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 $host variable based on local machine/os
  12 AC_CANONICAL_TARGET
  13 AM_INIT_AUTOMAKE(FlightGear, 2.0.0)
  14
  15 dnl Checks for programs.
  16 AC_PROG_MAKE_SET
  17 AC_PROG_CC
  18 AC_PROG_CPP
  19 AC_PROG_CXX
  20 AC_PROG_CXXCPP
  21 AC_PROG_RANLIB
  22 AC_PROG_INSTALL
  23 AC_PROG_LN_S
  24 AX_BOOST_BASE([1.37.0])
  25
  26 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
  27    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  28 fi
  29
  30 # specify the simgear location
  31 AC_ARG_WITH(simgear, [  --with-simgear=PREFIX   Specify the prefix path to SimGear])
  32
  33 if test "x$with_simgear" != "x" ; then
  34     echo "SimGear prefix path is $with_simgear"
  35     EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
  36     CXXFLAGS="$CXXFLAGS -I$with_simgear"
  37 fi
  38
  39 # specify the plib location
  40 AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
  41
  42 if test "x$with_plib" != "x" ; then
  43     echo "plib prefix is $with_plib"
  44     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
  45 fi
  46
  47 # specify the osg location
  48 AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
  49
  50 if test "x$with_osg" != "x" ; then
  51     echo "osg prefix is $with_osg"
  52     EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
  53 fi
  54
  55 # specify framework related locations for Mac OS X
  56 case "${host}" in
  57 *-apple-darwin*)
  58
  59     dnl Thank you Christian Bauer from SheepSaver
  60     dnl Modified by Tatsuhiro Nishioka for accepting a given framework path
  61     dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES, $3=FRAMEWORK_PATH, $4=ACTION_IF_FOUND) ;
  62     AC_DEFUN([AC_CHECK_FRAMEWORK], [
  63     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
  64     AC_CACHE_CHECK([whether compiler supports framework $1],
  65         ac_Framework, [
  66         saved_LIBS="$LIBS"
  67         FRAMEWORKS="$FRAMEWORKS -framework $1"
  68         if test "$3" = ""; then
  69             FRAMEWORKS="$FRAMEWORKS $ADD2LD"
  70         elif test "`echo $FRAMEWORKS | grep -- -F$3`" = ""; then
  71             FRAMEWORKS="$FRAMEWORKS -F$3"
  72             CXXFLAGS="$CXXFLAGS -F$3"
  73             CCFLAGS="$CCFLAGS -F$3"
  74             CPPFLAGS="$CPPFLAGS -F$3"
  75             dnl This is needed for AC_TRY_LINK when a framework path is specified
  76             export DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH}:$3"
  77         fi
  78         AC_TRY_LINK(
  79         [$2], [],
  80         [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
  81         )
  82     ])
  83     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
  84         [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
  85     )
  86     AS_IF([test AS_VAR_GET(ac_Framework) = yes], $4)
  87     AS_VAR_POPDEF([ac_Framework])dnl
  88     ])
  89
  90     # Mac OS X specific configure options
  91     AC_ARG_WITH(cocoa_framework, [  --with-cocoa-framework       Use the Cocoa rather than Carbon]])
  92     if test "x$with_cocoa_framework" != "x" ; then
  93         macAPI=Cocoa
  94         AC_MSG_NOTICE([Using Cocoa framework])
  95     else
  96         macAPI=Carbon
  97         AC_MSG_NOTICE([Using Carbon framework])
  98     fi
  99
 100     AC_ARG_WITH(osg_framework, [  --with-osg-framework=PREFIX       Specify the prefix path to osg frameworks [default=standard framework paths]])
 101     if test "x$with_osg_framework" != "x" ; then
 102         echo "osg prefix is $with_osg_framework"
 103         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
 104     fi
 105
 106     AC_ARG_WITH(plib_framework, [  --with-plib-framework=PREFIX       Specify the prefix path to PLIB framework [default=standard framework paths]])
 107     if test "x$with_plib_framework" != "x" ; then
 108         echo "plib prefix is $with_plib_framework"
 109         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_plib_framework"
 110     fi
 111
 112     AC_ARG_WITH(alut_framework, [ --with-alut-framework=PREFIX    Specify the prefix path to ALUT.framework ])
 113     if test "x$with_alut_framework" != "x"; then
 114         echo "ALUT framework prefix is $with_alut_framework"
 115     fi
 116
 117     ;;
 118 esac
 119
 120 dnl Determine an extra directories to add to include/lib search paths
 121 case "${host}" in
 122 *-apple-darwin* | *-*-mingw32*)
 123     echo no EXTRA_DIRS for $host
 124     ;;
 125
 126 *-*-cygwin*)
 127     if test -d /usr/local ; then
 128         EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
 129     fi
 130     ;;
 131
 132 *)
 133     if test -d /usr/X11R6 ; then
 134         EXTRA_DIR1="/usr/X11R6"
 135     fi
 136     if test -d /opt/X11R6 ; then
 137         EXTRA_DIR2="/opt/X11R6"
 138     fi
 139     EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local"
 140     ;;
 141
 142 esac
 143 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
 144
 145
 146 case "${host}" in
 147 *-*-irix*)
 148     if test "$CXX" = "CC"; then
 149         AR="CC -ar"
 150         ARFLAGS="-o"
 151         CXXFLAGS="$CXXFLAGS -c99 -I$with_simgear/include/simgear/compatibility"
 152         CFLAGS="$CFLAGS -c99"
 153     else
 154         AR="ar"
 155         ARFLAGS="cru"
 156     fi
 157     ;;
 158 *)
 159     AR="ar"
 160     ARFLAGS="cru"
 161     ;;
 162 esac
 163 AC_SUBST(AR)
 164 AC_SUBST(ARFLAGS)
 165
 166 dnl set logging; default value of with_logging=yes
 167 AC_ARG_WITH(logging, [  --with-logging          Include logging output (default)])
 168 if test "x$with_logging" = "xno" ; then
 169     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 170 fi
 171
 172 AC_ARG_ENABLE(sp_fdms, [  --enable-sp-fdms               Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
 173 if test "x$enable_sp_fdms" != "xno"; then
 174     AC_DEFINE([ENABLE_SP_FDM], 1, [Define to include special purpose FDMs])
 175 else
 176     AC_DEFINE([ENABLE_SP_FDM], 0, [Define to include special purpose FDMs])
 177 fi
 178 AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
 179
 180 # Specify whether we want to compile ATCDCL.
 181 # default to with_atcdcl=yes
 182 AC_ARG_ENABLE(atcdcl, [  --enable-atcdcl                Compile and link the depricated atc/ai module], [enable_atcdcl="$enableval"] )
 183 if test "x$enable_atcdcl" != "xno"; then
 184     AC_DEFINE([ENABLE_ATCDCL], 1, [Define to include old ATC/AI module])
 185 else
 186     AC_DEFINE([ENABLE_ATCDCL], 0, [Define to include old ATC/AI module])
 187 fi
 188 AM_CONDITIONAL(ENABLE_ATCDCL, test "x$enable_atcdcl" != "xno")
 189
 190
 191
 192 dnl EXPERIMENTAL generic event driven input device
 193 # defaults to no
 194 AC_ARG_WITH(eventinput, [  --with-eventinput       Include event driven input (EXPERIMENTAL) [default=no]], [], [with_eventinput=no])
 195 if test "x$with_eventinput" = "xyes"; then
 196     AC_DEFINE([WITH_EVENTINPUT], 1, [Define to enable generic event driven input device])
 197     case "${host}" in
 198     dnl OS specific sources for event driven input
 199     dnl Linux and Mac OS X are supported at this moment
 200     *-apple-darwin*)
 201         eventinput_EXTRA_OBJS="FGMacOSXEventInput.o"
 202         eventinput_INCUDES=""
 203         eventinput_LIBS=""
 204         ;;
 205     *linux*)
 206         dnl
 207         dnl FIXME: include paths for dbus are hard-coded at this moment.
 208         dnl FIXME: these must be found in configure
 209         dnl
 210         eventinput_EXTRA_OBJS="FGLinuxEventInput.o"
 211         eventinput_INCLUDES="-I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/lib/dbus-1.0/include"
 212         eventinput_LIBS="-ldbus-1 -lhal"
 213         ;;
 214     *)
 215         echo "Event driven input is not supported on ${host}."
 216         ;;
 217     esac
 218     AC_SUBST(eventinput_EXTRA_OBJS)
 219     AC_SUBST(eventinput_INCLUDES)
 220     AC_SUBST(eventinput_LIBS)
 221 fi
 222 AM_CONDITIONAL(WITH_EVENTINPUT, test "x$with_eventinput" = "xyes")
 223
 224 dnl Thread related checks
 225 # defaults to yes
 226 AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=yes]], [], [with_threads=yes])
 227 if test "x$with_threads" = "xyes"; then
 228     AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
 229     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
 230     CFLAGS="$CFLAGS -D_REENTRANT"
 231 fi
 232 AC_CHECK_HEADER(pthread.h)
 233
 234
 235 dnl Used by JSBSim to conditionally compile in fgfs interface code
 236 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 237
 238 # Check for MS Windows environment
 239 AC_CHECK_HEADER(windows.h)
 240
 241 dnl Using AM_CONDITIONAL is a step out of the protected little
 242 dnl automake fold so it is potentially dangerous.  But, we are
 243 dnl beginning to run into cases where the standard checks are not
 244 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 245 dnl build a Makefile.in from a Makefile.am which lets us define custom
 246 dnl includes, compile alternative source files, etc.
 247
 248 dnl Check for external variables daylight and timezone.
 249 AC_EXT_DAYLIGHT
 250 if test "$have_daylight" = yes; then
 251     AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
 252 fi
 253
 254 AC_EXT_TIMEZONE
 255 if test "$have_timezone" = yes; then
 256     AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
 257 fi
 258
 259
 260 dnl add joystick support libraries
 261 dnl search for FreeBSD library
 262 AC_SEARCH_LIBS(hid_init, usbhid)
 263 joystick_LIBS="$LIBS"
 264 LIBS=""
 265
 266
 267 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
 268 dnl just assuming we have audio support on all platform.  We can
 269 dnl depend on plib to hide the details.
 270 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
 271
 272 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 273 dnl to use it if it is.
 274 case "${host}" in
 275 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 276     echo no fancy X11 check
 277     ;;
 278
 279 *)
 280     AC_PATH_XTRA
 281     ;;
 282
 283 esac
 284
 285 dnl Checks for libraries.
 286
 287 dnl Thread related checks
 288 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
 289 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 290   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 291     CXXFLAGS="-pthread $CXXFLAGS"
 292     CFLAGS="-pthread $CFLAGS"
 293     LIBS="-lsgthreads $LIBS"
 294   fi
 295 fi
 296
 297 thread_LIBS="$LIBS"
 298 LIBS=""
 299
 300 dnl search for network related libraries
 301 AC_SEARCH_LIBS(inet_addr, xnet)
 302 AC_SEARCH_LIBS(socket, socket)
 303 AC_SEARCH_LIBS(main, nsl)
 304
 305 network_LIBS="$LIBS"
 306 LIBS=""
 307
 308 dnl check for some default libraries
 309 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
 310 AC_SEARCH_LIBS(ceil, m)
 311 AC_SEARCH_LIBS(dlclose, dl)
 312 AC_SEARCH_LIBS(clock_gettime, rt)
 313
 314 base_LIBS="$LIBS"
 315
 316 dnl Check for SDL or glut if enabled.
 317 AC_ARG_ENABLE(osgviewer, [  --enable-osgviewer             Configure to use osgViewer(default)], [enable_osgviewer="$enableval"])
 318 AC_ARG_ENABLE(sdl,  [  --enable-sdl                   Configure to use SDL], [enable_sdl="$enableval"])
 319 AC_ARG_ENABLE(glut, [  --enable-glut                  Configure to use GLUT], [enable_glut="$enableval"])
 320 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
 321 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
 322 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
 323    enable_osgviewer="yes"
 324 fi
 325 if test \( "x$enable_osgviewer" = "xyes" \
 326    -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
 327    -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
 328    echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
 329    echo " be supplied."
 330    exit
 331 fi
 332 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
 333
 334 AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug              Use OSG debug libraries], [enable_osgdebug="$enableval"])
 335
 336 dnl check for OpenGL related libraries
 337 case "${host}" in
 338 *-*-cygwin* | *-*-mingw32*)
 339     dnl CygWin under Windoze.
 340
 341     echo Win32 specific hacks...
 342     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 343     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 344
 345     if test "x$enable_sdl" = "xyes"; then
 346         AC_SEARCH_LIBS(SDL_Init, SDL)
 347     else
 348         LIBS="$LIBS -lglut32"
 349     fi
 350
 351     LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 352     joystick_LIBS="$joystick_LIBS -lwinmm"
 353
 354     dnl add -lwsock32 for mingwin
 355     case "${host}" in
 356     *-*-mingw32*)
 357         echo "********** BUILDING FOR MINGW32 *************"
 358         network_LIBS="$network_LIBS -lws2_32"
 359         ;;
 360     esac
 361
 362     echo "Will link apps with $LIBS"
 363     ;;
 364
 365
 366 *-apple-darwin*)
 367     dnl Mac OS X
 368
 369     LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework $macAPI -lobjc"
 370     joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
 371     ;;
 372
 373 *)
 374     dnl X-Windows based machines
 375
 376     dnl Skip X11 library tests if requested.
 377     if test "x$no_x" != "xyes"; then
 378         AC_SEARCH_LIBS(XCreateWindow, X11)
 379         AC_SEARCH_LIBS(XShmCreateImage, Xext)
 380         AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 381         AC_SEARCH_LIBS(IceOpenConnection, ICE)
 382         AC_SEARCH_LIBS(SmcOpenConnection, SM)
 383         AC_SEARCH_LIBS(XtMalloc, Xt)
 384         AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 385     fi
 386
 387     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 388     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 389         dnl if GLcore found, then also check for GL
 390         AC_SEARCH_LIBS(glXCreateContext, GL)
 391     fi
 392
 393     dnl if using mesa, check for xmesa.h
 394     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 395         AC_CHECK_HEADER(GL/fxmesa.h)
 396         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 397             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 398             AC_DEFINE([FX], 1, [Define for fxmesa])
 399         fi
 400     fi
 401
 402     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 403     AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
 404     if test "x$enable_sdl" = "xyes"; then
 405         AC_SEARCH_LIBS(SDL_Init, SDL)
 406     fi
 407     ;;
 408
 409 esac
 410
 411 opengl_LIBS="$LIBS"
 412 LIBS="$base_LIBS $joystick_LIBS"
 413
 414 dnl check for OpenAL libraries
 415 OPENAL_OK="no"
 416 ALUT_OK="no"
 417 case "${host}" in
 418 *-*-cygwin* | *-*-mingw32*)
 419     dnl CygWin under Windoze.
 420     INCLUDES="$INCLUDES -I/usr/local/include/"
 421     LIBS="$LIBS -L/usr/local/lib"
 422     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal 'openal -ldsound -lwinmm' ] )
 423     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 424     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 425     openal_LIBS="$LIBS"
 426     OPENAL_OK="$ac_cv_search_alGenBuffers"
 427     ALUT_OK="$ac_cv_search_alutInit"
 428     ;;
 429
 430 *-apple-darwin*)
 431     dnl Mac OS X
 432
 433     # Mac OS X has OpenAL.framework, but no ALUT, by default, so we
 434     # require use of a non-Apple ALUT.framework which we provide
 435     LIBS="$LIBS -framework IOKit -framework OpenAL"
 436     openal_LIBS="$LIBS"
 437
 438     AC_CHECK_FRAMEWORK(OpenAL, [#include <OpenAL/al.h>], "", [OPENAL_OK="yes"])
 439     AC_CHECK_FRAMEWORK(ALUT, [#include <ALUT/alut.h>], $with_alut_framework, [
 440         ALUT_OK="yes"
 441         LIBS = "$LIBS -framework ALUT"
 442     ])
 443     ;;
 444
 445 *)
 446     dnl default unix style machines
 447
 448     save_LIBS=$LIBS
 449     LIBS="$LIBS $thread_LIBS"
 450     AC_SEARCH_LIBS(alGenBuffers, openal)
 451     AC_SEARCH_LIBS(alutInit, [ alut openal ] )
 452     OPENAL_OK="$ac_cv_search_alGenBuffers"
 453     ALUT_OK="$ac_cv_search_alutInit"
 454     openal_LIBS="$LIBS"
 455     LIBS=$save_LIBS
 456     ;;
 457
 458 esac
 459
 460 if test "$OPENAL_OK" == "no"; then
 461     echo
 462     echo "You *must* have the openal library installed on your system to build"
 463     echo "SimGear!"
 464     echo
 465     echo "Please see README.OpenAL for more details."
 466     echo
 467     echo "configure aborted."
 468     exit
 469 fi
 470
 471 if test "$ALUT_OK" == "no"; then
 472     echo
 473     echo "You *must* have the alut library installed on your system to build"
 474     echo "SimGear!"
 475     echo
 476     echo "Please see README.OpenAL for more details."
 477     echo
 478     echo "configure aborted."
 479     exit
 480 fi
 481
 482
 483 LIBS="$base_LIBS"
 484
 485 AC_SUBST(base_LIBS)
 486 AC_SUBST(openal_LIBS)
 487 AC_SUBST(opengl_LIBS)
 488 AC_SUBST(thread_LIBS)
 489 AC_SUBST(network_LIBS)
 490 AC_SUBST(joystick_LIBS)
 491
 492 # The following are C++ items that need to be tested for with the c++
 493 # compiler
 494
 495 AC_LANG_PUSH(C++)
 496
 497 dnl Check for the presence of SimGear
 498 if test "x$with_simgear" != "x"; then
 499 AC_CHECK_HEADER($with_simgear/include/simgear/version.h, [ac_cv_header_simgear_version_h=yes], [ac_cv_header_simgear_version_h=no])
 500 else
 501 AC_CHECK_HEADER(simgear/version.h)
 502 fi
 503 if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
 504     echo
 505     echo "You *must* have the SimGear support library installed on your system"
 506     echo "to build the FGFS simulator!"
 507     echo
 508     echo "Please see README.SimGear for more details."
 509     echo
 510     echo "configure aborted."
 511     exit
 512 fi
 513
 514 AC_MSG_CHECKING([for SimGear 2.0.0 or newer])
 515 AC_TRY_RUN([
 516 #include <stdio.h>
 517
 518 #include <simgear/version.h>
 519
 520 #define STRINGIFY(X) XSTRINGIFY(X)
 521 #define XSTRINGIFY(X) #X
 522
 523 #define MIN_MAJOR 2
 524 #define MIN_MINOR 0
 525 #define MIN_MICRO 0
 526
 527 int main() {
 528     int major, minor, micro;
 529
 530     /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
 531     printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
 532
 533     sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, &micro );
 534
 535     if ( (major < MIN_MAJOR) ||
 536          (major == MIN_MAJOR && minor < MIN_MINOR) ||
 537          (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
 538          return -1;
 539     }
 540
 541     return 0;
 542 }
 543
 544 ],
 545   AC_MSG_RESULT(yes),
 546   [AC_MSG_RESULT(wrong version);
 547    AC_MSG_ERROR([Install latest SimGear first...])],
 548   AC_MSG_RESULT(yes)
 549 )
 550
 551 LIBS="$saved_LIBS"
 552
 553 dnl Check if SimGear was built with Norman's JPEG factory support
 554 if test "x$with_simgear" != "x"; then
 555 AC_CHECK_HEADER($with_simgear/include/simgear/screen/jpgfactory.hxx,[ac_cv_header_simgear_screen_jpgfactory_hxx=yes],[ac_cv_header_simgear_screen_jpgfactory_hxx=no])
 556 else
 557 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
 558 fi
 559 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
 560     AC_CHECK_LIB(jpeg, jpeg_start_compress)
 561     if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
 562         echo
 563         echo "The JPEG factory code was built and installed with SimGear."
 564         echo "However it appears the libjpeg is no longer installed."
 565         echo "You need to install libjpeg or remove jpgfactory support from"
 566         echo "SimGear"
 567         echo
 568         echo "libjpeg is available at :"
 569         echo "  ftp://ftp.uu.net in the directory graphics/jpeg"
 570         exit 1
 571     fi
 572     AC_DEFINE([FG_JPEG_SERVER], 1,
 573               [Define to build with jpeg screen shot server])
 574 fi
 575 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes")
 576
 577 # Check for "plib" without which we cannot go on
 578 case "${host}" in
 579 *-apple-darwin*)
 580     if test "x$with_plib_framework" != "x"; then
 581         AC_CHECK_FRAMEWORK(PLIB, [#include <plib/ul.h>], $with_plib_framework, no)
 582         plib_FRAMEWORK="$FRAMEWORKS"
 583         AC_SUBST(plib_FRAMEWORK)
 584         FRAMEWORKS=""
 585     fi
 586     ;;
 587 esac
 588 AM_CONDITIONAL(HAVE_FRAMEWORK_PLIB, test "x$ac_cv_framework_PLIB" != "x")
 589
 590 AC_CHECK_HEADER(plib/ul.h)
 591 if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
 592     echo
 593     echo "You *must* have the plib library installed on your system to build"
 594     echo "the FGFS simulator!"
 595     echo
 596     echo "Please see README.plib for more details."
 597     echo
 598     echo "configure aborted."
 599     exit
 600 fi
 601
 602 echo "$DYLD_FRAMEWORK_PATH"
 603 AC_MSG_CHECKING([for plib 1.8.5 or newer])
 604 AC_TRY_RUN([
 605 #include <plib/ul.h>
 606
 607 #define MIN_PLIB_VERSION 185
 608
 609 int main() {
 610     if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
 611          return -1;
 612     }
 613
 614     return 0;
 615 }
 616
 617 ],
 618   AC_MSG_RESULT(yes),
 619   [AC_MSG_RESULT(wrong version);
 620    AC_MSG_ERROR([Install plib 1.8.5 or later first...])],
 621   AC_MSG_RESULT(yes)
 622 )
 623
 624 dnl If we get here then plib is available, so force use of plib
 625 dnl joystick lib
 626 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
 627
 628 # Find the OSG libraries.  Note special handling for OS X frameworks
 629 if test "x$with_osg_framework" = "x"; then
 630     if test "x$enable_osgdebug" = "xyes"; then
 631         AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 632         AC_CHECK_LIB(osgd,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 633         AC_CHECK_LIB(osgUtild,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 634         AC_CHECK_LIB(osgDBd,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 635         AC_CHECK_LIB(osgTextd,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 636         AC_CHECK_LIB(osgGAd,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 637         AC_CHECK_LIB(osgViewerd,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 638         AC_CHECK_LIB(osgSimd,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 639         AC_CHECK_LIB(osgParticled,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 640         AC_CHECK_LIB(osgFXd, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 641     else
 642         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 643         AC_CHECK_LIB(osg,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 644         AC_CHECK_LIB(osgUtil,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 645         AC_CHECK_LIB(osgDB,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 646         AC_CHECK_LIB(osgText,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 647         AC_CHECK_LIB(osgGA,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 648         AC_CHECK_LIB(osgViewer,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 649         AC_CHECK_LIB(osgSim,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 650         AC_CHECK_LIB(osgParticle,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 651         AC_CHECK_LIB(osgFX, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 652     fi
 653 else
 654     # Checking osg frameworks.
 655     AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>], $with_osg_framework)
 656     AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>], $with_osg_framework)
 657     AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>], $with_osg_framework)
 658     AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>], $with_osg_framework)
 659     AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>], $with_osg_framework)
 660     AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>], $with_osg_framework)
 661     AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>], $with_osg_framework)
 662     AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>], $with_osg_framework)
 663     AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>], $with_osg_framework)
 664     osg_FRAMEWORKS="$FRAMEWORKS"
 665     FRAMEWORKS=""
 666     AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>], $with_osg_framework)
 667     openthreads_FRAMEWORK="$FRAMEWORKS"
 668     AC_SUBST(osg_FRAMEWORKS)
 669     AC_SUBST(openthreads_FRAMEWORK)
 670 fi
 671 AM_CONDITIONAL(HAVE_FRAMEWORK_OSG, test "x$ac_cv_framework_osg" != "x")
 672
 673 AC_CHECK_HEADER(osg/Version)
 674 if test "x$ac_cv_header_osg_Version" != "xyes"; then
 675     echo
 676     echo "You *must* have the OpenSceneGraph support library installed on your system"
 677     echo "to build the FGFS simulator!"
 678     echo
 679     echo "Please see README.OSG for more details."
 680     echo
 681     echo "configure aborted."
 682     exit
 683 fi
 684
 685
 686 AC_MSG_CHECKING([checking for osg::CullSettings::CLEAR_MASK])
 687 AC_COMPILE_IFELSE(
 688   [AC_LANG_PROGRAM([[#include <osg/CullSettings>]],
 689     [[osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;]])],
 690   [AC_DEFINE([HAVE_CULLSETTINGS_CLEAR_MASK],1,[define if OSG has CullSettings::CLEAR_MASK])
 691    AC_MSG_RESULT([yes])],
 692   [AC_MSG_RESULT([no])])
 693
 694 # Special handling for static version of OSG
 695 if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_LIBRARY_STATIC" 2>/dev/null`" ; then
 696     saved_LIBS="$LIBS"
 697     LIBS=""
 698     #***** Check image support (needed for static build) *****
 699     AC_SEARCH_LIBS([jpeg_read_header], [jpeg], [CPPFLAGS="$CPPFLAGS -DOSG_JPEG_ENABLED"])
 700     AC_SEARCH_LIBS([png_read_image], [png 'png -lz'], [CPPFLAGS="$CPPFLAGS -DOSG_PNG_ENABLED"])
 701     AC_SEARCH_LIBS([TIFFOpen], [tiff], [CPPFLAGS="$CPPFLAGS -DOSG_TIFF_ENABLED"])
 702     img_LIBS="$LIBS"
 703     LIBS="$saved_LIBS"
 704
 705     if test "x$with_osg" != "x" ; then
 706         osg_prefix="$with_osg"
 707     else
 708         osg_prefix="/usr"
 709     fi
 710     PKG_CHECK_EXISTS([openscenegraph], [osg_version="`$PKG_CONFIG --modversion openscenegraph 2>/dev/null`"])
 711     LIBS="-L$osg_prefix/lib/osgPlugins-$osg_version -losgdb_bmp -losgdb_dds -losgdb_hdr -losgdb_pic -losgdb_pnm -losgdb_rgb -losgdb_tga \
 712                                                           -losgdb_3ds -losgdb_ac -losgdb_ive -losgdb_osg -losgdb_txf \
 713                                                           -losgVolume -losgTerrain $LIBS -losgUtil"
 714
 715     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_JPEG_ENABLED" 2>/dev/null`" ; then
 716       LIBS="$LIBS -losgdb_jpeg"
 717     fi
 718     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_PNG_ENABLED" 2>/dev/null`" ; then
 719       LIBS="$LIBS -losgdb_png"
 720     fi
 721     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_TIFF_ENABLED" 2>/dev/null`" ; then
 722       LIBS="$LIBS -losgdb_tiff"
 723     fi
 724
 725     LIBS="$LIBS $img_LIBS"
 726 fi
 727
 728 AC_LANG_POP
 729
 730 dnl Check for system installed zlib
 731 AC_CHECK_HEADER(zlib.h)
 732 if test "x$ac_cv_header_zlib_h" != "xyes"; then
 733     echo
 734     echo "zlib library not found."
 735     echo
 736     echo "If your OS does not provide an installable package for zlib"
 737     echo "you will have to compile and install it first yourself.  A copy"
 738     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
 739     echo "have to untar this source code, and follow it's included instructions"
 740     echo "to compile and install on your system."
 741     echo
 742     echo "configure aborted."
 743     echo
 744 fi
 745
 746 dnl Check for Subversion library support
 747 save_LIBS=$LIBS
 748 save_CPPFLAGS=$CPPFLAGS
 749 LIBS=""
 750 CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes`"
 751 AC_CHECK_LIB(svn_client-1, svn_client_checkout3)
 752 AC_CHECK_HEADERS([svn_client.h glut.h])
 753 if test "x$ac_cv_header_svn_client_h" != "xyes"; then
 754   echo "TerraSync will shell out for command line subversion"
 755   svn_LIBS=""
 756   svn_CPPFLAGS=""
 757 else
 758   echo "TerraSync will use integrated subversion library"
 759   AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
 760   svn_LIBS=$LIBS
 761   svn_CPPFLAGS=$CPPFLAGS
 762   AC_SUBST(svn_LIBS)
 763   AC_SUBST(svn_CPPFLAGS)
 764 fi
 765 LIBS=$save_LIBS
 766 CPPFLAGS=$save_CPPFLAGS
 767
 768 AC_MSG_CHECKING([for feenableexcept])
 769 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define _GNU_SOURCE
 770 #include <fenv.h>]], [[feenableexcept(FE_DIVBYZERO)]])],
 771 [AC_DEFINE([HAVE_FEENABLEEXCEPT], 1, [define if system has fenableexcept])],
 772 AC_MSG_RESULT([yes]),
 773 AC_MSG_RESULT([no]))
 774
 775 dnl Checks for header files.
 776 AC_HEADER_STDC
 777 AC_CHECK_HEADERS( \
 778         fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
 779         sys/time.h sys/timeb.h unistd.h windows.h values.h )
 780
 781 dnl Checks for typedefs, structures, and compiler characteristics.
 782 AC_C_CONST
 783 AC_TYPE_SIZE_T
 784 AC_HEADER_TIME
 785 AC_STRUCT_TM
 786
 787 dnl Checks for library functions.
 788 old_LIBS=$LIBS
 789 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 790 AC_TYPE_SIGNAL
 791 AC_FUNC_VPRINTF
 792 AC_CHECK_FUNCS( [ \
 793         ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
 794         random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
 795         truncf ] )
 796 LIBS=$old_LIBS
 797
 798 AM_CONFIG_HEADER(src/Include/config.h)
 799
 800 AC_CONFIG_FILES([ \
 801         Makefile \
 802         man/Makefile \
 803         man/est-epsilon.1 \
 804         man/fgfs.1 \
 805         man/fgjs.1 \
 806         man/gl-info.1 \
 807         man/js_demo.1 \
 808         man/pstest.1 \
 809         scripts/Makefile \
 810         scripts/debug/Makefile \
 811         scripts/perl/Makefile \
 812         scripts/perl/examples/Makefile \
 813         scripts/python/Makefile \
 814         src/Makefile \
 815         src/Include/Makefile \
 816         src/Include/version.h \
 817         src/Include/config.h-msvc6 \
 818         src/Include/config.h-msvc71 \
 819         src/Include/config.h-msvc8 \
 820         src/Include/config.h-msvc90 \
 821         src/Aircraft/Makefile \
 822         src/Airports/Makefile \
 823         src/ATC/Makefile \
 824         src/ATCDCL/Makefile \
 825         src/Autopilot/Makefile \
 826         src/Cockpit/Makefile \
 827         src/Cockpit/built_in/Makefile \
 828         src/Environment/Makefile \
 829         src/FDM/ExternalNet/Makefile \
 830         src/FDM/ExternalPipe/Makefile \
 831         src/FDM/JSBSim/Makefile \
 832         src/FDM/JSBSim/initialization/Makefile \
 833         src/FDM/JSBSim/input_output/Makefile \
 834         src/FDM/JSBSim/math/Makefile \
 835         src/FDM/JSBSim/models/Makefile \
 836         src/FDM/JSBSim/models/flight_control/Makefile \
 837         src/FDM/JSBSim/models/atmosphere/Makefile \
 838         src/FDM/JSBSim/models/propulsion/Makefile \
 839         src/FDM/LaRCsim/Makefile \
 840         src/FDM/SP/Makefile \
 841         src/FDM/UIUCModel/Makefile \
 842         src/FDM/YASim/Makefile \
 843         src/FDM/Makefile \
 844         src/GUI/Makefile \
 845         src/Input/Makefile \
 846         src/Instrumentation/Makefile \
 847         src/Instrumentation/KLN89/Makefile \
 848         src/Instrumentation/HUD/Makefile \
 849         src/Main/Makefile \
 850         src/Main/runfgfs \
 851         src/Main/runfgfs.bat \
 852         src/Model/Makefile \
 853         src/AIModel/Makefile \
 854         src/MultiPlayer/Makefile \
 855         src/Navaids/Makefile \
 856         src/Network/Makefile \
 857         src/Scenery/Makefile \
 858         src/Scripting/Makefile \
 859         src/Sound/Makefile \
 860         src/Systems/Makefile \
 861         src/Time/Makefile \
 862         src/Traffic/Makefile \
 863         tests/Makefile \
 864         utils/Makefile \
 865         utils/GPSsmooth/Makefile \
 866         utils/fgadmin/Makefile
 867         utils/fgadmin/src/Makefile \
 868         utils/js_server/Makefile \
 869         utils/Modeller/Makefile \
 870         utils/propmerge/Makefile \
 871         utils/TerraSync/Makefile \
 872         utils/xmlgrep/Makefile \
 873         utils/fgviewer/Makefile
 874 ])
 875 AC_OUTPUT
 876
 877 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
 878
 879 echo ""
 880 echo "Configure Summary"
 881 echo "================="
 882
 883 echo "Prefix: $prefix"
 884
 885 if test "x$with_logging" != "x"; then
 886     echo "Debug messages: $with_logging"
 887 else
 888     echo "Debug messages: yes"
 889 fi
 890
 891 echo -n "Automake version: "
 892 automake --version | head -n 1
 893
 894 if test "x$with_multiplayer" != "xno"; then
 895     echo "Building with multiplayer support"
 896 fi
 897
 898 if test "x$with_threads" = "xyes"; then
 899     echo "threads: yes"
 900 else
 901     echo "threads: no"
 902 fi
 903
 904 if test "x$with_eventinput" = "xyes"; then
 905     echo "event input: yes"
 906 else
 907     echo "event input: no"
 908 fi
 909
 910 if test "x$enable_sp_fdms" != "xno"; then
 911     echo "Include special purpose flight models: yes"
 912 else
 913     echo "Include special purpose flight models: no"
 914 fi
 915
 916 if test "x$enable_atcdcl" != "xno"; then
 917     echo "Build depricated ATC/AI module: yes"
 918 else
 919     echo "Build depricated ATC/AI module: no"
 920 fi