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) 2004-2014 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], [5.1.1], [rjk@greenend.org.uk])
  22 AC_CONFIG_AUX_DIR([config.aux])
  23 AM_INIT_AUTOMAKE([foreign])
  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_gstdecode=whatever
  37 want_cgi=yes
  38
  39 # APIs we want
  40 want_alsa=yes
  41 want_oss=yes
  42 want_coreaudio=yes
  43 want_pulseaudio=yes
  44
  45 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
  46 #
  47 # Disobedience can be built to a native OS X application.  There are some
  48 # caveats:
  49 #  - you will still need Fink (or something) for other libraries
  50 #  - if you wanted an application bundle you are out of luck
  51 #  - the menu bar is still in the main window (not at the top of the screen)
  52 #  - drag and drop doesn't work
  53 #
  54 # So it's still rather rough and ready.  But it does work...
  55 #
  56 # See:
  57 #   http://www.gtk-osx.org/
  58 #   http://live.gnome.org/GTK%2B/OSX/Framework
  59 want_gtkosx=no
  60
  61 # Checks for programs.
  62 AC_PROG_CC
  63 AM_PROG_CC_C_O
  64 AC_PROG_AWK
  65 AC_SET_MAKE
  66 if test "x$GCC" = xyes; then
  67   gcc_werror=-Werror
  68   case "$CC" in
  69   *-std=* )
  70     ;;
  71   * )
  72     CC="${CC} -std=gnu99"
  73     ;;
  74   esac
  75 else
  76   AC_MSG_ERROR([GNU C is required to build this program])
  77   gcc_werror=""
  78 fi
  79
  80 AC_ARG_WITH([alsa],
  81             [AS_HELP_STRING([--without-alsa],
  82                             [do not build with ALSA support])],
  83             [want_alsa=$withval])
  84 AC_ARG_WITH([pulseaudio],
  85             [AS_HELP_STRING([--without-pulseaudio],
  86                             [do not build with PulseAudio support])],
  87             [want_pulseaudio=$withval])
  88 AC_ARG_WITH([oss],
  89             [AS_HELP_STRING([--without-oss],
  90                             [do not build with OSS support])],
  91             [want_oss=$withval])
  92 AC_ARG_WITH([coreaudio],
  93             [AS_HELP_STRING([--without-coreaudio],
  94                             [do not build with Core Audio support])],
  95             [want_coreaudio=$withval])
  96 AC_ARG_WITH([tests],
  97             [AS_HELP_STRING([--without-tests],
  98                             [do not build test suit])],
  99             [want_tests=$withval])
 100 AC_ARG_WITH([gtk-osx],
 101             [AS_HELP_STRING([--with-gtk-osx],
 102                             [use native GTK+ (OS X only)])],
 103             [want_gtkosx=$withval])
 104
 105 AC_MSG_CHECKING([for a known target platform])
 106 case "$host" in
 107 *empeg* )
 108   AC_MSG_RESULT([empeg car stereo])
 109   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
 110   # work around broken toolchain
 111   AC_CHECK_LIB([gpg-error], [gpg_strerror])
 112   AC_CHECK_LIB([pthread], [pthread_create])
 113   want_server=no
 114   want_cgi=no
 115  ;;
 116 *linux* | *Linux* )
 117   AC_MSG_RESULT([Linux])
 118   AC_DEFINE_UNQUOTED([PATH_PROC_MOUNTS],["/proc/mounts"],[path to kernel mount list])
 119   ;;
 120 *-apple-darwin* )
 121   AC_MSG_RESULT([Mac OS X])
 122   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
 123   # so we'll just turn off the warning.
 124   CC="$CC -Wno-deprecated-declarations"
 125   if test $want_coreaudio = yes; then
 126     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
 127   fi
 128   browser=open
 129   AC_MSG_CHECKING([Mac OS X target version])
 130   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 131   # behaviour.  But we provide a command line option to override it and
 132   # we default to wide support instead of supporting only the build platform.
 133   #
 134   # Currently if you ask for 10.5 you will get a deprecation warning
 135   # when building the CoreAudio support code.  For the time being the
 136   # answer to this is "don't do that then".  If a good reason to ask
 137   # for a 10.5 deployment target emerges then this will be fixed.
 138   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 139     MACOSX_DEPLOYMENT_TARGET=10.0
 140   fi
 141   AC_ARG_WITH([deployment-target],
 142               [AS_HELP_STRING([--with-deployment-target=TARGET],
 143                               [set target OS X version])],
 144               [MACOSX_DEPLOYMENT_TARGET=$withval])
 145   # Convert to desired format
 146   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 147   minver="MAC_OS_X_VERSION_$underscored"
 148   AC_MSG_RESULT([$minver])
 149   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 150                      [define to minimum version of Mac OS X to support])
 151
 152   if test $want_gtkosx = no; then
 153     # Fink's GTK+ is hopelessly broken
 154     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 155     export PKG_CONFIG_PATH
 156   fi
 157
 158   ;;
 159 *-freebsd* )
 160   AC_MSG_RESULT([FreeBSD])
 161   # Ports install to /usr/local but the compiler stupidly doesn't look
 162   # there by default
 163   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 164   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 165   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 166   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 167     rjk_cv_libdb="none"
 168     for db in db43 db44 db45 db47 db48; do
 169       if test -e /usr/local/lib/$db; then
 170         rjk_cv_libdb=$db
 171         break
 172       fi
 173     done
 174   ])
 175   if test $rjk_cv_libdb != none; then
 176     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 177     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 178   fi
 179   # iconv needs bodging
 180   AC_SUBST(LIBICONV,[-liconv])
 181   ;;
 182 * )
 183   AC_MSG_RESULT([unknown, winging it])
 184   ;;
 185 esac
 186 AC_SUBST([COREAUDIO])
 187
 188 AC_ARG_WITH([browser],
 189             [AS_HELP_STRING([--with-browser=BROWSER],
 190                             [use BROWSER to display HTML])],
 191             [browser=$withval])
 192
 193 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 194   rjk_cv_browser=UNKNOWN
 195   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 196     if type $candidate >/dev/null 2>&1; then
 197       rjk_cv_browser="$candidate"
 198       break
 199     fi
 200   done
 201 ])
 202 if test -z "$browser"; then
 203   browser="$rjk_cv_browser"
 204 fi
 205 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 206
 207 # Figure out what version of sox is installed
 208 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 209   rjk_cv_soxver=UNKNOWN
 210   if sox --version > /dev/null 2>&1; then
 211     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 212   else
 213     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 214   fi
 215 ])
 216
 217 # Decide what command line options to use
 218 #
 219 # sox version   endian     bits       deployed
 220 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 221 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 222 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 223 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 224
 225 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 226   case $rjk_cv_soxver in
 227   [[0-9]].* | 1[[0123]].* )
 228     rjk_cv_soxgen=0
 229     ;;
 230   * )
 231     rjk_cv_soxgen=1
 232     ;;
 233   esac
 234 ])
 235 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 236                    [default sox generation])
 237
 238 AC_ARG_WITH([server],
 239             [AS_HELP_STRING([--without-server],
 240                             [do not build server])],
 241             [want_server=$withval])
 242 AC_ARG_WITH([cgi],
 243             [AS_HELP_STRING([--without-cgi],
 244                             [do not build CGI])],
 245             [want_cgi=$withval])
 246 AC_ARG_WITH([gtk],
 247             [AS_HELP_STRING([--without-gtk],
 248                             [do not build GTK+ client])],
 249             [want_gtk=$withval])
 250 AC_ARG_WITH([python],
 251             [AS_HELP_STRING([--without-python],
 252                             [do not build Python support])],
 253             [want_python=$withval])
 254 AC_ARG_WITH([gstdecode],
 255             [AS_HELP_STRING([--with-gstdecode],
 256                             [require GStreamer-based decoder])],
 257             [want_gstdecode=$withval])
 258
 259 if test $want_server = no; then
 260   want_cgi=no
 261   want_gstdecode=no
 262 fi
 263
 264 #
 265 # OS          Document Root                  CGI directory
 266 # ==          =============                  =============
 267 # Debian      /var/www                       /usr/lib/cgi-bin
 268 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 269 # Red Hat     /var/www/html                  /var/www/cgi-bin
 270 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 271 # Slackware   /var/www/htdocs                (unknown)
 272 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 273 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 274 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 275 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 276 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 277 # Apache      /usr/local/apache/htdocs       (none)
 278 #
 279 # Sources:
 280 #   http://wiki.linuxquestions.org/wiki/Apache
 281 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 282 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 283 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 284 #   http://httpd.apache.org/docs/
 285 #
 286 if test $want_cgi = yes; then
 287   if test -z "$httpdir"; then
 288     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 289       rjk_cv_httpdir="/usr/local/apache/htdocs"
 290       for dir in /var/www/html \
 291                  /var/www/htdocs \
 292                  /var/www/localhost/htdocs \
 293                  /var/www \
 294                  /home/httpd/html \
 295                  /srv/www/html \
 296                  /usr/local/www/data \
 297                  /usr/local/www/*/data \
 298                  /Library/WebServer/Documents \
 299                  /usr/local/apache/htdocs; do
 300         if test -d "$dir"; then
 301           rjk_cv_httpdir="$dir"
 302         fi
 303       done
 304     ])
 305     httpdir="$rjk_cv_httpdir"
 306   fi
 307   if test ! -z "$cgidir"; then
 308     # This is a bit harsh but should stop any disasters
 309     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 310   fi
 311   if test -z "$cgiexecdir"; then
 312     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 313       rjk_cv_cgiexecdir="/usr/lib/cgi-bin"
 314       for dir in /usr/lib/cgi-bin \
 315                  /Library/WebServer/CGI-Executables \
 316                  /srv/www/cgi-bin \
 317                  /var/www/cgi-bin \
 318                  /home/httpd/cgi-bin \
 319                  /var/www/localhost/cgi-bin \
 320                  /usr/local/lib/cgi-bin \
 321                  /usr/local/www/cgi-bin \
 322                  /usr/local/www/*/cgi-bin; do
 323         if test -d "$dir"; then
 324           rjk_cv_cgiexecdir="$dir"
 325           break
 326         fi
 327       done
 328     ])
 329     cgiexecdir="$rjk_cv_cgiexecdir"
 330   fi
 331 fi
 332 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 333 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 334 if test -z "$pkghttpdir"; then
 335   pkghttpdir='$(httpdir)/disorder'
 336 fi
 337 AC_SUBST([pkghttpdir])
 338
 339 if test -z "$dochtmldir"; then
 340   dochtmldir='$(docdir)/html'
 341 fi
 342 AC_SUBST([dochtmldir])
 343
 344 subdirs="scripts common lib"
 345 if test $want_tests = yes; then
 346   subdirs="${subdirs} libtests"
 347 fi
 348 subdirs="${subdirs} clients doc examples debian"
 349
 350 if test $want_server = yes; then
 351   subdirs="${subdirs} server plugins sounds"
 352 fi
 353 if test $want_cgi = yes; then
 354   subdirs="${subdirs} cgi templates images"
 355 fi
 356 if test $want_gtk = yes; then
 357   subdirs="${subdirs} disobedience"
 358   if test $want_server = no; then
 359     subdirs="${subdirs} images"
 360   fi
 361 fi
 362 if test $want_tests = yes && test $want_python = yes; then
 363   AM_PATH_PYTHON([2.5])
 364   subdirs="${subdirs} python tests"
 365 fi
 366 AC_SUBST([subdirs])
 367
 368 # libtool config
 369 AC_LIBTOOL_DLOPEN
 370 AC_DISABLE_STATIC
 371
 372 AC_PROG_LIBTOOL
 373
 374 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 375   rjk_cv_gnused="not found"
 376   for candidate in sed gsed; do
 377     if $candidate --version >/dev/null 2>&1; then
 378       rjk_cv_gnused=$candidate
 379     fi
 380   done
 381 ])
 382 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 383 if test "$GNUSED" = "not found"; then
 384   AC_MSG_ERROR([GNU sed is required to build this program])
 385 fi
 386 AC_SUBST([GNUSED])
 387
 388 AC_CHECK_PROGS([GROG],[grog])
 389 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 390
 391 missing_libraries=""
 392 missing_headers=""
 393 missing_functions=""
 394
 395 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 396
 397 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 398
 399 # Macs might have libraries under fink's root
 400 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 401 if test "x$FINK" != xnone; then
 402   # Find Fink prefix
 403   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 404     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 405   ])
 406   # Add include and link paths
 407   finkdir="${rjk_cv_finkprefix}"
 408   finkbindir="${rjk_cv_finkprefix}/bin"
 409   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
 410   if test $want_server = yes; then
 411     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
 412   fi
 413   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 414   # Distinguish 32- and 64-bit fink
 415   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
 416     odata=`otool -v -h $finkbindir/dpkg`
 417     case "$odata" in
 418     *X86_64* )
 419       rjk_cv_finkbits=64
 420       ;;
 421     *I386* )
 422       rjk_cv_finkbits=32
 423       ;;
 424     * )
 425       rjk_cv_finkbits=unknown
 426       ;;
 427     esac
 428   ])
 429   # Match Fink so we can use its libraries
 430   case $rjk_cv_finkbits in
 431   32 | 64 )
 432     CC="$CC -m$rjk_cv_finkbits"
 433     ;;
 434   esac
 435 else
 436   finkbindir=""
 437 fi
 438 AC_SUBST([finkdir])
 439 AC_SUBST([finkbindir])
 440
 441 # Checks for packages.
 442 case $want_gstdecode in
 443   yes | whatever)
 444     PKG_CHECK_MODULES([GSTREAMER], [gstreamer-0.10],
 445         [have_gstreamer=yes], [have_gstreamer=no])
 446     PKG_CHECK_MODULES([GSTREAMER_PLUGINS_BASE],
 447         [gstreamer-plugins-base-0.10],
 448         [have_gst_plugins_base=yes], [have_gst_plugins_base=no])
 449     ;;
 450 esac
 451 case $want_gstdecode,$have_gstreamer,$have_gst_plugins_base in
 452   whatever,yes,yes | yes,yes,yes) want_gstdecode=yes ;;
 453   whatever,*) want_gstdecode=no ;;
 454   yes,*)
 455     case $have_gstreamer in
 456       no) missing_libraries="$missing_libraries gstreamer-0.10" ;;
 457     esac
 458     case $have_gst_plugins_base in
 459       no) missing_libraries="$missing_libraries gstreamer-plugins-base-0.10" ;;
 460     esac
 461 esac
 462
 463 mdw_SAVE_CFLAGS=$CFLAGS
 464 mdw_SAVE_LIBS=$LIBS
 465 CFLAGS="$CFLAGS $GSTREAMER_CFLAGS $GSTREAMER_PLUGINS_BASE_CFLAGS"
 466 LIBS="$LIBS \
 467         $GSTREAMER_LIBS $GSTREAMER_PLUGINS_BASE_LIBS
 468         -lgstaudio-0.10 -lgstapp-0.10"
 469 AC_CHECK_FUNCS([gst_audio_info_from_caps])
 470 CFLAGS=$mdw_SAVE_CFLAGS
 471 LIBS=$mdw_SAVE_LIBS
 472
 473 # Checks for libraries.
 474 # We save up a list of missing libraries that we can't do without
 475 # and report them all at once.
 476 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 477             [missing_libraries="$missing_libraries libgc"])
 478 mdw_SAVE_LIBS=$LIBS
 479 LIBS="$LIBS $LIBGC"
 480 AC_CHECK_FUNCS(GC_get_all_interior_pointers)
 481 LIBS=$mdw_SAVE_LIBS
 482 AC_CHECK_LIB(gcrypt, gcry_md_open,
 483              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 484             [missing_libraries="$missing_libraries libgcrypt"])
 485 AC_CHECK_LIB(pcre, pcre_compile,
 486              [AC_SUBST(LIBPCRE,[-lpcre])],
 487              [missing_libraries="$missing_libraries libpcre"])
 488 if test $want_alsa = yes; then
 489   AC_CHECK_LIB([asound], [snd_pcm_open],
 490                [AC_SUBST(LIBASOUND,[-lasound])])
 491 fi
 492 if test $want_pulseaudio = yes; then
 493   PKG_CHECK_MODULES([PULSEAUDIO],[libpulse],
 494                     [AC_DEFINE([HAVE_PULSEAUDIO],[1],[define to 1 for PulseAudio support])],
 495                     [missing_libraries="$missing_libraries libpulse"])
 496   PKG_CHECK_MODULES([PULSEAUDIO_SIMPLE],[libpulse-simple],,
 497                     [missing_libraries="$missing_libraries libpulse-simple"])
 498 fi
 499 AC_CHECK_LIB([samplerate],[src_new],
 500              [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
 501 if test $want_server = yes; then
 502   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 503                [AC_SUBST(LIBDB,[-ldb])],
 504                [missing_libraries="$missing_libraries libdb"])
 505   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 506                [:],
 507                [missing_libraries="$missing_libraries libvorbis"])
 508   AC_CHECK_LIB(vorbisfile, ov_open,
 509                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 510                [missing_libraries="$missing_libraries libvorbisfile"],
 511                [-lvorbis])
 512   AC_CHECK_LIB(mad, mad_stream_init,
 513                [AC_SUBST(LIBMAD,[-lmad])],
 514                [missing_libraries="$missing_libraries libmad"])
 515   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 516                [AC_SUBST(LIBFLAC,[-lFLAC])],
 517                [missing_libraries="$missing_libraries libFLAC"])
 518 fi
 519 AC_CHECK_LIB([pthread], [pthread_create],
 520              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 521              [missing_libraries="$missing_libraries libpthread"])
 522
 523 if test $want_gtk = yes; then
 524   if test $want_gtkosx = yes; then
 525     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
 526     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
 527     GTK_LIBS="-framework Gtk -framework GLib"
 528   else
 529     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 530     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 531   fi
 532 fi
 533
 534 # Some platforms have iconv already
 535 AC_CHECK_FUNC(iconv_open, [:],
 536               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 537                             [AC_SUBST(LIBICONV,[-liconv])],
 538                             [missing_functions="$missing_functions iconv_open"])])
 539 AC_CHECK_FUNC([gethostbyname],[:],[
 540   AC_CHECK_LIB(nsl,gethostbyname,
 541                [AC_SUBST(LIBNSL,[-lnsl])],
 542                [missing_functions="$missing_functions gethostbyname"])])
 543 AC_CHECK_FUNC([socket],[:],[
 544   AC_CHECK_LIB(socket,socket,
 545                [AC_SUBST(LIBSOCKET,[-lsocket])],
 546                [missing_functions="$missing_functions socket"])])
 547 AC_CHECK_FUNC([dlopen],[:],[
 548   AC_CHECK_LIB(dl,dlopen,
 549                [AC_SUBST(LIBDL,[-ldl])],
 550                [missing_functions="$missing_functions dlopen"])])
 551
 552 if test ! -z "$missing_libraries"; then
 553   AC_MSG_ERROR([missing libraries:$missing_libraries])
 554 fi
 555
 556 # Checks for header files.
 557 RJK_FIND_GC_H
 558 if test $want_oss = yes; then
 559   AC_CHECK_HEADERS([sys/soundcard.h])
 560 fi
 561 if test $want_alsa = yes; then
 562   AC_CHECK_HEADERS([alsa/asoundlib.h])
 563 fi
 564 if test $want_coreaudio = yes; then
 565   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 566 fi
 567 AC_CHECK_HEADERS([inttypes.h sys/time.h sys/socket.h netinet/in.h \
 568                   arpa/inet.h sys/un.h netdb.h pcre.h pwd.h langinfo.h])
 569 # We don't bother checking very standard stuff
 570 # Compilation will fail if any of these headers are missing, so we
 571 # check for them here and fail early.
 572 if test $want_server = yes; then
 573   AC_CHECK_HEADERS([db.h],[:],[
 574     missing_headers="$missing_headers $ac_header"
 575   ])
 576 fi
 577 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 578                  getopt.h iconv.h langinfo.h \
 579                  pcre.h sys/ioctl.h \
 580                  syslog.h unistd.h],[:],[
 581   missing_headers="$missing_headers $ac_header"
 582 ])
 583 AC_CHECK_HEADERS([samplerate.h])
 584
 585 if test ! -z "$missing_headers"; then
 586   AC_MSG_ERROR([missing headers:$missing_headers])
 587 fi
 588
 589 # We require that libpcre support UTF-8
 590 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 591
 592 # Checks for typedefs, structures, and compiler characteristics.
 593 AC_C_CONST
 594 AC_TYPE_SIZE_T
 595 AC_C_INLINE
 596 AC_C_BIGENDIAN
 597 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 598 #include <netinet/in.h>])
 599
 600 # Figure out how we'll check for devices being mounted and unmounted
 601 AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
 602   if test -e /etc/mtab; then
 603     rjk_cv_mtab=/etc/mtab
 604   else
 605     rjk_cv_mtab=none
 606   fi
 607 ])
 608 if test $rjk_cv_mtab != none; then
 609   AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
 610 fi
 611
 612 # enable -Werror when we check for certain characteristics:
 613
 614 old_CFLAGS="${CFLAGS}"
 615 CFLAGS="${CFLAGS} $gcc_werror"
 616 AC_CHECK_TYPES([long long,uint32_t,uint16_t,uint8_t,intmax_t,uintmax_t])
 617 CFLAGS="${old_CFLAGS}"
 618
 619 # gcrypt maintainers keep changing everything.  Design your interface
 620 # first, then implement it once, rather than getting it wrong three or
 621 # four times and shipping between each attempt.
 622 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 623                [rjk_cv_gcrypt_hash_handle],[
 624   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 625 #include <gcrypt.h>
 626 ],
 627                [gcry_md_hd_t h;])],
 628                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 629     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 630 #include <gcrypt.h>
 631 ],
 632                  [GcryMDHd h;])],
 633                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 634                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 635 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 636                    [libgcrypt hash handle type])
 637
 638 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 639                [rjk_cv_have_gcry_error_t],[
 640   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 641 #include <gcrypt.h>
 642 ],
 643                  [gcry_error_t e;])],
 644                  [rjk_cv_have_gcry_error_t=yes],
 645                  [rjk_cv_have_gcry_error_t=no])])
 646 if test $rjk_cv_have_gcry_error_t = yes; then
 647   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 648 fi
 649
 650 # Checks for functions
 651 if test $ac_cv_type_long_long = yes; then
 652   AC_CHECK_FUNCS([atoll strtoll],[:],[
 653     missing_functions="$missing_functions $ac_func"
 654   ])
 655   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 656   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 657                  [rjk_cv_strtoll_declared],[
 658     AC_EGREP_HEADER([strtoll], [stdlib.h],
 659                     [rjk_cv_strtoll_declared=yes],
 660                     [rjk_cv_strtoll_declared=no])])
 661   if test $rjk_cv_strtoll_declared = yes; then
 662     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 663   fi
 664   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 665                  [rjk_cv_atoll_declared],[
 666     AC_EGREP_HEADER([atoll], [stdlib.h],
 667                     [rjk_cv_atoll_declared=yes],
 668                     [rjk_cv_atoll_declared=no])])
 669   if test $rjk_cv_atoll_declared = yes; then
 670     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 671   fi
 672 fi
 673 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 674   missing_functions="$missing_functions $ac_func"
 675 ])
 676 # fsync will do if fdatasync not available
 677 AC_CHECK_FUNCS([fdatasync],[:],[
 678   AC_CHECK_FUNCS([fsync],
 679                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 680                  [missing_functions="$missing_functions fdatasync"])])
 681 if test ! -z "$missing_functions"; then
 682   AC_MSG_ERROR([missing functions:$missing_functions])
 683 fi
 684 # dlsym will do if dlfunc not available
 685 AC_CHECK_FUNCS([dlfunc],[:],[
 686   AC_DEFINE([dlfunc],[dlsym],[define dlfunc to dlsym if not available])
 687 ])
 688 if test ! -z "$missing_functions"; then
 689   AC_MSG_ERROR([missing functions:$missing_functions])
 690 fi
 691
 692 # Functions we can take or leave
 693 AC_CHECK_FUNCS([fls getfsstat closesocket])
 694
 695 if test $want_server = yes; then
 696   # <db.h> had better be version 3 or later
 697   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 698     AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 699                        #include <db.h>
 700                        #ifndef DB_VERSION_MAJOR
 701                        # error cannot determine db version
 702                        #endif
 703                        #if DB_VERSION_MAJOR < 4
 704                        # error inadequate db version
 705                        #endif
 706                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 707                        # error inadequate db version
 708                        #endif
 709                       ],[])],
 710                       [rjk_cv_db_version=ok],
 711                       [rjk_cv_db_version=inadequate])
 712     if test $rjk_cv_db_version = ok; then
 713       AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 714                          #include <db.h>
 715                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 716                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 717                          #endif
 718                         ],[])],
 719                         [rjk_cv_db_version=ok],
 720                         [rjk_cv_db_version=toxic])
 721     fi
 722   ])
 723   case $rjk_cv_db_version in
 724   ok )
 725     ;;
 726   inadequate )
 727     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 728     ;;
 729   toxic )
 730     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 731     ;;
 732   esac
 733 fi
 734
 735 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 736 if test $want_gtk = yes; then
 737   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 738 fi
 739 AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
 740 AM_CONDITIONAL([GSTDECODE], [test x$want_gstdecode = xyes])
 741
 742 # Some GCC invocations warn for converting function pointers to void *.
 743 # This is fair enough, as it's technically forbidden, but we use dlsym()
 744 # which can pretty much only exist if object and function pointers are
 745 # interconvertable.  So we disable -Werror if need be.
 746 if test ! -z "$gcc_werror" && test "$ac_cv_func_dlfunc" != yes; then
 747   CFLAGS="${CFLAGS} $gcc_werror"
 748   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 749                  [rjk_cv_function_pointer_cast],[
 750     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 751   void somefunction(void);],
 752                       [(void *)somefunction])],
 753                       [rjk_cv_function_pointer_cast=yes],
 754                       [rjk_cv_function_pointer_cast=no])])
 755   if test $rjk_cv_function_pointer_cast = no; then
 756     gcc_werror=""
 757   fi
 758   CFLAGS="${old_CFLAGS}"
 759 fi
 760
 761 if test "x$GCC" = xyes; then
 762   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 763   # by default.
 764   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 765     AC_TRY_COMPILE([#include <limits.h>],[
 766       long long n = LLONG_MAX;
 767     ],[rjk_cv_cstd=default],[
 768       old_CC="$CC"
 769       CC="${CC} -std=gnu99"
 770       AC_TRY_COMPILE([#include <limits.h>],[
 771         long long n = LLONG_MAX;
 772       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 773       CC="$old_CC"
 774     ])
 775   ])
 776   case $rjk_cv_cstd in
 777   default | unknown )
 778     ;;
 779   * )
 780     CC="${CC} -std=${rjk_cv_cstd}"
 781     ;;
 782   esac
 783
 784   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 785   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 786     old_CC="$CC"
 787     if test $GCC = yes; then
 788       CC="$CC -Wall -Werror"
 789     fi
 790     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 791       static int x(char *f) {
 792        return *f;
 793       }
 794       int z(const char *g) {
 795         return x((char *)g);
 796       }],[])],
 797       [rjk_cv_pr29478=no],
 798       [rjk_cv_pr29478=yes]
 799     )
 800     CC="$old_CC"
 801   ])
 802   if test $rjk_cv_pr29478 = yes; then
 803     gcc_werror=''
 804   fi
 805
 806   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
 807                  [rjk_cv_gcc44_stupidity],[
 808     old_CC="$CC"
 809     if test $GCC = yes; then
 810       CC="$CC -Wreturn-type -Werror"
 811     fi
 812     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
 813       static void *threadfn(void) {
 814         for(;;)
 815           ;
 816       }],[])],
 817       [rjk_cv_gcc44_stupidity=no],
 818       [rjk_cv_gcc44_stupidity=yes])
 819     CC="$old_CC"
 820   ])
 821   if test $rjk_cv_gcc44_stupidity = yes; then
 822     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
 823   fi
 824
 825   # a reasonable default set of warnings
 826   CC="${CC} -Wall -W -Wpointer-arith \
 827         -Wwrite-strings -Wmissing-prototypes \
 828         -Wmissing-declarations -Wnested-externs"
 829
 830   # Fix up GTK+ and GLib compiler flags
 831   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 832   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 833
 834   if test "$gcc_werror" != ''; then
 835     # GCC 2.95 doesn't know to ignore warnings from system headers
 836     AC_CACHE_CHECK([whether -Werror is usable],
 837                     rjk_cv_werror, [
 838       save_CFLAGS="${CFLAGS}"
 839       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 840       AC_TRY_COMPILE([#if WITH_GTK
 841  #include <gtk/gtk.h>
 842 #endif
 843
 844 struct s { int a, b; };
 845 const struct s sv = { .a = 1 };],
 846                      [],
 847                      [rjk_cv_werror=yes],
 848                      [rjk_cv_werror=no])
 849       CFLAGS="${save_CFLAGS}"
 850     ])
 851     if test $rjk_cv_werror = no; then
 852       gcc_werror=''
 853     fi
 854   fi
 855   CC="${CC} $gcc_werror"
 856
 857   # for older GCCs that don't know %ju (etc)
 858   AC_CACHE_CHECK([whether -Wno-format is required],
 859                  rjk_cv_noformat,
 860                  AC_TRY_COMPILE([#include <stdio.h>
 861 #include <stdint.h>
 862 ],
 863                                 [printf("%ju", (uintmax_t)0);],
 864                                 [rjk_cv_noformat=no],
 865                                 [rjk_cv_noformat=yes]))
 866   if test $rjk_cv_noformat = yes; then
 867     CC="${CC} -Wno-format"
 868   fi
 869
 870   AC_CACHE_CHECK([whether -Wshadow is OK],
 871                  rjk_cv_shadow,
 872                  oldCC="${CC}"
 873                  CC="${CC} -Wshadow"
 874                  [AC_TRY_COMPILE([
 875 #include <unistd.h>
 876 #include <vorbis/vorbisfile.h>
 877 ],
 878                                 [],
 879                                 [rjk_cv_shadow=yes],
 880                                 [rjk_cv_shadow=no])
 881                  CC="${oldCC}"])
 882   if test $rjk_cv_shadow = yes; then
 883     CC="${CC} -Wshadow"
 884   fi
 885 fi
 886
 887 RJK_GCOV
 888
 889 AH_BOTTOM([#ifdef __GNUC__
 890 # define attribute(x) __attribute__(x)
 891 #else
 892 # define attribute(x)
 893 #endif])
 894
 895 AC_CONFIG_FILES([Makefile
 896                  images/Makefile
 897                  scripts/Makefile
 898                  common/Makefile
 899                  lib/Makefile
 900                  server/Makefile
 901                  cgi/Makefile
 902                  clients/Makefile
 903                  disobedience/Makefile
 904                  disobedience/manual/Makefile
 905                  doc/Makefile
 906                  templates/Makefile
 907                  plugins/Makefile
 908                  debian/Makefile
 909                  sounds/Makefile
 910                  python/Makefile
 911                  examples/Makefile
 912                  libtests/Makefile
 913                  tests/Makefile])
 914 AC_OUTPUT
 915
 916 if test $GCC = yes && test "$gcc_werror" = ''; then
 917   AC_MSG_WARN([building without -Werror])
 918 fi
 919 if test $want_python = no; then
 920   AC_MSG_WARN([cannot run the test suit without Python])
 921 fi
 922 if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
 923   AC_MSG_WARN([libsamplerate will be required in a future version])
 924 fi
 925
 926 # Local Variables:
 927 # indent-tabs-mode:nil
 928 # End: