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], [4.2+], [richard+disorder@sfere.greenend.org.uk])
  22 AC_CONFIG_AUX_DIR([config.aux])
  23 AM_INIT_AUTOMAKE(disorder, [4.2+])
  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 AC_SET_MAKE
  45 if test "x$GCC" = xyes; then
  46   gcc_werror=-Werror
  47   case "$CC" in
  48   *-std=* )
  49     ;;
  50   * )
  51     CC="${CC} -std=gnu99"
  52     ;;
  53   esac
  54 else
  55   AC_MSG_ERROR([GNU C is required to build this program])
  56   gcc_werror=""
  57 fi
  58
  59 AC_ARG_WITH([alsa],
  60             [AS_HELP_STRING([--without-alsa],
  61                             [do not build with ALSA support])],
  62             [want_alsa=$withval])
  63 AC_ARG_WITH([oss],
  64             [AS_HELP_STRING([--without-oss],
  65                             [do not build with OSS support])],
  66             [want_oss=$withval])
  67 AC_ARG_WITH([coreaudio],
  68             [AS_HELP_STRING([--without-coreaudio],
  69                             [do not build with Core Audio support])],
  70             [want_coreaudio=$withval])
  71 AC_ARG_WITH([tests],
  72             [AS_HELP_STRING([--without-tests],
  73                             [do not build test suit])],
  74             [want_tests=$withval])
  75
  76 AC_MSG_CHECKING([for a known target platform])
  77 case "$host" in
  78 *empeg* )
  79   AC_MSG_RESULT([empeg car stereo])
  80   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  81   # work around broken toolchain
  82   AC_CHECK_LIB([gpg-error], [gpg_strerror])
  83   AC_CHECK_LIB([pthread], [pthread_create])
  84   want_server=no
  85   want_cgi=no
  86  ;;
  87 *linux* | *Linux* )
  88   AC_MSG_RESULT([Linux])
  89   ;;
  90 *-apple-darwin* )
  91   AC_MSG_RESULT([Mac OS X])
  92   if test $want_coreaudio = yes; then
  93     COREAUDIO="-framework CoreAudio"
  94   fi
  95   browser=open
  96   AC_MSG_CHECKING([Mac OS X target version])
  97   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
  98   # behaviour.  But we provide a command line option to override it and
  99   # we default to wide support instead of supporting only the build platform.
 100   #
 101   # Currently if you ask for 10.5 you will get a deprecation warning
 102   # when building the CoreAudio support code.  For the time being the
 103   # answer to this is "don't do that then".  If a good reason to ask
 104   # for a 10.5 deployment target emerges then this will be fixed.
 105   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 106     MACOSX_DEPLOYMENT_TARGET=10.0
 107   fi
 108   AC_ARG_WITH([deployment-target],
 109               [AS_HELP_STRING([--with-deployment-target=TARGET],
 110                               [set target OS X version])],
 111               [MACOSX_DEPLOYMENT_TARGET=$withval])
 112   # Convert to desired format
 113   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 114   minver="MAC_OS_X_VERSION_$underscored"
 115   AC_MSG_RESULT([$minver])
 116   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 117                      [define to minimum version of Mac OS X to support])
 118
 119   # Fink's GTK+ is hopelessly broken
 120   PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 121   export PKG_CONFIG_PATH
 122
 123   ;;
 124 *-freebsd* )
 125   AC_MSG_RESULT([FreeBSD])
 126   # Ports install to /usr/local but the compiler stupidly doesn't look
 127   # there by default
 128   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 129   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 130   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 131   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 132     rjk_cv_libdb="none"
 133     for db in db43 db44 db45 db46; do
 134       if test -e /usr/local/lib/$db; then
 135         rjk_cv_libdb=$db
 136         break
 137       fi
 138     done
 139   ])
 140   if test $rjk_cv_libdb != none; then
 141     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 142     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 143   fi
 144   ;;
 145 * )
 146   AC_MSG_RESULT([unknown, winging it])
 147   ;;
 148 esac
 149 AC_SUBST([COREAUDIO])
 150
 151 AC_ARG_WITH([browser],
 152             [AS_HELP_STRING([--with-browser=BROWSER],
 153                             [use BROWSER to display HTML])],
 154             [browser=$withval])
 155
 156 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 157   rjk_cv_browser=UNKNOWN
 158   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 159     if type $candidate >/dev/null 2>&1; then
 160       rjk_cv_browser="$candidate"
 161       break
 162     fi
 163   done
 164 ])
 165 if test -z "$browser"; then
 166   browser="$rjk_cv_browser"
 167 fi
 168 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 169
 170 AC_ARG_WITH([server],
 171             [AS_HELP_STRING([--without-server],
 172                             [do not build server])],
 173             [want_server=$withval])
 174 AC_ARG_WITH([cgi],
 175             [AS_HELP_STRING([--without-cgi],
 176                             [do not build CGI])],
 177             [want_cgi=$withval])
 178 AC_ARG_WITH([gtk],
 179             [AS_HELP_STRING([--without-gtk],
 180                             [do not build GTK+ client])],
 181             [want_gtk=$withval])
 182 AC_ARG_WITH([python],
 183             [AS_HELP_STRING([--without-python],
 184                             [do not build Python support])],
 185             [want_python=$withval])
 186
 187 if test $want_server = no; then
 188   want_cgi=no
 189 fi
 190
 191 #
 192 # OS          Document Root                  CGI directory
 193 # ==          =============                  =============
 194 # Debian      /var/www                       /usr/lib/cgi-bin
 195 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 196 # Red Hat     /var/www/html                  /var/www/cgi-bin
 197 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 198 # Slackware   /var/www/htdocs                (unknown)
 199 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 200 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 201 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 202 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 203 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 204 # Apache      /usr/local/apache/htdocs       (none)
 205 #
 206 # Sources:
 207 #   http://wiki.linuxquestions.org/wiki/Apache
 208 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 209 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 210 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 211 #   http://httpd.apache.org/docs/
 212 #
 213 if test $want_cgi = yes; then
 214   if test -z "$httpdir"; then
 215     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 216       rjk_cv_httpdir="not found"
 217       for dir in /var/www/html \
 218                  /var/www/htdocs \
 219                  /var/www/localhost/htdocs \
 220                  /var/www \
 221                  /home/httpd/html \
 222                  /srv/www/html \
 223                  /usr/local/www/data \
 224                  /usr/local/www/*/data \
 225                  /Library/WebServer/Documents \
 226                  /usr/local/apache/htdocs; do
 227         if test -d "$dir"; then
 228           rjk_cv_httpdir="$dir"
 229         fi
 230       done
 231     ])
 232     if test "$rjk_cv_cgiexecdir" = "not found"; then
 233       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 234     fi
 235     httpdir="$rjk_cv_httpdir"
 236   fi
 237   if test ! -z "$cgidir"; then
 238     # This is a bit harsh but should stop any disasters
 239     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 240   fi
 241   if test -z "$cgiexecdir"; then
 242     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 243       rjk_cv_cgiexecdir="not found"
 244       for dir in /usr/lib/cgi-bin \
 245                  /Library/WebServer/CGI-Executables \
 246                  /srv/www/cgi-bin \
 247                  /var/www/cgi-bin \
 248                  /home/httpd/cgi-bin \
 249                  /var/www/localhost/cgi-bin \
 250                  /usr/local/lib/cgi-bin \
 251                  /usr/local/www/cgi-bin \
 252                  /usr/local/www/*/cgi-bin; do
 253         if test -d "$dir"; then
 254           rjk_cv_cgiexecdir="$dir"
 255           break
 256         fi
 257       done
 258     ])
 259     if test "$rjk_cv_cgiexecdir" = "not found"; then
 260       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 261     fi
 262     cgiexecdir="$rjk_cv_cgiexecdir"
 263   fi
 264 fi
 265 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 266 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 267 if test -z "$pkghttpdir"; then
 268   pkghttpdir='$(httpdir)/disorder'
 269 fi
 270 AC_SUBST([pkghttpdir])
 271
 272 subdirs="scripts lib"
 273 if test $want_tests = yes; then
 274   subdirs="${subdirs} libtests"
 275 fi
 276 subdirs="${subdirs} clients doc examples debian"
 277
 278 if test $want_server = yes; then
 279   subdirs="${subdirs} server plugins driver sounds"
 280 fi
 281 if test $want_cgi = yes; then
 282   subdirs="${subdirs} cgi templates images"
 283 fi
 284 if test $want_gtk = yes; then
 285   subdirs="${subdirs} disobedience"
 286   if test $want_server = no; then
 287     subdirs="${subdirs} images"
 288   fi
 289 fi
 290 if test $want_tests = yes && test $want_python = yes; then
 291   AM_PATH_PYTHON([2.4])
 292   subdirs="${subdirs} python tests"
 293 fi
 294 AC_SUBST([subdirs])
 295
 296 # libtool config
 297 AC_LIBTOOL_DLOPEN
 298 AC_DISABLE_STATIC
 299
 300 AC_PROG_LIBTOOL
 301
 302 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 303   rjk_cv_gnused="not found"
 304   for candidate in sed gsed; do
 305     if $candidate --version >/dev/null 2>&1; then
 306       rjk_cv_gnused=$candidate
 307     fi
 308   done
 309 ])
 310 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 311 if test "$GNUSED" = "not found"; then
 312   AC_MSG_ERROR([GNU sed is required to build this program])
 313 fi
 314 AC_SUBST([GNUSED])
 315
 316 AC_CHECK_PROGS([GROG],[grog])
 317 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 318
 319 missing_libraries=""
 320 missing_headers=""
 321 missing_functions=""
 322
 323 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 324
 325 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 326
 327 # Macs might have libraries under fink's root
 328 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 329 if test "x$FINK" != xnone; then
 330   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 331     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 332   ])
 333   finkdir="${rjk_cv_finkprefix}"
 334   finkbindir="${rjk_cv_finkprefix}/bin"
 335   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 336   if test $want_server = yes; then
 337     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 338   fi
 339   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 340 else
 341   finkbindir=""
 342 fi
 343 AC_SUBST([finkdir])
 344 AC_SUBST([finkbindir])
 345
 346 # Checks for libraries.
 347 # We save up a list of missing libraries that we can't do without
 348 # and report them all at once.
 349 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 350             [missing_libraries="$missing_libraries libgc"])
 351 AC_CHECK_LIB(gcrypt, gcry_md_open,
 352              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 353             [missing_libraries="$missing_libraries libgcrypt"])
 354 AC_CHECK_LIB(pcre, pcre_compile,
 355              [AC_SUBST(LIBPCRE,[-lpcre])],
 356              [missing_libraries="$missing_libraries libpcre"])
 357 if test $want_alsa = yes; then
 358   AC_CHECK_LIB([asound], [snd_pcm_open],
 359                [AC_SUBST(LIBASOUND,[-lasound])])
 360 fi
 361 if test $want_server = yes; then
 362   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 363                [AC_SUBST(LIBDB,[-ldb])],
 364                [missing_libraries="$missing_libraries libdb"])
 365   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 366                [:],
 367                [missing_libraries="$missing_libraries libvorbis"])
 368   AC_CHECK_LIB(vorbisfile, ov_open,
 369                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 370                [missing_libraries="$missing_libraries libvorbisfile"],
 371                [-lvorbis])
 372   AC_CHECK_LIB(mad, mad_stream_init,
 373                [AC_SUBST(LIBMAD,[-lmad])],
 374                [missing_libraries="$missing_libraries libmad"])
 375   AC_CHECK_LIB([ao], [ao_initialize],
 376                [AC_SUBST(LIBAO,[-lao])],
 377                [missing_libraries="$missing_libraries libao"])
 378   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 379                [AC_SUBST(LIBFLAC,[-lFLAC])],
 380                [missing_libraries="$missing_libraries libFLAC"])
 381 fi
 382 AC_CHECK_LIB([pthread], [pthread_create],
 383              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 384              [missing_libraries="$missing_libraries libpthread"])
 385
 386 if test $want_gtk = yes; then
 387   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 388   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 389 fi
 390
 391 # Some platforms have iconv already
 392 AC_CHECK_FUNC(iconv_open, [:],
 393               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 394                             [AC_SUBST(LIBICONV,[-liconv])],
 395                             [missing_functions="$missing_functions iconv_open"])])
 396 AC_CHECK_FUNC([gethostbyname],[:],[
 397   AC_CHECK_LIB(nsl,gethostbyname,
 398                [AC_SUBST(LIBNSL,[-lnsl])],
 399                [missing_functions="$missing_functions gethostbyname"])])
 400 AC_CHECK_FUNC([socket],[:],[
 401   AC_CHECK_LIB(socket,socket,
 402                [AC_SUBST(LIBSOCKET,[-lsocket])],
 403                [missing_functions="$missing_functions socket"])])
 404 AC_CHECK_FUNC([dlopen],[:],[
 405   AC_CHECK_LIB(dl,dlopen,
 406                [AC_SUBST(LIBDL,[-ldl])],
 407                [missing_functions="$missing_functions dlopen"])])
 408
 409 if test ! -z "$missing_libraries"; then
 410   AC_MSG_ERROR([missing libraries:$missing_libraries])
 411 fi
 412
 413 # Checks for header files.
 414 RJK_FIND_GC_H
 415 if test $want_oss = yes; then
 416   AC_CHECK_HEADERS([sys/soundcard.h])
 417 fi
 418 if test $want_alsa = yes; then
 419   AC_CHECK_HEADERS([alsa/asoundlib.h])
 420 fi
 421 if test $want_coreaudio = yes; then
 422   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 423 fi
 424 AC_CHECK_HEADERS([inttypes.h])
 425 # We don't bother checking very standard stuff
 426 # Compilation will fail if any of these headers are missing, so we
 427 # check for them here and fail early.
 428 if test $want_server = yes; then
 429   AC_CHECK_HEADERS([db.h],[:],[
 430     missing_headers="$missing_headers $ac_header"
 431   ])
 432   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 433 fi
 434 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 435                  getopt.h iconv.h langinfo.h \
 436                  pcre.h sys/ioctl.h \
 437                  syslog.h unistd.h],[:],[
 438   missing_headers="$missing_headers $ac_header"
 439 ])
 440
 441 if test ! -z "$missing_headers"; then
 442   AC_MSG_ERROR([missing headers:$missing_headers])
 443 fi
 444
 445 # We require that libpcre support UTF-8
 446 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 447
 448 # Checks for typedefs, structures, and compiler characteristics.
 449 AC_C_CONST
 450 AC_TYPE_SIZE_T
 451 AC_C_INLINE
 452 AC_C_BIGENDIAN
 453 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 454 #include <netinet/in.h>])
 455
 456 # enable -Werror when we check for certain characteristics:
 457
 458 old_CFLAGS="${CFLAGS}"
 459 CFLAGS="${CFLAGS} $gcc_werror"
 460 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 461
 462 # Some GCC invocations warn for converting function pointers to void *.
 463 # This is fair enough, as it's technically forbidden, but we use dlsym()
 464 # which can pretty much only exist if object and function pointers are
 465 # interconvertable.  So we disable -Werror if need be.
 466 if test ! -z "$gcc_werror"; then
 467   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 468                  [rjk_cv_function_pointer_cast],[
 469     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 470   void somefunction(void);],
 471                       [(void *)somefunction])],
 472                       [rjk_cv_function_pointer_cast=yes],
 473                       [rjk_cv_function_pointer_cast=no])])
 474   if test $rjk_cv_function_pointer_cast = no; then
 475     gcc_werror=""
 476   fi
 477 fi
 478
 479 CFLAGS="${old_CFLAGS}"
 480
 481 # gcrypt maintainers keep changing everything.  Design your interface
 482 # first, then implement it once, rather than getting it wrong three or
 483 # four times and shipping between each attempt.
 484 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 485                [rjk_cv_gcrypt_hash_handle],[
 486   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 487 #include <gcrypt.h>
 488 ],
 489                [gcry_md_hd_t h;])],
 490                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 491     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 492 #include <gcrypt.h>
 493 ],
 494                  [GcryMDHd h;])],
 495                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 496                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 497 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 498                    [libgcrypt hash handle type])
 499
 500 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 501                [rjk_cv_have_gcry_error_t],[
 502   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 503 #include <gcrypt.h>
 504 ],
 505                  [gcry_error_t e;])],
 506                  [rjk_cv_have_gcry_error_t=yes],
 507                  [rjk_cv_have_gcry_error_t=no])])
 508 if test $rjk_cv_have_gcry_error_t = yes; then
 509   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 510 fi
 511
 512 # Checks for functions
 513 if test $ac_cv_type_long_long = yes; then
 514   AC_CHECK_FUNCS([atoll strtoll],[:],[
 515     missing_functions="$missing_functions $ac_func"
 516   ])
 517   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 518   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 519                  [rjk_cv_strtoll_declared],[
 520     AC_EGREP_HEADER([strtoll], [stdlib.h],
 521                     [rjk_cv_strtoll_declared=yes],
 522                     [rjk_cv_strtoll_declared=no])])
 523   if test $rjk_cv_strtoll_declared = yes; then
 524     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 525   fi
 526   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 527                  [rjk_cv_atoll_declared],[
 528     AC_EGREP_HEADER([atoll], [stdlib.h],
 529                     [rjk_cv_atoll_declared=yes],
 530                     [rjk_cv_atoll_declared=no])])
 531   if test $rjk_cv_atoll_declared = yes; then
 532     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 533   fi
 534 fi
 535 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 536   missing_functions="$missing_functions $ac_func"
 537 ])
 538 # fsync will do if fdatasync not available
 539 AC_CHECK_FUNCS([fdatasync],[:],[
 540   AC_CHECK_FUNCS([fsync],
 541                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 542                  [missing_functions="$missing_functions fdatasync"])])
 543 if test ! -z "$missing_functions"; then
 544   AC_MSG_ERROR([missing functions:$missing_functions])
 545 fi
 546
 547 # Functions we can take or leave
 548 AC_CHECK_FUNCS([fls])
 549
 550 if test $want_server = yes; then
 551   # <db.h> had better be version 3 or later
 552   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 553     AC_PREPROC_IFELSE([
 554                        #include <db.h>
 555                        #ifndef DB_VERSION_MAJOR
 556                        # error cannot determine db version
 557                        #endif
 558                        #if DB_VERSION_MAJOR < 4
 559                        # error inadequate db version
 560                        #endif
 561                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 562                        # error inadequate db version
 563                        #endif
 564                       ],
 565                       [rjk_cv_db_version=ok],
 566                       [rjk_cv_db_version=inadequate])
 567   ])
 568   if test $rjk_cv_db_version != ok; then
 569     AC_MSG_ERROR([need db.h version at least 4.2])
 570   fi
 571 fi
 572
 573 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 574 if test $want_gtk = yes; then
 575   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 576 fi
 577
 578 if test "x$GCC" = xyes; then
 579   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 580   # by default.
 581   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 582     AC_TRY_COMPILE([#include <limits.h>],[
 583       long long n = LLONG_MAX;
 584     ],[rjk_cv_cstd=default],[
 585       old_CC="$CC"
 586       CC="${CC} -std=gnu99"
 587       AC_TRY_COMPILE([#include <limits.h>],[
 588         long long n = LLONG_MAX;
 589       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 590       CC="$old_CC"
 591     ])
 592   ])
 593   case $rjk_cv_cstd in
 594   default | unknown )
 595     ;;
 596   * )
 597     CC="${CC} -std=${rjk_cv_cstd}"
 598     ;;
 599   esac
 600
 601   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 602   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 603     old_CC="$CC"
 604     if test $GCC = yes; then
 605       CC="$CC -Wall -Werror"
 606     fi
 607     AC_COMPILE_IFELSE([
 608       static int x(char *f) {
 609        return *f;
 610       }
 611       int z(const char *g) {
 612         return x((char *)g);
 613       }],
 614       [rjk_cv_pr29478=no],
 615       [rjk_cv_pr29478=yes]
 616     )
 617     CC="$old_CC"
 618   ])
 619   if test $rjk_cv_pr29478 = yes; then
 620     gcc_werror=''
 621   fi
 622
 623   # a reasonable default set of warnings
 624   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 625         -Wwrite-strings -Wmissing-prototypes \
 626         -Wmissing-declarations -Wnested-externs"
 627
 628   # Fix up GTK+ and GLib compiler flags
 629   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 630   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 631
 632   if test "$gcc_werror" != ''; then
 633     # GCC 2.95 doesn't know to ignore warnings from system headers
 634     AC_CACHE_CHECK([whether -Werror is usable],
 635                     rjk_cv_werror, [
 636       save_CFLAGS="${CFLAGS}"
 637       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 638       AC_TRY_COMPILE([#if WITH_GTK
 639  #include <gtk/gtk.h>
 640 #endif
 641
 642 struct s { int a, b; };
 643 const struct s sv = { .a = 1 };],
 644                      [],
 645                      [rjk_cv_werror=yes],
 646                      [rjk_cv_werror=no])
 647       CFLAGS="${save_CFLAGS}"
 648     ])
 649     if test $rjk_cv_werror = no; then
 650       gcc_werror=''
 651     fi
 652   fi
 653   CC="${CC} $gcc_werror"
 654
 655   # for older GCCs that don't know %ju (etc)
 656   AC_CACHE_CHECK([whether -Wno-format is required],
 657                  rjk_cv_noformat,
 658                  AC_TRY_COMPILE([#include <stdio.h>
 659 #include <stdint.h>
 660 ],
 661                                 [printf("%ju", (uintmax_t)0);],
 662                                 [rjk_cv_noformat=no],
 663                                 [rjk_cv_noformat=yes]))
 664   if test $rjk_cv_noformat = yes; then
 665     CC="${CC} -Wno-format"
 666   fi
 667
 668   AC_CACHE_CHECK([whether -Wshadow is OK],
 669                  rjk_cv_shadow,
 670                  oldCC="${CC}"
 671                  CC="${CC} -Wshadow"
 672                  [AC_TRY_COMPILE([
 673 #include <unistd.h>
 674 #include <vorbis/vorbisfile.h>
 675 ],
 676                                 [],
 677                                 [rjk_cv_shadow=yes],
 678                                 [rjk_cv_shadow=no])
 679                  CC="${oldCC}"])
 680   if test $rjk_cv_shadow = yes; then
 681     CC="${CC} -Wshadow"
 682   fi
 683 fi
 684
 685 RJK_GCOV
 686
 687 AH_BOTTOM([#ifdef __GNUC__
 688 # define attribute(x) __attribute__(x)
 689 #else
 690 # define attribute(x)
 691 #endif])
 692
 693 AC_CONFIG_FILES([Makefile
 694                  images/Makefile
 695                  scripts/Makefile
 696                  lib/Makefile
 697                  server/Makefile
 698                  cgi/Makefile
 699                  clients/Makefile
 700                  disobedience/Makefile
 701                  doc/Makefile
 702                  templates/Makefile
 703                  plugins/Makefile
 704                  driver/Makefile
 705                  debian/Makefile
 706                  sounds/Makefile
 707                  python/Makefile
 708                  examples/Makefile
 709                  libtests/Makefile
 710                  tests/Makefile])
 711 AC_OUTPUT
 712
 713 if test $GCC = yes && test "$gcc_werror" = ''; then
 714   AC_MSG_WARN([building without -Werror])
 715 fi
 716 if test $want_python = no; then
 717   AC_MSG_WARN([cannot run the test suit without Python])
 718 fi
 719
 720 # Local Variables:
 721 # indent-tabs-mode:nil
 722 # End: