | CFLAGS="$SAVE_CFLAGS" | |
1150 | fi | |
1151 | ;; | |
1152 | ||
1153 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], | |
1154 | [*-*-cygwin* | *-*-mingw*) | |
1155 | AC_CHECK_TOOL(DLLTOOL, dlltool, false) | |
1156 | AC_CHECK_TOOL(AS, as, false) | |
1157 | AC_CHECK_TOOL(OBJDUMP, objdump, false) | |
1158 | ;; | |
1159 | ]) | |
1160 | esac | |
1161 | ]) | |
1162 | ||
1163 | # AC_LIBTOOL_DLOPEN - enable checks for dlopen support | |
1164 | AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) | |
1165 | ||
1166 | # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's | |
1167 | AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) | |
1168 | ||
1169 | # AC_ENABLE_SHARED - implement the --enable-shared flag | |
1170 | # Usage: AC_ENABLE_SHARED[(DEFAULT)] | |
1171 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1172 | # `yes'. | |
1173 | AC_DEFUN(AC_ENABLE_SHARED, [dnl | |
1174 | define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl | |
1175 | AC_ARG_ENABLE(shared, | |
1176 | changequote(<<, >>)dnl | |
1177 | << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], | |
1178 | changequote([, ])dnl | |
1179 | [p=${PACKAGE-default} | |
1180 | case "$enableval" in | |
1181 | yes) enable_shared=yes ;; | |
1182 | no) enable_shared=no ;; | |
1183 | *) | |
1184 | enable_shared=no | |
1185 | # Look at the argument we got. We use all the common list separators. | |
1186 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
1187 | for pkg in $enableval; do | |
1188 | if test "X$pkg" = "X$p"; then | |
1189 | enable_shared=yes | |
1190 | fi | |
1191 | done | |
1192 | IFS="$ac_save_ifs" | |
1193 | ;; | |
1194 | esac], | |
1195 | enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl | |
1196 | ]) | |
1197 | ||
1198 | # AC_DISABLE_SHARED - set the default shared flag to --disable-shared | |
1199 | AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
1200 | AC_ENABLE_SHARED(no)]) | |
1201 | ||
1202 | # AC_ENABLE_STATIC - implement the --enable-static flag | |
1203 | # Usage: AC_ENABLE_STATIC[(DEFAULT)] | |
1204 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1205 | # `yes'. | |
1206 | AC_DEFUN(AC_ENABLE_STATIC, [dnl | |
1207 | define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl | |
1208 | AC_ARG_ENABLE(static, | |
1209 | changequote(<<, >>)dnl | |
1210 | << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], | |
1211 | changequote([, ])dnl | |
1212 | [p=${PACKAGE-default} | |
1213 | case "$enableval" in | |
1214 | yes) enable_static=yes ;; | |
1215 | no) enable_static=no ;; | |
1216 | *) | |
1217 | enable_static=no | |
1218 | # Look at the argument we got. We use all the common list separators. | |
1219 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
1220 | for pkg in $enableval; do | |
1221 | if test "X$pkg" = "X$p"; then | |
1222 | enable_static=yes | |
1223 | fi | |
1224 | done | |
1225 | IFS="$ac_save_ifs" | |
1226 | ;; | |
1227 | esac], | |
1228 | enable_static=AC_ENABLE_STATIC_DEFAULT)dnl | |
1229 | ]) | |
1230 | ||
1231 | # AC_DISABLE_STATIC - set the default static flag to --disable-static | |
1232 | AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
1233 | AC_ENABLE_STATIC(no)]) | |
1234 | ||
1235 | ||
1236 | # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag | |
1237 | # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] | |
1238 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
1239 | # `yes'. | |
1240 | AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl | |
1241 | define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl | |
1242 | AC_ARG_ENABLE(fast-install, | |
1243 | changequote(<<, >>)dnl | |
1244 | << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], | |
1245 | changequote([, ])dnl | |
1246 | [p=${PACKAGE-default} | |
1247 | case "$enableval" in | |
1248 | yes) enable_fast_install=yes ;; | |
1249 | no) enable_fast_install=no ;; | |
1250 | *) | |
1251 | enable_fast_install=no | |
1252 | # Look at the argument we got. We use all the common list separators. | |
1253 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
1254 | for pkg in $enableval; do | |
1255 | if test "X$pkg" = "X$p"; then | |
1256 | enable_fast_install=yes | |
1257 | fi | |
1258 | done | |
1259 | IFS="$ac_save_ifs" | |
1260 | ;; | |
1261 | esac], | |
1262 | enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl | |
1263 | ]) | |
1264 | ||
1265 | # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install | |
1266 | AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
1267 | AC_ENABLE_FAST_INSTALL(no)]) | |
1268 | ||
1269 | # AC_PROG_LD - find the path to the GNU or non-GNU linker | |
1270 | AC_DEFUN(AC_PROG_LD, | |
1271 | [AC_ARG_WITH(gnu-ld, | |
1272 | [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], | |
1273 | test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) | |
1274 | AC_REQUIRE([AC_PROG_CC])dnl | |
1275 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
1276 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
1277 | ac_prog=ld | |
1278 | if test "$ac_cv_prog_gcc" = yes; then | |
1279 | # Check if gcc -print-prog-name=ld gives a path. | |
1280 | AC_MSG_CHECKING([for ld used by GCC]) | |
1281 | ac_prog=`($CC -print-prog-name=ld) 2>&5` | |
1282 | case "$ac_prog" in | |
1283 | # Accept absolute paths. | |
1284 | changequote(,)dnl | |
1285 | [\\/]* | [A-Za-z]:[\\/]*) | |
1286 | re_direlt='/[^/][^/]*/\.\./' | |
1287 | changequote([,])dnl | |
1288 | # Canonicalize the path of ld | |
1289 | ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | |
1290 | while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | |
1291 | ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | |
1292 | done | |
1293 | test -z "$LD" && LD="$ac_prog" | |
1294 | ;; | |
1295 | "") | |
1296 | # If it fails, then pretend we aren't using GCC. | |
1297 | ac_prog=ld | |
1298 | ;; | |
1299 | *) | |
1300 | # If it is relative, then search for the first ld in PATH. | |
1301 | with_gnu_ld=unknown | |
1302 | ;; | |
1303 | esac | |
1304 | elif test "$with_gnu_ld" = yes; then | |
1305 | AC_MSG_CHECKING([for GNU ld]) | |
1306 | else | |
1307 | AC_MSG_CHECKING([for non-GNU ld]) | |
1308 | fi | |
1309 | AC_CACHE_VAL(ac_cv_path_LD, | |
1310 | [if test -z "$LD"; then | |
1311 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" | |
1312 | for ac_dir in $PATH; do | |
1313 | test -z "$ac_dir" && ac_dir=. | |
1314 | if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then | |
1315 | ac_cv_path_LD="$ac_dir/$ac_prog" | |
1316 | # Check to see if the program is GNU ld. I'd rather use --version, | |
1317 | # but apparently some GNU ld's only accept -v. | |
1318 | # Break only if it was the GNU/non-GNU ld that we prefer. | |
1319 | if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | |
1320 | test "$with_gnu_ld" != no && break | |
1321 | else | |
1322 | test "$with_gnu_ld" != yes && break | |
1323 | fi | |
1324 | fi | |
1325 | done | |
1326 | IFS="$ac_save_ifs" | |
1327 | else | |
1328 | ac_cv_path_LD="$LD" # Let the user override the test with a path. | |
1329 | fi]) | |
1330 | LD="$ac_cv_path_LD" | |
1331 | if test -n "$LD"; then | |
1332 | AC_MSG_RESULT($LD) | |
1333 | else | |
1334 | AC_MSG_RESULT(no) | |
1335 | fi | |
1336 | test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) | |
1337 | AC_PROG_LD_GNU | |
1338 | ]) | |
1339 | ||
1340 | AC_DEFUN(AC_PROG_LD_GNU, | |
1341 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, | |
1342 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v. | |
1343 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | |
1344 | ac_cv_prog_gnu_ld=yes | |
1345 | else | |
1346 | ac_cv_prog_gnu_ld=no | |
1347 | fi]) | |
1348 | ]) | |
1349 | ||
1350 | # AC_PROG_NM - find the path to a BSD-compatible name lister | |
1351 | AC_DEFUN(AC_PROG_NM, | |
1352 | [AC_MSG_CHECKING([for BSD-compatible nm]) | |
1353 | AC_CACHE_VAL(ac_cv_path_NM, | |
1354 | [if test -n "$NM"; then | |
1355 | # Let the user override the test. | |
1356 | ac_cv_path_NM="$NM" | |
1357 | else | |
1358 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" | |
1359 | for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do | |
1360 | test -z "$ac_dir" && ac_dir=. | |
1361 | if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then | |
1362 | # Check to see if the nm accepts a BSD-compat flag. | |
1363 | # Adding the `sed 1q' prevents false positives on HP-UX, which says: | |
1364 | # nm: unknown option "B" ignored | |
1365 | if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
1366 | ac_cv_path_NM="$ac_dir/nm -B" | |
1367 | break | |
1368 | elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
1369 | ac_cv_path_NM="$ac_dir/nm -p" | |
1370 | break | |
1371 | else | |
1372 | ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but | |
1373 | continue # so that we can try to find one that supports BSD flags | |
1374 | fi | |
1375 | fi | |
1376 | done | |
1377 | IFS="$ac_save_ifs" | |
1378 | test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm | |
1379 | fi]) | |
1380 | NM="$ac_cv_path_NM" | |
1381 | AC_MSG_RESULT([$NM]) | |
1382 | ]) | |
1383 | ||
1384 | # AC_CHECK_LIBM - check for math library | |
1385 | AC_DEFUN(AC_CHECK_LIBM, | |
1386 | [AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
1387 | LIBM= | |
1388 | case "$lt_target" in | |
1389 | *-*-beos* | *-*-cygwin*) | |
1390 | # These system don't have libm | |
1391 | ;; | |
1392 | *-ncr-sysv4.3*) | |
1393 | AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") | |
1394 | AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") | |
1395 | ;; | |
1396 | *) | |
1397 | AC_CHECK_LIB(m, main, LIBM="-lm") | |
1398 | ;; | |
1399 | esac | |
1400 | ]) | |
1401 | ||
1402 | # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for | |
1403 | # the libltdl convenience library, adds --enable-ltdl-convenience to | |
1404 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
1405 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
1406 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
1407 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
1408 | # flat, and, if you're not using automake, define top_builddir as | |
1409 | # appropriate in the Makefiles. | |
1410 | AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
1411 | case "$enable_ltdl_convenience" in | |
1412 | no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; | |
1413 | "") enable_ltdl_convenience=yes | |
1414 | ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; | |
1415 | esac | |
1416 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la | |
1417 | INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) | |
1418 | ]) | |
1419 | ||
1420 | # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for | |
1421 | # the libltdl installable library, and adds --enable-ltdl-install to | |
1422 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
1423 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
1424 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
1425 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
1426 | # flat, and, if you're not using automake, define top_builddir as | |
1427 | # appropriate in the Makefiles. | |
1428 | # In the future, this macro may have to be called after AC_PROG_LIBTOOL. | |
1429 | AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
1430 | AC_CHECK_LIB(ltdl, main, | |
1431 | [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], | |
1432 | [if test x"$enable_ltdl_install" = xno; then | |
1433 | AC_MSG_WARN([libltdl not installed, but installation disabled]) | |
1434 | else | |
1435 | enable_ltdl_install=yes | |
1436 | fi | |
1437 | ]) | |
1438 | if test x"$enable_ltdl_install" = x"yes"; then | |
1439 | ac_configure_args="$ac_configure_args --enable-ltdl-install" | |
1440 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la | |
1441 | INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) | |
1442 | else | |
1443 | ac_configure_args="$ac_configure_args --enable-ltdl-install=no" | |
1444 | LIBLTDL="-lltdl" | |
1445 | INCLTDL= | |
1446 | fi | |
1447 | ]) | |
1448 | ||
1449 | dnl old names | |
1450 | AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl | |
1451 | AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl | |
1452 | AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl | |
1453 | AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl | |
1454 | AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl | |
1455 | AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl | |
1456 | AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl | |
1457 | ||
1458 | dnl This is just to silence aclocal about the macro not being used | |
1459 | ifelse([AC_DISABLE_FAST_INSTALL])dnl | |
1460 | ||
1461 | # Like AC_CONFIG_HEADER, but automatically create stamp file. | |
1462 | ||
1463 | AC_DEFUN(AM_CONFIG_HEADER, | |
1464 | [AC_PREREQ([2.12]) | |
1465 | AC_CONFIG_HEADER([$1]) | |
1466 | dnl When config.status generates a header, we must update the stamp-h file. | |
1467 | dnl This file resides in the same directory as the config header | |
1468 | dnl that is generated. We must strip everything past the first ":", | |
1469 | dnl and everything past the last "/". | |
1470 | AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl | |
1471 | ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>, | |
1472 | <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>, | |
1473 | <<am_indx=1 | |
1474 | for am_file in <<$1>>; do | |
1475 | case " <<$>>CONFIG_HEADERS " in | |
1476 | *" <<$>>am_file "*<<)>> | |
1477 | echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx | |
1478 | ;; | |
1479 | esac | |
1480 | am_indx=`expr "<<$>>am_indx" + 1` | |
1481 | done<<>>dnl>>) | |
1482 | changequote([,]))]) | |
1483 | ||
1484 | # Check whether LC_MESSAGES is available in <locale.h>. | |
1485 | # Ulrich Drepper <drepper@cygnus.com>, 1995. | |
1486 | # | |
1487 | # This file file be copied and used freely without restrictions. It can | |
1488 | # be used in projects which are not available under the GNU Public License | |
1489 | # but which still want to provide support for the GNU gettext functionality. | |
1490 | # Please note that the actual code is *not* freely available. | |
1491 | ||
1492 | # serial 1 | |
1493 | ||
1494 | AC_DEFUN(AC_LC_MESSAGES, | |
1495 | [if test $ac_cv_header_locale_h = yes; then | |
1496 | AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES, | |
1497 | [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], | |
1498 | ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)]) | |
1499 | if test $ac_cv_val_LC_MESSAGES = yes; then | |
1500 | AC_DEFINE(HAVE_LC_MESSAGES) | |
1501 | fi | |
1502 | fi]) | |
1503 |