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