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) 2004-2008 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], [3.0+], [richard+disorder@sfere.greenend.org.uk])
  24 AC_CONFIG_AUX_DIR([config.aux])
  25 AM_INIT_AUTOMAKE(disorder, [3.0+])
  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 want_tests=yes
  36 want_server=yes
  37 want_cgi=yes
  38
  39 # APIs we want
  40 want_alsa=yes
  41 want_oss=yes
  42 want_coreaudio=yes
  43
  44 # Checks for programs.
  45 AC_PROG_CC
  46 AC_SET_MAKE
  47 if test "x$GCC" = xyes; then
  48   gcc_werror=-Werror
  49   case "$CC" in
  50   *-std=* )
  51     ;;
  52   * )
  53     CC="${CC} -std=gnu99"
  54     ;;
  55   esac
  56 else
  57   AC_MSG_ERROR([GNU C is required to build this program])
  58   gcc_werror=""
  59 fi
  60
  61 AC_ARG_WITH([alsa],
  62             [AS_HELP_STRING([--without-alsa],
  63                             [do not build with ALSA support])],
  64             [want_alsa=$withval])
  65 AC_ARG_WITH([oss],
  66             [AS_HELP_STRING([--without-oss],
  67                             [do not build with OSS support])],
  68             [want_oss=$withval])
  69 AC_ARG_WITH([coreaudio],
  70             [AS_HELP_STRING([--without-coreaudio],
  71                             [do not build with Core Audio support])],
  72             [want_coreaudio=$withval])
  73 AC_ARG_WITH([tests],
  74             [AS_HELP_STRING([--without-tests],
  75                             [do not build test suit])],
  76             [want_tests=$withval])
  77
  78 AC_MSG_CHECKING([for a known target platform])
  79 case "$host" in
  80 *empeg* )
  81   AC_MSG_RESULT([empeg car stereo])
  82   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  83   # work around broken toolchain
  84   AC_CHECK_LIB([gpg-error], [gpg_strerror])
  85   AC_CHECK_LIB([pthread], [pthread_create])
  86   want_server=no
  87   want_cgi=no
  88  ;;
  89 *linux* | *Linux* )
  90   AC_MSG_RESULT([Linux])
  91   ;;
  92 *-apple-darwin* )
  93   AC_MSG_RESULT([Mac OS X])
  94   if test $want_coreaudio = yes; then
  95     COREAUDIO="-framework CoreAudio"
  96   fi
  97   browser=open
  98   AC_MSG_CHECKING([Mac OS X target version])
  99   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 100   # behaviour.  But we provide a command line option to override it and
 101   # we default to wide support instead of supporting only the build platform.
 102   #
 103   # Currently if you ask for 10.5 you will get a deprecation warning
 104   # when building the CoreAudio support code.  For the time being the
 105   # answer to this is "don't do that then".  If a good reason to ask
 106   # for a 10.5 deployment target emerges then this will be fixed.
 107   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 108     MACOSX_DEPLOYMENT_TARGET=10.0
 109   fi
 110   AC_ARG_WITH([deployment-target],
 111               [AS_HELP_STRING([--with-deployment-target=TARGET],
 112                               [set target OS X version])],
 113               [MACOSX_DEPLOYMENT_TARGET=$withval])
 114   # Convert to desired format
 115   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 116   minver="MAC_OS_X_VERSION_$underscored"
 117   AC_MSG_RESULT([$minver])
 118   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 119                      [define to minimum version of Mac OS X to support])
 120   ;;
 121 *-freebsd* )
 122   AC_MSG_RESULT([FreeBSD])
 123   # Ports install to /usr/local but the compiler stupidly doesn't look
 124   # there by default
 125   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 126   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 127   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 128   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 129     rjk_cv_libdb="none"
 130     for db in db43 db44 db45 db46; do
 131       if test -e /usr/local/lib/$db; then
 132         rjk_cv_libdb=$db
 133         break
 134       fi
 135     done
 136   ])
 137   if test $rjk_cv_libdb != none; then
 138     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 139     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 140   fi
 141   ;;
 142 * )
 143   AC_MSG_RESULT([unknown, winging it])
 144   ;;
 145 esac
 146 AC_SUBST([COREAUDIO])
 147
 148 AC_ARG_WITH([browser],
 149             [AS_HELP_STRING([--with-browser=BROWSER],
 150                             [use BROWSER to display HTML])],
 151             [browser=$withval])
 152
 153 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 154   rjk_cv_browser=UNKNOWN
 155   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 156     if type $candidate >/dev/null 2>&1; then
 157       rjk_cv_browser="$candidate"
 158       break
 159     fi
 160   done
 161 ])
 162 if test -z "$browser"; then
 163   browser="$rjk_cv_browser"
 164 fi
 165 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 166
 167 AC_ARG_WITH([server],
 168             [AS_HELP_STRING([--without-server],
 169                             [do not build server])],
 170             [want_server=$withval])
 171 AC_ARG_WITH([cgi],
 172             [AS_HELP_STRING([--without-cgi],
 173                             [do not build CGI])],
 174             [want_cgi=$withval])
 175 AC_ARG_WITH([gtk],
 176             [AS_HELP_STRING([--without-gtk],
 177                             [do not build GTK+ client])],
 178             [want_gtk=$withval])
 179 AC_ARG_WITH([python],
 180             [AS_HELP_STRING([--without-python],
 181                             [do not build Python support])],
 182             [want_python=$withval])
 183
 184 if test $want_server = no; then
 185   want_cgi=no
 186 fi
 187
 188 #
 189 # OS          Document Root                  CGI directory
 190 # ==          =============                  =============
 191 # Debian      /var/www                       /usr/lib/cgi-bin
 192 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 193 # Red Hat     /var/www/html                  /var/www/cgi-bin
 194 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 195 # Slackware   /var/www/htdocs                (unknown)
 196 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 197 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 198 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 199 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 200 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 201 # Apache      /usr/local/apache/htdocs       (none)
 202 #
 203 # Sources:
 204 #   http://wiki.linuxquestions.org/wiki/Apache
 205 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 206 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 207 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 208 #   http://httpd.apache.org/docs/
 209 #
 210 if test $want_cgi = yes; then
 211   if test -z "$httpdir"; then
 212     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 213       rjk_cv_httpdir="not found"
 214       for dir in /var/www/html \
 215                  /var/www/htdocs \
 216                  /var/www/localhost/htdocs \
 217                  /var/www \
 218                  /home/httpd/html \
 219                  /srv/www/html \
 220                  /usr/local/www/data \
 221                  /usr/local/www/*/data \
 222                  /Library/WebServer/Documents \
 223                  /usr/local/apache/htdocs; do
 224         if test -d "$dir"; then
 225           rjk_cv_httpdir="$dir"
 226         fi
 227       done
 228     ])
 229     if test "$rjk_cv_cgidir" = "not found"; then
 230       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 231     fi
 232     httpdir="$rjk_cv_httpdir"
 233   fi
 234   if test -z "$cgidir"; then
 235     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgidir],[
 236       rjk_cv_cgidir="not found"
 237       for dir in /usr/lib/cgi-bin \
 238                  /Library/WebServer/CGI-Executables \
 239                  /srv/www/cgi-bin \
 240                  /var/www/cgi-bin \
 241                  /home/httpd/cgi-bin \
 242                  /var/www/localhost/cgi-bin \
 243                  /usr/local/lib/cgi-bin \
 244                  /usr/local/www/cgi-bin \
 245                  /usr/local/www/*/cgi-bin; do
 246         if test -d "$dir"; then
 247           rjk_cv_cgidir="$dir"
 248           break
 249         fi
 250       done
 251     ])
 252     if test "$rjk_cv_cgidir" = "not found"; then
 253       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgidir on configure command line])
 254     fi
 255     cgidir="$rjk_cv_cgidir"
 256   fi
 257 fi
 258 AC_ARG_VAR([cgidir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 259 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 260 if test -z "$pkghttpdir"; then
 261   pkghttpdir='$(httpdir)/disorder'
 262 fi
 263 AC_SUBST([pkghttpdir])
 264
 265 subdirs="scripts lib"
 266 if test $want_tests = yes; then
 267   subdirs="${subdirs} libtests"
 268 fi
 269 subdirs="${subdirs} clients doc examples debian"
 270
 271 if test $want_server = yes; then
 272   subdirs="${subdirs} server plugins driver sounds"
 273 fi
 274 if test $want_cgi = yes; then
 275   subdirs="${subdirs} cgi templates images"
 276 fi
 277 if test $want_gtk = yes; then
 278   subdirs="${subdirs} disobedience"
 279   if test $want_server = no; then
 280     subdirs="${subdirs} images"
 281   fi
 282 fi
 283 if test $want_tests = yes && test $want_python = yes; then
 284   AM_PATH_PYTHON([2.4])
 285   subdirs="${subdirs} python tests"
 286 fi
 287 AC_SUBST([subdirs])
 288
 289 # libtool config
 290 AC_LIBTOOL_DLOPEN
 291 AC_DISABLE_STATIC
 292
 293 AC_PROG_LIBTOOL
 294
 295 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 296   rjk_cv_gnused="not found"
 297   for candidate in sed gsed; do
 298     if $candidate --version >/dev/null 2>&1; then
 299       rjk_cv_gnused=$candidate
 300     fi
 301   done
 302 ])
 303 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 304 if test "$GNUSED" = "not found"; then
 305   AC_MSG_ERROR([GNU sed is required to build this program])
 306 fi
 307 AC_SUBST([GNUSED])
 308
 309 AC_CHECK_PROGS([GROG],[grog])
 310 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 311
 312 missing_libraries=""
 313 missing_headers=""
 314 missing_functions=""
 315
 316 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 317
 318 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 319
 320 # Macs might have libraries under fink's root
 321 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 322 if test "x$FINK" != xnone; then
 323   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 324     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 325   ])
 326   finkdir="${rjk_cv_finkprefix}"
 327   finkbindir="${rjk_cv_finkprefix}/bin"
 328   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 329   if test $want_server = yes; then
 330     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 331   fi
 332   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 333 else
 334   finkbindir=""
 335 fi
 336 AC_SUBST([finkdir])
 337 AC_SUBST([finkbindir])
 338
 339 # Checks for libraries.
 340 # We save up a list of missing libraries that we can't do without
 341 # and report them all at once.
 342 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 343             [missing_libraries="$missing_libraries libgc"])
 344 AC_CHECK_LIB(gcrypt, gcry_md_open,
 345              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 346             [missing_libraries="$missing_libraries libgcrypt"])
 347 AC_CHECK_LIB(pcre, pcre_compile,
 348              [AC_SUBST(LIBPCRE,[-lpcre])],
 349              [missing_libraries="$missing_libraries libpcre"])
 350 if test $want_alsa = yes; then
 351   AC_CHECK_LIB([asound], [snd_pcm_open],
 352                [AC_SUBST(LIBASOUND,[-lasound])])
 353 fi
 354 if test $want_server = yes; then
 355   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 356                [AC_SUBST(LIBDB,[-ldb])],
 357                [missing_libraries="$missing_libraries libdb"])
 358   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 359                [:],
 360                [missing_libraries="$missing_libraries libvorbis"])
 361   AC_CHECK_LIB(vorbisfile, ov_open,
 362                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 363                [missing_libraries="$missing_libraries libvorbisfile"],
 364                [-lvorbis])
 365   AC_CHECK_LIB(mad, mad_stream_init,
 366                [AC_SUBST(LIBMAD,[-lmad])],
 367                [missing_libraries="$missing_libraries libmad"])
 368   AC_CHECK_LIB([ao], [ao_initialize],
 369                [AC_SUBST(LIBAO,[-lao])],
 370                [missing_libraries="$missing_libraries libao"])
 371   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 372                [AC_SUBST(LIBFLAC,[-lFLAC])],
 373                [missing_libraries="$missing_libraries libFLAC"])
 374 fi
 375 AC_CHECK_LIB([pthread], [pthread_create],
 376              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 377              [missing_libraries="$missing_libraries libpthread"])
 378
 379 if test $want_gtk = yes; then
 380   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 381   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 382 fi
 383
 384 # Some platforms have iconv already
 385 AC_CHECK_FUNC(iconv_open, [:],
 386               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 387                             [AC_SUBST(LIBICONV,[-liconv])],
 388                             [missing_functions="$missing_functions iconv_open"])])
 389 AC_CHECK_FUNC([gethostbyname],[:],[
 390   AC_CHECK_LIB(nsl,gethostbyname,
 391                [AC_SUBST(LIBNSL,[-lnsl])],
 392                [missing_functions="$missing_functions gethostbyname"])])
 393 AC_CHECK_FUNC([socket],[:],[
 394   AC_CHECK_LIB(socket,socket,
 395                [AC_SUBST(LIBSOCKET,[-lsocket])],
 396                [missing_functions="$missing_functions socket"])])
 397 AC_CHECK_FUNC([dlopen],[:],[
 398   AC_CHECK_LIB(dl,dlopen,
 399                [AC_SUBST(LIBDL,[-ldl])],
 400                [missing_functions="$missing_functions dlopen"])])
 401
 402 if test ! -z "$missing_libraries"; then
 403   AC_MSG_ERROR([missing libraries:$missing_libraries])
 404 fi
 405
 406 # Checks for header files.
 407 RJK_FIND_GC_H
 408 if test $want_oss = yes; then
 409   AC_CHECK_HEADERS([sys/soundcard.h])
 410 fi
 411 if test $want_alsa = yes; then
 412   AC_CHECK_HEADERS([alsa/asoundlib.h])
 413 fi
 414 if test $want_coreaudio = yes; then
 415   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 416 fi
 417 AC_CHECK_HEADERS([inttypes.h])
 418 # We don't bother checking very standard stuff
 419 # Compilation will fail if any of these headers are missing, so we
 420 # check for them here and fail early.
 421 if test $want_server = yes; then
 422   AC_CHECK_HEADERS([db.h],[:],[
 423     missing_headers="$missing_headers $ac_header"
 424   ])
 425   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 426 fi
 427 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 428                  getopt.h iconv.h langinfo.h \
 429                  pcre.h sys/ioctl.h \
 430                  syslog.h unistd.h],[:],[
 431   missing_headers="$missing_headers $ac_header"
 432 ])
 433
 434 if test ! -z "$missing_headers"; then
 435   AC_MSG_ERROR([missing headers:$missing_headers])
 436 fi
 437
 438 # We require that libpcre support UTF-8
 439 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 440
 441 # Checks for typedefs, structures, and compiler characteristics.
 442 AC_C_CONST
 443 AC_TYPE_SIZE_T
 444 AC_C_INLINE
 445 AC_C_BIGENDIAN
 446 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 447 #include <netinet/in.h>])
 448
 449 # enable -Werror when we check for certain characteristics:
 450
 451 old_CFLAGS="${CFLAGS}"
 452 CFLAGS="${CFLAGS} $gcc_werror"
 453 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 454
 455 # Some GCC invocations warn for converting function pointers to void *.
 456 # This is fair enough, as it's technically forbidden, but we use dlsym()
 457 # which can pretty much only exist if object and function pointers are
 458 # interconvertable.  So we disable -Werror if need be.
 459 if test ! -z "$gcc_werror"; then
 460   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 461                  [rjk_cv_function_pointer_cast],[
 462     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 463   void somefunction(void);],
 464                       [(void *)somefunction])],
 465                       [rjk_cv_function_pointer_cast=yes],
 466                       [rjk_cv_function_pointer_cast=no])])
 467   if test $rjk_cv_function_pointer_cast = no; then
 468     gcc_werror=""
 469   fi
 470 fi
 471
 472 CFLAGS="${old_CFLAGS}"
 473
 474 # gcrypt maintainers keep changing everything.  Design your interface
 475 # first, then implement it once, rather than getting it wrong three or
 476 # four times and shipping between each attempt.
 477 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 478                [rjk_cv_gcrypt_hash_handle],[
 479   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 480 #include <gcrypt.h>
 481 ],
 482                [gcry_md_hd_t h;])],
 483                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 484     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 485 #include <gcrypt.h>
 486 ],
 487                  [GcryMDHd h;])],
 488                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 489                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 490 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 491                    [libgcrypt hash handle type])
 492
 493 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 494                [rjk_cv_have_gcry_error_t],[
 495   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 496 #include <gcrypt.h>
 497 ],
 498                  [gcry_error_t e;])],
 499                  [rjk_cv_have_gcry_error_t=yes],
 500                  [rjk_cv_have_gcry_error_t=no])])
 501 if test $rjk_cv_have_gcry_error_t = yes; then
 502   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 503 fi
 504
 505 # Checks for functions
 506 if test $ac_cv_type_long_long = yes; then
 507   AC_CHECK_FUNCS([atoll strtoll],[:],[
 508     missing_functions="$missing_functions $ac_func"
 509   ])
 510   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 511   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 512                  [rjk_cv_strtoll_declared],[
 513     AC_EGREP_HEADER([strtoll], [stdlib.h],
 514                     [rjk_cv_strtoll_declared=yes],
 515                     [rjk_cv_strtoll_declared=no])])
 516   if test $rjk_cv_strtoll_declared = yes; then
 517     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 518   fi
 519   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 520                  [rjk_cv_atoll_declared],[
 521     AC_EGREP_HEADER([atoll], [stdlib.h],
 522                     [rjk_cv_atoll_declared=yes],
 523                     [rjk_cv_atoll_declared=no])])
 524   if test $rjk_cv_atoll_declared = yes; then
 525     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 526   fi
 527 fi
 528 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 529   missing_functions="$missing_functions $ac_func"
 530 ])
 531 # fsync will do if fdatasync not available
 532 AC_CHECK_FUNCS([fdatasync],[:],[
 533   AC_CHECK_FUNCS([fsync],
 534                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 535                  [missing_functions="$missing_functions fdatasync"])])
 536 if test ! -z "$missing_functions"; then
 537   AC_MSG_ERROR([missing functions:$missing_functions])
 538 fi
 539
 540 # Functions we can take or leave
 541 AC_CHECK_FUNCS([fls])
 542
 543 if test $want_server = yes; then
 544   # <db.h> had better be version 3 or later
 545   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 546     AC_PREPROC_IFELSE([
 547                        #include <db.h>
 548                        #ifndef DB_VERSION_MAJOR
 549                        # error cannot determine db version
 550                        #endif
 551                        #if DB_VERSION_MAJOR < 4
 552                        # error inadequate db version
 553                        #endif
 554                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 555                        # error inadequate db version
 556                        #endif
 557                       ],
 558                       [rjk_cv_db_version=ok],
 559                       [rjk_cv_db_version=inadequate])
 560   ])
 561   if test $rjk_cv_db_version != ok; then
 562     AC_MSG_ERROR([need db.h version at least 4.2])
 563   fi
 564 fi
 565
 566 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 567 if test $want_gtk = yes; then
 568   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 569 fi
 570
 571 if test "x$GCC" = xyes; then
 572   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 573   # by default.
 574   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 575     AC_TRY_COMPILE([#include <limits.h>],[
 576       long long n = LLONG_MAX;
 577     ],[rjk_cv_cstd=default],[
 578       old_CC="$CC"
 579       CC="${CC} -std=gnu99"
 580       AC_TRY_COMPILE([#include <limits.h>],[
 581         long long n = LLONG_MAX;
 582       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 583       CC="$old_CC"
 584     ])
 585   ])
 586   case $rjk_cv_cstd in
 587   default | unknown )
 588     ;;
 589   * )
 590     CC="${CC} -std=${rjk_cv_cstd}"
 591     ;;
 592   esac
 593
 594   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 595   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 596     old_CC="$CC"
 597     if test $GCC = yes; then
 598       CC="$CC -Wall -Werror"
 599     fi
 600     AC_COMPILE_IFELSE([
 601       static int x(char *f) {
 602        return *f;
 603       }
 604       int z(const char *g) {
 605         return x((char *)g);
 606       }],
 607       [rjk_cv_pr29478=no],
 608       [rjk_cv_pr29478=yes]
 609     )
 610     CC="$old_CC"
 611   ])
 612   if test $rjk_cv_pr29478 = yes; then
 613     gcc_werror=''
 614   fi
 615
 616   # a reasonable default set of warnings
 617   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 618         -Wwrite-strings -Wmissing-prototypes \
 619         -Wmissing-declarations -Wnested-externs"
 620
 621   # Fix up GTK+ and GLib compiler flags
 622   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 623   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 624
 625   if test "$gcc_werror" != ''; then
 626     # GCC 2.95 doesn't know to ignore warnings from system headers
 627     AC_CACHE_CHECK([whether -Werror is usable],
 628                     rjk_cv_werror, [
 629       save_CFLAGS="${CFLAGS}"
 630       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 631       AC_TRY_COMPILE([#if WITH_GTK
 632  #include <gtk/gtk.h>
 633 #endif
 634
 635 struct s { int a, b; };
 636 const struct s sv = { .a = 1 };],
 637                      [],
 638                      [rjk_cv_werror=yes],
 639                      [rjk_cv_werror=no])
 640       CFLAGS="${save_CFLAGS}"
 641     ])
 642     if test $rjk_cv_werror = no; then
 643       gcc_werror=''
 644     fi
 645   fi
 646   CC="${CC} $gcc_werror"
 647
 648   # for older GCCs that don't know %ju (etc)
 649   AC_CACHE_CHECK([whether -Wno-format is required],
 650                  rjk_cv_noformat,
 651                  AC_TRY_COMPILE([#include <stdio.h>
 652 #include <stdint.h>
 653 ],
 654                                 [printf("%ju", (uintmax_t)0);],
 655                                 [rjk_cv_noformat=no],
 656                                 [rjk_cv_noformat=yes]))
 657   if test $rjk_cv_noformat = yes; then
 658     CC="${CC} -Wno-format"
 659   fi
 660
 661   AC_CACHE_CHECK([whether -Wshadow is OK],
 662                  rjk_cv_shadow,
 663                  oldCC="${CC}"
 664                  CC="${CC} -Wshadow"
 665                  [AC_TRY_COMPILE([
 666 #include <unistd.h>
 667 #include <vorbis/vorbisfile.h>
 668 ],
 669                                 [],
 670                                 [rjk_cv_shadow=yes],
 671                                 [rjk_cv_shadow=no])
 672                  CC="${oldCC}"])
 673   if test $rjk_cv_shadow = yes; then
 674     CC="${CC} -Wshadow"
 675   fi
 676 fi
 677
 678 RJK_GCOV
 679
 680 AH_BOTTOM([#ifdef __GNUC__
 681 # define attribute(x) __attribute__(x)
 682 #else
 683 # define attribute(x)
 684 #endif])
 685
 686 AC_CONFIG_FILES([Makefile
 687                  images/Makefile
 688                  scripts/Makefile
 689                  lib/Makefile
 690                  server/Makefile
 691                  cgi/Makefile
 692                  clients/Makefile
 693                  disobedience/Makefile
 694                  doc/Makefile
 695                  templates/Makefile
 696                  plugins/Makefile
 697                  driver/Makefile
 698                  debian/Makefile
 699                  sounds/Makefile
 700                  python/Makefile
 701                  examples/Makefile
 702                  libtests/Makefile
 703                  tests/Makefile])
 704 AC_OUTPUT
 705
 706 if test $GCC = yes && test "$gcc_werror" = ''; then
 707   AC_MSG_WARN([building without -Werror])
 708 fi
 709 if test $want_python = no; then
 710   AC_MSG_WARN([cannot run the test suit without Python])
 711 fi
 712
 713 # Local Variables:
 714 # indent-tabs-mode:nil
 715 # End: