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