configure.ac

   1 dnl Process this file with autogen.sh to produce a working configure
   2 dnl script.
   3
   4 AC_INIT
   5 AC_CONFIG_SRCDIR([src/Aircraft/aircraft.cxx])
   6
   7 dnl Require at least automake 2.52
   8 AC_PREREQ(2.52)
   9
  10 dnl Initialize the automake stuff
  11 dnl set the $host variable based on local machine/os
  12 AC_CANONICAL_TARGET
  13 AM_INIT_AUTOMAKE(FlightGear, 2.0.0-rc2)
  14
  15 dnl Checks for programs.
  16 AC_PROG_MAKE_SET
  17 AC_PROG_CC
  18 AC_PROG_CPP
  19 AC_PROG_CXX
  20 AC_PROG_RANLIB
  21 AC_PROG_INSTALL
  22 AC_PROG_LN_S
  23 AX_BOOST_BASE([1.37.0])
  24
  25 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
  26    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  27 fi
  28
  29 # specify the simgear location
  30 AC_ARG_WITH(simgear, [  --with-simgear=PREFIX   Specify the prefix path to SimGear])
  31
  32 if test "x$with_simgear" != "x" ; then
  33     echo "SimGear prefix path is $with_simgear"
  34     EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
  35     CXXFLAGS="$CXXFLAGS -I$with_simgear"
  36 fi
  37
  38 # specify the plib location
  39 AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
  40
  41 if test "x$with_plib" != "x" ; then
  42     echo "plib prefix is $with_plib"
  43     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
  44 fi
  45
  46 # specify the osg location
  47 AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
  48
  49 if test "x$with_osg" != "x" ; then
  50     echo "osg prefix is $with_osg"
  51     EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
  52 fi
  53
  54 # specify framework related locations for Mac OS X
  55 case "${host}" in
  56 *-apple-darwin*)
  57
  58     dnl Thank you Christian Bauer from SheepSaver
  59     dnl Modified by Tatsuhiro Nishioka for accepting a given framework path
  60     dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES, $3=FRAMEWORK_PATH) ; $3 is optional
  61     AC_DEFUN([AC_CHECK_FRAMEWORK], [
  62     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
  63     AC_CACHE_CHECK([whether compiler supports framework $1],
  64         ac_Framework, [
  65         saved_LIBS="$LIBS"
  66         FRAMEWORKS="$FRAMEWORKS -framework $1"
  67         if test "$3" = ""; then
  68             FRAMEWORKS="$FRAMEWORKS $ADD2LD"
  69         elif test "`echo $FRAMEWORKS | grep -- -F$3`" = ""; then
  70             FRAMEWORKS="$FRAMEWORKS -F$3"
  71             CXXFLAGS="$CXXFLAGS -F$3"
  72             CCFLAGS="$CCFLAGS -F$3"
  73             dnl This is needed for AC_TRY_LINK when a framework path is specified
  74             export DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH}:$3"
  75         fi
  76         AC_TRY_LINK(
  77         [$2], [],
  78         [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
  79         )
  80     ])
  81     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
  82         [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
  83     )
  84     AS_VAR_POPDEF([ac_Framework])dnl
  85     ])
  86
  87     # Mac OS X specific configure options
  88     AC_ARG_WITH(cocoa_framework, [  --with-cocoa-framework       Use the Cocoa rather than Carbon]])
  89     if test "x$with_cocoa_framework" != "x" ; then
  90         macAPI=Cocoa
  91         AC_MSG_NOTICE([Using Cocoa framework])
  92     else
  93         macAPI=Carbon
  94         AC_MSG_NOTICE([Using Carbon framework])
  95     fi
  96
  97     AC_ARG_WITH(osg_framework, [  --with-osg-framework=PREFIX       Specify the prefix path to osg frameworks [default=standard framework paths]])
  98     if test "x$with_osg_framework" != "x" ; then
  99         echo "osg prefix is $with_osg_framework"
 100         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
 101     fi
 102
 103     AC_ARG_WITH(plib_framework, [  --with-plib-framework=PREFIX       Specify the prefix path to PLIB framework [default=standard framework paths]])
 104     if test "x$with_plib_framework" != "x" ; then
 105         echo "plib prefix is $with_plib_framework"
 106         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_plib_framework"
 107     fi
 108
 109     AC_ARG_WITH(openal_framework, [ --with-openal-framework=PREFIX    Speicfy the prefix path to OpenAL.framework ])
 110     if test "x$with_openal_framework" != "x"; then
 111         echo "OpenAL framework prefix is $with_openal_framework"
 112     fi
 113
 114     ;;
 115 esac
 116
 117 dnl Determine an extra directories to add to include/lib search paths
 118 case "${host}" in
 119 *-apple-darwin* | *-*-mingw32*)
 120     echo no EXTRA_DIRS for $host
 121     ;;
 122
 123 *-*-cygwin*)
 124     if test -d /usr/local ; then
 125         EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
 126     fi
 127     ;;
 128
 129 *)
 130     if test -d /usr/X11R6 ; then
 131         EXTRA_DIR1="/usr/X11R6"
 132     fi
 133     if test -d /opt/X11R6 ; then
 134         EXTRA_DIR2="/opt/X11R6"
 135     fi
 136     EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local"
 137     ;;
 138
 139 esac
 140 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
 141
 142
 143 case "${host}" in
 144 *-*-irix*)
 145     if test "$CXX" = "CC"; then
 146         AR="CC -ar"
 147         ARFLAGS="-o"
 148         CXXFLAGS="$CXXFLAGS -c99 -I$with_simgear/include/simgear/compatibility"
 149         CFLAGS="$CFLAGS -c99"
 150     else
 151         AR="ar"
 152         ARFLAGS="cru"
 153     fi
 154     ;;
 155 *)
 156     AR="ar"
 157     ARFLAGS="cru"
 158     ;;
 159 esac
 160 AC_SUBST(AR)
 161 AC_SUBST(ARFLAGS)
 162
 163 dnl set logging; default value of with_logging=yes
 164 AC_ARG_WITH(logging, [  --with-logging          Include logging output (default)])
 165 if test "x$with_logging" = "xno" ; then
 166     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 167 fi
 168
 169 AC_ARG_ENABLE(sp_fdms, [  --enable-sp-fdms               Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
 170 if test "x$enable_sp_fdms" != "xno"; then
 171     AC_DEFINE([ENABLE_SP_FDM], 1, [Define to include special purpose FDMs])
 172 else
 173     AC_DEFINE([ENABLE_SP_FDM], 0, [Define to include special purpose FDMs])
 174 fi
 175 AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
 176
 177
 178 dnl EXPERIMENTAL generic event driven input device
 179 # defaults to no
 180 AC_ARG_WITH(eventinput, [  --with-eventinput       Include event driven input (EXPERIMENTAL) [default=no]], [], [with_eventinput=no])
 181 if test "x$with_eventinput" = "xyes"; then
 182     AC_DEFINE([WITH_EVENTINPUT], 1, [Define to enable generic event driven input device])
 183     case "${host}" in
 184     dnl OS specific sources for event driven input
 185     dnl Linux and Mac OS X are supported at this moment
 186     *-apple-darwin*)
 187         eventinput_EXTRA_OBJS="FGMacOSXEventInput.o"
 188         eventinput_INCUDES=""
 189         eventinput_LIBS=""
 190         ;;
 191     *linux*)
 192         dnl
 193         dnl FIXME: include paths for dbus are hard-coded at this moment.
 194         dnl FIXME: these must be found in configure
 195         dnl
 196         eventinput_EXTRA_OBJS="FGLinuxEventInput.o"
 197         eventinput_INCLUDES="-I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/lib/dbus-1.0/include"
 198         eventinput_LIBS="-ldbus-1 -lhal"
 199         ;;
 200     *)
 201         echo "Event driven input is not supported on ${host}."
 202         ;;
 203     esac
 204     AC_SUBST(eventinput_EXTRA_OBJS)
 205     AC_SUBST(eventinput_INCLUDES)
 206     AC_SUBST(eventinput_LIBS)
 207 fi
 208 AM_CONDITIONAL(WITH_EVENTINPUT, test "x$with_eventinput" = "xyes")
 209
 210 dnl Thread related checks
 211 # defaults to yes
 212 AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=yes]], [], [with_threads=yes])
 213 if test "x$with_threads" = "xyes"; then
 214     AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
 215     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
 216     CFLAGS="$CFLAGS -D_REENTRANT"
 217 fi
 218 AC_CHECK_HEADER(pthread.h)
 219 AM_CONDITIONAL(WITH_THREADS, test "x$with_threads" = "xyes")
 220
 221 dnl Used by JSBSim to conditionally compile in fgfs interface code
 222 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 223
 224 # Check for MS Windows environment
 225 AC_CHECK_HEADER(windows.h)
 226
 227 dnl Using AM_CONDITIONAL is a step out of the protected little
 228 dnl automake fold so it is potentially dangerous.  But, we are
 229 dnl beginning to run into cases where the standard checks are not
 230 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 231 dnl build a Makefile.in from a Makefile.am which lets us define custom
 232 dnl includes, compile alternative source files, etc.
 233
 234 dnl Check for external variables daylight and timezone.
 235 AC_EXT_DAYLIGHT
 236 if test "$have_daylight" = yes; then
 237     AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
 238 fi
 239
 240 AC_EXT_TIMEZONE
 241 if test "$have_timezone" = yes; then
 242     AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
 243 fi
 244
 245
 246 dnl add joystick support libraries
 247 dnl search for FreeBSD library
 248 AC_SEARCH_LIBS(hid_init, usbhid)
 249 joystick_LIBS="$LIBS"
 250 LIBS=""
 251
 252
 253 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
 254 dnl just assuming we have audio support on all platform.  We can
 255 dnl depend on plib to hide the details.
 256 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
 257
 258 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 259 dnl to use it if it is.
 260 case "${host}" in
 261 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 262     echo no fancy X11 check
 263     ;;
 264
 265 *)
 266     AC_PATH_XTRA
 267     ;;
 268
 269 esac
 270
 271 dnl Checks for libraries.
 272
 273 dnl Thread related checks
 274 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
 275 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 276   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 277     CXXFLAGS="-pthread $CXXFLAGS"
 278     CFLAGS="-pthread $CFLAGS"
 279   fi
 280 fi
 281
 282 thread_LIBS="$LIBS"
 283 LIBS=""
 284
 285 dnl search for network related libraries
 286 AC_SEARCH_LIBS(inet_addr, xnet)
 287 AC_SEARCH_LIBS(socket, socket)
 288 AC_SEARCH_LIBS(main, nsl)
 289
 290 network_LIBS="$LIBS"
 291 LIBS=""
 292
 293 dnl check for some default libraries
 294 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
 295 AC_SEARCH_LIBS(ceil, m)
 296 AC_SEARCH_LIBS(dlclose, dl)
 297 AC_SEARCH_LIBS(clock_gettime, rt)
 298
 299 base_LIBS="$LIBS"
 300
 301 dnl Check for SDL or glut if enabled.
 302 AC_ARG_ENABLE(osgviewer, [  --enable-osgviewer                  Configure to use osgViewer(default)], [enable_osgviewer="$enableval"])
 303 AC_ARG_ENABLE(sdl,  [  --enable-sdl                   Configure to use SDL], [enable_sdl="$enableval"])
 304 AC_ARG_ENABLE(glut, [  --enable-glut                  Configure to use GLUT], [enable_glut="$enableval"])
 305 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
 306 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
 307 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
 308    enable_osgviewer="yes"
 309 fi
 310 if test \( "x$enable_osgviewer" = "xyes" \
 311    -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
 312    -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
 313    echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
 314    echo " be supplied."
 315    exit
 316 fi
 317 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
 318
 319 AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug              Use OSG debug libraries], [enable_osgdebug="$enableval"])
 320
 321 dnl check for OpenGL related libraries
 322 case "${host}" in
 323 *-*-cygwin* | *-*-mingw32*)
 324     dnl CygWin under Windoze.
 325
 326     echo Win32 specific hacks...
 327     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 328     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 329
 330     if test "x$enable_sdl" = "xyes"; then
 331         AC_SEARCH_LIBS(SDL_Init, SDL)
 332     else
 333         LIBS="$LIBS -lglut32"
 334     fi
 335
 336     LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 337     joystick_LIBS="$joystick_LIBS -lwinmm"
 338
 339     dnl add -lwsock32 for mingwin
 340     case "${host}" in
 341     *-*-mingw32*)
 342         echo "********** BUILDING FOR MINGW32 *************"
 343         network_LIBS="$network_LIBS -lws2_32"
 344         ;;
 345     esac
 346
 347     echo "Will link apps with $LIBS"
 348     ;;
 349
 350
 351 *-apple-darwin*)
 352     dnl Mac OS X
 353
 354     LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework $macAPI -lobjc"
 355     joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
 356     ;;
 357
 358 *)
 359     dnl X-Windows based machines
 360
 361     dnl Skip X11 library tests if requested.
 362     if test "x$no_x" != "xyes"; then
 363         AC_SEARCH_LIBS(XCreateWindow, X11)
 364         AC_SEARCH_LIBS(XShmCreateImage, Xext)
 365         AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 366         AC_SEARCH_LIBS(IceOpenConnection, ICE)
 367         AC_SEARCH_LIBS(SmcOpenConnection, SM)
 368         AC_SEARCH_LIBS(XtMalloc, Xt)
 369         AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 370     fi
 371
 372     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 373     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 374         dnl if GLcore found, then also check for GL
 375         AC_SEARCH_LIBS(glXCreateContext, GL)
 376     fi
 377
 378     dnl if using mesa, check for xmesa.h
 379     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 380         AC_CHECK_HEADER(GL/fxmesa.h)
 381         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 382             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 383             AC_DEFINE([FX], 1, [Define for fxmesa])
 384         fi
 385     fi
 386
 387     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 388     AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
 389     if test "x$enable_sdl" = "xyes"; then
 390         AC_SEARCH_LIBS(SDL_Init, SDL)
 391     fi
 392     ;;
 393
 394 esac
 395
 396 opengl_LIBS="$LIBS"
 397 LIBS="$base_LIBS $joystick_LIBS"
 398
 399 dnl check for OpenAL libraries
 400 OPENAL_OK="no"
 401 ALUT_OK="no"
 402 case "${host}" in
 403 *-*-cygwin* | *-*-mingw32*)
 404     dnl CygWin under Windoze.
 405     INCLUDES="$INCLUDES -I/usr/local/include/"
 406     LIBS="$LIBS -L/usr/local/lib"
 407     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal ] )
 408     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 409     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 410     openal_LIBS="$LIBS"
 411     OPENAL_OK="$ac_cv_search_alGenBuffers"
 412     ALUT_OK="$ac_cv_search_alutInit"
 413     ;;
 414
 415 *-apple-darwin*)
 416     dnl Mac OS X
 417
 418     # Mac OS X has OpenAL.framework with ALUT by default
 419     # so we can use it without checking it.
 420     # Note: SimGear needs to check the existance of alut.h since it includes the header.
 421     LIBS="$LIBS -framework IOKit -framework OpenAL"
 422     openal_LIBS="$LIBS"
 423     OPENAL_OK="yes"
 424     ALUT_OK="yes"
 425
 426     dnl Check for OpenAL.framework when --with-openal-framework is specified
 427     if test "x$with_openal_framework" != "x"; then
 428       AC_CHECK_FRAMEWORK(OpenAL, [#include <OpenAL/alut.h>], $with_openal_framework)
 429     fi
 430
 431     ;;
 432
 433 *)
 434     dnl default unix style machines
 435
 436     save_LIBS=$LIBS
 437     LIBS="$LIBS $thread_LIBS"
 438     AC_SEARCH_LIBS(alGenBuffers, openal)
 439     AC_SEARCH_LIBS(alutInit, [ alut openal ] )
 440     OPENAL_OK="$ac_cv_search_alGenBuffers"
 441     ALUT_OK="$ac_cv_search_alutInit"
 442     openal_LIBS="$LIBS"
 443     LIBS=$save_LIBS
 444     ;;
 445
 446 esac
 447
 448 if test "$OPENAL_OK" == "no"; then
 449     echo
 450     echo "You *must* have the openal library installed on your system to build"
 451     echo "SimGear!"
 452     echo
 453     echo "Please see README.OpenAL for more details."
 454     echo
 455     echo "configure aborted."
 456     exit
 457 fi
 458
 459 if test "$ALUT_OK" == "no"; then
 460     echo
 461     echo "You *must* have the alut library installed on your system to build"
 462     echo "SimGear!"
 463     echo
 464     echo "Please see README.OpenAL for more details."
 465     echo
 466     echo "configure aborted."
 467     exit
 468 fi
 469
 470
 471 LIBS="$base_LIBS"
 472
 473 AC_SUBST(base_LIBS)
 474 AC_SUBST(openal_LIBS)
 475 AC_SUBST(opengl_LIBS)
 476 AC_SUBST(thread_LIBS)
 477 AC_SUBST(network_LIBS)
 478 AC_SUBST(joystick_LIBS)
 479
 480 # The following are C++ items that need to be tested for with the c++
 481 # compiler
 482
 483 AC_LANG_PUSH(C++)
 484
 485 dnl Check for the presence of SimGear
 486 if test "x$with_simgear" != "x"; then
 487 AC_CHECK_HEADER($with_simgear/include/simgear/version.h, [ac_cv_header_simgear_version_h=yes], [ac_cv_header_simgear_version_h=no])
 488 else
 489 AC_CHECK_HEADER(simgear/version.h)
 490 fi
 491 if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
 492     echo
 493     echo "You *must* have the SimGear support library installed on your system"
 494     echo "to build the FGFS simulator!"
 495     echo
 496     echo "Please see README.SimGear for more details."
 497     echo
 498     echo "configure aborted."
 499     exit
 500 fi
 501
 502 AC_MSG_CHECKING([for SimGear 1.9.0 or newer])
 503 AC_TRY_RUN([
 504 #include <stdio.h>
 505
 506 #include <simgear/version.h>
 507
 508 #define STRINGIFY(X) XSTRINGIFY(X)
 509 #define XSTRINGIFY(X) #X
 510
 511 #define MIN_MAJOR 1
 512 #define MIN_MINOR 9
 513 #define MIN_MICRO 0
 514
 515 int main() {
 516     int major, minor, micro;
 517
 518     /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
 519     printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
 520
 521     sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, &micro );
 522
 523     if ( (major < MIN_MAJOR) ||
 524          (major == MIN_MAJOR && minor < MIN_MINOR) ||
 525          (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
 526          return -1;
 527     }
 528
 529     return 0;
 530 }
 531
 532 ],
 533   AC_MSG_RESULT(yes),
 534   [AC_MSG_RESULT(wrong version);
 535    AC_MSG_ERROR([Install latest SimGear first...])],
 536   AC_MSG_RESULT(yes)
 537 )
 538
 539 LIBS="$saved_LIBS"
 540
 541 dnl Check if SimGear was built with Norman's JPEG factory support
 542 if test "x$with_simgear" != "x"; then
 543 AC_CHECK_HEADER($with_simgear/include/simgear/screen/jpgfactory.hxx,[ac_cv_header_simgear_screen_jpgfactory_hxx=yes],[ac_cv_header_simgear_screen_jpgfactory_hxx=no])
 544 else
 545 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
 546 fi
 547 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
 548     AC_CHECK_LIB(jpeg, jpeg_start_compress)
 549     if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
 550         echo
 551         echo "The JPEG factory code was built and installed with SimGear."
 552         echo "However it appears the libjpeg is no longer installed."
 553         echo "You need to install libjpeg or remove jpgfactory support from"
 554         echo "SimGear"
 555         echo
 556         echo "libjpeg is available at :"
 557         echo "  ftp://ftp.uu.net in the directory graphics/jpeg"
 558         exit 1
 559     fi
 560     AC_DEFINE([FG_JPEG_SERVER], 1,
 561               [Define to build with jpeg screen shot server])
 562 fi
 563 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes")
 564
 565 # Check for "plib" without which we cannot go on
 566 case "${host}" in
 567 *-apple-darwin*)
 568     if test "x$with_plib_framework" != "x"; then
 569         AC_CHECK_FRAMEWORK(PLIB, [#include <plib/ul.h>], $with_plib_framework, no)
 570         plib_FRAMEWORK="$FRAMEWORKS"
 571         AC_SUBST(plib_FRAMEWORK)
 572         FRAMEWORKS=""
 573     fi
 574     ;;
 575 esac
 576 AM_CONDITIONAL(HAVE_FRAMEWORK_PLIB, test "x$ac_cv_framework_PLIB" != "x")
 577
 578 AC_CHECK_HEADER(plib/ul.h)
 579 if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
 580     echo
 581     echo "You *must* have the plib library installed on your system to build"
 582     echo "the FGFS simulator!"
 583     echo
 584     echo "Please see README.plib for more details."
 585     echo
 586     echo "configure aborted."
 587     exit
 588 fi
 589
 590 echo "$DYLD_FRAMEWORK_PATH"
 591 AC_MSG_CHECKING([for plib 1.8.5 or newer])
 592 AC_TRY_RUN([
 593 #include <plib/ul.h>
 594
 595 #define MIN_PLIB_VERSION 185
 596
 597 int main() {
 598     if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
 599          return -1;
 600     }
 601
 602     return 0;
 603 }
 604
 605 ],
 606   AC_MSG_RESULT(yes),
 607   [AC_MSG_RESULT(wrong version);
 608    AC_MSG_ERROR([Install plib 1.8.5 or later first...])],
 609   AC_MSG_RESULT(yes)
 610 )
 611
 612 dnl If we get here then plib is available, so force use of plib
 613 dnl joystick lib
 614 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
 615
 616 # Find the OSG libraries.  Note special handling for OS X frameworks
 617 case "${host}" in
 618 *-apple-darwin*)
 619     if test "x$with_osg_framework" = "x"; then
 620         if test "x$enable_osgdebug" = "xyes"; then
 621             # debug version of osg libs
 622             AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion)
 623             openthreads_LIBS="$LIBS"
 624             LIBS=""
 625             AC_CHECK_LIB(osgd,osgGetVersion)
 626             AC_CHECK_LIB(osgUtild,osgUtilGetVersion)
 627             AC_CHECK_LIB(osgDBd,osgDBGetVersion)
 628             AC_CHECK_LIB(osgTextd,osgTextGetVersion)
 629             AC_CHECK_LIB(osgGAd,osgGAGetVersion)
 630             AC_CHECK_LIB(osgViewerd,osgViewerGetVersion)
 631             AC_CHECK_LIB(osgSimd,osgSimGetVersion)
 632             AC_CHECK_LIB(osgParticled,osgParticleGetVersion)
 633             OSG_LIBS="$LIBS -losgFXd $openthreads_LIBS"
 634             LIBS=""
 635         else
 636             # release version of osg libs
 637             AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion)
 638             openthreads_LIBS="$LIBS"
 639             LIBS=""
 640             AC_CHECK_LIB(osg,osgGetVersion)
 641             AC_CHECK_LIB(osgUtil,osgUtilGetVersion)
 642             AC_CHECK_LIB(osgDB,osgDBGetVersion)
 643             AC_CHECK_LIB(osgText,osgTextGetVersion)
 644             AC_CHECK_LIB(osgGA,osgGAGetVersion)
 645             AC_CHECK_LIB(osgViewer,osgViewerGetVersion)
 646             AC_CHECK_LIB(osgSim,osgSimGetVersion)
 647             AC_CHECK_LIB(osgParticle,osgParticleGetVersion)
 648             OSG_LIBS="$LIBS -losgFX $openthreads_LIBS"
 649             LIBS=""
 650             # echo $LIBS
 651         fi
 652         AC_SUBST(openthreads_LIBS)
 653         AC_SUBST(OSG_LIBS)
 654     else
 655         # Checking osg frameworks.
 656         AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>], $with_osg_framework)
 657         AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>], $with_osg_framework)
 658         AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>], $with_osg_framework)
 659         AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>], $with_osg_framework)
 660         AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>], $with_osg_framework)
 661         AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>], $with_osg_framework)
 662         AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>], $with_osg_framework)
 663         AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>], $with_osg_framework)
 664         AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>], $with_osg_framework)
 665         osg_FRAMEWORKS="$FRAMEWORKS"
 666         FRAMEWORKS=""
 667         AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>], $with_osg_framework)
 668         openthreads_FRAMEWORK="$FRAMEWORKS"
 669         AC_SUBST(osg_FRAMEWORKS)
 670         AC_SUBST(openthreads_FRAMEWORK)
 671     fi
 672     ;;
 673 *)
 674     if test "x$enable_osgdebug" = "xyes"; then
 675         AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion)
 676         AC_CHECK_LIB(osgd,osgGetVersion)
 677         AC_CHECK_LIB(osgUtild,osgUtilGetVersion)
 678         AC_CHECK_LIB(osgDBd,osgDBGetVersion)
 679         AC_CHECK_LIB(osgTextd,osgTextGetVersion)
 680         AC_CHECK_LIB(osgGAd,osgGAGetVersion)
 681         AC_CHECK_LIB(osgViewerd,osgViewerGetVersion)
 682         AC_CHECK_LIB(osgSimd,osgSimGetVersion)
 683         AC_CHECK_LIB(osgParticled,osgParticleGetVersion)
 684         LIBS="$LIBS -losgFXd"
 685     else
 686         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion)
 687         AC_CHECK_LIB(osg,osgGetVersion)
 688         AC_CHECK_LIB(osgUtil,osgUtilGetVersion)
 689         AC_CHECK_LIB(osgDB,osgDBGetVersion)
 690         AC_CHECK_LIB(osgText,osgTextGetVersion)
 691         AC_CHECK_LIB(osgGA,osgGAGetVersion)
 692         AC_CHECK_LIB(osgViewer,osgViewerGetVersion)
 693         AC_CHECK_LIB(osgSim,osgSimGetVersion)
 694         AC_CHECK_LIB(osgParticle,osgParticleGetVersion)
 695         LIBS="$LIBS -losgFX"
 696     fi
 697     ;;
 698 esac
 699 AM_CONDITIONAL(HAVE_FRAMEWORK_OSG, test "x$ac_cv_framework_osg" != "x")
 700
 701 AC_CHECK_HEADER(osg/Version)
 702 if test "x$ac_cv_header_osg_Version" != "xyes"; then
 703     echo
 704     echo "You *must* have the OpenSceneGraph support library installed on your system"
 705     echo "to build the FGFS simulator!"
 706     echo
 707     echo "Please see README.OSG for more details."
 708     echo
 709     echo "configure aborted."
 710     exit
 711 fi
 712
 713
 714 AC_MSG_CHECKING([checking for osg::CullSettings::CLEAR_MASK])
 715 AC_COMPILE_IFELSE(
 716   [AC_LANG_PROGRAM([[#include <osg/CullSettings>]],
 717     [[osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;]])],
 718   [AC_DEFINE([HAVE_CULLSETTINGS_CLEAR_MASK],1,[define if OSG has CullSettings::CLEAR_MASK])
 719    AC_MSG_RESULT([yes])],
 720   [AC_MSG_RESULT([no])])
 721 AC_LANG_POP
 722
 723 dnl Check for system installed zlib
 724 AC_CHECK_HEADER(zlib.h)
 725 if test "x$ac_cv_header_zlib_h" != "xyes"; then
 726     echo
 727     echo "zlib library not found."
 728     echo
 729     echo "If your OS does not provide an installable package for zlib"
 730     echo "you will have to compile and install it first yourself.  A copy"
 731     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
 732     echo "have to untar this source code, and follow it's included instructions"
 733     echo "to compile and install on your system."
 734     echo
 735     echo "configure aborted."
 736     echo
 737 fi
 738
 739 dnl Check for Subversion library support
 740 save_LIBS=$LIBS
 741 save_CPPFLAGS=$CPPFLAGS
 742 LIBS=""
 743 CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes`"
 744 AC_CHECK_LIB(svn_client-1, svn_client_checkout3)
 745 AC_CHECK_HEADERS([svn_client.h glut.h])
 746 if test "x$ac_cv_header_svn_client_h" != "xyes"; then
 747   echo "TerraSync will shell out for command line subversion"
 748   svn_LIBS=""
 749   svn_CPPFLAGS=""
 750 else
 751   echo "TerraSync will use integrated subversion library"
 752   AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
 753   svn_LIBS=$LIBS
 754   svn_CPPFLAGS=$CPPFLAGS
 755   AC_SUBST(svn_LIBS)
 756   AC_SUBST(svn_CPPFLAGS)
 757 fi
 758 LIBS=$save_LIBS
 759 CPPFLAGS=$save_CPPFLAGS
 760
 761 AC_MSG_CHECKING([for feenableexcept])
 762 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define _GNU_SOURCE
 763 #include <fenv.h>]], [[feenableexcept(FE_DIVBYZERO)]])],
 764 [AC_DEFINE([HAVE_FEENABLEEXCEPT], 1, [define if system has fenableexcept])],
 765 AC_MSG_RESULT([yes]),
 766 AC_MSG_RESULT([no]))
 767
 768 dnl Checks for header files.
 769 AC_HEADER_STDC
 770 AC_CHECK_HEADERS( \
 771         fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
 772         sys/time.h sys/timeb.h unistd.h windows.h values.h )
 773
 774 dnl Checks for typedefs, structures, and compiler characteristics.
 775 AC_C_CONST
 776 AC_TYPE_SIZE_T
 777 AC_HEADER_TIME
 778 AC_STRUCT_TM
 779
 780 dnl Checks for library functions.
 781 old_LIBS=$LIBS
 782 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 783 AC_TYPE_SIGNAL
 784 AC_FUNC_VPRINTF
 785 AC_CHECK_FUNCS( [ \
 786         ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
 787         random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
 788         truncf ] )
 789 LIBS=$old_LIBS
 790
 791 AM_CONFIG_HEADER(src/Include/config.h)
 792
 793 AC_CONFIG_FILES([ \
 794         Makefile \
 795         man/Makefile \
 796         man/est-epsilon.1 \
 797         man/fgfs.1 \
 798         man/fgjs.1 \
 799         man/gl-info.1 \
 800         man/js_demo.1 \
 801         man/pstest.1 \
 802         scripts/Makefile \
 803         scripts/debug/Makefile \
 804         scripts/perl/Makefile \
 805         scripts/perl/examples/Makefile \
 806         scripts/python/Makefile \
 807         src/Makefile \
 808         src/Include/Makefile \
 809         src/Include/version.h \
 810         src/Include/config.h-msvc6 \
 811         src/Include/config.h-msvc71 \
 812         src/Include/config.h-msvc8 \
 813         src/Include/config.h-msvc90 \
 814         src/Aircraft/Makefile \
 815         src/Airports/Makefile \
 816         src/ATC/Makefile \
 817         src/ATCDCL/Makefile \
 818         src/Autopilot/Makefile \
 819         src/Cockpit/Makefile \
 820         src/Cockpit/built_in/Makefile \
 821         src/Environment/Makefile \
 822         src/FDM/ExternalNet/Makefile \
 823         src/FDM/ExternalPipe/Makefile \
 824         src/FDM/JSBSim/Makefile \
 825         src/FDM/JSBSim/initialization/Makefile \
 826         src/FDM/JSBSim/input_output/Makefile \
 827         src/FDM/JSBSim/math/Makefile \
 828         src/FDM/JSBSim/models/Makefile \
 829         src/FDM/JSBSim/models/flight_control/Makefile \
 830         src/FDM/JSBSim/models/atmosphere/Makefile \
 831         src/FDM/JSBSim/models/propulsion/Makefile \
 832         src/FDM/LaRCsim/Makefile \
 833         src/FDM/SP/Makefile \
 834         src/FDM/UIUCModel/Makefile \
 835         src/FDM/YASim/Makefile \
 836         src/FDM/Makefile \
 837         src/GUI/Makefile \
 838         src/Input/Makefile \
 839         src/Instrumentation/Makefile \
 840         src/Instrumentation/KLN89/Makefile \
 841         src/Instrumentation/HUD/Makefile \
 842         src/Main/Makefile \
 843         src/Main/runfgfs \
 844         src/Main/runfgfs.bat \
 845         src/Model/Makefile \
 846         src/AIModel/Makefile \
 847         src/MultiPlayer/Makefile \
 848         src/Navaids/Makefile \
 849         src/Network/Makefile \
 850         src/Scenery/Makefile \
 851         src/Scripting/Makefile \
 852         src/Sound/Makefile \
 853         src/Systems/Makefile \
 854         src/Time/Makefile \
 855         src/Traffic/Makefile \
 856         tests/Makefile \
 857         utils/Makefile \
 858         utils/GPSsmooth/Makefile \
 859         utils/fgadmin/Makefile
 860         utils/fgadmin/src/Makefile \
 861         utils/js_server/Makefile \
 862         utils/Modeller/Makefile \
 863         utils/propmerge/Makefile \
 864         utils/TerraSync/Makefile \
 865         utils/xmlgrep/Makefile \
 866         utils/fgviewer/Makefile
 867 ])
 868 AC_OUTPUT
 869
 870 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
 871
 872 echo ""
 873 echo "Configure Summary"
 874 echo "================="
 875
 876 echo "Prefix: $prefix"
 877
 878 if test "x$with_logging" != "x"; then
 879     echo "Debug messages: $with_logging"
 880 else
 881     echo "Debug messages: yes"
 882 fi
 883
 884 echo -n "Automake version: "
 885 automake --version | head -n 1
 886
 887 if test "x$with_multiplayer" != "xno"; then
 888     echo "Building with multiplayer support"
 889 fi
 890
 891 if test "x$with_threads" = "xyes"; then
 892     echo "threads: yes"
 893 else
 894     echo "threads: no"
 895 fi
 896
 897 if test "x$with_eventinput" = "xyes"; then
 898     echo "event input: yes"
 899 else
 900     echo "event input: no"
 901 fi
 902
 903 if test "x$enable_sp_fdms" != "xno"; then
 904     echo "Include special purpose flight models: yes"
 905 else
 906     echo "Include special purpose flight models: no"
 907 fi
 908