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update README* and CHANGES
[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, 2005, 2006, 2007 Richard Kettlewell
5 #
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 # General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 # USA
20 #
21
22 AC_INIT([disorder], [1.5.99+], [richard+disorder@sfere.greenend.org.uk])
23 AC_CONFIG_AUX_DIR([config.aux])
24 AM_INIT_AUTOMAKE(disorder, [1.5.99+])
25 AC_CONFIG_SRCDIR([server/disorderd.c])
26 AM_CONFIG_HEADER([config.h])
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
35 # APIs we want
36 want_alsa=yes
37 want_oss=yes
38 want_coreaudio=yes
39
40 # Checks for programs.
41 AC_PROG_CC
42 AC_SET_MAKE
43 if test "x$GCC" = xyes; then
44   gcc_werror=-Werror
45 else
46   gcc_werror=""
47 fi
48
49 AC_ARG_WITH([alsa],
50             [AS_HELP_STRING([--without-alsa],
51                             [do not build with ALSA support])],
52             [want_alsa=$withval])
53 AC_ARG_WITH([oss],
54             [AS_HELP_STRING([--without-oss],
55                             [do not build with OSS support])],
56             [want_oss=$withval])
57 AC_ARG_WITH([coreaudio],
58             [AS_HELP_STRING([--without-coreaudio],
59                             [do not build with Core Audio support])],
60             [want_coreaudio=$withval])
61
62 AC_MSG_CHECKING([for a known target platform])
63 case "$host" in
64 *empeg* )
65   AC_MSG_RESULT([empeg car stereo])
66   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
67   # work around broken toolchain
68   AC_CHECK_LIB([gpg-error], [gpg_strerror])
69   AC_CHECK_LIB([pthread], [pthread_create])
70   want_server=no
71  ;;
72 *linux* | *Linux* )
73   AC_MSG_RESULT([Linux])
74   want_server=yes
75   ;;
76 *-apple-darwin* )
77   AC_MSG_RESULT([Mac OS X])
78   want_server=yes
79   if test $want_coreaudio = yes; then
80     COREAUDIO="-framework CoreAudio"
81   fi
82   browser=open
83   ;;
84 * )
85   AC_MSG_RESULT([unknown, winging it])
86   want_server=no
87   ;;
88 esac
89 AC_SUBST([COREAUDIO])
90
91 AC_ARG_WITH([browser],
92             [AS_HELP_STRING([--with-browser=BROWSER],
93                             [use BROWSER to display HTML])],
94             [browser=$withval])
95
96 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
97   rjk_cv_browser=UNKNOWN
98   for candidate in x-www-browser firefox mozilla konqueror netscape; do
99     if type $candidate >/dev/null 2>&1; then
100       rjk_cv_browser="$candidate"
101       break
102     fi
103   done
104 ])
105 if test -z "$browser"; then
106   browser="$rjk_cv_browser"
107 fi
108 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
109
110 AC_ARG_WITH([server],
111             [AS_HELP_STRING([--without-server],
112                             [do not build server])],
113             [want_server=$withval])
114 AC_ARG_WITH([gtk],
115             [AS_HELP_STRING([--without-gtk],
116                             [do not build GTK+ client])],
117             [want_gtk=$withval])
118 AC_ARG_WITH([python],
119             [AS_HELP_STRING([--without-python],
120                             [do not build Python support])],
121             [want_python=$withval])
122
123 subdirs="scripts lib clients doc examples debian"
124
125 if test $want_server = yes; then
126   subdirs="${subdirs} server plugins driver templates sounds images"
127 fi
128 if test $want_gtk = yes; then
129   subdirs="${subdirs} disobedience"
130   if test $want_server = no; then
131     subdirs="${subdirs} images"
132   fi
133 fi
134 if test $want_python = yes; then
135   AM_PATH_PYTHON([2.4])
136   subdirs="${subdirs} python tests"
137 fi
138 AC_SUBST([subdirs])
139
140 # libtool config
141 AC_LIBTOOL_DLOPEN
142 AC_DISABLE_STATIC
143
144 AC_PROG_LIBTOOL
145
146 missing_libraries=""
147 missing_headers=""
148 missing_functions=""
149
150 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
151
152 # Macs might have libraries under fink's root
153 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
154 if test "x$FINK" != xnone; then
155   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
156     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
157   ])
158   finkdir="${rjk_cv_finkprefix}"
159   finkbindir="${rjk_cv_finkprefix}/bin"
160   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
161   if test $want_server = yes; then
162     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
163   fi
164   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
165 else
166   finkbindir=""
167 fi
168 AC_SUBST([finkdir])
169 AC_SUBST([finkbindir])
170
171 # Checks for libraries.
172 # We save up a list of missing libraries that we can't do without
173 # and report them all at once.
174 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
175             [missing_libraries="$missing_libraries libgc"])
176 AC_CHECK_LIB(gcrypt, gcry_md_open,
177              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
178             [missing_libraries="$missing_libraries libgcrypt"])
179 AC_CHECK_LIB(pcre, pcre_compile,
180              [AC_SUBST(LIBPCRE,[-lpcre])],
181              [missing_libraries="$missing_libraries libpcre"])
182 if test $want_alsa = yes; then
183   AC_CHECK_LIB([asound], [snd_pcm_open],
184                [AC_SUBST(LIBASOUND,[-lasound])])
185 fi
186 if test $want_server = yes; then
187   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
188                [AC_SUBST(LIBDB,[-ldb])],
189                [missing_libraries="$missing_libraries libdb"])
190   AC_CHECK_LIB(vorbis, vorbis_info_clear,
191                [:],
192                [missing_libraries="$missing_libraries libvorbis"])
193   AC_CHECK_LIB(vorbisfile, ov_open,
194                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
195                [missing_libraries="$missing_libraries libvorbisfile"],
196                [-lvorbis])
197   AC_CHECK_LIB(mad, mad_stream_init,
198                [AC_SUBST(LIBMAD,[-lmad])],
199                [missing_libraries="$missing_libraries libmad"])
200   AC_CHECK_LIB([ao], [ao_initialize],
201                [AC_SUBST(LIBAO,[-lao])],
202                [missing_libraries="$missing_libraries libao"])
203   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
204                [AC_SUBST(LIBFLAC,[-lFLAC])],
205                [missing_libraries="$missing_libraries libFLAC"])
206 fi
207
208 if test $want_gtk = yes; then
209   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
210   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
211 fi
212
213 # Some platforms have iconv already
214 AC_CHECK_FUNC(iconv_open, [:],
215               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
216                             [AC_SUBST(LIBICONV,[-liconv])],
217                             [missing_functions="$missing_functions iconv_open"])])
218 AC_CHECK_FUNC([gethostbyname],[:],[
219   AC_CHECK_LIB(nsl,gethostbyname,
220                [AC_SUBST(LIBNSL,[-lnsl])],
221                [missing_functions="$missing_functions gethostbyname"])])
222 AC_CHECK_FUNC([socket],[:],[
223   AC_CHECK_LIB(socket,socket,
224                [AC_SUBST(LIBSOCKET,[-lsocket])],
225                [missing_functions="$missing_functions socket"])])
226 AC_CHECK_FUNC([dlopen],[:],[
227   AC_CHECK_LIB(dl,dlopen,
228                [AC_SUBST(LIBDL,[-ldl])],
229                [missing_functions="$missing_functions dlopen"])])
230
231 if test ! -z "$missing_libraries"; then
232   AC_MSG_ERROR([missing libraries:$missing_libraries])
233 fi
234
235 # We require that libpcre support UTF-8
236 RJK_REQUIRE_PCRE_UTF8([-lpcre])
237
238 # Checks for header files.
239 RJK_FIND_GC_H
240 if test $want_oss = yes; then
241   AC_CHECK_HEADERS([sys/soundcard.h])
242 fi
243 if test $want_alsa = yes; then
244   AC_CHECK_HEADERS([alsa/asoundlib.h])
245 fi
246 if test $want_coreaudio = yes; then
247   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
248 fi
249 AC_CHECK_HEADERS([inttypes.h])
250 # We don't bother checking very standard stuff
251 # Compilation will fail if any of these headers are missing, so we
252 # check for them here and fail early.
253 if test $want_server = yes; then
254   AC_CHECK_HEADERS([db.h],[:],[
255     missing_headers="$missing_headers $ac_header"
256   ])
257   AC_CHECK_HEADERS([FLAC/file_decoder.h])
258 fi
259 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
260                  getopt.h iconv.h langinfo.h \
261                  pcre.h sys/ioctl.h \
262                  syslog.h unistd.h],[:],[
263   missing_headers="$missing_headers $ac_header"
264 ])
265
266 if test ! -z "$missing_headers"; then
267   AC_MSG_ERROR([missing headers:$missing_headers])
268 fi
269
270 # Checks for typedefs, structures, and compiler characteristics.
271 AC_C_CONST
272 AC_TYPE_SIZE_T
273 AC_C_INLINE
274 AC_C_BIGENDIAN
275 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
276 #include <netinet/in.h>])
277
278 # enable -Werror when we check for certain characteristics:
279
280 old_CFLAGS="${CFLAGS}"
281 CFLAGS="${CFLAGS} $gcc_werror"
282 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
283
284 # Some GCC invocations warn for converting function pointers to void *.
285 # This is fair enough, as it's technically forbidden, but we use dlsym()
286 # which can pretty much only exist if object and function pointers are
287 # interconvertable.  So we disable -Werror if need be.
288 if test ! -z "$gcc_werror"; then
289   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
290                  [rjk_cv_function_pointer_cast],[
291     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
292   void somefunction(void);],
293                       [(void *)somefunction])],
294                       [rjk_cv_function_pointer_cast=yes],
295                       [rjk_cv_function_pointer_cast=no])])
296   if test $rjk_cv_function_pointer_cast = no; then
297     gcc_werror=""
298   fi
299 fi
300
301 CFLAGS="${old_CFLAGS}"
302
303 # gcrypt maintainers keep changing everything.  Design your interface
304 # first, then implement it once, rather than getting it wrong three or
305 # four times and shipping between each attempt.
306 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
307                [rjk_cv_gcrypt_hash_handle],[
308   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
309 #include <gcrypt.h>
310 ],
311                [gcry_md_hd_t h;])],
312                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
313     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
314 #include <gcrypt.h>
315 ],
316                  [GcryMDHd h;])],
317                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
318                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
319 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
320                    [libgcrypt hash handle type])
321
322 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
323                [rjk_cv_have_gcry_error_t],[
324   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
325 #include <gcrypt.h>
326 ],
327                  [gcry_error_t e;])],
328                  [rjk_cv_have_gcry_error_t=yes],
329                  [rjk_cv_have_gcry_error_t=no])])
330 if test $rjk_cv_have_gcry_error_t = yes; then
331   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
332 fi
333
334 # Checks for functions
335 if test $ac_cv_type_long_long = yes; then
336   AC_CHECK_FUNCS([atoll strtoll],[:],[
337     missing_functions="$missing_functions $ac_func"
338   ])
339   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
340   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
341                  [rjk_cv_strtoll_declared],[
342     AC_EGREP_HEADER([strtoll], [stdlib.h],
343                     [rjk_cv_strtoll_declared=yes],
344                     [rjk_cv_strtoll_declared=no])])
345   if test $rjk_cv_strtoll_declared = yes; then
346     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
347   fi
348   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
349                  [rjk_cv_atoll_declared],[
350     AC_EGREP_HEADER([atoll], [stdlib.h],
351                     [rjk_cv_atoll_declared=yes],
352                     [rjk_cv_atoll_declared=no])])
353   if test $rjk_cv_atoll_declared = yes; then
354     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
355   fi
356 fi
357 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
358   missing_functions="$missing_functions $ac_func"
359 ])
360 # fsync will do if fdatasync not available
361 AC_CHECK_FUNCS([fdatasync],[:],[
362   AC_CHECK_FUNCS([fsync],
363                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
364                  [missing_functions="$missing_functions fdatasync"])])
365 if test ! -z "$missing_functions"; then
366   AC_MSG_ERROR([missing functions:$missing_functions])
367 fi
368 if test $want_server = yes; then
369   # <db.h> had better be version 3 or later
370   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
371     AC_PREPROC_IFELSE([
372                        #include <db.h>
373                        #ifndef DB_VERSION_MAJOR
374                        # error cannot determine db version
375                        #endif
376                        #if DB_VERSION_MAJOR < 4
377                        # error inadequate db version
378                        #endif
379                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
380                        # error inadequate db version
381                        #endif
382                       ],
383                       [rjk_cv_db_version=ok],
384                       [rjk_cv_db_version=inadequate])
385   ])
386   if test $rjk_cv_db_version != ok; then
387     AC_MSG_ERROR([need db.h version at least 4.2])
388   fi
389 fi
390
391 if test "x$GCC" = xyes; then
392   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
393   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
394     old_CC="$CC"
395     if test $GCC = yes; then
396       CC="$CC -Wall -Werror"
397     fi
398     AC_COMPILE_IFELSE([
399       static int x(char *f) {
400        return *f;
401       }
402       int z(const char *g) {
403         return x((char *)g);
404       }],
405       [rjk_cv_pr29478=no],
406       [rjk_cv_pr29478=yes]
407     )
408     CC="$old_CC"
409   ])
410   if test $rjk_cv_pr29478 = yes; then
411     gcc_werror=''
412   fi
413
414   # a reasonable default set of warnings
415   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
416         -Wwrite-strings -Wmissing-prototypes \
417         -Wmissing-declarations -Wnested-externs"
418
419   # Fix up GTK+ and GLib compiler flags
420   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
421   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
422
423   if test "$gcc_werror" != ''; then
424     # GCC 2.95 doesn't know to ignore warnings from system headers
425     AC_CACHE_CHECK([whether -Werror is usable],
426                     rjk_cv_werror, [
427       save_CFLAGS="${CFLAGS}"
428       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
429       AC_TRY_COMPILE([#include <gtk/gtk.h>],
430                      [],
431                      [rjk_cv_werror=yes],
432                      [rjk_cv_werror=no])
433       CFLAGS="${save_CFLAGS}"
434     ])
435     if test $rjk_cv_werror = no; then
436       gcc_werror=''
437     fi
438   fi
439   CC="${CC} $gcc_werror"
440
441   # for older GCCs that don't know %ju (etc)
442   AC_CACHE_CHECK([whether -Wno-format is required],
443                  rjk_cv_noformat,
444                  AC_TRY_COMPILE([#include <stdio.h>
445 #include <stdint.h>
446 ],
447                                 [printf("%ju", (uintmax_t)0);],
448                                 [rjk_cv_noformat=no],
449                                 [rjk_cv_noformat=yes]))
450   if test $rjk_cv_noformat = yes; then
451     CC="${CC} -Wno-format"
452   fi
453
454   AC_CACHE_CHECK([whether -Wshadow is OK],
455                  rjk_cv_shadow,
456                  oldCC="${CC}"
457                  CC="${CC} -Wshadow"
458                  [AC_TRY_COMPILE([
459 #include <unistd.h>
460 #include <vorbis/vorbisfile.h>
461 ],
462                                 [],
463                                 [rjk_cv_shadow=yes],
464                                 [rjk_cv_shadow=no])
465                  CC="${oldCC}"])
466   if test $rjk_cv_shadow = yes; then
467     CC="${CC} -Wshadow"
468   fi
469                   
470
471 fi
472
473 AH_BOTTOM([#ifdef __GNUC__
474 # define attribute(x) __attribute__(x)
475 #else
476 # define attribute(x)
477 #endif])
478
479 AC_CONFIG_FILES([Makefile
480                  templates/Makefile
481                  images/Makefile
482                  scripts/Makefile
483                  lib/Makefile
484                  server/Makefile
485                  clients/Makefile
486                  disobedience/Makefile
487                  doc/Makefile
488                  plugins/Makefile
489                  driver/Makefile
490                  debian/Makefile
491                  sounds/Makefile
492                  python/Makefile
493                  examples/Makefile
494                  tests/Makefile])
495 AC_OUTPUT
496
497 if test $GCC = yes && test "$gcc_werror" = ''; then
498   AC_MSG_WARN([building without -Werror])
499 fi
500 if test $want_python = no; then
501   AC_MSG_WARN([cannot run the test suit without Python])
502 fi