chiark / gitweb /
disobedience more robust against server restart
[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_server=yes
33 want_gtk=yes
34 want_python=yes
35
36 case "$host" in
37 *linux* | *Linux* )
38   want_alsa=yes
39   ;;
40 * )
41   want_alsa=no
42   ;;
43 esac
44
45 # Checks for programs.
46 AC_PROG_CC
47 AC_SET_MAKE
48 if test "x$GCC" = xyes; then
49   gcc_werror=-Werror
50 else
51   gcc_werror=""
52 fi
53
54 AC_ARG_WITH([server],
55             [AS_HELP_STRING([--without-server],
56                             [do not build server])],
57             [want_server=$withval])
58 AC_ARG_WITH([gtk],
59             [AS_HELP_STRING([--without-gtk],
60                             [do not build GTK+ client])],
61             [want_gtk=$withval])
62 AC_ARG_WITH([python],
63             [AS_HELP_STRING([--without-python],
64                             [do not build Python support])],
65             [want_python=$withval])
66
67 subdirs="scripts lib clients doc examples debian"
68
69 if test $want_server = yes; then
70   subdirs="${subdirs} server plugins driver templates sounds images"
71 fi
72 if test $want_python = yes; then
73   AM_PATH_PYTHON
74   subdirs="${subdirs} python"
75 fi
76 if test $want_gtk = yes; then
77   subdirs="${subdirs} disobedience"
78   if test $want_server = no; then
79     subdirs="${subdirs} images"
80   fi
81 fi
82 AC_SUBST([subdirs])
83
84 # libtool config
85 AC_LIBTOOL_DLOPEN
86 AC_DISABLE_STATIC
87
88 AC_PROG_LIBTOOL
89
90 missing_libraries=""
91 missing_headers=""
92 missing_functions=""
93
94 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
95
96 # Macs might have libraries under fink's root
97 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
98 if test "x$FINK" != xnone; then
99   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
100     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
101   ])
102   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include"
103   if test $want_server = yes; then
104     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
105   fi
106   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
107 fi
108
109 # Checks for libraries.
110 # We save up a list of missing libraries that we can't do without
111 # and report them all at once.
112 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
113             [missing_libraries="$missing_libraries libgc"])
114 AC_CHECK_LIB(gcrypt, gcry_md_open,
115              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
116             [missing_libraries="$missing_libraries libgcrypt"])
117 AC_CHECK_LIB(pcre, pcre_compile,
118              [AC_SUBST(LIBPCRE,[-lpcre])],
119              [missing_libraries="$missing_libraries libpcre"])
120 if test $want_server = yes; then
121   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
122                [AC_SUBST(LIBDB,[-ldb])],
123                [missing_libraries="$missing_libraries libdb"])
124   AC_CHECK_LIB(vorbis, vorbis_info_clear,
125                [:],
126                [missing_libraries="$missing_libraries libvorbis"])
127   AC_CHECK_LIB(vorbisfile, ov_open,
128                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
129                [missing_libraries="$missing_libraries libvorbisfile"],
130                [-lvorbis])
131   AC_CHECK_LIB(mad, mad_stream_init,
132                [AC_SUBST(LIBMAD,[-lmad])],
133                [missing_libraries="$missing_libraries libmad"])
134   AC_CHECK_LIB([ao], [ao_initialize],
135                [AC_SUBST(LIBAO,[-lao])],
136                [missing_libraries="$missing_libraries libao"])
137   if test $want_alsa = yes; then
138     AC_CHECK_LIB([asound], [snd_pcm_open],
139                  [AC_SUBST(LIBASOUND,[-lasound])],
140                  [missing_libraries="$missing_libraries libasound"])
141     AC_DEFINE([API_ALSA],[1],[define to use the ALSA API])
142   fi
143 fi
144
145 if test $want_gtk = yes; then
146   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
147   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
148 fi
149
150 # Some platforms have iconv already
151 AC_CHECK_FUNC(iconv_open, [:],
152               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
153                             [AC_SUBST(LIBICONV,[-liconv])],
154                             [missing_functions="$missing_functions iconv_open"])])
155 AC_CHECK_FUNC([gethostbyname],[:],[
156   AC_CHECK_LIB(nsl,gethostbyname,
157                [AC_SUBST(LIBNSL,[-lnsl])],
158                [missing_functions="$missing_functions gethostbyname"])])
159 AC_CHECK_FUNC([socket],[:],[
160   AC_CHECK_LIB(socket,socket,
161                [AC_SUBST(LIBSOCKET,[-lsocket])],
162                [missing_functions="$missing_functions socket"])])
163 AC_CHECK_FUNC([dlopen],[:],[
164   AC_CHECK_LIB(dl,dlopen,
165                [AC_SUBST(LIBDL,[-ldl])],
166                [missing_functions="$missing_functions dlopen"])])
167
168 if test ! -z "$missing_libraries"; then
169   AC_MSG_ERROR([missing libraries:$missing_libraries])
170 fi
171
172 # We require that libpcre support UTF-8
173 RJK_REQUIRE_PCRE_UTF8([-lpcre])
174
175 # Checks for header files.
176 RJK_FIND_GC_H
177 AC_CHECK_HEADERS([inttypes.h])
178 # Compilation will fail if any of these headers are missing, so we
179 # check for them here and fail early.
180 # We don't bother checking very standard stuff
181 if test $want_server = yes; then
182   AC_CHECK_HEADERS([db.h],[:],[
183     missing_headers="$missing_headers $ac_header"
184   ])
185   AC_CHECK_HEADERS([sys/soundcard.h]) dnl can cope without
186 fi
187 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
188                  getopt.h iconv.h langinfo.h \
189                  pcre.h sys/ioctl.h \
190                  syslog.h unistd.h],[:],[
191   missing_headers="$missing_headers $ac_header"
192 ])
193
194 if test ! -z "$missing_headers"; then
195   AC_MSG_ERROR([missing headers:$missing_headers])
196 fi
197
198 # Checks for typedefs, structures, and compiler characteristics.
199 AC_C_CONST
200 AC_TYPE_SIZE_T
201 AC_C_INLINE
202 AC_C_BIGENDIAN
203 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
204 #include <netinet/in.h>])
205
206 # enable -Werror when we check for certain characteristics:
207
208 old_CFLAGS="${CFLAGS}"
209 CFLAGS="${CFLAGS} $gcc_werror"
210 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
211
212 # Some GCC invocations warn for converting function pointers to void *.
213 # This is fair enough, as it's technically forbidden, but we use dlsym()
214 # which can pretty much only exist if object and function pointers are
215 # interconvertable.  So we disable -Werror if need be.
216 if test ! -z "$gcc_werror"; then
217   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
218                  [rjk_cv_function_pointer_cast],[
219     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
220   void somefunction(void);],
221                       [(void *)somefunction])],
222                       [rjk_cv_function_pointer_cast=yes],
223                       [rjk_cv_function_pointer_cast=no])])
224   if test $rjk_cv_function_pointer_cast = no; then
225     gcc_werror=""
226   fi
227 fi
228
229 CFLAGS="${old_CFLAGS}"
230
231 # gcrypt maintainers keep changing everything.  Design your interface
232 # first, then implement it once, rather than getting it wrong three or
233 # four times and shipping between each attempt.
234 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
235                [rjk_cv_gcrypt_hash_handle],[
236   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
237 #include <gcrypt.h>
238 ],
239                [gcry_md_hd_t h;])],
240                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
241     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
242 #include <gcrypt.h>
243 ],
244                  [GcryMDHd h;])],
245                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
246                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
247 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
248                    [libgcrypt hash handle type])
249
250 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
251                [rjk_cv_have_gcry_error_t],[
252   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
253 #include <gcrypt.h>
254 ],
255                  [gcry_error_t e;])],
256                  [rjk_cv_have_gcry_error_t=yes],
257                  [rjk_cv_have_gcry_error_t=no])])
258 if test $rjk_cv_have_gcry_error_t = yes; then
259   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
260 fi
261
262 # Checks for functions
263 if test $ac_cv_type_long_long = yes; then
264   AC_CHECK_FUNCS([atoll strtoll],[:],[
265     missing_functions="$missing_functions $ac_func"
266   ])
267   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
268   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
269                  [rjk_cv_strtoll_declared],[
270     AC_EGREP_HEADER([strtoll], [stdlib.h],
271                     [rjk_cv_strtoll_declared=yes],
272                     [rjk_cv_strtoll_declared=no])])
273   if test $rjk_cv_strtoll_declared = yes; then
274     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
275   fi
276   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
277                  [rjk_cv_atoll_declared],[
278     AC_EGREP_HEADER([atoll], [stdlib.h],
279                     [rjk_cv_atoll_declared=yes],
280                     [rjk_cv_atoll_declared=no])])
281   if test $rjk_cv_atoll_declared = yes; then
282     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
283   fi
284 fi
285 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
286   missing_functions="$missing_functions $ac_func"
287 ])
288 # fsync will do if fdatasync not available
289 AC_CHECK_FUNCS([fdatasync],[:],[
290   AC_CHECK_FUNCS([fsync],
291                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
292                  [missing_functions="$missing_functions fdatasync"])])
293 if test ! -z "$missing_functions"; then
294   AC_MSG_ERROR([missing functions:$missing_functions])
295 fi
296 if test $want_server = yes; then
297   # <db.h> had better be version 3 or later
298   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
299     AC_PREPROC_IFELSE([
300                        #include <db.h>
301                        #ifndef DB_VERSION_MAJOR
302                        # error cannot determine db version
303                        #endif
304                        #if DB_VERSION_MAJOR < 4
305                        # error inadequate db version
306                        #endif
307                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
308                        # error inadequate db version
309                        #endif
310                       ],
311                       [rjk_cv_db_version=ok],
312                       [rjk_cv_db_version=inadequate])
313   ])
314   if test $rjk_cv_db_version != ok; then
315     AC_MSG_ERROR([need db.h version at least 4.2])
316   fi
317 fi
318
319 if test "x$GCC" = xyes; then
320   # a reasonable default set of warnings
321   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
322         -Wwrite-strings -Wmissing-prototypes \
323         -Wmissing-declarations -Wnested-externs"
324
325   # Fix up GTK+ and GLib compiler flags
326   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
327   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
328
329   # GCC 2.95 doesn't know to ignore warnings from system headers
330   AC_CACHE_CHECK([whether -Werror is usable],
331                   rjk_cv_werror, [
332     save_CFLAGS="${CFLAGS}"
333     CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
334     AC_TRY_COMPILE([#include <gtk/gtk.h>],
335                    [],
336                    [rjk_cv_werror=yes],
337                    [rjk_cv_werror=no])
338     CFLAGS="${save_CFLAGS}"
339   ])
340   if test $rjk_cv_werror = no; then
341     gcc_werror=''
342   fi
343   CC="${CC} $gcc_werror"
344
345   # for older GCCs that don't know %ju (etc)
346   AC_CACHE_CHECK([whether -Wno-format is required],
347                  rjk_cv_noformat,
348                  AC_TRY_COMPILE([#include <stdio.h>
349 #include <stdint.h>
350 ],
351                                 [printf("%ju", (uintmax_t)0);],
352                                 [rjk_cv_noformat=no],
353                                 [rjk_cv_noformat=yes]))
354   if test $rjk_cv_noformat = yes; then
355     CC="${CC} -Wno-format"
356   fi
357
358   AC_CACHE_CHECK([whether -Wshadow is OK],
359                  rjk_cv_shadow,
360                  oldCC="${CC}"
361                  CC="${CC} -Wshadow"
362                  [AC_TRY_COMPILE([
363 #include <unistd.h>
364 #include <vorbis/vorbisfile.h>
365 ],
366                                 [],
367                                 [rjk_cv_shadow=yes],
368                                 [rjk_cv_shadow=no])
369                  CC="${oldCC}"])
370   if test $rjk_cv_shadow = yes; then
371     CC="${CC} -Wshadow"
372   fi
373                   
374
375 fi
376
377 AH_BOTTOM([#ifdef __GNUC__
378 # define attribute(x) __attribute__(x)
379 #else
380 # define attribute(x)
381 #endif])
382
383 AC_CONFIG_FILES([Makefile
384                  templates/Makefile
385                  images/Makefile
386                  scripts/Makefile
387                  lib/Makefile
388                  server/Makefile
389                  clients/Makefile
390                  disobedience/Makefile
391                  doc/Makefile
392                  plugins/Makefile
393                  driver/Makefile
394                  debian/Makefile
395                  sounds/Makefile
396                  python/Makefile
397                  examples/Makefile])
398 AC_OUTPUT