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configure tweaks
author John W. Eaton <jwe@octave.org>
date Tue, 15 Sep 2009 13:48:39 -0400
parents configure.in@16907d1153d1
children 11844593875a
comparison
equal deleted inserted replaced
9644:080e11f1b0c1 9645:4531741e5236
1 dnl configure.in
2 dnl
3 dnl Process this file with autoconf to produce a configure script.
4 dnl
5 dnl Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
6 dnl 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
7 dnl 2009 John W. Eaton
8 ###
9 ### This file is part of Octave.
10 ###
11 ### Octave is free software; you can redistribute it and/or modify it
12 ### under the terms of the GNU General Public License as published by the
13 ### Free Software Foundation; either version 3 of the License, or (at
14 ### your option) any later version.
15 ###
16 ### Octave is distributed in the hope that it will be useful, but WITHOUT
17 ### ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 ### FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 ### for more details.
20 ###
21 ### You should have received a copy of the GNU General Public License
22 ### along with Octave; see the file COPYING. If not, see
23 ### <http://www.gnu.org/licenses/>.
24
25 ### Preserve CFLAGS and CXXFLAGS from the environment before doing
26 ### anything else because we don't know which macros might call
27 ### AC_PROG_CC or AC_PROG_CXX.
28
29 EXTERN_CFLAGS="$CFLAGS"
30 EXTERN_CXXFLAGS="$CXXFLAGS"
31
32 AC_INIT
33 AC_REVISION($Revision: 1.603 $)
34 AC_PREREQ(2.60)
35 AC_CONFIG_SRCDIR([src/octave.cc])
36 AC_CONFIG_HEADER(config.h)
37
38 OCTAVE_HOST_TYPE
39
40 AC_DEFINE(OCTAVE_SOURCE, 1, [Define if this is Octave.])
41
42 dnl FIXME -- we should probably only generate this file if it is missing.
43 ### Produce unistd.h for MSVC target, this simplifies changes in
44 ### Octave source tree and avoid problems with lex-generated code.
45 case "$canonical_host_type" in
46 *-*-msdosmsvc)
47 AC_MSG_NOTICE([Generating replacement for <unistd.h> for MSVC])
48 cat << \EOF > unistd.h
49 /* File generated by configure script. */
50 #include <direct.h>
51 #include <io.h>
52 #include <process.h>
53 EOF
54 CPPFLAGS="-I. $CPPFLAGS"
55 ;;
56 esac
57
58 AC_USE_SYSTEM_EXTENSIONS
59
60 ### Path separator.
61 sepchar=:
62 AC_ARG_WITH(sepchar,
63 [AS_HELP_STRING([--with-sepchar=<char>],
64 [use <char> as the path separation character])])
65 case $with_sepchar in
66 yes | "")
67 case "$canonical_host_type" in
68 *-*-mingw* | *-*-msdosmsvc)
69 sepchar=';'
70 ;;
71 esac
72 ;;
73 no)
74 AC_MSG_ERROR([You are required to define a path separation character])
75 ;;
76 *)
77 sepchar=$with_sepchar
78 ;;
79 esac
80 AC_SUBST(sepchar)
81 AC_DEFINE_UNQUOTED(SEPCHAR, ['$sepchar'], [Define this to be the path separator for your system, as a character constant.])
82 AC_DEFINE_UNQUOTED(SEPCHAR_STR, ["$sepchar"], [Define this to the path separator, as a string.])
83
84 ### some defaults
85
86 OCTAVE_SET_DEFAULT(man1dir, '$(mandir)/man1')
87 OCTAVE_SET_DEFAULT(man1ext, '.1')
88 OCTAVE_SET_DEFAULT(doc_cache_file, '$(octetcdir)/doc-cache')
89 OCTAVE_SET_DEFAULT(infofile, '$(infodir)/octave.info')
90 OCTAVE_SET_DEFAULT(octincludedir, '$(includedir)/octave-$(version)')
91 OCTAVE_SET_DEFAULT(fcnfiledir, '$(datadir)/octave/$(version)/m')
92 OCTAVE_SET_DEFAULT(localfcnfiledir, '$(datadir)/octave/site/m')
93 OCTAVE_SET_DEFAULT(localapifcnfiledir,
94 '$(datadir)/octave/site/$(api_version)/m')
95 OCTAVE_SET_DEFAULT(localverfcnfiledir, '$(datadir)/octave/$(version)/site/m')
96 OCTAVE_SET_DEFAULT(octetcdir, '$(datadir)/octave/$(version)/etc')
97 OCTAVE_SET_DEFAULT(octlibdir, '$(libdir)/octave-$(version)')
98 OCTAVE_SET_DEFAULT(archlibdir,
99 '$(libexecdir)/octave/$(version)/exec/$(canonical_host_type)')
100 OCTAVE_SET_DEFAULT(localarchlibdir,
101 '$(libexecdir)/octave/site/exec/$(canonical_host_type)')
102 OCTAVE_SET_DEFAULT(localapiarchlibdir,
103 '$(libexecdir)/octave/$(api_version)/site/exec/$(canonical_host_type)')
104 OCTAVE_SET_DEFAULT(localverarchlibdir,
105 '$(libexecdir)/octave/$(version)/site/exec/$(canonical_host_type)')
106 OCTAVE_SET_DEFAULT(octfiledir,
107 '$(libexecdir)/octave/$(version)/oct/$(canonical_host_type)')
108 OCTAVE_SET_DEFAULT(localoctfiledir,
109 '$(libexecdir)/octave/site/oct/$(canonical_host_type)')
110 OCTAVE_SET_DEFAULT(localapioctfiledir,
111 '$(libexecdir)/octave/site/oct/$(api_version)/$(canonical_host_type)')
112 OCTAVE_SET_DEFAULT(localveroctfiledir,
113 '$(libexecdir)/octave/$(version)/site/oct/$(canonical_host_type)')
114 OCTAVE_SET_DEFAULT(imagedir, '$(datadir)/octave/$(version)/imagelib')
115
116 ### Find pkg-config executable (sets $PKG_CONFIG)
117
118 PKG_PROG_PKG_CONFIG
119
120 ### Make configure args available for other uses.
121
122 config_opts=$ac_configure_args
123 AC_SUBST(config_opts)
124
125 ### Make it possible to have Octave's array and matrix classes do bounds
126 ### checking on element references. This slows some operations down a
127 ### bit, so it is turned off by default.
128
129 BOUNDS_CHECKING=false
130 AC_ARG_ENABLE(bounds-check,
131 [AS_HELP_STRING([--enable-bounds-check],
132 [bounds checking for indexing in internal array classes (default is no)])],
133 [if test "$enableval" = yes; then BOUNDS_CHECKING=true; fi], [])
134 if $BOUNDS_CHECKING; then
135 AC_DEFINE(BOUNDS_CHECKING, 1, [Define to use internal bounds checking.])
136 fi
137
138 ### If possible, use a 64-bit integer type for array dimensions and indexing.
139
140 USE_64_BIT_IDX_T=false
141 OCTAVE_IDX_TYPE=int
142 AC_ARG_ENABLE(64,
143 [AS_HELP_STRING([--enable-64],
144 [(EXPERIMENTAL) use 64-bit integers for array dimensions and indexing])],
145 [if test "$enableval" = yes; then USE_64_BIT_IDX_T=true; fi], [])
146 if $USE_64_BIT_IDX_T; then
147 AC_CHECK_SIZEOF(void *)
148 AC_CHECK_SIZEOF(int)
149 AC_CHECK_SIZEOF(long)
150 if test $ac_cv_sizeof_void_p -eq 8; then
151 if test $ac_cv_sizeof_int -eq 8; then
152 OCTAVE_IDX_TYPE=int
153 elif test $ac_cv_sizeof_long -eq 8; then
154 OCTAVE_IDX_TYPE=long
155 AC_DEFINE(IDX_TYPE_LONG, 1, [Define to 1 if octave index type is long])
156 else
157 warn_64_bit="no suitable type found for octave_idx_type so disabling 64-bit features"
158 AC_MSG_WARN($warn_64_bit)
159 USE_64_BIT_IDX_T=false
160 fi
161 else
162 warn_64_bit="pointers are not 64-bits wide so disabling 64-bit features"
163 AC_MSG_WARN($warn_64_bit)
164 USE_64_BIT_IDX_T=false
165 fi
166 fi
167 AC_SUBST(OCTAVE_IDX_TYPE)
168 if $USE_64_BIT_IDX_T; then
169 AC_DEFINE(USE_64_BIT_IDX_T, 1, [Define if using 64-bit integers for array dimensions and indexing])
170 fi
171 AC_SUBST(USE_64_BIT_IDX_T)
172
173 ### It seems that there are some broken inline assembly functions in
174 ### the GNU libc. Since I'm not sure how to test whether we are using
175 ### GNU libc, just disable them for all platforms.
176
177 AC_MSG_NOTICE([defining __NO_MATH_INLINES avoids buggy GNU libc exp function])
178 AC_DEFINE(__NO_MATH_INLINES, 1, [Define if your version of GNU libc has buggy inline assembly code for math functions like exp.])
179
180 ### See which C++ compiler to use (we expect to find g++).
181
182 AC_PROG_CXX
183 AC_PROG_CXXCPP
184
185 ### Do special things for g++.
186
187 gxx_version=`$CXX -v 2>&1 | grep "^.*g.. version" | \
188 sed -e 's/^.*g.. version *//' -e 's/cygnus-//' -e 's/egcs-//' -e 's/ .*//'`
189
190 case "$gxx_version" in
191 1.* | 2.[[0123456789]].* | 3.[[01234]].*)
192 AC_MSG_ERROR([g++ version $gxx_version will probably fail to compile Octave]
193 )
194 ;;
195 esac
196
197 CXX_VERSION=
198 if test -n "$gxx_version"; then
199 CXX_VERSION="$gxx_version"
200 fi
201 AC_SUBST(CXX_VERSION)
202
203 OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL
204 OCTAVE_CXX_ISO_COMPLIANT_LIBRARY
205 OCTAVE_CXX_BROKEN_REINTERPRET_CAST
206
207 ### See which C compiler to use (we expect to find gcc).
208
209 AC_PROG_CC
210 AC_PROG_CPP
211 AC_PROG_GCC_TRADITIONAL
212
213 ### Do special things for gcc.
214
215 gcc_version=`$CC -v 2>&1 | grep "^.*gcc version" | \
216 sed -e 's/^.*g.. version *//' -e 's/cygnus-//' -e 's/egcs-//'`
217 case "$gcc_version" in
218 2.*)
219 if test -z "$LDFLAGS"; then
220 LDFLAGS="-g"
221 AC_MSG_NOTICE([defining LDFLAGS to be $LDFLAGS])
222 fi
223 ;;
224 1.*)
225 warn_gcc_version="gcc version $gcc_version is likely to cause problems"
226 AC_MSG_WARN($warn_gcc_version)
227 ;;
228 esac
229
230 CC_VERSION=
231 if test -n "$gcc_version"; then
232 CC_VERSION="$gcc_version"
233 fi
234 AC_SUBST(CC_VERSION)
235
236 ### The flag to create dependency varies depending on the compier.
237
238 # Assume GCC.
239 INCLUDE_DEPS=true
240 DEPEND_FLAGS="-M"
241 DEPEND_EXTRA_SED_PATTERN=""
242 if test "$GCC" = yes; then
243 true
244 else
245 case "$canonical_host_type" in
246 sparc-sun-solaris2* | i386-pc-solaris2*)
247 DEPEND_FLAGS="-xM1"
248 DEPEND_EXTRA_SED_PATTERN="-e '/\/opt\/SUNWspro/d'"
249 ;;
250 *-*-msdosmsvc)
251 ;;
252 *)
253 INCLUDE_DEPS=false
254 ;;
255 esac
256 fi
257 AC_SUBST(INCLUDE_DEPS)
258 AC_SUBST(DEPEND_FLAGS)
259 AC_SUBST(DEPEND_EXTRA_SED_PATTERN)
260
261 ACX_PTHREAD
262
263 AC_PATH_X
264 if test "$have_x"; then
265 AC_DEFINE(HAVE_X_WINDOWS, 1, [Define if you have X11])
266
267 if test "$x_includes" != "NONE"; then
268 X11_INCFLAGS="$x_includes"
269 fi
270 AC_SUBST(X11_INCFLAGS)
271
272 if test -z $x_libraries; then
273 AC_CHECK_LIB(X11, XrmInitialize, [X11_LIBS=-lX11], [X11_LIBS=])
274 elif test $x_libraries != "NONE"; then
275 AC_CHECK_LIB(X11, XrmInitialize,
276 [X11_LIBS="-L$x_libraries -lX11"], [X11_LIBS=], "-L$x_libraries")
277 fi
278 AC_SUBST(X11_LIBS)
279 fi
280
281 ### On MacOSX system the Carbon framework is used to determine ScreenSize
282 OCTAVE_HAVE_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>], [CGMainDisplayID ()],
283 [have_framework_carbon="yes"], [have_framework_carbon="no"])
284 if test $have_framework_carbon = "yes"; then
285 AC_DEFINE(HAVE_FRAMEWORK_CARBON, 1, [Define if framework CARBON is available.])
286 CARBON_LIBS="-Wl,-framework -Wl,Carbon"
287 AC_MSG_NOTICE([adding -Wl,-framework -Wl,Carbon to CARBON_LIBS])
288 AC_SUBST(CARBON_LIBS)
289 fi
290
291 ### When compiling math for x87, problems may arise in some code comparing
292 ### floating-point intermediate results.
293 ### Generally, it helps to store the result in a local volatile variable,
294 ### but it also degrades performance.
295 ### Thus, we provide a FLOAT_TRUNCATE macro that may be defined to "volatile"
296 ### when compiling for x87 target, or left empty for modern SSE math, that
297 ### doesn't suffer from this problem at all.
298 AC_ARG_ENABLE(float-truncate,
299 [AS_HELP_STRING([--enable-float-truncate],
300 [enables truncating intermediate FP results.])],
301 [if test "$enableval" = yes; then ac_float_truncate=volatile;
302 else ac_float_truncate=; fi],
303 ac_float_truncate=)
304
305 AC_DEFINE_UNQUOTED(FLOAT_TRUNCATE, $ac_float_truncate,
306 [Define to volatile if you need truncating intermediate FP results])
307
308 ### On Intel systems with gcc, we may need to compile with -mieee-fp
309 ### and -ffloat-store to get full support for IEEE floating point.
310 ###
311 ### On Alpha/OSF systems, we need -mieee.
312
313 ieee_fp_flag=
314 case "$canonical_host_type" in
315 ## Keep this pattern first, so that it is preferred over the
316 ## following pattern for x86.
317 *-*-msdosmsvc)
318 CXXFLAGS="$CXXFLAGS -EHs -MD"
319 CFLAGS="$CFLAGS -MD"
320 ;;
321 i[[3456789]]86-*-*)
322 if test "$GCC" = yes; then
323 OCTAVE_CC_FLAG(-mieee-fp, [
324 ieee_fp_flag=-mieee-fp
325 XTRA_CFLAGS="$XTRA_CFLAGS -mieee-fp"
326 AC_MSG_NOTICE([adding -mieee-fp to XTRA_CFLAGS])])
327
328 ### OCTAVE_CC_FLAG(-ffloat-store, [
329 ### float_store_flag=-ffloat-store
330 ### XTRA_CFLAGS="$XTRA_CFLAGS -ffloat-store"
331 ### AC_MSG_RESULT([adding -ffloat-store to XTRA_CFLAGS])])
332 fi
333 if test "$GXX" = yes; then
334 OCTAVE_CXX_FLAG(-mieee-fp, [
335 ieee_fp_flag=-mieee-fp
336 XTRA_CXXFLAGS="$XTRA_CXXFLAGS -mieee-fp"
337 AC_MSG_NOTICE([adding -mieee-fp to XTRA_CXXFLAGS])])
338
339 ### OCTAVE_CXX_FLAG(-ffloat-store, [
340 ### float_store_flag=-ffloat-store
341 ### XTRA_CXXFLAGS="$XTRA_CXXFLAGS -ffloat-store"
342 ### AC_MSG_RESULT([adding -ffloat-store to XTRA_CXXFLAGS])])
343 fi
344 ;;
345 alpha*-*-*)
346 if test "$GCC" = yes; then
347 OCTAVE_CC_FLAG(-mieee, [
348 ieee_fp_flag=-mieee
349 XTRA_CFLAGS="$XTRA_CFLAGS -mieee"
350 AC_MSG_NOTICE([adding -mieee to XTRA_CFLAGS])])
351 else
352 OCTAVE_CC_FLAG(-ieee, [
353 ieee_fp_flag=-ieee
354 XTRA_CFLAGS="$XTRA_CFLAGS -ieee"
355 AC_MSG_NOTICE([adding -ieee to XTRA_CFLAGS])])
356 fi
357 if test "$GXX" = yes; then
358 OCTAVE_CXX_FLAG(-mieee, [
359 ieee_fp_flag=-mieee
360 XTRA_CXXFLAGS="$XTRA_CXXFLAGS -mieee"
361 AC_MSG_NOTICE([adding -mieee to XTRA_CXXFLAGS])])
362 else
363 OCTAVE_CXX_FLAG(-ieee, [
364 ieee_fp_flag=-ieee
365 XTRA_CXXFLAGS="$XTRA_CXXFLAGS -ieee"
366 AC_MSG_NOTICE([adding -ieee to XTRA_CXXFLAGS])])
367 fi
368 ;;
369 *ibm-aix4*)
370 OCTAVE_CC_FLAG(-mminimal-toc, [
371 XTRA_CFLAGS="$XTRA_CFLAGS -mminimal-toc"])
372
373 OCTAVE_CXX_FLAG(-mminimal-toc, [
374 XTRA_CXXFLAGS="$XTRA_CXXFLAGS -mminimal-toc"])
375 ;;
376 esac
377
378 AC_SUBST(XTRA_CFLAGS)
379 AC_SUBST(XTRA_CXXFLAGS)
380
381 ### Use -static if compiling on Alpha OSF/1 1.3 systems.
382
383 case "$canonical_host_type" in
384 alpha*-dec-osf1.3)
385 LD_STATIC_FLAG=-static
386 ;;
387 esac
388 if test -n "$LD_STATIC_FLAG"; then
389 AC_MSG_NOTICE([defining LD_STATIC_FLAG to be $LD_STATIC_FLAG])
390 fi
391 AC_SUBST(LD_STATIC_FLAG)
392
393 ### Defaults for cross compiling. BUILD_CC and BUILD_CXX are
394 ### the compilers that we use for building tools on the build system.
395 ### For now, we assume that the only cross compiling we can do is
396 ### with gcc on a Unixy system, but the dedicated hacker can override these.
397
398 if test "$cross_compiling" = yes; then
399 BUILD_CC="gcc"
400 BUILD_CFLAGS="-O2 -g"
401 BUILD_CXX="g++"
402 BUILD_CXXFLAGS="-O2 -g"
403 BUILD_LDFLAGS=""
404 BUILD_EXEEXT=""
405 else
406 BUILD_CC='$(CC)'
407 BUILD_CFLAGS='$(CFLAGS)'
408 BUILD_CXX='$(CXX)'
409 BUILD_CXXFLAGS='$(CXXFLAGS)'
410 BUILD_LDFLAGS='$(LDFLAGS)'
411 case "$canonical_host_type" in
412 sparc-sun-solaris2*)
413 if test "$GCC" != yes; then
414 ## The Sun C++ compiler never seems to complete compiling
415 ## gendoc.cc unless we reduce the optimization level...
416 BUILD_CXXFLAGS="-g -O1"
417 fi
418 ;;
419 esac
420 BUILD_EXEEXT='$(EXEEXT)'
421 fi
422
423 AC_ARG_VAR(BUILD_CC, [build system C compiler (used if cross compiling)])
424 AC_ARG_VAR(BUILD_CFLAGS, [build system C compiler flags (used if cross compiling)])
425 AC_ARG_VAR(BUILD_CXX, [build system C++ compiler (used if cross compiling)])
426 AC_ARG_VAR(BUILD_CXXFLAGS, [build system C++ compiler flags (used if cross compiling)])
427 AC_ARG_VAR(BUILD_LDFLAGS, [build system C++ compiler link flags (used if cross compiling)])
428 AC_ARG_VAR(BUILD_EXEEXT, [build system executable extension (used if cross compiling)])
429
430 dnl This is bogus. We shouldn't have to explicitly add libc too!
431 dnl Keep this check before the check for the Fortran compiler,
432 dnl in case -lm is needed to compile Fortran programs.
433
434 ### Look for math library. If found, this will add -lm to LIBS.
435
436 case "$canonical_host_type" in
437 *-*-nextstep*)
438 ;;
439 *-*-linux*)
440 AC_CHECK_LIB(m, sin, , , -lc)
441 ;;
442 *)
443 AC_CHECK_LIB(m, sin)
444 ;;
445 esac
446
447 ## Default FFLAGS is -O.
448 if test "x$FFLAGS" = x; then
449 FFLAGS="-O"
450 fi
451
452 ## the F77 variable, if set, overrides AC_PROG_F77 automatically
453 AC_PROG_F77
454 AC_F77_LIBRARY_LDFLAGS
455 AC_F77_DUMMY_MAIN
456 AC_F77_WRAPPERS
457
458 F77_TOLOWER=true
459 F77_APPEND_UNDERSCORE=true
460 F77_APPEND_EXTRA_UNDERSCORE=true
461
462 case "$ac_cv_f77_mangling" in
463 "upper case") F77_TOLOWER=false ;;
464 esac
465 case "$ac_cv_f77_mangling" in
466 "no underscore") F77_APPEND_UNDERSCORE=false ;;
467 esac
468 case "$ac_cv_f77_mangling" in
469 "no extra underscore") F77_APPEND_EXTRA_UNDERSCORE=false ;;
470 esac
471
472 case "$canonical_host_type" in
473 i[[3456789]]86-*-*)
474 if test "$ac_cv_f77_compiler_gnu" = yes; then
475 OCTAVE_F77_FLAG(-mieee-fp)
476 ### OCTAVE_F77_FLAG(-ffloat-store)
477 fi
478 ;;
479 alpha*-*-*)
480 if test "$ac_cv_f77_compiler_gnu" = yes; then
481 OCTAVE_F77_FLAG(-mieee)
482 else
483 OCTAVE_F77_FLAG(-ieee)
484 OCTAVE_F77_FLAG(-fpe1)
485 fi
486 ;;
487 powerpc-apple-machten*)
488 FFLAGS=
489 ;;
490 esac
491
492 if test -n "$FFLAGS"; then
493 AC_MSG_NOTICE([defining FFLAGS to be $FFLAGS])
494 fi
495
496 AC_SUBST(F77_TOLOWER)
497 AC_SUBST(F77_APPEND_UNDERSCORE)
498 AC_SUBST(F77_APPEND_EXTRA_UNDERSCORE)
499
500 if test -z "$F77"; then
501 AC_MSG_ERROR([in order to build octave, you must have a compatible Fortran compiler or wrapper script for f2c that functions as a Fortran compiler installed and in your path. See the file INSTALL for more information.])
502 fi
503
504 OCTAVE_CHECK_FORTRAN_INTEGER_SIZE
505 if test "x$octave_cv_fortran_integer_size" = xno; then
506 if $USE_64_BIT_IDX_T; then
507 case "$F77" in
508 gfortran)
509 case "$FFLAGS" in
510 *-fdefault-integer-8*)
511 ;;
512 *)
513 AC_MSG_NOTICE([adding -fdefault-integer-8 to FFLAGS])
514 FFLAGS="-fdefault-integer-8 $FFLAGS"
515 ## Invalidate the cache and try again.
516 $as_unset octave_cv_fortran_integer_size
517 ;;
518 esac
519 ;;
520 esac
521 if test -z "$octave_cv_fortran_integer_size"; then
522 OCTAVE_CHECK_FORTRAN_INTEGER_SIZE
523 fi
524 if test "x$octave_cv_fortran_integer_size" = xno; then
525 AC_MSG_ERROR([in order to build octave with 64-bit indexing support your Fortran compiler must have a default integer size of 8 bytes. See the file INSTALL for more information.])
526 fi
527 else
528 AC_MSG_ERROR([your Fortran compiler must have default integers that are the same size as octave_idx_type ($OCTAVE_IDX_TYPE). See the file INSTALL for more information.])
529 fi
530 fi
531
532 FC=$F77
533 AC_SUBST(FC)
534
535 OCTAVE_F77_FLAG(-ffloat-store, [
536 AC_MSG_RESULT([setting F77_FLOAT_STORE_FLAG to -ffloat-store])
537 F77_FLOAT_STORE_FLAG=-ffloat-store
538 AC_SUBST(F77_FLOAT_STORE_FLAG)
539 ])
540
541 OCTAVE_IEEE754_DATA_FORMAT
542
543 ### Check for the QHull library
544
545 OCTAVE_CHECK_LIBRARY(qhull, QHull,
546 [Qhull library not found -- this will result in loss of functionality of some geometry functions.],
547 [qhull/qhull_a.h], [qh_qhull], [], [],
548 [warn_qhull=
549 OCTAVE_CHECK_QHULL_VERSION
550 OCTAVE_CHECK_QHULL_OK([TEXINFO_QHULL="@set HAVE_QHULL"
551 AC_DEFINE(HAVE_QHULL, 1, [Define if QHull is available.])], [
552 warn_qhull="Qhull library found, but seems not to work properly -- this will result in loss of functionality of some geometry functions. Please try recompiling the library with -fno-strict-aliasing."])])
553
554 ### Check for pcre/regex library.
555
556 ## check for pcre-config, and if so, set CPPFLAGS appropriately
557 AC_CHECK_PROG(WITH_PCRE_CONFIG, pcre-config, yes, no)
558 if test $WITH_PCRE_CONFIG = yes ; then
559 CPPFLAGS="$CPPFLAGS $(pcre-config --cflags)"
560 fi
561
562 ## NB: no need to do separate check for pcre.h header -- checking macros is good enough
563 AC_CACHE_CHECK([whether pcre.h defines the macros we need], [ac_cv_pcre_h_macros_present], [
564 AC_EGREP_CPP([PCRE_HAS_MACROS_WE_NEED], [
565 #include <pcre.h>
566 #if defined (PCRE_INFO_NAMECOUNT) \
567 && defined (PCRE_INFO_NAMEENTRYSIZE) \
568 && defined (PCRE_INFO_NAMETABLE)
569 PCRE_HAS_MACROS_WE_NEED
570 #endif], ac_cv_pcre_h_macros_present=yes, ac_cv_pcre_h_macros_present=no)])
571 WITH_PCRE="$ac_cv_pcre_h_macros_present"
572
573 REGEX_LIBS=
574
575 using_pcre=no
576 using_regex=no
577
578 if test "$WITH_PCRE" = yes; then
579 if test "$WITH_PCRE_CONFIG" = yes; then
580 REGEX_LIBS=$(pcre-config --libs)
581 else
582 REGEX_LIBS=-lpcre
583 fi
584 save_LIBS="$LIBS"
585 LIBS="$REGEX_LIBS $LIBS"
586 AC_CHECK_FUNCS(pcre_compile, [using_pcre=yes
587 AC_DEFINE(HAVE_PCRE, 1, [Define if PCRE library is available.])], [
588 REGEX_LIBS=
589 warn_pcre="PCRE library not found. This will result in some loss of functionality for the regular expression matching functions."
590 AC_MSG_WARN($warn_pcre)])
591 LIBS="$save_LIBS"
592 else
593 warn_pcre="PCRE library not found. This will result in some loss of functionality for the regular expression matching functions."
594 AC_MSG_WARN($warn_pcre)
595 fi
596
597 AC_CHECK_FUNCS(regexec, [using_regex=yes], [
598 AC_CHECK_LIB(regex, regexec, [using_regex=yes
599 REGEX_LIBS="-lregex $REGEX_LIBS"], [
600 warn_regex="regular expression functions not found. The regular expression matching functions will be disabled."
601 AC_MSG_WARN($warn_regex)])])
602
603 if test "$using_regex" = yes; then
604 AC_DEFINE(HAVE_REGEX, 1, [Define if regex library is available.])
605 fi
606
607 AC_SUBST(REGEX_LIBS)
608
609 ### Check for ZLIB library.
610
611 OCTAVE_CHECK_LIBRARY(z, ZLIB,
612 [ZLIB library not found. Octave will not be able to save or load compressed data files or HDF5 files.],
613 [zlib.h], [gzclearerr])
614
615 ### Check for HDF5 library.
616
617 save_CPPFLAGS="$CPPFLAGS"
618 CPPFLAGS="$Z_CPPFLAGS $CPPFLAGS"
619 save_LIBS="$LIBS"
620 LIBS="$Z_LDFLAGS $Z_LIBS $LIBS"
621 OCTAVE_CHECK_LIBRARY(hdf5, HDF5,
622 [HDF5 library not found. Octave will not be able to save or load HDF5 data files.],
623 [hdf5.h], [H5Gget_num_objs], [], [],
624 [warn_hdf5=
625 OCTAVE_HDF5_HAS_REQUIRED_API
626 if test $octave_hdf5_ok = yes; then
627 TEXINFO_HDF5="@set HAVE_HDF5"
628 AC_DEFINE(HAVE_HDF5, 1, [Define if HDF5 is available.])
629 AC_DEFINE(HAVE_H5GGET_NUM_OBJS, 1, [Define if HDF5 has H5Gget_num_objs.])
630 case "$canonical_host_type" in
631 *-*-msdosmsvc)
632 OCTAVE_HDF5_DLL
633 ;;
634 esac
635 fi])
636 CPPFLAGS="$save_CPPFLAGS"
637 LIBS="$save_LIBS"
638
639
640 # Subdirectory of libcruft to build if fftw is not found:
641
642 FFT_DIR="fftpack"
643 AC_SUBST(FFT_DIR)
644
645 # Checks for FFTW header and library.
646
647 OCTAVE_CHECK_LIBRARY(fftw3, FFTW3,
648 [FFTW3 library not found. The slower FFTPACK library will be used instead.],
649 [fftw3.h], [fftw_plan_dft_1d])
650
651 OCTAVE_CHECK_LIBRARY(fftw3f, FFTW3F,
652 [FFTW3F library not found. The slower FFTPACK library will be used instead.],
653 [fftw3.h], [fftwf_plan_dft_1d])
654
655 if test -n "$FFTW3_LIBS" && test -n "$FFTW3F_LIBS"; then
656 FFT_DIR=
657 fi
658
659 # Checks for GLPK header and library.
660
661 save_CPPFLAGS="$CPPFLAGS"
662 CPPFLAGS="$Z_CPPFLAGS $CPPFLAGS"
663 save_LIBS="$LIBS"
664 LIBS="$Z_LDFLAGS $Z_LIBS $LIBS"
665 OCTAVE_CHECK_LIBRARY(glpk, GLPK,
666 [GLPK library not found. The glpk function for solving linear programs will be disabled.],
667 [glpk/glpk.h glpk.h], [_glp_lpx_simplex])
668 LIBS="$save_LIBS"
669 CPPFLAGS="$save_CPPFLAGS"
670
671 # Checks for CURL header and library.
672
673 save_CPPFLAGS="$CPPFLAGS"
674 CPPFLAGS="$Z_CPPFLAGS $CPPFLAGS"
675 save_LIBS="$LIBS"
676 LIBS="$Z_LDFLAGS $Z_LIBS $LIBS"
677 OCTAVE_CHECK_LIBRARY(curl, cURL,
678 [cURL library not found. The urlread and urlwrite functions will be disabled.],
679 [curl/curl.h], [curl_easy_escape])
680 LIBS="$save_LIBS"
681 CPPFLAGS="$save_CPPFLAGS"
682
683 ### GraphicsMagick++
684
685 warn_magick="GraphicsMagick++ library not found. The imread function for reading image files will not be fully functional."
686
687 MAGICK_CPPFLAGS=
688 MAGICK_LDFLAGS=
689 MAGICK_LIBS=
690
691 PKG_CHECK_EXISTS([GraphicsMagick++], [
692 ## Make sure we only get -I, -L and -l flags. Some GraphicsMagick++
693 ## packages adds extra flags that are useful when building
694 ## GraphicsMagick++ extentions. These extra flags break the Octave build.
695 MAGICK_LDFLAGS=`$PKG_CONFIG --libs-only-L GraphicsMagick++`
696 MAGICK_LIBS=`$PKG_CONFIG --libs-only-l GraphicsMagick++`
697 MAGICK_CPPFLAGS=`$PKG_CONFIG --cflags-only-I GraphicsMagick++`
698
699 warn_magick="GraphicsMagick++ library fails tests. The imread function for reading image files will not be fully functional."
700
701 save_CPPFLAGS="$CPPFLAGS"
702 save_LIBS="$LIBS"
703 CPPFLAGS="$MAGICK_CPPFLAGS $CPPFLAGS"
704 LIBS="$MAGICK_LDFLAGS $MAGICK_LIBS $LIBS"
705 AC_LANG_PUSH(C++)
706 AC_CHECK_HEADER([Magick++.h], [
707 AC_MSG_CHECKING([for Magick::ColorRGB in Magick++.h])
708 AC_TRY_LINK([#include <Magick++.h>], [Magick::ColorRGB c;], [
709 AC_MSG_RESULT(yes)
710 warn_magick=
711 ], [
712 AC_MSG_RESULT(no)
713 ])
714 ])
715 AC_LANG_POP(C++)
716 CPPFLAGS="$save_CPPFLAGS"
717 LIBS="$save_LIBS"
718 ])
719
720 if test -z "$warn_magick"; then
721 AC_DEFINE(HAVE_MAGICK, 1, [Define if GraphicsMagick++ is available.])
722 else
723 MAGICK_CPPFLAGS=
724 MAGICK_LDFLAGS=
725 MAGICK_LIBS=
726 fi
727 AC_SUBST(MAGICK_CPPFLAGS)
728 AC_SUBST(MAGICK_LDFLAGS)
729 AC_SUBST(MAGICK_LIBS)
730
731 # ---------------------------------------------------------------------
732
733 ## libraries needed for graphics
734
735 warn_freetype=""
736 warn_ftgl=""
737
738 OCTAVE_OPENGL
739 if test -n "$OPENGL_LIBS"; then
740 AC_DEFINE(HAVE_OPENGL, 1, [Define if OpenGL is available])
741
742 ## ftgl (needs freetype 2)
743 AC_CHECK_FT2([9.0.3],[AC_DEFINE(HAVE_FREETYPE, 1, [Define to 1 if you have Freetype library.])],
744 [warn_freetype="FreeType library not found. Native renderer will not have on-screen text"])
745 if test -z "$warn_freetype"; then
746 AC_LANG_PUSH(C++)
747 save_LIBS="$LIBS"
748 save_CXXFLAGS="$CXXFLAGS"
749 save_CPPFLAGS="$CPPFLAGS"
750 LIBS="$LIBS $FT2_LIBS $OPENGL_LIBS"
751 CXXFLAGS="$CXXFLAGS $FT2_CFLAGS"
752 CPPFLAGS="$CPPFLAGS $FT2_CFLAGS"
753 has_ftgl_h=yes
754 AC_CHECK_HEADERS([FTGL/ftgl.h ftgl.h], break, [
755 AC_CHECK_HEADERS([FTGL/FTGL.h FTGL.h], [
756 AC_DEFINE(HAVE_FTGL_UPPERCASE, 1, [Define to 1 if you have FTGL.h or FTGL/FTGL.h])
757 break
758 ], has_ftgl_h=no)])
759 if test "$has_ftgl_h" = yes; then
760 AC_MSG_CHECKING([for FTGLTextureFont in -lftgl])
761 LIBS="$save_LIBS -lftgl $FT2_LIBS $OPENGL_LIBS"
762 AC_TRY_LINK([
763 #ifdef HAVE_FTGL_FTGL_H
764 #ifdef HAVE_FTGL_UPPERCASE
765 #include <FTGL/FTGL.h>
766 #else
767 #include <FTGL/ftgl.h>
768 #endif
769 #include <FTGL/FTGLTextureFont.h>
770 #elif HAVE_FTGL_H
771 #ifdef HAVE_FTGL_UPPERCASE
772 #include <FTGL.h>
773 #else
774 #include <ftgl.h>
775 #endif
776 #include <FTGLTextureFont.h>
777 #endif], [
778 FTGLTextureFont font("");], [
779 OPENGL_LIBS="-lftgl $FT2_LIBS $OPENGL_LIBS"
780 LIBS="$save_LIBS"
781 CPPFLAGS="$save_CPPFLAGS"
782 AC_DEFINE(HAVE_FTGL, 1, [Define to 1 if FTGL is present])
783 AC_MSG_RESULT(yes)
784 XTRA_CXXFLAGS="$XTRA_CXXFLAGS $FT2_CFLAGS"], [
785 AC_MSG_RESULT(no)
786 warn_ftgl="FTGL library not found. Native renderer will not have on-screen text"
787 ])
788 LIBS="$save_LIBS"
789 CXXFLAGS="$save_CXXFLAGS"
790 CPPFLAGS="$save_CPPFLAGS"
791 else
792 warn_ftgl="FTGL headers not found. Native renderer will not have on-screen text"
793 fi
794 AC_LANG_POP(C++)
795 fi
796 fi
797
798 # fontconfig library
799
800 warn_fontconfig=""
801 if test -z "$warn_freetype"; then
802 PKG_CHECK_MODULES(FONTCONFIG,[fontconfig],[
803 have_fontconfig=yes
804 OPENGL_LIBS="$FONTCONFIG_LIBS $OPENGL_LIBS"
805 XTRA_CXXFLAGS="$XTRA_CXXFLAGS $FONTCONFIG_CFLAGS"
806 AC_DEFINE(HAVE_FONTCONFIG, 1, [Define to 1 if fontconfig is present])],[
807 have_fontconfig=no
808 warn_fontconfig="Fontconfig not found. Native text rendering will use hard-coded font instead."])
809 fi
810
811 GRAPHICS_LIBS=
812 GRAPHICS_CFLAGS=
813
814 ## fltk (www.fltk.org)
815 AC_ARG_WITH(fltk-prefix,
816 [ --with-fltk-prefix=PFX Prefix where FLTK is installed (optional)],
817 fltk_prefix="$withval",
818 fltk_prefix="")
819 AC_ARG_WITH(fltk-exec-prefix,
820 [ --with-fltk-exec-prefix=PFX Exec prefix where FLTK is installed (optional)],
821 fltk_exec_prefix="$withval",
822 fltk_exec_prefix="")
823
824 if test -n "$fltk_exec_prefix"; then
825 fltk_args="$fltk_args --exec-prefix=$fltk_exec_prefix"
826 if test "x${FLTK_CONFIG+set}" != xset ; then
827 FLTK_CONFIG="$fltk_exec_prefix/bin/fltk-config"
828 fi
829 fi
830
831 if test -n "$fltk_prefix"; then
832 fltk_args="$fltk_args --prefix=$fltk_prefix"
833 if test x${FLTK_CONFIG+set} != xset ; then
834 FLTK_CONFIG="$fltk_prefix/bin/fltk-config"
835 fi
836 fi
837
838 AC_PATH_PROG(FLTK_CONFIG, fltk-config, no)
839
840 warn_fltk_config=""
841 warn_fltk_opengl=""
842
843 if test "$FLTK_CONFIG" = "no" ; then
844 warn_fltk_config="FLTK config script not found. Native graphics will be disabled."
845 else
846 FLTK_CFLAGS="`$FLTK_CONFIG $fltkconf_args --use-gl --cflags`"
847 FLTK_LDFLAGS="`$FLTK_CONFIG $fltkconf_args --use-gl --ldflags`"
848
849 AC_MSG_CHECKING(for OpenGL support in FLTK)
850 cat > conftest.cc <<EOF
851 #include <FL/gl.h>
852 int nothing=0;
853 EOF
854 $CXX $CXXFLAGS $FLTK_CFLAGS -c conftest.cc || \
855 warn_fltk_opengl="FLTK does not have OpenGL support. Native graphics will be disabled."
856
857 if test -z "$warn_fltk_opengl"; then
858 AC_MSG_RESULT(yes)
859 AC_DEFINE(HAVE_FLTK, 1, [Define if FLTK is available])
860 GRAPHICS_CFLAGS="$FLTK_CFLAGS"
861 GRAPHICS_LIBS="$FLTK_LDFLAGS"
862 else
863 AC_MSG_RESULT(no)
864 fi
865 fi
866
867 AC_SUBST(GRAPHICS_CFLAGS)
868 AC_SUBST(GRAPHICS_LIBS)
869
870 # ----------------------------------------------------------------------
871
872 OCTAVE_PROG_AR
873
874 AC_PROG_RANLIB
875
876 XTRA_CRUFT_SH_LDFLAGS=
877 case "$canonical_host_type" in
878 *-*-msdosmsvc)
879 FLIBS="$FLIBS -lkernel32"
880 XTRA_CRUFT_SH_LDFLAGS="-Wl,-def:cruft.def"
881 ;;
882 esac
883 AC_SUBST(XTRA_CRUFT_SH_LDFLAGS)
884
885 ### Checks for BLAS and LAPACK libraries:
886 # (Build subdirectories of libcruft if they aren't found on the system.)
887 ACX_BLAS_WITH_F77_FUNC([], [BLAS_DIR="blas"])
888 ACX_LAPACK([BLAS_LIBS="$LAPACK_LIBS $BLAS_LIBS"], [LAPACK_DIR="lapack"])
889 AC_SUBST(BLAS_DIR)
890 AC_SUBST(LAPACK_DIR)
891
892 if test "x$acx_blas_f77_func_ok" = "xno"; then
893 warn_blas_f77_incompatible="A BLAS library was detected but found incompatible with your Fortran 77 compiler. The reference BLAS implementation will be used. To improve performance, consider using a different Fortran compiler or a switch like -ff2c to make your Fortran compiler use a calling convention compatible with the way your BLAS library was compiled, or use a different BLAS library."
894 AC_MSG_WARN($warn_blas_f77_incompatible)
895 fi
896
897 # Check for the qrupdate library
898
899 save_LIBS="$LIBS"
900 LIBS="$BLAS_LIBS $FLIBS $LIBS"
901 OCTAVE_CHECK_LIBRARY(qrupdate, qrupdate,
902 [qrupdate not found. The QR & Cholesky updating functions will be slow.],
903 [],
904 [F77_FUNC(sqr1up,SQR1UP)],
905 [], [don't use qrupdate, disable QR & Cholesky updating functions])
906 LIBS="$save_LIBS"
907
908 # Check for AMD library
909
910 OCTAVE_CHECK_LIBRARY(amd, AMD,
911 [AMD library not found. This will result in some lack of functionality for sparse matrices.],
912 [suitesparse/amd.h ufsparse/amd.h amd/amd.h amd.h],
913 [amd_postorder],
914 [], [don't use AMD library, disable some sparse functionality])
915
916 # Check for CAMD library
917
918 OCTAVE_CHECK_LIBRARY(camd, CAMD,
919 [CAMD library not found. This will result in some lack of functionality for sparse matrices.],
920 [suitesparse/camd.h ufsparse/camd.h amd/camd.h camd.h],
921 [camd_postorder],
922 [], [don't use CAMD library, disable some sparse functionality])
923
924 # Check for COLAMD library
925
926 OCTAVE_CHECK_LIBRARY(colamd, COLAMD,
927 [COLAMD library not found. This will result in some lack of functionality for sparse matrices.],
928 [suitesparse/colamd.h ufsparse/colamd.h amd/colamd.h colamd.h],
929 [colamd],
930 [], [don't use COLAMD library, disable some sparse functionality])
931
932 # Check for CCOLAMD library
933
934 OCTAVE_CHECK_LIBRARY(ccolamd, CCOLAMD,
935 [CCOLAMD library not found. This will result in some lack of functionality for sparse matrices.],
936 [suitesparse/ccolamd.h ufsparse/ccolamd.h amd/ccolamd.h ccolamd.h],
937 [ccolamd],
938 [], [don't use CCOLAMD library, disable some sparse functionality])
939
940 # Check for CHOLMOD library. If your cholmod library requires cblas,
941 # then you will need to configure with --with-cholmod="-lcholmod -lcblas".
942
943 save_LIBS="$LIBS"
944 LIBS="$BLAS_LIBS $FLIBS $LIBS"
945 OCTAVE_CHECK_LIBRARY(cholmod, CHOLMOD,
946 [CHOLMOD library not found. This will result in some lack of functionality for sparse matrices.],
947 [suitesparse/cholmod.h ufsparse/cholmod.h cholmod/cholmod.h cholmod.h],
948 [cholmod_start],
949 [], [don't use CHOLMOD library, disable some sparse functionality])
950 LIBS="$save_LIBS"
951
952 # Check for CXSparse library
953
954 OCTAVE_CHECK_LIBRARY(cxsparse, CXSparse,
955 [CXSparse library not found. This will result in some lack of functionality for sparse matrices.],
956 [suitesparse/cs.h ufsparse/cs.h amd/cs.h cs.h],
957 [cs_di_sqr],
958 [C++], [don't use CXSparse library, disable some sparse functionality])
959
960 # Check for UMFPACK library.
961
962 save_LIBS="$LIBS"
963 LIBS="$AMD_LDFLAGS $AMD_LIBS $BLAS_LIBS $FLIBS $LIBS"
964 OCTAVE_CHECK_LIBRARY(umfpack, UMFPACK,
965 [UMFPACK not found. This will result in some lack of functionality for sparse matrices.],
966 [suitesparse/umfpack.h ufsparse/umfpack.h umfpack/umfpack.h umfpack.h],
967 [umfpack_zi_get_determinant],
968 [], [don't use UMFPACK, disable some sparse functionality])
969 LIBS="$save_LIBS"
970
971 if test -z "$UMFPACK_LIBS"; then
972 ## Invalidate the cache and try again with -lcblas.
973 $as_unset ac_cv_lib_umfpack_umfpack_zi_get_determinant
974 save_LIBS="$LIBS"
975 LIBS="-lcblas $AMD_LDFLAGS $AMD_LIBS $BLAS_LIBS $FLIBS $LIBS"
976 OCTAVE_CHECK_LIBRARY(umfpack, UMFPACK,
977 [UMFPACK not found. This will result in some lack of functionality for sparse matrices.],
978 [suitesparse/umfpack.h ufsparse/umfpack.h umfpack/umfpack.h umfpack.h],
979 [umfpack_zi_get_determinant],
980 [], [don't use UMFPACK, disable some sparse functionality])
981 if test -n "$UMFPACK_LIBS"; then
982 UMFPACK_LIBS="$UMFPACK_LIBS -lcblas"
983 fi
984 LIBS="$save_LIBS"
985 fi
986
987 if test -n "$UMFPACK_LIBS"; then
988 save_LIBS="$LIBS";
989 LIBS="$UMFPACK_LIBS $AMD_LIBS $BLAS_LIBS $FLIBS $LIBS"
990 OCTAVE_UMFPACK_SEPERATE_SPLIT
991 LIBS="$save_LIBS"
992 fi
993
994 save_LIBS="$LIBS"
995 LIBS="$LAPACK_LIBS $BLAS_LIBS $FLIBS $LIBS"
996 OCTAVE_CHECK_LIBRARY(arpack, ARPACK,
997 [arpack not found. The eigs function will be disabled.],
998 [],
999 [F77_FUNC(dseupd,DSEUPD)],
1000 [], [don't use the ARPACK library, disable eigs function])
1001 LIBS="$save_LIBS"
1002
1003 ### Handle shared library options.
1004
1005 ### Enable creation of static libraries.
1006
1007 AC_ARG_ENABLE(static,
1008 [AS_HELP_STRING([--enable-static], [create static libraries])],
1009 [if test "$enableval" = no; then STATIC_LIBS=false;
1010 else STATIC_LIBS=true; fi],
1011 STATIC_LIBS=false)
1012 AC_SUBST(STATIC_LIBS)
1013
1014 ### Enable creation of shared libraries. Currently only works with
1015 ### gcc on some systems.
1016
1017 AC_ARG_ENABLE(shared,
1018 [AS_HELP_STRING([--enable-shared],
1019 [create shared libraries (not all systems)])],
1020 [if test "$enableval" = no; then SHARED_LIBS=false;
1021 else SHARED_LIBS=true; fi],
1022 SHARED_LIBS=true)
1023 AC_SUBST(SHARED_LIBS)
1024
1025 ### Enable dynamic linking. --enable-shared implies this, so
1026 ### --enable-dl is only need if you are only building static libraries
1027 ### and want to try dynamic linking too (works on some systems, for
1028 ### example, OS X and Windows).
1029
1030 AC_ARG_ENABLE(dl,
1031 [AS_HELP_STRING([--enable-dl],
1032 [create shared libraries (not all systems)])],
1033 [if test "$enableval" = no; then ENABLE_DYNAMIC_LINKING=false;
1034 else ENABLE_DYNAMIC_LINKING=true; fi],
1035 ENABLE_DYNAMIC_LINKING=true)
1036
1037 if $STATIC_LIBS || $SHARED_LIBS; then
1038 true
1039 else
1040 AC_MSG_ERROR([You can't disable building static AND shared libraries!])
1041 fi
1042
1043 AC_ARG_ENABLE(rpath,
1044 [AS_HELP_STRING([--enable-rpath],
1045 [override the default link options for rpath; e.g., --enable-rpath='-rpath $(octlibdir)'])],
1046 [ if test "$enableval" = no; then use_rpath=false;
1047 else
1048 use_rpath=true
1049 if test "$enableval" = yes; then true;
1050 else enable_rpath_arg="$enableval"; fi
1051 fi], [use_rpath=true])
1052
1053 CPICFLAG=-fPIC
1054 CXXPICFLAG=-fPIC
1055 FPICFLAG=-fPIC
1056 SHLEXT=so
1057 SHLLIB='$(SHLEXT)'
1058 SHLBIN=
1059 SHLEXT_VER='$(SHLEXT).$(version)'
1060 SHLLIB_VER='$(SHLLIB).$(version)'
1061 SHLBIN_VER='$(SHLBIN).$(version)'
1062 SHLLINKEXT=
1063 LIBPRE=lib
1064 SHLPRE=lib
1065 SHLLIBPRE=lib
1066 SHLBINPRE=lib
1067 SH_LD='$(CXX)'
1068 SH_LDFLAGS=-shared
1069 DL_LD='$(SH_LD)'
1070 DL_LDFLAGS='$(SH_LDFLAGS)'
1071 MKOCTFILE_DL_LDFLAGS='$(DL_LDFLAGS)'
1072 SONAME_FLAGS=
1073 RLD_FLAG=
1074 NO_OCT_FILE_STRIP=false
1075 TEMPLATE_AR='$(AR)'
1076 TEMPLATE_ARFLAGS="$ARFLAGS"
1077 CRUFT_DLL_DEFS=
1078 OCTAVE_DLL_DEFS=
1079 OCTINTERP_DLL_DEFS=
1080 OCTGRAPHICS_DLL_DEFS=
1081 library_path_var=LD_LIBRARY_PATH
1082 ldpreloadsep=" "
1083 SCRIPTS_EXE_SUFFIX=
1084 case "$canonical_host_type" in
1085 *-*-386bsd* | *-*-netbsd*)
1086 SH_LD=ld
1087 SH_LDFLAGS=-Bshareable
1088 ;;
1089 *-*-openbsd*)
1090 SH_LDFLAGS='-shared -fPIC'
1091 ;;
1092 *-*-freebsd*)
1093 SH_LDFLAGS="-shared -Wl,-x"
1094 RLD_FLAG='-Wl,-rpath -Wl,$(octlibdir)'
1095 ;;
1096 alpha*-dec-osf*)
1097 CPICFLAG=
1098 CXXPICFLAG=
1099 FPICFLAG=
1100 SH_LDFLAGS="-shared -Wl,-expect_unresolved -Wl,'*'"
1101 RLD_FLAG='-Wl,-rpath -Wl,$(octlibdir)'
1102 ;;
1103 *-*-darwin*)
1104 DL_LDFLAGS='-bundle -bundle_loader $(TOPDIR)/src/octave $(LDFLAGS)'
1105 MKOCTFILE_DL_LDFLAGS='-bundle -bundle_loader $$BINDIR/octave-$$OCTAVE_VERSION$$EXEEXT'
1106 SH_LDFLAGS='-dynamiclib -single_module $(LDFLAGS)'
1107 case "$canonical_host_type" in
1108 powerpc-*)
1109 CXXPICFLAG=
1110 CPICFLAG=
1111 FPICFLAG=
1112 ;;
1113 esac
1114 SHLEXT=dylib
1115 SHLLIB='$(SHLEXT)'
1116 SHLEXT_VER='$(version).$(SHLEXT)'
1117 SHLLIB_VER='$(version).$(SHLLIB)'
1118 NO_OCT_FILE_STRIP=true
1119 SONAME_FLAGS='-install_name $(octlibdir)/$@'
1120 library_path_var=DYLD_LIBRARY_PATH
1121 ;;
1122 *-*-cygwin*)
1123 CPICFLAG=
1124 CXXPICFLAG=
1125 FPICFLAG=
1126 LIBPRE=lib
1127 SHLPRE=cyg
1128 SHLBINPRE=cyg
1129 SHLEXT=dll
1130 SHLLIB=dll.a
1131 SHLBIN=dll
1132 DL_LDFLAGS="-shared -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--enable-runtime-pseudo-reloc"
1133 SH_LDFLAGS="-shared -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--enable-auto-image-base"
1134 SONAME_FLAGS='-Wl,--out-implib=$(patsubst $(SHLPRE)%,$(LIBPRE)%,$@).a'
1135 ldpreloadsep=":"
1136 ;;
1137 *-*-mingw*)
1138 CPICFLAG=
1139 CXXPICFLAG=
1140 FPICFLAG=
1141 SHLEXT=dll
1142 SHLLIB=dll.a
1143 SHLBIN=dll
1144 DL_LDFLAGS="-shared -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--enable-runtime-pseudo-reloc"
1145 SH_LDFLAGS="-shared -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--enable-auto-image-base"
1146 SONAME_FLAGS='-Wl,--out-implib=$@.a'
1147 library_path_var=PATH
1148 SCRIPTS_EXE_SUFFIX='$(EXEEXT)'
1149 ;;
1150
1151 *-*-msdosmsvc)
1152 DL_LDFLAGS="-shared"
1153 CPICFLAG=
1154 CXXPICFLAG=
1155 FPICFLAG=
1156 SHLEXT=dll
1157 SHLLIB=lib
1158 SHLBIN=dll
1159 LIBPRE=
1160 SHLPRE=
1161 SHLLIBPRE=
1162 SHLBINPRE=
1163 SH_LDFLAGS="-shared"
1164 if test -n "`echo $CFLAGS | grep -e '-g'`" -o -n "`echo $CXXFLAGS | grep -e '-g'`"; then
1165 DL_LDFLAGS="$DL_LDFLAGS -g"
1166 SH_LDFLAGS="$SH_LDFLAGS -g"
1167 fi
1168 NO_OCT_FILE_STRIP=true
1169 library_path_var=PATH
1170 NO_OCT_FILE_STRIP=true
1171 ## Extra compilation flags.
1172 CRUFT_DLL_DEFS="-DCRUFT_DLL"
1173 OCTAVE_DLL_DEFS="-DOCTAVE_DLL"
1174 OCTINTERP_DLL_DEFS="-DOCTINTERP_DLL"
1175 OCTGRAPHICS_DLL_DEFS="-DOCTGRAPHICS_DLL"
1176 SCRIPTS_EXE_SUFFIX='$(EXEEXT)'
1177 ;;
1178 *-*-linux* | *-*-gnu*)
1179 MKOCTFILE_DL_LDFLAGS="-shared -Wl,-Bsymbolic"
1180 SONAME_FLAGS='-Wl,-soname -Wl,$@'
1181 RLD_FLAG='-Wl,-rpath -Wl,$(octlibdir)'
1182 ;;
1183 i[[3456]]86-*-sco3.2v5*)
1184 SONAME_FLAGS='-Wl,-h -Wl,$@'
1185 RLD_FLAG=
1186 SH_LDFLAGS=-G
1187 ;;
1188 rs6000-ibm-aix* | powerpc-ibm-aix*)
1189 CPICFLAG=
1190 CXXPICFLAG=
1191 FPICFLAG=
1192 library_path_var=LIBPATH
1193 ;;
1194 hppa*-hp-hpux*)
1195 if test "$ac_cv_f77_compiler_gnu" = yes; then
1196 FPICFLAG=-fPIC
1197 else
1198 FPICFLAG=+Z
1199 fi
1200 SHLEXT=sl
1201 SH_LDFLAGS="-shared -fPIC"
1202 RLD_FLAG='-Wl,+b -Wl,$(octlibdir)'
1203 library_path_var=SHLIB_PATH
1204 ;;
1205 ia64*-hp-hpux*)
1206 if test "$ac_cv_f77_compiler_gnu" = yes; then
1207 FPICFLAG=-fPIC
1208 else
1209 FPICFLAG=+Z
1210 fi
1211 SH_LDFLAGS="-shared -fPIC"
1212 RLD_FLAG='-Wl,+b -Wl,$(octlibdir)'
1213 ;;
1214 *-sgi-*)
1215 CPICFLAG=
1216 CXXPICFLAG=
1217 FPICFLAG=
1218 RLD_FLAG='-rpath $(octlibdir)'
1219 ;;
1220 sparc-sun-sunos4*)
1221 if test "$ac_cv_f77_compiler_gnu" = yes; then
1222 FPICFLAG=-fPIC
1223 else
1224 FPICFLAG=-PIC
1225 fi
1226 SH_LD=ld
1227 SH_LDFLAGS="-assert nodefinitions"
1228 RLD_FLAG='-L$(octlibdir)'
1229 ;;
1230 sparc-sun-solaris2* | i386-pc-solaris2*)
1231 if test "$ac_cv_f77_compiler_gnu" = yes; then
1232 FPICFLAG=-fPIC
1233 else
1234 FPICFLAG=-KPIC
1235 fi
1236 if test "$GCC" = yes; then
1237 CPICFLAG=-fPIC
1238 else
1239 CPICFLAG=-KPIC
1240 fi
1241 if test "$GXX" = yes; then
1242 CXXPICFLAG=-fPIC
1243 SH_LDFLAGS=-shared
1244 else
1245 CXXPICFLAG=-KPIC
1246 SH_LDFLAGS=-G
1247 fi
1248 RLD_FLAG='-R $(octlibdir)'
1249 ## Template closures in archive libraries need a different mechanism.
1250 if test "$GXX" = yes; then
1251 true
1252 else
1253 TEMPLATE_AR='$(CXX)'
1254 TEMPLATE_ARFLAGS="-xar -o"
1255 fi
1256 ;;
1257 esac
1258
1259 if $use_rpath; then
1260 if test -n "$enable_rpath_arg"; then
1261 RLD_FLAG="$enable_rpath_arg"
1262 fi
1263 else
1264 RLD_FLAG=""
1265 fi
1266
1267 AC_MSG_NOTICE([defining FPICFLAG to be $FPICFLAG])
1268 AC_MSG_NOTICE([defining CPICFLAG to be $CPICFLAG])
1269 AC_MSG_NOTICE([defining CXXPICFLAG to be $CXXPICFLAG])
1270 AC_MSG_NOTICE([defining SHLEXT to be $SHLEXT])
1271 AC_MSG_NOTICE([defining SHLLIB to be $SHLLIB])
1272 AC_MSG_NOTICE([defining SHLBIN to be $SHLBIN])
1273 AC_MSG_NOTICE([defining SHLEXT_VER to be $SHLEXT_VER])
1274 AC_MSG_NOTICE([defining SHLLIB_VER to be $SHLLIB_VER])
1275 AC_MSG_NOTICE([defining SHLBIN_VER to be $SHLBIN_VER])
1276 AC_MSG_NOTICE([defining SHLLINKEXT to be $SHLLINKEXT])
1277 AC_MSG_NOTICE([defining LIBPRE to be $LIBPRE])
1278 AC_MSG_NOTICE([defining SHLPRE to be $SHLPRE])
1279 AC_MSG_NOTICE([defining SHLLIBPRE to be $SHLLIBPRE])
1280 AC_MSG_NOTICE([defining SHLBINPRE to be $SHLBINPRE])
1281 AC_MSG_NOTICE([defining SH_LD to be $SH_LD])
1282 AC_MSG_NOTICE([defining SH_LDFLAGS to be $SH_LDFLAGS])
1283 AC_MSG_NOTICE([defining DL_LD to be $DL_LD])
1284 AC_MSG_NOTICE([defining DL_LDFLAGS to be $DL_LDFLAGS])
1285 AC_MSG_NOTICE([defining MKOCTFILE_DL_LDFLAGS to be $MKOCTFILE_DL_LDFLAGS])
1286 AC_MSG_NOTICE([defining SONAME_FLAGS to be $SONAME_FLAGS])
1287 AC_MSG_NOTICE([defining NO_OCT_FILE_STRIP to be $NO_OCT_FILE_STRIP])
1288 AC_MSG_NOTICE([defining RLD_FLAG to be $RLD_FLAG])
1289 AC_MSG_NOTICE([defining TEMPLATE_AR to be $TEMPLATE_AR])
1290 AC_MSG_NOTICE([defining TEMPLATE_ARFLAGS to be $TEMPLATE_ARFLAGS])
1291 AC_MSG_NOTICE([defining CRUFT_DLL_DEFS to be $CRUFT_DLL_DEFS])
1292 AC_MSG_NOTICE([defining OCTAVE_DLL_DEFS to be $OCTAVE_DLL_DEFS])
1293 AC_MSG_NOTICE([defining OCTINTERP_DLL_DEFS to be $OCTINTERP_DLL_DEFS])
1294 AC_MSG_NOTICE([defining OCTGRAPHICS_DLL_DEFS to be $OCTGRAPHICS_DLL_DEFS])
1295 AC_MSG_NOTICE([defining library_path_var to be $library_path_var])
1296 AC_SUBST(FPICFLAG)
1297 AC_SUBST(CPICFLAG)
1298 AC_SUBST(CXXPICFLAG)
1299 AC_SUBST(SHLEXT)
1300 AC_SUBST(SHLLIB)
1301 AC_SUBST(SHLBIN)
1302 AC_SUBST(SHLEXT_VER)
1303 AC_SUBST(SHLLIB_VER)
1304 AC_SUBST(SHLBIN_VER)
1305 AC_SUBST(SHLLINKEXT)
1306 AC_SUBST(LIBPRE)
1307 AC_SUBST(SHLPRE)
1308 AC_SUBST(SHLLIBPRE)
1309 AC_SUBST(SHLBINPRE)
1310 AC_SUBST(SH_LD)
1311 AC_SUBST(SH_LDFLAGS)
1312 AC_SUBST(DL_LD)
1313 AC_SUBST(DL_LDFLAGS)
1314 AC_SUBST(MKOCTFILE_DL_LDFLAGS)
1315 AC_SUBST(SONAME_FLAGS)
1316 AC_SUBST(NO_OCT_FILE_STRIP)
1317 AC_SUBST(RLD_FLAG)
1318 AC_SUBST(TEMPLATE_AR)
1319 AC_SUBST(TEMPLATE_ARFLAGS)
1320 AC_SUBST(CRUFT_DLL_DEFS)
1321 AC_SUBST(OCTAVE_DLL_DEFS)
1322 AC_SUBST(OCTINTERP_DLL_DEFS)
1323 AC_SUBST(OCTGRAPHICS_DLL_DEFS)
1324 AC_SUBST(library_path_var)
1325 AC_SUBST(ldpreloadsep)
1326 AC_SUBST(SCRIPTS_EXE_SUFFIX)
1327
1328 ### special checks for odd OS specific things.
1329 ###
1330 ### I am told that on some SCO systems, the only place to find some
1331 ### functions like gethostname and gettimeofday is in libsocket.
1332
1333 AC_CHECK_FUNCS(gethostname, [], [AC_CHECK_LIB(socket, gethostname)])
1334 AC_CHECK_FUNCS(getpwnam, [], [AC_CHECK_LIB(sun, getpwnam)])
1335
1336 case "$canonical_host_type" in
1337 *-*-cygwin*)
1338 AC_CHECK_LIB(wsock32, gethostname)
1339 LIBS="$LIBS -lwsock32"
1340 ;;
1341 *-*-msdosmsvc* | *-*-mingw*)
1342 LIBS="$LIBS -lgdi32 -lws2_32 -luser32 -lkernel32"
1343 ;;
1344 esac
1345
1346 ### Type stuff.
1347
1348 AC_TYPE_MODE_T
1349 AC_TYPE_OFF_T
1350 AC_TYPE_PID_T
1351 AC_TYPE_SIZE_T
1352 AC_TYPE_UID_T
1353 AC_CHECK_TYPES([dev_t, ino_t, nlink_t, nlink_t])
1354 AC_CHECK_TYPES([long long int, unsigned long long int])
1355 AC_CHECK_TYPES([sigset_t, sig_atomic_t], , , [
1356 #if defined (HAVE_SYS_TYPES_H)
1357 #include <sys/types.h>
1358 #endif
1359 #include <signal.h>])
1360
1361 ### How big are ints and how are they oriented? These could probably
1362 ### be eliminated in favor of run-time checks.
1363
1364 AC_CHECK_SIZEOF(short)
1365 AC_CHECK_SIZEOF(int)
1366 AC_CHECK_SIZEOF(long)
1367 AC_CHECK_SIZEOF(long long)
1368
1369 ### Does the C compiler handle alloca() and const correctly?
1370
1371 AC_FUNC_ALLOCA
1372 AC_C_CONST
1373
1374 ### See if we should use placement delete.
1375
1376 OCTAVE_PLACEMENT_DELETE
1377
1378 ### See if we can auto allocate variable sized arrays.
1379
1380 OCTAVE_DYNAMIC_AUTO_ARRAYS
1381
1382 ### See if we can use fast integer arithmetics
1383
1384 OCTAVE_FAST_INT_OPS
1385
1386 ### Check for long double type (for 64-bit integers)
1387
1388 AC_CHECK_SIZEOF(long double)
1389
1390 ### Checks for header files.
1391
1392 AC_HEADER_STDC
1393 AC_HEADER_DIRENT
1394 AC_HEADER_TIME
1395 AC_HEADER_SYS_WAIT
1396
1397 ### C headers
1398
1399 AC_CHECK_HEADERS(assert.h curses.h direct.h dlfcn.h fcntl.h float.h \
1400 floatingpoint.h grp.h ieeefp.h inttypes.h limits.h locale.h memory.h nan.h \
1401 ncurses.h poll.h pthread.h pwd.h stdint.h stdlib.h string.h sunmath.h sys/ioctl.h \
1402 sys/param.h sys/poll.h sys/resource.h sys/select.h sys/stat.h \
1403 sys/time.h sys/times.h sys/types.h sys/utsname.h sys/utime.h termcap.h \
1404 unistd.h utime.h varargs.h)
1405
1406 ### C++ headers
1407
1408 AC_LANG_PUSH(C++)
1409 AC_CHECK_HEADERS(sstream)
1410 AC_LANG_POP(C++)
1411
1412 have_termios_h=no
1413 AC_CHECK_HEADERS(termios.h, have_termios_h=yes)
1414 AC_CHECK_HEADERS(termio.h, have_termio_h=yes, have_termio_h=no)
1415 AC_CHECK_HEADERS(sgtty.h, have_sgtty_h=yes, have_sgtty_h=no)
1416 AC_CHECK_HEADERS(glob.h, have_glob_h=yes, have_glob_h=no)
1417 AC_CHECK_HEADERS(fnmatch.h, have_fnmatch_h=yes, have_fnmatch_h=no)
1418 AC_CHECK_HEADERS(conio.h, have_conio_h=yes, have_conio_h=no)
1419
1420 ### I'm told that termios.h is broken on NeXT systems.
1421
1422 case "$canonical_host_type" in
1423 *-*-nextstep*)
1424 if test "$have_termios_h" = yes; then
1425 AC_MSG_WARN([Ignoring termios.h on NeXT systems.])
1426 have_termios_h=no
1427 fi
1428 ;;
1429 esac
1430
1431 if test "$have_termios_h" = yes \
1432 || test "$have_termio_h" = yes \
1433 || test "$have_sgtty_h" = yes; then
1434 true
1435 else
1436 AC_MSG_WARN([I couldn't find termios.h, termio.h, or sgtty.h!])
1437 fi
1438
1439 LIBGLOB=
1440 AC_SUBST(LIBGLOB)
1441 if test "$have_fnmatch_h" = yes && test "$have_glob_h" = yes; then
1442 AC_CHECK_FUNCS(fnmatch, have_fnmatch=yes, [
1443 AC_CHECK_LIB(glob, fnmatch, [have_fnmatch=yes; LIBGLOB=-lglob],
1444 have_fnmatch=no)])
1445 AC_CHECK_FUNCS(glob, have_glob=yes, [
1446 AC_CHECK_LIB(glob, glob, [have_glob=yes; LIBGLOB=-lglob],
1447 have_glob=no)])
1448
1449 if test "$have_fnmatch" != yes || test "$have_glob" != yes; then
1450 AC_MSG_ERROR([You are required to have fnmatch and glob])
1451 fi
1452 else
1453 AC_MSG_ERROR([You are required to have fnmatch.h and glob.h])
1454 fi
1455
1456 ### Checks for functions and variables.
1457
1458 AC_CHECK_FUNCS(atexit basename bcopy bzero canonicalize_file_name \
1459 chmod dup2 endgrent endpwent execvp expm1 expm1f fcntl fork fstat getcwd \
1460 getegid geteuid getgid getgrent getgrgid getgrnam getpgrp getpid \
1461 getppid getpwent getpwuid gettimeofday getuid getwd _kbhit kill \
1462 lgamma lgammaf lgamma_r lgammaf_r link localtime_r log1p log1pf lstat \
1463 memmove mkdir mkfifo mkstemp on_exit pipe poll putenv raise readlink \
1464 realpath rename resolvepath rindex rmdir roundl select setgrent setlocale \
1465 setpwent setvbuf sigaction siglongjmp sigpending sigprocmask sigsuspend \
1466 snprintf stat strcasecmp strdup strerror stricmp strncasecmp \
1467 strnicmp strptime strsignal symlink tempnam tgammaf trunc umask \
1468 uname unlink usleep utime vfprintf vsprintf vsnprintf waitpid \
1469 _chmod _snprintf x_utime _utime32)
1470
1471 AC_LANG_PUSH(C++)
1472 AC_CHECK_DECLS([exp2, round, tgamma], [], [], [[#include <cmath>]])
1473 AC_CHECK_FUNCS([exp2 round tgamma])
1474 AH_VERBATIM([Z_FUNCS_AND_DECLS], [
1475 #if defined (__cplusplus)
1476 extern "C" {
1477 #endif
1478 #if HAVE_EXP2 && ! HAVE_DECL_EXP2
1479 double exp2 (double );
1480 #endif
1481 #if HAVE_ROUND && ! HAVE_DECL_ROUND
1482 double round (double);
1483 #endif
1484 #if HAVE_TGAMMA && ! HAVE_DECL_TGAMMA
1485 double tgamma (double);
1486 #endif
1487 #if defined (__cplusplus)
1488 }
1489 #endif
1490 ])
1491 AC_LANG_POP(C++)
1492
1493 case "$canonical_host_type" in
1494 *-*-mingw*)
1495 ## MinGW does not provide a mkstemp function. However, it provides
1496 ## the mkstemps function in libiberty.
1497 AC_MSG_CHECKING(for mkstemps in libiberty)
1498 save_LIBS="$LIBS"
1499 LIBS="-liberty $LIBS"
1500 AC_LINK_IFELSE([
1501 AC_LANG_PROGRAM([[int mkstemps (char *pattern, int suffix_len);]],
1502 [[mkstemps ("XXXXXX", 0);]]
1503 )],
1504 [AC_MSG_RESULT(yes)
1505 HAVE_MKSTEMPS=yes
1506 AC_DEFINE(HAVE_MKSTEMPS, 1, [Define if mkstemps is available in libiberty.])
1507 ],
1508 [AC_MSG_RESULT(no)
1509 HAVE_MKSTEMPS=no
1510 LIBS="$save_LIBS"
1511 ])
1512 ;;
1513 esac
1514
1515 case "$canonical_host_type" in
1516 *-*-msdosmsvc | *-*-mingw*)
1517 ## The %T and %e format specifiers for strftime are not implemented
1518 ## so use our version. We could use an actual configure test
1519 ## for this.
1520 ;;
1521 *)
1522 AC_CHECK_FUNCS(strftime)
1523 ;;
1524 esac
1525
1526 OCTAVE_HAVE_C99_VSNPRINTF
1527 OCTAVE_STRPTIME_BROKEN
1528 OCTAVE_SMART_PUTENV
1529
1530 case "$canonical_host_type" in
1531 *-*-msdosmsvc | *-*-mingw*)
1532 AC_MSG_CHECKING([for required _WIN32_WINNT])
1533 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
1534 #include <windows.h>
1535 #if _WIN32_WINNT < 0x0403
1536 #error "Wrong version"
1537 #endif]], []),
1538 AC_MSG_RESULT([none]), [
1539 AC_DEFINE(_WIN32_WINNT, 0x0403, [Define to 0x0403 to access InitializeCriticalSectionAndSpinCount])
1540 AC_MSG_RESULT([0x0403])])
1541 AC_MSG_CHECKING([whether _USE_MATH_DEFINES needs to be defined])
1542 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include <math.h>]],
1543 [[int x = M_LN2;]]),
1544 AC_MSG_RESULT([no]), [
1545 AC_DEFINE(_USE_MATH_DEFINES, 1, [Define if your system needs it to define math constants like M_LN2])
1546 AC_MSG_RESULT([yes])])
1547 ;;
1548 esac
1549
1550 ### Dynamic linking is now enabled only if we are building shared
1551 ### libs and some API for dynamic linking is detected.
1552
1553 LD_CXX='$(CXX)'
1554 RDYNAMIC_FLAG=
1555 DL_API_MSG=""
1556 dlopen_api=false
1557 shl_load_api=false
1558 loadlibrary_api=false
1559 dyld_api=false
1560
1561 if $SHARED_LIBS || $ENABLE_DYNAMIC_LINKING; then
1562
1563 ## Check for dyld first since OS X can have a non-standard libdl
1564
1565 save_LIBS="$LIBS"
1566 AC_CHECK_HEADER(mach-o/dyld.h)
1567 if test "$ac_cv_header_mach_o_dyld_h" = yes; then
1568 dyld_api=true
1569 else
1570 AC_CHECK_LIB(dld, shl_load, [DL_LIBS=-ldld; LIBS="$LIBS $DL_LIBS"])
1571 AC_CHECK_FUNCS(shl_load shl_findsym)
1572 if test "$ac_cv_func_shl_load" = yes \
1573 && test "$ac_cv_func_shl_findsym" = yes; then
1574 shl_load_api=true
1575 else
1576 AC_CHECK_LIB(wsock32, LoadLibrary, [
1577 DL_LIBS=-lwsock32; LIBS="$LIBS $DL_LIBS"])
1578 AC_CHECK_FUNCS(LoadLibrary)
1579 if test "$ac_cv_func_loadlibrary" = yes; then
1580 loadlibrary_api=true
1581 else
1582 AC_CHECK_LIB(dl, dlopen, [DL_LIBS=-ldl; LIBS="$LIBS $DL_LIBS"])
1583 AC_CHECK_FUNCS(dlopen dlsym dlerror dlclose)
1584 if test "$ac_cv_func_dlclose" = yes \
1585 && test "$ac_cv_func_dlerror" = yes \
1586 && test "$ac_cv_func_dlopen" = yes \
1587 && test "$ac_cv_func_dlsym" = yes; then
1588 dlopen_api=true
1589 else
1590 case "$canonical_host_type" in
1591 i[[3456]]86-*-sco3.2v5*)
1592 LD_CXX='LD_RUN_PATH=$LD_RUN_PATH:$(octlibdir) $(CXX)'
1593 dlopen_api=true
1594 ;;
1595 esac
1596 fi
1597 fi
1598 fi
1599 fi
1600 LIBS="$save_LIBS"
1601 AC_SUBST(DL_LIBS)
1602
1603 ## autoconf test for LoadLibrary appears broken. Bypass for cygwin/mingw
1604 if $dlopen_api || $shl_load_api || $loadlibrary_api || $dyld_api; then
1605 true
1606 else
1607 case "$canonical_host_type" in
1608 *-*-cygwin* | *-*-mingw* | *-*-msdosmsvc)
1609 loadlibrary_api=true;
1610 ;;
1611 esac
1612 fi
1613
1614 if $dlopen_api; then
1615 DL_API_MSG="(dlopen)"
1616 AC_DEFINE(HAVE_DLOPEN_API, 1, [Define if your system has dlopen, dlsym, dlerror, and dlclose for dynamic linking])
1617 OCTAVE_CXX_FLAG(-rdynamic, [RDYNAMIC_FLAG=-rdynamic])
1618 elif $shl_load_api; then
1619 DL_API_MSG="(shl_load)"
1620 AC_DEFINE(HAVE_SHL_LOAD_API, 1, [Define if your system has shl_load and shl_findsym for dynamic linking])
1621 elif $loadlibrary_api; then
1622 DL_API_MSG="(LoadLibrary)"
1623 AC_DEFINE(HAVE_LOADLIBRARY_API, 1, [Define if your system has LoadLibrary for dynamic linking])
1624 elif $dyld_api; then
1625 DL_API_MSG="(dyld)"
1626 AC_DEFINE(HAVE_DYLD_API, 1, [Define if your system has dyld for dynamic linking])
1627 fi
1628
1629 if $dlopen_api || $shl_load_api || $loadlibrary_api || $dyld_api; then
1630 ENABLE_DYNAMIC_LINKING=true
1631 AC_DEFINE(ENABLE_DYNAMIC_LINKING, 1, [Define if using dynamic linking])
1632 fi
1633 fi
1634
1635 if $SHARED_LIBS; then
1636 LIBOCTINTERP=-loctinterp$SHLLINKEXT
1637 LIBOCTAVE=-loctave$SHLLINKEXT
1638 LIBCRUFT=-lcruft$SHLLINKEXT
1639 else
1640 LIBOCTINTERP='$(TOPDIR)/src/liboctinterp.$(LIBEXT)'
1641 LIBOCTAVE='$(TOPDIR)/liboctave/liboctave.$(LIBEXT)'
1642 LIBCRUFT='$(TOPDIR)/libcruft/libcruft.$(LIBEXT)'
1643 fi
1644
1645 AC_SUBST(LD_CXX)
1646 AC_SUBST(RDYNAMIC_FLAG)
1647 AC_SUBST(ENABLE_DYNAMIC_LINKING)
1648 AC_SUBST(LIBOCTINTERP)
1649 AC_SUBST(LIBOCTAVE)
1650 AC_SUBST(LIBCRUFT)
1651
1652 ### There is more than one possible prototype for gettimeofday. See
1653 ### which one (if any) appears in sys/time.h. These tests are from
1654 ### Emacs 19.
1655
1656 AC_MSG_CHECKING(for struct timeval)
1657 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1658 #include <sys/time.h>
1659 #include <time.h>
1660 #else
1661 #ifdef HAVE_SYS_TIME_H
1662 #include <sys/time.h>
1663 #else
1664 #include <time.h>
1665 #endif
1666 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1667 [AC_MSG_RESULT(yes)
1668 HAVE_TIMEVAL=yes
1669 AC_DEFINE(HAVE_TIMEVAL, 1, [Define if struct timeval is defined.])],
1670 [AC_MSG_RESULT(no)
1671 HAVE_TIMEVAL=no])
1672
1673 if test "x$HAVE_TIMEVAL" = xyes; then
1674 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1675 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1676 #include <sys/time.h>
1677 #include <time.h>
1678 #else
1679 #ifdef HAVE_SYS_TIME_H
1680 #include <sys/time.h>
1681 #else
1682 #include <time.h>
1683 #endif
1684 #endif]], [[struct timeval time;
1685 struct timezone dummy;
1686 gettimeofday (&time, &dummy);]])],
1687 [AC_MSG_RESULT(no)],
1688 [AC_MSG_RESULT(yes)
1689 AC_DEFINE(GETTIMEOFDAY_NO_TZ, 1,
1690 [Define if your system has a single-arg prototype for gettimeofday.])])
1691 fi
1692
1693 dnl Maybe <cmath> defines the IEEE functions we need.
1694
1695 OCTAVE_CMATH_FUNC(isnan)
1696 OCTAVE_CMATH_FUNC(isinf)
1697 OCTAVE_CMATH_FUNC(isfinite)
1698
1699 dnl Would like to get rid of this cruft, and just have
1700 dnl
1701 dnl AC_CHECK_FUNCS(finite isnan isinf)
1702 dnl
1703 dnl instead, but that used to fail on some systems...
1704 dnl
1705 dnl Also just using AC_CHECK_FUNCS doesn't seem to work to find isinf
1706 dnl and isnan on Linux systems, so we use AC_CHECK_FUNC, and if that
1707 dnl fails, we try again by including math.h and invoking the function
1708 dnl with an argument.
1709
1710 ### I am told that Inf and NaN don't work on m68k HP sytems, and that
1711 ### on SCO systems, isnan and isinf don't work, but they can be
1712 ### replaced by something that does.
1713
1714 case "$canonical_host_type" in
1715 m68k-hp-hpux*)
1716 ;;
1717 *-*-sco*)
1718 AC_MSG_NOTICE([defining SCO to be 1])
1719 AC_DEFINE(SCO, 1, [Define if using an SCO system.])
1720 AC_MSG_NOTICE([forcing HAVE_ISINF for SCO])
1721 AC_DEFINE(HAVE_ISINF, 1, [Define if you have isinf().])
1722 AC_MSG_NOTICE([forcing HAVE_ISNAN for SCO])
1723 AC_DEFINE(HAVE_ISNAN, 1, [Define if you have isnan().])
1724 ;;
1725 *)
1726 AC_CHECK_FUNCS(finite isnan isinf copysign signbit)
1727 AC_CHECK_FUNCS(_finite _isnan _copysign)
1728 AC_CHECK_DECLS(signbit, , , [#include <math.h>])
1729 ;;
1730 esac
1731
1732 ### Check for nonstandard but common math functions that we need.
1733
1734 AC_CHECK_FUNCS(acosh acoshf asinh asinhf atanh atanhf erf erff erfc erfcf exp2f log2 log2f)
1735 AC_CHECK_FUNCS(hypotf _hypotf)
1736
1737 ### Checks for OS specific cruft.
1738
1739 AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_blocks, struct stat.st_rdev])
1740
1741 AC_STRUCT_TM
1742 AC_STRUCT_TIMEZONE
1743 AC_FUNC_CLOSEDIR_VOID
1744
1745 AC_CHECK_MEMBERS(struct group.gr_passwd)
1746
1747 # mkdir takes a single argument on some systems.
1748 OCTAVE_MKDIR_TAKES_ONE_ARG
1749
1750 octave_found_termlib=no
1751 for termlib in ncurses curses termcap terminfo termlib; do
1752 AC_CHECK_LIB(${termlib}, tputs, [
1753 TERM_LIBS="-l${termlib}"
1754 octave_found_termlib=yes
1755 break])
1756 done
1757
1758 if test "$octave_found_termlib" = no; then
1759 warn_termlibs="I couldn't find -ltermcap, -lterminfo, -lncurses, -lcurses, o\
1760 r -ltermlib!"
1761 AC_MSG_WARN($warn_termlibs)
1762 fi
1763 AC_SUBST(TERM_LIBS)
1764
1765 OCTAVE_ENABLE_READLINE
1766
1767 AC_MSG_CHECKING([for struct exception in math.h])
1768 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1769 [[struct exception *x; x->type; x->name;]])],
1770 [AC_MSG_RESULT(yes)
1771 AC_DEFINE(EXCEPTION_IN_MATH, 1,
1772 [Define if your math.h declares struct exception for matherr().])],
1773 [AC_MSG_RESULT(no)])
1774
1775 ### Signal stuff.
1776
1777 AC_TYPE_SIGNAL
1778 AC_CHECK_DECLS([sys_siglist], [], [],
1779 [#include <signal.h>
1780 /* NetBSD declares sys_siglist in unistd.h. */
1781 #if HAVE_UNISTD_H
1782 # include <unistd.h>
1783 #endif
1784 ])
1785 OCTAVE_SIGNAL_CHECK
1786 OCTAVE_REINSTALL_SIGHANDLERS
1787 if test "$ac_cv_type_signal" = "void"; then
1788 AC_DEFINE(RETSIGTYPE_IS_VOID, 1, [Define if this if RETSIGTYPE is defined to be void. Needed because preprocessor comparisons to void fail on some systems.])
1789 fi
1790
1791 ### A system dependent kluge or two.
1792
1793 AC_CHECK_FUNCS(getrusage times)
1794 case "$canonical_host_type" in
1795 *-*-cygwin*)
1796 AC_DEFINE(RUSAGE_TIMES_ONLY, 1, [Define if your struct rusage only has time information.])
1797 ;;
1798 esac
1799
1800 ### Checks for other programs used for building, testing, installing,
1801 ### and running Octave.
1802
1803 AC_PROG_AWK
1804 OCTAVE_PROG_FIND
1805 OCTAVE_PROG_SED
1806 OCTAVE_PROG_PERL
1807 OCTAVE_PROG_PYTHON
1808
1809 OCTAVE_PROG_FLEX
1810 OCTAVE_PROG_BISON
1811
1812 AC_PROG_LN_S
1813
1814 AC_PROG_INSTALL
1815 INSTALL_SCRIPT='${INSTALL}'
1816 AC_SUBST(INSTALL_SCRIPT)
1817
1818 OCTAVE_PROG_DESKTOP_FILE_INSTALL
1819
1820 OCTAVE_PROG_GNUPLOT
1821 OCTAVE_PROG_PAGER
1822 OCTAVE_PROG_GPERF
1823
1824 OCTAVE_PROG_GHOSTSCRIPT
1825 OCTAVE_PROG_MAKEINFO
1826 OCTAVE_PROG_TEXI2DVI
1827 OCTAVE_PROG_TEXI2PDF
1828
1829 ### Even though we include config.h, we need to have the preprocessor
1830 ### defines available in a variable for the octave-bug script. Use
1831 ### UGLY_DEFS for that.
1832
1833 AC_OUTPUT_MAKE_DEFS
1834
1835 ### We have to insert extra levels of backslash quoting here so that
1836 ### the right thing ends up in oct-conf.h.
1837 UGLY_DEFS=`echo $DEFS | $SED 's,\\",\\\\\\\\\\\\\\\\\\",g'`
1838 AC_MSG_NOTICE([defining UGLY_DEFS to be $UGLY_DEFS])
1839 AC_SUBST(UGLY_DEFS)
1840
1841 ### Maybe add -Wall, -W, and -Wshadow to compiler flags now that we're
1842 ### done feature testing.
1843
1844 try_extra_warning_flags=true
1845 AC_ARG_ENABLE(extra-warning-flags,
1846 [AS_HELP_STRING([--enable-extra-warning-flags],
1847 [add -Wall, -W, -Wshadow, and -Wold-style-cast options to CFLAGS and CXXFLAGS (on by default, but only if the compiler appears to accept them)])],
1848 [if test "$enableval" = no; then
1849 try_extra_warning_flags=false
1850 fi], [])
1851
1852 if $try_extra_warning_flags; then
1853 OCTAVE_CC_FLAG(-Wall, [
1854 WARN_CFLAGS="$WARN_CFLAGS -Wall";
1855 AC_MSG_RESULT([adding -Wall to WARN_CFLAGS])])
1856 OCTAVE_CC_FLAG(-W, [
1857 WARN_CFLAGS="$WARN_CFLAGS -W";
1858 AC_MSG_RESULT([adding -W to WARN_CFLAGS])])
1859 OCTAVE_CC_FLAG(-Wshadow, [
1860 WARN_CFLAGS="$WARN_CFLAGS -Wshadow";
1861 AC_MSG_RESULT([adding -Wshadow to WARN_CFLAGS])])
1862 OCTAVE_CC_FLAG(-Wformat, [
1863 WARN_CFLAGS="$WARN_CFLAGS -Wformat";
1864 AC_MSG_RESULT([adding -Wformat to WARN_CFLAGS])])
1865
1866 OCTAVE_CXX_FLAG(-Wall, [
1867 WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall";
1868 AC_MSG_RESULT([adding -Wall to WARN_CXXFLAGS])])
1869 OCTAVE_CXX_FLAG(-W, [
1870 WARN_CXXFLAGS="$WARN_CXXFLAGS -W";
1871 AC_MSG_RESULT([adding -W to WARN_CXXFLAGS])])
1872 OCTAVE_CXX_FLAG(-Wshadow, [
1873 WARN_CXXFLAGS="$WARN_CXXFLAGS -Wshadow";
1874 AC_MSG_RESULT([adding -Wshadow to WARN_CXXFLAGS])])
1875 OCTAVE_CXX_FLAG(-Wold-style-cast, [
1876 WARN_CXXFLAGS="$WARN_CXXFLAGS -Wold-style-cast";
1877 AC_MSG_RESULT([adding -Wold-style-cast to WARN_CXXFLAGS])])
1878 OCTAVE_CXX_FLAG(-Wformat, [
1879 WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat";
1880 AC_MSG_RESULT([adding -Wformat to WARN_CXXFLAGS])])
1881 fi
1882
1883 GCC_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wconversion -Wmissing-prototypes \
1884 -Wpointer-arith -Wstrict-prototypes -Wwrite-strings"
1885
1886 GXX_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wconversion -Wpointer-arith \
1887 -Wwrite-strings -Weffc++"
1888
1889 try_strict_warning_flags=false
1890
1891 AC_ARG_ENABLE(strict-warning-flags,
1892 [AS_HELP_STRING([--enable-strict-warning-flags],
1893 [add extra strict warning options to CFLAGS and CXXFLAGS (off by default)])],
1894 [if test "$enableval" = yes; then
1895 try_strict_warning_flags=true
1896 fi], [])
1897
1898 if $try_strict_warning_flags; then
1899 for flag in $GCC_STRICT_FLAGS; do
1900 OCTAVE_CC_FLAG($flag, [
1901 WARN_CFLAGS="$WARN_CFLAGS $flag";
1902 AC_MSG_RESULT([adding $flag to WARN_CFLAGS])])
1903 done
1904 for flag in $GXX_STRICT_FLAGS; do
1905 OCTAVE_CXX_FLAG($flag, [
1906 WARN_CXXFLAGS="$WARN_CXXFLAGS $flag";
1907 AC_MSG_RESULT([adding $flag to WARN_CXXFLAGS])])
1908 done
1909 fi
1910
1911 AC_SUBST(WARN_CFLAGS)
1912 AC_SUBST(WARN_CXXFLAGS)
1913
1914 ### Run configure in subdirectories.
1915
1916 export CC
1917 export CXX
1918 export F77
1919
1920 AC_CONFIG_SUBDIRS(scripts)
1921
1922 ### Some things to add to the bottom of config.h.
1923
1924 AH_BOTTOM([
1925 #if defined (__GNUC__)
1926 #define GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
1927 #define GCC_ATTR_NORETURN __attribute__ ((__noreturn__))
1928 #define GCC_ATTR_UNUSED __attribute__ ((__unused__))
1929 #else
1930 #define GCC_ATTR_DEPRECATED
1931 #define GCC_ATTR_NORETURN
1932 #define GCC_ATTR_UNUSED
1933 #endif
1934
1935 #define X_CAST(T, E) (T) (E)
1936
1937 #if defined (CXX_BROKEN_REINTERPRET_CAST)
1938 #define FCN_PTR_CAST(T, E) (T) (E)
1939 #else
1940 #define FCN_PTR_CAST(T, E) reinterpret_cast<T> (E)
1941 #endif
1942
1943 #if !defined(HAVE_DEV_T)
1944 typedef short dev_t;
1945 #endif
1946
1947 #if !defined(HAVE_INO_T)
1948 typedef unsigned long ino_t;
1949 #endif
1950
1951 #if !defined(HAVE_NLINK_T)
1952 typedef short nlink_t;
1953 #endif
1954
1955 #if !defined(HAVE_SIGSET_T)
1956 typedef int sigset_t;
1957 #endif
1958
1959 #if !defined(HAVE_SIG_ATOMIC_T)
1960 typedef int sig_atomic_t;
1961 #endif
1962
1963 #if defined (_MSC_VER)
1964 #define __WIN32__
1965 #define WIN32
1966 /* missing parameters in macros */
1967 #pragma warning (disable: 4003)
1968 /* missing implementations in template instantiation */
1969 #pragma warning (disable: 4996)
1970 /* deprecated function names (FIXME?) */
1971 #pragma warning (disable: 4661)
1972 #endif
1973
1974 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1975 #define OCTAVE_HAVE_WINDOWS_FILESYSTEM 1
1976 #elif defined (__CYGWIN__)
1977 #define OCTAVE_HAVE_WINDOWS_FILESYSTEM 1
1978 #define OCTAVE_HAVE_POSIX_FILESYSTEM 1
1979 #else
1980 #define OCTAVE_HAVE_POSIX_FILESYSTEM 1
1981 #endif
1982
1983 /* Define if we expect to have <windows.h>, Sleep, etc. */
1984 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1985 #define OCTAVE_USE_WINDOWS_API 1
1986 #endif
1987
1988 #if defined (__APPLE__) && defined (__MACH__)
1989 #define OCTAVE_USE_OS_X_API 1
1990 #endif
1991
1992 /* sigsetjmp is a macro, not a function. */
1993 #if defined (sigsetjmp) && defined (HAVE_SIGLONGJMP)
1994 #define OCTAVE_HAVE_SIG_JUMP
1995 #endif
1996
1997 #if defined (__DECCXX)
1998 #define __USE_STD_IOSTREAM
1999 #endif
2000
2001 #if defined (_UNICOS)
2002 #define F77_USES_CRAY_CALLING_CONVENTION
2003 #endif
2004
2005 #if 0
2006 #define F77_USES_VISUAL_FORTRAN_CALLING_CONVENTION
2007 #endif
2008
2009 #ifdef USE_64_BIT_IDX_T
2010 #define SIZEOF_OCTAVE_IDX_TYPE 8
2011 #else
2012 #define SIZEOF_OCTAVE_IDX_TYPE SIZEOF_INT
2013 #endif
2014
2015 // To be able to use long doubles for 64-bit mixed arithmetics, we need them at
2016 // least 80 bits wide and we need roundl declared in math.h.
2017 // FIXME -- maybe substitute this by a more precise check in the future.
2018 #if (SIZEOF_LONG_DOUBLE >= 10) && defined (HAVE_ROUNDL)
2019 #define OCTAVE_INT_USE_LONG_DOUBLE
2020 #endif
2021
2022 #define OCTAVE_EMPTY_CPP_ARG
2023
2024 // Octave is currently unable to use FFTW unless both float
2025 // and double versions are both available.
2026 #if defined (HAVE_FFTW3) && defined (HAVE_FFTW3F)
2027 #define HAVE_FFTW
2028 #endif
2029
2030 // Backward compatibility.
2031 #if defined (HAVE_Z)
2032 #define HAVE_ZLIB
2033 #endif
2034
2035 #include "oct-dlldefs.h"
2036 #include "oct-types.h"
2037 ])
2038
2039 ### Do the substitutions in all the Makefiles.
2040
2041 AC_CONFIG_COMMANDS([Makefile], [if test "$ac_srcdir" != "."; then
2042 cp $srcdir/Makefile .
2043 fi])
2044
2045 AC_SUBST(ac_config_files)
2046 AC_SUBST(ac_config_headers)
2047
2048 AC_CONFIG_FILES([octMakefile Makeconf m4/Makefile test/Makefile
2049 doc/Makefile doc/faq/Makefile doc/interpreter/Makefile
2050 doc/liboctave/Makefile doc/refcard/Makefile emacs/Makefile
2051 examples/Makefile examples/@polynomial/Makefile
2052 examples/@FIRfilter/Makefile liboctave/Makefile
2053 liboctave/oct-types.h src/Makefile src/mxarray.h libcruft/Makefile
2054 libcruft/Makerules libcruft/amos/Makefile libcruft/blas/Makefile
2055 libcruft/daspk/Makefile libcruft/dasrt/Makefile
2056 libcruft/dassl/Makefile libcruft/fftpack/Makefile
2057 libcruft/lapack/Makefile
2058 libcruft/misc/Makefile libcruft/odepack/Makefile
2059 libcruft/ordered-qz/Makefile libcruft/quadpack/Makefile
2060 libcruft/ranlib/Makefile libcruft/slatec-fn/Makefile
2061 libcruft/slatec-err/Makefile libcruft/villad/Makefile
2062 libcruft/blas-xtra/Makefile libcruft/lapack-xtra/Makefile])
2063
2064 AC_OUTPUT
2065
2066 ### Print a summary so that important information isn't missed.
2067
2068 AC_MSG_NOTICE([
2069
2070 Octave is now configured for $canonical_host_type
2071
2072 Source directory: $srcdir
2073 Installation prefix: $prefix
2074 C compiler: $CC $XTRA_CFLAGS $WARN_CFLAGS $CFLAGS
2075 C++ compiler: $CXX $XTRA_CXXFLAGS $WARN_CXXFLAGS $CXXFLAGS
2076 Fortran compiler: $F77 $FFLAGS
2077 Fortran libraries: $FLIBS
2078 Glob libraries: $LIBGLOB
2079 Lex libraries: $LEXLIB
2080 LIBS: $LIBS
2081
2082 AMD CPPFLAGS: $AMD_CPPFLAGS
2083 AMD LDFLAGS: $AMD_LDFLAGS
2084 AMD libraries: $AMD_LIBS
2085 ARPACK libraries: $ARPACK_LIBS
2086 BLAS libraries: $BLAS_LIBS
2087 CAMD CPPFLAGS: $CAMD_CPPFLAGS
2088 CAMD LDFLAGS: $CAMD_LDFLAGS
2089 CAMD libraries: $CAMD_LIBS
2090 CARBON libraries: $CARBON_LIBS
2091 CCOLAMD CPPFLAGS: $CCOLAMD_CPPFLAGS
2092 CCOLAMD LDFLAGS: $CCOLAMD_LDFLAGS
2093 CCOLAMD libraries: $CCOLAMD_LIBS
2094 CHOLMOD CPPFLAGS: $CHOLMOD_CPPFLAGS
2095 CHOLMOD LDFLAGS: $CHOLMOD_LDFLAGS
2096 CHOLMOD libraries: $CHOLMOD_LIBS
2097 COLAMD CPPFLAGS: $COLAMD_CPPFLAGS
2098 COLAMD LDFLAGS: $COLAMD_LDFLAGS
2099 COLAMD libraries: $COLAMD_LIBS
2100 CURL CPPFLAGS: $CURL_CPPFLAGS
2101 CURL LDFLAGS: $CURL_LDFLAGS
2102 CURL libraries: $CURL_LIBS
2103 CXSPARSE CPPFLAGS: $CXSPARSE_CPPFLAGS
2104 CXSPARSE LDFLAGS: $CXSPARSE_LDFLAGS
2105 CXSPARSE libraries: $CXSPARSE_LIBS
2106 DL libraries: $DL_LIBS
2107 FFTW3 CPPFLAGS: $FFTW3_CPPFLAGS
2108 FFTW3 LDFLAGS: $FFTW3_LDFLAGS
2109 FFTW3 libraries: $FFTW3_LIBS
2110 FFTW3F CPPFLAGS: $FFTW3F_CPPFLAGS
2111 FFTW3F LDFLAGS: $FFTW3F_LDFLAGS
2112 FFTW3F libraries: $FFTW3F_LIBS
2113 FLTK backend libs: $GRAPHICS_LIBS
2114 GLPK CPPFLAGS: $GLPK_CPPFLAGS
2115 GLPK LDFLAGS: $GLPK_LDFLAGS
2116 GLPK libraries: $GLPK_LIBS
2117 GraphicsMagick++
2118 CPPFLAGS: $MAGICK_CPPFLAGS
2119 LDFLAGS: $MAGICK_LDFLAGS
2120 libraries: $MAGICK_LIBS
2121 HDF5 CPPFLAGS: $HDF5_CPPFLAGS
2122 HDF5 LDFLAGS: $HDF5_LDFLAGS
2123 HDF5 libraries: $HDF5_LIBS
2124 OPENGL libraries: $OPENGL_LIBS
2125 PTHREAD flags: $PTHREAD_CFLAGS
2126 PTHREAD libraries: $PTHREAD_LIBS
2127 QHULL CPPFLAGS: $QHULL_CPPFLAGS
2128 QHULL LDFLAGS: $QHULL_LDFLAGS
2129 QHULL libraries: $QHULL_LIBS
2130 QRUPDATE libraries: $QRUPDATE_LIBS
2131 READLINE libraries: $READLINE_LIBS
2132 REGEX libraries: $REGEX_LIBS
2133 TERM libraries: $TERM_LIBS
2134 UMFPACK libraries: $UMFPACK_LIBS
2135 X11 include flags: $X11_INCFLAGS
2136 X11 libraries: $X11_LIBS
2137 Z CPPFLAGS: $Z_CPPFLAGS
2138 Z LDFLAGS: $Z_LDFLAGS
2139 Z libraries: $Z_LIBS
2140
2141 Default pager: $DEFAULT_PAGER
2142 gnuplot: $GNUPLOT
2143
2144 Do internal array bounds checking: $BOUNDS_CHECKING
2145 Build static libraries: $STATIC_LIBS
2146 Build shared libraries: $SHARED_LIBS
2147 Dynamic Linking: $ENABLE_DYNAMIC_LINKING $DL_API_MSG
2148 Include support for GNU readline: $USE_READLINE
2149 64-bit array dims and indexing: $USE_64_BIT_IDX_T
2150 ])
2151
2152 warn_msg_printed=false
2153
2154 if $ENABLE_DYNAMIC_LINKING; then
2155 if $SHARED_LIBS; then
2156 true
2157 else
2158 AC_MSG_WARN([You used --enable-dl but not --enable-shared.])
2159 AC_MSG_WARN([Are you sure that is what you want to do?])
2160 warn_msg_printed=true
2161 fi
2162 fi
2163
2164 if test -n "$gxx_only"; then
2165 AC_MSG_WARN($gxx_only)
2166 warn_msg_printed=true
2167 fi
2168
2169 if test -n "$warn_gcc_version"; then
2170 AC_MSG_WARN($warn_gcc_version)
2171 warn_msg_printed=true
2172 fi
2173
2174 if test -n "$warn_gcc_only"; then
2175 AC_MSG_WARN($warn_gcc_only)
2176 warn_msg_printed=true
2177 fi
2178
2179 if test -n "$warn_readline"; then
2180 AC_MSG_WARN($warn_readline)
2181 warn_msg_printed=true
2182 fi
2183
2184 if test -n "$warn_termlibs"; then
2185 AC_MSG_WARN($warn_termlibs)
2186 warn_msg_printed=true
2187 fi
2188
2189 if test -n "$warn_gperf"; then
2190 AC_MSG_WARN($warn_gperf)
2191 warn_msg_printed=true
2192 fi
2193
2194 if test -n "$warn_flex"; then
2195 AC_MSG_WARN($warn_flex)
2196 warn_msg_printed=true
2197 fi
2198
2199 if test -n "$warn_bison"; then
2200 AC_MSG_WARN($warn_bison)
2201 warn_msg_printed=true
2202 fi
2203
2204 if test -n "$warn_less"; then
2205 AC_MSG_WARN($warn_less)
2206 warn_msg_printed=true
2207 fi
2208
2209 if test -n "$warn_blas_f77_incompatible"; then
2210 AC_MSG_WARN($warn_blas_f77_incompatible)
2211 warn_msg_printed=true
2212 fi
2213
2214 if test -n "$warn_umfpack"; then
2215 AC_MSG_WARN($warn_umfpack)
2216 warn_msg_printed=true
2217 fi
2218
2219 if test -n "$warn_qrupdate"; then
2220 AC_MSG_WARN($warn_qrupdate)
2221 warn_msg_printed=true
2222 fi
2223
2224 if test -n "$warn_amd"; then
2225 AC_MSG_WARN($warn_amd)
2226 warn_msg_printed=true
2227 fi
2228
2229 if test -n "$warn_colamd"; then
2230 AC_MSG_WARN($warn_colamd)
2231 warn_msg_printed=true
2232 fi
2233
2234 if test -n "$warn_ccolamd"; then
2235 AC_MSG_WARN($warn_ccolamd)
2236 warn_msg_printed=true
2237 fi
2238
2239 if test -n "$warn_cholmod"; then
2240 AC_MSG_WARN($warn_cholmod)
2241 warn_msg_printed=true
2242 fi
2243
2244 if test -n "$warn_cxsparse"; then
2245 AC_MSG_WARN($warn_cxsparse)
2246 warn_msg_printed=true
2247 fi
2248
2249 if test -n "$warn_arpack"; then
2250 AC_MSG_WARN($warn_arpack)
2251 warn_msg_printed=true
2252 fi
2253
2254 if test -n "$warn_curl"; then
2255 AC_MSG_WARN($warn_curl)
2256 warn_msg_printed=true
2257 fi
2258
2259 if test -n "$warn_fftw"; then
2260 AC_MSG_WARN($warn_fftw)
2261 warn_msg_printed=true
2262 fi
2263
2264 if test -n "$warn_glpk"; then
2265 AC_MSG_WARN($warn_glpk)
2266 warn_msg_printed=true
2267 fi
2268
2269 if test -n "$warn_magick"; then
2270 AC_MSG_WARN($warn_magick)
2271 warn_msg_printed=true
2272 fi
2273
2274 if test -n "$warn_hdf5"; then
2275 AC_MSG_WARN($warn_hdf5)
2276 warn_msg_printed=true
2277 fi
2278
2279 if test -n "$warn_regex"; then
2280 AC_MSG_WARN($warn_regex)
2281 warn_msg_printed=true
2282 fi
2283
2284 if test -n "$warn_pcre"; then
2285 AC_MSG_WARN($warn_pcre)
2286 warn_msg_printed=true
2287 fi
2288
2289 if test -n "$warn_qhull"; then
2290 AC_MSG_WARN($warn_qhull)
2291 warn_msg_printed=true
2292 fi
2293
2294 if test -n "$warn_zlib"; then
2295 AC_MSG_WARN($warn_zlib)
2296 warn_msg_printed=true
2297 fi
2298
2299 if test -n "$warn_ghostscript"; then
2300 AC_MSG_WARN($warn_ghostscript)
2301 warn_msg_printed=true
2302 fi
2303
2304 if test -n "$warn_makeinfo"; then
2305 AC_MSG_WARN($warn_makeinfo)
2306 warn_msg_printed=true
2307 fi
2308
2309 if test -n "$warn_texi2dvi"; then
2310 AC_MSG_WARN($warn_texi2dvi)
2311 warn_msg_printed=true
2312 fi
2313
2314 if test -n "$warn_texi2pdf"; then
2315 AC_MSG_WARN($warn_texi2pdf)
2316 warn_msg_printed=true
2317 fi
2318
2319 if test -n "$warn_64_bit"; then
2320 AC_MSG_WARN($warn_64_bit)
2321 warn_msg_printed=true
2322 fi
2323
2324 if test -n "$warn_gnuplot"; then
2325
2326 ## If you change this text, be sure to also change the corresponding
2327 ## set of warnings above.
2328
2329 AC_MSG_WARN([])
2330 AC_MSG_WARN([I didn't find gnuplot. It isn't necessary to have gnuplot])
2331 AC_MSG_WARN([installed, but you won't be able to use any of Octave's])
2332 AC_MSG_WARN([plotting commands without it.])
2333 AC_MSG_WARN([])
2334 AC_MSG_WARN([If gnuplot is installed but it isn't in your path, you can])
2335 AC_MSG_WARN([tell Octave where to find it by typing the command])
2336 AC_MSG_WARN([])
2337 AC_MSG_WARN([gnuplot_binary = "/full/path/to/gnuplot/binary"])
2338 AC_MSG_WARN([])
2339 AC_MSG_WARN([at the Octave prompt.])
2340 AC_MSG_WARN([])
2341 warn_msg_printed=true
2342 fi
2343
2344 if $USE_64_BIT_IDX_T; then
2345 AC_MSG_WARN([])
2346 AC_MSG_WARN([You used the EXPERIMENTAL --enable-64 option.])
2347 AC_MSG_WARN([Are you sure that is what you want to do?])
2348 AC_MSG_WARN([])
2349 AC_MSG_WARN([You must ensure that the Fortran compiler generates])
2350 AC_MSG_WARN([code with 8 byte signed INTEGER values, and that your])
2351 AC_MSG_WARN([BLAS and LAPACK libraries are compiled to use 8 byte])
2352 AC_MSG_WARN([signed integers for array indexing.])
2353 AC_MSG_WARN([])
2354 warn_msg_printed=true
2355 fi
2356
2357 native_graphics=true
2358 if test -n "$warn_freetype"; then
2359 AC_MSG_WARN("$warn_freetype")
2360 native_graphics=false
2361 warn_msg_printed=true
2362 fi
2363
2364 if test -n "$warn_fontconfig"; then
2365 AC_MSG_WARN("$warn_fontconfig")
2366 native_graphics=false
2367 warn_msg_printed=true
2368 fi
2369
2370 if test -n "$warn_ftgl"; then
2371 AC_MSG_WARN("$warn_ftgl")
2372 native_graphics=false
2373 warn_msg_printed=true
2374 fi
2375
2376 if test -n "$warn_fltk_config"; then
2377 AC_MSG_WARN("$warn_fltk_config")
2378 native_graphics=false
2379 warn_msg_printed=true
2380 fi
2381
2382 if test -n "$warn_fltk_opengl"; then
2383 AC_MSG_WARN("$warn_fltk_opengl")
2384 native_graphics=false
2385 warn_msg_printed=true
2386 fi
2387
2388 if $native_graphics; then
2389 true;
2390 else
2391 AC_MSG_WARN([])
2392 AC_MSG_WARN([I didn't find the necessary libraries to compile native])
2393 AC_MSG_WARN([graphics. It isn't necessary to have native graphics])
2394 AC_MSG_WARN([but you will have to use gnuplot or you won't be able])
2395 AC_MSG_WARN([to use any of Octave's plotting commands])
2396 AC_MSG_WARN([])
2397 warn_msg_printed=true
2398 fi
2399
2400 if $warn_msg_printed; then
2401 AC_MSG_NOTICE([
2402
2403 NOTE: libraries may be skipped if a library is not found OR
2404 if the library on your system is missing required features.
2405 ])
2406 fi
2407
2408 ### End of configure.