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) 2004-2013 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], [richard+disorder@sfere.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_cgi=yes
  37
  38 # APIs we want
  39 want_alsa=yes
  40 want_oss=yes
  41 want_coreaudio=yes
  42
  43 # By default we don't want gtk-osx.  But if you ask for --with-gtk-osx...
  44 #
  45 # Disobedience can be built to a native OS X application.  There are some
  46 # caveats:
  47 #  - you will still need Fink (or something) for other libraries
  48 #  - if you wanted an application bundle you are out of luck
  49 #  - the menu bar is still in the main window (not at the top of the screen)
  50 #
  51 # So it's still rather rough and ready.  But it does work...
  52 #
  53 # See:
  54 #   http://www.gtk-osx.org/
  55 #   http://live.gnome.org/GTK%2B/OSX/Framework
  56 want_gtkosx=no
  57
  58 # Checks for programs.
  59 AC_PROG_CC
  60 AM_PROG_CC_C_O
  61 AC_PROG_AWK
  62 AC_SET_MAKE
  63 if test "x$GCC" = xyes; then
  64   gcc_werror=-Werror
  65   case "$CC" in
  66   *-std=* )
  67     ;;
  68   * )
  69     CC="${CC} -std=gnu99"
  70     ;;
  71   esac
  72 else
  73   AC_MSG_ERROR([GNU C is required to build this program])
  74   gcc_werror=""
  75 fi
  76
  77 AC_ARG_WITH([alsa],
  78             [AS_HELP_STRING([--without-alsa],
  79                             [do not build with ALSA support])],
  80             [want_alsa=$withval])
  81 AC_ARG_WITH([oss],
  82             [AS_HELP_STRING([--without-oss],
  83                             [do not build with OSS support])],
  84             [want_oss=$withval])
  85 AC_ARG_WITH([coreaudio],
  86             [AS_HELP_STRING([--without-coreaudio],
  87                             [do not build with Core Audio support])],
  88             [want_coreaudio=$withval])
  89 AC_ARG_WITH([tests],
  90             [AS_HELP_STRING([--without-tests],
  91                             [do not build test suit])],
  92             [want_tests=$withval])
  93 AC_ARG_WITH([gtk-osx],
  94             [AS_HELP_STRING([--with-gtk-osx],
  95                             [use native GTK+ (OS X only)])],
  96             [want_gtkosx=$withval])
  97
  98 AC_MSG_CHECKING([for a known target platform])
  99 case "$host" in
 100 *empeg* )
 101   AC_MSG_RESULT([empeg car stereo])
 102   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
 103   # work around broken toolchain
 104   AC_CHECK_LIB([gpg-error], [gpg_strerror])
 105   AC_CHECK_LIB([pthread], [pthread_create])
 106   want_server=no
 107   want_cgi=no
 108  ;;
 109 *linux* | *Linux* )
 110   AC_MSG_RESULT([Linux])
 111   AC_DEFINE_UNQUOTED([PATH_PROC_MOUNTS],["/proc/mounts"],[path to kernel mount list])
 112   ;;
 113 *-apple-darwin* )
 114   AC_MSG_RESULT([Mac OS X])
 115   # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
 116   # so we'll just turn off the warning.
 117   CC="$CC -Wno-deprecated-declarations"
 118   if test $want_coreaudio = yes; then
 119     COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
 120   fi
 121   browser=open
 122   AC_MSG_CHECKING([Mac OS X target version])
 123   # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
 124   # behaviour.  But we provide a command line option to override it and
 125   # we default to wide support instead of supporting only the build platform.
 126   #
 127   # Currently if you ask for 10.5 you will get a deprecation warning
 128   # when building the CoreAudio support code.  For the time being the
 129   # answer to this is "don't do that then".  If a good reason to ask
 130   # for a 10.5 deployment target emerges then this will be fixed.
 131   if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
 132     MACOSX_DEPLOYMENT_TARGET=10.0
 133   fi
 134   AC_ARG_WITH([deployment-target],
 135               [AS_HELP_STRING([--with-deployment-target=TARGET],
 136                               [set target OS X version])],
 137               [MACOSX_DEPLOYMENT_TARGET=$withval])
 138   # Convert to desired format
 139   underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
 140   minver="MAC_OS_X_VERSION_$underscored"
 141   AC_MSG_RESULT([$minver])
 142   AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
 143                      [define to minimum version of Mac OS X to support])
 144
 145   if test $want_gtkosx = no; then
 146     # Fink's GTK+ is hopelessly broken
 147     PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
 148     export PKG_CONFIG_PATH
 149   fi
 150
 151   ;;
 152 *-freebsd* )
 153   AC_MSG_RESULT([FreeBSD])
 154   # Ports install to /usr/local but the compiler stupidly doesn't look
 155   # there by default
 156   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
 157   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
 158   # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
 159   AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
 160     rjk_cv_libdb="none"
 161     for db in db43 db44 db45 db47; do
 162       if test -e /usr/local/lib/$db; then
 163         rjk_cv_libdb=$db
 164         break
 165       fi
 166     done
 167   ])
 168   if test $rjk_cv_libdb != none; then
 169     LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
 170     CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
 171   fi
 172   ;;
 173 * )
 174   AC_MSG_RESULT([unknown, winging it])
 175   ;;
 176 esac
 177 AC_SUBST([COREAUDIO])
 178
 179 AC_ARG_WITH([browser],
 180             [AS_HELP_STRING([--with-browser=BROWSER],
 181                             [use BROWSER to display HTML])],
 182             [browser=$withval])
 183
 184 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
 185   rjk_cv_browser=UNKNOWN
 186   for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
 187     if type $candidate >/dev/null 2>&1; then
 188       rjk_cv_browser="$candidate"
 189       break
 190     fi
 191   done
 192 ])
 193 if test -z "$browser"; then
 194   browser="$rjk_cv_browser"
 195 fi
 196 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
 197
 198 # Figure out what version of sox is installed
 199 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 200   rjk_cv_soxver=UNKNOWN
 201   if sox --version > /dev/null 2>&1; then
 202     rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 203   else
 204     rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
 205   fi
 206 ])
 207
 208 # Decide what command line options to use
 209 #
 210 # sox version   endian     bits       deployed
 211 # 12.17.9       -x         -[bwld]    debian etch, ubuntu dapper
 212 # 14.0.0        -x/-[BL]   -[bwld]    ubuntu hardy
 213 # 14.0.1        -x/-[BL]   -[1248]    debian lenny
 214 # 14.2.0        -x/-[BL]   -[1248]    debian sid (at 2008-12)
 215
 216 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
 217   case $rjk_cv_soxver in
 218   [[0-9]].* | 1[[0123]].* )
 219     rjk_cv_soxgen=0
 220     ;;
 221   * )
 222     rjk_cv_soxgen=1
 223     ;;
 224   esac
 225 ])
 226 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
 227                    [default sox generation])
 228
 229 AC_ARG_WITH([server],
 230             [AS_HELP_STRING([--without-server],
 231                             [do not build server])],
 232             [want_server=$withval])
 233 AC_ARG_WITH([cgi],
 234             [AS_HELP_STRING([--without-cgi],
 235                             [do not build CGI])],
 236             [want_cgi=$withval])
 237 AC_ARG_WITH([gtk],
 238             [AS_HELP_STRING([--without-gtk],
 239                             [do not build GTK+ client])],
 240             [want_gtk=$withval])
 241 AC_ARG_WITH([python],
 242             [AS_HELP_STRING([--without-python],
 243                             [do not build Python support])],
 244             [want_python=$withval])
 245
 246 if test $want_server = no; then
 247   want_cgi=no
 248 fi
 249
 250 #
 251 # OS          Document Root                  CGI directory
 252 # ==          =============                  =============
 253 # Debian      /var/www                       /usr/lib/cgi-bin
 254 # Ubuntu      /var/www                       /usr/lib/cgi-bin
 255 # Red Hat     /var/www/html                  /var/www/cgi-bin
 256 #      or:    /home/httpd/html/              /home/httpd/cgi-bin
 257 # Slackware   /var/www/htdocs                (unknown)
 258 # SuSE        /srv/www/html                  /srv/www/cgi-bin
 259 # Gentoo      /var/www/localhost/htdocs      /var/www/localhost/cgi-bin/
 260 # FreeBSD     /usr/local/www/data            /usr/local/www/cgi-bin
 261 #      or:    /usr/local/www/???/data        /usr/local/www/???/cgi-bin
 262 # OS X        /Library/WebServer/Documents   /Library/WebServer/CGI-Executables
 263 # Apache      /usr/local/apache/htdocs       (none)
 264 #
 265 # Sources:
 266 #   http://wiki.linuxquestions.org/wiki/Apache
 267 #   http://mapserver.gis.umn.edu/docs/howto/suse-linux
 268 #   http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
 269 #   http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
 270 #   http://httpd.apache.org/docs/
 271 #
 272 if test $want_cgi = yes; then
 273   if test -z "$httpdir"; then
 274     AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
 275       rjk_cv_httpdir="not found"
 276       for dir in /var/www/html \
 277                  /var/www/htdocs \
 278                  /var/www/localhost/htdocs \
 279                  /var/www \
 280                  /home/httpd/html \
 281                  /srv/www/html \
 282                  /usr/local/www/data \
 283                  /usr/local/www/*/data \
 284                  /Library/WebServer/Documents \
 285                  /usr/local/apache/htdocs; do
 286         if test -d "$dir"; then
 287           rjk_cv_httpdir="$dir"
 288         fi
 289       done
 290     ])
 291     if test "$rjk_cv_httpdir" = "not found"; then
 292       AC_MSG_ERROR([cannot identify httpd documentroot.  Set httpdir on configure command line])
 293     fi
 294     httpdir="$rjk_cv_httpdir"
 295   fi
 296   if test ! -z "$cgidir"; then
 297     # This is a bit harsh but should stop any disasters
 298     AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
 299   fi
 300   if test -z "$cgiexecdir"; then
 301     AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
 302       rjk_cv_cgiexecdir="not found"
 303       for dir in /usr/lib/cgi-bin \
 304                  /Library/WebServer/CGI-Executables \
 305                  /srv/www/cgi-bin \
 306                  /var/www/cgi-bin \
 307                  /home/httpd/cgi-bin \
 308                  /var/www/localhost/cgi-bin \
 309                  /usr/local/lib/cgi-bin \
 310                  /usr/local/www/cgi-bin \
 311                  /usr/local/www/*/cgi-bin; do
 312         if test -d "$dir"; then
 313           rjk_cv_cgiexecdir="$dir"
 314           break
 315         fi
 316       done
 317     ])
 318     if test "$rjk_cv_cgiexecdir" = "not found"; then
 319       AC_MSG_ERROR([cannot identify CGI install directory.  Set cgiexecdir on configure command line])
 320     fi
 321     cgiexecdir="$rjk_cv_cgiexecdir"
 322   fi
 323 fi
 324 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
 325 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
 326 if test -z "$pkghttpdir"; then
 327   pkghttpdir='$(httpdir)/disorder'
 328 fi
 329 AC_SUBST([pkghttpdir])
 330
 331 if test -z "$dochtmldir"; then
 332   dochtmldir='$(docdir)/html'
 333 fi
 334 AC_SUBST([dochtmldir])
 335
 336 subdirs="scripts lib"
 337 if test $want_tests = yes; then
 338   subdirs="${subdirs} libtests"
 339 fi
 340 subdirs="${subdirs} clients doc examples debian"
 341
 342 if test $want_server = yes; then
 343   subdirs="${subdirs} server plugins sounds"
 344 fi
 345 if test $want_cgi = yes; then
 346   subdirs="${subdirs} cgi templates images"
 347 fi
 348 if test $want_gtk = yes; then
 349   subdirs="${subdirs} disobedience"
 350   if test $want_server = no; then
 351     subdirs="${subdirs} images"
 352   fi
 353 fi
 354 if test $want_tests = yes && test $want_python = yes; then
 355   AM_PATH_PYTHON([2.5])
 356   subdirs="${subdirs} python tests"
 357 fi
 358 AC_SUBST([subdirs])
 359
 360 # libtool config
 361 AC_LIBTOOL_DLOPEN
 362 AC_DISABLE_STATIC
 363
 364 AC_PROG_LIBTOOL
 365
 366 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
 367   rjk_cv_gnused="not found"
 368   for candidate in sed gsed; do
 369     if $candidate --version >/dev/null 2>&1; then
 370       rjk_cv_gnused=$candidate
 371     fi
 372   done
 373 ])
 374 GNUSED="${GNUSED:-$rjk_cv_gnused}"
 375 if test "$GNUSED" = "not found"; then
 376   AC_MSG_ERROR([GNU sed is required to build this program])
 377 fi
 378 AC_SUBST([GNUSED])
 379
 380 AC_CHECK_PROGS([GROG],[grog])
 381 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
 382
 383 missing_libraries=""
 384 missing_headers=""
 385 missing_functions=""
 386
 387 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 388
 389 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
 390
 391 # Macs might have libraries under fink's root
 392 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 393 if test "x$FINK" != xnone; then
 394   # Find Fink prefix
 395   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 396     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 397   ])
 398   # Add include and link paths
 399   finkdir="${rjk_cv_finkprefix}"
 400   finkbindir="${rjk_cv_finkprefix}/bin"
 401   CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
 402   if test $want_server = yes; then
 403     CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
 404   fi
 405   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 406   # Distinguish 32- and 64-bit fink
 407   AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
 408     odata=`otool -v -h $finkbindir/dpkg`
 409     case "$odata" in
 410     *X86_64* )
 411       rjk_cv_finkbits=64
 412       ;;
 413     *I386* )
 414       rjk_cv_finkbits=32
 415       ;;
 416     * )
 417       rjk_cv_finkbits=unknown
 418       ;;
 419     esac
 420   ])
 421   # Match Fink so we can use its libraries
 422   case $rjk_cv_finkbits in
 423   32 | 64 )
 424     CC="$CC -m$rjk_cv_finkbits"
 425     ;;
 426   esac
 427 else
 428   finkbindir=""
 429 fi
 430 AC_SUBST([finkdir])
 431 AC_SUBST([finkbindir])
 432
 433 # Checks for libraries.
 434 # We save up a list of missing libraries that we can't do without
 435 # and report them all at once.
 436 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 437             [missing_libraries="$missing_libraries libgc"])
 438 AC_CHECK_LIB(gcrypt, gcry_md_open,
 439              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 440             [missing_libraries="$missing_libraries libgcrypt"])
 441 AC_CHECK_LIB(pcre, pcre_compile,
 442              [AC_SUBST(LIBPCRE,[-lpcre])],
 443              [missing_libraries="$missing_libraries libpcre"])
 444 if test $want_alsa = yes; then
 445   AC_CHECK_LIB([asound], [snd_pcm_open],
 446                [AC_SUBST(LIBASOUND,[-lasound])])
 447 fi
 448 AC_CHECK_LIB([samplerate],[src_new],
 449              [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
 450 if test $want_server = yes; then
 451   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 452                [AC_SUBST(LIBDB,[-ldb])],
 453                [missing_libraries="$missing_libraries libdb"])
 454   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 455                [:],
 456                [missing_libraries="$missing_libraries libvorbis"])
 457   AC_CHECK_LIB(vorbisfile, ov_open,
 458                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 459                [missing_libraries="$missing_libraries libvorbisfile"],
 460                [-lvorbis])
 461   AC_CHECK_LIB(mad, mad_stream_init,
 462                [AC_SUBST(LIBMAD,[-lmad])],
 463                [missing_libraries="$missing_libraries libmad"])
 464   AC_CHECK_LIB([ao], [ao_initialize],
 465                [AC_SUBST(LIBAO,[-lao])],
 466                [missing_libraries="$missing_libraries libao"])
 467   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 468                [AC_SUBST(LIBFLAC,[-lFLAC])],
 469                [missing_libraries="$missing_libraries libFLAC"])
 470 fi
 471 AC_CHECK_LIB([pthread], [pthread_create],
 472              [AC_SUBST(LIBPTHREAD,[-lpthread])],
 473              [missing_libraries="$missing_libraries libpthread"])
 474
 475 if test $want_gtk = yes; then
 476   if test $want_gtkosx = yes; then
 477     GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
 478     GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
 479     GTK_LIBS="-framework Gtk -framework GLib"
 480   else
 481     AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 482     AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 483   fi
 484 fi
 485
 486 # Some platforms have iconv already
 487 AC_CHECK_FUNC(iconv_open, [:],
 488               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 489                             [AC_SUBST(LIBICONV,[-liconv])],
 490                             [missing_functions="$missing_functions iconv_open"])])
 491 AC_CHECK_FUNC([gethostbyname],[:],[
 492   AC_CHECK_LIB(nsl,gethostbyname,
 493                [AC_SUBST(LIBNSL,[-lnsl])],
 494                [missing_functions="$missing_functions gethostbyname"])])
 495 AC_CHECK_FUNC([socket],[:],[
 496   AC_CHECK_LIB(socket,socket,
 497                [AC_SUBST(LIBSOCKET,[-lsocket])],
 498                [missing_functions="$missing_functions socket"])])
 499 AC_CHECK_FUNC([dlopen],[:],[
 500   AC_CHECK_LIB(dl,dlopen,
 501                [AC_SUBST(LIBDL,[-ldl])],
 502                [missing_functions="$missing_functions dlopen"])])
 503
 504 if test ! -z "$missing_libraries"; then
 505   AC_MSG_ERROR([missing libraries:$missing_libraries])
 506 fi
 507
 508 # Checks for header files.
 509 RJK_FIND_GC_H
 510 if test $want_oss = yes; then
 511   AC_CHECK_HEADERS([sys/soundcard.h])
 512 fi
 513 if test $want_alsa = yes; then
 514   AC_CHECK_HEADERS([alsa/asoundlib.h])
 515 fi
 516 if test $want_coreaudio = yes; then
 517   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 518 fi
 519 AC_CHECK_HEADERS([inttypes.h])
 520 # We don't bother checking very standard stuff
 521 # Compilation will fail if any of these headers are missing, so we
 522 # check for them here and fail early.
 523 if test $want_server = yes; then
 524   AC_CHECK_HEADERS([db.h],[:],[
 525     missing_headers="$missing_headers $ac_header"
 526   ])
 527 fi
 528 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 529                  getopt.h iconv.h langinfo.h \
 530                  pcre.h sys/ioctl.h \
 531                  syslog.h unistd.h],[:],[
 532   missing_headers="$missing_headers $ac_header"
 533 ])
 534 AC_CHECK_HEADERS([samplerate.h])
 535
 536 if test ! -z "$missing_headers"; then
 537   AC_MSG_ERROR([missing headers:$missing_headers])
 538 fi
 539
 540 # We require that libpcre support UTF-8
 541 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 542
 543 # Checks for typedefs, structures, and compiler characteristics.
 544 AC_C_CONST
 545 AC_TYPE_SIZE_T
 546 AC_C_INLINE
 547 AC_C_BIGENDIAN
 548 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 549 #include <netinet/in.h>])
 550
 551 # Figure out how we'll check for devices being mounted and unmounted
 552 AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
 553   if test -e /etc/mtab; then
 554     rjk_cv_mtab=/etc/mtab
 555   else
 556     rjk_cv_mtab=none
 557   fi
 558 ])
 559 if test $rjk_cv_mtab != none; then
 560   AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
 561 fi
 562
 563 # enable -Werror when we check for certain characteristics:
 564
 565 old_CFLAGS="${CFLAGS}"
 566 CFLAGS="${CFLAGS} $gcc_werror"
 567 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 568
 569 # Some GCC invocations warn for converting function pointers to void *.
 570 # This is fair enough, as it's technically forbidden, but we use dlsym()
 571 # which can pretty much only exist if object and function pointers are
 572 # interconvertable.  So we disable -Werror if need be.
 573 if test ! -z "$gcc_werror"; then
 574   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 575                  [rjk_cv_function_pointer_cast],[
 576     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 577   void somefunction(void);],
 578                       [(void *)somefunction])],
 579                       [rjk_cv_function_pointer_cast=yes],
 580                       [rjk_cv_function_pointer_cast=no])])
 581   if test $rjk_cv_function_pointer_cast = no; then
 582     gcc_werror=""
 583   fi
 584 fi
 585
 586 CFLAGS="${old_CFLAGS}"
 587
 588 # gcrypt maintainers keep changing everything.  Design your interface
 589 # first, then implement it once, rather than getting it wrong three or
 590 # four times and shipping between each attempt.
 591 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 592                [rjk_cv_gcrypt_hash_handle],[
 593   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 594 #include <gcrypt.h>
 595 ],
 596                [gcry_md_hd_t h;])],
 597                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 598     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 599 #include <gcrypt.h>
 600 ],
 601                  [GcryMDHd h;])],
 602                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 603                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 604 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 605                    [libgcrypt hash handle type])
 606
 607 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 608                [rjk_cv_have_gcry_error_t],[
 609   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 610 #include <gcrypt.h>
 611 ],
 612                  [gcry_error_t e;])],
 613                  [rjk_cv_have_gcry_error_t=yes],
 614                  [rjk_cv_have_gcry_error_t=no])])
 615 if test $rjk_cv_have_gcry_error_t = yes; then
 616   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 617 fi
 618
 619 # Checks for functions
 620 if test $ac_cv_type_long_long = yes; then
 621   AC_CHECK_FUNCS([atoll strtoll],[:],[
 622     missing_functions="$missing_functions $ac_func"
 623   ])
 624   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 625   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 626                  [rjk_cv_strtoll_declared],[
 627     AC_EGREP_HEADER([strtoll], [stdlib.h],
 628                     [rjk_cv_strtoll_declared=yes],
 629                     [rjk_cv_strtoll_declared=no])])
 630   if test $rjk_cv_strtoll_declared = yes; then
 631     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 632   fi
 633   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 634                  [rjk_cv_atoll_declared],[
 635     AC_EGREP_HEADER([atoll], [stdlib.h],
 636                     [rjk_cv_atoll_declared=yes],
 637                     [rjk_cv_atoll_declared=no])])
 638   if test $rjk_cv_atoll_declared = yes; then
 639     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 640   fi
 641 fi
 642 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
 643   missing_functions="$missing_functions $ac_func"
 644 ])
 645 # fsync will do if fdatasync not available
 646 AC_CHECK_FUNCS([fdatasync],[:],[
 647   AC_CHECK_FUNCS([fsync],
 648                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 649                  [missing_functions="$missing_functions fdatasync"])])
 650 if test ! -z "$missing_functions"; then
 651   AC_MSG_ERROR([missing functions:$missing_functions])
 652 fi
 653
 654 # Functions we can take or leave
 655 AC_CHECK_FUNCS([fls getfsstat])
 656
 657 if test $want_server = yes; then
 658   # <db.h> had better be version 3 or later
 659   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 660     AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 661                        #include <db.h>
 662                        #ifndef DB_VERSION_MAJOR
 663                        # error cannot determine db version
 664                        #endif
 665                        #if DB_VERSION_MAJOR < 4
 666                        # error inadequate db version
 667                        #endif
 668                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
 669                        # error inadequate db version
 670                        #endif
 671                       ],[])],
 672                       [rjk_cv_db_version=ok],
 673                       [rjk_cv_db_version=inadequate])
 674     if test $rjk_cv_db_version = ok; then
 675       AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
 676                          #include <db.h>
 677                          #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
 678                          # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
 679                          #endif
 680                         ],[])],
 681                         [rjk_cv_db_version=ok],
 682                         [rjk_cv_db_version=toxic])
 683     fi
 684   ])
 685   case $rjk_cv_db_version in
 686   ok )
 687     ;;
 688   inadequate )
 689     AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
 690     ;;
 691   toxic )
 692     AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
 693     ;;
 694   esac
 695 fi
 696
 697 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
 698 if test $want_gtk = yes; then
 699   AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
 700 fi
 701 AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
 702
 703 if test "x$GCC" = xyes; then
 704   # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
 705   # by default.
 706   AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
 707     AC_TRY_COMPILE([#include <limits.h>],[
 708       long long n = LLONG_MAX;
 709     ],[rjk_cv_cstd=default],[
 710       old_CC="$CC"
 711       CC="${CC} -std=gnu99"
 712       AC_TRY_COMPILE([#include <limits.h>],[
 713         long long n = LLONG_MAX;
 714       ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
 715       CC="$old_CC"
 716     ])
 717   ])
 718   case $rjk_cv_cstd in
 719   default | unknown )
 720     ;;
 721   * )
 722     CC="${CC} -std=${rjk_cv_cstd}"
 723     ;;
 724   esac
 725
 726   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
 727   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
 728     old_CC="$CC"
 729     if test $GCC = yes; then
 730       CC="$CC -Wall -Werror"
 731     fi
 732     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 733       static int x(char *f) {
 734        return *f;
 735       }
 736       int z(const char *g) {
 737         return x((char *)g);
 738       }],[])],
 739       [rjk_cv_pr29478=no],
 740       [rjk_cv_pr29478=yes]
 741     )
 742     CC="$old_CC"
 743   ])
 744   if test $rjk_cv_pr29478 = yes; then
 745     gcc_werror=''
 746   fi
 747
 748   AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
 749                  [rjk_cv_gcc44_stupidity],[
 750     old_CC="$CC"
 751     if test $GCC = yes; then
 752       CC="$CC -Wreturn-type -Werror"
 753     fi
 754     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
 755       static void *threadfn(void) {
 756         for(;;)
 757           ;
 758       }],[])],
 759       [rjk_cv_gcc44_stupidity=no],
 760       [rjk_cv_gcc44_stupidity=yes])
 761     CC="$old_CC"
 762   ])
 763   if test $rjk_cv_gcc44_stupidity = yes; then
 764     AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
 765   fi
 766
 767   # a reasonable default set of warnings
 768   CC="${CC} -Wall -W -Wpointer-arith \
 769         -Wwrite-strings -Wmissing-prototypes \
 770         -Wmissing-declarations -Wnested-externs"
 771
 772   # Fix up GTK+ and GLib compiler flags
 773   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 774   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 775
 776   if test "$gcc_werror" != ''; then
 777     # GCC 2.95 doesn't know to ignore warnings from system headers
 778     AC_CACHE_CHECK([whether -Werror is usable],
 779                     rjk_cv_werror, [
 780       save_CFLAGS="${CFLAGS}"
 781       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 782       AC_TRY_COMPILE([#if WITH_GTK
 783  #include <gtk/gtk.h>
 784 #endif
 785
 786 struct s { int a, b; };
 787 const struct s sv = { .a = 1 };],
 788                      [],
 789                      [rjk_cv_werror=yes],
 790                      [rjk_cv_werror=no])
 791       CFLAGS="${save_CFLAGS}"
 792     ])
 793     if test $rjk_cv_werror = no; then
 794       gcc_werror=''
 795     fi
 796   fi
 797   CC="${CC} $gcc_werror"
 798
 799   # for older GCCs that don't know %ju (etc)
 800   AC_CACHE_CHECK([whether -Wno-format is required],
 801                  rjk_cv_noformat,
 802                  AC_TRY_COMPILE([#include <stdio.h>
 803 #include <stdint.h>
 804 ],
 805                                 [printf("%ju", (uintmax_t)0);],
 806                                 [rjk_cv_noformat=no],
 807                                 [rjk_cv_noformat=yes]))
 808   if test $rjk_cv_noformat = yes; then
 809     CC="${CC} -Wno-format"
 810   fi
 811
 812   AC_CACHE_CHECK([whether -Wshadow is OK],
 813                  rjk_cv_shadow,
 814                  oldCC="${CC}"
 815                  CC="${CC} -Wshadow"
 816                  [AC_TRY_COMPILE([
 817 #include <unistd.h>
 818 #include <vorbis/vorbisfile.h>
 819 ],
 820                                 [],
 821                                 [rjk_cv_shadow=yes],
 822                                 [rjk_cv_shadow=no])
 823                  CC="${oldCC}"])
 824   if test $rjk_cv_shadow = yes; then
 825     CC="${CC} -Wshadow"
 826   fi
 827 fi
 828
 829 RJK_GCOV
 830
 831 AH_BOTTOM([#ifdef __GNUC__
 832 # define attribute(x) __attribute__(x)
 833 #else
 834 # define attribute(x)
 835 #endif])
 836
 837 AC_CONFIG_FILES([Makefile
 838                  images/Makefile
 839                  scripts/Makefile
 840                  lib/Makefile
 841                  server/Makefile
 842                  cgi/Makefile
 843                  clients/Makefile
 844                  disobedience/Makefile
 845                  disobedience/manual/Makefile
 846                  doc/Makefile
 847                  templates/Makefile
 848                  plugins/Makefile
 849                  debian/Makefile
 850                  sounds/Makefile
 851                  python/Makefile
 852                  examples/Makefile
 853                  libtests/Makefile
 854                  tests/Makefile])
 855 AC_OUTPUT
 856
 857 if test $GCC = yes && test "$gcc_werror" = ''; then
 858   AC_MSG_WARN([building without -Werror])
 859 fi
 860 if test $want_python = no; then
 861   AC_MSG_WARN([cannot run the test suit without Python])
 862 fi
 863 if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
 864   AC_MSG_WARN([libsamplerate will be required in a future version])
 865 fi
 866
 867 # Local Variables:
 868 # indent-tabs-mode:nil
 869 # End: