chiark / gitweb /
General-purpose event distribution interface
[disorder] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #
3 # This file is part of DisOrder.
4 # Copyright (C) 2004-2008 Richard Kettlewell
5 # Portions copyright (C) 2007 Ross Younger
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 # General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 # USA
21 #
22
23 AC_INIT([disorder], [3.0+], [richard+disorder@sfere.greenend.org.uk])
24 AC_CONFIG_AUX_DIR([config.aux])
25 AM_INIT_AUTOMAKE(disorder, [3.0+])
26 AC_CONFIG_SRCDIR([server/disorderd.c])
27 AM_CONFIG_HEADER([config.h])
28
29 # Find host type
30 AC_CANONICAL_HOST
31
32 # What we want to build
33 want_gtk=yes
34 want_python=yes
35 want_tests=yes
36 want_server=yes
37 want_cgi=yes
38
39 # APIs we want
40 want_alsa=yes
41 want_oss=yes
42 want_coreaudio=yes
43
44 # Checks for programs.
45 AC_PROG_CC
46 AC_SET_MAKE
47 if test "x$GCC" = xyes; then
48   gcc_werror=-Werror
49 else
50   AC_MSG_ERROR([GNU C is required to build this program])
51   gcc_werror=""
52 fi
53
54 AC_ARG_WITH([alsa],
55             [AS_HELP_STRING([--without-alsa],
56                             [do not build with ALSA support])],
57             [want_alsa=$withval])
58 AC_ARG_WITH([oss],
59             [AS_HELP_STRING([--without-oss],
60                             [do not build with OSS support])],
61             [want_oss=$withval])
62 AC_ARG_WITH([coreaudio],
63             [AS_HELP_STRING([--without-coreaudio],
64                             [do not build with Core Audio support])],
65             [want_coreaudio=$withval])
66 AC_ARG_WITH([tests],
67             [AS_HELP_STRING([--without-tests],
68                             [do not build test suit])],
69             [want_tests=$withval])
70
71 AC_MSG_CHECKING([for a known target platform])
72 case "$host" in
73 *empeg* )
74   AC_MSG_RESULT([empeg car stereo])
75   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
76   # work around broken toolchain
77   AC_CHECK_LIB([gpg-error], [gpg_strerror])
78   AC_CHECK_LIB([pthread], [pthread_create])
79   want_server=no
80   want_cgi=no
81  ;;
82 *linux* | *Linux* )
83   AC_MSG_RESULT([Linux])
84   ;;
85 *-apple-darwin* )
86   AC_MSG_RESULT([Mac OS X])
87   if test $want_coreaudio = yes; then
88     COREAUDIO="-framework CoreAudio"
89   fi
90   browser=open
91   AC_MSG_CHECKING([Mac OS X target version])
92   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
93   # behaviour.  But we provide a command line option to override it and
94   # we default to wide support instead of supporting only the build platform.
95   #
96   # Currently if you ask for 10.5 you will get a deprecation warning
97   # when building the CoreAudio support code.  For the time being the
98   # answer to this is "don't do that then".  If a good reason to ask
99   # for a 10.5 deployment target emerges then this will be fixed.
100   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
101     MACOSX_DEPLOYMENT_TARGET=10.0
102   fi
103   AC_ARG_WITH([deployment-target],
104               [AS_HELP_STRING([--with-deployment-target=TARGET],
105                               [set target OS X version])],
106               [MACOSX_DEPLOYMENT_TARGET=$withval])
107   # Convert to desired format
108   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
109   minver="MAC_OS_X_VERSION_$underscored"
110   AC_MSG_RESULT([$minver])
111   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
112                      [define to minimum version of Mac OS X to support])
113   ;;
114 *-freebsd* )
115   AC_MSG_RESULT([FreeBSD])
116   # Ports install to /usr/local but the compiler stupidly doesn't look
117   # there by default
118   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
119   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
120   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
121   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
122     rjk_cv_libdb="none"
123     for db in db43 db44 db45 db46; do
124       if test -e /usr/local/lib/$db; then
125         rjk_cv_libdb=$db
126         break
127       fi
128     done
129   ])
130   if test $rjk_cv_libdb != none; then
131     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
132     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
133   fi
134   ;;
135 * )
136   AC_MSG_RESULT([unknown, winging it])
137   ;;
138 esac
139 AC_SUBST([COREAUDIO])
140
141 AC_ARG_WITH([browser],
142             [AS_HELP_STRING([--with-browser=BROWSER],
143                             [use BROWSER to display HTML])],
144             [browser=$withval])
145
146 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
147   rjk_cv_browser=UNKNOWN
148   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
149     if type $candidate >/dev/null 2>&1; then
150       rjk_cv_browser="$candidate"
151       break
152     fi
153   done
154 ])
155 if test -z "$browser"; then
156   browser="$rjk_cv_browser"
157 fi
158 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
159
160 AC_ARG_WITH([server],
161             [AS_HELP_STRING([--without-server],
162                             [do not build server])],
163             [want_server=$withval])
164 AC_ARG_WITH([cgi],
165             [AS_HELP_STRING([--without-cgi],
166                             [do not build CGI])],
167             [want_cgi=$withval])
168 AC_ARG_WITH([gtk],
169             [AS_HELP_STRING([--without-gtk],
170                             [do not build GTK+ client])],
171             [want_gtk=$withval])
172 AC_ARG_WITH([python],
173             [AS_HELP_STRING([--without-python],
174                             [do not build Python support])],
175             [want_python=$withval])
176
177 if test $want_server = no; then
178   want_cgi=no
179 fi
180
181 #
182 # OS          Document Root                  CGI directory
183 # ==          =============                  =============
184 # Debian      /var/www                       /usr/lib/cgi-bin
185 # Ubuntu      /var/www                       /usr/lib/cgi-bin
186 # Red Hat     /var/www/html                  /var/www/cgi-bin
187 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
188 # Slackware   /var/www/htdocs                (unknown)
189 # SuSE        /srv/www/html                  /srv/www/cgi-bin
190 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
191 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
192 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
193 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
194 # Apache      /usr/local/apache/htdocs       (none)
195 #
196 # Sources:
197 #   http://wiki.linuxquestions.org/wiki/Apache
198 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
199 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
200 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
201 #   http://httpd.apache.org/docs/
202 #
203 if test $want_cgi = yes; then
204   if test -z "$httpdir"; then
205     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
206       rjk_cv_httpdir="not found"
207       for dir in /var/www/html \
208                  /var/www/htdocs \
209                  /var/www/localhost/htdocs \
210                  /var/www \
211                  /home/httpd/html \
212                  /srv/www/html \
213                  /usr/local/www/data \
214                  /usr/local/www/*/data \
215                  /Library/WebServer/Documents \
216                  /usr/local/apache/htdocs; do
217         if test -d "$dir"; then
218           rjk_cv_httpdir="$dir"
219         fi
220       done
221     ])
222     if test "$rjk_cv_cgidir" = "not found"; then
223       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
224     fi
225     httpdir="$rjk_cv_httpdir"
226   fi
227   if test -z "$cgidir"; then
228     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgidir],[
229       rjk_cv_cgidir="not found"
230       for dir in /usr/lib/cgi-bin \
231                  /Library/WebServer/CGI-Executables \
232                  /srv/www/cgi-bin \
233                  /var/www/cgi-bin \
234                  /home/httpd/cgi-bin \
235                  /var/www/localhost/cgi-bin \
236                  /usr/local/lib/cgi-bin \
237                  /usr/local/www/cgi-bin \
238                  /usr/local/www/*/cgi-bin; do
239         if test -d "$dir"; then
240           rjk_cv_cgidir="$dir"
241           break
242         fi
243       done
244     ])
245     if test "$rjk_cv_cgidir" = "not found"; then
246       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgidir on configure command line])
247     fi
248     cgidir="$rjk_cv_cgidir"
249   fi
250 fi
251 AC_ARG_VAR([cgidir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
252 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
253 if test -z "$pkghttpdir"; then
254   pkghttpdir='$(httpdir)/disorder'
255 fi
256 AC_SUBST([pkghttpdir])
257
258 subdirs="scripts lib"
259 if test $want_tests = yes; then
260   subdirs="${subdirs} libtests"
261 fi
262 subdirs="${subdirs} clients doc examples debian"
263
264 if test $want_server = yes; then
265   subdirs="${subdirs} server plugins driver sounds"
266 fi
267 if test $want_cgi = yes; then
268   subdirs="${subdirs} cgi templates images"
269 fi
270 if test $want_gtk = yes; then
271   subdirs="${subdirs} disobedience"
272   if test $want_server = no; then
273     subdirs="${subdirs} images"
274   fi
275 fi
276 if test $want_tests = yes && test $want_python = yes; then
277   AM_PATH_PYTHON([2.4])
278   subdirs="${subdirs} python tests"
279 fi
280 AC_SUBST([subdirs])
281
282 # libtool config
283 AC_LIBTOOL_DLOPEN
284 AC_DISABLE_STATIC
285
286 AC_PROG_LIBTOOL
287
288 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
289   rjk_cv_gnused="not found"
290   for candidate in sed gsed; do
291     if $candidate --version >/dev/null 2>&1; then
292       rjk_cv_gnused=$candidate 
293     fi
294   done
295 ])
296 GNUSED="${GNUSED:-$rjk_cv_gnused}"
297 if test "$GNUSED" = "not found"; then
298   AC_MSG_ERROR([GNU sed is required to build this program])
299 fi
300 AC_SUBST([GNUSED])
301
302 AC_CHECK_PROGS([GROG],[grog])
303 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
304
305 missing_libraries=""
306 missing_headers=""
307 missing_functions=""
308
309 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
310
311 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
312
313 # Macs might have libraries under fink's root
314 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
315 if test "x$FINK" != xnone; then
316   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
317     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
318   ])
319   finkdir="${rjk_cv_finkprefix}"
320   finkbindir="${rjk_cv_finkprefix}/bin"
321   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
322   if test $want_server = yes; then
323     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
324   fi
325   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
326 else
327   finkbindir=""
328 fi
329 AC_SUBST([finkdir])
330 AC_SUBST([finkbindir])
331
332 # Checks for libraries.
333 # We save up a list of missing libraries that we can't do without
334 # and report them all at once.
335 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
336             [missing_libraries="$missing_libraries libgc"])
337 AC_CHECK_LIB(gcrypt, gcry_md_open,
338              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
339             [missing_libraries="$missing_libraries libgcrypt"])
340 AC_CHECK_LIB(pcre, pcre_compile,
341              [AC_SUBST(LIBPCRE,[-lpcre])],
342              [missing_libraries="$missing_libraries libpcre"])
343 if test $want_alsa = yes; then
344   AC_CHECK_LIB([asound], [snd_pcm_open],
345                [AC_SUBST(LIBASOUND,[-lasound])])
346 fi
347 if test $want_server = yes; then
348   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
349                [AC_SUBST(LIBDB,[-ldb])],
350                [missing_libraries="$missing_libraries libdb"])
351   AC_CHECK_LIB(vorbis, vorbis_info_clear,
352                [:],
353                [missing_libraries="$missing_libraries libvorbis"])
354   AC_CHECK_LIB(vorbisfile, ov_open,
355                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
356                [missing_libraries="$missing_libraries libvorbisfile"],
357                [-lvorbis])
358   AC_CHECK_LIB(mad, mad_stream_init,
359                [AC_SUBST(LIBMAD,[-lmad])],
360                [missing_libraries="$missing_libraries libmad"])
361   AC_CHECK_LIB([ao], [ao_initialize],
362                [AC_SUBST(LIBAO,[-lao])],
363                [missing_libraries="$missing_libraries libao"])
364   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
365                [AC_SUBST(LIBFLAC,[-lFLAC])],
366                [missing_libraries="$missing_libraries libFLAC"])
367 fi
368 AC_CHECK_LIB([pthread], [pthread_create],
369              [AC_SUBST(LIBPTHREAD,[-lpthread])],
370              [missing_libraries="$missing_libraries libpthread"])
371
372 if test $want_gtk = yes; then
373   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
374   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
375 fi
376
377 # Some platforms have iconv already
378 AC_CHECK_FUNC(iconv_open, [:],
379               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
380                             [AC_SUBST(LIBICONV,[-liconv])],
381                             [missing_functions="$missing_functions iconv_open"])])
382 AC_CHECK_FUNC([gethostbyname],[:],[
383   AC_CHECK_LIB(nsl,gethostbyname,
384                [AC_SUBST(LIBNSL,[-lnsl])],
385                [missing_functions="$missing_functions gethostbyname"])])
386 AC_CHECK_FUNC([socket],[:],[
387   AC_CHECK_LIB(socket,socket,
388                [AC_SUBST(LIBSOCKET,[-lsocket])],
389                [missing_functions="$missing_functions socket"])])
390 AC_CHECK_FUNC([dlopen],[:],[
391   AC_CHECK_LIB(dl,dlopen,
392                [AC_SUBST(LIBDL,[-ldl])],
393                [missing_functions="$missing_functions dlopen"])])
394
395 if test ! -z "$missing_libraries"; then
396   AC_MSG_ERROR([missing libraries:$missing_libraries])
397 fi
398
399 # Checks for header files.
400 RJK_FIND_GC_H
401 if test $want_oss = yes; then
402   AC_CHECK_HEADERS([sys/soundcard.h])
403 fi
404 if test $want_alsa = yes; then
405   AC_CHECK_HEADERS([alsa/asoundlib.h])
406 fi
407 if test $want_coreaudio = yes; then
408   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
409 fi
410 AC_CHECK_HEADERS([inttypes.h])
411 # We don't bother checking very standard stuff
412 # Compilation will fail if any of these headers are missing, so we
413 # check for them here and fail early.
414 if test $want_server = yes; then
415   AC_CHECK_HEADERS([db.h],[:],[
416     missing_headers="$missing_headers $ac_header"
417   ])
418   AC_CHECK_HEADERS([FLAC/file_decoder.h])
419 fi
420 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
421                  getopt.h iconv.h langinfo.h \
422                  pcre.h sys/ioctl.h \
423                  syslog.h unistd.h],[:],[
424   missing_headers="$missing_headers $ac_header"
425 ])
426
427 if test ! -z "$missing_headers"; then
428   AC_MSG_ERROR([missing headers:$missing_headers])
429 fi
430
431 # We require that libpcre support UTF-8
432 RJK_REQUIRE_PCRE_UTF8([-lpcre])
433
434 # Checks for typedefs, structures, and compiler characteristics.
435 AC_C_CONST
436 AC_TYPE_SIZE_T
437 AC_C_INLINE
438 AC_C_BIGENDIAN
439 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
440 #include <netinet/in.h>])
441
442 # enable -Werror when we check for certain characteristics:
443
444 old_CFLAGS="${CFLAGS}"
445 CFLAGS="${CFLAGS} $gcc_werror"
446 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
447
448 # Some GCC invocations warn for converting function pointers to void *.
449 # This is fair enough, as it's technically forbidden, but we use dlsym()
450 # which can pretty much only exist if object and function pointers are
451 # interconvertable.  So we disable -Werror if need be.
452 if test ! -z "$gcc_werror"; then
453   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
454                  [rjk_cv_function_pointer_cast],[
455     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
456   void somefunction(void);],
457                       [(void *)somefunction])],
458                       [rjk_cv_function_pointer_cast=yes],
459                       [rjk_cv_function_pointer_cast=no])])
460   if test $rjk_cv_function_pointer_cast = no; then
461     gcc_werror=""
462   fi
463 fi
464
465 CFLAGS="${old_CFLAGS}"
466
467 # gcrypt maintainers keep changing everything.  Design your interface
468 # first, then implement it once, rather than getting it wrong three or
469 # four times and shipping between each attempt.
470 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
471                [rjk_cv_gcrypt_hash_handle],[
472   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
473 #include <gcrypt.h>
474 ],
475                [gcry_md_hd_t h;])],
476                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
477     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
478 #include <gcrypt.h>
479 ],
480                  [GcryMDHd h;])],
481                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
482                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
483 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
484                    [libgcrypt hash handle type])
485
486 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
487                [rjk_cv_have_gcry_error_t],[
488   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
489 #include <gcrypt.h>
490 ],
491                  [gcry_error_t e;])],
492                  [rjk_cv_have_gcry_error_t=yes],
493                  [rjk_cv_have_gcry_error_t=no])])
494 if test $rjk_cv_have_gcry_error_t = yes; then
495   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
496 fi
497
498 # Checks for functions
499 if test $ac_cv_type_long_long = yes; then
500   AC_CHECK_FUNCS([atoll strtoll],[:],[
501     missing_functions="$missing_functions $ac_func"
502   ])
503   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
504   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
505                  [rjk_cv_strtoll_declared],[
506     AC_EGREP_HEADER([strtoll], [stdlib.h],
507                     [rjk_cv_strtoll_declared=yes],
508                     [rjk_cv_strtoll_declared=no])])
509   if test $rjk_cv_strtoll_declared = yes; then
510     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
511   fi
512   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
513                  [rjk_cv_atoll_declared],[
514     AC_EGREP_HEADER([atoll], [stdlib.h],
515                     [rjk_cv_atoll_declared=yes],
516                     [rjk_cv_atoll_declared=no])])
517   if test $rjk_cv_atoll_declared = yes; then
518     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
519   fi
520 fi
521 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
522   missing_functions="$missing_functions $ac_func"
523 ])
524 # fsync will do if fdatasync not available
525 AC_CHECK_FUNCS([fdatasync],[:],[
526   AC_CHECK_FUNCS([fsync],
527                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
528                  [missing_functions="$missing_functions fdatasync"])])
529 if test ! -z "$missing_functions"; then
530   AC_MSG_ERROR([missing functions:$missing_functions])
531 fi
532
533 # Functions we can take or leave
534 AC_CHECK_FUNCS([fls])
535
536 if test $want_server = yes; then
537   # <db.h> had better be version 3 or later
538   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
539     AC_PREPROC_IFELSE([
540                        #include <db.h>
541                        #ifndef DB_VERSION_MAJOR
542                        # error cannot determine db version
543                        #endif
544                        #if DB_VERSION_MAJOR < 4
545                        # error inadequate db version
546                        #endif
547                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
548                        # error inadequate db version
549                        #endif
550                       ],
551                       [rjk_cv_db_version=ok],
552                       [rjk_cv_db_version=inadequate])
553   ])
554   if test $rjk_cv_db_version != ok; then
555     AC_MSG_ERROR([need db.h version at least 4.2])
556   fi
557 fi
558
559 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
560 if test $want_gtk = yes; then
561   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
562 fi
563
564 if test "x$GCC" = xyes; then
565   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
566   # by default.
567   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
568     AC_TRY_COMPILE([#include <limits.h>],[
569       long long n = LLONG_MAX;
570     ],[rjk_cv_cstd=default],[
571       old_CC="$CC"
572       CC="${CC} -std=gnu99"
573       AC_TRY_COMPILE([#include <limits.h>],[
574         long long n = LLONG_MAX;
575       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
576       CC="$old_CC"
577     ])
578   ])
579   case $rjk_cv_cstd in
580   default | unknown )
581     ;;
582   * )
583     CC="${CC} -std=${rjk_cv_cstd}"
584     ;;
585   esac
586
587   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
588   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
589     old_CC="$CC"
590     if test $GCC = yes; then
591       CC="$CC -Wall -Werror"
592     fi
593     AC_COMPILE_IFELSE([
594       static int x(char *f) {
595        return *f;
596       }
597       int z(const char *g) {
598         return x((char *)g);
599       }],
600       [rjk_cv_pr29478=no],
601       [rjk_cv_pr29478=yes]
602     )
603     CC="$old_CC"
604   ])
605   if test $rjk_cv_pr29478 = yes; then
606     gcc_werror=''
607   fi
608
609   # a reasonable default set of warnings
610   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
611         -Wwrite-strings -Wmissing-prototypes \
612         -Wmissing-declarations -Wnested-externs"
613
614   # Fix up GTK+ and GLib compiler flags
615   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
616   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
617
618   if test "$gcc_werror" != ''; then
619     # GCC 2.95 doesn't know to ignore warnings from system headers
620     AC_CACHE_CHECK([whether -Werror is usable],
621                     rjk_cv_werror, [
622       save_CFLAGS="${CFLAGS}"
623       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
624       AC_TRY_COMPILE([#if WITH_GTK
625  #include <gtk/gtk.h>
626 #endif
627
628 struct s { int a, b; };
629 const struct s sv = { .a = 1 };],
630                      [],
631                      [rjk_cv_werror=yes],
632                      [rjk_cv_werror=no])
633       CFLAGS="${save_CFLAGS}"
634     ])
635     if test $rjk_cv_werror = no; then
636       gcc_werror=''
637     fi
638   fi
639   CC="${CC} $gcc_werror"
640
641   # for older GCCs that don't know %ju (etc)
642   AC_CACHE_CHECK([whether -Wno-format is required],
643                  rjk_cv_noformat,
644                  AC_TRY_COMPILE([#include <stdio.h>
645 #include <stdint.h>
646 ],
647                                 [printf("%ju", (uintmax_t)0);],
648                                 [rjk_cv_noformat=no],
649                                 [rjk_cv_noformat=yes]))
650   if test $rjk_cv_noformat = yes; then
651     CC="${CC} -Wno-format"
652   fi
653
654   AC_CACHE_CHECK([whether -Wshadow is OK],
655                  rjk_cv_shadow,
656                  oldCC="${CC}"
657                  CC="${CC} -Wshadow"
658                  [AC_TRY_COMPILE([
659 #include <unistd.h>
660 #include <vorbis/vorbisfile.h>
661 ],
662                                 [],
663                                 [rjk_cv_shadow=yes],
664                                 [rjk_cv_shadow=no])
665                  CC="${oldCC}"])
666   if test $rjk_cv_shadow = yes; then
667     CC="${CC} -Wshadow"
668   fi
669 fi
670
671 RJK_GCOV
672
673 AH_BOTTOM([#ifdef __GNUC__
674 # define attribute(x) __attribute__(x)
675 #else
676 # define attribute(x)
677 #endif])
678
679 AC_CONFIG_FILES([Makefile
680                  images/Makefile
681                  scripts/Makefile
682                  lib/Makefile
683                  server/Makefile
684                  cgi/Makefile
685                  clients/Makefile
686                  disobedience/Makefile
687                  doc/Makefile
688                  templates/Makefile
689                  plugins/Makefile
690                  driver/Makefile
691                  debian/Makefile
692                  sounds/Makefile
693                  python/Makefile
694                  examples/Makefile
695                  libtests/Makefile
696                  tests/Makefile])
697 AC_OUTPUT
698
699 if test $GCC = yes && test "$gcc_werror" = ''; then
700   AC_MSG_WARN([building without -Werror])
701 fi
702 if test $want_python = no; then
703   AC_MSG_WARN([cannot run the test suit without Python])
704 fi
705
706 # Local Variables:
707 # indent-tabs-mode:nil
708 # End: