chiark / gitweb /
Buffered socket IO wrappers
[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) 2004-2013 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], [5.1.1], [richard+disorder@sfere.greenend.org.uk])
22 AC_CONFIG_AUX_DIR([config.aux])
23 AM_INIT_AUTOMAKE([foreign])
24 AC_CONFIG_SRCDIR([server/disorderd.c])
25 AM_CONFIG_HEADER([config.h])
26 AC_CONFIG_MACRO_DIR([m4])
27
28 # Find host type
29 AC_CANONICAL_HOST
30
31 # What we want to build
32 want_gtk=yes
33 want_python=yes
34 want_tests=yes
35 want_server=yes
36 want_cgi=yes
37
38 # APIs we want
39 want_alsa=yes
40 want_oss=yes
41 want_coreaudio=yes
42 want_pulseaudio=yes
43
44 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
45 #
46 # Disobedience can be built to a native OS X application.  There are some
47 # caveats:
48 #  - you will still need Fink (or something) for other libraries
49 #  - if you wanted an application bundle you are out of luck
50 #  - the menu bar is still in the main window (not at the top of the screen)
51 #  - drag and drop doesn't work
52 #
53 # So it's still rather rough and ready.  But it does work...
54 #
55 # See:
56 #   http://www.gtk-osx.org/
57 #   http://live.gnome.org/GTK%2B/OSX/Framework
58 want_gtkosx=no
59
60 # Checks for programs.
61 AC_PROG_CC
62 AM_PROG_CC_C_O
63 AC_PROG_AWK
64 AC_SET_MAKE
65 if test "x$GCC" = xyes; then
66   gcc_werror=-Werror
67   case "$CC" in
68   *-std=* )
69     ;;
70   * )
71     CC="${CC} -std=gnu99"
72     ;;
73   esac
74 else
75   AC_MSG_ERROR([GNU C is required to build this program])
76   gcc_werror=""
77 fi
78
79 AC_ARG_WITH([alsa],
80             [AS_HELP_STRING([--without-alsa],
81                             [do not build with ALSA support])],
82             [want_alsa=$withval])
83 AC_ARG_WITH([pulseaudio],
84             [AS_HELP_STRING([--without-pulseaudio],
85                             [do not build with PulseAudio support])],
86             [want_pulseaudio=$withval])
87 AC_ARG_WITH([oss],
88             [AS_HELP_STRING([--without-oss],
89                             [do not build with OSS support])],
90             [want_oss=$withval])
91 AC_ARG_WITH([coreaudio],
92             [AS_HELP_STRING([--without-coreaudio],
93                             [do not build with Core Audio support])],
94             [want_coreaudio=$withval])
95 AC_ARG_WITH([tests],
96             [AS_HELP_STRING([--without-tests],
97                             [do not build test suit])],
98             [want_tests=$withval])
99 AC_ARG_WITH([gtk-osx],
100             [AS_HELP_STRING([--with-gtk-osx],
101                             [use native GTK+ (OS X only)])],
102             [want_gtkosx=$withval])
103
104 AC_MSG_CHECKING([for a known target platform])
105 case "$host" in
106 *empeg* )
107   AC_MSG_RESULT([empeg car stereo])
108   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
109   # work around broken toolchain
110   AC_CHECK_LIB([gpg-error], [gpg_strerror])
111   AC_CHECK_LIB([pthread], [pthread_create])
112   want_server=no
113   want_cgi=no
114  ;;
115 *linux* | *Linux* )
116   AC_MSG_RESULT([Linux])
117   AC_DEFINE_UNQUOTED([PATH_PROC_MOUNTS],["/proc/mounts"],[path to kernel mount list])
118   ;;
119 *-apple-darwin* )
120   AC_MSG_RESULT([Mac OS X])
121   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
122   # so we'll just turn off the warning.
123   CC="$CC -Wno-deprecated-declarations"
124   if test $want_coreaudio = yes; then
125     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
126   fi
127   browser=open
128   AC_MSG_CHECKING([Mac OS X target version])
129   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
130   # behaviour.  But we provide a command line option to override it and
131   # we default to wide support instead of supporting only the build platform.
132   #
133   # Currently if you ask for 10.5 you will get a deprecation warning
134   # when building the CoreAudio support code.  For the time being the
135   # answer to this is "don't do that then".  If a good reason to ask
136   # for a 10.5 deployment target emerges then this will be fixed.
137   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
138     MACOSX_DEPLOYMENT_TARGET=10.0
139   fi
140   AC_ARG_WITH([deployment-target],
141               [AS_HELP_STRING([--with-deployment-target=TARGET],
142                               [set target OS X version])],
143               [MACOSX_DEPLOYMENT_TARGET=$withval])
144   # Convert to desired format
145   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
146   minver="MAC_OS_X_VERSION_$underscored"
147   AC_MSG_RESULT([$minver])
148   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
149                      [define to minimum version of Mac OS X to support])
150
151   if test $want_gtkosx = no; then
152     # Fink's GTK+ is hopelessly broken
153     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
154     export PKG_CONFIG_PATH
155   fi
156
157   ;;
158 *-freebsd* )
159   AC_MSG_RESULT([FreeBSD])
160   # Ports install to /usr/local but the compiler stupidly doesn't look
161   # there by default
162   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
163   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
164   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
165   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
166     rjk_cv_libdb="none"
167     for db in db43 db44 db45 db47; do
168       if test -e /usr/local/lib/$db; then
169         rjk_cv_libdb=$db
170         break
171       fi
172     done
173   ])
174   if test $rjk_cv_libdb != none; then
175     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
176     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
177   fi
178   ;;
179 * )
180   AC_MSG_RESULT([unknown, winging it])
181   ;;
182 esac
183 AC_SUBST([COREAUDIO])
184
185 AC_ARG_WITH([browser],
186             [AS_HELP_STRING([--with-browser=BROWSER],
187                             [use BROWSER to display HTML])],
188             [browser=$withval])
189
190 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
191   rjk_cv_browser=UNKNOWN
192   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
193     if type $candidate >/dev/null 2>&1; then
194       rjk_cv_browser="$candidate"
195       break
196     fi
197   done
198 ])
199 if test -z "$browser"; then
200   browser="$rjk_cv_browser"
201 fi
202 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
203
204 # Figure out what version of sox is installed
205 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
206   rjk_cv_soxver=UNKNOWN
207   if sox --version > /dev/null 2>&1; then
208     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
209   else
210     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
211   fi
212 ])
213
214 # Decide what command line options to use
215 #
216 # sox version   endian     bits       deployed
217 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
218 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
219 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
220 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
221
222 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
223   case $rjk_cv_soxver in
224   [[0-9]].* | 1[[0123]].* )
225     rjk_cv_soxgen=0
226     ;;
227   * )
228     rjk_cv_soxgen=1
229     ;;
230   esac
231 ])
232 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
233                    [default sox generation])
234
235 AC_ARG_WITH([server],
236             [AS_HELP_STRING([--without-server],
237                             [do not build server])],
238             [want_server=$withval])
239 AC_ARG_WITH([cgi],
240             [AS_HELP_STRING([--without-cgi],
241                             [do not build CGI])],
242             [want_cgi=$withval])
243 AC_ARG_WITH([gtk],
244             [AS_HELP_STRING([--without-gtk],
245                             [do not build GTK+ client])],
246             [want_gtk=$withval])
247 AC_ARG_WITH([python],
248             [AS_HELP_STRING([--without-python],
249                             [do not build Python support])],
250             [want_python=$withval])
251
252 if test $want_server = no; then
253   want_cgi=no
254 fi
255
256 #
257 # OS          Document Root                  CGI directory
258 # ==          =============                  =============
259 # Debian      /var/www                       /usr/lib/cgi-bin
260 # Ubuntu      /var/www                       /usr/lib/cgi-bin
261 # Red Hat     /var/www/html                  /var/www/cgi-bin
262 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
263 # Slackware   /var/www/htdocs                (unknown)
264 # SuSE        /srv/www/html                  /srv/www/cgi-bin
265 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
266 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
267 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
268 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
269 # Apache      /usr/local/apache/htdocs       (none)
270 #
271 # Sources:
272 #   http://wiki.linuxquestions.org/wiki/Apache
273 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
274 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
275 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
276 #   http://httpd.apache.org/docs/
277 #
278 if test $want_cgi = yes; then
279   if test -z "$httpdir"; then
280     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
281       rjk_cv_httpdir="not found"
282       for dir in /var/www/html \
283                  /var/www/htdocs \
284                  /var/www/localhost/htdocs \
285                  /var/www \
286                  /home/httpd/html \
287                  /srv/www/html \
288                  /usr/local/www/data \
289                  /usr/local/www/*/data \
290                  /Library/WebServer/Documents \
291                  /usr/local/apache/htdocs; do
292         if test -d "$dir"; then
293           rjk_cv_httpdir="$dir"
294         fi
295       done
296     ])
297     if test "$rjk_cv_httpdir" = "not found"; then
298       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
299     fi
300     httpdir="$rjk_cv_httpdir"
301   fi
302   if test ! -z "$cgidir"; then
303     # This is a bit harsh but should stop any disasters
304     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
305   fi
306   if test -z "$cgiexecdir"; then
307     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
308       rjk_cv_cgiexecdir="not found"
309       for dir in /usr/lib/cgi-bin \
310                  /Library/WebServer/CGI-Executables \
311                  /srv/www/cgi-bin \
312                  /var/www/cgi-bin \
313                  /home/httpd/cgi-bin \
314                  /var/www/localhost/cgi-bin \
315                  /usr/local/lib/cgi-bin \
316                  /usr/local/www/cgi-bin \
317                  /usr/local/www/*/cgi-bin; do
318         if test -d "$dir"; then
319           rjk_cv_cgiexecdir="$dir"
320           break
321         fi
322       done
323     ])
324     if test "$rjk_cv_cgiexecdir" = "not found"; then
325       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
326     fi
327     cgiexecdir="$rjk_cv_cgiexecdir"
328   fi
329 fi
330 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
331 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
332 if test -z "$pkghttpdir"; then
333   pkghttpdir='$(httpdir)/disorder'
334 fi
335 AC_SUBST([pkghttpdir])
336
337 if test -z "$dochtmldir"; then
338   dochtmldir='$(docdir)/html'
339 fi
340 AC_SUBST([dochtmldir])
341
342 subdirs="scripts lib"
343 if test $want_tests = yes; then
344   subdirs="${subdirs} libtests"
345 fi
346 subdirs="${subdirs} clients doc examples debian"
347
348 if test $want_server = yes; then
349   subdirs="${subdirs} server plugins sounds"
350 fi
351 if test $want_cgi = yes; then
352   subdirs="${subdirs} cgi templates images"
353 fi
354 if test $want_gtk = yes; then
355   subdirs="${subdirs} disobedience"
356   if test $want_server = no; then
357     subdirs="${subdirs} images"
358   fi
359 fi
360 if test $want_tests = yes && test $want_python = yes; then
361   AM_PATH_PYTHON([2.5])
362   subdirs="${subdirs} python tests"
363 fi
364 AC_SUBST([subdirs])
365
366 # libtool config
367 AC_LIBTOOL_DLOPEN
368 AC_DISABLE_STATIC
369
370 AC_PROG_LIBTOOL
371
372 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
373   rjk_cv_gnused="not found"
374   for candidate in sed gsed; do
375     if $candidate --version >/dev/null 2>&1; then
376       rjk_cv_gnused=$candidate 
377     fi
378   done
379 ])
380 GNUSED="${GNUSED:-$rjk_cv_gnused}"
381 if test "$GNUSED" = "not found"; then
382   AC_MSG_ERROR([GNU sed is required to build this program])
383 fi
384 AC_SUBST([GNUSED])
385
386 AC_CHECK_PROGS([GROG],[grog])
387 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
388
389 missing_libraries=""
390 missing_headers=""
391 missing_functions=""
392
393 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
394
395 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
396
397 # Macs might have libraries under fink's root
398 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
399 if test "x$FINK" != xnone; then
400   # Find Fink prefix
401   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
402     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
403   ])
404   # Add include and link paths
405   finkdir="${rjk_cv_finkprefix}"
406   finkbindir="${rjk_cv_finkprefix}/bin"
407   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
408   if test $want_server = yes; then
409     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
410   fi
411   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
412   # Distinguish 32- and 64-bit fink
413   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
414     odata=`otool -v -h $finkbindir/dpkg`
415     case "$odata" in
416     *X86_64* )
417       rjk_cv_finkbits=64
418       ;;
419     *I386* )
420       rjk_cv_finkbits=32
421       ;;
422     * )
423       rjk_cv_finkbits=unknown
424       ;;
425     esac
426   ])
427   # Match Fink so we can use its libraries
428   case $rjk_cv_finkbits in
429   32 | 64 )
430     CC="$CC -m$rjk_cv_finkbits"
431     ;;
432   esac
433 else
434   finkbindir=""
435 fi
436 AC_SUBST([finkdir])
437 AC_SUBST([finkbindir])
438
439 # Checks for libraries.
440 # We save up a list of missing libraries that we can't do without
441 # and report them all at once.
442 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
443             [missing_libraries="$missing_libraries libgc"])
444 AC_CHECK_LIB(gcrypt, gcry_md_open,
445              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
446             [missing_libraries="$missing_libraries libgcrypt"])
447 AC_CHECK_LIB(pcre, pcre_compile,
448              [AC_SUBST(LIBPCRE,[-lpcre])],
449              [missing_libraries="$missing_libraries libpcre"])
450 if test $want_alsa = yes; then
451   AC_CHECK_LIB([asound], [snd_pcm_open],
452                [AC_SUBST(LIBASOUND,[-lasound])])
453 fi
454 if test $want_pulseaudio = yes; then
455   PKG_CHECK_MODULES([PULSEAUDIO],[libpulse],
456                     [AC_DEFINE([HAVE_PULSEAUDIO],[1],[define to 1 for PulseAudio support])],
457                     [missing_libraries="$missing_libraries libpulse"])
458   PKG_CHECK_MODULES([PULSEAUDIO_SIMPLE],[libpulse-simple],,
459                     [missing_libraries="$missing_libraries libpulse-simple"])
460 fi
461 AC_CHECK_LIB([samplerate],[src_new],
462              [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
463 if test $want_server = yes; then
464   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
465                [AC_SUBST(LIBDB,[-ldb])],
466                [missing_libraries="$missing_libraries libdb"])
467   AC_CHECK_LIB(vorbis, vorbis_info_clear,
468                [:],
469                [missing_libraries="$missing_libraries libvorbis"])
470   AC_CHECK_LIB(vorbisfile, ov_open,
471                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
472                [missing_libraries="$missing_libraries libvorbisfile"],
473                [-lvorbis])
474   AC_CHECK_LIB(mad, mad_stream_init,
475                [AC_SUBST(LIBMAD,[-lmad])],
476                [missing_libraries="$missing_libraries libmad"])
477   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
478                [AC_SUBST(LIBFLAC,[-lFLAC])],
479                [missing_libraries="$missing_libraries libFLAC"])
480 fi
481 AC_CHECK_LIB([pthread], [pthread_create],
482              [AC_SUBST(LIBPTHREAD,[-lpthread])],
483              [missing_libraries="$missing_libraries libpthread"])
484
485 if test $want_gtk = yes; then
486   if test $want_gtkosx = yes; then
487     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
488     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
489     GTK_LIBS="-framework Gtk -framework GLib"
490   else
491     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
492     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
493   fi
494 fi
495
496 # Some platforms have iconv already
497 AC_CHECK_FUNC(iconv_open, [:],
498               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
499                             [AC_SUBST(LIBICONV,[-liconv])],
500                             [missing_functions="$missing_functions iconv_open"])])
501 AC_CHECK_FUNC([gethostbyname],[:],[
502   AC_CHECK_LIB(nsl,gethostbyname,
503                [AC_SUBST(LIBNSL,[-lnsl])],
504                [missing_functions="$missing_functions gethostbyname"])])
505 AC_CHECK_FUNC([socket],[:],[
506   AC_CHECK_LIB(socket,socket,
507                [AC_SUBST(LIBSOCKET,[-lsocket])],
508                [missing_functions="$missing_functions socket"])])
509 AC_CHECK_FUNC([dlopen],[:],[
510   AC_CHECK_LIB(dl,dlopen,
511                [AC_SUBST(LIBDL,[-ldl])],
512                [missing_functions="$missing_functions dlopen"])])
513
514 if test ! -z "$missing_libraries"; then
515   AC_MSG_ERROR([missing libraries:$missing_libraries])
516 fi
517
518 # Checks for header files.
519 RJK_FIND_GC_H
520 if test $want_oss = yes; then
521   AC_CHECK_HEADERS([sys/soundcard.h])
522 fi
523 if test $want_alsa = yes; then
524   AC_CHECK_HEADERS([alsa/asoundlib.h])
525 fi
526 if test $want_coreaudio = yes; then
527   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
528 fi
529 AC_CHECK_HEADERS([inttypes.h sys/time.h sys/socket.h netinet/in.h \
530                   arpa/inet.h sys/un.h netdb.h pcre.h pwd.h langinfo.h])
531 # We don't bother checking very standard stuff
532 # Compilation will fail if any of these headers are missing, so we
533 # check for them here and fail early.
534 if test $want_server = yes; then
535   AC_CHECK_HEADERS([db.h],[:],[
536     missing_headers="$missing_headers $ac_header"
537   ])
538 fi
539 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
540                  getopt.h iconv.h langinfo.h \
541                  pcre.h sys/ioctl.h \
542                  syslog.h unistd.h],[:],[
543   missing_headers="$missing_headers $ac_header"
544 ])
545 AC_CHECK_HEADERS([samplerate.h])
546
547 if test ! -z "$missing_headers"; then
548   AC_MSG_ERROR([missing headers:$missing_headers])
549 fi
550
551 # We require that libpcre support UTF-8
552 RJK_REQUIRE_PCRE_UTF8([-lpcre])
553
554 # Checks for typedefs, structures, and compiler characteristics.
555 AC_C_CONST
556 AC_TYPE_SIZE_T
557 AC_C_INLINE
558 AC_C_BIGENDIAN
559 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
560 #include <netinet/in.h>])
561
562 # Figure out how we'll check for devices being mounted and unmounted
563 AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
564   if test -e /etc/mtab; then
565     rjk_cv_mtab=/etc/mtab
566   else
567     rjk_cv_mtab=none
568   fi
569 ])
570 if test $rjk_cv_mtab != none; then
571   AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
572 fi
573
574 # enable -Werror when we check for certain characteristics:
575
576 old_CFLAGS="${CFLAGS}"
577 CFLAGS="${CFLAGS} $gcc_werror"
578 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
579
580 # Some GCC invocations warn for converting function pointers to void *.
581 # This is fair enough, as it's technically forbidden, but we use dlsym()
582 # which can pretty much only exist if object and function pointers are
583 # interconvertable.  So we disable -Werror if need be.
584 if test ! -z "$gcc_werror"; then
585   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
586                  [rjk_cv_function_pointer_cast],[
587     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
588   void somefunction(void);],
589                       [(void *)somefunction])],
590                       [rjk_cv_function_pointer_cast=yes],
591                       [rjk_cv_function_pointer_cast=no])])
592   if test $rjk_cv_function_pointer_cast = no; then
593     gcc_werror=""
594   fi
595 fi
596
597 CFLAGS="${old_CFLAGS}"
598
599 # gcrypt maintainers keep changing everything.  Design your interface
600 # first, then implement it once, rather than getting it wrong three or
601 # four times and shipping between each attempt.
602 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
603                [rjk_cv_gcrypt_hash_handle],[
604   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
605 #include <gcrypt.h>
606 ],
607                [gcry_md_hd_t h;])],
608                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
609     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
610 #include <gcrypt.h>
611 ],
612                  [GcryMDHd h;])],
613                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
614                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
615 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
616                    [libgcrypt hash handle type])
617
618 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
619                [rjk_cv_have_gcry_error_t],[
620   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
621 #include <gcrypt.h>
622 ],
623                  [gcry_error_t e;])],
624                  [rjk_cv_have_gcry_error_t=yes],
625                  [rjk_cv_have_gcry_error_t=no])])
626 if test $rjk_cv_have_gcry_error_t = yes; then
627   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
628 fi
629
630 # Checks for functions
631 if test $ac_cv_type_long_long = yes; then
632   AC_CHECK_FUNCS([atoll strtoll],[:],[
633     missing_functions="$missing_functions $ac_func"
634   ])
635   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
636   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
637                  [rjk_cv_strtoll_declared],[
638     AC_EGREP_HEADER([strtoll], [stdlib.h],
639                     [rjk_cv_strtoll_declared=yes],
640                     [rjk_cv_strtoll_declared=no])])
641   if test $rjk_cv_strtoll_declared = yes; then
642     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
643   fi
644   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
645                  [rjk_cv_atoll_declared],[
646     AC_EGREP_HEADER([atoll], [stdlib.h],
647                     [rjk_cv_atoll_declared=yes],
648                     [rjk_cv_atoll_declared=no])])
649   if test $rjk_cv_atoll_declared = yes; then
650     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
651   fi
652 fi
653 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
654   missing_functions="$missing_functions $ac_func"
655 ])
656 # fsync will do if fdatasync not available
657 AC_CHECK_FUNCS([fdatasync],[:],[
658   AC_CHECK_FUNCS([fsync],
659                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
660                  [missing_functions="$missing_functions fdatasync"])])
661 if test ! -z "$missing_functions"; then
662   AC_MSG_ERROR([missing functions:$missing_functions])
663 fi
664
665 # Functions we can take or leave
666 AC_CHECK_FUNCS([fls getfsstat closesocket])
667
668 if test $want_server = yes; then
669   # <db.h> had better be version 3 or later
670   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
671     AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
672                        #include <db.h>
673                        #ifndef DB_VERSION_MAJOR
674                        # error cannot determine db version
675                        #endif
676                        #if DB_VERSION_MAJOR < 4
677                        # error inadequate db version
678                        #endif
679                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
680                        # error inadequate db version
681                        #endif
682                       ],[])],
683                       [rjk_cv_db_version=ok],
684                       [rjk_cv_db_version=inadequate])
685     if test $rjk_cv_db_version = ok; then
686       AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
687                          #include <db.h>
688                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
689                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
690                          #endif
691                         ],[])],
692                         [rjk_cv_db_version=ok],
693                         [rjk_cv_db_version=toxic])
694     fi
695   ])
696   case $rjk_cv_db_version in
697   ok )
698     ;;
699   inadequate )
700     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
701     ;;
702   toxic )
703     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
704     ;;
705   esac
706 fi
707
708 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
709 if test $want_gtk = yes; then
710   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
711 fi
712 AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
713
714 if test "x$GCC" = xyes; then
715   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
716   # by default.
717   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
718     AC_TRY_COMPILE([#include <limits.h>],[
719       long long n = LLONG_MAX;
720     ],[rjk_cv_cstd=default],[
721       old_CC="$CC"
722       CC="${CC} -std=gnu99"
723       AC_TRY_COMPILE([#include <limits.h>],[
724         long long n = LLONG_MAX;
725       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
726       CC="$old_CC"
727     ])
728   ])
729   case $rjk_cv_cstd in
730   default | unknown )
731     ;;
732   * )
733     CC="${CC} -std=${rjk_cv_cstd}"
734     ;;
735   esac
736
737   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
738   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
739     old_CC="$CC"
740     if test $GCC = yes; then
741       CC="$CC -Wall -Werror"
742     fi
743     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
744       static int x(char *f) {
745        return *f;
746       }
747       int z(const char *g) {
748         return x((char *)g);
749       }],[])],
750       [rjk_cv_pr29478=no],
751       [rjk_cv_pr29478=yes]
752     )
753     CC="$old_CC"
754   ])
755   if test $rjk_cv_pr29478 = yes; then
756     gcc_werror=''
757   fi
758
759   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
760                  [rjk_cv_gcc44_stupidity],[
761     old_CC="$CC"
762     if test $GCC = yes; then
763       CC="$CC -Wreturn-type -Werror"
764     fi
765     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
766       static void *threadfn(void) {
767         for(;;)
768           ;
769       }],[])],
770       [rjk_cv_gcc44_stupidity=no],
771       [rjk_cv_gcc44_stupidity=yes])
772     CC="$old_CC"
773   ])
774   if test $rjk_cv_gcc44_stupidity = yes; then
775     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
776   fi
777
778   # a reasonable default set of warnings
779   CC="${CC} -Wall -W -Wpointer-arith \
780         -Wwrite-strings -Wmissing-prototypes \
781         -Wmissing-declarations -Wnested-externs"
782
783   # Fix up GTK+ and GLib compiler flags
784   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
785   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
786
787   if test "$gcc_werror" != ''; then
788     # GCC 2.95 doesn't know to ignore warnings from system headers
789     AC_CACHE_CHECK([whether -Werror is usable],
790                     rjk_cv_werror, [
791       save_CFLAGS="${CFLAGS}"
792       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
793       AC_TRY_COMPILE([#if WITH_GTK
794  #include <gtk/gtk.h>
795 #endif
796
797 struct s { int a, b; };
798 const struct s sv = { .a = 1 };],
799                      [],
800                      [rjk_cv_werror=yes],
801                      [rjk_cv_werror=no])
802       CFLAGS="${save_CFLAGS}"
803     ])
804     if test $rjk_cv_werror = no; then
805       gcc_werror=''
806     fi
807   fi
808   CC="${CC} $gcc_werror"
809
810   # for older GCCs that don't know %ju (etc)
811   AC_CACHE_CHECK([whether -Wno-format is required],
812                  rjk_cv_noformat,
813                  AC_TRY_COMPILE([#include <stdio.h>
814 #include <stdint.h>
815 ],
816                                 [printf("%ju", (uintmax_t)0);],
817                                 [rjk_cv_noformat=no],
818                                 [rjk_cv_noformat=yes]))
819   if test $rjk_cv_noformat = yes; then
820     CC="${CC} -Wno-format"
821   fi
822
823   AC_CACHE_CHECK([whether -Wshadow is OK],
824                  rjk_cv_shadow,
825                  oldCC="${CC}"
826                  CC="${CC} -Wshadow"
827                  [AC_TRY_COMPILE([
828 #include <unistd.h>
829 #include <vorbis/vorbisfile.h>
830 ],
831                                 [],
832                                 [rjk_cv_shadow=yes],
833                                 [rjk_cv_shadow=no])
834                  CC="${oldCC}"])
835   if test $rjk_cv_shadow = yes; then
836     CC="${CC} -Wshadow"
837   fi
838 fi
839
840 RJK_GCOV
841
842 AH_BOTTOM([#ifdef __GNUC__
843 # define attribute(x) __attribute__(x)
844 #else
845 # define attribute(x)
846 #endif])
847
848 AC_CONFIG_FILES([Makefile
849                  images/Makefile
850                  scripts/Makefile
851                  lib/Makefile
852                  server/Makefile
853                  cgi/Makefile
854                  clients/Makefile
855                  disobedience/Makefile
856                  disobedience/manual/Makefile
857                  doc/Makefile
858                  templates/Makefile
859                  plugins/Makefile
860                  debian/Makefile
861                  sounds/Makefile
862                  python/Makefile
863                  examples/Makefile
864                  libtests/Makefile
865                  tests/Makefile])
866 AC_OUTPUT
867
868 if test $GCC = yes && test "$gcc_werror" = ''; then
869   AC_MSG_WARN([building without -Werror])
870 fi
871 if test $want_python = no; then
872   AC_MSG_WARN([cannot run the test suit without Python])
873 fi
874 if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
875   AC_MSG_WARN([libsamplerate will be required in a future version])
876 fi
877
878 # Local Variables:
879 # indent-tabs-mode:nil
880 # End: