chiark / gitweb /
Use hands-off reader in MP3 decoding.
[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) 2004-2010 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], [5.0], [richard+disorder@sfere.greenend.org.uk])
22 AC_CONFIG_AUX_DIR([config.aux])
23 AM_INIT_AUTOMAKE(disorder, [5.0])
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=$withval])
92 AC_ARG_WITH([gtk-osx],
93             [AS_HELP_STRING([--with-gtk-osx],
94                             [use native GTK+ (OS X only)])],
95             [want_gtkosx=$withval])
96
97 AC_MSG_CHECKING([for a known target platform])
98 case "$host" in
99 *empeg* )
100   AC_MSG_RESULT([empeg car stereo])
101   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
102   # work around broken toolchain
103   AC_CHECK_LIB([gpg-error], [gpg_strerror])
104   AC_CHECK_LIB([pthread], [pthread_create])
105   want_server=no
106   want_cgi=no
107  ;;
108 *linux* | *Linux* )
109   AC_MSG_RESULT([Linux])
110   ;;
111 *-apple-darwin* )
112   AC_MSG_RESULT([Mac OS X])
113   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
114   # so we'll just turn off the warning.
115   CC="$CC -Wno-deprecated-declarations"
116   if test $want_coreaudio = yes; then
117     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
118   fi
119   browser=open
120   AC_MSG_CHECKING([Mac OS X target version])
121   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
122   # behaviour.  But we provide a command line option to override it and
123   # we default to wide support instead of supporting only the build platform.
124   #
125   # Currently if you ask for 10.5 you will get a deprecation warning
126   # when building the CoreAudio support code.  For the time being the
127   # answer to this is "don't do that then".  If a good reason to ask
128   # for a 10.5 deployment target emerges then this will be fixed.
129   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
130     MACOSX_DEPLOYMENT_TARGET=10.0
131   fi
132   AC_ARG_WITH([deployment-target],
133               [AS_HELP_STRING([--with-deployment-target=TARGET],
134                               [set target OS X version])],
135               [MACOSX_DEPLOYMENT_TARGET=$withval])
136   # Convert to desired format
137   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
138   minver="MAC_OS_X_VERSION_$underscored"
139   AC_MSG_RESULT([$minver])
140   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
141                      [define to minimum version of Mac OS X to support])
142
143   if test $want_gtkosx = no; then
144     # Fink's GTK+ is hopelessly broken
145     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
146     export PKG_CONFIG_PATH
147   fi
148
149   ;;
150 *-freebsd* )
151   AC_MSG_RESULT([FreeBSD])
152   # Ports install to /usr/local but the compiler stupidly doesn't look
153   # there by default
154   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
155   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
156   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
157   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
158     rjk_cv_libdb="none"
159     for db in db43 db44 db45 db46; do
160       if test -e /usr/local/lib/$db; then
161         rjk_cv_libdb=$db
162         break
163       fi
164     done
165   ])
166   if test $rjk_cv_libdb != none; then
167     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
168     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
169   fi
170   ;;
171 * )
172   AC_MSG_RESULT([unknown, winging it])
173   ;;
174 esac
175 AC_SUBST([COREAUDIO])
176
177 AC_ARG_WITH([browser],
178             [AS_HELP_STRING([--with-browser=BROWSER],
179                             [use BROWSER to display HTML])],
180             [browser=$withval])
181
182 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
183   rjk_cv_browser=UNKNOWN
184   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
185     if type $candidate >/dev/null 2>&1; then
186       rjk_cv_browser="$candidate"
187       break
188     fi
189   done
190 ])
191 if test -z "$browser"; then
192   browser="$rjk_cv_browser"
193 fi
194 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
195
196 # Figure out what version of sox is installed
197 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
198   rjk_cv_soxver=UNKNOWN
199   if sox --version > /dev/null 2>&1; then
200     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
201   else
202     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
203   fi
204 ])
205
206 # Decide what command line options to use
207 #
208 # sox version   endian     bits       deployed
209 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
210 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
211 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
212 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
213
214 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
215   case $rjk_cv_soxver in
216   [[0-9]].* | 1[[0123]].* )
217     rjk_cv_soxgen=0
218     ;;
219   * )
220     rjk_cv_soxgen=1
221     ;;
222   esac
223 ])
224 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
225                    [default sox generation])
226
227 AC_ARG_WITH([server],
228             [AS_HELP_STRING([--without-server],
229                             [do not build server])],
230             [want_server=$withval])
231 AC_ARG_WITH([cgi],
232             [AS_HELP_STRING([--without-cgi],
233                             [do not build CGI])],
234             [want_cgi=$withval])
235 AC_ARG_WITH([gtk],
236             [AS_HELP_STRING([--without-gtk],
237                             [do not build GTK+ client])],
238             [want_gtk=$withval])
239 AC_ARG_WITH([python],
240             [AS_HELP_STRING([--without-python],
241                             [do not build Python support])],
242             [want_python=$withval])
243
244 if test $want_server = no; then
245   want_cgi=no
246 fi
247
248 #
249 # OS          Document Root                  CGI directory
250 # ==          =============                  =============
251 # Debian      /var/www                       /usr/lib/cgi-bin
252 # Ubuntu      /var/www                       /usr/lib/cgi-bin
253 # Red Hat     /var/www/html                  /var/www/cgi-bin
254 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
255 # Slackware   /var/www/htdocs                (unknown)
256 # SuSE        /srv/www/html                  /srv/www/cgi-bin
257 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
258 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
259 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
260 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
261 # Apache      /usr/local/apache/htdocs       (none)
262 #
263 # Sources:
264 #   http://wiki.linuxquestions.org/wiki/Apache
265 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
266 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
267 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
268 #   http://httpd.apache.org/docs/
269 #
270 if test $want_cgi = yes; then
271   if test -z "$httpdir"; then
272     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
273       rjk_cv_httpdir="not found"
274       for dir in /var/www/html \
275                  /var/www/htdocs \
276                  /var/www/localhost/htdocs \
277                  /var/www \
278                  /home/httpd/html \
279                  /srv/www/html \
280                  /usr/local/www/data \
281                  /usr/local/www/*/data \
282                  /Library/WebServer/Documents \
283                  /usr/local/apache/htdocs; do
284         if test -d "$dir"; then
285           rjk_cv_httpdir="$dir"
286         fi
287       done
288     ])
289     if test "$rjk_cv_httpdir" = "not found"; then
290       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
291     fi
292     httpdir="$rjk_cv_httpdir"
293   fi
294   if test ! -z "$cgidir"; then
295     # This is a bit harsh but should stop any disasters
296     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
297   fi
298   if test -z "$cgiexecdir"; then
299     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
300       rjk_cv_cgiexecdir="not found"
301       for dir in /usr/lib/cgi-bin \
302                  /Library/WebServer/CGI-Executables \
303                  /srv/www/cgi-bin \
304                  /var/www/cgi-bin \
305                  /home/httpd/cgi-bin \
306                  /var/www/localhost/cgi-bin \
307                  /usr/local/lib/cgi-bin \
308                  /usr/local/www/cgi-bin \
309                  /usr/local/www/*/cgi-bin; do
310         if test -d "$dir"; then
311           rjk_cv_cgiexecdir="$dir"
312           break
313         fi
314       done
315     ])
316     if test "$rjk_cv_cgiexecdir" = "not found"; then
317       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
318     fi
319     cgiexecdir="$rjk_cv_cgiexecdir"
320   fi
321 fi
322 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
323 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
324 if test -z "$pkghttpdir"; then
325   pkghttpdir='$(httpdir)/disorder'
326 fi
327 AC_SUBST([pkghttpdir])
328
329 if test -z "$dochtmldir"; then
330   dochtmldir='$(docdir)/html'
331 fi
332 AC_SUBST([dochtmldir])
333
334 subdirs="scripts lib"
335 if test $want_tests = yes; then
336   subdirs="${subdirs} libtests"
337 fi
338 subdirs="${subdirs} clients doc examples debian"
339
340 if test $want_server = yes; then
341   subdirs="${subdirs} server plugins sounds"
342 fi
343 if test $want_cgi = yes; then
344   subdirs="${subdirs} cgi templates images"
345 fi
346 if test $want_gtk = yes; then
347   subdirs="${subdirs} disobedience"
348   if test $want_server = no; then
349     subdirs="${subdirs} images"
350   fi
351 fi
352 if test $want_tests = yes && test $want_python = yes; then
353   AM_PATH_PYTHON([2.5])
354   subdirs="${subdirs} python tests"
355 fi
356 AC_SUBST([subdirs])
357
358 # libtool config
359 AC_LIBTOOL_DLOPEN
360 AC_DISABLE_STATIC
361
362 AC_PROG_LIBTOOL
363
364 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
365   rjk_cv_gnused="not found"
366   for candidate in sed gsed; do
367     if $candidate --version >/dev/null 2>&1; then
368       rjk_cv_gnused=$candidate 
369     fi
370   done
371 ])
372 GNUSED="${GNUSED:-$rjk_cv_gnused}"
373 if test "$GNUSED" = "not found"; then
374   AC_MSG_ERROR([GNU sed is required to build this program])
375 fi
376 AC_SUBST([GNUSED])
377
378 AC_CHECK_PROGS([GROG],[grog])
379 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
380
381 missing_libraries=""
382 missing_headers=""
383 missing_functions=""
384
385 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
386
387 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
388
389 # Macs might have libraries under fink's root
390 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
391 if test "x$FINK" != xnone; then
392   # Find Fink prefix
393   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
394     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
395   ])
396   # Add include and link paths
397   finkdir="${rjk_cv_finkprefix}"
398   finkbindir="${rjk_cv_finkprefix}/bin"
399   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
400   if test $want_server = yes; then
401     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
402   fi
403   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
404   # Distinguish 32- and 64-bit fink
405   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
406     odata=`otool -v -h $finkbindir/dpkg`
407     case "$odata" in
408     *X86_64* )
409       rjk_cv_finkbits=64
410       ;;
411     *I386* )
412       rjk_cv_finkbits=32
413       ;;
414     * )
415       rjk_cv_finkbits=unknown
416       ;;
417     esac
418   ])
419   # Match Fink so we can use its libraries
420   case $rjk_cv_finkbits in
421   32 | 64 )
422     CC="$CC -m$rjk_cv_finkbits"
423     ;;
424   esac
425 else
426   finkbindir=""
427 fi
428 AC_SUBST([finkdir])
429 AC_SUBST([finkbindir])
430
431 # Checks for libraries.
432 # We save up a list of missing libraries that we can't do without
433 # and report them all at once.
434 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
435             [missing_libraries="$missing_libraries libgc"])
436 AC_CHECK_LIB(gcrypt, gcry_md_open,
437              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
438             [missing_libraries="$missing_libraries libgcrypt"])
439 AC_CHECK_LIB(pcre, pcre_compile,
440              [AC_SUBST(LIBPCRE,[-lpcre])],
441              [missing_libraries="$missing_libraries libpcre"])
442 if test $want_alsa = yes; then
443   AC_CHECK_LIB([asound], [snd_pcm_open],
444                [AC_SUBST(LIBASOUND,[-lasound])])
445 fi
446 AC_CHECK_LIB([samplerate],[src_new],
447              [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
448 if test $want_server = yes; then
449   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
450                [AC_SUBST(LIBDB,[-ldb])],
451                [missing_libraries="$missing_libraries libdb"])
452   AC_CHECK_LIB(vorbis, vorbis_info_clear,
453                [:],
454                [missing_libraries="$missing_libraries libvorbis"])
455   AC_CHECK_LIB(vorbisfile, ov_open,
456                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
457                [missing_libraries="$missing_libraries libvorbisfile"],
458                [-lvorbis])
459   AC_CHECK_LIB(mad, mad_stream_init,
460                [AC_SUBST(LIBMAD,[-lmad])],
461                [missing_libraries="$missing_libraries libmad"])
462   AC_CHECK_LIB([ao], [ao_initialize],
463                [AC_SUBST(LIBAO,[-lao])],
464                [missing_libraries="$missing_libraries libao"])
465   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
466                [AC_SUBST(LIBFLAC,[-lFLAC])],
467                [missing_libraries="$missing_libraries libFLAC"])
468 fi
469 AC_CHECK_LIB([pthread], [pthread_create],
470              [AC_SUBST(LIBPTHREAD,[-lpthread])],
471              [missing_libraries="$missing_libraries libpthread"])
472
473 if test $want_gtk = yes; then
474   if test $want_gtkosx = yes; then
475     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
476     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
477     GTK_LIBS="-framework Gtk -framework GLib"
478   else
479     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
480     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
481   fi
482 fi
483
484 # Some platforms have iconv already
485 AC_CHECK_FUNC(iconv_open, [:],
486               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
487                             [AC_SUBST(LIBICONV,[-liconv])],
488                             [missing_functions="$missing_functions iconv_open"])])
489 AC_CHECK_FUNC([gethostbyname],[:],[
490   AC_CHECK_LIB(nsl,gethostbyname,
491                [AC_SUBST(LIBNSL,[-lnsl])],
492                [missing_functions="$missing_functions gethostbyname"])])
493 AC_CHECK_FUNC([socket],[:],[
494   AC_CHECK_LIB(socket,socket,
495                [AC_SUBST(LIBSOCKET,[-lsocket])],
496                [missing_functions="$missing_functions socket"])])
497 AC_CHECK_FUNC([dlopen],[:],[
498   AC_CHECK_LIB(dl,dlopen,
499                [AC_SUBST(LIBDL,[-ldl])],
500                [missing_functions="$missing_functions dlopen"])])
501
502 if test ! -z "$missing_libraries"; then
503   AC_MSG_ERROR([missing libraries:$missing_libraries])
504 fi
505
506 # Checks for header files.
507 RJK_FIND_GC_H
508 if test $want_oss = yes; then
509   AC_CHECK_HEADERS([sys/soundcard.h])
510 fi
511 if test $want_alsa = yes; then
512   AC_CHECK_HEADERS([alsa/asoundlib.h])
513 fi
514 if test $want_coreaudio = yes; then
515   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
516 fi
517 AC_CHECK_HEADERS([inttypes.h])
518 # We don't bother checking very standard stuff
519 # Compilation will fail if any of these headers are missing, so we
520 # check for them here and fail early.
521 if test $want_server = yes; then
522   AC_CHECK_HEADERS([db.h],[:],[
523     missing_headers="$missing_headers $ac_header"
524   ])
525   AC_CHECK_HEADERS([FLAC/file_decoder.h])
526 fi
527 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
528                  getopt.h iconv.h langinfo.h \
529                  pcre.h sys/ioctl.h \
530                  syslog.h unistd.h],[:],[
531   missing_headers="$missing_headers $ac_header"
532 ])
533 AC_CHECK_HEADERS([samplerate.h])
534
535 if test ! -z "$missing_headers"; then
536   AC_MSG_ERROR([missing headers:$missing_headers])
537 fi
538
539 # We require that libpcre support UTF-8
540 RJK_REQUIRE_PCRE_UTF8([-lpcre])
541
542 # Checks for typedefs, structures, and compiler characteristics.
543 AC_C_CONST
544 AC_TYPE_SIZE_T
545 AC_C_INLINE
546 AC_C_BIGENDIAN
547 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
548 #include <netinet/in.h>])
549
550 # Figure out how we'll check for devices being mounted and unmounted
551 AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
552   if test -e /etc/mtab; then
553     rjk_cv_mtab=/etc/mtab
554   else
555     rjk_cv_mtab=none
556   fi
557 ])
558 if test $rjk_cv_mtab != none; then
559   AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
560 fi
561
562 # enable -Werror when we check for certain characteristics:
563
564 old_CFLAGS="${CFLAGS}"
565 CFLAGS="${CFLAGS} $gcc_werror"
566 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
567
568 # Some GCC invocations warn for converting function pointers to void *.
569 # This is fair enough, as it's technically forbidden, but we use dlsym()
570 # which can pretty much only exist if object and function pointers are
571 # interconvertable.  So we disable -Werror if need be.
572 if test ! -z "$gcc_werror"; then
573   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
574                  [rjk_cv_function_pointer_cast],[
575     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
576   void somefunction(void);],
577                       [(void *)somefunction])],
578                       [rjk_cv_function_pointer_cast=yes],
579                       [rjk_cv_function_pointer_cast=no])])
580   if test $rjk_cv_function_pointer_cast = no; then
581     gcc_werror=""
582   fi
583 fi
584
585 CFLAGS="${old_CFLAGS}"
586
587 # gcrypt maintainers keep changing everything.  Design your interface
588 # first, then implement it once, rather than getting it wrong three or
589 # four times and shipping between each attempt.
590 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
591                [rjk_cv_gcrypt_hash_handle],[
592   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
593 #include <gcrypt.h>
594 ],
595                [gcry_md_hd_t h;])],
596                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
597     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
598 #include <gcrypt.h>
599 ],
600                  [GcryMDHd h;])],
601                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
602                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
603 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
604                    [libgcrypt hash handle type])
605
606 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
607                [rjk_cv_have_gcry_error_t],[
608   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
609 #include <gcrypt.h>
610 ],
611                  [gcry_error_t e;])],
612                  [rjk_cv_have_gcry_error_t=yes],
613                  [rjk_cv_have_gcry_error_t=no])])
614 if test $rjk_cv_have_gcry_error_t = yes; then
615   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
616 fi
617
618 # Checks for functions
619 if test $ac_cv_type_long_long = yes; then
620   AC_CHECK_FUNCS([atoll strtoll],[:],[
621     missing_functions="$missing_functions $ac_func"
622   ])
623   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
624   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
625                  [rjk_cv_strtoll_declared],[
626     AC_EGREP_HEADER([strtoll], [stdlib.h],
627                     [rjk_cv_strtoll_declared=yes],
628                     [rjk_cv_strtoll_declared=no])])
629   if test $rjk_cv_strtoll_declared = yes; then
630     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
631   fi
632   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
633                  [rjk_cv_atoll_declared],[
634     AC_EGREP_HEADER([atoll], [stdlib.h],
635                     [rjk_cv_atoll_declared=yes],
636                     [rjk_cv_atoll_declared=no])])
637   if test $rjk_cv_atoll_declared = yes; then
638     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
639   fi
640 fi
641 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
642   missing_functions="$missing_functions $ac_func"
643 ])
644 # fsync will do if fdatasync not available
645 AC_CHECK_FUNCS([fdatasync],[:],[
646   AC_CHECK_FUNCS([fsync],
647                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
648                  [missing_functions="$missing_functions fdatasync"])])
649 if test ! -z "$missing_functions"; then
650   AC_MSG_ERROR([missing functions:$missing_functions])
651 fi
652
653 # Functions we can take or leave
654 AC_CHECK_FUNCS([fls getfsstat])
655
656 if test $want_server = yes; then
657   # <db.h> had better be version 3 or later
658   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
659     AC_PREPROC_IFELSE([
660                        #include <db.h>
661                        #ifndef DB_VERSION_MAJOR
662                        # error cannot determine db version
663                        #endif
664                        #if DB_VERSION_MAJOR < 4
665                        # error inadequate db version
666                        #endif
667                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
668                        # error inadequate db version
669                        #endif
670                       ],
671                       [rjk_cv_db_version=ok],
672                       [rjk_cv_db_version=inadequate])
673     if test $rjk_cv_db_version = ok; then
674       AC_PREPROC_IFELSE([
675                          #include <db.h>
676                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
677                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
678                          #endif
679                         ],
680                         [rjk_cv_db_version=ok],
681                         [rjk_cv_db_version=toxic])
682     fi
683   ])
684   case $rjk_cv_db_version in
685   ok )
686     ;;
687   inadequate )
688     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
689     ;;
690   toxic )
691     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
692     ;;
693   esac
694 fi
695
696 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
697 if test $want_gtk = yes; then
698   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
699 fi
700 AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
701
702 if test "x$GCC" = xyes; then
703   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
704   # by default.
705   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
706     AC_TRY_COMPILE([#include <limits.h>],[
707       long long n = LLONG_MAX;
708     ],[rjk_cv_cstd=default],[
709       old_CC="$CC"
710       CC="${CC} -std=gnu99"
711       AC_TRY_COMPILE([#include <limits.h>],[
712         long long n = LLONG_MAX;
713       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
714       CC="$old_CC"
715     ])
716   ])
717   case $rjk_cv_cstd in
718   default | unknown )
719     ;;
720   * )
721     CC="${CC} -std=${rjk_cv_cstd}"
722     ;;
723   esac
724
725   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
726   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
727     old_CC="$CC"
728     if test $GCC = yes; then
729       CC="$CC -Wall -Werror"
730     fi
731     AC_COMPILE_IFELSE([
732       static int x(char *f) {
733        return *f;
734       }
735       int z(const char *g) {
736         return x((char *)g);
737       }],
738       [rjk_cv_pr29478=no],
739       [rjk_cv_pr29478=yes]
740     )
741     CC="$old_CC"
742   ])
743   if test $rjk_cv_pr29478 = yes; then
744     gcc_werror=''
745   fi
746
747   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
748                  [rjk_cv_gcc44_stupidity],[
749     old_CC="$CC"
750     if test $GCC = yes; then
751       CC="$CC -Wreturn-type -Werror"
752     fi
753     AC_COMPILE_IFELSE([
754       static void *threadfn(void) {
755         for(;;)
756           ;
757       }],
758       [rjk_cv_gcc44_stupidity=no],
759       [rjk_cv_gcc44_stupidity=yes])
760     CC="$old_CC"
761   ])
762   if test $rjk_cv_gcc44_stupidity = yes; then
763     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
764   fi
765
766   # a reasonable default set of warnings
767   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
768         -Wwrite-strings -Wmissing-prototypes \
769         -Wmissing-declarations -Wnested-externs"
770
771   # Fix up GTK+ and GLib compiler flags
772   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
773   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
774
775   if test "$gcc_werror" != ''; then
776     # GCC 2.95 doesn't know to ignore warnings from system headers
777     AC_CACHE_CHECK([whether -Werror is usable],
778                     rjk_cv_werror, [
779       save_CFLAGS="${CFLAGS}"
780       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
781       AC_TRY_COMPILE([#if WITH_GTK
782  #include <gtk/gtk.h>
783 #endif
784
785 struct s { int a, b; };
786 const struct s sv = { .a = 1 };],
787                      [],
788                      [rjk_cv_werror=yes],
789                      [rjk_cv_werror=no])
790       CFLAGS="${save_CFLAGS}"
791     ])
792     if test $rjk_cv_werror = no; then
793       gcc_werror=''
794     fi
795   fi
796   CC="${CC} $gcc_werror"
797
798   # for older GCCs that don't know %ju (etc)
799   AC_CACHE_CHECK([whether -Wno-format is required],
800                  rjk_cv_noformat,
801                  AC_TRY_COMPILE([#include <stdio.h>
802 #include <stdint.h>
803 ],
804                                 [printf("%ju", (uintmax_t)0);],
805                                 [rjk_cv_noformat=no],
806                                 [rjk_cv_noformat=yes]))
807   if test $rjk_cv_noformat = yes; then
808     CC="${CC} -Wno-format"
809   fi
810
811   AC_CACHE_CHECK([whether -Wshadow is OK],
812                  rjk_cv_shadow,
813                  oldCC="${CC}"
814                  CC="${CC} -Wshadow"
815                  [AC_TRY_COMPILE([
816 #include <unistd.h>
817 #include <vorbis/vorbisfile.h>
818 ],
819                                 [],
820                                 [rjk_cv_shadow=yes],
821                                 [rjk_cv_shadow=no])
822                  CC="${oldCC}"])
823   if test $rjk_cv_shadow = yes; then
824     CC="${CC} -Wshadow"
825   fi
826 fi
827
828 RJK_GCOV
829
830 AH_BOTTOM([#ifdef __GNUC__
831 # define attribute(x) __attribute__(x)
832 #else
833 # define attribute(x)
834 #endif])
835
836 AC_CONFIG_FILES([Makefile
837                  images/Makefile
838                  scripts/Makefile
839                  lib/Makefile
840                  server/Makefile
841                  cgi/Makefile
842                  clients/Makefile
843                  disobedience/Makefile
844                  disobedience/manual/Makefile
845                  doc/Makefile
846                  templates/Makefile
847                  plugins/Makefile
848                  debian/Makefile
849                  sounds/Makefile
850                  python/Makefile
851                  examples/Makefile
852                  libtests/Makefile
853                  tests/Makefile])
854 AC_OUTPUT
855
856 if test $GCC = yes && test "$gcc_werror" = ''; then
857   AC_MSG_WARN([building without -Werror])
858 fi
859 if test $want_python = no; then
860   AC_MSG_WARN([cannot run the test suit without Python])
861 fi
862 if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
863   AC_MSG_WARN([libsamplerate will be required in a future version])
864 fi
865
866 # Local Variables:
867 # indent-tabs-mode:nil
868 # End: