1 dnl @synopsis AC_FUNC_VSNPRINTF_C99
3 dnl Check whether there is a vsnprintf() function with C99 semantics installed.
5 AC_DEFUN([AC_FUNC_VSNPRINTF_C99],
6 [AC_CACHE_CHECK(for C99 vsnprintf,
7 ac_cv_func_vsnprintf_c99,
20 r = vsnprintf(buffer, 5, s, args);
26 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
27 implementation. The above will return 7 but if you replace
28 the size of the buffer with 0, it borks! */
30 r = vsnprintf(buffer, 0, s, args);
44 }], ac_cv_func_vsnprintf_c99=yes, ac_cv_func_vsnprintf_c99=no, ac_cv_func_vsnprintf_c99=no)])
45 dnl Note that the default is to be pessimistic in the case of cross compilation.
46 dnl If you know that the target has a C99 vsnprintf(), you can get around this
47 dnl by setting ac_func_vsnprintf_c99 to yes, as described in the Autoconf manual.
48 if test $ac_cv_func_vsnprintf_c99 = yes; then
49 AC_DEFINE(HAVE_C99_VSNPRINTF, 1,
50 [Define if you have a version of the vsnprintf function
51 with semantics as specified by the ISO C99 standard.])
53 ])# AC_FUNC_VSNPRINTF_C99
56 dnl @synopsis AC_FUNC_SNPRINTF_C99
58 dnl Check whether there is a snprintf() function with C99 semantics installed.
60 AC_DEFUN([AC_FUNC_SNPRINTF_C99],
61 [AC_CACHE_CHECK(for C99 snprintf,
62 ac_cv_func_snprintf_c99,
74 r = snprintf(buffer, 5, "1234567");
79 r = snprintf(buffer, 0, "1234567");
84 r = snprintf(NULL, 0, "1234567");
97 }], ac_cv_func_snprintf_c99=yes, ac_cv_func_snprintf_c99=no, ac_cv_func_snprintf_c99=no)])
98 dnl Note that the default is to be pessimistic in the case of cross compilation.
99 dnl If you know that the target has a C99 snprintf(), you can get around this
100 dnl by setting ac_func_snprintf_c99 to yes, as described in the Autoconf manual.
101 if test $ac_cv_func_snprintf_c99 = yes; then
102 AC_DEFINE(HAVE_C99_SNPRINTF, 1,
103 [Define if you have a version of the snprintf function
104 with semantics as specified by the ISO C99 standard.])
106 ])# AC_FUNC_SNPRINTF_C99
109 dnl @synopsis AC_FUNC_PRINTF_UNIX98
111 dnl Check whether the printf() family supports Unix98 %n$ positional parameters
113 AC_DEFUN([AC_FUNC_PRINTF_UNIX98],
114 [AC_CACHE_CHECK(whether printf supports positional parameters,
115 ac_cv_func_printf_unix98,
124 sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
125 if (strcmp ("2 3 1", buffer) == 0)
128 }], ac_cv_func_printf_unix98=yes, ac_cv_func_printf_unix98=no, ac_cv_func_printf_unix98=no)])
129 dnl Note that the default is to be pessimistic in the case of cross compilation.
130 dnl If you know that the target printf() supports positional parameters, you can get around
131 dnl this by setting ac_func_printf_unix98 to yes, as described in the Autoconf manual.
132 if test $ac_cv_func_printf_unix98 = yes; then
133 AC_DEFINE(HAVE_UNIX98_PRINTF, 1,
134 [Define if your printf function family supports positional parameters
135 as specified by Unix98.])
137 ])# AC_FUNC_PRINTF_UNIX98
139 # Checks the location of the XML Catalog
141 # JH_PATH_XML_CATALOG([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
142 # Defines XMLCATALOG and XML_CATALOG_FILE substitutions
143 AC_DEFUN([JH_PATH_XML_CATALOG],
145 # check for the presence of the XML catalog
146 AC_ARG_WITH([xml-catalog],
147 AC_HELP_STRING([--with-xml-catalog=CATALOG],
148 [path to xml catalog to use]),,
149 [with_xml_catalog=/etc/xml/catalog])
150 jh_found_xmlcatalog=true
151 XML_CATALOG_FILE="$with_xml_catalog"
152 AC_SUBST([XML_CATALOG_FILE])
153 AC_MSG_CHECKING([for XML catalog ($XML_CATALOG_FILE)])
154 if test -f "$XML_CATALOG_FILE"; then
155 AC_MSG_RESULT([found])
157 jh_found_xmlcatalog=false
158 AC_MSG_RESULT([not found])
161 # check for the xmlcatalog program
162 AC_PATH_PROG(XMLCATALOG, xmlcatalog, no)
163 if test "x$XMLCATALOG" = xno; then
164 jh_found_xmlcatalog=false
167 if $jh_found_xmlcatalog; then
168 ifelse([$1],,[:],[$1])
170 ifelse([$2],,[AC_MSG_ERROR([could not find XML catalog])],[$2])
174 # Checks if a particular URI appears in the XML catalog
176 # JH_CHECK_XML_CATALOG(URI, [FRIENDLY-NAME], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
177 AC_DEFUN([JH_CHECK_XML_CATALOG],
179 AC_REQUIRE([JH_PATH_XML_CATALOG],[JH_PATH_XML_CATALOG(,[:])])dnl
180 AC_MSG_CHECKING([for ifelse([$2],,[$1],[$2]) in XML catalog])
181 if $jh_found_xmlcatalog && \
182 AC_RUN_LOG([$XMLCATALOG --noout "$XML_CATALOG_FILE" "$1" >&2]); then
183 AC_MSG_RESULT([found])
187 AC_MSG_RESULT([not found])
189 [AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])],
195 # signed.m4 serial 1 (gettext-0.10.40)
196 dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
197 dnl This file is free software, distributed under the terms of the GNU
198 dnl General Public License. As a special exception to the GNU General
199 dnl Public License, this file may be distributed as part of a program
200 dnl that contains a configuration script generated by Autoconf, under
201 dnl the same distribution terms as the rest of that program.
203 dnl From Bruno Haible.
205 AC_DEFUN([bh_C_SIGNED],
207 AC_CACHE_CHECK([for signed], bh_cv_c_signed,
208 [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
209 if test $bh_cv_c_signed = no; then
211 [Define to empty if the C compiler doesn't support this keyword.])
216 # longlong.m4 serial 4
217 dnl Copyright (C) 1999-2003 Free Software Foundation, Inc.
218 dnl This file is free software, distributed under the terms of the GNU
219 dnl General Public License. As a special exception to the GNU General
220 dnl Public License, this file may be distributed as part of a program
221 dnl that contains a configuration script generated by Autoconf, under
222 dnl the same distribution terms as the rest of that program.
224 dnl From Paul Eggert.
226 # Define HAVE_LONG_LONG if 'long long' works.
228 AC_DEFUN([jm_AC_TYPE_LONG_LONG],
230 AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
231 [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
232 [long long llmax = (long long) -1;
233 return ll << i | ll >> i | llmax / ll | llmax % ll;],
234 ac_cv_type_long_long=yes,
235 ac_cv_type_long_long=no)])
236 if test $ac_cv_type_long_long = yes; then
237 AC_DEFINE(HAVE_LONG_LONG, 1,
238 [Define if you have the 'long long' type.])
243 # longdouble.m4 serial 1 (gettext-0.11.6)
244 dnl Copyright (C) 2002 Free Software Foundation, Inc.
245 dnl This file is free software, distributed under the terms of the GNU
246 dnl General Public License. As a special exception to the GNU General
247 dnl Public License, this file may be distributed as part of a program
248 dnl that contains a configuration script generated by Autoconf, under
249 dnl the same distribution terms as the rest of that program.
251 dnl From Bruno Haible.
252 dnl Test whether the compiler supports the 'long double' type.
253 dnl Prerequisite: AC_PROG_CC
255 AC_DEFUN([gt_TYPE_LONGDOUBLE],
257 AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
258 [if test "$GCC" = yes; then
259 gt_cv_c_long_double=yes
262 /* The Stardent Vistra knows sizeof(long double), but does not support it. */
263 long double foo = 0.0;
264 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
265 int array [2*(sizeof(long double) >= sizeof(double)) - 1];
267 gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
269 if test $gt_cv_c_long_double = yes; then
270 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
276 # wchar_t.m4 serial 1 (gettext-0.11.6)
277 dnl Copyright (C) 2002 Free Software Foundation, Inc.
278 dnl This file is free software, distributed under the terms of the GNU
279 dnl General Public License. As a special exception to the GNU General
280 dnl Public License, this file may be distributed as part of a program
281 dnl that contains a configuration script generated by Autoconf, under
282 dnl the same distribution terms as the rest of that program.
284 dnl From Bruno Haible.
285 dnl Test whether <stddef.h> has the 'wchar_t' type.
286 dnl Prerequisite: AC_PROG_CC
288 AC_DEFUN([gt_TYPE_WCHAR_T],
290 AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
291 [AC_TRY_COMPILE([#include <stddef.h>
292 wchar_t foo = (wchar_t)'\0';], ,
293 gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
294 if test $gt_cv_c_wchar_t = yes; then
295 AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
301 dnl Copyright (C) 2003 Free Software Foundation, Inc.
302 dnl This file is free software, distributed under the terms of the GNU
303 dnl General Public License. As a special exception to the GNU General
304 dnl Public License, this file may be distributed as part of a program
305 dnl that contains a configuration script generated by Autoconf, under
306 dnl the same distribution terms as the rest of that program.
308 dnl From Bruno Haible.
309 dnl Test whether <wchar.h> has the 'wint_t' type.
310 dnl Prerequisite: AC_PROG_CC
312 AC_DEFUN([gt_TYPE_WINT_T],
314 AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
315 [AC_TRY_COMPILE([#include <wchar.h>
316 wint_t foo = (wchar_t)'\0';], ,
317 gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
318 if test $gt_cv_c_wint_t = yes; then
319 AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
324 # intmax_t.m4 serial 1
325 dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
326 dnl This file is free software, distributed under the terms of the GNU
327 dnl General Public License. As a special exception to the GNU General
328 dnl Public License, this file may be distributed as part of a program
329 dnl that contains a configuration script generated by Autoconf, under
330 dnl the same distribution terms as the rest of that program.
332 dnl From Paul Eggert.
336 # Define intmax_t to 'long' or 'long long'
337 # if it is not already defined in <stdint.h> or <inttypes.h>.
339 AC_DEFUN([jm_AC_TYPE_INTMAX_T],
341 dnl For simplicity, we assume that a header file defines 'intmax_t' if and
342 dnl only if it defines 'uintmax_t'.
343 AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
344 AC_REQUIRE([jm_AC_HEADER_STDINT_H])
345 if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
346 AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
347 test $ac_cv_type_long_long = yes \
348 && ac_type='long long' \
350 AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
351 [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
353 AC_DEFINE(HAVE_INTMAX_T, 1,
354 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
358 dnl An alternative would be to explicitly test for 'intmax_t'.
360 AC_DEFUN([gt_AC_TYPE_INTMAX_T],
362 AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
363 AC_REQUIRE([jm_AC_HEADER_STDINT_H])
364 AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
368 #if HAVE_STDINT_H_WITH_UINTMAX
371 #if HAVE_INTTYPES_H_WITH_UINTMAX
372 #include <inttypes.h>
374 ], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
375 if test $gt_cv_c_intmax_t = yes; then
376 AC_DEFINE(HAVE_INTMAX_T, 1,
377 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
379 AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
380 test $ac_cv_type_long_long = yes \
381 && ac_type='long long' \
383 AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
384 [Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
389 # stdint_h.m4 serial 3 (gettext-0.11.6)
390 dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
391 dnl This file is free software, distributed under the terms of the GNU
392 dnl General Public License. As a special exception to the GNU General
393 dnl Public License, this file may be distributed as part of a program
394 dnl that contains a configuration script generated by Autoconf, under
395 dnl the same distribution terms as the rest of that program.
397 dnl From Paul Eggert.
399 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
400 # doesn't clash with <sys/types.h>, and declares uintmax_t.
402 AC_DEFUN([jm_AC_HEADER_STDINT_H],
404 AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
406 [#include <sys/types.h>
407 #include <stdint.h>],
408 [uintmax_t i = (uintmax_t) -1;],
409 jm_ac_cv_header_stdint_h=yes,
410 jm_ac_cv_header_stdint_h=no)])
411 if test $jm_ac_cv_header_stdint_h = yes; then
412 AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
413 [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
414 and declares uintmax_t. ])
419 # inttypes_h.m4 serial 5 (gettext-0.11.6)
420 dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
421 dnl This file is free software, distributed under the terms of the GNU
422 dnl General Public License. As a special exception to the GNU General
423 dnl Public License, this file may be distributed as part of a program
424 dnl that contains a configuration script generated by Autoconf, under
425 dnl the same distribution terms as the rest of that program.
427 dnl From Paul Eggert.
429 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
430 # doesn't clash with <sys/types.h>, and declares uintmax_t.
432 AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
434 AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
436 [#include <sys/types.h>
437 #include <inttypes.h>],
438 [uintmax_t i = (uintmax_t) -1;],
439 jm_ac_cv_header_inttypes_h=yes,
440 jm_ac_cv_header_inttypes_h=no)])
441 if test $jm_ac_cv_header_inttypes_h = yes; then
442 AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
443 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
444 and declares uintmax_t. ])