chiark - git - mdw - disorder/blob - configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #
   3 # This file is part of DisOrder.
   4 # Copyright (C) 2004-2009 Richard Kettlewell
   5 # Portions copyright (C) 2007 Ross Younger
   6 #
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 AC_INIT([disorder], [4.3+], [richard+disorder@sfere.greenend.org.uk])
  22 AC_CONFIG_AUX_DIR([config.aux])
  23 AM_INIT_AUTOMAKE(disorder, [4.3+])
  24 AC_CONFIG_SRCDIR([server/disorderd.c])
  25 AM_CONFIG_HEADER([config.h])
  26
  27 # Find host type
  28 AC_CANONICAL_HOST
  29
  30 # What we want to build
  31 want_gtk=yes
  32 want_python=yes
  33 want_tests=yes
  34 want_server=yes
  35 want_cgi=yes
  36
  37 # APIs we want
  38 want_alsa=yes
  39 want_oss=yes
  40 want_coreaudio=yes
  41
  42 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
  43 #
  44 # Disobedience can be built to a native OS X application.  There are some
  45 # caveats:
  46 #  - you will still need Fink (or something) for other libraries
  47 #  - if you wanted an application bundle you are out of luck
  48 #  - the menu bar is still in the main window (not at the top of the screen)
  49 #
  50 # So it's still rather rough and ready.  But it does work...
  51 #
  52 # See:
  53 #   http://www.gtk-osx.org/
  54 #   http://live.gnome.org/GTK%2B/OSX/Framework
  55 want_gtkosx=no
  56
  57 # Checks for programs.
  58 AC_PROG_CC
  59 AM_PROG_CC_C_O
  60 AC_PROG_AWK
  61 AC_SET_MAKE
  62 if test "x$GCC" = xyes; then
  63   gcc_werror=-Werror
  64   case "$CC" in
  65   *-std=* )
  66     ;;
  67   * )
  68     CC="${CC} -std=gnu99"
  69     ;;
  70   esac
  71 else
  72   AC_MSG_ERROR([GNU C is required to build this program])
  73   gcc_werror=""
  74 fi
  75
  76 AC_ARG_WITH([alsa],
  77             [AS_HELP_STRING([--without-alsa],
  78                             [do not build with ALSA support])],
  79             [want_alsa=$withval])
  80 AC_ARG_WITH([oss],
  81             [AS_HELP_STRING([--without-oss],
  82                             [do not build with OSS support])],
  83             [want_oss=$withval])
  84 AC_ARG_WITH([coreaudio],
  85             [AS_HELP_STRING([--without-coreaudio],
  86                             [do not build with Core Audio support])],
  87             [want_coreaudio=$withval])
  88 AC_ARG_WITH([tests],
  89             [AS_HELP_STRING([--without-tests],
  90                             [do not build test suit])],
  91             [want_tests=$withval])
  92 AC_ARG_WITH([gtk-osx],
  93             [AS_HELP_STRING([--with-gtk-osx],
  94                             [use native GTK+ (OS X only)])],
  95             [want_gtkosx=$withval])
  96 AC_ARG_WITH([bits],
  97             [AS_HELP_STRING([--with-bits=64],
  98                             [request a 64-bit build (OS X only)])],
  99             [BITS=$withval])
 100
 101 AC_MSG_CHECKING([for a known target platform])
 102 case "$host" in
 103 *empeg* )
 104   AC_MSG_RESULT([empeg car stereo])
 105   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
 106   # work around broken toolchain
 107   AC_CHECK_LIB([gpg-error], [gpg_strerror])
 108   AC_CHECK_LIB([pthread], [pthread_create])
 109   want_server=no
 110   want_cgi=no
 111  ;;
 112 *linux* | *Linux* )
 113   AC_MSG_RESULT([Linux])
 114   ;;
 115 *-apple-darwin* )
 116   AC_MSG_RESULT([Mac OS X])
 117   AC_MSG_CHECKING([bitness])
 118   if test "x$BITS" = "x"; then
 119     BITS=32
 120   fi
 121   AC_MSG_RESULT([$BITS])
 122   CC="$CC -m$BITS"
 123   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
 124   # so we'll just turn off the warning.
 125   CC="$CC -Wno-deprecated-declarations"
 126   if test $want_coreaudio = yes; then
 127     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
 128   fi
 129   browser=open
 130   AC_MSG_CHECKING([Mac OS X target version])
 131   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 132   # behaviour.  But we provide a command line option to override it and
 133   # we default to wide support instead of supporting only the build platform.
 134   #
 135   # Currently if you ask for 10.5 you will get a deprecation warning
 136   # when building the CoreAudio support code.  For the time being the
 137   # answer to this is "don't do that then".  If a good reason to ask
 138   # for a 10.5 deployment target emerges then this will be fixed.
 139   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 140     MACOSX_DEPLOYMENT_TARGET=10.0
 141   fi
 142   AC_ARG_WITH([deployment-target],
 143               [AS_HELP_STRING([--with-deployment-target=TARGET],
 144                               [set target OS X version])],
 145               [MACOSX_DEPLOYMENT_TARGET=$withval])
 146   # Convert to desired format
 147   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 148   minver="MAC_OS_X_VERSION_$underscored"
 149   AC_MSG_RESULT([$minver])
 150   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 151                      [define to minimum version of Mac OS X to support])
 152
 153   if test $want_gtkosx = no; then
 154     # Fink's GTK+ is hopelessly broken
 155     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 156     export PKG_CONFIG_PATH
 157   fi
 158
 159   ;;
 160 *-freebsd* )
 161   AC_MSG_RESULT([FreeBSD])
 162   # Ports install to /usr/local but the compiler stupidly doesn't look
 163   # there by default
 164   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 165   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 166   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 167   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 168     rjk_cv_libdb="none"
 169     for db in db43 db44 db45 db46; do
 170       if test -e /usr/local/lib/$db; then
 171         rjk_cv_libdb=$db
 172         break
 173       fi
 174     done
 175   ])
 176   if test $rjk_cv_libdb != none; then
 177     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 178     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 179   fi
 180   ;;
 181 * )
 182   AC_MSG_RESULT([unknown, winging it])
 183   ;;
 184 esac
 185 AC_SUBST([COREAUDIO])
 186
 187 AC_ARG_WITH([browser],
 188             [AS_HELP_STRING([--with-browser=BROWSER],
 189                             [use BROWSER to display HTML])],
 190             [browser=$withval])
 191
 192 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 193   rjk_cv_browser=UNKNOWN
 194   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 195     if type $candidate >/dev/null 2>&1; then
 196       rjk_cv_browser="$candidate"
 197       break
 198     fi
 199   done
 200 ])
 201 if test -z "$browser"; then
 202   browser="$rjk_cv_browser"
 203 fi
 204 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 205
 206 # Figure out what version of sox is installed
 207 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 208   rjk_cv_soxver=UNKNOWN
 209   if sox --version > /dev/null 2>&1; then
 210     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 211   else
 212     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 213   fi
 214 ])
 215
 216 # Decide what command line options to use
 217 #
 218 # sox version   endian     bits       deployed
 219 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 220 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 221 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 222 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 223
 224 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 225   case $rjk_cv_soxver in
 226   [[0-9]].* | 1[[0123]].* )
 227     rjk_cv_soxgen=0
 228     ;;
 229   * )
 230     rjk_cv_soxgen=1
 231     ;;
 232   esac
 233 ])
 234 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 235                    [default sox generation])
 236
 237 AC_ARG_WITH([server],
 238             [AS_HELP_STRING([--without-server],
 239                             [do not build server])],
 240             [want_server=$withval])
 241 AC_ARG_WITH([cgi],
 242             [AS_HELP_STRING([--without-cgi],
 243                             [do not build CGI])],
 244             [want_cgi=$withval])
 245 AC_ARG_WITH([gtk],
 246             [AS_HELP_STRING([--without-gtk],
 247                             [do not build GTK+ client])],
 248             [want_gtk=$withval])
 249 AC_ARG_WITH([python],
 250             [AS_HELP_STRING([--without-python],
 251                             [do not build Python support])],
 252             [want_python=$withval])
 253
 254 if test $want_server = no; then
 255   want_cgi=no
 256 fi
 257
 258 #
 259 # OS          Document Root                  CGI directory
 260 # ==          =============                  =============
 261 # Debian      /var/www                       /usr/lib/cgi-bin
 262 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 263 # Red Hat     /var/www/html                  /var/www/cgi-bin
 264 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 265 # Slackware   /var/www/htdocs                (unknown)
 266 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 267 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 268 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 269 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 270 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 271 # Apache      /usr/local/apache/htdocs       (none)
 272 #
 273 # Sources:
 274 #   http://wiki.linuxquestions.org/wiki/Apache
 275 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 276 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 277 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 278 #   http://httpd.apache.org/docs/
 279 #
 280 if test $want_cgi = yes; then
 281   if test -z "$httpdir"; then
 282     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 283       rjk_cv_httpdir="not found"
 284       for dir in /var/www/html \
 285                  /var/www/htdocs \
 286                  /var/www/localhost/htdocs \
 287                  /var/www \
 288                  /home/httpd/html \
 289                  /srv/www/html \
 290                  /usr/local/www/data \
 291                  /usr/local/www/*/data \
 292                  /Library/WebServer/Documents \
 293                  /usr/local/apache/htdocs; do
 294         if test -d "$dir"; then
 295           rjk_cv_httpdir="$dir"
 296         fi
 297       done
 298     ])
 299     if test "$rjk_cv_cgiexecdir" = "not found"; then
 300       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 301     fi
 302     httpdir="$rjk_cv_httpdir"
 303   fi
 304   if test ! -z "$cgidir"; then
 305     # This is a bit harsh but should stop any disasters
 306     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 307   fi
 308   if test -z "$cgiexecdir"; then
 309     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 310       rjk_cv_cgiexecdir="not found"
 311       for dir in /usr/lib/cgi-bin \
 312                  /Library/WebServer/CGI-Executables \
 313                  /srv/www/cgi-bin \
 314                  /var/www/cgi-bin \
 315                  /home/httpd/cgi-bin \
 316                  /var/www/localhost/cgi-bin \
 317                  /usr/local/lib/cgi-bin \
 318                  /usr/local/www/cgi-bin \
 319                  /usr/local/www/*/cgi-bin; do
 320         if test -d "$dir"; then
 321           rjk_cv_cgiexecdir="$dir"
 322           break
 323         fi
 324       done
 325     ])
 326     if test "$rjk_cv_cgiexecdir" = "not found"; then
 327       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 328     fi
 329     cgiexecdir="$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 subdirs="scripts lib"
 340 if test $want_tests = yes; then
 341   subdirs="${subdirs} libtests"
 342 fi
 343 subdirs="${subdirs} clients doc examples debian"
 344
 345 if test $want_server = yes; then
 346   subdirs="${subdirs} server plugins driver sounds"
 347 fi
 348 if test $want_cgi = yes; then
 349   subdirs="${subdirs} cgi templates images"
 350 fi
 351 if test $want_gtk = yes; then
 352   subdirs="${subdirs} disobedience"
 353   if test $want_server = no; then
 354     subdirs="${subdirs} images"
 355   fi
 356 fi
 357 if test $want_tests = yes && test $want_python = yes; then
 358   AM_PATH_PYTHON([2.5])
 359   subdirs="${subdirs} python tests"
 360 fi
 361 AC_SUBST([subdirs])
 362
 363 # libtool config
 364 AC_LIBTOOL_DLOPEN
 365 AC_DISABLE_STATIC
 366
 367 AC_PROG_LIBTOOL
 368
 369 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 370   rjk_cv_gnused="not found"
 371   for candidate in sed gsed; do
 372     if $candidate --version >/dev/null 2>&1; then
 373       rjk_cv_gnused=$candidate
 374     fi
 375   done
 376 ])
 377 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 378 if test "$GNUSED" = "not found"; then
 379   AC_MSG_ERROR([GNU sed is required to build this program])
 380 fi
 381 AC_SUBST([GNUSED])
 382
 383 AC_CHECK_PROGS([GROG],[grog])
 384 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 385
 386 missing_libraries=""
 387 missing_headers=""
 388 missing_functions=""
 389
 390 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 391
 392 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 393
 394 # Macs might have libraries under fink's root
 395 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 396 if test "x$FINK" != xnone; then
 397   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 398     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 399   ])
 400   finkdir="${rjk_cv_finkprefix}"
 401   finkbindir="${rjk_cv_finkprefix}/bin"
 402   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
 403   if test $want_server = yes; then
 404     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
 405   fi
 406   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 407 else
 408   finkbindir=""
 409 fi
 410 AC_SUBST([finkdir])
 411 AC_SUBST([finkbindir])
 412
 413 # Checks for libraries.
 414 # We save up a list of missing libraries that we can't do without
 415 # and report them all at once.
 416 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 417             [missing_libraries="$missing_libraries libgc"])
 418 AC_CHECK_LIB(gcrypt, gcry_md_open,
 419              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 420             [missing_libraries="$missing_libraries libgcrypt"])
 421 AC_CHECK_LIB(pcre, pcre_compile,
 422              [AC_SUBST(LIBPCRE,[-lpcre])],
 423              [missing_libraries="$missing_libraries libpcre"])
 424 if test $want_alsa = yes; then
 425   AC_CHECK_LIB([asound], [snd_pcm_open],
 426                [AC_SUBST(LIBASOUND,[-lasound])])
 427 fi
 428 if test $want_server = yes; then
 429   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 430                [AC_SUBST(LIBDB,[-ldb])],
 431                [missing_libraries="$missing_libraries libdb"])
 432   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 433                [:],
 434                [missing_libraries="$missing_libraries libvorbis"])
 435   AC_CHECK_LIB(vorbisfile, ov_open,
 436                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 437                [missing_libraries="$missing_libraries libvorbisfile"],
 438                [-lvorbis])
 439   AC_CHECK_LIB(mad, mad_stream_init,
 440                [AC_SUBST(LIBMAD,[-lmad])],
 441                [missing_libraries="$missing_libraries libmad"])
 442   AC_CHECK_LIB([ao], [ao_initialize],
 443                [AC_SUBST(LIBAO,[-lao])],
 444                [missing_libraries="$missing_libraries libao"])
 445   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 446                [AC_SUBST(LIBFLAC,[-lFLAC])],
 447                [missing_libraries="$missing_libraries libFLAC"])
 448 fi
 449 AC_CHECK_LIB([pthread], [pthread_create],
 450              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 451              [missing_libraries="$missing_libraries libpthread"])
 452
 453 if test $want_gtk = yes; then
 454   if test $want_gtkosx = yes; then
 455     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
 456     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
 457     GTK_LIBS="-framework Gtk -framework GLib"
 458   else
 459     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 460     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 461   fi
 462 fi
 463
 464 # Some platforms have iconv already
 465 AC_CHECK_FUNC(iconv_open, [:],
 466               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 467                             [AC_SUBST(LIBICONV,[-liconv])],
 468                             [missing_functions="$missing_functions iconv_open"])])
 469 AC_CHECK_FUNC([gethostbyname],[:],[
 470   AC_CHECK_LIB(nsl,gethostbyname,
 471                [AC_SUBST(LIBNSL,[-lnsl])],
 472                [missing_functions="$missing_functions gethostbyname"])])
 473 AC_CHECK_FUNC([socket],[:],[
 474   AC_CHECK_LIB(socket,socket,
 475                [AC_SUBST(LIBSOCKET,[-lsocket])],
 476                [missing_functions="$missing_functions socket"])])
 477 AC_CHECK_FUNC([dlopen],[:],[
 478   AC_CHECK_LIB(dl,dlopen,
 479                [AC_SUBST(LIBDL,[-ldl])],
 480                [missing_functions="$missing_functions dlopen"])])
 481
 482 if test ! -z "$missing_libraries"; then
 483   AC_MSG_ERROR([missing libraries:$missing_libraries])
 484 fi
 485
 486 # Checks for header files.
 487 RJK_FIND_GC_H
 488 if test $want_oss = yes; then
 489   AC_CHECK_HEADERS([sys/soundcard.h])
 490 fi
 491 if test $want_alsa = yes; then
 492   AC_CHECK_HEADERS([alsa/asoundlib.h])
 493 fi
 494 if test $want_coreaudio = yes; then
 495   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 496 fi
 497 AC_CHECK_HEADERS([inttypes.h])
 498 # We don't bother checking very standard stuff
 499 # Compilation will fail if any of these headers are missing, so we
 500 # check for them here and fail early.
 501 if test $want_server = yes; then
 502   AC_CHECK_HEADERS([db.h],[:],[
 503     missing_headers="$missing_headers $ac_header"
 504   ])
 505   AC_CHECK_HEADERS([FLAC/file_decoder.h])
 506 fi
 507 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 508                  getopt.h iconv.h langinfo.h \
 509                  pcre.h sys/ioctl.h \
 510                  syslog.h unistd.h],[:],[
 511   missing_headers="$missing_headers $ac_header"
 512 ])
 513
 514 if test ! -z "$missing_headers"; then
 515   AC_MSG_ERROR([missing headers:$missing_headers])
 516 fi
 517
 518 # We require that libpcre support UTF-8
 519 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 520
 521 # Checks for typedefs, structures, and compiler characteristics.
 522 AC_C_CONST
 523 AC_TYPE_SIZE_T
 524 AC_C_INLINE
 525 AC_C_BIGENDIAN
 526 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 527 #include <netinet/in.h>])
 528
 529 # enable -Werror when we check for certain characteristics:
 530
 531 old_CFLAGS="${CFLAGS}"
 532 CFLAGS="${CFLAGS} $gcc_werror"
 533 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 534
 535 # Some GCC invocations warn for converting function pointers to void *.
 536 # This is fair enough, as it's technically forbidden, but we use dlsym()
 537 # which can pretty much only exist if object and function pointers are
 538 # interconvertable.  So we disable -Werror if need be.
 539 if test ! -z "$gcc_werror"; then
 540   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 541                  [rjk_cv_function_pointer_cast],[
 542     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 543   void somefunction(void);],
 544                       [(void *)somefunction])],
 545                       [rjk_cv_function_pointer_cast=yes],
 546                       [rjk_cv_function_pointer_cast=no])])
 547   if test $rjk_cv_function_pointer_cast = no; then
 548     gcc_werror=""
 549   fi
 550 fi
 551
 552 CFLAGS="${old_CFLAGS}"
 553
 554 # gcrypt maintainers keep changing everything.  Design your interface
 555 # first, then implement it once, rather than getting it wrong three or
 556 # four times and shipping between each attempt.
 557 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 558                [rjk_cv_gcrypt_hash_handle],[
 559   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 560 #include <gcrypt.h>
 561 ],
 562                [gcry_md_hd_t h;])],
 563                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 564     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 565 #include <gcrypt.h>
 566 ],
 567                  [GcryMDHd h;])],
 568                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 569                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 570 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 571                    [libgcrypt hash handle type])
 572
 573 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 574                [rjk_cv_have_gcry_error_t],[
 575   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 576 #include <gcrypt.h>
 577 ],
 578                  [gcry_error_t e;])],
 579                  [rjk_cv_have_gcry_error_t=yes],
 580                  [rjk_cv_have_gcry_error_t=no])])
 581 if test $rjk_cv_have_gcry_error_t = yes; then
 582   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 583 fi
 584
 585 # Checks for functions
 586 if test $ac_cv_type_long_long = yes; then
 587   AC_CHECK_FUNCS([atoll strtoll],[:],[
 588     missing_functions="$missing_functions $ac_func"
 589   ])
 590   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 591   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 592                  [rjk_cv_strtoll_declared],[
 593     AC_EGREP_HEADER([strtoll], [stdlib.h],
 594                     [rjk_cv_strtoll_declared=yes],
 595                     [rjk_cv_strtoll_declared=no])])
 596   if test $rjk_cv_strtoll_declared = yes; then
 597     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 598   fi
 599   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 600                  [rjk_cv_atoll_declared],[
 601     AC_EGREP_HEADER([atoll], [stdlib.h],
 602                     [rjk_cv_atoll_declared=yes],
 603                     [rjk_cv_atoll_declared=no])])
 604   if test $rjk_cv_atoll_declared = yes; then
 605     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 606   fi
 607 fi
 608 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 609   missing_functions="$missing_functions $ac_func"
 610 ])
 611 # fsync will do if fdatasync not available
 612 AC_CHECK_FUNCS([fdatasync],[:],[
 613   AC_CHECK_FUNCS([fsync],
 614                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 615                  [missing_functions="$missing_functions fdatasync"])])
 616 if test ! -z "$missing_functions"; then
 617   AC_MSG_ERROR([missing functions:$missing_functions])
 618 fi
 619
 620 # Functions we can take or leave
 621 AC_CHECK_FUNCS([fls])
 622
 623 if test $want_server = yes; then
 624   # <db.h> had better be version 3 or later
 625   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 626     AC_PREPROC_IFELSE([
 627                        #include <db.h>
 628                        #ifndef DB_VERSION_MAJOR
 629                        # error cannot determine db version
 630                        #endif
 631                        #if DB_VERSION_MAJOR < 4
 632                        # error inadequate db version
 633                        #endif
 634                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 635                        # error inadequate db version
 636                        #endif
 637                       ],
 638                       [rjk_cv_db_version=ok],
 639                       [rjk_cv_db_version=inadequate])
 640     if test $rjk_cv_db_version = ok; then
 641       AC_PREPROC_IFELSE([
 642                          #include <db.h>
 643                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 644                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 645                          #endif
 646                         ],
 647                         [rjk_cv_db_version=ok],
 648                         [rjk_cv_db_version=toxic])
 649     fi
 650   ])
 651   case $rjk_cv_db_version in
 652   ok )
 653     ;;
 654   inadequate )
 655     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 656     ;;
 657   toxic )
 658     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 659     ;;
 660   esac
 661 fi
 662
 663 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 664 if test $want_gtk = yes; then
 665   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 666 fi
 667
 668 if test "x$GCC" = xyes; then
 669   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 670   # by default.
 671   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 672     AC_TRY_COMPILE([#include <limits.h>],[
 673       long long n = LLONG_MAX;
 674     ],[rjk_cv_cstd=default],[
 675       old_CC="$CC"
 676       CC="${CC} -std=gnu99"
 677       AC_TRY_COMPILE([#include <limits.h>],[
 678         long long n = LLONG_MAX;
 679       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 680       CC="$old_CC"
 681     ])
 682   ])
 683   case $rjk_cv_cstd in
 684   default | unknown )
 685     ;;
 686   * )
 687     CC="${CC} -std=${rjk_cv_cstd}"
 688     ;;
 689   esac
 690
 691   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 692   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 693     old_CC="$CC"
 694     if test $GCC = yes; then
 695       CC="$CC -Wall -Werror"
 696     fi
 697     AC_COMPILE_IFELSE([
 698       static int x(char *f) {
 699        return *f;
 700       }
 701       int z(const char *g) {
 702         return x((char *)g);
 703       }],
 704       [rjk_cv_pr29478=no],
 705       [rjk_cv_pr29478=yes]
 706     )
 707     CC="$old_CC"
 708   ])
 709   if test $rjk_cv_pr29478 = yes; then
 710     gcc_werror=''
 711   fi
 712
 713   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
 714                  [rjk_cv_gcc44_stupidity],[
 715     old_CC="$CC"
 716     if test $GCC = yes; then
 717       CC="$CC -Wreturn-type -Werror"
 718     fi
 719     AC_COMPILE_IFELSE([
 720       static void *threadfn(void) {
 721         for(;;)
 722           ;
 723       }],
 724       [rjk_cv_gcc44_stupidity=no],
 725       [rjk_cv_gcc44_stupidity=yes])
 726     CC="$old_CC"
 727   ])
 728   if test $rjk_cv_gcc44_stupidity = yes; then
 729     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
 730   fi
 731
 732   # a reasonable default set of warnings
 733   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 734         -Wwrite-strings -Wmissing-prototypes \
 735         -Wmissing-declarations -Wnested-externs"
 736
 737   # Fix up GTK+ and GLib compiler flags
 738   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 739   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 740
 741   if test "$gcc_werror" != ''; then
 742     # GCC 2.95 doesn't know to ignore warnings from system headers
 743     AC_CACHE_CHECK([whether -Werror is usable],
 744                     rjk_cv_werror, [
 745       save_CFLAGS="${CFLAGS}"
 746       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 747       AC_TRY_COMPILE([#if WITH_GTK
 748  #include <gtk/gtk.h>
 749 #endif
 750
 751 struct s { int a, b; };
 752 const struct s sv = { .a = 1 };],
 753                      [],
 754                      [rjk_cv_werror=yes],
 755                      [rjk_cv_werror=no])
 756       CFLAGS="${save_CFLAGS}"
 757     ])
 758     if test $rjk_cv_werror = no; then
 759       gcc_werror=''
 760     fi
 761   fi
 762   CC="${CC} $gcc_werror"
 763
 764   # for older GCCs that don't know %ju (etc)
 765   AC_CACHE_CHECK([whether -Wno-format is required],
 766                  rjk_cv_noformat,
 767                  AC_TRY_COMPILE([#include <stdio.h>
 768 #include <stdint.h>
 769 ],
 770                                 [printf("%ju", (uintmax_t)0);],
 771                                 [rjk_cv_noformat=no],
 772                                 [rjk_cv_noformat=yes]))
 773   if test $rjk_cv_noformat = yes; then
 774     CC="${CC} -Wno-format"
 775   fi
 776
 777   AC_CACHE_CHECK([whether -Wshadow is OK],
 778                  rjk_cv_shadow,
 779                  oldCC="${CC}"
 780                  CC="${CC} -Wshadow"
 781                  [AC_TRY_COMPILE([
 782 #include <unistd.h>
 783 #include <vorbis/vorbisfile.h>
 784 ],
 785                                 [],
 786                                 [rjk_cv_shadow=yes],
 787                                 [rjk_cv_shadow=no])
 788                  CC="${oldCC}"])
 789   if test $rjk_cv_shadow = yes; then
 790     CC="${CC} -Wshadow"
 791   fi
 792 fi
 793
 794 RJK_GCOV
 795
 796 AH_BOTTOM([#ifdef __GNUC__
 797 # define attribute(x) __attribute__(x)
 798 #else
 799 # define attribute(x)
 800 #endif])
 801
 802 AC_CONFIG_FILES([Makefile
 803                  images/Makefile
 804                  scripts/Makefile
 805                  lib/Makefile
 806                  server/Makefile
 807                  cgi/Makefile
 808                  clients/Makefile
 809                  disobedience/Makefile
 810                  doc/Makefile
 811                  templates/Makefile
 812                  plugins/Makefile
 813                  driver/Makefile
 814                  debian/Makefile
 815                  sounds/Makefile
 816                  python/Makefile
 817                  examples/Makefile
 818                  libtests/Makefile
 819                  tests/Makefile])
 820 AC_OUTPUT
 821
 822 if test $GCC = yes && test "$gcc_werror" = ''; then
 823   AC_MSG_WARN([building without -Werror])
 824 fi
 825 if test $want_python = no; then
 826   AC_MSG_WARN([cannot run the test suit without Python])
 827 fi
 828
 829 # Local Variables:
 830 # indent-tabs-mode:nil
 831 # End: