chiark / gitweb /
0f9258ccd6a02c94885bea4699ce839989128322
[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 # Checks for programs.
36 AC_PROG_CC
37 AC_SET_MAKE
38 if test "x$GCC" = xyes; then
39   gcc_werror=-Werror
40 else
41   gcc_werror=""
42 fi
43
44 AC_MSG_CHECKING([for a known target platform])
45 case "$host" in
46 *empeg* )
47   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
48   # work around broken toolchain
49   AC_CHECK_LIB([gpg-error], [gpg_strerror])
50   want_server=no
51   AC_MSG_RESULT([empeg car stereo])
52  ;;
53 *linux* | *Linux* )
54   want_server=yes
55   AC_MSG_RESULT([Linux])
56   ;;
57 *-apple-darwin* )
58   want_server=no
59   COREAUDIO="-framework CoreAudio"
60   AC_MSG_RESULT([Mac OS X])
61   ;;
62 * )
63   want_server=no
64   AC_MSG_RESULT([unknown, winging it])
65   ;;
66 esac
67 AC_SUBST([COREAUDIO])
68
69 AC_ARG_WITH([server],
70             [AS_HELP_STRING([--without-server],
71                             [do not build server])],
72             [want_server=$withval])
73 AC_ARG_WITH([gtk],
74             [AS_HELP_STRING([--without-gtk],
75                             [do not build GTK+ client])],
76             [want_gtk=$withval])
77 AC_ARG_WITH([python],
78             [AS_HELP_STRING([--without-python],
79                             [do not build Python support])],
80             [want_python=$withval])
81
82 subdirs="scripts lib clients doc examples debian"
83
84 if test $want_server = yes; then
85   subdirs="${subdirs} server plugins driver templates sounds images"
86 fi
87 if test $want_python = yes; then
88   AM_PATH_PYTHON
89   subdirs="${subdirs} python"
90 fi
91 if test $want_gtk = yes; then
92   subdirs="${subdirs} disobedience"
93   if test $want_server = no; then
94     subdirs="${subdirs} images"
95   fi
96 fi
97 subdirs="${subdirs} tests"
98 AC_SUBST([subdirs])
99
100 # libtool config
101 AC_LIBTOOL_DLOPEN
102 AC_DISABLE_STATIC
103
104 AC_PROG_LIBTOOL
105
106 missing_libraries=""
107 missing_headers=""
108 missing_functions=""
109
110 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
111
112 # Macs might have libraries under fink's root
113 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
114 if test "x$FINK" != xnone; then
115   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
116     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
117   ])
118   finkbindir="${rjk_cv_finkprefix}/bin"
119   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
120   if test $want_server = yes; then
121     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
122   fi
123   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
124 else
125   finkbindir=""
126 fi
127 AC_SUBST([finkbindir])
128
129 # Checks for libraries.
130 # We save up a list of missing libraries that we can't do without
131 # and report them all at once.
132 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
133             [missing_libraries="$missing_libraries libgc"])
134 AC_CHECK_LIB(gcrypt, gcry_md_open,
135              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
136             [missing_libraries="$missing_libraries libgcrypt"])
137 AC_CHECK_LIB(pcre, pcre_compile,
138              [AC_SUBST(LIBPCRE,[-lpcre])],
139              [missing_libraries="$missing_libraries libpcre"])
140 AC_CHECK_LIB([asound], [snd_pcm_open],
141              [AC_SUBST(LIBASOUND,[-lasound])])
142 if test $want_server = yes; then
143   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
144                [AC_SUBST(LIBDB,[-ldb])],
145                [missing_libraries="$missing_libraries libdb"])
146   AC_CHECK_LIB(vorbis, vorbis_info_clear,
147                [:],
148                [missing_libraries="$missing_libraries libvorbis"])
149   AC_CHECK_LIB(vorbisfile, ov_open,
150                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
151                [missing_libraries="$missing_libraries libvorbisfile"],
152                [-lvorbis])
153   AC_CHECK_LIB(mad, mad_stream_init,
154                [AC_SUBST(LIBMAD,[-lmad])],
155                [missing_libraries="$missing_libraries libmad"])
156   AC_CHECK_LIB([ao], [ao_initialize],
157                [AC_SUBST(LIBAO,[-lao])],
158                [missing_libraries="$missing_libraries libao"])
159   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
160                [AC_SUBST(LIBFLAC,[-lFLAC])],
161                [missing_libraries="$missing_libraries libFLAC"])
162 fi
163
164 if test $want_gtk = yes; then
165   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
166   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
167 fi
168
169 # Some platforms have iconv already
170 AC_CHECK_FUNC(iconv_open, [:],
171               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
172                             [AC_SUBST(LIBICONV,[-liconv])],
173                             [missing_functions="$missing_functions iconv_open"])])
174 AC_CHECK_FUNC([gethostbyname],[:],[
175   AC_CHECK_LIB(nsl,gethostbyname,
176                [AC_SUBST(LIBNSL,[-lnsl])],
177                [missing_functions="$missing_functions gethostbyname"])])
178 AC_CHECK_FUNC([socket],[:],[
179   AC_CHECK_LIB(socket,socket,
180                [AC_SUBST(LIBSOCKET,[-lsocket])],
181                [missing_functions="$missing_functions socket"])])
182 AC_CHECK_FUNC([dlopen],[:],[
183   AC_CHECK_LIB(dl,dlopen,
184                [AC_SUBST(LIBDL,[-ldl])],
185                [missing_functions="$missing_functions dlopen"])])
186
187 if test ! -z "$missing_libraries"; then
188   AC_MSG_ERROR([missing libraries:$missing_libraries])
189 fi
190
191 # We require that libpcre support UTF-8
192 RJK_REQUIRE_PCRE_UTF8([-lpcre])
193
194 # Checks for header files.
195 RJK_FIND_GC_H
196 AC_CHECK_HEADERS([inttypes.h CoreAudio/AudioHardware.h sys/soundcard.h alsa/asoundlib.h])
197 # We don't bother checking very standard stuff
198 # Compilation will fail if any of these headers are missing, so we
199 # check for them here and fail early.
200 if test $want_server = yes; then
201   AC_CHECK_HEADERS([db.h],[:],[
202     missing_headers="$missing_headers $ac_header"
203   ])
204 fi
205 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
206                  getopt.h iconv.h langinfo.h \
207                  pcre.h sys/ioctl.h \
208                  syslog.h unistd.h],[:],[
209   missing_headers="$missing_headers $ac_header"
210 ])
211
212 if test ! -z "$missing_headers"; then
213   AC_MSG_ERROR([missing headers:$missing_headers])
214 fi
215
216 # Checks for typedefs, structures, and compiler characteristics.
217 AC_C_CONST
218 AC_TYPE_SIZE_T
219 AC_C_INLINE
220 AC_C_BIGENDIAN
221 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
222 #include <netinet/in.h>])
223
224 # enable -Werror when we check for certain characteristics:
225
226 old_CFLAGS="${CFLAGS}"
227 CFLAGS="${CFLAGS} $gcc_werror"
228 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
229
230 # Some GCC invocations warn for converting function pointers to void *.
231 # This is fair enough, as it's technically forbidden, but we use dlsym()
232 # which can pretty much only exist if object and function pointers are
233 # interconvertable.  So we disable -Werror if need be.
234 if test ! -z "$gcc_werror"; then
235   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
236                  [rjk_cv_function_pointer_cast],[
237     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
238   void somefunction(void);],
239                       [(void *)somefunction])],
240                       [rjk_cv_function_pointer_cast=yes],
241                       [rjk_cv_function_pointer_cast=no])])
242   if test $rjk_cv_function_pointer_cast = no; then
243     gcc_werror=""
244   fi
245 fi
246
247 CFLAGS="${old_CFLAGS}"
248
249 # gcrypt maintainers keep changing everything.  Design your interface
250 # first, then implement it once, rather than getting it wrong three or
251 # four times and shipping between each attempt.
252 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
253                [rjk_cv_gcrypt_hash_handle],[
254   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
255 #include <gcrypt.h>
256 ],
257                [gcry_md_hd_t h;])],
258                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
259     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
260 #include <gcrypt.h>
261 ],
262                  [GcryMDHd h;])],
263                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
264                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
265 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
266                    [libgcrypt hash handle type])
267
268 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
269                [rjk_cv_have_gcry_error_t],[
270   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
271 #include <gcrypt.h>
272 ],
273                  [gcry_error_t e;])],
274                  [rjk_cv_have_gcry_error_t=yes],
275                  [rjk_cv_have_gcry_error_t=no])])
276 if test $rjk_cv_have_gcry_error_t = yes; then
277   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
278 fi
279
280 # Checks for functions
281 if test $ac_cv_type_long_long = yes; then
282   AC_CHECK_FUNCS([atoll strtoll],[:],[
283     missing_functions="$missing_functions $ac_func"
284   ])
285   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
286   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
287                  [rjk_cv_strtoll_declared],[
288     AC_EGREP_HEADER([strtoll], [stdlib.h],
289                     [rjk_cv_strtoll_declared=yes],
290                     [rjk_cv_strtoll_declared=no])])
291   if test $rjk_cv_strtoll_declared = yes; then
292     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
293   fi
294   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
295                  [rjk_cv_atoll_declared],[
296     AC_EGREP_HEADER([atoll], [stdlib.h],
297                     [rjk_cv_atoll_declared=yes],
298                     [rjk_cv_atoll_declared=no])])
299   if test $rjk_cv_atoll_declared = yes; then
300     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
301   fi
302 fi
303 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
304   missing_functions="$missing_functions $ac_func"
305 ])
306 # fsync will do if fdatasync not available
307 AC_CHECK_FUNCS([fdatasync],[:],[
308   AC_CHECK_FUNCS([fsync],
309                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
310                  [missing_functions="$missing_functions fdatasync"])])
311 if test ! -z "$missing_functions"; then
312   AC_MSG_ERROR([missing functions:$missing_functions])
313 fi
314 if test $want_server = yes; then
315   # <db.h> had better be version 3 or later
316   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
317     AC_PREPROC_IFELSE([
318                        #include <db.h>
319                        #ifndef DB_VERSION_MAJOR
320                        # error cannot determine db version
321                        #endif
322                        #if DB_VERSION_MAJOR < 4
323                        # error inadequate db version
324                        #endif
325                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
326                        # error inadequate db version
327                        #endif
328                       ],
329                       [rjk_cv_db_version=ok],
330                       [rjk_cv_db_version=inadequate])
331   ])
332   if test $rjk_cv_db_version != ok; then
333     AC_MSG_ERROR([need db.h version at least 4.2])
334   fi
335 fi
336
337 if test "x$GCC" = xyes; then
338   # a reasonable default set of warnings
339   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
340         -Wwrite-strings -Wmissing-prototypes \
341         -Wmissing-declarations -Wnested-externs"
342
343   # Fix up GTK+ and GLib compiler flags
344   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
345   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
346
347   # GCC 2.95 doesn't know to ignore warnings from system headers
348   AC_CACHE_CHECK([whether -Werror is usable],
349                   rjk_cv_werror, [
350     save_CFLAGS="${CFLAGS}"
351     CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
352     AC_TRY_COMPILE([#include <gtk/gtk.h>],
353                    [],
354                    [rjk_cv_werror=yes],
355                    [rjk_cv_werror=no])
356     CFLAGS="${save_CFLAGS}"
357   ])
358   if test $rjk_cv_werror = no; then
359     gcc_werror=''
360   fi
361   CC="${CC} $gcc_werror"
362
363   # for older GCCs that don't know %ju (etc)
364   AC_CACHE_CHECK([whether -Wno-format is required],
365                  rjk_cv_noformat,
366                  AC_TRY_COMPILE([#include <stdio.h>
367 #include <stdint.h>
368 ],
369                                 [printf("%ju", (uintmax_t)0);],
370                                 [rjk_cv_noformat=no],
371                                 [rjk_cv_noformat=yes]))
372   if test $rjk_cv_noformat = yes; then
373     CC="${CC} -Wno-format"
374   fi
375
376   AC_CACHE_CHECK([whether -Wshadow is OK],
377                  rjk_cv_shadow,
378                  oldCC="${CC}"
379                  CC="${CC} -Wshadow"
380                  [AC_TRY_COMPILE([
381 #include <unistd.h>
382 #include <vorbis/vorbisfile.h>
383 ],
384                                 [],
385                                 [rjk_cv_shadow=yes],
386                                 [rjk_cv_shadow=no])
387                  CC="${oldCC}"])
388   if test $rjk_cv_shadow = yes; then
389     CC="${CC} -Wshadow"
390   fi
391                   
392
393 fi
394
395 AH_BOTTOM([#ifdef __GNUC__
396 # define attribute(x) __attribute__(x)
397 #else
398 # define attribute(x)
399 #endif])
400
401 AC_CONFIG_FILES([Makefile
402                  templates/Makefile
403                  images/Makefile
404                  scripts/Makefile
405                  lib/Makefile
406                  server/Makefile
407                  clients/Makefile
408                  disobedience/Makefile
409                  doc/Makefile
410                  plugins/Makefile
411                  driver/Makefile
412                  debian/Makefile
413                  sounds/Makefile
414                  python/Makefile
415                  examples/Makefile
416                  tests/Makefile])
417 AC_OUTPUT