mdw@git.distorted.org.uk Git - 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) 2004-2010 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], [5.0.DEV], [richard+disorder@sfere.greenend.org.uk])
  22 AC_CONFIG_AUX_DIR([config.aux])
  23 AM_INIT_AUTOMAKE(disorder, [5.0.DEV])
  24 AC_CONFIG_SRCDIR([server/disorderd.c])
  25 AM_CONFIG_HEADER([config.h])
  26 AC_CONFIG_MACRO_DIR([m4])
  27
  28 # Find host type
  29 AC_CANONICAL_HOST
  30
  31 # What we want to build
  32 want_gtk=yes
  33 want_python=yes
  34 want_tests=yes
  35 want_server=yes
  36 want_cgi=yes
  37
  38 # APIs we want
  39 want_alsa=yes
  40 want_oss=yes
  41 want_coreaudio=yes
  42
  43 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
  44 #
  45 # Disobedience can be built to a native OS X application.  There are some
  46 # caveats:
  47 #  - you will still need Fink (or something) for other libraries
  48 #  - if you wanted an application bundle you are out of luck
  49 #  - the menu bar is still in the main window (not at the top of the screen)
  50 #
  51 # So it's still rather rough and ready.  But it does work...
  52 #
  53 # See:
  54 #   http://www.gtk-osx.org/
  55 #   http://live.gnome.org/GTK%2B/OSX/Framework
  56 want_gtkosx=no
  57
  58 # Checks for programs.
  59 AC_PROG_CC
  60 AM_PROG_CC_C_O
  61 AC_PROG_AWK
  62 AC_SET_MAKE
  63 if test "x$GCC" = xyes; then
  64   gcc_werror=-Werror
  65   case "$CC" in
  66   *-std=* )
  67     ;;
  68   * )
  69     CC="${CC} -std=gnu99"
  70     ;;
  71   esac
  72 else
  73   AC_MSG_ERROR([GNU C is required to build this program])
  74   gcc_werror=""
  75 fi
  76
  77 AC_ARG_WITH([alsa],
  78             [AS_HELP_STRING([--without-alsa],
  79                             [do not build with ALSA support])],
  80             [want_alsa=$withval])
  81 AC_ARG_WITH([oss],
  82             [AS_HELP_STRING([--without-oss],
  83                             [do not build with OSS support])],
  84             [want_oss=$withval])
  85 AC_ARG_WITH([coreaudio],
  86             [AS_HELP_STRING([--without-coreaudio],
  87                             [do not build with Core Audio support])],
  88             [want_coreaudio=$withval])
  89 AC_ARG_WITH([tests],
  90             [AS_HELP_STRING([--without-tests],
  91                             [do not build test suit])],
  92             [want_tests=$withval])
  93 AC_ARG_WITH([gtk-osx],
  94             [AS_HELP_STRING([--with-gtk-osx],
  95                             [use native GTK+ (OS X only)])],
  96             [want_gtkosx=$withval])
  97
  98 AC_MSG_CHECKING([for a known target platform])
  99 case "$host" in
 100 *empeg* )
 101   AC_MSG_RESULT([empeg car stereo])
 102   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
 103   # work around broken toolchain
 104   AC_CHECK_LIB([gpg-error], [gpg_strerror])
 105   AC_CHECK_LIB([pthread], [pthread_create])
 106   want_server=no
 107   want_cgi=no
 108  ;;
 109 *linux* | *Linux* )
 110   AC_MSG_RESULT([Linux])
 111   ;;
 112 *-apple-darwin* )
 113   AC_MSG_RESULT([Mac OS X])
 114   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
 115   # so we'll just turn off the warning.
 116   CC="$CC -Wno-deprecated-declarations"
 117   if test $want_coreaudio = yes; then
 118     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
 119   fi
 120   browser=open
 121   AC_MSG_CHECKING([Mac OS X target version])
 122   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 123   # behaviour.  But we provide a command line option to override it and
 124   # we default to wide support instead of supporting only the build platform.
 125   #
 126   # Currently if you ask for 10.5 you will get a deprecation warning
 127   # when building the CoreAudio support code.  For the time being the
 128   # answer to this is "don't do that then".  If a good reason to ask
 129   # for a 10.5 deployment target emerges then this will be fixed.
 130   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 131     MACOSX_DEPLOYMENT_TARGET=10.0
 132   fi
 133   AC_ARG_WITH([deployment-target],
 134               [AS_HELP_STRING([--with-deployment-target=TARGET],
 135                               [set target OS X version])],
 136               [MACOSX_DEPLOYMENT_TARGET=$withval])
 137   # Convert to desired format
 138   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 139   minver="MAC_OS_X_VERSION_$underscored"
 140   AC_MSG_RESULT([$minver])
 141   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 142                      [define to minimum version of Mac OS X to support])
 143
 144   if test $want_gtkosx = no; then
 145     # Fink's GTK+ is hopelessly broken
 146     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 147     export PKG_CONFIG_PATH
 148   fi
 149
 150   ;;
 151 *-freebsd* )
 152   AC_MSG_RESULT([FreeBSD])
 153   # Ports install to /usr/local but the compiler stupidly doesn't look
 154   # there by default
 155   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 156   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 157   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 158   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 159     rjk_cv_libdb="none"
 160     for db in db43 db44 db45 db47; do
 161       if test -e /usr/local/lib/$db; then
 162         rjk_cv_libdb=$db
 163         break
 164       fi
 165     done
 166   ])
 167   if test $rjk_cv_libdb != none; then
 168     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 169     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 170   fi
 171   ;;
 172 * )
 173   AC_MSG_RESULT([unknown, winging it])
 174   ;;
 175 esac
 176 AC_SUBST([COREAUDIO])
 177
 178 AC_ARG_WITH([browser],
 179             [AS_HELP_STRING([--with-browser=BROWSER],
 180                             [use BROWSER to display HTML])],
 181             [browser=$withval])
 182
 183 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 184   rjk_cv_browser=UNKNOWN
 185   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 186     if type $candidate >/dev/null 2>&1; then
 187       rjk_cv_browser="$candidate"
 188       break
 189     fi
 190   done
 191 ])
 192 if test -z "$browser"; then
 193   browser="$rjk_cv_browser"
 194 fi
 195 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 196
 197 # Figure out what version of sox is installed
 198 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 199   rjk_cv_soxver=UNKNOWN
 200   if sox --version > /dev/null 2>&1; then
 201     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 202   else
 203     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 204   fi
 205 ])
 206
 207 # Decide what command line options to use
 208 #
 209 # sox version   endian     bits       deployed
 210 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 211 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 212 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 213 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 214
 215 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 216   case $rjk_cv_soxver in
 217   [[0-9]].* | 1[[0123]].* )
 218     rjk_cv_soxgen=0
 219     ;;
 220   * )
 221     rjk_cv_soxgen=1
 222     ;;
 223   esac
 224 ])
 225 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 226                    [default sox generation])
 227
 228 AC_ARG_WITH([server],
 229             [AS_HELP_STRING([--without-server],
 230                             [do not build server])],
 231             [want_server=$withval])
 232 AC_ARG_WITH([cgi],
 233             [AS_HELP_STRING([--without-cgi],
 234                             [do not build CGI])],
 235             [want_cgi=$withval])
 236 AC_ARG_WITH([gtk],
 237             [AS_HELP_STRING([--without-gtk],
 238                             [do not build GTK+ client])],
 239             [want_gtk=$withval])
 240 AC_ARG_WITH([python],
 241             [AS_HELP_STRING([--without-python],
 242                             [do not build Python support])],
 243             [want_python=$withval])
 244
 245 if test $want_server = no; then
 246   want_cgi=no
 247 fi
 248
 249 #
 250 # OS          Document Root                  CGI directory
 251 # ==          =============                  =============
 252 # Debian      /var/www                       /usr/lib/cgi-bin
 253 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 254 # Red Hat     /var/www/html                  /var/www/cgi-bin
 255 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 256 # Slackware   /var/www/htdocs                (unknown)
 257 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 258 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 259 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 260 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 261 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 262 # Apache      /usr/local/apache/htdocs       (none)
 263 #
 264 # Sources:
 265 #   http://wiki.linuxquestions.org/wiki/Apache
 266 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 267 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 268 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 269 #   http://httpd.apache.org/docs/
 270 #
 271 if test $want_cgi = yes; then
 272   if test -z "$httpdir"; then
 273     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 274       rjk_cv_httpdir="not found"
 275       for dir in /var/www/html \
 276                  /var/www/htdocs \
 277                  /var/www/localhost/htdocs \
 278                  /var/www \
 279                  /home/httpd/html \
 280                  /srv/www/html \
 281                  /usr/local/www/data \
 282                  /usr/local/www/*/data \
 283                  /Library/WebServer/Documents \
 284                  /usr/local/apache/htdocs; do
 285         if test -d "$dir"; then
 286           rjk_cv_httpdir="$dir"
 287         fi
 288       done
 289     ])
 290     if test "$rjk_cv_httpdir" = "not found"; then
 291       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 292     fi
 293     httpdir="$rjk_cv_httpdir"
 294   fi
 295   if test ! -z "$cgidir"; then
 296     # This is a bit harsh but should stop any disasters
 297     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 298   fi
 299   if test -z "$cgiexecdir"; then
 300     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 301       rjk_cv_cgiexecdir="not found"
 302       for dir in /usr/lib/cgi-bin \
 303                  /Library/WebServer/CGI-Executables \
 304                  /srv/www/cgi-bin \
 305                  /var/www/cgi-bin \
 306                  /home/httpd/cgi-bin \
 307                  /var/www/localhost/cgi-bin \
 308                  /usr/local/lib/cgi-bin \
 309                  /usr/local/www/cgi-bin \
 310                  /usr/local/www/*/cgi-bin; do
 311         if test -d "$dir"; then
 312           rjk_cv_cgiexecdir="$dir"
 313           break
 314         fi
 315       done
 316     ])
 317     if test "$rjk_cv_cgiexecdir" = "not found"; then
 318       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 319     fi
 320     cgiexecdir="$rjk_cv_cgiexecdir"
 321   fi
 322 fi
 323 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 324 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 325 if test -z "$pkghttpdir"; then
 326   pkghttpdir='$(httpdir)/disorder'
 327 fi
 328 AC_SUBST([pkghttpdir])
 329
 330 if test -z "$dochtmldir"; then
 331   dochtmldir='$(docdir)/html'
 332 fi
 333 AC_SUBST([dochtmldir])
 334
 335 subdirs="scripts lib"
 336 if test $want_tests = yes; then
 337   subdirs="${subdirs} libtests"
 338 fi
 339 subdirs="${subdirs} clients doc examples debian"
 340
 341 if test $want_server = yes; then
 342   subdirs="${subdirs} server plugins sounds"
 343 fi
 344 if test $want_cgi = yes; then
 345   subdirs="${subdirs} cgi templates images"
 346 fi
 347 if test $want_gtk = yes; then
 348   subdirs="${subdirs} disobedience"
 349   if test $want_server = no; then
 350     subdirs="${subdirs} images"
 351   fi
 352 fi
 353 if test $want_tests = yes && test $want_python = yes; then
 354   AM_PATH_PYTHON([2.5])
 355   subdirs="${subdirs} python tests"
 356 fi
 357 AC_SUBST([subdirs])
 358
 359 # libtool config
 360 AC_LIBTOOL_DLOPEN
 361 AC_DISABLE_STATIC
 362
 363 AC_PROG_LIBTOOL
 364
 365 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 366   rjk_cv_gnused="not found"
 367   for candidate in sed gsed; do
 368     if $candidate --version >/dev/null 2>&1; then
 369       rjk_cv_gnused=$candidate
 370     fi
 371   done
 372 ])
 373 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 374 if test "$GNUSED" = "not found"; then
 375   AC_MSG_ERROR([GNU sed is required to build this program])
 376 fi
 377 AC_SUBST([GNUSED])
 378
 379 AC_CHECK_PROGS([GROG],[grog])
 380 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 381
 382 missing_libraries=""
 383 missing_headers=""
 384 missing_functions=""
 385
 386 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 387
 388 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 389
 390 # Macs might have libraries under fink's root
 391 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 392 if test "x$FINK" != xnone; then
 393   # Find Fink prefix
 394   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 395     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 396   ])
 397   # Add include and link paths
 398   finkdir="${rjk_cv_finkprefix}"
 399   finkbindir="${rjk_cv_finkprefix}/bin"
 400   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
 401   if test $want_server = yes; then
 402     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
 403   fi
 404   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 405   # Distinguish 32- and 64-bit fink
 406   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
 407     odata=`otool -v -h $finkbindir/dpkg`
 408     case "$odata" in
 409     *X86_64* )
 410       rjk_cv_finkbits=64
 411       ;;
 412     *I386* )
 413       rjk_cv_finkbits=32
 414       ;;
 415     * )
 416       rjk_cv_finkbits=unknown
 417       ;;
 418     esac
 419   ])
 420   # Match Fink so we can use its libraries
 421   case $rjk_cv_finkbits in
 422   32 | 64 )
 423     CC="$CC -m$rjk_cv_finkbits"
 424     ;;
 425   esac
 426 else
 427   finkbindir=""
 428 fi
 429 AC_SUBST([finkdir])
 430 AC_SUBST([finkbindir])
 431
 432 # Checks for libraries.
 433 # We save up a list of missing libraries that we can't do without
 434 # and report them all at once.
 435 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 436             [missing_libraries="$missing_libraries libgc"])
 437 AC_CHECK_LIB(gcrypt, gcry_md_open,
 438              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 439             [missing_libraries="$missing_libraries libgcrypt"])
 440 AC_CHECK_LIB(pcre, pcre_compile,
 441              [AC_SUBST(LIBPCRE,[-lpcre])],
 442              [missing_libraries="$missing_libraries libpcre"])
 443 if test $want_alsa = yes; then
 444   AC_CHECK_LIB([asound], [snd_pcm_open],
 445                [AC_SUBST(LIBASOUND,[-lasound])])
 446 fi
 447 AC_CHECK_LIB([samplerate],[src_new],
 448              [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
 449 if test $want_server = yes; then
 450   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 451                [AC_SUBST(LIBDB,[-ldb])],
 452                [missing_libraries="$missing_libraries libdb"])
 453   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 454                [:],
 455                [missing_libraries="$missing_libraries libvorbis"])
 456   AC_CHECK_LIB(vorbisfile, ov_open,
 457                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 458                [missing_libraries="$missing_libraries libvorbisfile"],
 459                [-lvorbis])
 460   AC_CHECK_LIB(mad, mad_stream_init,
 461                [AC_SUBST(LIBMAD,[-lmad])],
 462                [missing_libraries="$missing_libraries libmad"])
 463   AC_CHECK_LIB([ao], [ao_initialize],
 464                [AC_SUBST(LIBAO,[-lao])],
 465                [missing_libraries="$missing_libraries libao"])
 466   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 467                [AC_SUBST(LIBFLAC,[-lFLAC])],
 468                [missing_libraries="$missing_libraries libFLAC"])
 469 fi
 470 AC_CHECK_LIB([pthread], [pthread_create],
 471              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 472              [missing_libraries="$missing_libraries libpthread"])
 473
 474 if test $want_gtk = yes; then
 475   if test $want_gtkosx = yes; then
 476     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
 477     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
 478     GTK_LIBS="-framework Gtk -framework GLib"
 479   else
 480     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 481     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 482   fi
 483 fi
 484
 485 # Some platforms have iconv already
 486 AC_CHECK_FUNC(iconv_open, [:],
 487               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 488                             [AC_SUBST(LIBICONV,[-liconv])],
 489                             [missing_functions="$missing_functions iconv_open"])])
 490 AC_CHECK_FUNC([gethostbyname],[:],[
 491   AC_CHECK_LIB(nsl,gethostbyname,
 492                [AC_SUBST(LIBNSL,[-lnsl])],
 493                [missing_functions="$missing_functions gethostbyname"])])
 494 AC_CHECK_FUNC([socket],[:],[
 495   AC_CHECK_LIB(socket,socket,
 496                [AC_SUBST(LIBSOCKET,[-lsocket])],
 497                [missing_functions="$missing_functions socket"])])
 498 AC_CHECK_FUNC([dlopen],[:],[
 499   AC_CHECK_LIB(dl,dlopen,
 500                [AC_SUBST(LIBDL,[-ldl])],
 501                [missing_functions="$missing_functions dlopen"])])
 502
 503 if test ! -z "$missing_libraries"; then
 504   AC_MSG_ERROR([missing libraries:$missing_libraries])
 505 fi
 506
 507 # Checks for header files.
 508 RJK_FIND_GC_H
 509 if test $want_oss = yes; then
 510   AC_CHECK_HEADERS([sys/soundcard.h])
 511 fi
 512 if test $want_alsa = yes; then
 513   AC_CHECK_HEADERS([alsa/asoundlib.h])
 514 fi
 515 if test $want_coreaudio = yes; then
 516   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 517 fi
 518 AC_CHECK_HEADERS([inttypes.h])
 519 # We don't bother checking very standard stuff
 520 # Compilation will fail if any of these headers are missing, so we
 521 # check for them here and fail early.
 522 if test $want_server = yes; then
 523   AC_CHECK_HEADERS([db.h],[:],[
 524     missing_headers="$missing_headers $ac_header"
 525   ])
 526 fi
 527 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 528                  getopt.h iconv.h langinfo.h \
 529                  pcre.h sys/ioctl.h \
 530                  syslog.h unistd.h],[:],[
 531   missing_headers="$missing_headers $ac_header"
 532 ])
 533 AC_CHECK_HEADERS([samplerate.h])
 534
 535 if test ! -z "$missing_headers"; then
 536   AC_MSG_ERROR([missing headers:$missing_headers])
 537 fi
 538
 539 # We require that libpcre support UTF-8
 540 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 541
 542 # Checks for typedefs, structures, and compiler characteristics.
 543 AC_C_CONST
 544 AC_TYPE_SIZE_T
 545 AC_C_INLINE
 546 AC_C_BIGENDIAN
 547 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 548 #include <netinet/in.h>])
 549
 550 # Figure out how we'll check for devices being mounted and unmounted
 551 AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
 552   if test -e /etc/mtab; then
 553     rjk_cv_mtab=/etc/mtab
 554   else
 555     rjk_cv_mtab=none
 556   fi
 557 ])
 558 if test $rjk_cv_mtab != none; then
 559   AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
 560 fi
 561
 562 # enable -Werror when we check for certain characteristics:
 563
 564 old_CFLAGS="${CFLAGS}"
 565 CFLAGS="${CFLAGS} $gcc_werror"
 566 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 567
 568 # Some GCC invocations warn for converting function pointers to void *.
 569 # This is fair enough, as it's technically forbidden, but we use dlsym()
 570 # which can pretty much only exist if object and function pointers are
 571 # interconvertable.  So we disable -Werror if need be.
 572 if test ! -z "$gcc_werror"; then
 573   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 574                  [rjk_cv_function_pointer_cast],[
 575     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 576   void somefunction(void);],
 577                       [(void *)somefunction])],
 578                       [rjk_cv_function_pointer_cast=yes],
 579                       [rjk_cv_function_pointer_cast=no])])
 580   if test $rjk_cv_function_pointer_cast = no; then
 581     gcc_werror=""
 582   fi
 583 fi
 584
 585 CFLAGS="${old_CFLAGS}"
 586
 587 # gcrypt maintainers keep changing everything.  Design your interface
 588 # first, then implement it once, rather than getting it wrong three or
 589 # four times and shipping between each attempt.
 590 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 591                [rjk_cv_gcrypt_hash_handle],[
 592   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 593 #include <gcrypt.h>
 594 ],
 595                [gcry_md_hd_t h;])],
 596                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 597     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 598 #include <gcrypt.h>
 599 ],
 600                  [GcryMDHd h;])],
 601                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 602                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 603 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 604                    [libgcrypt hash handle type])
 605
 606 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 607                [rjk_cv_have_gcry_error_t],[
 608   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 609 #include <gcrypt.h>
 610 ],
 611                  [gcry_error_t e;])],
 612                  [rjk_cv_have_gcry_error_t=yes],
 613                  [rjk_cv_have_gcry_error_t=no])])
 614 if test $rjk_cv_have_gcry_error_t = yes; then
 615   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 616 fi
 617
 618 # Checks for functions
 619 if test $ac_cv_type_long_long = yes; then
 620   AC_CHECK_FUNCS([atoll strtoll],[:],[
 621     missing_functions="$missing_functions $ac_func"
 622   ])
 623   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 624   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 625                  [rjk_cv_strtoll_declared],[
 626     AC_EGREP_HEADER([strtoll], [stdlib.h],
 627                     [rjk_cv_strtoll_declared=yes],
 628                     [rjk_cv_strtoll_declared=no])])
 629   if test $rjk_cv_strtoll_declared = yes; then
 630     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 631   fi
 632   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 633                  [rjk_cv_atoll_declared],[
 634     AC_EGREP_HEADER([atoll], [stdlib.h],
 635                     [rjk_cv_atoll_declared=yes],
 636                     [rjk_cv_atoll_declared=no])])
 637   if test $rjk_cv_atoll_declared = yes; then
 638     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 639   fi
 640 fi
 641 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 642   missing_functions="$missing_functions $ac_func"
 643 ])
 644 # fsync will do if fdatasync not available
 645 AC_CHECK_FUNCS([fdatasync],[:],[
 646   AC_CHECK_FUNCS([fsync],
 647                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 648                  [missing_functions="$missing_functions fdatasync"])])
 649 if test ! -z "$missing_functions"; then
 650   AC_MSG_ERROR([missing functions:$missing_functions])
 651 fi
 652
 653 # Functions we can take or leave
 654 AC_CHECK_FUNCS([fls getfsstat])
 655
 656 if test $want_server = yes; then
 657   # <db.h> had better be version 3 or later
 658   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 659     AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 660                        #include <db.h>
 661                        #ifndef DB_VERSION_MAJOR
 662                        # error cannot determine db version
 663                        #endif
 664                        #if DB_VERSION_MAJOR < 4
 665                        # error inadequate db version
 666                        #endif
 667                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 668                        # error inadequate db version
 669                        #endif
 670                       ],[])],
 671                       [rjk_cv_db_version=ok],
 672                       [rjk_cv_db_version=inadequate])
 673     if test $rjk_cv_db_version = ok; then
 674       AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 675                          #include <db.h>
 676                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 677                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 678                          #endif
 679                         ],[])],
 680                         [rjk_cv_db_version=ok],
 681                         [rjk_cv_db_version=toxic])
 682     fi
 683   ])
 684   case $rjk_cv_db_version in
 685   ok )
 686     ;;
 687   inadequate )
 688     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 689     ;;
 690   toxic )
 691     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 692     ;;
 693   esac
 694 fi
 695
 696 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 697 if test $want_gtk = yes; then
 698   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 699 fi
 700 AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
 701
 702 if test "x$GCC" = xyes; then
 703   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 704   # by default.
 705   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 706     AC_TRY_COMPILE([#include <limits.h>],[
 707       long long n = LLONG_MAX;
 708     ],[rjk_cv_cstd=default],[
 709       old_CC="$CC"
 710       CC="${CC} -std=gnu99"
 711       AC_TRY_COMPILE([#include <limits.h>],[
 712         long long n = LLONG_MAX;
 713       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 714       CC="$old_CC"
 715     ])
 716   ])
 717   case $rjk_cv_cstd in
 718   default | unknown )
 719     ;;
 720   * )
 721     CC="${CC} -std=${rjk_cv_cstd}"
 722     ;;
 723   esac
 724
 725   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 726   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 727     old_CC="$CC"
 728     if test $GCC = yes; then
 729       CC="$CC -Wall -Werror"
 730     fi
 731     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
 732       static int x(char *f) {
 733        return *f;
 734       }
 735       int z(const char *g) {
 736         return x((char *)g);
 737       }])],
 738       [rjk_cv_pr29478=no],
 739       [rjk_cv_pr29478=yes]
 740     )
 741     CC="$old_CC"
 742   ])
 743   if test $rjk_cv_pr29478 = yes; then
 744     gcc_werror=''
 745   fi
 746
 747   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
 748                  [rjk_cv_gcc44_stupidity],[
 749     old_CC="$CC"
 750     if test $GCC = yes; then
 751       CC="$CC -Wreturn-type -Werror"
 752     fi
 753     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
 754       static void *threadfn(void) {
 755         for(;;)
 756           ;
 757       }],[])],
 758       [rjk_cv_gcc44_stupidity=no],
 759       [rjk_cv_gcc44_stupidity=yes])
 760     CC="$old_CC"
 761   ])
 762   if test $rjk_cv_gcc44_stupidity = yes; then
 763     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
 764   fi
 765
 766   # a reasonable default set of warnings
 767   CC="${CC} -Wall -W -Wpointer-arith \
 768         -Wwrite-strings -Wmissing-prototypes \
 769         -Wmissing-declarations -Wnested-externs"
 770
 771   # Fix up GTK+ and GLib compiler flags
 772   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 773   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 774
 775   if test "$gcc_werror" != ''; then
 776     # GCC 2.95 doesn't know to ignore warnings from system headers
 777     AC_CACHE_CHECK([whether -Werror is usable],
 778                     rjk_cv_werror, [
 779       save_CFLAGS="${CFLAGS}"
 780       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 781       AC_TRY_COMPILE([#if WITH_GTK
 782  #include <gtk/gtk.h>
 783 #endif
 784
 785 struct s { int a, b; };
 786 const struct s sv = { .a = 1 };],
 787                      [],
 788                      [rjk_cv_werror=yes],
 789                      [rjk_cv_werror=no])
 790       CFLAGS="${save_CFLAGS}"
 791     ])
 792     if test $rjk_cv_werror = no; then
 793       gcc_werror=''
 794     fi
 795   fi
 796   CC="${CC} $gcc_werror"
 797
 798   # for older GCCs that don't know %ju (etc)
 799   AC_CACHE_CHECK([whether -Wno-format is required],
 800                  rjk_cv_noformat,
 801                  AC_TRY_COMPILE([#include <stdio.h>
 802 #include <stdint.h>
 803 ],
 804                                 [printf("%ju", (uintmax_t)0);],
 805                                 [rjk_cv_noformat=no],
 806                                 [rjk_cv_noformat=yes]))
 807   if test $rjk_cv_noformat = yes; then
 808     CC="${CC} -Wno-format"
 809   fi
 810
 811   AC_CACHE_CHECK([whether -Wshadow is OK],
 812                  rjk_cv_shadow,
 813                  oldCC="${CC}"
 814                  CC="${CC} -Wshadow"
 815                  [AC_TRY_COMPILE([
 816 #include <unistd.h>
 817 #include <vorbis/vorbisfile.h>
 818 ],
 819                                 [],
 820                                 [rjk_cv_shadow=yes],
 821                                 [rjk_cv_shadow=no])
 822                  CC="${oldCC}"])
 823   if test $rjk_cv_shadow = yes; then
 824     CC="${CC} -Wshadow"
 825   fi
 826 fi
 827
 828 RJK_GCOV
 829
 830 AH_BOTTOM([#ifdef __GNUC__
 831 # define attribute(x) __attribute__(x)
 832 #else
 833 # define attribute(x)
 834 #endif])
 835
 836 AC_CONFIG_FILES([Makefile
 837                  images/Makefile
 838                  scripts/Makefile
 839                  lib/Makefile
 840                  server/Makefile
 841                  cgi/Makefile
 842                  clients/Makefile
 843                  disobedience/Makefile
 844                  disobedience/manual/Makefile
 845                  doc/Makefile
 846                  templates/Makefile
 847                  plugins/Makefile
 848                  debian/Makefile
 849                  sounds/Makefile
 850                  python/Makefile
 851                  examples/Makefile
 852                  libtests/Makefile
 853                  tests/Makefile])
 854 AC_OUTPUT
 855
 856 if test $GCC = yes && test "$gcc_werror" = ''; then
 857   AC_MSG_WARN([building without -Werror])
 858 fi
 859 if test $want_python = no; then
 860   AC_MSG_WARN([cannot run the test suit without Python])
 861 fi
 862 if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
 863   AC_MSG_WARN([libsamplerate will be required in a future version])
 864 fi
 865
 866 # Local Variables:
 867 # indent-tabs-mode:nil
 868 # End: