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