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/Airports/simple.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 $host variable based on local machine/os
  12 AC_CANONICAL_TARGET
  13 AM_INIT_AUTOMAKE(FlightGear, 2.0.0)
  14
  15 dnl Checks for programs.
  16 AC_PROG_MAKE_SET
  17 AC_PROG_CC
  18 AC_PROG_CPP
  19 AC_PROG_CXX
  20 AC_PROG_CXXCPP
  21 AC_PROG_RANLIB
  22 AC_PROG_INSTALL
  23 AC_PROG_LN_S
  24 AX_BOOST_BASE([1.37.0])
  25
  26 # Show all compiler warnings by default
  27 CXXFLAGS="$CXXFLAGS -Wall"
  28 CFLAGS="$CFLAGS -Wall"
  29
  30 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
  31    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  32 fi
  33
  34 # specify the simgear location
  35 AC_ARG_WITH(simgear, [  --with-simgear=PREFIX   Specify the prefix path to SimGear])
  36
  37 if test "x$with_simgear" != "x" ; then
  38     echo "SimGear prefix path is $with_simgear"
  39     EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
  40     CXXFLAGS="$CXXFLAGS -I$with_simgear"
  41 fi
  42
  43 # specify the plib location
  44 AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
  45
  46 if test "x$with_plib" != "x" ; then
  47     echo "plib prefix is $with_plib"
  48     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
  49 fi
  50
  51 # specify the osg location
  52 AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
  53
  54 if test "x$with_osg" != "x" ; then
  55     echo "osg prefix is $with_osg"
  56     EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
  57 fi
  58
  59 # specify framework related locations for Mac OS X
  60 case "${host}" in
  61 *-apple-darwin*)
  62
  63     dnl Thank you Christian Bauer from SheepSaver
  64     dnl Modified by Tatsuhiro Nishioka for accepting a given framework path
  65     dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES, $3=FRAMEWORK_PATH, $4=ACTION_IF_FOUND) ;
  66     AC_DEFUN([AC_CHECK_FRAMEWORK], [
  67     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
  68     AC_CACHE_CHECK([whether compiler supports framework $1],
  69         ac_Framework, [
  70         saved_LIBS="$LIBS"
  71         FRAMEWORKS="$FRAMEWORKS -framework $1"
  72         if test "$3" = ""; then
  73             FRAMEWORKS="$FRAMEWORKS $ADD2LD"
  74         elif test "`echo $FRAMEWORKS | grep -- -F$3`" = ""; then
  75             FRAMEWORKS="$FRAMEWORKS -F$3"
  76             CXXFLAGS="$CXXFLAGS -F$3"
  77             CCFLAGS="$CCFLAGS -F$3"
  78             CPPFLAGS="$CPPFLAGS -F$3"
  79             dnl This is needed for AC_TRY_LINK when a framework path is specified
  80             export DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH}:$3"
  81         fi
  82         AC_TRY_LINK(
  83         [$2], [],
  84         [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
  85         )
  86     ])
  87     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
  88         [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
  89     )
  90     AS_IF([test AS_VAR_GET(ac_Framework) = yes], $4)
  91     AS_VAR_POPDEF([ac_Framework])dnl
  92     ])
  93
  94     # Mac OS X specific configure options
  95     AC_ARG_WITH(cocoa_framework, [  --with-cocoa-framework         Use the Cocoa rather than Carbon])
  96     if test "x$with_cocoa_framework" != "x" ; then
  97         macAPI=Cocoa
  98         AC_MSG_NOTICE([Using Cocoa framework])
  99     else
 100         macAPI=Carbon
 101         AC_MSG_NOTICE([Using Carbon framework])
 102     fi
 103
 104     AC_ARG_WITH(osg_framework, [  --with-osg-framework=PREFIX    Specify the prefix path to osg frameworks [default=standard framework paths]])
 105     if test "x$with_osg_framework" != "x" ; then
 106         echo "osg prefix is $with_osg_framework"
 107         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
 108     fi
 109
 110     AC_ARG_WITH(plib_framework, [  --with-plib-framework=PREFIX   Specify the prefix path to PLIB framework [default=standard framework paths]])
 111     if test "x$with_plib_framework" != "x" ; then
 112         echo "plib prefix is $with_plib_framework"
 113         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_plib_framework"
 114     fi
 115
 116     AC_ARG_WITH(alut_framework, [  --with-alut-framework=PREFIX   Specify the prefix path to ALUT.framework ])
 117     if test "x$with_alut_framework" != "x"; then
 118         echo "ALUT framework prefix is $with_alut_framework"
 119     fi
 120
 121     ;;
 122 esac
 123
 124 dnl Determine an extra directories to add to include/lib search paths
 125 case "${host}" in
 126 *-apple-darwin* | *-*-mingw32*)
 127     echo no EXTRA_DIRS for $host
 128     ;;
 129
 130 *-*-cygwin*)
 131     if test -d /usr/local ; then
 132         EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
 133     fi
 134     ;;
 135
 136 *)
 137     if test -d /usr/X11R6 ; then
 138         EXTRA_DIR1="/usr/X11R6"
 139     fi
 140     if test -d /opt/X11R6 ; then
 141         EXTRA_DIR2="/opt/X11R6"
 142     fi
 143     EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local"
 144     ;;
 145
 146 esac
 147 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
 148
 149
 150 case "${host}" in
 151 *-*-irix*)
 152     if test "$CXX" = "CC"; then
 153         AR="CC -ar"
 154         ARFLAGS="-o"
 155         CXXFLAGS="$CXXFLAGS -c99 -I$with_simgear/include/simgear/compatibility"
 156         CFLAGS="$CFLAGS -c99"
 157     else
 158         AR="ar"
 159         ARFLAGS="cru"
 160     fi
 161     ;;
 162 *)
 163     AR="ar"
 164     ARFLAGS="cru"
 165     ;;
 166 esac
 167 AC_SUBST(AR)
 168 AC_SUBST(ARFLAGS)
 169
 170 dnl set logging; default value of with_logging=yes
 171 AC_ARG_WITH(logging, [  --with-logging          Include logging output (default)])
 172 if test "x$with_logging" = "xno" ; then
 173     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 174 fi
 175
 176 AC_ARG_ENABLE(sp_fdms, [  --enable-sp-fdms               Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
 177 if test "x$enable_sp_fdms" != "xno"; then
 178     AC_DEFINE([ENABLE_SP_FDM], 1, [Define to include special purpose FDMs])
 179 else
 180     AC_DEFINE([ENABLE_SP_FDM], 0, [Define to include special purpose FDMs])
 181 fi
 182 AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
 183
 184 # Specify whether we want to compile ATCDCL.
 185 # default to with_atcdcl=yes
 186 AC_ARG_ENABLE(atcdcl, [  --enable-atcdcl                Compile and link the deprecated atc/ai module], [], [enable_atcdcl="$enableval"] )
 187 if test "x$enable_atcdcl" = "xyes"; then
 188     AC_DEFINE([ENABLE_ATCDCL], 1, [Define to include old ATC/AI module])
 189 else
 190     AC_DEFINE([ENABLE_ATCDCL], 0, [Define to include old ATC/AI module])
 191 fi
 192 AM_CONDITIONAL(ENABLE_ATCDCL, test "x$enable_atcdcl" = "xyes")
 193
 194 dnl EXPERIMENTAL generic event driven input device
 195 # defaults to no
 196 AC_ARG_WITH(eventinput, [  --with-eventinput       Include event driven input (EXPERIMENTAL) [default=no]], [], [with_eventinput=no])
 197 if test "x$with_eventinput" = "xyes"; then
 198     AC_DEFINE([WITH_EVENTINPUT], 1, [Define to enable generic event driven input device])
 199     case "${host}" in
 200     dnl OS specific sources for event driven input
 201     dnl Linux and Mac OS X are supported at this moment
 202     *-apple-darwin*)
 203         eventinput_EXTRA_OBJS="FGMacOSXEventInput.o"
 204         eventinput_INCUDES=""
 205         eventinput_LIBS=""
 206         ;;
 207     *linux*)
 208         dnl
 209         dnl FIXME: include paths for dbus are hard-coded at this moment.
 210         dnl FIXME: these must be found in configure
 211         dnl
 212         eventinput_EXTRA_OBJS="FGLinuxEventInput.o"
 213         eventinput_INCLUDES="-I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/lib/dbus-1.0/include"
 214         eventinput_LIBS="-ldbus-1 -lhal"
 215         ;;
 216     *)
 217         echo "Event driven input is not supported on ${host}."
 218         ;;
 219     esac
 220     AC_SUBST(eventinput_EXTRA_OBJS)
 221     AC_SUBST(eventinput_INCLUDES)
 222     AC_SUBST(eventinput_LIBS)
 223 fi
 224 AM_CONDITIONAL(WITH_EVENTINPUT, test "x$with_eventinput" = "xyes")
 225
 226 dnl Thread related checks
 227 # defaults to yes
 228 AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=yes]], [], [with_threads=yes])
 229 if test "x$with_threads" = "xyes"; then
 230     AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
 231     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
 232     CFLAGS="$CFLAGS -D_REENTRANT"
 233 fi
 234 AC_CHECK_HEADER(pthread.h)
 235
 236 dnl Used by JSBSim to conditionally compile in fgfs interface code
 237 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 238
 239 # Check for MS Windows environment
 240 AC_CHECK_HEADER(windows.h)
 241
 242 dnl Using AM_CONDITIONAL is a step out of the protected little
 243 dnl automake fold so it is potentially dangerous.  But, we are
 244 dnl beginning to run into cases where the standard checks are not
 245 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 246 dnl build a Makefile.in from a Makefile.am which lets us define custom
 247 dnl includes, compile alternative source files, etc.
 248
 249 dnl Check for external variables daylight and timezone.
 250 AC_EXT_DAYLIGHT
 251 if test "$have_daylight" = yes; then
 252     AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
 253 fi
 254
 255 AC_EXT_TIMEZONE
 256 if test "$have_timezone" = yes; then
 257     AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
 258 fi
 259
 260
 261 dnl add joystick support libraries
 262 dnl search for FreeBSD library
 263 AC_SEARCH_LIBS(hid_init, usbhid)
 264 joystick_LIBS="$LIBS"
 265 LIBS=""
 266
 267
 268 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
 269 dnl just assuming we have audio support on all platform.  We can
 270 dnl depend on plib to hide the details.
 271 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
 272
 273 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 274 dnl to use it if it is.
 275 case "${host}" in
 276 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 277     echo no fancy X11 check
 278     ;;
 279
 280 *)
 281     AC_PATH_XTRA
 282     ;;
 283
 284 esac
 285
 286 dnl Checks for libraries.
 287
 288 dnl Thread related checks
 289 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
 290 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 291   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 292     CXXFLAGS="-pthread $CXXFLAGS"
 293     CFLAGS="-pthread $CFLAGS"
 294     LIBS="-lsgthreads $LIBS"
 295   fi
 296 fi
 297
 298 thread_LIBS="$LIBS"
 299 LIBS=""
 300
 301 dnl search for network related libraries
 302 AC_SEARCH_LIBS(inet_addr, xnet)
 303 AC_SEARCH_LIBS(socket, socket)
 304 AC_SEARCH_LIBS(main, nsl)
 305
 306 network_LIBS="$LIBS"
 307 LIBS=""
 308
 309 dnl check for some default libraries
 310 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
 311 AC_SEARCH_LIBS(ceil, m)
 312 AC_SEARCH_LIBS(dlclose, dl)
 313 AC_SEARCH_LIBS(clock_gettime, rt)
 314
 315 base_LIBS="$LIBS"
 316
 317 dnl Check for SDL or glut if enabled.
 318 AC_ARG_ENABLE(osgviewer, [  --enable-osgviewer             Configure to use osgViewer (default)], [enable_osgviewer="$enableval"])
 319 AC_ARG_ENABLE(sdl,  [  --enable-sdl                   Configure to use SDL], [enable_sdl="$enableval"])
 320 AC_ARG_ENABLE(glut, [  --enable-glut                  Configure to use GLUT], [enable_glut="$enableval"])
 321 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
 322 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
 323 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
 324    enable_osgviewer="yes"
 325 fi
 326 if test \( "x$enable_osgviewer" = "xyes" \
 327    -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
 328    -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
 329    echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
 330    echo " be supplied."
 331    exit
 332 fi
 333 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
 334
 335 AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug              Use OSG debug libraries], [enable_osgdebug="$enableval"])
 336
 337 dnl check for OpenGL related libraries
 338 case "${host}" in
 339 *-*-cygwin* | *-*-mingw32*)
 340     dnl CygWin under Windoze.
 341
 342     echo Win32 specific hacks...
 343     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 344     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 345
 346     if test "x$enable_sdl" = "xyes"; then
 347         AC_SEARCH_LIBS(SDL_Init, SDL)
 348     else
 349         LIBS="$LIBS -lglut32"
 350     fi
 351
 352     LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 353     joystick_LIBS="$joystick_LIBS -lwinmm"
 354
 355     dnl add -lwsock32 for mingwin
 356     case "${host}" in
 357     *-*-mingw32*)
 358         echo "********** BUILDING FOR MINGW32 *************"
 359         network_LIBS="$network_LIBS -lws2_32"
 360         ;;
 361     esac
 362
 363     echo "Will link apps with $LIBS"
 364     ;;
 365
 366
 367 *-apple-darwin*)
 368     dnl Mac OS X
 369
 370     LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework $macAPI -lobjc"
 371     LDFLAGS="$LDFLAGS -headerpad_max_install_names"
 372     joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
 373     ;;
 374
 375 *)
 376     dnl X-Windows based machines
 377
 378     dnl Skip X11 library tests if requested.
 379     if test "x$no_x" != "xyes"; then
 380         AC_SEARCH_LIBS(XCreateWindow, X11)
 381         AC_SEARCH_LIBS(XShmCreateImage, Xext)
 382         AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 383         AC_SEARCH_LIBS(IceOpenConnection, ICE)
 384         AC_SEARCH_LIBS(SmcOpenConnection, SM)
 385         AC_SEARCH_LIBS(XtMalloc, Xt)
 386         AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 387     fi
 388
 389     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 390     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 391         dnl if GLcore found, then also check for GL
 392         AC_SEARCH_LIBS(glXCreateContext, GL)
 393     fi
 394
 395     dnl if using mesa, check for xmesa.h
 396     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 397         AC_CHECK_HEADER(GL/fxmesa.h)
 398         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 399             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 400             AC_DEFINE([FX], 1, [Define for fxmesa])
 401         fi
 402     fi
 403
 404     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 405     AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
 406     if test "x$enable_sdl" = "xyes"; then
 407         AC_SEARCH_LIBS(SDL_Init, SDL)
 408     fi
 409     ;;
 410
 411 esac
 412
 413 opengl_LIBS="$LIBS"
 414 LIBS="$base_LIBS $joystick_LIBS"
 415
 416 dnl check for OpenAL libraries
 417 OPENAL_OK="no"
 418 ALUT_OK="no"
 419 case "${host}" in
 420 *-*-cygwin* | *-*-mingw32*)
 421     dnl CygWin under Windoze.
 422     INCLUDES="$INCLUDES -I/usr/local/include/"
 423     LIBS="$LIBS -L/usr/local/lib"
 424     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal 'openal -ldsound -lwinmm' ] )
 425     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 426     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 427     openal_LIBS="$LIBS"
 428     OPENAL_OK="$ac_cv_search_alGenBuffers"
 429     ALUT_OK="$ac_cv_search_alutInit"
 430     ;;
 431
 432 *-apple-darwin*)
 433     dnl Mac OS X
 434
 435     # Mac OS X has OpenAL.framework, but no ALUT, by default, so we
 436     # require use of a non-Apple ALUT.framework which we provide
 437     openal_LIBS="-framework IOKit -framework OpenAL"
 438
 439     AC_CHECK_FRAMEWORK(OpenAL, [#include <OpenAL/al.h>], "", [OPENAL_OK="yes"])
 440     AC_CHECK_FRAMEWORK(ALUT, [#include <ALUT/alut.h>], $with_alut_framework, [
 441         ALUT_OK="yes"
 442         openal_LIBS="$openal_LIBS -framework ALUT"
 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="`apr-1-config --link-ld`"
 751 CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes`"
 752 AC_CHECK_HEADERS([svn_client.h])
 753 if test "x$ac_cv_header_svn_client_h" != "xyes"; then
 754   echo "TerraSync will shell out for command line subversion"
 755   svn_LIBS=""
 756   svn_CPPFLAGS=""
 757 else
 758   echo "TerraSync will use integrated subversion library"
 759   AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
 760   AC_SEARCH_LIBS(svn_cmdline_init, svn_subr-1)
 761   svn_LIBS=$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/Aircraft/Makefile \
 819         src/Airports/Makefile \
 820         src/ATC/Makefile \
 821         src/ATCDCL/Makefile \
 822         src/Autopilot/Makefile \
 823         src/Cockpit/Makefile \
 824         src/Cockpit/built_in/Makefile \
 825         src/Environment/Makefile \
 826         src/FDM/ExternalNet/Makefile \
 827         src/FDM/ExternalPipe/Makefile \
 828         src/FDM/JSBSim/Makefile \
 829         src/FDM/JSBSim/initialization/Makefile \
 830         src/FDM/JSBSim/input_output/Makefile \
 831         src/FDM/JSBSim/math/Makefile \
 832         src/FDM/JSBSim/models/Makefile \
 833         src/FDM/JSBSim/models/flight_control/Makefile \
 834         src/FDM/JSBSim/models/atmosphere/Makefile \
 835         src/FDM/JSBSim/models/propulsion/Makefile \
 836         src/FDM/LaRCsim/Makefile \
 837         src/FDM/SP/Makefile \
 838         src/FDM/UIUCModel/Makefile \
 839         src/FDM/YASim/Makefile \
 840         src/FDM/Makefile \
 841         src/GUI/Makefile \
 842         src/Input/Makefile \
 843         src/Instrumentation/Makefile \
 844         src/Instrumentation/KLN89/Makefile \
 845         src/Instrumentation/HUD/Makefile \
 846         src/Main/Makefile \
 847         src/Main/runfgfs \
 848         src/Main/runfgfs.bat \
 849         src/Model/Makefile \
 850         src/AIModel/Makefile \
 851         src/MultiPlayer/Makefile \
 852         src/Navaids/Makefile \
 853         src/Network/Makefile \
 854         src/Scenery/Makefile \
 855         src/Scripting/Makefile \
 856         src/Sound/Makefile \
 857         src/Systems/Makefile \
 858         src/Time/Makefile \
 859         src/Traffic/Makefile \
 860         tests/Makefile \
 861         utils/Makefile \
 862         utils/GPSsmooth/Makefile \
 863         utils/fgadmin/Makefile
 864         utils/fgadmin/src/Makefile \
 865         utils/js_server/Makefile \
 866         utils/Modeller/Makefile \
 867         utils/propmerge/Makefile \
 868         utils/TerraSync/Makefile \
 869         utils/xmlgrep/Makefile \
 870         utils/fgviewer/Makefile
 871 ])
 872 AC_OUTPUT
 873
 874 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
 875
 876 echo ""
 877 echo "Configure Summary"
 878 echo "================="
 879
 880 echo "Prefix: $prefix"
 881
 882 if test "x$with_logging" != "x"; then
 883     echo "Debug messages: $with_logging"
 884 else
 885     echo "Debug messages: yes"
 886 fi
 887
 888 echo -n "Automake version: "
 889 automake --version | head -n 1
 890
 891 if test "x$with_multiplayer" != "xno"; then
 892     echo "Building with multiplayer support"
 893 fi
 894
 895 if test "x$with_threads" = "xyes"; then
 896     echo "threads: yes"
 897 else
 898     echo "threads: no"
 899 fi
 900
 901 if test "x$with_eventinput" = "xyes"; then
 902     echo "event input: yes"
 903 else
 904     echo "event input: no"
 905 fi
 906
 907 if test "x$enable_sp_fdms" != "xno"; then
 908     echo "Include special purpose flight models: yes"
 909 else
 910     echo "Include special purpose flight models: no"
 911 fi
 912
 913 if test "x$enable_atcdcl" = "xyes"; then
 914     echo "Build depricated ATC/AI module: yes"
 915 else
 916     echo "Build depricated ATC/AI module: no"
 917 fi
 918