|
1232
|
1 dnl aclocal.m4 -- extra macros for configuring Octave |
|
|
2 dnl |
|
2847
|
3 dnl Copyright (C) 1996, 1997 John W. Eaton |
|
1232
|
4 dnl |
|
|
5 dnl This file is part of Octave. |
|
|
6 dnl |
|
|
7 dnl Octave is free software; you can redistribute it and/or modify it |
|
|
8 dnl under the terms of the GNU General Public License as published by the |
|
|
9 dnl Free Software Foundation; either version 2, or (at your option) any |
|
|
10 dnl later version. |
|
|
11 dnl |
|
|
12 dnl Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 dnl for more details. |
|
|
16 dnl |
|
|
17 dnl You should have received a copy of the GNU General Public License |
|
|
18 dnl along with Octave; see the file COPYING. If not, write to the Free |
|
2548
|
19 dnl Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
|
|
20 dnl 02111-1307, USA. |
|
|
21 dnl |
|
2813
|
22 dnl ---------------------------------------------------------------------- |
|
|
23 dnl |
|
|
24 dnl Figure out the hardware-vendor-os info. |
|
|
25 dnl |
|
|
26 dnl OCTAVE_HOST_TYPE |
|
|
27 AC_DEFUN(OCTAVE_HOST_TYPE, |
|
|
28 [AC_CANONICAL_HOST |
|
|
29 if test -z "$host"; then |
|
|
30 host=unknown |
|
|
31 fi |
|
|
32 canonical_host_type=$host |
|
|
33 if test "$host" = unknown; then |
|
|
34 AC_MSG_WARN([configuring Octave for unknown system type |
|
|
35 ]) |
|
|
36 fi |
|
3130
|
37 AC_SUBST(canonical_host_type)]) |
|
2813
|
38 dnl |
|
|
39 dnl Set default value for a variable and substitute it. |
|
|
40 dnl |
|
|
41 dnl OCTAVE_SET_DEFAULT |
|
|
42 AC_DEFUN(OCTAVE_SET_DEFAULT, |
|
|
43 [ifelse($#, 2, [$1=$2 |
|
|
44 ])dnl |
|
|
45 AC_MSG_RESULT([defining $1 to be $$1]) |
|
|
46 AC_SUBST($1)]) |
|
|
47 dnl |
|
|
48 dnl |
|
|
49 dnl OCTAVE_CHECK_EXCLUSIVE_WITH_OPTIONS |
|
|
50 AC_DEFUN(OCTAVE_CHECK_EXCLUSIVE_WITH_OPTIONS, |
|
|
51 [if test "${with_$1+set}" = set; then |
|
|
52 if test "${with_$2+set}" = set; then |
|
|
53 if test "$with_$2" = no; then |
|
|
54 true |
|
|
55 else |
|
|
56 $3 |
|
|
57 fi |
|
|
58 fi |
|
|
59 fi]) |
|
|
60 dnl |
|
3130
|
61 dnl Check for ar. |
|
|
62 dnl |
|
|
63 AC_DEFUN(OCTAVE_PROG_AR, |
|
|
64 [if test -z "$AR"; then |
|
|
65 AR=ar |
|
|
66 fi |
|
|
67 AC_SUBST(AR) |
|
|
68 |
|
|
69 if test -z "$ARFLAGS"; then |
|
|
70 ARFLAGS="rc" |
|
|
71 fi |
|
|
72 AC_SUBST(ARFLAGS) |
|
|
73 ]) |
|
|
74 dnl |
|
|
75 dnl See if $F77 is the GNU Fortran compiler |
|
|
76 dnl |
|
|
77 AC_DEFUN(OCTAVE_PROG_G77, |
|
|
78 [AC_CACHE_CHECK([whether ${F77-f77} is the GNU Fortran compiler], |
|
|
79 octave_cv_f77_is_g77, |
|
|
80 [if $use_g77; then |
|
|
81 octave_cv_f77_is_g77=yes |
|
|
82 else |
|
|
83 f77_output=`$F77 -v 2>&1 | grep "GNU F77"` |
|
|
84 if test -n "$f77_output"; then |
|
|
85 octave_cv_f77_is_g77=yes |
|
3141
|
86 else |
|
|
87 octave_cv_f77_is_g77=no |
|
3130
|
88 fi |
|
|
89 fi]) |
|
|
90 ]) |
|
|
91 dnl |
|
1232
|
92 dnl See what libraries are used by the Fortran compiler. |
|
|
93 dnl |
|
|
94 dnl Write a minimal program and compile it with -v. I don't know what |
|
|
95 dnl to do if your compiler doesn't have -v... |
|
|
96 dnl |
|
|
97 dnl OCTAVE_FLIBS() |
|
|
98 AC_DEFUN(OCTAVE_FLIBS, |
|
2039
|
99 [AC_MSG_CHECKING([for Fortran libraries]) |
|
2854
|
100 AC_REQUIRE([OCTAVE_HOST_TYPE]) |
|
1232
|
101 AC_CACHE_VAL(octave_cv_flibs, |
|
|
102 [changequote(, )dnl |
|
|
103 echo " END" > conftest.f |
|
|
104 foutput=`${F77-f77} -v -o conftest conftest.f 2>&1` |
|
|
105 dnl |
|
|
106 dnl The easiest thing to do for xlf output is to replace all the commas |
|
|
107 dnl with spaces. Try to only do that if the output is really from xlf, |
|
|
108 dnl since doing that causes problems on other systems. |
|
|
109 dnl |
|
|
110 xlf_p=`echo $foutput | grep xlfentry` |
|
|
111 if test -n "$xlf_p"; then |
|
|
112 foutput=`echo $foutput | sed 's/,/ /g'` |
|
|
113 fi |
|
|
114 dnl |
|
|
115 ld_run_path=`echo $foutput | \ |
|
2638
|
116 sed -n -e 's/^.*LD_RUN_PATH *= *\([^ ]*\).*/\1/p'` |
|
1232
|
117 dnl |
|
3074
|
118 dnl We are only supposed to find this on Solaris systems... |
|
|
119 dnl Uh, the run path should be absolute, shouldn't it? |
|
1232
|
120 dnl |
|
3074
|
121 case "$ld_run_path" in |
|
|
122 /*) |
|
|
123 if test "$ac_cv_prog_gcc" = yes; then |
|
|
124 ld_run_path="-Xlinker -R -Xlinker $ld_run_path" |
|
|
125 else |
|
|
126 ld_run_path="-R $ld_run_path" |
|
|
127 fi |
|
|
128 ;; |
|
|
129 esac |
|
1232
|
130 dnl |
|
|
131 flibs= |
|
|
132 lflags= |
|
|
133 dnl |
|
|
134 dnl If want_arg is set, we know we want the arg to be added to the list, |
|
|
135 dnl so we don't have to examine it. |
|
|
136 dnl |
|
|
137 want_arg= |
|
|
138 dnl |
|
|
139 for arg in $foutput; do |
|
|
140 old_want_arg=$want_arg |
|
|
141 want_arg= |
|
3069
|
142 dnl |
|
|
143 dnl None of the options that take arguments expect the argument to |
|
|
144 dnl start with a -, so pretend we didn't see anything special. |
|
|
145 dnl |
|
|
146 if test -n "$old_want_arg"; then |
|
|
147 case "$arg" in |
|
|
148 -*) |
|
|
149 old_want_arg= |
|
|
150 ;; |
|
|
151 esac |
|
|
152 fi |
|
1232
|
153 case "$old_want_arg" in |
|
|
154 '') |
|
|
155 case $arg in |
|
2641
|
156 /*.a) |
|
1232
|
157 exists=false |
|
|
158 for f in $lflags; do |
|
|
159 if test x$arg = x$f; then |
|
|
160 exists=true |
|
|
161 fi |
|
|
162 done |
|
|
163 if $exists; then |
|
|
164 arg= |
|
|
165 else |
|
|
166 lflags="$lflags $arg" |
|
|
167 fi |
|
|
168 ;; |
|
2351
|
169 -bI:*) |
|
|
170 exists=false |
|
|
171 for f in $lflags; do |
|
|
172 if test x$arg = x$f; then |
|
|
173 exists=true |
|
|
174 fi |
|
|
175 done |
|
|
176 if $exists; then |
|
|
177 arg= |
|
|
178 else |
|
2600
|
179 if test "$ac_cv_prog_gcc" = yes; then |
|
|
180 lflags="$lflags -Xlinker $arg" |
|
|
181 else |
|
|
182 lflags="$lflags $arg" |
|
|
183 fi |
|
2351
|
184 fi |
|
|
185 ;; |
|
3089
|
186 -lang* | -lcrt0.o | -lc | -lgcc) |
|
1232
|
187 arg= |
|
|
188 ;; |
|
|
189 -[lLR]) |
|
|
190 want_arg=$arg |
|
|
191 arg= |
|
|
192 ;; |
|
|
193 -[lLR]*) |
|
|
194 exists=false |
|
|
195 for f in $lflags; do |
|
|
196 if test x$arg = x$f; then |
|
|
197 exists=true |
|
|
198 fi |
|
|
199 done |
|
2862
|
200 if $exists; then |
|
1232
|
201 arg= |
|
|
202 else |
|
2854
|
203 case "$arg" in |
|
|
204 -lkernel32) |
|
|
205 case "$canonical_host_type" in |
|
|
206 *-*-cygwin32) |
|
|
207 ;; |
|
|
208 *) |
|
|
209 lflags="$lflags $arg" |
|
|
210 ;; |
|
|
211 esac |
|
|
212 ;; |
|
3089
|
213 -lm) |
|
2854
|
214 ;; |
|
|
215 *) |
|
|
216 lflags="$lflags $arg" |
|
|
217 ;; |
|
|
218 esac |
|
1232
|
219 fi |
|
|
220 ;; |
|
|
221 -u) |
|
|
222 want_arg=$arg |
|
3069
|
223 arg= |
|
1232
|
224 ;; |
|
|
225 -Y) |
|
|
226 want_arg=$arg |
|
|
227 arg= |
|
|
228 ;; |
|
|
229 *) |
|
|
230 arg= |
|
|
231 ;; |
|
|
232 esac |
|
|
233 ;; |
|
|
234 -[lLR]) |
|
|
235 arg="$old_want_arg $arg" |
|
|
236 ;; |
|
3069
|
237 -u) |
|
|
238 arg="-u $arg" |
|
|
239 ;; |
|
1232
|
240 -Y) |
|
|
241 dnl |
|
|
242 dnl Should probably try to ensure unique directory options here too. |
|
|
243 dnl This probably only applies to Solaris systems, and then will only |
|
|
244 dnl work with gcc... |
|
|
245 dnl |
|
|
246 arg=`echo $arg | sed -e 's%^P,%%'` |
|
|
247 SAVE_IFS=$IFS |
|
|
248 IFS=: |
|
|
249 list= |
|
|
250 for elt in $arg; do |
|
2641
|
251 list="$list -L$elt" |
|
1232
|
252 done |
|
|
253 IFS=$SAVE_IFS |
|
|
254 arg="$list" |
|
|
255 ;; |
|
|
256 esac |
|
|
257 dnl |
|
|
258 if test -n "$arg"; then |
|
|
259 flibs="$flibs $arg" |
|
|
260 fi |
|
|
261 done |
|
1953
|
262 if test -n "$ld_run_path"; then |
|
|
263 flibs_result="$ld_run_path $flibs" |
|
|
264 else |
|
|
265 flibs_result="$flibs" |
|
|
266 fi |
|
1232
|
267 changequote([, ])dnl |
|
1953
|
268 octave_cv_flibs="$flibs_result"]) |
|
1232
|
269 FLIBS="$octave_cv_flibs" |
|
|
270 AC_MSG_RESULT([$FLIBS])]) |
|
2548
|
271 dnl |
|
3130
|
272 dnl This is apparently needed on some Linux systems. |
|
|
273 dnl |
|
|
274 AC_DEFUN(OCTAVE_F77_MAIN_FLAG, |
|
|
275 [FORTRAN_MAIN_FLAG= |
|
|
276 case "$canonical_host_type" in |
|
|
277 *-linux-*) |
|
|
278 FORTRAN_MAIN_FLAG="-u MAIN__" |
|
|
279 ;; |
|
|
280 esac |
|
|
281 if test -n "$FORTRAN_MAIN_FLAG"; then |
|
|
282 AC_MSG_RESULT([defining FORTRAN_MAIN_FLAG to be $FORTRAN_MAIN_FLAG]) |
|
|
283 fi |
|
|
284 AC_SUBST(FORTRAN_MAIN_FLAG) |
|
|
285 ]) |
|
|
286 dnl |
|
1257
|
287 dnl See if the Fortran compiler uses uppercase external names. |
|
|
288 dnl |
|
|
289 dnl OCTAVE_F77_UPPERCASE_NAMES() |
|
|
290 AC_DEFUN(OCTAVE_F77_UPPERCASE_NAMES, |
|
|
291 [AC_MSG_CHECKING([whether $F77 uses uppercase external names]) |
|
|
292 AC_CACHE_VAL(octave_cv_f77_uppercase_names, |
|
|
293 [octave_cv_f77_uppercase_names=no |
|
|
294 cat > conftest.f <<EOF |
|
|
295 subroutine xxyyzz () |
|
|
296 return |
|
|
297 end |
|
|
298 EOF |
|
|
299 if ${F77-f77} -c conftest.f 1>&AC_FD_CC 2>&AC_FD_CC; then |
|
|
300 if test "`${NM-nm} conftest.o | grep XXYYZZ`" != ""; then |
|
|
301 octave_cv_f77_uppercase_names=yes |
|
|
302 fi |
|
|
303 fi]) |
|
|
304 AC_MSG_RESULT([$octave_cv_f77_uppercase_names]) |
|
|
305 if test "$octave_cv_f77_uppercase_names" = yes; then |
|
|
306 AC_DEFINE(F77_UPPERCASE_NAMES, 1) |
|
|
307 fi]) |
|
2548
|
308 dnl |
|
1232
|
309 dnl See if the Fortran compiler appends underscores to external names. |
|
|
310 dnl |
|
|
311 dnl OCTAVE_F77_APPEND_UNDERSCORE() |
|
|
312 AC_DEFUN(OCTAVE_F77_APPEND_UNDERSCORE, |
|
|
313 [AC_MSG_CHECKING([whether $F77 appends underscores to external names]) |
|
1257
|
314 AC_REQUIRE([OCTAVE_F77_UPPERCASE_NAMES]) |
|
1232
|
315 AC_CACHE_VAL(octave_cv_f77_append_underscore, |
|
|
316 [octave_cv_f77_append_underscore=no |
|
|
317 cat > conftest.f <<EOF |
|
|
318 subroutine xxyyzz () |
|
|
319 return |
|
|
320 end |
|
|
321 EOF |
|
|
322 if ${F77-f77} -c conftest.f 1>&AC_FD_CC 2>&AC_FD_CC; then |
|
1257
|
323 if test "$octave_cv_f77_uppercase_names" = yes; then |
|
|
324 if test "`${NM-nm} conftest.o | grep XXYYZZ_`" != ""; then |
|
|
325 octave_cv_f77_append_underscore=yes |
|
|
326 fi |
|
|
327 else |
|
|
328 if test "`${NM-nm} conftest.o | grep xxyyzz_`" != ""; then |
|
|
329 octave_cv_f77_append_underscore=yes |
|
|
330 fi |
|
1232
|
331 fi |
|
|
332 fi]) |
|
|
333 AC_MSG_RESULT([$octave_cv_f77_append_underscore]) |
|
|
334 if test "$octave_cv_f77_append_underscore" = yes; then |
|
|
335 AC_DEFINE(F77_APPEND_UNDERSCORE, 1) |
|
|
336 fi]) |
|
2548
|
337 dnl |
|
1232
|
338 dnl See if the Fortran compiler is compatible with f2c. |
|
|
339 dnl |
|
|
340 dnl Write a minimal program, compile it, and see if it works as |
|
|
341 dnl expected. |
|
|
342 dnl |
|
|
343 dnl OCTAVE_F2C_F77_COMPAT() |
|
|
344 AC_DEFUN(OCTAVE_F2C_F77_COMPAT, |
|
3130
|
345 [AC_REQUIRE([OCTAVE_PROG_G77]) |
|
|
346 AC_REQUIRE([OCTAVE_FLIBS]) |
|
1232
|
347 AC_REQUIRE([OCTAVE_F77_APPEND_UNDERSCORE]) |
|
3130
|
348 if test "$cross_compiling" = yes; then |
|
|
349 octave_cv_f2c_f77_compat=yes |
|
|
350 if test "$octave_cv_f77_is_g77" = yes; then |
|
|
351 AC_MSG_RESULT([assuming ${F77-f77} cross compiler is f2c compatible]) |
|
|
352 else |
|
|
353 AC_MSG_WARN([assuming ${F77-f77} cross compiler is f2c compatible]) |
|
|
354 fi |
|
|
355 else |
|
|
356 AC_CACHE_CHECK([$F77/f2c compatibility], octave_cv_f2c_f77_compat, |
|
|
357 [trap 'rm -f ftest* ctest* core; exit 1' 1 3 15 |
|
|
358 octave_cv_f2c_f77_compat=no |
|
|
359 cat > ftest.f <<EOF |
|
1232
|
360 INTEGER FUNCTION FORSUB (C, D) |
|
|
361 CHARACTER *(*) C |
|
|
362 INTEGER L |
|
|
363 DOUBLE PRECISION D |
|
|
364 L = LEN (C) |
|
|
365 WRITE (*, '(A,1X,I2)') C(1:L), INT (D) |
|
|
366 FORSUB = 1 |
|
|
367 RETURN |
|
|
368 END |
|
|
369 EOF |
|
3130
|
370 ${F77-f77} -c ftest.f 1>&AC_FD_CC 2>&AC_FD_CC |
|
|
371 changequote(, ) |
|
|
372 cat > ctest.c <<EOF |
|
1232
|
373 #include "confdefs.h" |
|
|
374 static char s[14]; |
|
|
375 int main () |
|
|
376 { |
|
|
377 double d = 10.0; |
|
|
378 int len; |
|
|
379 strcpy (s, "FOO-I-HITHERE"); |
|
|
380 len = strlen (s); |
|
|
381 #ifdef F77_APPEND_UNDERSCORE |
|
|
382 return (! forsub_ (s, &d, len)); |
|
|
383 #else |
|
|
384 return (! forsub (s, &d, len)); |
|
|
385 #endif |
|
|
386 } |
|
2218
|
387 #if defined (sun) |
|
1232
|
388 int MAIN_ () { return 0; } |
|
2126
|
389 #elif defined (linux) && defined (__ELF__) |
|
|
390 int MAIN__ () { return 0; } |
|
1232
|
391 #endif |
|
|
392 EOF |
|
3130
|
393 changequote([, ]) |
|
|
394 if ${CC-cc} -c ctest.c 1>&AC_FD_CC 2>&AC_FD_CC; then |
|
|
395 if ${CC-cc} -o ctest ctest.o ftest.o $FLIBS -lm 1>&AC_FD_CC 2>&AC_FD_CC; then |
|
|
396 ctest_output=`./ctest 2>&1` |
|
|
397 status=$? |
|
|
398 if test $status -eq 0 && test "$ctest_output" = "FOO-I-HITHERE 10"; then |
|
|
399 octave_cv_f2c_f77_compat=yes |
|
|
400 fi |
|
1232
|
401 fi |
|
3130
|
402 fi]) |
|
|
403 fi |
|
1232
|
404 rm -f ftest* ctest* core |
|
3130
|
405 ]) |
|
2548
|
406 dnl |
|
|
407 dnl See if struct group has a gr_passwd field. |
|
|
408 dnl |
|
|
409 AC_DEFUN(OCTAVE_STRUCT_GR_PASSWD, |
|
|
410 [AC_CACHE_CHECK([for gr_passwd in struct group], octave_cv_struct_gr_passwd, |
|
|
411 [AC_TRY_COMPILE([#include <sys/types.h> |
|
|
412 #include <grp.h>], [struct group s; s.gr_passwd;], |
|
|
413 octave_cv_struct_gr_passwd=yes, octave_cv_struct_gr_passwd=no)]) |
|
|
414 if test $octave_cv_struct_gr_passwd = yes; then |
|
|
415 AC_DEFINE(HAVE_GR_PASSWD) |
|
|
416 fi |
|
|
417 ]) |
|
|
418 dnl |
|
2574
|
419 dnl See if the standard string class has npos as a member. |
|
|
420 dnl |
|
|
421 AC_DEFUN(OCTAVE_STRING_NPOS, |
|
|
422 [AC_CACHE_CHECK([whether including <string> defines NPOS], |
|
|
423 octave_cv_string_npos, |
|
|
424 [AC_LANG_SAVE |
|
|
425 AC_LANG_CPLUSPLUS |
|
|
426 AC_TRY_COMPILE([#include <string>], |
|
|
427 [size_t foo = NPOS], |
|
|
428 octave_cv_string_npos=yes, octave_cv_string_npos=no)]) |
|
|
429 if test $octave_cv_string_npos = no; then |
|
|
430 AC_DEFINE(NPOS, string::npos) |
|
|
431 fi |
|
|
432 AC_LANG_RESTORE |
|
|
433 ]) |
|
|
434 dnl |
|
1707
|
435 dnl The following test is from Karl Berry's Kpathseach library. I'm |
|
|
436 dnl including it here in case we someday want to make the use of |
|
|
437 dnl kpathsea optional. |
|
1708
|
438 dnl |
|
|
439 dnl Some BSD putenv's, e.g., FreeBSD, do malloc/free's on the environment. |
|
|
440 dnl This test program is due to Mike Hibler <mike@cs.utah.edu>. |
|
|
441 dnl We don't actually need to run this if we don't have putenv, but it |
|
|
442 dnl doesn't hurt. |
|
|
443 AC_DEFUN(OCTAVE_SMART_PUTENV, |
|
|
444 [AC_MSG_CHECKING(whether putenv uses malloc) |
|
1707
|
445 AC_CACHE_VAL(octave_cv_func_putenv_malloc, |
|
|
446 [AC_TRY_RUN([ |
|
|
447 #define VAR "YOW_VAR" |
|
|
448 #define STRING1 "GabbaGabbaHey" |
|
|
449 #define STRING2 "Yow!!" /* should be shorter than STRING1 */ |
|
|
450 extern char *getenv (); /* in case char* and int don't mix gracefully */ |
|
|
451 main () |
|
|
452 { |
|
|
453 char *str1, *rstr1, *str2, *rstr2; |
|
|
454 str1 = getenv (VAR); |
|
|
455 if (str1) |
|
|
456 exit (1); |
|
|
457 str1 = malloc (strlen (VAR) + 1 + strlen (STRING1) + 1); |
|
|
458 if (str1 == 0) |
|
|
459 exit (2); |
|
|
460 strcpy (str1, VAR); |
|
|
461 strcat (str1, "="); |
|
|
462 strcat (str1, STRING1); |
|
|
463 if (putenv (str1) < 0) |
|
|
464 exit (3); |
|
|
465 rstr1 = getenv (VAR); |
|
|
466 if (rstr1 == 0) |
|
|
467 exit (4); |
|
|
468 rstr1 -= strlen (VAR) + 1; |
|
|
469 if (strncmp (rstr1, VAR, strlen (VAR))) |
|
|
470 exit (5); |
|
|
471 str2 = malloc (strlen (VAR) + 1 + strlen (STRING2) + 1); |
|
|
472 if (str2 == 0 || str1 == str2) |
|
|
473 exit (6); |
|
|
474 strcpy (str2, VAR); |
|
|
475 strcat (str2, "="); |
|
|
476 strcat (str2, STRING2); |
|
|
477 if (putenv (str2) < 0) |
|
|
478 exit (7); |
|
|
479 rstr2 = getenv (VAR); |
|
|
480 if (rstr2 == 0) |
|
|
481 exit (8); |
|
|
482 rstr2 -= strlen (VAR) + 1; |
|
|
483 #if 0 |
|
|
484 printf ("rstr1=0x%x, rstr2=0x%x\n", rstr1, rstr2); |
|
|
485 /* |
|
|
486 * If string from first call was reused for the second call, |
|
|
487 * you had better not do a free on the first string! |
|
|
488 */ |
|
|
489 if (rstr1 == rstr2) |
|
|
490 printf ("#define SMART_PUTENV\n"); |
|
|
491 else |
|
|
492 printf ("#undef SMART_PUTENV\n"); |
|
|
493 #endif |
|
|
494 exit (rstr1 == rstr2 ? 0 : 1); |
|
|
495 }], octave_cv_func_putenv_malloc=yes, octave_cv_func_putenv_malloc=no, |
|
|
496 octave_cv_func_putenv_malloc=no)])dnl |
|
|
497 AC_MSG_RESULT($octave_cv_func_putenv_malloc) |
|
|
498 if test $octave_cv_func_putenv_malloc = yes; then |
|
|
499 AC_DEFINE(SMART_PUTENV) |
|
1708
|
500 fi]) |
|
1788
|
501 dnl |
|
2469
|
502 dnl These two checks for signal functions were originally part of the |
|
|
503 dnl aclocal.m4 file distributed with bash 2.0. |
|
|
504 dnl |
|
|
505 dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) |
|
|
506 AC_DEFUN(OCTAVE_SIGNAL_CHECK, |
|
|
507 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
|
|
508 AC_MSG_CHECKING(for type of signal functions) |
|
|
509 AC_CACHE_VAL(octave_cv_signal_vintage, |
|
|
510 [ |
|
|
511 AC_TRY_LINK([#include <signal.h>],[ |
|
|
512 sigset_t ss; |
|
|
513 struct sigaction sa; |
|
|
514 sigemptyset(&ss); sigsuspend(&ss); |
|
|
515 sigaction(SIGINT, &sa, (struct sigaction *) 0); |
|
|
516 sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); |
|
|
517 ], octave_cv_signal_vintage=posix, |
|
|
518 [ |
|
|
519 AC_TRY_LINK([#include <signal.h>], [ |
|
|
520 int mask = sigmask(SIGINT); |
|
|
521 sigsetmask(mask); sigblock(mask); sigpause(mask); |
|
|
522 ], octave_cv_signal_vintage=4.2bsd, |
|
|
523 [ |
|
|
524 AC_TRY_LINK([ |
|
|
525 #include <signal.h> |
|
|
526 RETSIGTYPE foo() { }], [ |
|
|
527 int mask = sigmask(SIGINT); |
|
|
528 sigset(SIGINT, foo); sigrelse(SIGINT); |
|
|
529 sighold(SIGINT); sigpause(SIGINT); |
|
2491
|
530 ], octave_cv_signal_vintage=svr3, octave_cv_signal_vintage=v7 |
|
2469
|
531 )] |
|
|
532 )] |
|
|
533 ) |
|
|
534 ]) |
|
|
535 AC_MSG_RESULT($octave_cv_signal_vintage) |
|
2491
|
536 if test "$octave_cv_signal_vintage" = posix; then |
|
2469
|
537 AC_DEFINE(HAVE_POSIX_SIGNALS) |
|
2491
|
538 elif test "$octave_cv_signal_vintage" = "4.2bsd"; then |
|
2469
|
539 AC_DEFINE(HAVE_BSD_SIGNALS) |
|
2491
|
540 elif test "$octave_cv_signal_vintage" = svr3; then |
|
2469
|
541 AC_DEFINE(HAVE_USG_SIGHOLD) |
|
|
542 fi |
|
|
543 ]) |
|
|
544 dnl |
|
|
545 AC_DEFUN(OCTAVE_REINSTALL_SIGHANDLERS, |
|
|
546 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
|
|
547 AC_REQUIRE([OCTAVE_SIGNAL_CHECK]) |
|
|
548 AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) |
|
|
549 AC_CACHE_VAL(octave_cv_must_reinstall_sighandlers, |
|
|
550 [AC_TRY_RUN([ |
|
|
551 #include <signal.h> |
|
|
552 #ifdef HAVE_UNISTD_H |
|
|
553 #include <unistd.h> |
|
|
554 #endif |
|
|
555 typedef RETSIGTYPE sigfunc(); |
|
|
556 int nsigint; |
|
|
557 #ifdef HAVE_POSIX_SIGNALS |
|
|
558 sigfunc * |
|
|
559 set_signal_handler(sig, handler) |
|
|
560 int sig; |
|
|
561 sigfunc *handler; |
|
|
562 { |
|
|
563 struct sigaction act, oact; |
|
|
564 act.sa_handler = handler; |
|
|
565 act.sa_flags = 0; |
|
|
566 sigemptyset (&act.sa_mask); |
|
|
567 sigemptyset (&oact.sa_mask); |
|
|
568 sigaction (sig, &act, &oact); |
|
|
569 return (oact.sa_handler); |
|
|
570 } |
|
|
571 #else |
|
|
572 #define set_signal_handler(s, h) signal(s, h) |
|
|
573 #endif |
|
|
574 RETSIGTYPE |
|
|
575 sigint(s) |
|
|
576 int s; |
|
|
577 { |
|
|
578 nsigint++; |
|
|
579 } |
|
|
580 main() |
|
|
581 { |
|
|
582 nsigint = 0; |
|
|
583 set_signal_handler(SIGINT, sigint); |
|
|
584 kill((int)getpid(), SIGINT); |
|
|
585 kill((int)getpid(), SIGINT); |
|
|
586 exit(nsigint != 2); |
|
|
587 } |
|
|
588 ], octave_cv_must_reinstall_sighandlers=no, octave_cv_must_reinstall_sighandlers=yes, |
|
3130
|
589 if test "$octave_cv_signal_vintage" = svr3; then |
|
|
590 octave_cv_must_reinstall_sighandlers=yes |
|
|
591 else |
|
|
592 octave_cv_must_reinstall_sighandlers=no |
|
|
593 fi)]) |
|
|
594 if test "$cross_compiling" = yes; then |
|
|
595 AC_MSG_RESULT([$octave_cv_must_reinstall_sighandlers assumed for cross compilation]) |
|
|
596 else |
|
|
597 AC_MSG_RESULT($octave_cv_must_reinstall_sighandlers) |
|
|
598 fi |
|
2491
|
599 if test "$octave_cv_must_reinstall_sighandlers" = yes; then |
|
3130
|
600 AC_DEFINE(MUST_REINSTALL_SIGHANDLERS) |
|
2469
|
601 fi |
|
|
602 ]) |
|
2626
|
603 dnl |
|
|
604 dnl This check originally from bash 2.0. |
|
|
605 dnl |
|
|
606 dnl Check for typedef'd symbols in header files, but allow the caller to |
|
|
607 dnl specify the include files to be checked in addition to the default. |
|
|
608 dnl |
|
|
609 dnl OCTAVE_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND]) |
|
|
610 AC_DEFUN(OCTAVE_CHECK_TYPE, |
|
|
611 [AC_REQUIRE([AC_HEADER_STDC])dnl |
|
|
612 AC_MSG_CHECKING(for $1) |
|
|
613 AC_CACHE_VAL(octave_cv_type_$1, |
|
|
614 [AC_EGREP_CPP($1, [#include <sys/types.h> |
|
|
615 #if STDC_HEADERS |
|
|
616 #include <stdlib.h> |
|
|
617 #endif |
|
|
618 $2 |
|
|
619 ], octave_cv_type_$1=yes, octave_cv_type_$1=no)]) |
|
|
620 AC_MSG_RESULT($octave_cv_type_$1) |
|
|
621 ifelse($#, 4, [if test $octave_cv_type_$1 = yes; then |
|
|
622 AC_DEFINE($4) |
|
|
623 fi]) |
|
|
624 if test $octave_cv_type_$1 = no; then |
|
|
625 AC_DEFINE($1, $3) |
|
|
626 fi |
|
|
627 ]) |
|
3107
|
628 dnl |
|
|
629 dnl Check to see if C++ compiler needs the new friend template declaration |
|
|
630 dnl syntax. |
|
|
631 dnl |
|
|
632 dnl OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL |
|
|
633 AC_DEFUN(OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL, [ |
|
|
634 AC_REQUIRE([AC_PROG_CXX]) |
|
|
635 AC_MSG_CHECKING([for C++ support for new friend template declaration]) |
|
|
636 AC_CACHE_VAL(octave_cv_cxx_new_friend_template_decl, [ |
|
|
637 AC_LANG_SAVE |
|
|
638 AC_LANG_CPLUSPLUS |
|
|
639 rm -f conftest.h |
|
|
640 cat > conftest.h <<EOB |
|
|
641 struct A { |
|
|
642 friend int operator== (const A&, const A&); |
|
|
643 A (int) { } |
|
|
644 }; |
|
|
645 |
|
|
646 template <class T> int |
|
|
647 operator== (const T&, const T&) |
|
|
648 { |
|
|
649 return 0; |
|
|
650 } |
|
|
651 EOB |
|
|
652 AC_TRY_LINK([#include "conftest.h"], [ |
|
|
653 A a (1); |
|
|
654 return a == A(1); |
|
|
655 ], |
|
|
656 octave_cv_cxx_new_friend_template_decl=no, |
|
|
657 octave_cv_cxx_new_friend_template_decl=yes |
|
|
658 ) |
|
|
659 AC_LANG_RESTORE |
|
|
660 ]) |
|
|
661 AC_MSG_RESULT($octave_cv_cxx_new_friend_template_decl) |
|
|
662 if test $octave_cv_cxx_new_friend_template_decl = yes; then |
|
|
663 AC_DEFINE(CXX_NEW_FRIEND_TEMPLATE_DECL) |
|
|
664 fi |
|
|
665 ]) |
|
3126
|
666 dnl |
|
|
667 dnl Check to see if C compiler handles FLAG command line option and |
|
|
668 dnl add it to CFLAGS if it does. |
|
|
669 dnl |
|
|
670 dnl OCTAVE_CC_FLAG |
|
|
671 AC_DEFUN(OCTAVE_CC_FLAG, [ |
|
|
672 ac_safe=`echo "$1" | sed 'y%./+-%__p_%'` |
|
|
673 AC_MSG_CHECKING(whether ${CC-cc} accepts $1) |
|
|
674 AC_CACHE_VAL(octave_cv_cc_flag_$ac_safe, [ |
|
|
675 AC_LANG_SAVE |
|
|
676 AC_LANG_C |
|
|
677 XCFLAGS="$CFLAGS" |
|
|
678 CFLAGS="$CFLAGS $1" |
|
|
679 AC_TRY_LINK([], [], |
|
|
680 eval "octave_cv_cc_flag_$ac_safe=yes", |
|
|
681 eval "octave_cv_cc_flag_$ac_safe=no") |
|
|
682 CFLAGS="$XCFLAGS" |
|
|
683 AC_LANG_RESTORE |
|
|
684 ]) |
|
|
685 if eval "test \"`echo '$octave_cv_cc_flag_'$ac_safe`\" = yes"; then |
|
|
686 AC_MSG_RESULT(yes) |
|
3131
|
687 ifelse([$2], , [ |
|
|
688 CFLAGS="$CFLAGS $1" |
|
|
689 AC_MSG_RESULT([adding $1 to CFLAGS])], [$2]) |
|
3126
|
690 else |
|
|
691 AC_MSG_RESULT(no) |
|
|
692 ifelse([$3], , , [$3]) |
|
|
693 fi |
|
|
694 ]) |
|
|
695 dnl |
|
|
696 dnl Check to see if C++ compiler handles FLAG command line option and |
|
|
697 dnl add it to CXXFLAGS if it does. |
|
|
698 dnl |
|
|
699 dnl OCTAVE_CXX_FLAG |
|
|
700 AC_DEFUN(OCTAVE_CXX_FLAG, [ |
|
|
701 ac_safe=`echo "$1" | sed 'y%./+-%__p_%'` |
|
|
702 AC_MSG_CHECKING(whether ${CXX-c++} accepts $1) |
|
|
703 AC_CACHE_VAL(octave_cv_cxx_flag_$ac_safe, [ |
|
|
704 AC_LANG_SAVE |
|
|
705 AC_LANG_CPLUSPLUS |
|
|
706 XCXXFLAGS="$CXXFLAGS" |
|
|
707 CXXFLAGS="$CXXFLAGS $1" |
|
|
708 AC_TRY_LINK([], [], |
|
|
709 eval "octave_cv_cxx_flag_$ac_safe=yes", |
|
|
710 eval "octave_cv_cxx_flag_$ac_safe=no") |
|
|
711 CXXFLAGS="$XCXXFLAGS" |
|
|
712 AC_LANG_RESTORE |
|
|
713 ]) |
|
|
714 if eval "test \"`echo '$octave_cv_cxx_flag_'$ac_safe`\" = yes"; then |
|
|
715 AC_MSG_RESULT(yes) |
|
3131
|
716 ifelse([$2], , [ |
|
|
717 CXXFLAGS="$CXXFLAGS $1" |
|
|
718 AC_MSG_RESULT([adding $1 to CXXFLAGS])], [$2]) |
|
3126
|
719 else |
|
|
720 AC_MSG_RESULT(no) |
|
|
721 ifelse([$3], , , [$3]) |
|
|
722 fi |
|
|
723 ]) |
|
3130
|
724 dnl |
|
|
725 dnl What pager should we use? |
|
|
726 dnl |
|
|
727 AC_DEFUN(OCTAVE_PROG_PAGER, |
|
|
728 [if test "$cross_compiling" = yes; then |
|
|
729 DEFAULT_PAGER=less |
|
|
730 AC_MSG_RESULT(assuming $DEFAULT_PAGER exists on $canonical_host_type host) |
|
|
731 AC_SUBST(DEFAULT_PAGER) |
|
|
732 else |
|
|
733 octave_possible_pagers="less more page pg" |
|
|
734 case "$canonical_host_type" in |
|
|
735 *-*-cygwin32) |
|
|
736 octave_possible_pagers="$octave_possible_pagers more.com" |
|
|
737 ;; |
|
|
738 esac |
|
|
739 |
|
|
740 AC_CHECK_PROGS(DEFAULT_PAGER, $octave_possible_pagers, []) |
|
|
741 if test -z "$DEFAULT_PAGER"; then |
|
|
742 warn_less="I couldn't find \`less', \`more', \`page', or \`pg'" |
|
|
743 AC_MSG_WARN($warn_less) |
|
|
744 fi |
|
|
745 fi |
|
|
746 ]) |
|
|
747 dnl |
|
|
748 dnl Does gnuplot exist? Is it a recent version? |
|
|
749 dnl |
|
|
750 AC_DEFUN(OCTAVE_PROG_GNUPLOT, |
|
|
751 [if test "$cross_compiling" = yes; then |
|
|
752 GNUPLOT_BINARY=gnuplot |
|
|
753 AC_MSG_RESULT(assuming $GNUPLOT_BINARY exists on $canonical_host_type host) |
|
|
754 AC_SUBST(DEFAULT_PAGER) |
|
|
755 AC_MSG_RESULT(assuming $GNUPLOT_BINARY supports multiplot mode) |
|
|
756 AC_DEFINE(GNUPLOT_HAS_MULTIPLOT, 1) |
|
|
757 AC_MSG_RESULT(assuming $GNUPLOT_BINARY supports multiple frams) |
|
|
758 AC_DEFINE(GNUPLOT_HAS_FRAMES, 1) |
|
|
759 else |
|
|
760 AC_CHECK_PROG(GNUPLOT_BINARY, gnuplot, gnuplot, []) |
|
|
761 if test -n "$GNUPLOT_BINARY"; then |
|
|
762 AC_MSG_CHECKING([to see if your gnuplot supports multiplot]) |
|
|
763 if test -z "`echo 'set term unknown; set multiplot' | \ |
|
|
764 $GNUPLOT_BINARY 2>&1`"; then |
|
|
765 AC_MSG_RESULT([yes]) |
|
|
766 AC_DEFINE(GNUPLOT_HAS_MULTIPLOT, 1) |
|
|
767 else |
|
|
768 AC_MSG_RESULT([no]) |
|
|
769 fi |
|
|
770 AC_MSG_CHECKING([to see if your gnuplot supports multiple plot windows]) |
|
|
771 if test -z "`echo 'set term x11 2' | $GNUPLOT_BINARY 2>&1`"; then |
|
|
772 AC_MSG_RESULT([yes]) |
|
|
773 AC_DEFINE(GNUPLOT_HAS_FRAMES, 1) |
|
|
774 else |
|
|
775 AC_MSG_RESULT([no]) |
|
|
776 fi |
|
|
777 else |
|
|
778 warn_gnuplot="yes" |
|
|
779 |
|
|
780 ## If you change this text, be sure to also copy it to the set of |
|
|
781 ## warnings at the end of the script |
|
|
782 |
|
|
783 AC_MSG_WARN([I didn't find gnuplot. It isn't necessary to have gnuplot]) |
|
|
784 AC_MSG_WARN([installed, but you won't be able to use any of Octave's]) |
|
|
785 AC_MSG_WARN([plotting commands without it.]) |
|
|
786 AC_MSG_WARN([]) |
|
|
787 AC_MSG_WARN([If gnuplot is installed but it isn't in your path, you can]) |
|
|
788 AC_MSG_WARN([tell Octave where to find it by typing the command]) |
|
|
789 AC_MSG_WARN([]) |
|
|
790 AC_MSG_WARN([gnuplot_binary = "/full/path/to/gnuplot/binary"]) |
|
|
791 AC_MSG_WARN([]) |
|
|
792 AC_MSG_WARN([at the Octave prompt.]) |
|
|
793 fi |
|
|
794 fi |
|
|
795 ]) |
|
|
796 dnl |
|
|
797 dnl Is DejaGNU installed? |
|
|
798 dnl |
|
|
799 AC_DEFUN(OCTAVE_PROG_RUNTEST, |
|
|
800 [if test "$cross_compiling" = yes; then |
|
|
801 RUNTEST=runtest |
|
|
802 AC_MSG_RESULT(assuming $RUNTEST exists on $canonical_host_type host) |
|
|
803 AC_SUBST(RUNTEST) |
|
|
804 else |
|
|
805 AC_CHECK_PROG(RUNTEST, runtest, runtest, []) |
|
|
806 if test -z "$RUNTEST"; then |
|
|
807 warn_runtest="I didn't find runtest -- install DejaGNU if you want to run \`make check'" |
|
|
808 AC_MSG_WARN($warn_runtest) |
|
|
809 fi |
|
|
810 AC_SUBST(RUNTEST) |
|
|
811 fi |
|
|
812 ]) |
