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 3 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,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU 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, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 AC_INIT([disorder], [4.3+], [richard+disorder@sfere.greenend.org.uk])
  22 AC_CONFIG_AUX_DIR([config.aux])
  23 AM_INIT_AUTOMAKE(disorder, [4.3+])
  24 AC_CONFIG_SRCDIR([server/disorderd.c])
  25 AM_CONFIG_HEADER([config.h])
  26
  27 # Find host type
  28 AC_CANONICAL_HOST
  29
  30 # What we want to build
  31 want_gtk=yes
  32 want_python=yes
  33 want_tests=yes
  34 want_server=yes
  35 want_cgi=yes
  36
  37 # APIs we want
  38 want_alsa=yes
  39 want_oss=yes
  40 want_coreaudio=yes
  41
  42 # Checks for programs.
  43 AC_PROG_CC
  44 AM_PROG_CC_C_O
  45 AC_PROG_AWK
  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 $want_coreaudio = yes; then
  95     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
  96   fi
  97   browser=open
  98   AC_MSG_CHECKING([Mac OS X target version])
  99   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 100   # behaviour.  But we provide a command line option to override it and
 101   # we default to wide support instead of supporting only the build platform.
 102   #
 103   # Currently if you ask for 10.5 you will get a deprecation warning
 104   # when building the CoreAudio support code.  For the time being the
 105   # answer to this is "don't do that then".  If a good reason to ask
 106   # for a 10.5 deployment target emerges then this will be fixed.
 107   if test -z "$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   # Fink's GTK+ is hopelessly broken
 122   PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 123   export PKG_CONFIG_PATH
 124
 125   ;;
 126 *-freebsd* )
 127   AC_MSG_RESULT([FreeBSD])
 128   # Ports install to /usr/local but the compiler stupidly doesn't look
 129   # there by default
 130   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 131   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 132   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 133   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 134     rjk_cv_libdb="none"
 135     for db in db43 db44 db45 db46; do
 136       if test -e /usr/local/lib/$db; then
 137         rjk_cv_libdb=$db
 138         break
 139       fi
 140     done
 141   ])
 142   if test $rjk_cv_libdb != none; then
 143     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 144     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 145   fi
 146   ;;
 147 * )
 148   AC_MSG_RESULT([unknown, winging it])
 149   ;;
 150 esac
 151 AC_SUBST([COREAUDIO])
 152
 153 AC_ARG_WITH([browser],
 154             [AS_HELP_STRING([--with-browser=BROWSER],
 155                             [use BROWSER to display HTML])],
 156             [browser=$withval])
 157
 158 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 159   rjk_cv_browser=UNKNOWN
 160   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 161     if type $candidate >/dev/null 2>&1; then
 162       rjk_cv_browser="$candidate"
 163       break
 164     fi
 165   done
 166 ])
 167 if test -z "$browser"; then
 168   browser="$rjk_cv_browser"
 169 fi
 170 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 171
 172 # Figure out what version of sox is installed
 173 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 174   rjk_cv_soxver=UNKNOWN
 175   if sox --version > /dev/null 2>&1; then
 176     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 177   else
 178     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 179   fi
 180 ])
 181
 182 # Decide what command line options to use
 183 #
 184 # sox version   endian     bits       deployed
 185 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 186 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 187 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 188 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 189
 190 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 191   case $rjk_cv_soxver in
 192   [[0-9]].* | 1[[0123]].* )
 193     rjk_cv_soxgen=0
 194     ;;
 195   * )
 196     rjk_cv_soxgen=1
 197     ;;
 198   esac
 199 ])
 200 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 201                    [default sox generation])
 202
 203 AC_ARG_WITH([server],
 204             [AS_HELP_STRING([--without-server],
 205                             [do not build server])],
 206             [want_server=$withval])
 207 AC_ARG_WITH([cgi],
 208             [AS_HELP_STRING([--without-cgi],
 209                             [do not build CGI])],
 210             [want_cgi=$withval])
 211 AC_ARG_WITH([gtk],
 212             [AS_HELP_STRING([--without-gtk],
 213                             [do not build GTK+ client])],
 214             [want_gtk=$withval])
 215 AC_ARG_WITH([python],
 216             [AS_HELP_STRING([--without-python],
 217                             [do not build Python support])],
 218             [want_python=$withval])
 219
 220 if test $want_server = no; then
 221   want_cgi=no
 222 fi
 223
 224 #
 225 # OS          Document Root                  CGI directory
 226 # ==          =============                  =============
 227 # Debian      /var/www                       /usr/lib/cgi-bin
 228 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 229 # Red Hat     /var/www/html                  /var/www/cgi-bin
 230 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 231 # Slackware   /var/www/htdocs                (unknown)
 232 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 233 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 234 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 235 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 236 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 237 # Apache      /usr/local/apache/htdocs       (none)
 238 #
 239 # Sources:
 240 #   http://wiki.linuxquestions.org/wiki/Apache
 241 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 242 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 243 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 244 #   http://httpd.apache.org/docs/
 245 #
 246 if test $want_cgi = yes; then
 247   if test -z "$httpdir"; then
 248     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 249       rjk_cv_httpdir="not found"
 250       for dir in /var/www/html \
 251                  /var/www/htdocs \
 252                  /var/www/localhost/htdocs \
 253                  /var/www \
 254                  /home/httpd/html \
 255                  /srv/www/html \
 256                  /usr/local/www/data \
 257                  /usr/local/www/*/data \
 258                  /Library/WebServer/Documents \
 259                  /usr/local/apache/htdocs; do
 260         if test -d "$dir"; then
 261           rjk_cv_httpdir="$dir"
 262         fi
 263       done
 264     ])
 265     if test "$rjk_cv_cgiexecdir" = "not found"; then
 266       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 267     fi
 268     httpdir="$rjk_cv_httpdir"
 269   fi
 270   if test ! -z "$cgidir"; then
 271     # This is a bit harsh but should stop any disasters
 272     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 273   fi
 274   if test -z "$cgiexecdir"; then
 275     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 276       rjk_cv_cgiexecdir="not found"
 277       for dir in /usr/lib/cgi-bin \
 278                  /Library/WebServer/CGI-Executables \
 279                  /srv/www/cgi-bin \
 280                  /var/www/cgi-bin \
 281                  /home/httpd/cgi-bin \
 282                  /var/www/localhost/cgi-bin \
 283                  /usr/local/lib/cgi-bin \
 284                  /usr/local/www/cgi-bin \
 285                  /usr/local/www/*/cgi-bin; do
 286         if test -d "$dir"; then
 287           rjk_cv_cgiexecdir="$dir"
 288           break
 289         fi
 290       done
 291     ])
 292     if test "$rjk_cv_cgiexecdir" = "not found"; then
 293       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 294     fi
 295     cgiexecdir="$rjk_cv_cgiexecdir"
 296   fi
 297 fi
 298 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 299 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 300 if test -z "$pkghttpdir"; then
 301   pkghttpdir='$(httpdir)/disorder'
 302 fi
 303 AC_SUBST([pkghttpdir])
 304
 305 subdirs="scripts lib"
 306 if test $want_tests = yes; then
 307   subdirs="${subdirs} libtests"
 308 fi
 309 subdirs="${subdirs} clients doc examples debian"
 310
 311 if test $want_server = yes; then
 312   subdirs="${subdirs} server plugins driver sounds"
 313 fi
 314 if test $want_cgi = yes; then
 315   subdirs="${subdirs} cgi templates images"
 316 fi
 317 if test $want_gtk = yes; then
 318   subdirs="${subdirs} disobedience"
 319   if test $want_server = no; then
 320     subdirs="${subdirs} images"
 321   fi
 322 fi
 323 if test $want_tests = yes && test $want_python = yes; then
 324   AM_PATH_PYTHON([2.4])
 325   subdirs="${subdirs} python tests"
 326 fi
 327 AC_SUBST([subdirs])
 328
 329 # libtool config
 330 AC_LIBTOOL_DLOPEN
 331 AC_DISABLE_STATIC
 332
 333 AC_PROG_LIBTOOL
 334
 335 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 336   rjk_cv_gnused="not found"
 337   for candidate in sed gsed; do
 338     if $candidate --version >/dev/null 2>&1; then
 339       rjk_cv_gnused=$candidate
 340     fi
 341   done
 342 ])
 343 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 344 if test "$GNUSED" = "not found"; then
 345   AC_MSG_ERROR([GNU sed is required to build this program])
 346 fi
 347 AC_SUBST([GNUSED])
 348
 349 AC_CHECK_PROGS([GROG],[grog])
 350 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 351
 352 missing_libraries=""
 353 missing_headers=""
 354 missing_functions=""
 355
 356 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 357
 358 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 359
 360 # Macs might have libraries under fink's root
 361 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 362 if test "x$FINK" != xnone; then
 363   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 364     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 365   ])
 366   finkdir="${rjk_cv_finkprefix}"
 367   finkbindir="${rjk_cv_finkprefix}/bin"
 368   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 369   if test $want_server = yes; then
 370     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 371   fi
 372   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 373 else
 374   finkbindir=""
 375 fi
 376 AC_SUBST([finkdir])
 377 AC_SUBST([finkbindir])
 378
 379 # Checks for libraries.
 380 # We save up a list of missing libraries that we can't do without
 381 # and report them all at once.
 382 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 383             [missing_libraries="$missing_libraries libgc"])
 384 AC_CHECK_LIB(gcrypt, gcry_md_open,
 385              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 386             [missing_libraries="$missing_libraries libgcrypt"])
 387 AC_CHECK_LIB(pcre, pcre_compile,
 388              [AC_SUBST(LIBPCRE,[-lpcre])],
 389              [missing_libraries="$missing_libraries libpcre"])
 390 if test $want_alsa = yes; then
 391   AC_CHECK_LIB([asound], [snd_pcm_open],
 392                [AC_SUBST(LIBASOUND,[-lasound])])
 393 fi
 394 if test $want_server = yes; then
 395   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 396                [AC_SUBST(LIBDB,[-ldb])],
 397                [missing_libraries="$missing_libraries libdb"])
 398   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 399                [:],
 400                [missing_libraries="$missing_libraries libvorbis"])
 401   AC_CHECK_LIB(vorbisfile, ov_open,
 402                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 403                [missing_libraries="$missing_libraries libvorbisfile"],
 404                [-lvorbis])
 405   AC_CHECK_LIB(mad, mad_stream_init,
 406                [AC_SUBST(LIBMAD,[-lmad])],
 407                [missing_libraries="$missing_libraries libmad"])
 408   AC_CHECK_LIB([ao], [ao_initialize],
 409                [AC_SUBST(LIBAO,[-lao])],
 410                [missing_libraries="$missing_libraries libao"])
 411   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 412                [AC_SUBST(LIBFLAC,[-lFLAC])],
 413                [missing_libraries="$missing_libraries libFLAC"])
 414 fi
 415 AC_CHECK_LIB([pthread], [pthread_create],
 416              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 417              [missing_libraries="$missing_libraries libpthread"])
 418
 419 if test $want_gtk = yes; then
 420   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 421   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 422 fi
 423
 424 # Some platforms have iconv already
 425 AC_CHECK_FUNC(iconv_open, [:],
 426               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 427                             [AC_SUBST(LIBICONV,[-liconv])],
 428                             [missing_functions="$missing_functions iconv_open"])])
 429 AC_CHECK_FUNC([gethostbyname],[:],[
 430   AC_CHECK_LIB(nsl,gethostbyname,
 431                [AC_SUBST(LIBNSL,[-lnsl])],
 432                [missing_functions="$missing_functions gethostbyname"])])
 433 AC_CHECK_FUNC([socket],[:],[
 434   AC_CHECK_LIB(socket,socket,
 435                [AC_SUBST(LIBSOCKET,[-lsocket])],
 436                [missing_functions="$missing_functions socket"])])
 437 AC_CHECK_FUNC([dlopen],[:],[
 438   AC_CHECK_LIB(dl,dlopen,
 439                [AC_SUBST(LIBDL,[-ldl])],
 440                [missing_functions="$missing_functions dlopen"])])
 441
 442 if test ! -z "$missing_libraries"; then
 443   AC_MSG_ERROR([missing libraries:$missing_libraries])
 444 fi
 445
 446 # Checks for header files.
 447 RJK_FIND_GC_H
 448 if test $want_oss = yes; then
 449   AC_CHECK_HEADERS([sys/soundcard.h])
 450 fi
 451 if test $want_alsa = yes; then
 452   AC_CHECK_HEADERS([alsa/asoundlib.h])
 453 fi
 454 if test $want_coreaudio = yes; then
 455   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 456 fi
 457 AC_CHECK_HEADERS([inttypes.h])
 458 # We don't bother checking very standard stuff
 459 # Compilation will fail if any of these headers are missing, so we
 460 # check for them here and fail early.
 461 if test $want_server = yes; then
 462   AC_CHECK_HEADERS([db.h],[:],[
 463     missing_headers="$missing_headers $ac_header"
 464   ])
 465   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 466 fi
 467 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 468                  getopt.h iconv.h langinfo.h \
 469                  pcre.h sys/ioctl.h \
 470                  syslog.h unistd.h],[:],[
 471   missing_headers="$missing_headers $ac_header"
 472 ])
 473
 474 if test ! -z "$missing_headers"; then
 475   AC_MSG_ERROR([missing headers:$missing_headers])
 476 fi
 477
 478 # We require that libpcre support UTF-8
 479 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 480
 481 # Checks for typedefs, structures, and compiler characteristics.
 482 AC_C_CONST
 483 AC_TYPE_SIZE_T
 484 AC_C_INLINE
 485 AC_C_BIGENDIAN
 486 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 487 #include <netinet/in.h>])
 488
 489 # enable -Werror when we check for certain characteristics:
 490
 491 old_CFLAGS="${CFLAGS}"
 492 CFLAGS="${CFLAGS} $gcc_werror"
 493 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 494
 495 # Some GCC invocations warn for converting function pointers to void *.
 496 # This is fair enough, as it's technically forbidden, but we use dlsym()
 497 # which can pretty much only exist if object and function pointers are
 498 # interconvertable.  So we disable -Werror if need be.
 499 if test ! -z "$gcc_werror"; then
 500   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 501                  [rjk_cv_function_pointer_cast],[
 502     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 503   void somefunction(void);],
 504                       [(void *)somefunction])],
 505                       [rjk_cv_function_pointer_cast=yes],
 506                       [rjk_cv_function_pointer_cast=no])])
 507   if test $rjk_cv_function_pointer_cast = no; then
 508     gcc_werror=""
 509   fi
 510 fi
 511
 512 CFLAGS="${old_CFLAGS}"
 513
 514 # gcrypt maintainers keep changing everything.  Design your interface
 515 # first, then implement it once, rather than getting it wrong three or
 516 # four times and shipping between each attempt.
 517 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 518                [rjk_cv_gcrypt_hash_handle],[
 519   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 520 #include <gcrypt.h>
 521 ],
 522                [gcry_md_hd_t h;])],
 523                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 524     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 525 #include <gcrypt.h>
 526 ],
 527                  [GcryMDHd h;])],
 528                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 529                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 530 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 531                    [libgcrypt hash handle type])
 532
 533 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 534                [rjk_cv_have_gcry_error_t],[
 535   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 536 #include <gcrypt.h>
 537 ],
 538                  [gcry_error_t e;])],
 539                  [rjk_cv_have_gcry_error_t=yes],
 540                  [rjk_cv_have_gcry_error_t=no])])
 541 if test $rjk_cv_have_gcry_error_t = yes; then
 542   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 543 fi
 544
 545 # Checks for functions
 546 if test $ac_cv_type_long_long = yes; then
 547   AC_CHECK_FUNCS([atoll strtoll],[:],[
 548     missing_functions="$missing_functions $ac_func"
 549   ])
 550   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 551   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 552                  [rjk_cv_strtoll_declared],[
 553     AC_EGREP_HEADER([strtoll], [stdlib.h],
 554                     [rjk_cv_strtoll_declared=yes],
 555                     [rjk_cv_strtoll_declared=no])])
 556   if test $rjk_cv_strtoll_declared = yes; then
 557     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 558   fi
 559   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 560                  [rjk_cv_atoll_declared],[
 561     AC_EGREP_HEADER([atoll], [stdlib.h],
 562                     [rjk_cv_atoll_declared=yes],
 563                     [rjk_cv_atoll_declared=no])])
 564   if test $rjk_cv_atoll_declared = yes; then
 565     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 566   fi
 567 fi
 568 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 569   missing_functions="$missing_functions $ac_func"
 570 ])
 571 # fsync will do if fdatasync not available
 572 AC_CHECK_FUNCS([fdatasync],[:],[
 573   AC_CHECK_FUNCS([fsync],
 574                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 575                  [missing_functions="$missing_functions fdatasync"])])
 576 if test ! -z "$missing_functions"; then
 577   AC_MSG_ERROR([missing functions:$missing_functions])
 578 fi
 579
 580 # Functions we can take or leave
 581 AC_CHECK_FUNCS([fls])
 582
 583 if test $want_server = yes; then
 584   # <db.h> had better be version 3 or later
 585   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 586     AC_PREPROC_IFELSE([
 587                        #include <db.h>
 588                        #ifndef DB_VERSION_MAJOR
 589                        # error cannot determine db version
 590                        #endif
 591                        #if DB_VERSION_MAJOR < 4
 592                        # error inadequate db version
 593                        #endif
 594                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 595                        # error inadequate db version
 596                        #endif
 597                       ],
 598                       [rjk_cv_db_version=ok],
 599                       [rjk_cv_db_version=inadequate])
 600     if test $rjk_cv_db_version = ok; then
 601       AC_PREPROC_IFELSE([
 602                          #include <db.h>
 603                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 604                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 605                          #endif
 606                         ],
 607                         [rjk_cv_db_version=ok],
 608                         [rjk_cv_db_version=toxic])
 609     fi
 610   ])
 611   case $rjk_cv_db_version in
 612   ok )
 613     ;;
 614   inadequate )
 615     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 616     ;;
 617   toxic )
 618     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 619     ;;
 620   esac
 621 fi
 622
 623 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 624 if test $want_gtk = yes; then
 625   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 626 fi
 627
 628 if test "x$GCC" = xyes; then
 629   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 630   # by default.
 631   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 632     AC_TRY_COMPILE([#include <limits.h>],[
 633       long long n = LLONG_MAX;
 634     ],[rjk_cv_cstd=default],[
 635       old_CC="$CC"
 636       CC="${CC} -std=gnu99"
 637       AC_TRY_COMPILE([#include <limits.h>],[
 638         long long n = LLONG_MAX;
 639       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 640       CC="$old_CC"
 641     ])
 642   ])
 643   case $rjk_cv_cstd in
 644   default | unknown )
 645     ;;
 646   * )
 647     CC="${CC} -std=${rjk_cv_cstd}"
 648     ;;
 649   esac
 650
 651   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 652   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 653     old_CC="$CC"
 654     if test $GCC = yes; then
 655       CC="$CC -Wall -Werror"
 656     fi
 657     AC_COMPILE_IFELSE([
 658       static int x(char *f) {
 659        return *f;
 660       }
 661       int z(const char *g) {
 662         return x((char *)g);
 663       }],
 664       [rjk_cv_pr29478=no],
 665       [rjk_cv_pr29478=yes]
 666     )
 667     CC="$old_CC"
 668   ])
 669   if test $rjk_cv_pr29478 = yes; then
 670     gcc_werror=''
 671   fi
 672
 673   # a reasonable default set of warnings
 674   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 675         -Wwrite-strings -Wmissing-prototypes \
 676         -Wmissing-declarations -Wnested-externs"
 677
 678   # Fix up GTK+ and GLib compiler flags
 679   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 680   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 681
 682   if test "$gcc_werror" != ''; then
 683     # GCC 2.95 doesn't know to ignore warnings from system headers
 684     AC_CACHE_CHECK([whether -Werror is usable],
 685                     rjk_cv_werror, [
 686       save_CFLAGS="${CFLAGS}"
 687       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 688       AC_TRY_COMPILE([#if WITH_GTK
 689  #include <gtk/gtk.h>
 690 #endif
 691
 692 struct s { int a, b; };
 693 const struct s sv = { .a = 1 };],
 694                      [],
 695                      [rjk_cv_werror=yes],
 696                      [rjk_cv_werror=no])
 697       CFLAGS="${save_CFLAGS}"
 698     ])
 699     if test $rjk_cv_werror = no; then
 700       gcc_werror=''
 701     fi
 702   fi
 703   CC="${CC} $gcc_werror"
 704
 705   # for older GCCs that don't know %ju (etc)
 706   AC_CACHE_CHECK([whether -Wno-format is required],
 707                  rjk_cv_noformat,
 708                  AC_TRY_COMPILE([#include <stdio.h>
 709 #include <stdint.h>
 710 ],
 711                                 [printf("%ju", (uintmax_t)0);],
 712                                 [rjk_cv_noformat=no],
 713                                 [rjk_cv_noformat=yes]))
 714   if test $rjk_cv_noformat = yes; then
 715     CC="${CC} -Wno-format"
 716   fi
 717
 718   AC_CACHE_CHECK([whether -Wshadow is OK],
 719                  rjk_cv_shadow,
 720                  oldCC="${CC}"
 721                  CC="${CC} -Wshadow"
 722                  [AC_TRY_COMPILE([
 723 #include <unistd.h>
 724 #include <vorbis/vorbisfile.h>
 725 ],
 726                                 [],
 727                                 [rjk_cv_shadow=yes],
 728                                 [rjk_cv_shadow=no])
 729                  CC="${oldCC}"])
 730   if test $rjk_cv_shadow = yes; then
 731     CC="${CC} -Wshadow"
 732   fi
 733 fi
 734
 735 RJK_GCOV
 736
 737 AH_BOTTOM([#ifdef __GNUC__
 738 # define attribute(x) __attribute__(x)
 739 #else
 740 # define attribute(x)
 741 #endif])
 742
 743 AC_CONFIG_FILES([Makefile
 744                  images/Makefile
 745                  scripts/Makefile
 746                  lib/Makefile
 747                  server/Makefile
 748                  cgi/Makefile
 749                  clients/Makefile
 750                  disobedience/Makefile
 751                  doc/Makefile
 752                  templates/Makefile
 753                  plugins/Makefile
 754                  driver/Makefile
 755                  debian/Makefile
 756                  sounds/Makefile
 757                  python/Makefile
 758                  examples/Makefile
 759                  libtests/Makefile
 760                  tests/Makefile])
 761 AC_OUTPUT
 762
 763 if test $GCC = yes && test "$gcc_werror" = ''; then
 764   AC_MSG_WARN([building without -Werror])
 765 fi
 766 if test $want_python = no; then
 767   AC_MSG_WARN([cannot run the test suit without Python])
 768 fi
 769
 770 # Local Variables:
 771 # indent-tabs-mode:nil
 772 # End: