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], [4.1], [richard+disorder@sfere.greenend.org.uk])
  24 AC_CONFIG_AUX_DIR([config.aux])
  25 AM_INIT_AUTOMAKE(disorder, [4.1])
  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 "$rjk_cv_cgiexecdir" = "not found"; then
 230       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 231     fi
 232     httpdir="$rjk_cv_httpdir"
 233   fi
 234   if test ! -z "$cgidir"; then
 235     # This is a bit harsh but should stop any disasters
 236     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 237   fi
 238   if test -z "$cgiexecdir"; then
 239     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 240       rjk_cv_cgiexecdir="not found"
 241       for dir in /usr/lib/cgi-bin \
 242                  /Library/WebServer/CGI-Executables \
 243                  /srv/www/cgi-bin \
 244                  /var/www/cgi-bin \
 245                  /home/httpd/cgi-bin \
 246                  /var/www/localhost/cgi-bin \
 247                  /usr/local/lib/cgi-bin \
 248                  /usr/local/www/cgi-bin \
 249                  /usr/local/www/*/cgi-bin; do
 250         if test -d "$dir"; then
 251           rjk_cv_cgiexecdir="$dir"
 252           break
 253         fi
 254       done
 255     ])
 256     if test "$rjk_cv_cgiexecdir" = "not found"; then
 257       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 258     fi
 259     cgiexecdir="$rjk_cv_cgiexecdir"
 260   fi
 261 fi
 262 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 263 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 264 if test -z "$pkghttpdir"; then
 265   pkghttpdir='$(httpdir)/disorder'
 266 fi
 267 AC_SUBST([pkghttpdir])
 268
 269 subdirs="scripts lib"
 270 if test $want_tests = yes; then
 271   subdirs="${subdirs} libtests"
 272 fi
 273 subdirs="${subdirs} clients doc examples debian"
 274
 275 if test $want_server = yes; then
 276   subdirs="${subdirs} server plugins driver sounds"
 277 fi
 278 if test $want_cgi = yes; then
 279   subdirs="${subdirs} cgi templates images"
 280 fi
 281 if test $want_gtk = yes; then
 282   subdirs="${subdirs} disobedience"
 283   if test $want_server = no; then
 284     subdirs="${subdirs} images"
 285   fi
 286 fi
 287 if test $want_tests = yes && test $want_python = yes; then
 288   AM_PATH_PYTHON([2.4])
 289   subdirs="${subdirs} python tests"
 290 fi
 291 AC_SUBST([subdirs])
 292
 293 # libtool config
 294 AC_LIBTOOL_DLOPEN
 295 AC_DISABLE_STATIC
 296
 297 AC_PROG_LIBTOOL
 298
 299 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 300   rjk_cv_gnused="not found"
 301   for candidate in sed gsed; do
 302     if $candidate --version >/dev/null 2>&1; then
 303       rjk_cv_gnused=$candidate
 304     fi
 305   done
 306 ])
 307 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 308 if test "$GNUSED" = "not found"; then
 309   AC_MSG_ERROR([GNU sed is required to build this program])
 310 fi
 311 AC_SUBST([GNUSED])
 312
 313 AC_CHECK_PROGS([GROG],[grog])
 314 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 315
 316 missing_libraries=""
 317 missing_headers=""
 318 missing_functions=""
 319
 320 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 321
 322 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 323
 324 # Macs might have libraries under fink's root
 325 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 326 if test "x$FINK" != xnone; then
 327   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 328     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 329   ])
 330   finkdir="${rjk_cv_finkprefix}"
 331   finkbindir="${rjk_cv_finkprefix}/bin"
 332   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 333   if test $want_server = yes; then
 334     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 335   fi
 336   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 337 else
 338   finkbindir=""
 339 fi
 340 AC_SUBST([finkdir])
 341 AC_SUBST([finkbindir])
 342
 343 # Checks for libraries.
 344 # We save up a list of missing libraries that we can't do without
 345 # and report them all at once.
 346 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 347             [missing_libraries="$missing_libraries libgc"])
 348 AC_CHECK_LIB(gcrypt, gcry_md_open,
 349              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 350             [missing_libraries="$missing_libraries libgcrypt"])
 351 AC_CHECK_LIB(pcre, pcre_compile,
 352              [AC_SUBST(LIBPCRE,[-lpcre])],
 353              [missing_libraries="$missing_libraries libpcre"])
 354 if test $want_alsa = yes; then
 355   AC_CHECK_LIB([asound], [snd_pcm_open],
 356                [AC_SUBST(LIBASOUND,[-lasound])])
 357 fi
 358 if test $want_server = yes; then
 359   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 360                [AC_SUBST(LIBDB,[-ldb])],
 361                [missing_libraries="$missing_libraries libdb"])
 362   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 363                [:],
 364                [missing_libraries="$missing_libraries libvorbis"])
 365   AC_CHECK_LIB(vorbisfile, ov_open,
 366                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 367                [missing_libraries="$missing_libraries libvorbisfile"],
 368                [-lvorbis])
 369   AC_CHECK_LIB(mad, mad_stream_init,
 370                [AC_SUBST(LIBMAD,[-lmad])],
 371                [missing_libraries="$missing_libraries libmad"])
 372   AC_CHECK_LIB([ao], [ao_initialize],
 373                [AC_SUBST(LIBAO,[-lao])],
 374                [missing_libraries="$missing_libraries libao"])
 375   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 376                [AC_SUBST(LIBFLAC,[-lFLAC])],
 377                [missing_libraries="$missing_libraries libFLAC"])
 378 fi
 379 AC_CHECK_LIB([pthread], [pthread_create],
 380              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 381              [missing_libraries="$missing_libraries libpthread"])
 382
 383 if test $want_gtk = yes; then
 384   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 385   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 386 fi
 387
 388 # Some platforms have iconv already
 389 AC_CHECK_FUNC(iconv_open, [:],
 390               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 391                             [AC_SUBST(LIBICONV,[-liconv])],
 392                             [missing_functions="$missing_functions iconv_open"])])
 393 AC_CHECK_FUNC([gethostbyname],[:],[
 394   AC_CHECK_LIB(nsl,gethostbyname,
 395                [AC_SUBST(LIBNSL,[-lnsl])],
 396                [missing_functions="$missing_functions gethostbyname"])])
 397 AC_CHECK_FUNC([socket],[:],[
 398   AC_CHECK_LIB(socket,socket,
 399                [AC_SUBST(LIBSOCKET,[-lsocket])],
 400                [missing_functions="$missing_functions socket"])])
 401 AC_CHECK_FUNC([dlopen],[:],[
 402   AC_CHECK_LIB(dl,dlopen,
 403                [AC_SUBST(LIBDL,[-ldl])],
 404                [missing_functions="$missing_functions dlopen"])])
 405
 406 if test ! -z "$missing_libraries"; then
 407   AC_MSG_ERROR([missing libraries:$missing_libraries])
 408 fi
 409
 410 # Checks for header files.
 411 RJK_FIND_GC_H
 412 if test $want_oss = yes; then
 413   AC_CHECK_HEADERS([sys/soundcard.h])
 414 fi
 415 if test $want_alsa = yes; then
 416   AC_CHECK_HEADERS([alsa/asoundlib.h])
 417 fi
 418 if test $want_coreaudio = yes; then
 419   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 420 fi
 421 AC_CHECK_HEADERS([inttypes.h])
 422 # We don't bother checking very standard stuff
 423 # Compilation will fail if any of these headers are missing, so we
 424 # check for them here and fail early.
 425 if test $want_server = yes; then
 426   AC_CHECK_HEADERS([db.h],[:],[
 427     missing_headers="$missing_headers $ac_header"
 428   ])
 429   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 430 fi
 431 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 432                  getopt.h iconv.h langinfo.h \
 433                  pcre.h sys/ioctl.h \
 434                  syslog.h unistd.h],[:],[
 435   missing_headers="$missing_headers $ac_header"
 436 ])
 437
 438 if test ! -z "$missing_headers"; then
 439   AC_MSG_ERROR([missing headers:$missing_headers])
 440 fi
 441
 442 # We require that libpcre support UTF-8
 443 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 444
 445 # Checks for typedefs, structures, and compiler characteristics.
 446 AC_C_CONST
 447 AC_TYPE_SIZE_T
 448 AC_C_INLINE
 449 AC_C_BIGENDIAN
 450 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 451 #include <netinet/in.h>])
 452
 453 # enable -Werror when we check for certain characteristics:
 454
 455 old_CFLAGS="${CFLAGS}"
 456 CFLAGS="${CFLAGS} $gcc_werror"
 457 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 458
 459 # Some GCC invocations warn for converting function pointers to void *.
 460 # This is fair enough, as it's technically forbidden, but we use dlsym()
 461 # which can pretty much only exist if object and function pointers are
 462 # interconvertable.  So we disable -Werror if need be.
 463 if test ! -z "$gcc_werror"; then
 464   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 465                  [rjk_cv_function_pointer_cast],[
 466     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 467   void somefunction(void);],
 468                       [(void *)somefunction])],
 469                       [rjk_cv_function_pointer_cast=yes],
 470                       [rjk_cv_function_pointer_cast=no])])
 471   if test $rjk_cv_function_pointer_cast = no; then
 472     gcc_werror=""
 473   fi
 474 fi
 475
 476 CFLAGS="${old_CFLAGS}"
 477
 478 # gcrypt maintainers keep changing everything.  Design your interface
 479 # first, then implement it once, rather than getting it wrong three or
 480 # four times and shipping between each attempt.
 481 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 482                [rjk_cv_gcrypt_hash_handle],[
 483   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 484 #include <gcrypt.h>
 485 ],
 486                [gcry_md_hd_t h;])],
 487                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 488     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 489 #include <gcrypt.h>
 490 ],
 491                  [GcryMDHd h;])],
 492                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 493                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 494 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 495                    [libgcrypt hash handle type])
 496
 497 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 498                [rjk_cv_have_gcry_error_t],[
 499   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 500 #include <gcrypt.h>
 501 ],
 502                  [gcry_error_t e;])],
 503                  [rjk_cv_have_gcry_error_t=yes],
 504                  [rjk_cv_have_gcry_error_t=no])])
 505 if test $rjk_cv_have_gcry_error_t = yes; then
 506   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 507 fi
 508
 509 # Checks for functions
 510 if test $ac_cv_type_long_long = yes; then
 511   AC_CHECK_FUNCS([atoll strtoll],[:],[
 512     missing_functions="$missing_functions $ac_func"
 513   ])
 514   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 515   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 516                  [rjk_cv_strtoll_declared],[
 517     AC_EGREP_HEADER([strtoll], [stdlib.h],
 518                     [rjk_cv_strtoll_declared=yes],
 519                     [rjk_cv_strtoll_declared=no])])
 520   if test $rjk_cv_strtoll_declared = yes; then
 521     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 522   fi
 523   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 524                  [rjk_cv_atoll_declared],[
 525     AC_EGREP_HEADER([atoll], [stdlib.h],
 526                     [rjk_cv_atoll_declared=yes],
 527                     [rjk_cv_atoll_declared=no])])
 528   if test $rjk_cv_atoll_declared = yes; then
 529     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 530   fi
 531 fi
 532 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 533   missing_functions="$missing_functions $ac_func"
 534 ])
 535 # fsync will do if fdatasync not available
 536 AC_CHECK_FUNCS([fdatasync],[:],[
 537   AC_CHECK_FUNCS([fsync],
 538                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 539                  [missing_functions="$missing_functions fdatasync"])])
 540 if test ! -z "$missing_functions"; then
 541   AC_MSG_ERROR([missing functions:$missing_functions])
 542 fi
 543
 544 # Functions we can take or leave
 545 AC_CHECK_FUNCS([fls])
 546
 547 if test $want_server = yes; then
 548   # <db.h> had better be version 3 or later
 549   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 550     AC_PREPROC_IFELSE([
 551                        #include <db.h>
 552                        #ifndef DB_VERSION_MAJOR
 553                        # error cannot determine db version
 554                        #endif
 555                        #if DB_VERSION_MAJOR < 4
 556                        # error inadequate db version
 557                        #endif
 558                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 559                        # error inadequate db version
 560                        #endif
 561                       ],
 562                       [rjk_cv_db_version=ok],
 563                       [rjk_cv_db_version=inadequate])
 564   ])
 565   if test $rjk_cv_db_version != ok; then
 566     AC_MSG_ERROR([need db.h version at least 4.2])
 567   fi
 568 fi
 569
 570 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 571 if test $want_gtk = yes; then
 572   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 573 fi
 574
 575 if test "x$GCC" = xyes; then
 576   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 577   # by default.
 578   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 579     AC_TRY_COMPILE([#include <limits.h>],[
 580       long long n = LLONG_MAX;
 581     ],[rjk_cv_cstd=default],[
 582       old_CC="$CC"
 583       CC="${CC} -std=gnu99"
 584       AC_TRY_COMPILE([#include <limits.h>],[
 585         long long n = LLONG_MAX;
 586       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 587       CC="$old_CC"
 588     ])
 589   ])
 590   case $rjk_cv_cstd in
 591   default | unknown )
 592     ;;
 593   * )
 594     CC="${CC} -std=${rjk_cv_cstd}"
 595     ;;
 596   esac
 597
 598   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 599   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 600     old_CC="$CC"
 601     if test $GCC = yes; then
 602       CC="$CC -Wall -Werror"
 603     fi
 604     AC_COMPILE_IFELSE([
 605       static int x(char *f) {
 606        return *f;
 607       }
 608       int z(const char *g) {
 609         return x((char *)g);
 610       }],
 611       [rjk_cv_pr29478=no],
 612       [rjk_cv_pr29478=yes]
 613     )
 614     CC="$old_CC"
 615   ])
 616   if test $rjk_cv_pr29478 = yes; then
 617     gcc_werror=''
 618   fi
 619
 620   # a reasonable default set of warnings
 621   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 622         -Wwrite-strings -Wmissing-prototypes \
 623         -Wmissing-declarations -Wnested-externs"
 624
 625   # Fix up GTK+ and GLib compiler flags
 626   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 627   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 628
 629   if test "$gcc_werror" != ''; then
 630     # GCC 2.95 doesn't know to ignore warnings from system headers
 631     AC_CACHE_CHECK([whether -Werror is usable],
 632                     rjk_cv_werror, [
 633       save_CFLAGS="${CFLAGS}"
 634       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 635       AC_TRY_COMPILE([#if WITH_GTK
 636  #include <gtk/gtk.h>
 637 #endif
 638
 639 struct s { int a, b; };
 640 const struct s sv = { .a = 1 };],
 641                      [],
 642                      [rjk_cv_werror=yes],
 643                      [rjk_cv_werror=no])
 644       CFLAGS="${save_CFLAGS}"
 645     ])
 646     if test $rjk_cv_werror = no; then
 647       gcc_werror=''
 648     fi
 649   fi
 650   CC="${CC} $gcc_werror"
 651
 652   # for older GCCs that don't know %ju (etc)
 653   AC_CACHE_CHECK([whether -Wno-format is required],
 654                  rjk_cv_noformat,
 655                  AC_TRY_COMPILE([#include <stdio.h>
 656 #include <stdint.h>
 657 ],
 658                                 [printf("%ju", (uintmax_t)0);],
 659                                 [rjk_cv_noformat=no],
 660                                 [rjk_cv_noformat=yes]))
 661   if test $rjk_cv_noformat = yes; then
 662     CC="${CC} -Wno-format"
 663   fi
 664
 665   AC_CACHE_CHECK([whether -Wshadow is OK],
 666                  rjk_cv_shadow,
 667                  oldCC="${CC}"
 668                  CC="${CC} -Wshadow"
 669                  [AC_TRY_COMPILE([
 670 #include <unistd.h>
 671 #include <vorbis/vorbisfile.h>
 672 ],
 673                                 [],
 674                                 [rjk_cv_shadow=yes],
 675                                 [rjk_cv_shadow=no])
 676                  CC="${oldCC}"])
 677   if test $rjk_cv_shadow = yes; then
 678     CC="${CC} -Wshadow"
 679   fi
 680 fi
 681
 682 RJK_GCOV
 683
 684 AH_BOTTOM([#ifdef __GNUC__
 685 # define attribute(x) __attribute__(x)
 686 #else
 687 # define attribute(x)
 688 #endif])
 689
 690 AC_CONFIG_FILES([Makefile
 691                  images/Makefile
 692                  scripts/Makefile
 693                  lib/Makefile
 694                  server/Makefile
 695                  cgi/Makefile
 696                  clients/Makefile
 697                  disobedience/Makefile
 698                  doc/Makefile
 699                  templates/Makefile
 700                  plugins/Makefile
 701                  driver/Makefile
 702                  debian/Makefile
 703                  sounds/Makefile
 704                  python/Makefile
 705                  examples/Makefile
 706                  libtests/Makefile
 707                  tests/Makefile])
 708 AC_OUTPUT
 709
 710 if test $GCC = yes && test "$gcc_werror" = ''; then
 711   AC_MSG_WARN([building without -Werror])
 712 fi
 713 if test $want_python = no; then
 714   AC_MSG_WARN([cannot run the test suit without Python])
 715 fi
 716
 717 # Local Variables:
 718 # indent-tabs-mode:nil
 719 # End: