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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, 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 $want_coreaudio = yes; then
80     COREAUDIO="-framework CoreAudio"
81   fi
82   ;;
83 * )
84   AC_MSG_RESULT([unknown, winging it])
85   want_server=no
86   ;;
87 esac
88 AC_SUBST([COREAUDIO])
89
90 AC_ARG_WITH([server],
91             [AS_HELP_STRING([--without-server],
92                             [do not build server])],
93             [want_server=$withval])
94 AC_ARG_WITH([gtk],
95             [AS_HELP_STRING([--without-gtk],
96                             [do not build GTK+ client])],
97             [want_gtk=$withval])
98 AC_ARG_WITH([python],
99             [AS_HELP_STRING([--without-python],
100                             [do not build Python support])],
101             [want_python=$withval])
102
103 subdirs="scripts lib clients doc examples debian"
104
105 if test $want_server = yes; then
106   subdirs="${subdirs} server plugins driver templates sounds images"
107 fi
108 if test $want_python = yes; then
109   AM_PATH_PYTHON
110   subdirs="${subdirs} python"
111 fi
112 if test $want_gtk = yes; then
113   subdirs="${subdirs} disobedience"
114   if test $want_server = no; then
115     subdirs="${subdirs} images"
116   fi
117 fi
118 subdirs="${subdirs} tests"
119 AC_SUBST([subdirs])
120
121 # libtool config
122 AC_LIBTOOL_DLOPEN
123 AC_DISABLE_STATIC
124
125 AC_PROG_LIBTOOL
126
127 missing_libraries=""
128 missing_headers=""
129 missing_functions=""
130
131 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
132
133 # Macs might have libraries under fink's root
134 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
135 if test "x$FINK" != xnone; then
136   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
137     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
138   ])
139   finkdir="${rjk_cv_finkprefix}"
140   finkbindir="${rjk_cv_finkprefix}/bin"
141   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
142   if test $want_server = yes; then
143     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
144   fi
145   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
146 else
147   finkbindir=""
148 fi
149 AC_SUBST([finkdir])
150 AC_SUBST([finkbindir])
151
152 # Checks for libraries.
153 # We save up a list of missing libraries that we can't do without
154 # and report them all at once.
155 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
156             [missing_libraries="$missing_libraries libgc"])
157 AC_CHECK_LIB(gcrypt, gcry_md_open,
158              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
159             [missing_libraries="$missing_libraries libgcrypt"])
160 AC_CHECK_LIB(pcre, pcre_compile,
161              [AC_SUBST(LIBPCRE,[-lpcre])],
162              [missing_libraries="$missing_libraries libpcre"])
163 if test $want_alsa = yes; then
164   AC_CHECK_LIB([asound], [snd_pcm_open],
165                [AC_SUBST(LIBASOUND,[-lasound])])
166 fi
167 if test $want_server = yes; then
168   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
169                [AC_SUBST(LIBDB,[-ldb])],
170                [missing_libraries="$missing_libraries libdb"])
171   AC_CHECK_LIB(vorbis, vorbis_info_clear,
172                [:],
173                [missing_libraries="$missing_libraries libvorbis"])
174   AC_CHECK_LIB(vorbisfile, ov_open,
175                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
176                [missing_libraries="$missing_libraries libvorbisfile"],
177                [-lvorbis])
178   AC_CHECK_LIB(mad, mad_stream_init,
179                [AC_SUBST(LIBMAD,[-lmad])],
180                [missing_libraries="$missing_libraries libmad"])
181   AC_CHECK_LIB([ao], [ao_initialize],
182                [AC_SUBST(LIBAO,[-lao])],
183                [missing_libraries="$missing_libraries libao"])
184   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
185                [AC_SUBST(LIBFLAC,[-lFLAC])],
186                [missing_libraries="$missing_libraries libFLAC"])
187 fi
188
189 if test $want_gtk = yes; then
190   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
191   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
192 fi
193
194 # Some platforms have iconv already
195 AC_CHECK_FUNC(iconv_open, [:],
196               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
197                             [AC_SUBST(LIBICONV,[-liconv])],
198                             [missing_functions="$missing_functions iconv_open"])])
199 AC_CHECK_FUNC([gethostbyname],[:],[
200   AC_CHECK_LIB(nsl,gethostbyname,
201                [AC_SUBST(LIBNSL,[-lnsl])],
202                [missing_functions="$missing_functions gethostbyname"])])
203 AC_CHECK_FUNC([socket],[:],[
204   AC_CHECK_LIB(socket,socket,
205                [AC_SUBST(LIBSOCKET,[-lsocket])],
206                [missing_functions="$missing_functions socket"])])
207 AC_CHECK_FUNC([dlopen],[:],[
208   AC_CHECK_LIB(dl,dlopen,
209                [AC_SUBST(LIBDL,[-ldl])],
210                [missing_functions="$missing_functions dlopen"])])
211
212 if test ! -z "$missing_libraries"; then
213   AC_MSG_ERROR([missing libraries:$missing_libraries])
214 fi
215
216 # We require that libpcre support UTF-8
217 RJK_REQUIRE_PCRE_UTF8([-lpcre])
218
219 # Checks for header files.
220 RJK_FIND_GC_H
221 if test $want_oss = yes; then
222   AC_CHECK_HEADERS([sys/soundcard.h])
223 fi
224 if test $want_alsa = yes; then
225   AC_CHECK_HEADERS([alsa/asoundlib.h])
226 fi
227 if test $want_coreaudio = yes; then
228   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
229 fi
230 AC_CHECK_HEADERS([inttypes.h])
231 # We don't bother checking very standard stuff
232 # Compilation will fail if any of these headers are missing, so we
233 # check for them here and fail early.
234 if test $want_server = yes; then
235   AC_CHECK_HEADERS([db.h],[:],[
236     missing_headers="$missing_headers $ac_header"
237   ])
238 fi
239 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
240                  getopt.h iconv.h langinfo.h \
241                  pcre.h sys/ioctl.h \
242                  syslog.h unistd.h],[:],[
243   missing_headers="$missing_headers $ac_header"
244 ])
245
246 if test ! -z "$missing_headers"; then
247   AC_MSG_ERROR([missing headers:$missing_headers])
248 fi
249
250 # Checks for typedefs, structures, and compiler characteristics.
251 AC_C_CONST
252 AC_TYPE_SIZE_T
253 AC_C_INLINE
254 AC_C_BIGENDIAN
255 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
256 #include <netinet/in.h>])
257
258 # enable -Werror when we check for certain characteristics:
259
260 old_CFLAGS="${CFLAGS}"
261 CFLAGS="${CFLAGS} $gcc_werror"
262 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
263
264 # Some GCC invocations warn for converting function pointers to void *.
265 # This is fair enough, as it's technically forbidden, but we use dlsym()
266 # which can pretty much only exist if object and function pointers are
267 # interconvertable.  So we disable -Werror if need be.
268 if test ! -z "$gcc_werror"; then
269   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
270                  [rjk_cv_function_pointer_cast],[
271     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
272   void somefunction(void);],
273                       [(void *)somefunction])],
274                       [rjk_cv_function_pointer_cast=yes],
275                       [rjk_cv_function_pointer_cast=no])])
276   if test $rjk_cv_function_pointer_cast = no; then
277     gcc_werror=""
278   fi
279 fi
280
281 CFLAGS="${old_CFLAGS}"
282
283 # gcrypt maintainers keep changing everything.  Design your interface
284 # first, then implement it once, rather than getting it wrong three or
285 # four times and shipping between each attempt.
286 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
287                [rjk_cv_gcrypt_hash_handle],[
288   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
289 #include <gcrypt.h>
290 ],
291                [gcry_md_hd_t h;])],
292                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
293     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
294 #include <gcrypt.h>
295 ],
296                  [GcryMDHd h;])],
297                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
298                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
299 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
300                    [libgcrypt hash handle type])
301
302 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
303                [rjk_cv_have_gcry_error_t],[
304   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
305 #include <gcrypt.h>
306 ],
307                  [gcry_error_t e;])],
308                  [rjk_cv_have_gcry_error_t=yes],
309                  [rjk_cv_have_gcry_error_t=no])])
310 if test $rjk_cv_have_gcry_error_t = yes; then
311   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
312 fi
313
314 # Checks for functions
315 if test $ac_cv_type_long_long = yes; then
316   AC_CHECK_FUNCS([atoll strtoll],[:],[
317     missing_functions="$missing_functions $ac_func"
318   ])
319   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
320   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
321                  [rjk_cv_strtoll_declared],[
322     AC_EGREP_HEADER([strtoll], [stdlib.h],
323                     [rjk_cv_strtoll_declared=yes],
324                     [rjk_cv_strtoll_declared=no])])
325   if test $rjk_cv_strtoll_declared = yes; then
326     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
327   fi
328   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
329                  [rjk_cv_atoll_declared],[
330     AC_EGREP_HEADER([atoll], [stdlib.h],
331                     [rjk_cv_atoll_declared=yes],
332                     [rjk_cv_atoll_declared=no])])
333   if test $rjk_cv_atoll_declared = yes; then
334     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
335   fi
336 fi
337 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
338   missing_functions="$missing_functions $ac_func"
339 ])
340 # fsync will do if fdatasync not available
341 AC_CHECK_FUNCS([fdatasync],[:],[
342   AC_CHECK_FUNCS([fsync],
343                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
344                  [missing_functions="$missing_functions fdatasync"])])
345 if test ! -z "$missing_functions"; then
346   AC_MSG_ERROR([missing functions:$missing_functions])
347 fi
348 if test $want_server = yes; then
349   # <db.h> had better be version 3 or later
350   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
351     AC_PREPROC_IFELSE([
352                        #include <db.h>
353                        #ifndef DB_VERSION_MAJOR
354                        # error cannot determine db version
355                        #endif
356                        #if DB_VERSION_MAJOR < 4
357                        # error inadequate db version
358                        #endif
359                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
360                        # error inadequate db version
361                        #endif
362                       ],
363                       [rjk_cv_db_version=ok],
364                       [rjk_cv_db_version=inadequate])
365   ])
366   if test $rjk_cv_db_version != ok; then
367     AC_MSG_ERROR([need db.h version at least 4.2])
368   fi
369 fi
370
371 if test "x$GCC" = xyes; then
372   # a reasonable default set of warnings
373   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
374         -Wwrite-strings -Wmissing-prototypes \
375         -Wmissing-declarations -Wnested-externs"
376
377   # Fix up GTK+ and GLib compiler flags
378   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
379   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
380
381   # GCC 2.95 doesn't know to ignore warnings from system headers
382   AC_CACHE_CHECK([whether -Werror is usable],
383                   rjk_cv_werror, [
384     save_CFLAGS="${CFLAGS}"
385     CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
386     AC_TRY_COMPILE([#include <gtk/gtk.h>],
387                    [],
388                    [rjk_cv_werror=yes],
389                    [rjk_cv_werror=no])
390     CFLAGS="${save_CFLAGS}"
391   ])
392   if test $rjk_cv_werror = no; then
393     gcc_werror=''
394   fi
395   CC="${CC} $gcc_werror"
396
397   # for older GCCs that don't know %ju (etc)
398   AC_CACHE_CHECK([whether -Wno-format is required],
399                  rjk_cv_noformat,
400                  AC_TRY_COMPILE([#include <stdio.h>
401 #include <stdint.h>
402 ],
403                                 [printf("%ju", (uintmax_t)0);],
404                                 [rjk_cv_noformat=no],
405                                 [rjk_cv_noformat=yes]))
406   if test $rjk_cv_noformat = yes; then
407     CC="${CC} -Wno-format"
408   fi
409
410   AC_CACHE_CHECK([whether -Wshadow is OK],
411                  rjk_cv_shadow,
412                  oldCC="${CC}"
413                  CC="${CC} -Wshadow"
414                  [AC_TRY_COMPILE([
415 #include <unistd.h>
416 #include <vorbis/vorbisfile.h>
417 ],
418                                 [],
419                                 [rjk_cv_shadow=yes],
420                                 [rjk_cv_shadow=no])
421                  CC="${oldCC}"])
422   if test $rjk_cv_shadow = yes; then
423     CC="${CC} -Wshadow"
424   fi
425                   
426
427 fi
428
429 AH_BOTTOM([#ifdef __GNUC__
430 # define attribute(x) __attribute__(x)
431 #else
432 # define attribute(x)
433 #endif])
434
435 AC_CONFIG_FILES([Makefile
436                  templates/Makefile
437                  images/Makefile
438                  scripts/Makefile
439                  lib/Makefile
440                  server/Makefile
441                  clients/Makefile
442                  disobedience/Makefile
443                  doc/Makefile
444                  plugins/Makefile
445                  driver/Makefile
446                  debian/Makefile
447                  sounds/Makefile
448                  python/Makefile
449                  examples/Makefile
450                  tests/Makefile])
451 AC_OUTPUT