]>
Commit | Line | Data |
---|---|---|
9fdf713f | 1 | Fdnl See whether we can include both string.h and strings.h. |
99e757d5 | 2 | AC_DEFUN(gcc_AC_HEADER_STRING, |
ccc7d11a KG |
3 | [AC_CACHE_CHECK([whether string.h and strings.h may both be included], |
4 | gcc_cv_header_string, | |
5 | [AC_TRY_COMPILE([#include <string.h> | |
6 | #include <strings.h>], , gcc_cv_header_string=yes, gcc_cv_header_string=no)]) | |
7 | if test $gcc_cv_header_string = yes; then | |
91029a29 | 8 | AC_DEFINE(STRING_WITH_STRINGS, 1, [Define if you can safely include both <string.h> and <strings.h>.]) |
ccc7d11a KG |
9 | fi |
10 | ]) | |
11 | ||
2f51182a | 12 | dnl See whether we need a declaration for a function. |
86cf1cbd KG |
13 | dnl The result is highly dependent on the INCLUDES passed in, so make sure |
14 | dnl to use a different cache variable name in this macro if it is invoked | |
15 | dnl in a different context somewhere else. | |
f31e826b KG |
16 | dnl gcc_AC_CHECK_DECL(SYMBOL, |
17 | dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) | |
18 | AC_DEFUN(gcc_AC_CHECK_DECL, | |
19 | [AC_MSG_CHECKING([whether $1 is declared]) | |
20 | AC_CACHE_VAL(gcc_cv_have_decl_$1, | |
21 | [AC_TRY_COMPILE([$4], | |
86cf1cbd KG |
22 | [#ifndef $1 |
23 | char *(*pfn) = (char *(*)) $1 ; | |
f31e826b KG |
24 | #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) |
25 | if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then | |
26 | AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) | |
a81fb89e | 27 | else |
f31e826b | 28 | AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) |
2f51182a DE |
29 | fi |
30 | ])dnl | |
ac64120e | 31 | |
a81fb89e | 32 | dnl Check multiple functions to see whether each needs a declaration. |
f31e826b KG |
33 | dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate. |
34 | dnl gcc_AC_CHECK_DECLS(SYMBOLS, | |
35 | dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) | |
36 | AC_DEFUN(gcc_AC_CHECK_DECLS, | |
a81fb89e KG |
37 | [for ac_func in $1 |
38 | do | |
f31e826b KG |
39 | changequote(, )dnl |
40 | ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
86cf1cbd | 41 | changequote([, ])dnl |
f31e826b KG |
42 | gcc_AC_CHECK_DECL($ac_func, |
43 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], | |
44 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], | |
45 | $4 | |
46 | ) | |
a81fb89e | 47 | done |
86cf1cbd KG |
48 | dnl Automatically generate config.h entries via autoheader. |
49 | if test x = y ; then | |
50 | patsubst(translit([$1], [a-z], [A-Z]), [\w+], | |
f31e826b KG |
51 | AC_DEFINE([HAVE_DECL_\&], 1, |
52 | [Define to 1 if we found this declaration otherwise define to 0.]))dnl | |
86cf1cbd | 53 | fi |
a81fb89e KG |
54 | ]) |
55 | ||
76b4b31e KG |
56 | dnl Check if we have vprintf and possibly _doprnt. |
57 | dnl Note autoconf checks for vprintf even though we care about vfprintf. | |
99e757d5 | 58 | AC_DEFUN(gcc_AC_FUNC_VFPRINTF_DOPRNT, |
76b4b31e KG |
59 | [AC_FUNC_VPRINTF |
60 | vfprintf= | |
61 | doprint= | |
62 | if test $ac_cv_func_vprintf != yes ; then | |
63 | vfprintf=vfprintf.o | |
64 | if test $ac_cv_func__doprnt != yes ; then | |
65 | doprint=doprint.o | |
66 | fi | |
67 | fi | |
68 | AC_SUBST(vfprintf) | |
69 | AC_SUBST(doprint) | |
70 | ]) | |
71 | ||
f1b54f9b | 72 | dnl See if the printf functions in libc support %p in format strings. |
99e757d5 | 73 | AC_DEFUN(gcc_AC_FUNC_PRINTF_PTR, |
f1b54f9b KG |
74 | [AC_CACHE_CHECK(whether the printf functions support %p, |
75 | gcc_cv_func_printf_ptr, | |
76 | [AC_TRY_RUN([#include <stdio.h> | |
77 | ||
86cf1cbd | 78 | int main() |
f1b54f9b KG |
79 | { |
80 | char buf[64]; | |
81 | char *p = buf, *q = NULL; | |
82 | sprintf(buf, "%p", p); | |
83 | sscanf(buf, "%p", &q); | |
86cf1cbd | 84 | return (p != q); |
f1b54f9b KG |
85 | }], gcc_cv_func_printf_ptr=yes, gcc_cv_func_printf_ptr=no, |
86 | gcc_cv_func_printf_ptr=no) | |
87 | rm -f core core.* *.core]) | |
88 | if test $gcc_cv_func_printf_ptr = yes ; then | |
91029a29 | 89 | AC_DEFINE(HAVE_PRINTF_PTR, 1, [Define if printf supports "%p".]) |
f1b54f9b KG |
90 | fi |
91 | ]) | |
92 | ||
ac64120e | 93 | dnl See if symbolic links work and if not, try to substitute either hard links or simple copy. |
99e757d5 | 94 | AC_DEFUN(gcc_AC_PROG_LN_S, |
ac64120e JW |
95 | [AC_MSG_CHECKING(whether ln -s works) |
96 | AC_CACHE_VAL(gcc_cv_prog_LN_S, | |
e566af04 MH |
97 | [rm -f conftestdata_t |
98 | echo >conftestdata_f | |
99 | if ln -s conftestdata_f conftestdata_t 2>/dev/null | |
ac64120e JW |
100 | then |
101 | gcc_cv_prog_LN_S="ln -s" | |
102 | else | |
e566af04 | 103 | if ln conftestdata_f conftestdata_t 2>/dev/null |
ac64120e JW |
104 | then |
105 | gcc_cv_prog_LN_S=ln | |
106 | else | |
107 | gcc_cv_prog_LN_S=cp | |
108 | fi | |
109 | fi | |
e566af04 | 110 | rm -f conftestdata_f conftestdata_t |
ac64120e JW |
111 | ])dnl |
112 | LN_S="$gcc_cv_prog_LN_S" | |
113 | if test "$gcc_cv_prog_LN_S" = "ln -s"; then | |
114 | AC_MSG_RESULT(yes) | |
115 | else | |
116 | if test "$gcc_cv_prog_LN_S" = "ln"; then | |
117 | AC_MSG_RESULT([no, using ln]) | |
118 | else | |
119 | AC_MSG_RESULT([no, and neither does ln, so using cp]) | |
120 | fi | |
121 | fi | |
122 | AC_SUBST(LN_S)dnl | |
123 | ]) | |
124 | ||
125 | dnl See if hard links work and if not, try to substitute either symbolic links or simple copy. | |
99e757d5 | 126 | AC_DEFUN(gcc_AC_PROG_LN, |
ac64120e JW |
127 | [AC_MSG_CHECKING(whether ln works) |
128 | AC_CACHE_VAL(gcc_cv_prog_LN, | |
e566af04 MH |
129 | [rm -f conftestdata_t |
130 | echo >conftestdata_f | |
131 | if ln conftestdata_f conftestdata_t 2>/dev/null | |
ac64120e JW |
132 | then |
133 | gcc_cv_prog_LN="ln" | |
134 | else | |
e566af04 | 135 | if ln -s conftestdata_f conftestdata_t 2>/dev/null |
ac64120e JW |
136 | then |
137 | gcc_cv_prog_LN="ln -s" | |
138 | else | |
139 | gcc_cv_prog_LN=cp | |
140 | fi | |
141 | fi | |
e566af04 | 142 | rm -f conftestdata_f conftestdata_t |
ac64120e JW |
143 | ])dnl |
144 | LN="$gcc_cv_prog_LN" | |
145 | if test "$gcc_cv_prog_LN" = "ln"; then | |
146 | AC_MSG_RESULT(yes) | |
147 | else | |
148 | if test "$gcc_cv_prog_LN" = "ln -s"; then | |
149 | AC_MSG_RESULT([no, using ln -s]) | |
150 | else | |
151 | AC_MSG_RESULT([no, and neither does ln -s, so using cp]) | |
152 | fi | |
153 | fi | |
154 | AC_SUBST(LN)dnl | |
155 | ]) | |
76143254 | 156 | |
e9b4fabf | 157 | dnl See whether the stage1 host compiler accepts the volatile keyword. |
99e757d5 | 158 | AC_DEFUN(gcc_AC_C_VOLATILE, |
e9b4fabf JL |
159 | [AC_CACHE_CHECK([for volatile], gcc_cv_c_volatile, |
160 | [AC_TRY_COMPILE(, [volatile int foo;], | |
161 | gcc_cv_c_volatile=yes, gcc_cv_c_volatile=no)]) | |
162 | if test $gcc_cv_c_volatile = yes ; then | |
91029a29 | 163 | AC_DEFINE(HAVE_VOLATILE, 1, [Define if your compiler understands volatile.]) |
e9b4fabf JL |
164 | fi |
165 | ]) | |
166 | ||
04cabffc KG |
167 | dnl Check whether long double is supported. This differs from the |
168 | dnl built-in autoconf test in that it works for cross compiles. | |
99e757d5 | 169 | AC_DEFUN(gcc_AC_C_LONG_DOUBLE, |
04cabffc KG |
170 | [AC_CACHE_CHECK(for long double, gcc_cv_c_long_double, |
171 | [if test "$GCC" = yes; then | |
172 | gcc_cv_c_long_double=yes | |
173 | else | |
174 | AC_TRY_COMPILE(, | |
175 | [/* The Stardent Vistra knows sizeof(long double), but does not support it. */ | |
176 | long double foo = 0.0; | |
177 | /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ | |
178 | switch (0) case 0: case (sizeof(long double) >= sizeof(double)):;], | |
179 | gcc_cv_c_long_double=yes, gcc_cv_c_long_double=no) | |
180 | fi]) | |
181 | if test $gcc_cv_c_long_double = yes; then | |
182 | AC_DEFINE(HAVE_LONG_DOUBLE) | |
183 | fi | |
184 | ]) | |
185 | ||
75923b2f MK |
186 | dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead |
187 | dnl of the usual 2. | |
99e757d5 | 188 | AC_DEFUN(gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG, |
75923b2f MK |
189 | [AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg, |
190 | [AC_TRY_COMPILE([ | |
191 | #include <sys/types.h> | |
192 | #ifdef HAVE_SYS_STAT_H | |
193 | # include <sys/stat.h> | |
194 | #endif | |
195 | #ifdef HAVE_UNISTD_H | |
196 | # include <unistd.h> | |
197 | #endif | |
198 | #ifdef HAVE_DIRECT_H | |
199 | # include <direct.h> | |
200 | #endif], [mkdir ("foo", 0);], | |
201 | gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)]) | |
202 | if test $gcc_cv_mkdir_takes_one_arg = yes ; then | |
91029a29 | 203 | AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a single argument.]) |
75923b2f MK |
204 | fi |
205 | ]) | |
206 | ||
99e757d5 | 207 | AC_DEFUN(gcc_AC_PROG_INSTALL, |
76143254 JL |
208 | [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl |
209 | # Find a good install program. We prefer a C program (faster), | |
210 | # so one script is as good as another. But avoid the broken or | |
211 | # incompatible versions: | |
212 | # SysV /etc/install, /usr/sbin/install | |
213 | # SunOS /usr/etc/install | |
214 | # IRIX /sbin/install | |
215 | # AIX /bin/install | |
216 | # AFS /usr/afsws/bin/install, which mishandles nonexistent args | |
217 | # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" | |
218 | # ./install, which can be erroneously created by make from ./install.sh. | |
219 | AC_MSG_CHECKING(for a BSD compatible install) | |
220 | if test -z "$INSTALL"; then | |
221 | AC_CACHE_VAL(ac_cv_path_install, | |
222 | [ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="${IFS}:" | |
223 | for ac_dir in $PATH; do | |
224 | # Account for people who put trailing slashes in PATH elements. | |
225 | case "$ac_dir/" in | |
226 | /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; | |
227 | *) | |
228 | # OSF1 and SCO ODT 3.0 have their own names for install. | |
229 | for ac_prog in ginstall scoinst install; do | |
230 | if test -f $ac_dir/$ac_prog; then | |
231 | if test $ac_prog = install && | |
232 | grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then | |
233 | # AIX install. It has an incompatible calling convention. | |
234 | # OSF/1 installbsd also uses dspmsg, but is usable. | |
235 | : | |
236 | else | |
237 | ac_cv_path_install="$ac_dir/$ac_prog -c" | |
238 | break 2 | |
239 | fi | |
240 | fi | |
241 | done | |
242 | ;; | |
243 | esac | |
244 | done | |
245 | IFS="$ac_save_IFS" | |
246 | ])dnl | |
247 | if test "${ac_cv_path_install+set}" = set; then | |
248 | INSTALL="$ac_cv_path_install" | |
249 | else | |
250 | # As a last resort, use the slow shell script. We don't cache a | |
251 | # path for INSTALL within a source directory, because that will | |
252 | # break other packages using the cache if that directory is | |
253 | # removed, or if the path is relative. | |
254 | INSTALL="$ac_install_sh" | |
255 | fi | |
256 | fi | |
257 | dnl We do special magic for INSTALL instead of AC_SUBST, to get | |
258 | dnl relative paths right. | |
259 | AC_MSG_RESULT($INSTALL) | |
5643c767 | 260 | AC_SUBST(INSTALL)dnl |
76143254 JL |
261 | |
262 | # Use test -z because SunOS4 sh mishandles braces in ${var-val}. | |
263 | # It thinks the first close brace ends the variable substitution. | |
264 | test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' | |
265 | AC_SUBST(INSTALL_PROGRAM)dnl | |
266 | ||
267 | test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' | |
268 | AC_SUBST(INSTALL_DATA)dnl | |
269 | ]) | |
ab87f8c8 JL |
270 | |
271 | #serial 1 | |
272 | dnl This test replaces the one in autoconf. | |
273 | dnl Currently this macro should have the same name as the autoconf macro | |
274 | dnl because gettext's gettext.m4 (distributed in the automake package) | |
275 | dnl still uses it. Otherwise, the use in gettext.m4 makes autoheader | |
276 | dnl give these diagnostics: | |
277 | dnl configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX | |
278 | dnl configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX | |
279 | ||
280 | undefine([AC_ISC_POSIX]) | |
281 | AC_DEFUN(AC_ISC_POSIX, | |
282 | [ | |
283 | dnl This test replaces the obsolescent AC_ISC_POSIX kludge. | |
284 | AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"]) | |
285 | ] | |
286 | ) | |
287 | ||
00036f5c PT |
288 | |
289 | dnl GCC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]]) | |
290 | dnl like AC_PATH_PROG but use other cache variables | |
291 | AC_DEFUN(GCC_PATH_PROG, | |
292 | [# Extract the first word of "$2", so it can be a program name with args. | |
293 | set dummy $2; ac_word=[$]2 | |
294 | AC_MSG_CHECKING([for $ac_word]) | |
295 | AC_CACHE_VAL(gcc_cv_path_$1, | |
296 | [case "[$]$1" in | |
297 | /*) | |
298 | gcc_cv_path_$1="[$]$1" # Let the user override the test with a path. | |
299 | ;; | |
300 | ?:/*) | |
301 | gcc_cv_path_$1="[$]$1" # Let the user override the test with a dos path. | |
302 | ;; | |
303 | *) | |
304 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" | |
305 | dnl $ac_dummy forces splitting on constant user-supplied paths. | |
306 | dnl POSIX.2 word splitting is done only on the output of word expansions, | |
307 | dnl not every word. This closes a longstanding sh security hole. | |
308 | ac_dummy="ifelse([$4], , $PATH, [$4])" | |
309 | for ac_dir in $ac_dummy; do | |
310 | test -z "$ac_dir" && ac_dir=. | |
311 | if test -f $ac_dir/$ac_word; then | |
312 | gcc_cv_path_$1="$ac_dir/$ac_word" | |
313 | break | |
314 | fi | |
315 | done | |
316 | IFS="$ac_save_ifs" | |
317 | dnl If no 3rd arg is given, leave the cache variable unset, | |
318 | dnl so GCC_PATH_PROGS will keep looking. | |
319 | ifelse([$3], , , [ test -z "[$]gcc_cv_path_$1" && gcc_cv_path_$1="$3" | |
320 | ])dnl | |
321 | ;; | |
322 | esac])dnl | |
323 | $1="$gcc_cv_path_$1" | |
324 | if test -n "[$]$1"; then | |
325 | AC_MSG_RESULT([$]$1) | |
326 | else | |
327 | AC_MSG_RESULT(no) | |
328 | fi | |
329 | AC_SUBST($1)dnl | |
330 | ]) | |
331 | ||
332 | ||
333 | ||
ab87f8c8 JL |
334 | # Macro to add for using GNU gettext. |
335 | # Ulrich Drepper <drepper@cygnus.com>, 1995. | |
336 | # | |
337 | # This file can be copied and used freely without restrictions. It can | |
338 | # be used in projects which are not available under the GNU Public License | |
339 | # but which still want to provide support for the GNU gettext functionality. | |
340 | # Please note that the actual code is *not* freely available. | |
341 | ||
342 | # serial 5 | |
343 | ||
344 | AC_DEFUN(AM_WITH_NLS, | |
345 | [AC_MSG_CHECKING([whether NLS is requested]) | |
346 | dnl Default is enabled NLS | |
347 | AC_ARG_ENABLE(nls, | |
348 | [ --disable-nls do not use Native Language Support], | |
349 | USE_NLS=$enableval, USE_NLS=yes) | |
350 | AC_MSG_RESULT($USE_NLS) | |
351 | AC_SUBST(USE_NLS) | |
352 | ||
353 | USE_INCLUDED_LIBINTL=no | |
354 | ||
355 | dnl If we use NLS figure out what method | |
356 | if test "$USE_NLS" = "yes"; then | |
357 | AC_DEFINE(ENABLE_NLS) | |
358 | AC_MSG_CHECKING([whether included gettext is requested]) | |
359 | AC_ARG_WITH(included-gettext, | |
360 | [ --with-included-gettext use the GNU gettext library included here], | |
361 | nls_cv_force_use_gnu_gettext=$withval, | |
bfa29b63 | 362 | nls_cv_force_use_gnu_gettext=no) |
ab87f8c8 JL |
363 | AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) |
364 | ||
365 | nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" | |
366 | if test "$nls_cv_force_use_gnu_gettext" != "yes"; then | |
367 | dnl User does not insist on using GNU NLS library. Figure out what | |
368 | dnl to use. If gettext or catgets are available (in this order) we | |
369 | dnl use this. Else we have to fall back to GNU NLS library. | |
370 | dnl catgets is only used if permitted by option --with-catgets. | |
371 | nls_cv_header_intl= | |
372 | nls_cv_header_libgt= | |
373 | CATOBJEXT=NONE | |
374 | ||
375 | AC_CHECK_HEADER(libintl.h, | |
376 | [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc, | |
377 | [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")], | |
378 | gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)]) | |
379 | ||
380 | if test "$gt_cv_func_gettext_libc" != "yes"; then | |
381 | AC_CHECK_LIB(intl, bindtextdomain, | |
382 | [AC_CACHE_CHECK([for gettext in libintl], | |
383 | gt_cv_func_gettext_libintl, | |
384 | [AC_CHECK_LIB(intl, gettext, | |
385 | gt_cv_func_gettext_libintl=yes, | |
386 | gt_cv_func_gettext_libintl=no)], | |
387 | gt_cv_func_gettext_libintl=no)]) | |
388 | fi | |
389 | ||
390 | if test "$gt_cv_func_gettext_libc" = "yes" \ | |
391 | || test "$gt_cv_func_gettext_libintl" = "yes"; then | |
392 | AC_DEFINE(HAVE_GETTEXT) | |
00036f5c | 393 | GCC_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, |
ab87f8c8 JL |
394 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl |
395 | if test "$MSGFMT" != "no"; then | |
396 | AC_CHECK_FUNCS(dcgettext) | |
00036f5c PT |
397 | GCC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) |
398 | GCC_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, | |
ab87f8c8 JL |
399 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) |
400 | AC_TRY_LINK(, [extern int _nl_msg_cat_cntr; | |
401 | return _nl_msg_cat_cntr], | |
402 | [CATOBJEXT=.gmo | |
403 | DATADIRNAME=share], | |
404 | [CATOBJEXT=.mo | |
405 | DATADIRNAME=lib]) | |
406 | INSTOBJEXT=.mo | |
9fdf713f PT |
407 | else |
408 | create_catalogs="no" | |
ab87f8c8 JL |
409 | fi |
410 | fi | |
411 | ]) | |
412 | ||
413 | if test "$CATOBJEXT" = "NONE"; then | |
414 | AC_MSG_CHECKING([whether catgets can be used]) | |
415 | AC_ARG_WITH(catgets, | |
416 | [ --with-catgets use catgets functions if available], | |
417 | nls_cv_use_catgets=$withval, nls_cv_use_catgets=no) | |
418 | AC_MSG_RESULT($nls_cv_use_catgets) | |
419 | ||
420 | if test "$nls_cv_use_catgets" = "yes"; then | |
421 | dnl No gettext in C library. Try catgets next. | |
422 | AC_CHECK_LIB(i, main) | |
423 | AC_CHECK_FUNC(catgets, | |
424 | [AC_DEFINE(HAVE_CATGETS) | |
425 | INTLOBJS="\$(CATOBJS)" | |
00036f5c | 426 | GCC_PATH_PROG(GENCAT, gencat, no)dnl |
ab87f8c8 | 427 | if test "$GENCAT" != "no"; then |
00036f5c | 428 | GCC_PATH_PROG(GMSGFMT, gmsgfmt, no) |
ab87f8c8 | 429 | if test "$GMSGFMT" = "no"; then |
00036f5c | 430 | GCC_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt, |
cab10d56 PT |
431 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt) |
432 | if test "$GMSGFMT" = "msgfmt"; then | |
17297c41 PT |
433 | create_catalogs="no" |
434 | fi | |
ab87f8c8 | 435 | fi |
00036f5c | 436 | GCC_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, |
ab87f8c8 JL |
437 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) |
438 | USE_INCLUDED_LIBINTL=yes | |
439 | CATOBJEXT=.cat | |
440 | INSTOBJEXT=.cat | |
441 | DATADIRNAME=lib | |
442 | INTLDEPS='$(top_builddir)/intl/libintl.a' | |
443 | INTLLIBS=$INTLDEPS | |
444 | LIBS=`echo $LIBS | sed -e 's/-lintl//'` | |
445 | nls_cv_header_intl=intl/libintl.h | |
446 | nls_cv_header_libgt=intl/libgettext.h | |
447 | fi]) | |
448 | fi | |
449 | fi | |
450 | ||
451 | if test "$CATOBJEXT" = "NONE"; then | |
452 | dnl Neither gettext nor catgets in included in the C library. | |
453 | dnl Fall back on GNU gettext library. | |
454 | nls_cv_use_gnu_gettext=yes | |
455 | fi | |
456 | fi | |
457 | ||
458 | if test "$nls_cv_use_gnu_gettext" = "yes"; then | |
459 | dnl Mark actions used to generate GNU NLS library. | |
460 | INTLOBJS="\$(GETTOBJS)" | |
00036f5c | 461 | GCC_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, |
cab10d56 | 462 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt) |
00036f5c | 463 | GCC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) |
17297c41 PT |
464 | dnl If we didn't find either msgfmt or gmsgfmt, don't try to |
465 | dnl create a catalog. | |
cab10d56 | 466 | if test "$MSGFMT" = "msgfmt" && test "$GMSGFMT" = "msgfmt"; then |
17297c41 | 467 | create_catalogs="no" |
17297c41 | 468 | fi |
00036f5c | 469 | GCC_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, |
ab87f8c8 JL |
470 | [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) |
471 | AC_SUBST(MSGFMT) | |
472 | USE_INCLUDED_LIBINTL=yes | |
473 | CATOBJEXT=.gmo | |
474 | INSTOBJEXT=.mo | |
475 | DATADIRNAME=share | |
476 | INTLDEPS='$(top_builddir)/intl/libintl.a' | |
477 | INTLLIBS=$INTLDEPS | |
478 | LIBS=`echo $LIBS | sed -e 's/-lintl//'` | |
479 | nls_cv_header_intl=intl/libintl.h | |
480 | nls_cv_header_libgt=intl/libgettext.h | |
481 | fi | |
482 | ||
483 | dnl Test whether we really found GNU xgettext. | |
484 | if test "$XGETTEXT" != ":"; then | |
485 | dnl If it is no GNU xgettext we define it as : so that the | |
486 | dnl Makefiles still can work. | |
487 | if $XGETTEXT --omit-header /dev/null 2> /dev/null; then | |
488 | : ; | |
489 | else | |
490 | AC_MSG_RESULT( | |
491 | [found xgettext program is not GNU xgettext; ignore it]) | |
492 | XGETTEXT=":" | |
493 | fi | |
494 | fi | |
495 | ||
17297c41 PT |
496 | |
497 | ||
ab87f8c8 JL |
498 | # We need to process the po/ directory. |
499 | POSUB=po | |
500 | else | |
501 | DATADIRNAME=share | |
502 | nls_cv_header_intl=intl/libintl.h | |
503 | nls_cv_header_libgt=intl/libgettext.h | |
504 | fi | |
505 | AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl) | |
506 | AC_OUTPUT_COMMANDS( | |
507 | [case "$CONFIG_FILES" in *po/Makefile.in*) | |
508 | sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile | |
509 | esac]) | |
510 | ||
511 | ||
512 | # If this is used in GNU gettext we have to set USE_NLS to `yes' | |
513 | # because some of the sources are only built for this goal. | |
514 | if test "$PACKAGE" = gettext; then | |
515 | USE_NLS=yes | |
516 | USE_INCLUDED_LIBINTL=yes | |
517 | fi | |
518 | ||
519 | dnl These rules are solely for the distribution goal. While doing this | |
520 | dnl we only have to keep exactly one list of the available catalogs | |
521 | dnl in configure.in. | |
522 | for lang in $ALL_LINGUAS; do | |
523 | GMOFILES="$GMOFILES $lang.gmo" | |
524 | POFILES="$POFILES $lang.po" | |
525 | done | |
526 | ||
527 | dnl Make all variables we use known to autoconf. | |
528 | AC_SUBST(USE_INCLUDED_LIBINTL) | |
529 | AC_SUBST(CATALOGS) | |
530 | AC_SUBST(CATOBJEXT) | |
531 | AC_SUBST(DATADIRNAME) | |
532 | AC_SUBST(GMOFILES) | |
533 | AC_SUBST(INSTOBJEXT) | |
534 | AC_SUBST(INTLDEPS) | |
535 | AC_SUBST(INTLLIBS) | |
536 | AC_SUBST(INTLOBJS) | |
537 | AC_SUBST(POFILES) | |
538 | AC_SUBST(POSUB) | |
539 | ]) | |
540 | ||
541 | AC_DEFUN(AM_GNU_GETTEXT, | |
542 | [AC_REQUIRE([AC_PROG_MAKE_SET])dnl | |
543 | AC_REQUIRE([AC_PROG_CC])dnl | |
544 | AC_REQUIRE([AC_PROG_RANLIB])dnl | |
545 | AC_REQUIRE([AC_ISC_POSIX])dnl | |
546 | AC_REQUIRE([AC_HEADER_STDC])dnl | |
547 | AC_REQUIRE([AC_C_CONST])dnl | |
548 | AC_REQUIRE([AC_C_INLINE])dnl | |
549 | AC_REQUIRE([AC_TYPE_OFF_T])dnl | |
550 | AC_REQUIRE([AC_TYPE_SIZE_T])dnl | |
551 | AC_REQUIRE([AC_FUNC_ALLOCA])dnl | |
ab87f8c8 JL |
552 | |
553 | AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \ | |
554 | unistd.h sys/param.h]) | |
555 | AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \ | |
556 | strdup __argz_count __argz_stringify __argz_next]) | |
557 | ||
558 | if test "${ac_cv_func_stpcpy+set}" != "set"; then | |
559 | AC_CHECK_FUNCS(stpcpy) | |
560 | fi | |
561 | if test "${ac_cv_func_stpcpy}" = "yes"; then | |
562 | AC_DEFINE(HAVE_STPCPY) | |
563 | fi | |
564 | ||
565 | AM_LC_MESSAGES | |
566 | AM_WITH_NLS | |
567 | ||
9fdf713f PT |
568 | if test "x$create_catalogs" == "xno"; then |
569 | AC_MSG_WARN([No program for building catalogs found -> building disabled]) | |
570 | fi | |
571 | ||
17297c41 | 572 | if test "x$CATOBJEXT" != "x" && test "x$create_catalogs" != "xno" ; then |
ab87f8c8 JL |
573 | if test "x$ALL_LINGUAS" = "x"; then |
574 | LINGUAS= | |
575 | else | |
576 | AC_MSG_CHECKING(for catalogs to be installed) | |
47f01856 PT |
577 | if test "x$LINGUAS" = "x"; then |
578 | LINGUAS=$ALL_LINGUAS | |
579 | else | |
580 | NEW_LINGUAS= | |
581 | for lang in $ALL_LINGUAS; do | |
582 | case " $LINGUAS " in | |
583 | *" $lang "*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;; | |
584 | esac | |
585 | done | |
586 | LINGUAS=$NEW_LINGUAS | |
587 | fi | |
ab87f8c8 JL |
588 | AC_MSG_RESULT($LINGUAS) |
589 | fi | |
590 | ||
591 | dnl Construct list of names of catalog files to be constructed. | |
592 | if test -n "$LINGUAS"; then | |
593 | for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done | |
594 | fi | |
595 | fi | |
596 | ||
597 | dnl The reference to <locale.h> in the installed <libintl.h> file | |
598 | dnl must be resolved because we cannot expect the users of this | |
599 | dnl to define HAVE_LOCALE_H. | |
600 | if test $ac_cv_header_locale_h = yes; then | |
601 | INCLUDE_LOCALE_H="#include <locale.h>" | |
602 | else | |
603 | INCLUDE_LOCALE_H="\ | |
604 | /* The system does not provide the header <locale.h>. Take care yourself. */" | |
605 | fi | |
606 | AC_SUBST(INCLUDE_LOCALE_H) | |
607 | ||
608 | dnl Determine which catalog format we have (if any is needed) | |
609 | dnl For now we know about two different formats: | |
610 | dnl Linux libc-5 and the normal X/Open format | |
611 | test -d intl || mkdir intl | |
612 | if test "$CATOBJEXT" = ".cat"; then | |
613 | AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen) | |
614 | ||
615 | dnl Transform the SED scripts while copying because some dumb SEDs | |
616 | dnl cannot handle comments. | |
617 | sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed | |
618 | fi | |
619 | dnl po2tbl.sed is always needed. | |
620 | sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \ | |
621 | $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed | |
622 | ||
623 | dnl In the intl/Makefile.in we have a special dependency which makes | |
624 | dnl only sense for gettext. We comment this out for non-gettext | |
625 | dnl packages. | |
626 | if test "$PACKAGE" = "gettext"; then | |
627 | GT_NO="#NO#" | |
628 | GT_YES= | |
629 | else | |
630 | GT_NO= | |
631 | GT_YES="#YES#" | |
632 | fi | |
633 | AC_SUBST(GT_NO) | |
634 | AC_SUBST(GT_YES) | |
635 | ||
636 | dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly | |
637 | dnl find the mkinstalldirs script in another subdir but ($top_srcdir). | |
638 | dnl Try to locate is. | |
639 | MKINSTALLDIRS= | |
640 | if test -n "$ac_aux_dir"; then | |
641 | MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" | |
642 | fi | |
643 | if test -z "$MKINSTALLDIRS"; then | |
644 | MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs" | |
645 | fi | |
646 | AC_SUBST(MKINSTALLDIRS) | |
647 | ||
648 | dnl *** For now the libtool support in intl/Makefile is not for real. | |
649 | l= | |
650 | AC_SUBST(l) | |
651 | ||
652 | dnl Generate list of files to be processed by xgettext which will | |
653 | dnl be included in po/Makefile. | |
654 | test -d po || mkdir po | |
655 | if test "x$srcdir" != "x."; then | |
656 | if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then | |
657 | posrcprefix="$srcdir/" | |
658 | else | |
659 | posrcprefix="../$srcdir/" | |
660 | fi | |
661 | else | |
662 | posrcprefix="../" | |
663 | fi | |
664 | rm -f po/POTFILES | |
665 | sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \ | |
666 | < $srcdir/po/POTFILES.in > po/POTFILES | |
667 | ]) | |
668 | ||
669 | # Check whether LC_MESSAGES is available in <locale.h>. | |
670 | # Ulrich Drepper <drepper@cygnus.com>, 1995. | |
671 | # | |
672 | # This file can be copied and used freely without restrictions. It can | |
673 | # be used in projects which are not available under the GNU Public License | |
674 | # but which still want to provide support for the GNU gettext functionality. | |
675 | # Please note that the actual code is *not* freely available. | |
676 | ||
677 | # serial 1 | |
678 | ||
679 | AC_DEFUN(AM_LC_MESSAGES, | |
680 | [if test $ac_cv_header_locale_h = yes; then | |
681 | AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, | |
682 | [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], | |
683 | am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) | |
684 | if test $am_cv_val_LC_MESSAGES = yes; then | |
685 | AC_DEFINE(HAVE_LC_MESSAGES) | |
686 | fi | |
687 | fi]) | |
688 | ||
689 | # Search path for a program which passes the given test. | |
690 | # Ulrich Drepper <drepper@cygnus.com>, 1996. | |
691 | # | |
692 | # This file can be copied and used freely without restrictions. It can | |
693 | # be used in projects which are not available under the GNU Public License | |
694 | # but which still want to provide support for the GNU gettext functionality. | |
695 | # Please note that the actual code is *not* freely available. | |
696 | ||
697 | # serial 1 | |
698 | ||
00036f5c | 699 | dnl GCC_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, |
ab87f8c8 | 700 | dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) |
00036f5c | 701 | AC_DEFUN(GCC_PATH_PROG_WITH_TEST, |
ab87f8c8 JL |
702 | [# Extract the first word of "$2", so it can be a program name with args. |
703 | set dummy $2; ac_word=[$]2 | |
704 | AC_MSG_CHECKING([for $ac_word]) | |
00036f5c | 705 | AC_CACHE_VAL(gcc_cv_path_$1, |
ab87f8c8 JL |
706 | [case "[$]$1" in |
707 | /*) | |
00036f5c | 708 | gcc_cv_path_$1="[$]$1" # Let the user override the test with a path. |
ab87f8c8 JL |
709 | ;; |
710 | *) | |
711 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" | |
712 | for ac_dir in ifelse([$5], , $PATH, [$5]); do | |
713 | test -z "$ac_dir" && ac_dir=. | |
714 | if test -f $ac_dir/$ac_word; then | |
715 | if [$3]; then | |
00036f5c | 716 | gcc_cv_path_$1="$ac_dir/$ac_word" |
ab87f8c8 JL |
717 | break |
718 | fi | |
719 | fi | |
720 | done | |
721 | IFS="$ac_save_ifs" | |
722 | dnl If no 4th arg is given, leave the cache variable unset, | |
00036f5c PT |
723 | dnl so GCC_PATH_PROGS will keep looking. |
724 | ifelse([$4], , , [ test -z "[$]gcc_cv_path_$1" && gcc_cv_path_$1="$4" | |
ab87f8c8 JL |
725 | ])dnl |
726 | ;; | |
727 | esac])dnl | |
00036f5c | 728 | $1="$gcc_cv_path_$1" |
ab87f8c8 JL |
729 | if test -n "[$]$1"; then |
730 | AC_MSG_RESULT([$]$1) | |
731 | else | |
732 | AC_MSG_RESULT(no) | |
733 | fi | |
734 | AC_SUBST($1)dnl | |
735 | ]) | |
4acab94b | 736 | |
4c1331d6 DA |
737 | # Check whether mmap can map an arbitrary page from /dev/zero or with |
738 | # MAP_ANONYMOUS, without MAP_FIXED. | |
4acab94b AO |
739 | AC_DEFUN([AC_FUNC_MMAP_ANYWHERE], |
740 | [AC_CHECK_HEADERS(unistd.h) | |
741 | AC_CHECK_FUNCS(getpagesize) | |
4c1331d6 DA |
742 | AC_CACHE_CHECK(for working mmap which provides zeroed pages anywhere, |
743 | ac_cv_func_mmap_anywhere, | |
4acab94b AO |
744 | [AC_TRY_RUN([ |
745 | /* Test by Richard Henderson and Alexandre Oliva. | |
4c1331d6 | 746 | Check whether mmap MAP_ANONYMOUS or mmap from /dev/zero works. */ |
4acab94b AO |
747 | #include <sys/types.h> |
748 | #include <fcntl.h> | |
749 | #include <sys/mman.h> | |
750 | ||
4c1331d6 DA |
751 | #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON) |
752 | # define MAP_ANONYMOUS MAP_ANON | |
753 | #endif | |
754 | ||
4acab94b AO |
755 | /* This mess was copied from the GNU getpagesize.h. */ |
756 | #ifndef HAVE_GETPAGESIZE | |
757 | # ifdef HAVE_UNISTD_H | |
758 | # include <unistd.h> | |
759 | # endif | |
760 | ||
761 | /* Assume that all systems that can run configure have sys/param.h. */ | |
762 | # ifndef HAVE_SYS_PARAM_H | |
763 | # define HAVE_SYS_PARAM_H 1 | |
764 | # endif | |
765 | ||
766 | # ifdef _SC_PAGESIZE | |
767 | # define getpagesize() sysconf(_SC_PAGESIZE) | |
768 | # else /* no _SC_PAGESIZE */ | |
769 | # ifdef HAVE_SYS_PARAM_H | |
770 | # include <sys/param.h> | |
771 | # ifdef EXEC_PAGESIZE | |
772 | # define getpagesize() EXEC_PAGESIZE | |
773 | # else /* no EXEC_PAGESIZE */ | |
774 | # ifdef NBPG | |
775 | # define getpagesize() NBPG * CLSIZE | |
776 | # ifndef CLSIZE | |
777 | # define CLSIZE 1 | |
778 | # endif /* no CLSIZE */ | |
779 | # else /* no NBPG */ | |
780 | # ifdef NBPC | |
781 | # define getpagesize() NBPC | |
782 | # else /* no NBPC */ | |
783 | # ifdef PAGESIZE | |
784 | # define getpagesize() PAGESIZE | |
785 | # endif /* PAGESIZE */ | |
786 | # endif /* no NBPC */ | |
787 | # endif /* no NBPG */ | |
788 | # endif /* no EXEC_PAGESIZE */ | |
789 | # else /* no HAVE_SYS_PARAM_H */ | |
790 | # define getpagesize() 8192 /* punt totally */ | |
791 | # endif /* no HAVE_SYS_PARAM_H */ | |
792 | # endif /* no _SC_PAGESIZE */ | |
793 | ||
794 | #endif /* no HAVE_GETPAGESIZE */ | |
795 | ||
796 | int main() | |
797 | { | |
798 | char *x; | |
799 | int fd, pg; | |
800 | ||
4c1331d6 | 801 | #ifndef MAP_ANONYMOUS |
4acab94b AO |
802 | fd = open("/dev/zero", O_RDWR); |
803 | if (fd < 0) | |
804 | exit(1); | |
4c1331d6 | 805 | #endif |
4acab94b AO |
806 | |
807 | pg = getpagesize(); | |
4c1331d6 DA |
808 | #ifdef MAP_ANONYMOUS |
809 | x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE, | |
810 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); | |
811 | #else | |
4acab94b | 812 | x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0); |
4c1331d6 | 813 | #endif |
4acab94b AO |
814 | if (x == (char *) -1) |
815 | exit(2); | |
816 | ||
817 | *(int *)x += 1; | |
818 | ||
819 | if (munmap(x, pg) < 0) | |
820 | exit(3); | |
821 | ||
822 | exit(0); | |
823 | }], ac_cv_func_mmap_anywhere=yes, ac_cv_func_mmap_anywhere=no, | |
824 | ac_cv_func_mmap_anywhere=no)]) | |
825 | if test $ac_cv_func_mmap_anywhere = yes; then | |
826 | AC_DEFINE(HAVE_MMAP_ANYWHERE, 1, | |
4c1331d6 | 827 | [Define if mmap can get us zeroed pages without MAP_FIXED.]) |
4acab94b AO |
828 | fi |
829 | ]) | |
56f02b88 ZW |
830 | |
831 | # Check whether mmap can map a plain file, without MAP_FIXED. | |
832 | AC_DEFUN([AC_FUNC_MMAP_FILE], | |
833 | [AC_REQUIRE([AC_FUNC_MMAP_ANYWHERE])dnl | |
834 | AC_CACHE_CHECK(for working mmap of a file, ac_cv_func_mmap_file, | |
835 | [# Create a file one thousand bytes long. | |
836 | for i in 1 2 3 4 5 6 7 8 9 0 | |
837 | do for j in 1 2 3 4 5 6 7 8 9 0 | |
838 | do echo $i $j xxxxx | |
839 | done | |
840 | done > conftestdata$$ | |
841 | ||
842 | AC_TRY_RUN([ | |
843 | /* Test by Zack Weinberg. Modified from MMAP_ANYWHERE test by | |
844 | Richard Henderson and Alexandre Oliva. | |
845 | Check whether read-only mmap of a plain file works. */ | |
846 | #include <sys/types.h> | |
847 | #include <sys/stat.h> | |
848 | #include <fcntl.h> | |
849 | #include <sys/mman.h> | |
850 | ||
851 | int main() | |
852 | { | |
853 | char *x; | |
854 | int fd; | |
855 | struct stat st; | |
856 | ||
857 | fd = open("conftestdata$$", O_RDONLY); | |
858 | if (fd < 0) | |
859 | exit(1); | |
860 | ||
861 | if (fstat (fd, &st)) | |
862 | exit(2); | |
863 | ||
864 | x = (char*)mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); | |
865 | if (x == (char *) -1) | |
866 | exit(3); | |
867 | ||
868 | if (x[0] != '1' || x[1] != ' ' || x[2] != '1' || x[3] != ' ') | |
869 | exit(4); | |
870 | ||
871 | if (munmap(x, st.st_size) < 0) | |
872 | exit(5); | |
873 | ||
874 | exit(0); | |
875 | }], ac_cv_func_mmap_file=yes, ac_cv_func_mmap_file=no, | |
876 | ac_cv_func_mmap_file=no)]) | |
877 | if test $ac_cv_func_mmap_file = yes; then | |
878 | AC_DEFINE(HAVE_MMAP_FILE, 1, | |
879 | [Define if read-only mmap of a plain file works.]) | |
880 | fi | |
881 | ]) | |
09fa0705 ZW |
882 | |
883 | dnl Locate a program and check that its version is acceptable. | |
884 | dnl AC_PROG_CHECK_VER(var, name, version-switch, | |
885 | dnl version-extract-regexp, version-glob) | |
886 | AC_DEFUN(gcc_AC_CHECK_PROG_VER, | |
887 | [AC_CHECK_PROG([$1], [$2], [$2]) | |
888 | if test -n "[$]$1"; then | |
889 | # Found it, now check the version. | |
890 | AC_CACHE_CHECK(for modern $2, gcc_cv_prog_$2_modern, | |
891 | [changequote(<<,>>)dnl | |
892 | ac_prog_version=`<<$>>$1 $3 2>&1 | | |
893 | sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'` | |
894 | echo "configure:__oline__: version of $2 is $ac_prog_version" >&AC_FD_CC | |
895 | case $ac_prog_version in | |
896 | '') gcc_cv_prog_$2_modern=no;; | |
897 | <<$5>>) | |
898 | gcc_cv_prog_$2_modern=yes;; | |
899 | *) gcc_cv_prog_$2_modern=no;; | |
900 | esac | |
901 | changequote([,])dnl | |
902 | ]) | |
903 | else | |
904 | gcc_cv_prog_$2_modern=no | |
905 | fi | |
906 | ]) |