chiark - git - mdw - disorder/blob - 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 # Portions copyright (C) 2007 Ross Younger
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20 # USA
  21 #
  22
  23 AC_INIT([disorder], [2.0+], [richard+disorder@sfere.greenend.org.uk])
  24 AC_CONFIG_AUX_DIR([config.aux])
  25 AM_INIT_AUTOMAKE(disorder, [2.0+])
  26 AC_CONFIG_SRCDIR([server/disorderd.c])
  27 AM_CONFIG_HEADER([config.h])
  28
  29 # Find host type
  30 AC_CANONICAL_HOST
  31
  32 # What we want to build
  33 want_gtk=yes
  34 want_python=yes
  35
  36 # APIs we want
  37 want_alsa=yes
  38 want_oss=yes
  39 want_coreaudio=yes
  40
  41 # Checks for programs.
  42 AC_PROG_CC
  43 AC_SET_MAKE
  44 if test "x$GCC" = xyes; then
  45   gcc_werror=-Werror
  46 else
  47   gcc_werror=""
  48 fi
  49
  50 AC_ARG_WITH([alsa],
  51             [AS_HELP_STRING([--without-alsa],
  52                             [do not build with ALSA support])],
  53             [want_alsa=$withval])
  54 AC_ARG_WITH([oss],
  55             [AS_HELP_STRING([--without-oss],
  56                             [do not build with OSS support])],
  57             [want_oss=$withval])
  58 AC_ARG_WITH([coreaudio],
  59             [AS_HELP_STRING([--without-coreaudio],
  60                             [do not build with Core Audio support])],
  61             [want_coreaudio=$withval])
  62
  63 AC_MSG_CHECKING([for a known target platform])
  64 case "$host" in
  65 *empeg* )
  66   AC_MSG_RESULT([empeg car stereo])
  67   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  68   # work around broken toolchain
  69   AC_CHECK_LIB([gpg-error], [gpg_strerror])
  70   AC_CHECK_LIB([pthread], [pthread_create])
  71   want_server=no
  72  ;;
  73 *linux* | *Linux* )
  74   AC_MSG_RESULT([Linux])
  75   want_server=yes
  76   ;;
  77 *-apple-darwin* )
  78   AC_MSG_RESULT([Mac OS X])
  79   want_server=yes
  80   if test $want_coreaudio = yes; then
  81     COREAUDIO="-framework CoreAudio"
  82   fi
  83   browser=open
  84   ;;
  85 *-freebsd* )
  86   AC_MSG_RESULT([FreeBSD])
  87   want_server=yes
  88   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
  89   CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
  90   ;;
  91 * )
  92   AC_MSG_RESULT([unknown, winging it])
  93   want_server=no
  94   ;;
  95 esac
  96 AC_SUBST([COREAUDIO])
  97
  98 AC_ARG_WITH([browser],
  99             [AS_HELP_STRING([--with-browser=BROWSER],
 100                             [use BROWSER to display HTML])],
 101             [browser=$withval])
 102
 103 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 104   rjk_cv_browser=UNKNOWN
 105   for candidate in x-www-browser firefox mozilla konqueror netscape; do
 106     if type $candidate >/dev/null 2>&1; then
 107       rjk_cv_browser="$candidate"
 108       break
 109     fi
 110   done
 111 ])
 112 if test -z "$browser"; then
 113   browser="$rjk_cv_browser"
 114 fi
 115 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 116
 117 AC_ARG_WITH([server],
 118             [AS_HELP_STRING([--without-server],
 119                             [do not build server])],
 120             [want_server=$withval])
 121 AC_ARG_WITH([gtk],
 122             [AS_HELP_STRING([--without-gtk],
 123                             [do not build GTK+ client])],
 124             [want_gtk=$withval])
 125 AC_ARG_WITH([python],
 126             [AS_HELP_STRING([--without-python],
 127                             [do not build Python support])],
 128             [want_python=$withval])
 129
 130 subdirs="scripts lib clients doc examples debian"
 131
 132 if test $want_server = yes; then
 133   subdirs="${subdirs} server plugins driver templates sounds images"
 134 fi
 135 if test $want_gtk = yes; then
 136   subdirs="${subdirs} disobedience"
 137   if test $want_server = no; then
 138     subdirs="${subdirs} images"
 139   fi
 140 fi
 141 if test $want_python = yes; then
 142   AM_PATH_PYTHON([2.4])
 143   subdirs="${subdirs} python tests"
 144 fi
 145 AC_SUBST([subdirs])
 146
 147 # libtool config
 148 AC_LIBTOOL_DLOPEN
 149 AC_DISABLE_STATIC
 150
 151 AC_PROG_LIBTOOL
 152
 153 missing_libraries=""
 154 missing_headers=""
 155 missing_functions=""
 156
 157 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 158
 159 # Macs might have libraries under fink's root
 160 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 161 if test "x$FINK" != xnone; then
 162   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 163     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 164   ])
 165   finkdir="${rjk_cv_finkprefix}"
 166   finkbindir="${rjk_cv_finkprefix}/bin"
 167   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 168   if test $want_server = yes; then
 169     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 170   fi
 171   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 172 else
 173   finkbindir=""
 174 fi
 175 AC_SUBST([finkdir])
 176 AC_SUBST([finkbindir])
 177
 178 # Checks for libraries.
 179 # We save up a list of missing libraries that we can't do without
 180 # and report them all at once.
 181 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 182             [missing_libraries="$missing_libraries libgc"])
 183 AC_CHECK_LIB(gcrypt, gcry_md_open,
 184              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 185             [missing_libraries="$missing_libraries libgcrypt"])
 186 AC_CHECK_LIB(pcre, pcre_compile,
 187              [AC_SUBST(LIBPCRE,[-lpcre])],
 188              [missing_libraries="$missing_libraries libpcre"])
 189 if test $want_alsa = yes; then
 190   AC_CHECK_LIB([asound], [snd_pcm_open],
 191                [AC_SUBST(LIBASOUND,[-lasound])])
 192 fi
 193 if test $want_server = yes; then
 194   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 195                [AC_SUBST(LIBDB,[-ldb])],
 196                [missing_libraries="$missing_libraries libdb"])
 197   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 198                [:],
 199                [missing_libraries="$missing_libraries libvorbis"])
 200   AC_CHECK_LIB(vorbisfile, ov_open,
 201                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 202                [missing_libraries="$missing_libraries libvorbisfile"],
 203                [-lvorbis])
 204   AC_CHECK_LIB(mad, mad_stream_init,
 205                [AC_SUBST(LIBMAD,[-lmad])],
 206                [missing_libraries="$missing_libraries libmad"])
 207   AC_CHECK_LIB([ao], [ao_initialize],
 208                [AC_SUBST(LIBAO,[-lao])],
 209                [missing_libraries="$missing_libraries libao"])
 210   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 211                [AC_SUBST(LIBFLAC,[-lFLAC])],
 212                [missing_libraries="$missing_libraries libFLAC"])
 213 fi
 214
 215 if test $want_gtk = yes; then
 216   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 217   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 218 fi
 219
 220 # Some platforms have iconv already
 221 AC_CHECK_FUNC(iconv_open, [:],
 222               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 223                             [AC_SUBST(LIBICONV,[-liconv])],
 224                             [missing_functions="$missing_functions iconv_open"])])
 225 AC_CHECK_FUNC([gethostbyname],[:],[
 226   AC_CHECK_LIB(nsl,gethostbyname,
 227                [AC_SUBST(LIBNSL,[-lnsl])],
 228                [missing_functions="$missing_functions gethostbyname"])])
 229 AC_CHECK_FUNC([socket],[:],[
 230   AC_CHECK_LIB(socket,socket,
 231                [AC_SUBST(LIBSOCKET,[-lsocket])],
 232                [missing_functions="$missing_functions socket"])])
 233 AC_CHECK_FUNC([dlopen],[:],[
 234   AC_CHECK_LIB(dl,dlopen,
 235                [AC_SUBST(LIBDL,[-ldl])],
 236                [missing_functions="$missing_functions dlopen"])])
 237
 238 if test ! -z "$missing_libraries"; then
 239   AC_MSG_ERROR([missing libraries:$missing_libraries])
 240 fi
 241
 242 # Checks for header files.
 243 RJK_FIND_GC_H
 244 if test $want_oss = yes; then
 245   AC_CHECK_HEADERS([sys/soundcard.h])
 246 fi
 247 if test $want_alsa = yes; then
 248   AC_CHECK_HEADERS([alsa/asoundlib.h])
 249 fi
 250 if test $want_coreaudio = yes; then
 251   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 252 fi
 253 AC_CHECK_HEADERS([inttypes.h])
 254 # We don't bother checking very standard stuff
 255 # Compilation will fail if any of these headers are missing, so we
 256 # check for them here and fail early.
 257 if test $want_server = yes; then
 258   AC_CHECK_HEADERS([db.h],[:],[
 259     missing_headers="$missing_headers $ac_header"
 260   ])
 261   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 262 fi
 263 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 264                  getopt.h iconv.h langinfo.h \
 265                  pcre.h sys/ioctl.h \
 266                  syslog.h unistd.h],[:],[
 267   missing_headers="$missing_headers $ac_header"
 268 ])
 269
 270 if test ! -z "$missing_headers"; then
 271   AC_MSG_ERROR([missing headers:$missing_headers])
 272 fi
 273
 274 # We require that libpcre support UTF-8
 275 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 276
 277 # Checks for typedefs, structures, and compiler characteristics.
 278 AC_C_CONST
 279 AC_TYPE_SIZE_T
 280 AC_C_INLINE
 281 AC_C_BIGENDIAN
 282 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 283 #include <netinet/in.h>])
 284
 285 # enable -Werror when we check for certain characteristics:
 286
 287 old_CFLAGS="${CFLAGS}"
 288 CFLAGS="${CFLAGS} $gcc_werror"
 289 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 290
 291 # Some GCC invocations warn for converting function pointers to void *.
 292 # This is fair enough, as it's technically forbidden, but we use dlsym()
 293 # which can pretty much only exist if object and function pointers are
 294 # interconvertable.  So we disable -Werror if need be.
 295 if test ! -z "$gcc_werror"; then
 296   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 297                  [rjk_cv_function_pointer_cast],[
 298     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 299   void somefunction(void);],
 300                       [(void *)somefunction])],
 301                       [rjk_cv_function_pointer_cast=yes],
 302                       [rjk_cv_function_pointer_cast=no])])
 303   if test $rjk_cv_function_pointer_cast = no; then
 304     gcc_werror=""
 305   fi
 306 fi
 307
 308 CFLAGS="${old_CFLAGS}"
 309
 310 # gcrypt maintainers keep changing everything.  Design your interface
 311 # first, then implement it once, rather than getting it wrong three or
 312 # four times and shipping between each attempt.
 313 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 314                [rjk_cv_gcrypt_hash_handle],[
 315   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 316 #include <gcrypt.h>
 317 ],
 318                [gcry_md_hd_t h;])],
 319                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 320     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 321 #include <gcrypt.h>
 322 ],
 323                  [GcryMDHd h;])],
 324                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 325                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 326 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 327                    [libgcrypt hash handle type])
 328
 329 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 330                [rjk_cv_have_gcry_error_t],[
 331   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 332 #include <gcrypt.h>
 333 ],
 334                  [gcry_error_t e;])],
 335                  [rjk_cv_have_gcry_error_t=yes],
 336                  [rjk_cv_have_gcry_error_t=no])])
 337 if test $rjk_cv_have_gcry_error_t = yes; then
 338   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 339 fi
 340
 341 # Checks for functions
 342 if test $ac_cv_type_long_long = yes; then
 343   AC_CHECK_FUNCS([atoll strtoll],[:],[
 344     missing_functions="$missing_functions $ac_func"
 345   ])
 346   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 347   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 348                  [rjk_cv_strtoll_declared],[
 349     AC_EGREP_HEADER([strtoll], [stdlib.h],
 350                     [rjk_cv_strtoll_declared=yes],
 351                     [rjk_cv_strtoll_declared=no])])
 352   if test $rjk_cv_strtoll_declared = yes; then
 353     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 354   fi
 355   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 356                  [rjk_cv_atoll_declared],[
 357     AC_EGREP_HEADER([atoll], [stdlib.h],
 358                     [rjk_cv_atoll_declared=yes],
 359                     [rjk_cv_atoll_declared=no])])
 360   if test $rjk_cv_atoll_declared = yes; then
 361     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 362   fi
 363 fi
 364 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
 365   missing_functions="$missing_functions $ac_func"
 366 ])
 367 # fsync will do if fdatasync not available
 368 AC_CHECK_FUNCS([fdatasync],[:],[
 369   AC_CHECK_FUNCS([fsync],
 370                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 371                  [missing_functions="$missing_functions fdatasync"])])
 372 if test ! -z "$missing_functions"; then
 373   AC_MSG_ERROR([missing functions:$missing_functions])
 374 fi
 375 if test $want_server = yes; then
 376   # <db.h> had better be version 3 or later
 377   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 378     AC_PREPROC_IFELSE([
 379                        #include <db.h>
 380                        #ifndef DB_VERSION_MAJOR
 381                        # error cannot determine db version
 382                        #endif
 383                        #if DB_VERSION_MAJOR < 4
 384                        # error inadequate db version
 385                        #endif
 386                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
 387                        # error inadequate db version
 388                        #endif
 389                       ],
 390                       [rjk_cv_db_version=ok],
 391                       [rjk_cv_db_version=inadequate])
 392   ])
 393   if test $rjk_cv_db_version != ok; then
 394     AC_MSG_ERROR([need db.h version at least 4.2])
 395   fi
 396 fi
 397
 398 if test "x$GCC" = xyes; then
 399   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 400   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 401     old_CC="$CC"
 402     if test $GCC = yes; then
 403       CC="$CC -Wall -Werror"
 404     fi
 405     AC_COMPILE_IFELSE([
 406       static int x(char *f) {
 407        return *f;
 408       }
 409       int z(const char *g) {
 410         return x((char *)g);
 411       }],
 412       [rjk_cv_pr29478=no],
 413       [rjk_cv_pr29478=yes]
 414     )
 415     CC="$old_CC"
 416   ])
 417   if test $rjk_cv_pr29478 = yes; then
 418     gcc_werror=''
 419   fi
 420
 421   # a reasonable default set of warnings
 422   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 423         -Wwrite-strings -Wmissing-prototypes \
 424         -Wmissing-declarations -Wnested-externs"
 425
 426   # Fix up GTK+ and GLib compiler flags
 427   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 428   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 429
 430   if test "$gcc_werror" != ''; then
 431     # GCC 2.95 doesn't know to ignore warnings from system headers
 432     AC_CACHE_CHECK([whether -Werror is usable],
 433                     rjk_cv_werror, [
 434       save_CFLAGS="${CFLAGS}"
 435       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 436       AC_TRY_COMPILE([#include <gtk/gtk.h>],
 437                      [],
 438                      [rjk_cv_werror=yes],
 439                      [rjk_cv_werror=no])
 440       CFLAGS="${save_CFLAGS}"
 441     ])
 442     if test $rjk_cv_werror = no; then
 443       gcc_werror=''
 444     fi
 445   fi
 446   CC="${CC} $gcc_werror"
 447
 448   # for older GCCs that don't know %ju (etc)
 449   AC_CACHE_CHECK([whether -Wno-format is required],
 450                  rjk_cv_noformat,
 451                  AC_TRY_COMPILE([#include <stdio.h>
 452 #include <stdint.h>
 453 ],
 454                                 [printf("%ju", (uintmax_t)0);],
 455                                 [rjk_cv_noformat=no],
 456                                 [rjk_cv_noformat=yes]))
 457   if test $rjk_cv_noformat = yes; then
 458     CC="${CC} -Wno-format"
 459   fi
 460
 461   AC_CACHE_CHECK([whether -Wshadow is OK],
 462                  rjk_cv_shadow,
 463                  oldCC="${CC}"
 464                  CC="${CC} -Wshadow"
 465                  [AC_TRY_COMPILE([
 466 #include <unistd.h>
 467 #include <vorbis/vorbisfile.h>
 468 ],
 469                                 [],
 470                                 [rjk_cv_shadow=yes],
 471                                 [rjk_cv_shadow=no])
 472                  CC="${oldCC}"])
 473   if test $rjk_cv_shadow = yes; then
 474     CC="${CC} -Wshadow"
 475   fi
 476 fi
 477
 478 RJK_GCOV
 479
 480 AH_BOTTOM([#ifdef __GNUC__
 481 # define attribute(x) __attribute__(x)
 482 #else
 483 # define attribute(x)
 484 #endif])
 485
 486 AC_CONFIG_FILES([Makefile
 487                  templates/Makefile
 488                  images/Makefile
 489                  scripts/Makefile
 490                  lib/Makefile
 491                  server/Makefile
 492                  clients/Makefile
 493                  disobedience/Makefile
 494                  doc/Makefile
 495                  plugins/Makefile
 496                  driver/Makefile
 497                  debian/Makefile
 498                  sounds/Makefile
 499                  python/Makefile
 500                  examples/Makefile
 501                  tests/Makefile])
 502 AC_OUTPUT
 503
 504 if test $GCC = yes && test "$gcc_werror" = ''; then
 505   AC_MSG_WARN([building without -Werror])
 506 fi
 507 if test $want_python = no; then
 508   AC_MSG_WARN([cannot run the test suit without Python])
 509 fi