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) 2004-2009 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 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
  43 #
  44 # Disobedience can be built to a native OS X application.  There are some
  45 # caveats:
  46 #  - you will still need Fink (or something) for other libraries
  47 #  - if you wanted an application bundle you are out of luck
  48 #  - the menu bar is still in the main window (not at the top of the screen)
  49 #
  50 # So it's still rather rough and ready.  But it does work...
  51 #
  52 # See:
  53 #   http://www.gtk-osx.org/
  54 #   http://live.gnome.org/GTK%2B/OSX/Framework
  55 want_gtkosx=no
  56
  57 # Checks for programs.
  58 AC_PROG_CC
  59 AM_PROG_CC_C_O
  60 AC_PROG_AWK
  61 AC_SET_MAKE
  62 if test "x$GCC" = xyes; then
  63   gcc_werror=-Werror
  64   case "$CC" in
  65   *-std=* )
  66     ;;
  67   * )
  68     CC="${CC} -std=gnu99"
  69     ;;
  70   esac
  71 else
  72   AC_MSG_ERROR([GNU C is required to build this program])
  73   gcc_werror=""
  74 fi
  75
  76 AC_ARG_WITH([alsa],
  77             [AS_HELP_STRING([--without-alsa],
  78                             [do not build with ALSA support])],
  79             [want_alsa=$withval])
  80 AC_ARG_WITH([oss],
  81             [AS_HELP_STRING([--without-oss],
  82                             [do not build with OSS support])],
  83             [want_oss=$withval])
  84 AC_ARG_WITH([coreaudio],
  85             [AS_HELP_STRING([--without-coreaudio],
  86                             [do not build with Core Audio support])],
  87             [want_coreaudio=$withval])
  88 AC_ARG_WITH([tests],
  89             [AS_HELP_STRING([--without-tests],
  90                             [do not build test suit])],
  91             [want_tests=$withval])
  92 AC_ARG_WITH([gtk-osx],
  93             [AS_HELP_STRING([--with-gtk-osx],
  94                             [use native GTK+ (OS X only)])],
  95             [want_gtkosx=$withval])
  96
  97 AC_MSG_CHECKING([for a known target platform])
  98 case "$host" in
  99 *empeg* )
 100   AC_MSG_RESULT([empeg car stereo])
 101   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
 102   # work around broken toolchain
 103   AC_CHECK_LIB([gpg-error], [gpg_strerror])
 104   AC_CHECK_LIB([pthread], [pthread_create])
 105   want_server=no
 106   want_cgi=no
 107  ;;
 108 *linux* | *Linux* )
 109   AC_MSG_RESULT([Linux])
 110   ;;
 111 *-apple-darwin* )
 112   AC_MSG_RESULT([Mac OS X])
 113   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
 114   # so we'll just turn off the warning.
 115   CC="$CC -Wno-deprecated-declarations"
 116   if test $want_coreaudio = yes; then
 117     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
 118   fi
 119   browser=open
 120   AC_MSG_CHECKING([Mac OS X target version])
 121   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 122   # behaviour.  But we provide a command line option to override it and
 123   # we default to wide support instead of supporting only the build platform.
 124   #
 125   # Currently if you ask for 10.5 you will get a deprecation warning
 126   # when building the CoreAudio support code.  For the time being the
 127   # answer to this is "don't do that then".  If a good reason to ask
 128   # for a 10.5 deployment target emerges then this will be fixed.
 129   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 130     MACOSX_DEPLOYMENT_TARGET=10.0
 131   fi
 132   AC_ARG_WITH([deployment-target],
 133               [AS_HELP_STRING([--with-deployment-target=TARGET],
 134                               [set target OS X version])],
 135               [MACOSX_DEPLOYMENT_TARGET=$withval])
 136   # Convert to desired format
 137   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 138   minver="MAC_OS_X_VERSION_$underscored"
 139   AC_MSG_RESULT([$minver])
 140   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 141                      [define to minimum version of Mac OS X to support])
 142
 143   if test $want_gtkosx = no; then
 144     # Fink's GTK+ is hopelessly broken
 145     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 146     export PKG_CONFIG_PATH
 147   fi
 148
 149   ;;
 150 *-freebsd* )
 151   AC_MSG_RESULT([FreeBSD])
 152   # Ports install to /usr/local but the compiler stupidly doesn't look
 153   # there by default
 154   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 155   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 156   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 157   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 158     rjk_cv_libdb="none"
 159     for db in db43 db44 db45 db46; do
 160       if test -e /usr/local/lib/$db; then
 161         rjk_cv_libdb=$db
 162         break
 163       fi
 164     done
 165   ])
 166   if test $rjk_cv_libdb != none; then
 167     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 168     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 169   fi
 170   ;;
 171 * )
 172   AC_MSG_RESULT([unknown, winging it])
 173   ;;
 174 esac
 175 AC_SUBST([COREAUDIO])
 176
 177 AC_ARG_WITH([browser],
 178             [AS_HELP_STRING([--with-browser=BROWSER],
 179                             [use BROWSER to display HTML])],
 180             [browser=$withval])
 181
 182 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 183   rjk_cv_browser=UNKNOWN
 184   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 185     if type $candidate >/dev/null 2>&1; then
 186       rjk_cv_browser="$candidate"
 187       break
 188     fi
 189   done
 190 ])
 191 if test -z "$browser"; then
 192   browser="$rjk_cv_browser"
 193 fi
 194 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 195
 196 # Figure out what version of sox is installed
 197 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 198   rjk_cv_soxver=UNKNOWN
 199   if sox --version > /dev/null 2>&1; then
 200     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 201   else
 202     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 203   fi
 204 ])
 205
 206 # Decide what command line options to use
 207 #
 208 # sox version   endian     bits       deployed
 209 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 210 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 211 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 212 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 213
 214 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 215   case $rjk_cv_soxver in
 216   [[0-9]].* | 1[[0123]].* )
 217     rjk_cv_soxgen=0
 218     ;;
 219   * )
 220     rjk_cv_soxgen=1
 221     ;;
 222   esac
 223 ])
 224 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 225                    [default sox generation])
 226
 227 AC_ARG_WITH([server],
 228             [AS_HELP_STRING([--without-server],
 229                             [do not build server])],
 230             [want_server=$withval])
 231 AC_ARG_WITH([cgi],
 232             [AS_HELP_STRING([--without-cgi],
 233                             [do not build CGI])],
 234             [want_cgi=$withval])
 235 AC_ARG_WITH([gtk],
 236             [AS_HELP_STRING([--without-gtk],
 237                             [do not build GTK+ client])],
 238             [want_gtk=$withval])
 239 AC_ARG_WITH([python],
 240             [AS_HELP_STRING([--without-python],
 241                             [do not build Python support])],
 242             [want_python=$withval])
 243
 244 if test $want_server = no; then
 245   want_cgi=no
 246 fi
 247
 248 #
 249 # OS          Document Root                  CGI directory
 250 # ==          =============                  =============
 251 # Debian      /var/www                       /usr/lib/cgi-bin
 252 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 253 # Red Hat     /var/www/html                  /var/www/cgi-bin
 254 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 255 # Slackware   /var/www/htdocs                (unknown)
 256 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 257 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 258 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 259 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 260 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 261 # Apache      /usr/local/apache/htdocs       (none)
 262 #
 263 # Sources:
 264 #   http://wiki.linuxquestions.org/wiki/Apache
 265 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 266 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 267 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 268 #   http://httpd.apache.org/docs/
 269 #
 270 if test $want_cgi = yes; then
 271   if test -z "$httpdir"; then
 272     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 273       rjk_cv_httpdir="not found"
 274       for dir in /var/www/html \
 275                  /var/www/htdocs \
 276                  /var/www/localhost/htdocs \
 277                  /var/www \
 278                  /home/httpd/html \
 279                  /srv/www/html \
 280                  /usr/local/www/data \
 281                  /usr/local/www/*/data \
 282                  /Library/WebServer/Documents \
 283                  /usr/local/apache/htdocs; do
 284         if test -d "$dir"; then
 285           rjk_cv_httpdir="$dir"
 286         fi
 287       done
 288     ])
 289     if test "$rjk_cv_cgiexecdir" = "not found"; then
 290       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 291     fi
 292     httpdir="$rjk_cv_httpdir"
 293   fi
 294   if test ! -z "$cgidir"; then
 295     # This is a bit harsh but should stop any disasters
 296     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 297   fi
 298   if test -z "$cgiexecdir"; then
 299     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 300       rjk_cv_cgiexecdir="not found"
 301       for dir in /usr/lib/cgi-bin \
 302                  /Library/WebServer/CGI-Executables \
 303                  /srv/www/cgi-bin \
 304                  /var/www/cgi-bin \
 305                  /home/httpd/cgi-bin \
 306                  /var/www/localhost/cgi-bin \
 307                  /usr/local/lib/cgi-bin \
 308                  /usr/local/www/cgi-bin \
 309                  /usr/local/www/*/cgi-bin; do
 310         if test -d "$dir"; then
 311           rjk_cv_cgiexecdir="$dir"
 312           break
 313         fi
 314       done
 315     ])
 316     if test "$rjk_cv_cgiexecdir" = "not found"; then
 317       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 318     fi
 319     cgiexecdir="$rjk_cv_cgiexecdir"
 320   fi
 321 fi
 322 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 323 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 324 if test -z "$pkghttpdir"; then
 325   pkghttpdir='$(httpdir)/disorder'
 326 fi
 327 AC_SUBST([pkghttpdir])
 328
 329 subdirs="scripts lib"
 330 if test $want_tests = yes; then
 331   subdirs="${subdirs} libtests"
 332 fi
 333 subdirs="${subdirs} clients doc examples debian"
 334
 335 if test $want_server = yes; then
 336   subdirs="${subdirs} server plugins driver sounds"
 337 fi
 338 if test $want_cgi = yes; then
 339   subdirs="${subdirs} cgi templates images"
 340 fi
 341 if test $want_gtk = yes; then
 342   subdirs="${subdirs} disobedience"
 343   if test $want_server = no; then
 344     subdirs="${subdirs} images"
 345   fi
 346 fi
 347 if test $want_tests = yes && test $want_python = yes; then
 348   AM_PATH_PYTHON([2.5])
 349   subdirs="${subdirs} python tests"
 350 fi
 351 AC_SUBST([subdirs])
 352
 353 # libtool config
 354 AC_LIBTOOL_DLOPEN
 355 AC_DISABLE_STATIC
 356
 357 AC_PROG_LIBTOOL
 358
 359 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 360   rjk_cv_gnused="not found"
 361   for candidate in sed gsed; do
 362     if $candidate --version >/dev/null 2>&1; then
 363       rjk_cv_gnused=$candidate
 364     fi
 365   done
 366 ])
 367 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 368 if test "$GNUSED" = "not found"; then
 369   AC_MSG_ERROR([GNU sed is required to build this program])
 370 fi
 371 AC_SUBST([GNUSED])
 372
 373 AC_CHECK_PROGS([GROG],[grog])
 374 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 375
 376 missing_libraries=""
 377 missing_headers=""
 378 missing_functions=""
 379
 380 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 381
 382 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 383
 384 # Macs might have libraries under fink's root
 385 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 386 if test "x$FINK" != xnone; then
 387   # Find Fink prefix
 388   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 389     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 390   ])
 391   # Add include and link paths
 392   finkdir="${rjk_cv_finkprefix}"
 393   finkbindir="${rjk_cv_finkprefix}/bin"
 394   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
 395   if test $want_server = yes; then
 396     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
 397   fi
 398   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 399   # Distinguish 32- and 64-bit fink
 400   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
 401     odata=`otool -v -h $finkbindir/dpkg`
 402     case "$odata" in
 403     *X86_64* )
 404       rjk_cv_finkbits=64
 405       ;;
 406     *I386* )
 407       rjk_cv_finkbits=32
 408       ;;
 409     * )
 410       rjk_cv_finkbits=unknown
 411       ;;
 412     esac
 413   ])
 414   # Match Fink so we can use its libraries
 415   case $rjk_cv_finkbits in
 416   32 | 64 )
 417     CC="$CC -m$rjk_cv_finkbits"
 418     ;;
 419   esac
 420 else
 421   finkbindir=""
 422 fi
 423 AC_SUBST([finkdir])
 424 AC_SUBST([finkbindir])
 425
 426 # Checks for libraries.
 427 # We save up a list of missing libraries that we can't do without
 428 # and report them all at once.
 429 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 430             [missing_libraries="$missing_libraries libgc"])
 431 AC_CHECK_LIB(gcrypt, gcry_md_open,
 432              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 433             [missing_libraries="$missing_libraries libgcrypt"])
 434 AC_CHECK_LIB(pcre, pcre_compile,
 435              [AC_SUBST(LIBPCRE,[-lpcre])],
 436              [missing_libraries="$missing_libraries libpcre"])
 437 if test $want_alsa = yes; then
 438   AC_CHECK_LIB([asound], [snd_pcm_open],
 439                [AC_SUBST(LIBASOUND,[-lasound])])
 440 fi
 441 if test $want_server = yes; then
 442   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 443                [AC_SUBST(LIBDB,[-ldb])],
 444                [missing_libraries="$missing_libraries libdb"])
 445   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 446                [:],
 447                [missing_libraries="$missing_libraries libvorbis"])
 448   AC_CHECK_LIB(vorbisfile, ov_open,
 449                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 450                [missing_libraries="$missing_libraries libvorbisfile"],
 451                [-lvorbis])
 452   AC_CHECK_LIB(mad, mad_stream_init,
 453                [AC_SUBST(LIBMAD,[-lmad])],
 454                [missing_libraries="$missing_libraries libmad"])
 455   AC_CHECK_LIB([ao], [ao_initialize],
 456                [AC_SUBST(LIBAO,[-lao])],
 457                [missing_libraries="$missing_libraries libao"])
 458   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 459                [AC_SUBST(LIBFLAC,[-lFLAC])],
 460                [missing_libraries="$missing_libraries libFLAC"])
 461 fi
 462 AC_CHECK_LIB([pthread], [pthread_create],
 463              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 464              [missing_libraries="$missing_libraries libpthread"])
 465
 466 if test $want_gtk = yes; then
 467   if test $want_gtkosx = yes; then
 468     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
 469     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
 470     GTK_LIBS="-framework Gtk -framework GLib"
 471   else
 472     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 473     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 474   fi
 475 fi
 476
 477 # Some platforms have iconv already
 478 AC_CHECK_FUNC(iconv_open, [:],
 479               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 480                             [AC_SUBST(LIBICONV,[-liconv])],
 481                             [missing_functions="$missing_functions iconv_open"])])
 482 AC_CHECK_FUNC([gethostbyname],[:],[
 483   AC_CHECK_LIB(nsl,gethostbyname,
 484                [AC_SUBST(LIBNSL,[-lnsl])],
 485                [missing_functions="$missing_functions gethostbyname"])])
 486 AC_CHECK_FUNC([socket],[:],[
 487   AC_CHECK_LIB(socket,socket,
 488                [AC_SUBST(LIBSOCKET,[-lsocket])],
 489                [missing_functions="$missing_functions socket"])])
 490 AC_CHECK_FUNC([dlopen],[:],[
 491   AC_CHECK_LIB(dl,dlopen,
 492                [AC_SUBST(LIBDL,[-ldl])],
 493                [missing_functions="$missing_functions dlopen"])])
 494
 495 if test ! -z "$missing_libraries"; then
 496   AC_MSG_ERROR([missing libraries:$missing_libraries])
 497 fi
 498
 499 # Checks for header files.
 500 RJK_FIND_GC_H
 501 if test $want_oss = yes; then
 502   AC_CHECK_HEADERS([sys/soundcard.h])
 503 fi
 504 if test $want_alsa = yes; then
 505   AC_CHECK_HEADERS([alsa/asoundlib.h])
 506 fi
 507 if test $want_coreaudio = yes; then
 508   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 509 fi
 510 AC_CHECK_HEADERS([inttypes.h])
 511 # We don't bother checking very standard stuff
 512 # Compilation will fail if any of these headers are missing, so we
 513 # check for them here and fail early.
 514 if test $want_server = yes; then
 515   AC_CHECK_HEADERS([db.h],[:],[
 516     missing_headers="$missing_headers $ac_header"
 517   ])
 518   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 519 fi
 520 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 521                  getopt.h iconv.h langinfo.h \
 522                  pcre.h sys/ioctl.h \
 523                  syslog.h unistd.h],[:],[
 524   missing_headers="$missing_headers $ac_header"
 525 ])
 526
 527 if test ! -z "$missing_headers"; then
 528   AC_MSG_ERROR([missing headers:$missing_headers])
 529 fi
 530
 531 # We require that libpcre support UTF-8
 532 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 533
 534 # Checks for typedefs, structures, and compiler characteristics.
 535 AC_C_CONST
 536 AC_TYPE_SIZE_T
 537 AC_C_INLINE
 538 AC_C_BIGENDIAN
 539 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 540 #include <netinet/in.h>])
 541
 542 # enable -Werror when we check for certain characteristics:
 543
 544 old_CFLAGS="${CFLAGS}"
 545 CFLAGS="${CFLAGS} $gcc_werror"
 546 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 547
 548 # Some GCC invocations warn for converting function pointers to void *.
 549 # This is fair enough, as it's technically forbidden, but we use dlsym()
 550 # which can pretty much only exist if object and function pointers are
 551 # interconvertable.  So we disable -Werror if need be.
 552 if test ! -z "$gcc_werror"; then
 553   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 554                  [rjk_cv_function_pointer_cast],[
 555     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 556   void somefunction(void);],
 557                       [(void *)somefunction])],
 558                       [rjk_cv_function_pointer_cast=yes],
 559                       [rjk_cv_function_pointer_cast=no])])
 560   if test $rjk_cv_function_pointer_cast = no; then
 561     gcc_werror=""
 562   fi
 563 fi
 564
 565 CFLAGS="${old_CFLAGS}"
 566
 567 # gcrypt maintainers keep changing everything.  Design your interface
 568 # first, then implement it once, rather than getting it wrong three or
 569 # four times and shipping between each attempt.
 570 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 571                [rjk_cv_gcrypt_hash_handle],[
 572   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 573 #include <gcrypt.h>
 574 ],
 575                [gcry_md_hd_t h;])],
 576                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 577     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 578 #include <gcrypt.h>
 579 ],
 580                  [GcryMDHd h;])],
 581                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 582                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 583 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 584                    [libgcrypt hash handle type])
 585
 586 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 587                [rjk_cv_have_gcry_error_t],[
 588   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 589 #include <gcrypt.h>
 590 ],
 591                  [gcry_error_t e;])],
 592                  [rjk_cv_have_gcry_error_t=yes],
 593                  [rjk_cv_have_gcry_error_t=no])])
 594 if test $rjk_cv_have_gcry_error_t = yes; then
 595   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 596 fi
 597
 598 # Checks for functions
 599 if test $ac_cv_type_long_long = yes; then
 600   AC_CHECK_FUNCS([atoll strtoll],[:],[
 601     missing_functions="$missing_functions $ac_func"
 602   ])
 603   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 604   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 605                  [rjk_cv_strtoll_declared],[
 606     AC_EGREP_HEADER([strtoll], [stdlib.h],
 607                     [rjk_cv_strtoll_declared=yes],
 608                     [rjk_cv_strtoll_declared=no])])
 609   if test $rjk_cv_strtoll_declared = yes; then
 610     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 611   fi
 612   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 613                  [rjk_cv_atoll_declared],[
 614     AC_EGREP_HEADER([atoll], [stdlib.h],
 615                     [rjk_cv_atoll_declared=yes],
 616                     [rjk_cv_atoll_declared=no])])
 617   if test $rjk_cv_atoll_declared = yes; then
 618     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 619   fi
 620 fi
 621 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 622   missing_functions="$missing_functions $ac_func"
 623 ])
 624 # fsync will do if fdatasync not available
 625 AC_CHECK_FUNCS([fdatasync],[:],[
 626   AC_CHECK_FUNCS([fsync],
 627                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 628                  [missing_functions="$missing_functions fdatasync"])])
 629 if test ! -z "$missing_functions"; then
 630   AC_MSG_ERROR([missing functions:$missing_functions])
 631 fi
 632
 633 # Functions we can take or leave
 634 AC_CHECK_FUNCS([fls])
 635
 636 if test $want_server = yes; then
 637   # <db.h> had better be version 3 or later
 638   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 639     AC_PREPROC_IFELSE([
 640                        #include <db.h>
 641                        #ifndef DB_VERSION_MAJOR
 642                        # error cannot determine db version
 643                        #endif
 644                        #if DB_VERSION_MAJOR < 4
 645                        # error inadequate db version
 646                        #endif
 647                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 648                        # error inadequate db version
 649                        #endif
 650                       ],
 651                       [rjk_cv_db_version=ok],
 652                       [rjk_cv_db_version=inadequate])
 653     if test $rjk_cv_db_version = ok; then
 654       AC_PREPROC_IFELSE([
 655                          #include <db.h>
 656                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 657                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 658                          #endif
 659                         ],
 660                         [rjk_cv_db_version=ok],
 661                         [rjk_cv_db_version=toxic])
 662     fi
 663   ])
 664   case $rjk_cv_db_version in
 665   ok )
 666     ;;
 667   inadequate )
 668     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 669     ;;
 670   toxic )
 671     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 672     ;;
 673   esac
 674 fi
 675
 676 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 677 if test $want_gtk = yes; then
 678   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 679 fi
 680
 681 if test "x$GCC" = xyes; then
 682   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 683   # by default.
 684   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 685     AC_TRY_COMPILE([#include <limits.h>],[
 686       long long n = LLONG_MAX;
 687     ],[rjk_cv_cstd=default],[
 688       old_CC="$CC"
 689       CC="${CC} -std=gnu99"
 690       AC_TRY_COMPILE([#include <limits.h>],[
 691         long long n = LLONG_MAX;
 692       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 693       CC="$old_CC"
 694     ])
 695   ])
 696   case $rjk_cv_cstd in
 697   default | unknown )
 698     ;;
 699   * )
 700     CC="${CC} -std=${rjk_cv_cstd}"
 701     ;;
 702   esac
 703
 704   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 705   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 706     old_CC="$CC"
 707     if test $GCC = yes; then
 708       CC="$CC -Wall -Werror"
 709     fi
 710     AC_COMPILE_IFELSE([
 711       static int x(char *f) {
 712        return *f;
 713       }
 714       int z(const char *g) {
 715         return x((char *)g);
 716       }],
 717       [rjk_cv_pr29478=no],
 718       [rjk_cv_pr29478=yes]
 719     )
 720     CC="$old_CC"
 721   ])
 722   if test $rjk_cv_pr29478 = yes; then
 723     gcc_werror=''
 724   fi
 725
 726   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
 727                  [rjk_cv_gcc44_stupidity],[
 728     old_CC="$CC"
 729     if test $GCC = yes; then
 730       CC="$CC -Wreturn-type -Werror"
 731     fi
 732     AC_COMPILE_IFELSE([
 733       static void *threadfn(void) {
 734         for(;;)
 735           ;
 736       }],
 737       [rjk_cv_gcc44_stupidity=no],
 738       [rjk_cv_gcc44_stupidity=yes])
 739     CC="$old_CC"
 740   ])
 741   if test $rjk_cv_gcc44_stupidity = yes; then
 742     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
 743   fi
 744
 745   # a reasonable default set of warnings
 746   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 747         -Wwrite-strings -Wmissing-prototypes \
 748         -Wmissing-declarations -Wnested-externs"
 749
 750   # Fix up GTK+ and GLib compiler flags
 751   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 752   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 753
 754   if test "$gcc_werror" != ''; then
 755     # GCC 2.95 doesn't know to ignore warnings from system headers
 756     AC_CACHE_CHECK([whether -Werror is usable],
 757                     rjk_cv_werror, [
 758       save_CFLAGS="${CFLAGS}"
 759       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 760       AC_TRY_COMPILE([#if WITH_GTK
 761  #include <gtk/gtk.h>
 762 #endif
 763
 764 struct s { int a, b; };
 765 const struct s sv = { .a = 1 };],
 766                      [],
 767                      [rjk_cv_werror=yes],
 768                      [rjk_cv_werror=no])
 769       CFLAGS="${save_CFLAGS}"
 770     ])
 771     if test $rjk_cv_werror = no; then
 772       gcc_werror=''
 773     fi
 774   fi
 775   CC="${CC} $gcc_werror"
 776
 777   # for older GCCs that don't know %ju (etc)
 778   AC_CACHE_CHECK([whether -Wno-format is required],
 779                  rjk_cv_noformat,
 780                  AC_TRY_COMPILE([#include <stdio.h>
 781 #include <stdint.h>
 782 ],
 783                                 [printf("%ju", (uintmax_t)0);],
 784                                 [rjk_cv_noformat=no],
 785                                 [rjk_cv_noformat=yes]))
 786   if test $rjk_cv_noformat = yes; then
 787     CC="${CC} -Wno-format"
 788   fi
 789
 790   AC_CACHE_CHECK([whether -Wshadow is OK],
 791                  rjk_cv_shadow,
 792                  oldCC="${CC}"
 793                  CC="${CC} -Wshadow"
 794                  [AC_TRY_COMPILE([
 795 #include <unistd.h>
 796 #include <vorbis/vorbisfile.h>
 797 ],
 798                                 [],
 799                                 [rjk_cv_shadow=yes],
 800                                 [rjk_cv_shadow=no])
 801                  CC="${oldCC}"])
 802   if test $rjk_cv_shadow = yes; then
 803     CC="${CC} -Wshadow"
 804   fi
 805 fi
 806
 807 RJK_GCOV
 808
 809 AH_BOTTOM([#ifdef __GNUC__
 810 # define attribute(x) __attribute__(x)
 811 #else
 812 # define attribute(x)
 813 #endif])
 814
 815 AC_CONFIG_FILES([Makefile
 816                  images/Makefile
 817                  scripts/Makefile
 818                  lib/Makefile
 819                  server/Makefile
 820                  cgi/Makefile
 821                  clients/Makefile
 822                  disobedience/Makefile
 823                  doc/Makefile
 824                  templates/Makefile
 825                  plugins/Makefile
 826                  driver/Makefile
 827                  debian/Makefile
 828                  sounds/Makefile
 829                  python/Makefile
 830                  examples/Makefile
 831                  libtests/Makefile
 832                  tests/Makefile])
 833 AC_OUTPUT
 834
 835 if test $GCC = yes && test "$gcc_werror" = ''; then
 836   AC_MSG_WARN([building without -Werror])
 837 fi
 838 if test $want_python = no; then
 839   AC_MSG_WARN([cannot run the test suit without Python])
 840 fi
 841
 842 # Local Variables:
 843 # indent-tabs-mode:nil
 844 # End: