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[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) 2004-2009 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 3 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,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 # GNU 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, see <http://www.gnu.org/licenses/>.
19 #
20
21 AC_INIT([disorder], [4.3+], [richard+disorder@sfere.greenend.org.uk])
22 AC_CONFIG_AUX_DIR([config.aux])
23 AM_INIT_AUTOMAKE(disorder, [4.3+])
24 AC_CONFIG_SRCDIR([server/disorderd.c])
25 AM_CONFIG_HEADER([config.h])
26
27 # Find host type
28 AC_CANONICAL_HOST
29
30 # What we want to build
31 want_gtk=yes
32 want_python=yes
33 want_tests=yes
34 want_server=yes
35 want_cgi=yes
36
37 # APIs we want
38 want_alsa=yes
39 want_oss=yes
40 want_coreaudio=yes
41
42 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
43 #
44 # Disobedience can be built to a native OS X application.  There are some
45 # caveats:
46 #  - you will still need Fink (or something) for other libraries
47 #  - if you wanted an application bundle you are out of luck
48 #  - the menu bar is still in the main window (not at the top of the screen)
49 #
50 # So it's still rather rough and ready.  But it does work...
51 #
52 # See:
53 #   http://www.gtk-osx.org/
54 #   http://live.gnome.org/GTK%2B/OSX/Framework
55 want_gtkosx=no
56
57 # Checks for programs.
58 AC_PROG_CC
59 AM_PROG_CC_C_O
60 AC_PROG_AWK
61 AC_SET_MAKE
62 if test "x$GCC" = xyes; then
63   gcc_werror=-Werror
64   case "$CC" in
65   *-std=* )
66     ;;
67   * )
68     CC="${CC} -std=gnu99"
69     ;;
70   esac
71 else
72   AC_MSG_ERROR([GNU C is required to build this program])
73   gcc_werror=""
74 fi
75
76 AC_ARG_WITH([alsa],
77             [AS_HELP_STRING([--without-alsa],
78                             [do not build with ALSA support])],
79             [want_alsa=$withval])
80 AC_ARG_WITH([oss],
81             [AS_HELP_STRING([--without-oss],
82                             [do not build with OSS support])],
83             [want_oss=$withval])
84 AC_ARG_WITH([coreaudio],
85             [AS_HELP_STRING([--without-coreaudio],
86                             [do not build with Core Audio support])],
87             [want_coreaudio=$withval])
88 AC_ARG_WITH([tests],
89             [AS_HELP_STRING([--without-tests],
90                             [do not build test suit])],
91             [want_tests=$withval])
92 AC_ARG_WITH([gtk-osx],
93             [AS_HELP_STRING([--with-gtk-osx],
94                             [use native GTK+])],
95             [want_gtkosx=$withval])
96
97 AC_MSG_CHECKING([for a known target platform])
98 case "$host" in
99 *empeg* )
100   AC_MSG_RESULT([empeg car stereo])
101   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
102   # work around broken toolchain
103   AC_CHECK_LIB([gpg-error], [gpg_strerror])
104   AC_CHECK_LIB([pthread], [pthread_create])
105   want_server=no
106   want_cgi=no
107  ;;
108 *linux* | *Linux* )
109   AC_MSG_RESULT([Linux])
110   ;;
111 *-apple-darwin* )
112   AC_MSG_RESULT([Mac OS X])
113   if test $want_coreaudio = yes; then
114     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
115   fi
116   browser=open
117   AC_MSG_CHECKING([Mac OS X target version])
118   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
119   # behaviour.  But we provide a command line option to override it and
120   # we default to wide support instead of supporting only the build platform.
121   #
122   # Currently if you ask for 10.5 you will get a deprecation warning
123   # when building the CoreAudio support code.  For the time being the
124   # answer to this is "don't do that then".  If a good reason to ask
125   # for a 10.5 deployment target emerges then this will be fixed.
126   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
127     MACOSX_DEPLOYMENT_TARGET=10.0
128   fi
129   AC_ARG_WITH([deployment-target],
130               [AS_HELP_STRING([--with-deployment-target=TARGET],
131                               [set target OS X version])],
132               [MACOSX_DEPLOYMENT_TARGET=$withval])
133   # Convert to desired format
134   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
135   minver="MAC_OS_X_VERSION_$underscored"
136   AC_MSG_RESULT([$minver])
137   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
138                      [define to minimum version of Mac OS X to support])
139
140   if test $want_gtkosx = no; then
141     # Fink's GTK+ is hopelessly broken
142     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
143     export PKG_CONFIG_PATH
144   fi
145
146   ;;
147 *-freebsd* )
148   AC_MSG_RESULT([FreeBSD])
149   # Ports install to /usr/local but the compiler stupidly doesn't look
150   # there by default
151   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
152   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
153   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
154   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
155     rjk_cv_libdb="none"
156     for db in db43 db44 db45 db46; do
157       if test -e /usr/local/lib/$db; then
158         rjk_cv_libdb=$db
159         break
160       fi
161     done
162   ])
163   if test $rjk_cv_libdb != none; then
164     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
165     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
166   fi
167   ;;
168 * )
169   AC_MSG_RESULT([unknown, winging it])
170   ;;
171 esac
172 AC_SUBST([COREAUDIO])
173
174 AC_ARG_WITH([browser],
175             [AS_HELP_STRING([--with-browser=BROWSER],
176                             [use BROWSER to display HTML])],
177             [browser=$withval])
178
179 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
180   rjk_cv_browser=UNKNOWN
181   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
182     if type $candidate >/dev/null 2>&1; then
183       rjk_cv_browser="$candidate"
184       break
185     fi
186   done
187 ])
188 if test -z "$browser"; then
189   browser="$rjk_cv_browser"
190 fi
191 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
192
193 # Figure out what version of sox is installed
194 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
195   rjk_cv_soxver=UNKNOWN
196   if sox --version > /dev/null 2>&1; then
197     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
198   else
199     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
200   fi
201 ])
202
203 # Decide what command line options to use
204 #
205 # sox version   endian     bits       deployed
206 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
207 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
208 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
209 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
210
211 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
212   case $rjk_cv_soxver in
213   [[0-9]].* | 1[[0123]].* )
214     rjk_cv_soxgen=0
215     ;;
216   * )
217     rjk_cv_soxgen=1
218     ;;
219   esac
220 ])
221 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
222                    [default sox generation])
223
224 AC_ARG_WITH([server],
225             [AS_HELP_STRING([--without-server],
226                             [do not build server])],
227             [want_server=$withval])
228 AC_ARG_WITH([cgi],
229             [AS_HELP_STRING([--without-cgi],
230                             [do not build CGI])],
231             [want_cgi=$withval])
232 AC_ARG_WITH([gtk],
233             [AS_HELP_STRING([--without-gtk],
234                             [do not build GTK+ client])],
235             [want_gtk=$withval])
236 AC_ARG_WITH([python],
237             [AS_HELP_STRING([--without-python],
238                             [do not build Python support])],
239             [want_python=$withval])
240
241 if test $want_server = no; then
242   want_cgi=no
243 fi
244
245 #
246 # OS          Document Root                  CGI directory
247 # ==          =============                  =============
248 # Debian      /var/www                       /usr/lib/cgi-bin
249 # Ubuntu      /var/www                       /usr/lib/cgi-bin
250 # Red Hat     /var/www/html                  /var/www/cgi-bin
251 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
252 # Slackware   /var/www/htdocs                (unknown)
253 # SuSE        /srv/www/html                  /srv/www/cgi-bin
254 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
255 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
256 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
257 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
258 # Apache      /usr/local/apache/htdocs       (none)
259 #
260 # Sources:
261 #   http://wiki.linuxquestions.org/wiki/Apache
262 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
263 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
264 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
265 #   http://httpd.apache.org/docs/
266 #
267 if test $want_cgi = yes; then
268   if test -z "$httpdir"; then
269     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
270       rjk_cv_httpdir="not found"
271       for dir in /var/www/html \
272                  /var/www/htdocs \
273                  /var/www/localhost/htdocs \
274                  /var/www \
275                  /home/httpd/html \
276                  /srv/www/html \
277                  /usr/local/www/data \
278                  /usr/local/www/*/data \
279                  /Library/WebServer/Documents \
280                  /usr/local/apache/htdocs; do
281         if test -d "$dir"; then
282           rjk_cv_httpdir="$dir"
283         fi
284       done
285     ])
286     if test "$rjk_cv_cgiexecdir" = "not found"; then
287       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
288     fi
289     httpdir="$rjk_cv_httpdir"
290   fi
291   if test ! -z "$cgidir"; then
292     # This is a bit harsh but should stop any disasters
293     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
294   fi
295   if test -z "$cgiexecdir"; then
296     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
297       rjk_cv_cgiexecdir="not found"
298       for dir in /usr/lib/cgi-bin \
299                  /Library/WebServer/CGI-Executables \
300                  /srv/www/cgi-bin \
301                  /var/www/cgi-bin \
302                  /home/httpd/cgi-bin \
303                  /var/www/localhost/cgi-bin \
304                  /usr/local/lib/cgi-bin \
305                  /usr/local/www/cgi-bin \
306                  /usr/local/www/*/cgi-bin; do
307         if test -d "$dir"; then
308           rjk_cv_cgiexecdir="$dir"
309           break
310         fi
311       done
312     ])
313     if test "$rjk_cv_cgiexecdir" = "not found"; then
314       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
315     fi
316     cgiexecdir="$rjk_cv_cgiexecdir"
317   fi
318 fi
319 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
320 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
321 if test -z "$pkghttpdir"; then
322   pkghttpdir='$(httpdir)/disorder'
323 fi
324 AC_SUBST([pkghttpdir])
325
326 subdirs="scripts lib"
327 if test $want_tests = yes; then
328   subdirs="${subdirs} libtests"
329 fi
330 subdirs="${subdirs} clients doc examples debian"
331
332 if test $want_server = yes; then
333   subdirs="${subdirs} server plugins driver sounds"
334 fi
335 if test $want_cgi = yes; then
336   subdirs="${subdirs} cgi templates images"
337 fi
338 if test $want_gtk = yes; then
339   subdirs="${subdirs} disobedience"
340   if test $want_server = no; then
341     subdirs="${subdirs} images"
342   fi
343 fi
344 if test $want_tests = yes && test $want_python = yes; then
345   AM_PATH_PYTHON([2.5])
346   subdirs="${subdirs} python tests"
347 fi
348 AC_SUBST([subdirs])
349
350 # libtool config
351 AC_LIBTOOL_DLOPEN
352 AC_DISABLE_STATIC
353
354 AC_PROG_LIBTOOL
355
356 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
357   rjk_cv_gnused="not found"
358   for candidate in sed gsed; do
359     if $candidate --version >/dev/null 2>&1; then
360       rjk_cv_gnused=$candidate 
361     fi
362   done
363 ])
364 GNUSED="${GNUSED:-$rjk_cv_gnused}"
365 if test "$GNUSED" = "not found"; then
366   AC_MSG_ERROR([GNU sed is required to build this program])
367 fi
368 AC_SUBST([GNUSED])
369
370 AC_CHECK_PROGS([GROG],[grog])
371 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
372
373 missing_libraries=""
374 missing_headers=""
375 missing_functions=""
376
377 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
378
379 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
380
381 # Macs might have libraries under fink's root
382 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
383 if test "x$FINK" != xnone; then
384   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
385     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
386   ])
387   finkdir="${rjk_cv_finkprefix}"
388   finkbindir="${rjk_cv_finkprefix}/bin"
389   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
390   if test $want_server = yes; then
391     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
392   fi
393   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
394 else
395   finkbindir=""
396 fi
397 AC_SUBST([finkdir])
398 AC_SUBST([finkbindir])
399
400 # Checks for libraries.
401 # We save up a list of missing libraries that we can't do without
402 # and report them all at once.
403 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
404             [missing_libraries="$missing_libraries libgc"])
405 AC_CHECK_LIB(gcrypt, gcry_md_open,
406              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
407             [missing_libraries="$missing_libraries libgcrypt"])
408 AC_CHECK_LIB(pcre, pcre_compile,
409              [AC_SUBST(LIBPCRE,[-lpcre])],
410              [missing_libraries="$missing_libraries libpcre"])
411 if test $want_alsa = yes; then
412   AC_CHECK_LIB([asound], [snd_pcm_open],
413                [AC_SUBST(LIBASOUND,[-lasound])])
414 fi
415 if test $want_server = yes; then
416   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
417                [AC_SUBST(LIBDB,[-ldb])],
418                [missing_libraries="$missing_libraries libdb"])
419   AC_CHECK_LIB(vorbis, vorbis_info_clear,
420                [:],
421                [missing_libraries="$missing_libraries libvorbis"])
422   AC_CHECK_LIB(vorbisfile, ov_open,
423                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
424                [missing_libraries="$missing_libraries libvorbisfile"],
425                [-lvorbis])
426   AC_CHECK_LIB(mad, mad_stream_init,
427                [AC_SUBST(LIBMAD,[-lmad])],
428                [missing_libraries="$missing_libraries libmad"])
429   AC_CHECK_LIB([ao], [ao_initialize],
430                [AC_SUBST(LIBAO,[-lao])],
431                [missing_libraries="$missing_libraries libao"])
432   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
433                [AC_SUBST(LIBFLAC,[-lFLAC])],
434                [missing_libraries="$missing_libraries libFLAC"])
435 fi
436 AC_CHECK_LIB([pthread], [pthread_create],
437              [AC_SUBST(LIBPTHREAD,[-lpthread])],
438              [missing_libraries="$missing_libraries libpthread"])
439
440 if test $want_gtk = yes; then
441   if test $want_gtkosx = yes; then
442     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
443     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
444     GTK_LIBS="-framework Gtk -framework GLib"
445   else
446     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
447     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
448   fi
449 fi
450
451 # Some platforms have iconv already
452 AC_CHECK_FUNC(iconv_open, [:],
453               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
454                             [AC_SUBST(LIBICONV,[-liconv])],
455                             [missing_functions="$missing_functions iconv_open"])])
456 AC_CHECK_FUNC([gethostbyname],[:],[
457   AC_CHECK_LIB(nsl,gethostbyname,
458                [AC_SUBST(LIBNSL,[-lnsl])],
459                [missing_functions="$missing_functions gethostbyname"])])
460 AC_CHECK_FUNC([socket],[:],[
461   AC_CHECK_LIB(socket,socket,
462                [AC_SUBST(LIBSOCKET,[-lsocket])],
463                [missing_functions="$missing_functions socket"])])
464 AC_CHECK_FUNC([dlopen],[:],[
465   AC_CHECK_LIB(dl,dlopen,
466                [AC_SUBST(LIBDL,[-ldl])],
467                [missing_functions="$missing_functions dlopen"])])
468
469 if test ! -z "$missing_libraries"; then
470   AC_MSG_ERROR([missing libraries:$missing_libraries])
471 fi
472
473 # Checks for header files.
474 RJK_FIND_GC_H
475 if test $want_oss = yes; then
476   AC_CHECK_HEADERS([sys/soundcard.h])
477 fi
478 if test $want_alsa = yes; then
479   AC_CHECK_HEADERS([alsa/asoundlib.h])
480 fi
481 if test $want_coreaudio = yes; then
482   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
483 fi
484 AC_CHECK_HEADERS([inttypes.h])
485 # We don't bother checking very standard stuff
486 # Compilation will fail if any of these headers are missing, so we
487 # check for them here and fail early.
488 if test $want_server = yes; then
489   AC_CHECK_HEADERS([db.h],[:],[
490     missing_headers="$missing_headers $ac_header"
491   ])
492   AC_CHECK_HEADERS([FLAC/file_decoder.h])
493 fi
494 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
495                  getopt.h iconv.h langinfo.h \
496                  pcre.h sys/ioctl.h \
497                  syslog.h unistd.h],[:],[
498   missing_headers="$missing_headers $ac_header"
499 ])
500
501 if test ! -z "$missing_headers"; then
502   AC_MSG_ERROR([missing headers:$missing_headers])
503 fi
504
505 # We require that libpcre support UTF-8
506 RJK_REQUIRE_PCRE_UTF8([-lpcre])
507
508 # Checks for typedefs, structures, and compiler characteristics.
509 AC_C_CONST
510 AC_TYPE_SIZE_T
511 AC_C_INLINE
512 AC_C_BIGENDIAN
513 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
514 #include <netinet/in.h>])
515
516 # enable -Werror when we check for certain characteristics:
517
518 old_CFLAGS="${CFLAGS}"
519 CFLAGS="${CFLAGS} $gcc_werror"
520 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
521
522 # Some GCC invocations warn for converting function pointers to void *.
523 # This is fair enough, as it's technically forbidden, but we use dlsym()
524 # which can pretty much only exist if object and function pointers are
525 # interconvertable.  So we disable -Werror if need be.
526 if test ! -z "$gcc_werror"; then
527   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
528                  [rjk_cv_function_pointer_cast],[
529     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
530   void somefunction(void);],
531                       [(void *)somefunction])],
532                       [rjk_cv_function_pointer_cast=yes],
533                       [rjk_cv_function_pointer_cast=no])])
534   if test $rjk_cv_function_pointer_cast = no; then
535     gcc_werror=""
536   fi
537 fi
538
539 CFLAGS="${old_CFLAGS}"
540
541 # gcrypt maintainers keep changing everything.  Design your interface
542 # first, then implement it once, rather than getting it wrong three or
543 # four times and shipping between each attempt.
544 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
545                [rjk_cv_gcrypt_hash_handle],[
546   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
547 #include <gcrypt.h>
548 ],
549                [gcry_md_hd_t h;])],
550                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
551     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
552 #include <gcrypt.h>
553 ],
554                  [GcryMDHd h;])],
555                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
556                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
557 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
558                    [libgcrypt hash handle type])
559
560 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
561                [rjk_cv_have_gcry_error_t],[
562   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
563 #include <gcrypt.h>
564 ],
565                  [gcry_error_t e;])],
566                  [rjk_cv_have_gcry_error_t=yes],
567                  [rjk_cv_have_gcry_error_t=no])])
568 if test $rjk_cv_have_gcry_error_t = yes; then
569   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
570 fi
571
572 # Checks for functions
573 if test $ac_cv_type_long_long = yes; then
574   AC_CHECK_FUNCS([atoll strtoll],[:],[
575     missing_functions="$missing_functions $ac_func"
576   ])
577   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
578   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
579                  [rjk_cv_strtoll_declared],[
580     AC_EGREP_HEADER([strtoll], [stdlib.h],
581                     [rjk_cv_strtoll_declared=yes],
582                     [rjk_cv_strtoll_declared=no])])
583   if test $rjk_cv_strtoll_declared = yes; then
584     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
585   fi
586   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
587                  [rjk_cv_atoll_declared],[
588     AC_EGREP_HEADER([atoll], [stdlib.h],
589                     [rjk_cv_atoll_declared=yes],
590                     [rjk_cv_atoll_declared=no])])
591   if test $rjk_cv_atoll_declared = yes; then
592     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
593   fi
594 fi
595 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
596   missing_functions="$missing_functions $ac_func"
597 ])
598 # fsync will do if fdatasync not available
599 AC_CHECK_FUNCS([fdatasync],[:],[
600   AC_CHECK_FUNCS([fsync],
601                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
602                  [missing_functions="$missing_functions fdatasync"])])
603 if test ! -z "$missing_functions"; then
604   AC_MSG_ERROR([missing functions:$missing_functions])
605 fi
606
607 # Functions we can take or leave
608 AC_CHECK_FUNCS([fls])
609
610 if test $want_server = yes; then
611   # <db.h> had better be version 3 or later
612   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
613     AC_PREPROC_IFELSE([
614                        #include <db.h>
615                        #ifndef DB_VERSION_MAJOR
616                        # error cannot determine db version
617                        #endif
618                        #if DB_VERSION_MAJOR < 4
619                        # error inadequate db version
620                        #endif
621                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
622                        # error inadequate db version
623                        #endif
624                       ],
625                       [rjk_cv_db_version=ok],
626                       [rjk_cv_db_version=inadequate])
627     if test $rjk_cv_db_version = ok; then
628       AC_PREPROC_IFELSE([
629                          #include <db.h>
630                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
631                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
632                          #endif
633                         ],
634                         [rjk_cv_db_version=ok],
635                         [rjk_cv_db_version=toxic])
636     fi
637   ])
638   case $rjk_cv_db_version in
639   ok )
640     ;;
641   inadequate )
642     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
643     ;;
644   toxic )
645     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
646     ;;
647   esac
648 fi
649
650 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
651 if test $want_gtk = yes; then
652   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
653 fi
654
655 if test "x$GCC" = xyes; then
656   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
657   # by default.
658   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
659     AC_TRY_COMPILE([#include <limits.h>],[
660       long long n = LLONG_MAX;
661     ],[rjk_cv_cstd=default],[
662       old_CC="$CC"
663       CC="${CC} -std=gnu99"
664       AC_TRY_COMPILE([#include <limits.h>],[
665         long long n = LLONG_MAX;
666       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
667       CC="$old_CC"
668     ])
669   ])
670   case $rjk_cv_cstd in
671   default | unknown )
672     ;;
673   * )
674     CC="${CC} -std=${rjk_cv_cstd}"
675     ;;
676   esac
677
678   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
679   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
680     old_CC="$CC"
681     if test $GCC = yes; then
682       CC="$CC -Wall -Werror"
683     fi
684     AC_COMPILE_IFELSE([
685       static int x(char *f) {
686        return *f;
687       }
688       int z(const char *g) {
689         return x((char *)g);
690       }],
691       [rjk_cv_pr29478=no],
692       [rjk_cv_pr29478=yes]
693     )
694     CC="$old_CC"
695   ])
696   if test $rjk_cv_pr29478 = yes; then
697     gcc_werror=''
698   fi
699
700   # a reasonable default set of warnings
701   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
702         -Wwrite-strings -Wmissing-prototypes \
703         -Wmissing-declarations -Wnested-externs"
704
705   # Fix up GTK+ and GLib compiler flags
706   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
707   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
708
709   if test "$gcc_werror" != ''; then
710     # GCC 2.95 doesn't know to ignore warnings from system headers
711     AC_CACHE_CHECK([whether -Werror is usable],
712                     rjk_cv_werror, [
713       save_CFLAGS="${CFLAGS}"
714       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
715       AC_TRY_COMPILE([#if WITH_GTK
716  #include <gtk/gtk.h>
717 #endif
718
719 struct s { int a, b; };
720 const struct s sv = { .a = 1 };],
721                      [],
722                      [rjk_cv_werror=yes],
723                      [rjk_cv_werror=no])
724       CFLAGS="${save_CFLAGS}"
725     ])
726     if test $rjk_cv_werror = no; then
727       gcc_werror=''
728     fi
729   fi
730   CC="${CC} $gcc_werror"
731
732   # for older GCCs that don't know %ju (etc)
733   AC_CACHE_CHECK([whether -Wno-format is required],
734                  rjk_cv_noformat,
735                  AC_TRY_COMPILE([#include <stdio.h>
736 #include <stdint.h>
737 ],
738                                 [printf("%ju", (uintmax_t)0);],
739                                 [rjk_cv_noformat=no],
740                                 [rjk_cv_noformat=yes]))
741   if test $rjk_cv_noformat = yes; then
742     CC="${CC} -Wno-format"
743   fi
744
745   AC_CACHE_CHECK([whether -Wshadow is OK],
746                  rjk_cv_shadow,
747                  oldCC="${CC}"
748                  CC="${CC} -Wshadow"
749                  [AC_TRY_COMPILE([
750 #include <unistd.h>
751 #include <vorbis/vorbisfile.h>
752 ],
753                                 [],
754                                 [rjk_cv_shadow=yes],
755                                 [rjk_cv_shadow=no])
756                  CC="${oldCC}"])
757   if test $rjk_cv_shadow = yes; then
758     CC="${CC} -Wshadow"
759   fi
760 fi
761
762 RJK_GCOV
763
764 AH_BOTTOM([#ifdef __GNUC__
765 # define attribute(x) __attribute__(x)
766 #else
767 # define attribute(x)
768 #endif])
769
770 AC_CONFIG_FILES([Makefile
771                  images/Makefile
772                  scripts/Makefile
773                  lib/Makefile
774                  server/Makefile
775                  cgi/Makefile
776                  clients/Makefile
777                  disobedience/Makefile
778                  doc/Makefile
779                  templates/Makefile
780                  plugins/Makefile
781                  driver/Makefile
782                  debian/Makefile
783                  sounds/Makefile
784                  python/Makefile
785                  examples/Makefile
786                  libtests/Makefile
787                  tests/Makefile])
788 AC_OUTPUT
789
790 if test $GCC = yes && test "$gcc_werror" = ''; then
791   AC_MSG_WARN([building without -Werror])
792 fi
793 if test $want_python = no; then
794   AC_MSG_WARN([cannot run the test suit without Python])
795 fi
796
797 # Local Variables:
798 # indent-tabs-mode:nil
799 # End: