configure.ac

   1 dnl Process this file with autogen.sh to produce a working configure
   2 dnl script.
   3
   4 AC_INIT(FlightGear, m4_esyscmd([cat ./version | tr -d '\n']), [http://www.flightgear.org])
   5
   6 dnl Ensure touching the version causes autoconf to re-run
   7 AC_SUBST([CONFIGURE_DEPENDENCIES], ['$(top_srcdir)/version'])
   8
   9 AC_CONFIG_SRCDIR([src/Airports/simple.cxx])
  10
  11 dnl Require at least automake 2.52
  12 AC_PREREQ(2.52)
  13
  14 dnl Initialize the automake stuff
  15 dnl set the $host variable based on local machine/os
  16 AC_CANONICAL_TARGET
  17 AM_INIT_AUTOMAKE([dist-bzip2])
  18
  19 # variables for version.h
  20 AC_DEFINE([HAVE_VERSION_H], 1, [Set if version.h is generated])
  21
  22 # are we running under Hudson? (defines BUILD_ID, BUILD_NUMBER in the environment)
  23 if test "x$BUILD_ID" != "x" ; then
  24     AC_SUBST([HUDSON_BUILD_ID], $BUILD_ID)
  25     AC_SUBST([HUDSON_BUILD_NUMBER], $BUILD_NUMBER)
  26 else
  27     AC_SUBST([HUDSON_BUILD_ID], [none])
  28     AC_SUBST([HUDSON_BUILD_NUMBER], 0)
  29 fi
  30
  31 AC_CHECK_PROG([HAVE_GIT], git, 1)
  32 if test "x$HAVE_GIT" != "x" ; then
  33     # git might be installed, but we might be building from a tarball
  34     if git rev-parse ; then
  35         AC_SUBST([REVISION], `git rev-parse HEAD`)
  36     else
  37         AC_SUBST([REVISION], [none])
  38     fi
  39 else
  40     AC_SUBST([REVISION], [none])
  41 fi
  42
  43 dnl Checks for programs.
  44 AC_PROG_MAKE_SET
  45 AC_PROG_CC
  46 AC_PROG_CPP
  47 AC_PROG_CXX
  48 AC_PROG_CXXCPP
  49 AC_PROG_RANLIB
  50 AC_PROG_INSTALL
  51 AC_PROG_LN_S
  52 AX_BOOST_BASE([1.37.0])
  53
  54 # Show all compiler warnings by default
  55 CXXFLAGS="$CXXFLAGS -Wall"
  56 CFLAGS="$CFLAGS -Wall"
  57
  58 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
  59    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  60 fi
  61
  62 # specify the simgear location
  63 AC_ARG_WITH(simgear, [  --with-simgear=PREFIX   Specify the prefix path to SimGear])
  64
  65 if test "x$with_simgear" != "x" ; then
  66     echo "SimGear prefix path is $with_simgear"
  67     EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
  68     CXXFLAGS="$CXXFLAGS -I$with_simgear"
  69 fi
  70
  71 # specify the plib location
  72 AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
  73
  74 if test "x$with_plib" != "x" ; then
  75     echo "plib prefix is $with_plib"
  76     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
  77 fi
  78
  79 # specify the osg location
  80 AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
  81
  82 if test "x$with_osg" != "x" ; then
  83     echo "osg prefix is $with_osg"
  84     EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
  85 fi
  86
  87 # specify framework related locations for Mac OS X
  88 case "${host}" in
  89 *-apple-darwin*)
  90
  91     dnl Thank you Christian Bauer from SheepSaver
  92     dnl Modified by Tatsuhiro Nishioka for accepting a given framework path
  93     dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES, $3=FRAMEWORK_PATH, $4=ACTION_IF_FOUND) ;
  94     AC_DEFUN([AC_CHECK_FRAMEWORK], [
  95     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
  96     AC_CACHE_CHECK([whether compiler supports framework $1],
  97         ac_Framework, [
  98         saved_LIBS="$LIBS"
  99         FRAMEWORKS="$FRAMEWORKS -framework $1"
 100         if test "$3" = ""; then
 101             FRAMEWORKS="$FRAMEWORKS $ADD2LD"
 102         elif test "`echo $FRAMEWORKS | grep -- -F$3`" = ""; then
 103             FRAMEWORKS="$FRAMEWORKS -F$3"
 104             CXXFLAGS="$CXXFLAGS -F$3"
 105             CCFLAGS="$CCFLAGS -F$3"
 106             CPPFLAGS="$CPPFLAGS -F$3"
 107             dnl This is needed for AC_TRY_LINK when a framework path is specified
 108             export DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH}:$3"
 109         fi
 110         AC_TRY_LINK(
 111         [$2], [],
 112         [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
 113         )
 114     ])
 115     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
 116         [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
 117     )
 118     AS_IF([test AS_VAR_GET(ac_Framework) = yes], $4)
 119     AS_VAR_POPDEF([ac_Framework])dnl
 120     ])
 121
 122     # Mac OS X specific configure options
 123     AC_ARG_WITH(cocoa_framework, [  --with-cocoa-framework         Use the Cocoa rather than Carbon])
 124     if test "x$with_cocoa_framework" != "x" ; then
 125         macAPI=Cocoa
 126         AC_MSG_NOTICE([Using Cocoa framework])
 127     else
 128         macAPI=Carbon
 129         AC_MSG_NOTICE([Using Carbon framework])
 130     fi
 131
 132     AC_ARG_WITH(osg_framework, [  --with-osg-framework=PREFIX    Specify the prefix path to osg frameworks [default=standard framework paths]])
 133     if test "x$with_osg_framework" != "x" ; then
 134         echo "osg prefix is $with_osg_framework"
 135         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
 136     fi
 137
 138     AC_ARG_WITH(plib_framework, [  --with-plib-framework=PREFIX   Specify the prefix path to PLIB framework [default=standard framework paths]])
 139     if test "x$with_plib_framework" != "x" ; then
 140         echo "plib prefix is $with_plib_framework"
 141         export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_plib_framework"
 142     fi
 143
 144     AC_ARG_WITH(alut_framework, [  --with-alut-framework=PREFIX   Specify the prefix path to ALUT.framework ])
 145     if test "x$with_alut_framework" != "x"; then
 146         echo "ALUT framework prefix is $with_alut_framework"
 147     fi
 148
 149     ;;
 150 esac
 151
 152 dnl Determine an extra directories to add to include/lib search paths
 153 case "${host}" in
 154 *-apple-darwin* | *-*-mingw32*)
 155     echo no EXTRA_DIRS for $host
 156     ;;
 157
 158 *-*-cygwin*)
 159     if test -d /usr/local ; then
 160         EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
 161     fi
 162     ;;
 163
 164 *)
 165     if test -d /usr/X11R6 ; then
 166         EXTRA_DIR1="/usr/X11R6"
 167     fi
 168     if test -d /opt/X11R6 ; then
 169         EXTRA_DIR2="/opt/X11R6"
 170     fi
 171     EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local"
 172     ;;
 173
 174 esac
 175 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
 176
 177
 178 case "${host}" in
 179 *-*-irix*)
 180     if test "$CXX" = "CC"; then
 181         AR="CC -ar"
 182         ARFLAGS="-o"
 183         CXXFLAGS="$CXXFLAGS -c99 -I$with_simgear/include/simgear/compatibility"
 184         CFLAGS="$CFLAGS -c99"
 185     else
 186         AR="ar"
 187         ARFLAGS="cru"
 188     fi
 189     ;;
 190 *)
 191     AR="ar"
 192     ARFLAGS="cru"
 193     ;;
 194 esac
 195 AC_SUBST(AR)
 196 AC_SUBST(ARFLAGS)
 197
 198 dnl set logging; default value of with_logging=yes
 199 AC_ARG_WITH(logging, [  --with-logging          Include logging output (default)])
 200 if test "x$with_logging" = "xno" ; then
 201     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 202 fi
 203
 204 AC_ARG_ENABLE(sp_fdms, [  --enable-sp-fdms               Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
 205 if test "x$enable_sp_fdms" != "xno"; then
 206     AC_DEFINE([ENABLE_SP_FDM], 1, [Define to include special purpose FDMs])
 207 else
 208     AC_DEFINE([ENABLE_SP_FDM], 0, [Define to include special purpose FDMs])
 209 fi
 210 AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
 211
 212 dnl EXPERIMENTAL generic event driven input device
 213 # defaults to no
 214 AC_ARG_WITH(eventinput, [  --with-eventinput       Include event driven input (EXPERIMENTAL) [default=no]], [], [with_eventinput=no])
 215 if test "x$with_eventinput" = "xyes"; then
 216     AC_DEFINE([WITH_EVENTINPUT], 1, [Define to enable generic event driven input device])
 217     case "${host}" in
 218     dnl OS specific sources for event driven input
 219     dnl Linux and Mac OS X are supported at this moment
 220     *-apple-darwin*)
 221         eventinput_EXTRA_OBJS="FGMacOSXEventInput.o"
 222         eventinput_INCUDES=""
 223         eventinput_LIBS=""
 224         ;;
 225     *linux*)
 226         dnl
 227         dnl FIXME: include paths for dbus are hard-coded at this moment.
 228         dnl FIXME: these must be found in configure
 229         dnl
 230         eventinput_EXTRA_OBJS="FGLinuxEventInput.o"
 231         eventinput_INCLUDES="-I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/lib/dbus-1.0/include"
 232         eventinput_LIBS="-ldbus-1 -lhal"
 233         ;;
 234     *)
 235         echo "Event driven input is not supported on ${host}."
 236         ;;
 237     esac
 238     AC_SUBST(eventinput_EXTRA_OBJS)
 239     AC_SUBST(eventinput_INCLUDES)
 240     AC_SUBST(eventinput_LIBS)
 241 fi
 242 AM_CONDITIONAL(WITH_EVENTINPUT, test "x$with_eventinput" = "xyes")
 243
 244 dnl Thread related checks
 245 # defaults to yes
 246 AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=yes]], [], [with_threads=yes])
 247 if test "x$with_threads" = "xyes"; then
 248     AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
 249     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
 250     CFLAGS="$CFLAGS -D_REENTRANT"
 251 fi
 252 AC_CHECK_HEADER(pthread.h)
 253
 254 dnl Used by JSBSim to conditionally compile in fgfs interface code
 255 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 256
 257 # Check for MS Windows environment
 258 AC_CHECK_HEADER(windows.h)
 259
 260 dnl Using AM_CONDITIONAL is a step out of the protected little
 261 dnl automake fold so it is potentially dangerous.  But, we are
 262 dnl beginning to run into cases where the standard checks are not
 263 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 264 dnl build a Makefile.in from a Makefile.am which lets us define custom
 265 dnl includes, compile alternative source files, etc.
 266
 267 dnl Check for external variables daylight and timezone.
 268 AC_EXT_DAYLIGHT
 269 if test "$have_daylight" = yes; then
 270     AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
 271 fi
 272
 273 AC_EXT_TIMEZONE
 274 if test "$have_timezone" = yes; then
 275     AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
 276 fi
 277
 278
 279 dnl add joystick support libraries
 280 dnl search for FreeBSD library
 281 AC_SEARCH_LIBS(hid_init, usbhid)
 282 joystick_LIBS="$LIBS"
 283 LIBS=""
 284
 285
 286 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
 287 dnl just assuming we have audio support on all platform.  We can
 288 dnl depend on plib to hide the details.
 289 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
 290
 291 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 292 dnl to use it if it is.
 293 case "${host}" in
 294 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 295     echo no fancy X11 check
 296     ;;
 297
 298 *)
 299     AC_PATH_XTRA
 300     ;;
 301
 302 esac
 303
 304 dnl Checks for libraries.
 305
 306 dnl Thread related checks
 307 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
 308 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 309   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 310     CXXFLAGS="-pthread $CXXFLAGS"
 311     CFLAGS="-pthread $CFLAGS"
 312     LIBS="-lsgthreads $LIBS"
 313   fi
 314 fi
 315
 316 thread_LIBS="$LIBS"
 317 LIBS=""
 318
 319 dnl search for network related libraries
 320 AC_SEARCH_LIBS(inet_addr, xnet)
 321 AC_SEARCH_LIBS(socket, socket)
 322 AC_SEARCH_LIBS(main, nsl)
 323
 324 network_LIBS="$LIBS"
 325 LIBS=""
 326
 327 dnl check for some default libraries
 328 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
 329 AC_SEARCH_LIBS(ceil, m)
 330 AC_SEARCH_LIBS(dlclose, dl)
 331 AC_SEARCH_LIBS(clock_gettime, rt)
 332
 333 base_LIBS="$LIBS"
 334
 335 dnl Check for SDL or glut if enabled.
 336 AC_ARG_ENABLE(osgviewer, [  --enable-osgviewer             Configure to use osgViewer (default)], [enable_osgviewer="$enableval"])
 337 AC_ARG_ENABLE(sdl,  [  --enable-sdl                   Configure to use SDL], [enable_sdl="$enableval"])
 338 AC_ARG_ENABLE(glut, [  --enable-glut                  Configure to use GLUT], [enable_glut="$enableval"])
 339 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
 340 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
 341 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
 342    enable_osgviewer="yes"
 343 fi
 344 if test \( "x$enable_osgviewer" = "xyes" \
 345    -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
 346    -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
 347    echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
 348    echo " be supplied."
 349    exit
 350 fi
 351 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
 352
 353 AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug              Use OSG debug libraries], [enable_osgdebug="$enableval"])
 354
 355 dnl check for OpenGL related libraries
 356 case "${host}" in
 357 *-*-cygwin* | *-*-mingw32*)
 358     dnl CygWin under Windoze.
 359
 360     echo Win32 specific hacks...
 361     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 362     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 363
 364     if test "x$enable_sdl" = "xyes"; then
 365         AC_SEARCH_LIBS(SDL_Init, SDL)
 366     else
 367         LIBS="$LIBS -lglut32"
 368     fi
 369
 370     LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 371     joystick_LIBS="$joystick_LIBS -lwinmm"
 372
 373     dnl add -lwsock32 for mingwin
 374     case "${host}" in
 375     *-*-mingw32*)
 376         echo "********** BUILDING FOR MINGW32 *************"
 377         network_LIBS="$network_LIBS -lws2_32"
 378         ;;
 379     esac
 380
 381     echo "Will link apps with $LIBS"
 382     ;;
 383
 384
 385 *-apple-darwin*)
 386     dnl Mac OS X
 387
 388     LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework $macAPI -lobjc"
 389     LDFLAGS="$LDFLAGS -headerpad_max_install_names"
 390     joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
 391     ;;
 392
 393 *)
 394     dnl X-Windows based machines
 395
 396     dnl Skip X11 library tests if requested.
 397     if test "x$no_x" != "xyes"; then
 398         AC_SEARCH_LIBS(XCreateWindow, X11)
 399         AC_SEARCH_LIBS(XShmCreateImage, Xext)
 400         AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 401         AC_SEARCH_LIBS(IceOpenConnection, ICE)
 402         AC_SEARCH_LIBS(SmcOpenConnection, SM)
 403         AC_SEARCH_LIBS(XtMalloc, Xt)
 404         AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 405     fi
 406
 407     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 408     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 409         dnl if GLcore found, then also check for GL
 410         AC_SEARCH_LIBS(glXCreateContext, GL)
 411     fi
 412
 413     dnl if using mesa, check for xmesa.h
 414     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 415         AC_CHECK_HEADER(GL/fxmesa.h)
 416         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 417             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 418             AC_DEFINE([FX], 1, [Define for fxmesa])
 419         fi
 420     fi
 421
 422     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 423     AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
 424     if test "x$enable_sdl" = "xyes"; then
 425         AC_SEARCH_LIBS(SDL_Init, SDL)
 426     fi
 427     ;;
 428
 429 esac
 430
 431 opengl_LIBS="$LIBS"
 432 LIBS="$base_LIBS $joystick_LIBS"
 433
 434 dnl check for OpenAL libraries
 435 OPENAL_OK="no"
 436 ALUT_OK="no"
 437 case "${host}" in
 438 *-*-cygwin* | *-*-mingw32*)
 439     dnl CygWin under Windoze.
 440     INCLUDES="$INCLUDES -I/usr/local/include/"
 441     LIBS="$LIBS -L/usr/local/lib"
 442     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal 'openal -ldsound -lwinmm' ] )
 443     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 444     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 445     openal_LIBS="$LIBS"
 446     OPENAL_OK="$ac_cv_search_alGenBuffers"
 447     ALUT_OK="$ac_cv_search_alutInit"
 448     ;;
 449
 450 *-apple-darwin*)
 451     dnl Mac OS X
 452
 453     # Mac OS X has OpenAL.framework, but no ALUT, by default, so we
 454     # require use of a non-Apple ALUT.framework which we provide
 455     openal_LIBS="-framework IOKit -framework OpenAL"
 456
 457     AC_CHECK_FRAMEWORK(OpenAL, [#include <OpenAL/al.h>], "", [OPENAL_OK="yes"])
 458     AC_CHECK_FRAMEWORK(ALUT, [#include <ALUT/alut.h>], $with_alut_framework, [
 459         ALUT_OK="yes"
 460         openal_LIBS="$openal_LIBS -framework ALUT"
 461     ])
 462     ;;
 463
 464 *)
 465     dnl default unix style machines
 466
 467     save_LIBS=$LIBS
 468     LIBS="$LIBS $thread_LIBS"
 469     AC_SEARCH_LIBS(alGenBuffers, openal)
 470     AC_SEARCH_LIBS(alutInit, [ alut openal ] )
 471     OPENAL_OK="$ac_cv_search_alGenBuffers"
 472     ALUT_OK="$ac_cv_search_alutInit"
 473     openal_LIBS="$LIBS"
 474     LIBS=$save_LIBS
 475     ;;
 476
 477 esac
 478
 479 if test "$OPENAL_OK" == "no"; then
 480     echo
 481     echo "You *must* have the openal library installed on your system to build"
 482     echo "SimGear!"
 483     echo
 484     echo "Please see README.OpenAL for more details."
 485     echo
 486     echo "configure aborted."
 487     exit
 488 fi
 489
 490 if test "$ALUT_OK" == "no"; then
 491     echo
 492     echo "You *must* have the alut library installed on your system to build"
 493     echo "SimGear!"
 494     echo
 495     echo "Please see README.OpenAL for more details."
 496     echo
 497     echo "configure aborted."
 498     exit
 499 fi
 500
 501
 502 LIBS="$base_LIBS"
 503
 504 AC_SUBST(base_LIBS)
 505 AC_SUBST(openal_LIBS)
 506 AC_SUBST(opengl_LIBS)
 507 AC_SUBST(thread_LIBS)
 508 AC_SUBST(network_LIBS)
 509 AC_SUBST(joystick_LIBS)
 510
 511 # The following are C++ items that need to be tested for with the c++
 512 # compiler
 513
 514 AC_LANG_PUSH(C++)
 515
 516 dnl Check for the presence of SimGear
 517 if test "x$with_simgear" != "x"; then
 518 AC_CHECK_HEADER($with_simgear/include/simgear/version.h, [ac_cv_header_simgear_version_h=yes], [ac_cv_header_simgear_version_h=no])
 519 else
 520 AC_CHECK_HEADER(simgear/version.h)
 521 fi
 522 if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
 523     echo
 524     echo "You *must* have the SimGear support library installed on your system"
 525     echo "to build the FGFS simulator!"
 526     echo
 527     echo "Please see README.SimGear for more details."
 528     echo
 529     echo "configure aborted."
 530     exit
 531 fi
 532
 533 AC_MSG_CHECKING([for SimGear 2.0.0 or newer])
 534 AC_TRY_RUN([
 535 #include <stdio.h>
 536
 537 #include <simgear/version.h>
 538
 539 #define STRINGIFY(X) XSTRINGIFY(X)
 540 #define XSTRINGIFY(X) #X
 541
 542 #define MIN_MAJOR 2
 543 #define MIN_MINOR 0
 544 #define MIN_MICRO 0
 545
 546 int main() {
 547     int major, minor, micro;
 548
 549     /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
 550     printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
 551
 552     sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, &micro );
 553
 554     if ( (major < MIN_MAJOR) ||
 555          (major == MIN_MAJOR && minor < MIN_MINOR) ||
 556          (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
 557          return -1;
 558     }
 559
 560     return 0;
 561 }
 562
 563 ],
 564   AC_MSG_RESULT(yes),
 565   [AC_MSG_RESULT(wrong version);
 566    AC_MSG_ERROR([Install latest SimGear first...])],
 567   AC_MSG_RESULT(yes)
 568 )
 569
 570 LIBS="$saved_LIBS"
 571
 572 dnl Check if SimGear was built with Norman's JPEG factory support
 573 if test "x$with_simgear" != "x"; then
 574 AC_CHECK_HEADER($with_simgear/include/simgear/screen/jpgfactory.hxx,[ac_cv_header_simgear_screen_jpgfactory_hxx=yes],[ac_cv_header_simgear_screen_jpgfactory_hxx=no])
 575 else
 576 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
 577 fi
 578 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
 579     AC_CHECK_LIB(jpeg, jpeg_start_compress)
 580     if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
 581         echo
 582         echo "The JPEG factory code was built and installed with SimGear."
 583         echo "However it appears the libjpeg is no longer installed."
 584         echo "You need to install libjpeg or remove jpgfactory support from"
 585         echo "SimGear"
 586         echo
 587         echo "libjpeg is available at :"
 588         echo "  ftp://ftp.uu.net in the directory graphics/jpeg"
 589         exit 1
 590     fi
 591     AC_DEFINE([FG_JPEG_SERVER], 1,
 592               [Define to build with jpeg screen shot server])
 593 fi
 594 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes")
 595
 596 # Check for "plib" without which we cannot go on
 597 case "${host}" in
 598 *-apple-darwin*)
 599     if test "x$with_plib_framework" != "x"; then
 600         AC_CHECK_FRAMEWORK(PLIB, [#include <plib/ul.h>], $with_plib_framework, no)
 601         plib_FRAMEWORK="$FRAMEWORKS"
 602         AC_SUBST(plib_FRAMEWORK)
 603         FRAMEWORKS=""
 604     fi
 605     ;;
 606 esac
 607 AM_CONDITIONAL(HAVE_FRAMEWORK_PLIB, test "x$ac_cv_framework_PLIB" != "x")
 608
 609 AC_CHECK_HEADER(plib/ul.h)
 610 if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
 611     echo
 612     echo "You *must* have the plib library installed on your system to build"
 613     echo "the FGFS simulator!"
 614     echo
 615     echo "Please see README.plib for more details."
 616     echo
 617     echo "configure aborted."
 618     exit
 619 fi
 620
 621 echo "$DYLD_FRAMEWORK_PATH"
 622 AC_MSG_CHECKING([for plib 1.8.5 or newer])
 623 AC_TRY_RUN([
 624 #include <plib/ul.h>
 625
 626 #define MIN_PLIB_VERSION 185
 627
 628 int main() {
 629     if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
 630          return -1;
 631     }
 632
 633     return 0;
 634 }
 635
 636 ],
 637   AC_MSG_RESULT(yes),
 638   [AC_MSG_RESULT(wrong version);
 639    AC_MSG_ERROR([Install plib 1.8.5 or later first...])],
 640   AC_MSG_RESULT(yes)
 641 )
 642
 643 dnl If we get here then plib is available, so force use of plib
 644 dnl joystick lib
 645 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
 646
 647 # Find the OSG libraries.  Note special handling for OS X frameworks
 648 if test "x$with_osg_framework" = "x"; then
 649     if test "x$enable_osgdebug" = "xyes"; then
 650         AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 651         AC_CHECK_LIB(osgd,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 652         AC_CHECK_LIB(osgUtild,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 653         AC_CHECK_LIB(osgDBd,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 654         AC_CHECK_LIB(osgTextd,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 655         AC_CHECK_LIB(osgGAd,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 656         AC_CHECK_LIB(osgViewerd,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 657         AC_CHECK_LIB(osgSimd,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 658         AC_CHECK_LIB(osgParticled,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 659         AC_CHECK_LIB(osgFXd, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 660     else
 661         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 662         AC_CHECK_LIB(osg,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 663         AC_CHECK_LIB(osgUtil,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 664         AC_CHECK_LIB(osgDB,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 665         AC_CHECK_LIB(osgText,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 666         AC_CHECK_LIB(osgGA,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 667         AC_CHECK_LIB(osgViewer,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 668         AC_CHECK_LIB(osgSim,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 669         AC_CHECK_LIB(osgParticle,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 670         AC_CHECK_LIB(osgFX, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 671     fi
 672 else
 673     # Checking osg frameworks.
 674     AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>], $with_osg_framework)
 675     AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>], $with_osg_framework)
 676     AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>], $with_osg_framework)
 677     AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>], $with_osg_framework)
 678     AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>], $with_osg_framework)
 679     AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>], $with_osg_framework)
 680     AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>], $with_osg_framework)
 681     AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>], $with_osg_framework)
 682     AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>], $with_osg_framework)
 683     osg_FRAMEWORKS="$FRAMEWORKS"
 684     FRAMEWORKS=""
 685     AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>], $with_osg_framework)
 686     openthreads_FRAMEWORK="$FRAMEWORKS"
 687     AC_SUBST(osg_FRAMEWORKS)
 688     AC_SUBST(openthreads_FRAMEWORK)
 689 fi
 690 AM_CONDITIONAL(HAVE_FRAMEWORK_OSG, test "x$ac_cv_framework_osg" != "x")
 691
 692 AC_CHECK_HEADER(osg/Version)
 693 if test "x$ac_cv_header_osg_Version" != "xyes"; then
 694     echo
 695     echo "You *must* have the OpenSceneGraph support library installed on your system"
 696     echo "to build the FGFS simulator!"
 697     echo
 698     echo "Please see README.OSG for more details."
 699     echo
 700     echo "configure aborted."
 701     exit
 702 fi
 703
 704
 705 AC_MSG_CHECKING([checking for osg::CullSettings::CLEAR_MASK])
 706 AC_COMPILE_IFELSE(
 707   [AC_LANG_PROGRAM([[#include <osg/CullSettings>]],
 708     [[osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;]])],
 709   [AC_DEFINE([HAVE_CULLSETTINGS_CLEAR_MASK],1,[define if OSG has CullSettings::CLEAR_MASK])
 710    AC_MSG_RESULT([yes])],
 711   [AC_MSG_RESULT([no])])
 712
 713 # Special handling for static version of OSG
 714 if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_LIBRARY_STATIC" 2>/dev/null`" ; then
 715     saved_LIBS="$LIBS"
 716     LIBS=""
 717     #***** Check image support (needed for static build) *****
 718     AC_SEARCH_LIBS([jpeg_read_header], [jpeg], [CPPFLAGS="$CPPFLAGS -DOSG_JPEG_ENABLED"])
 719     AC_SEARCH_LIBS([png_read_image], [png 'png -lz'], [CPPFLAGS="$CPPFLAGS -DOSG_PNG_ENABLED"])
 720     AC_SEARCH_LIBS([TIFFOpen], [tiff], [CPPFLAGS="$CPPFLAGS -DOSG_TIFF_ENABLED"])
 721     img_LIBS="$LIBS"
 722     LIBS="$saved_LIBS"
 723
 724     if test "x$with_osg" != "x" ; then
 725         osg_prefix="$with_osg"
 726     else
 727         osg_prefix="/usr"
 728     fi
 729     PKG_CHECK_EXISTS([openscenegraph], [osg_version="`$PKG_CONFIG --modversion openscenegraph 2>/dev/null`"])
 730     LIBS="-L$osg_prefix/lib/osgPlugins-$osg_version -losgdb_bmp -losgdb_dds -losgdb_hdr -losgdb_pic -losgdb_pnm -losgdb_rgb -losgdb_tga \
 731                                                           -losgdb_3ds -losgdb_ac -losgdb_ive -losgdb_osg -losgdb_txf \
 732                                                           -losgVolume -losgTerrain $LIBS -losgUtil"
 733
 734     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_JPEG_ENABLED" 2>/dev/null`" ; then
 735       LIBS="$LIBS -losgdb_jpeg"
 736     fi
 737     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_PNG_ENABLED" 2>/dev/null`" ; then
 738       LIBS="$LIBS -losgdb_png"
 739     fi
 740     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_TIFF_ENABLED" 2>/dev/null`" ; then
 741       LIBS="$LIBS -losgdb_tiff"
 742     fi
 743
 744     LIBS="$LIBS $img_LIBS"
 745 fi
 746
 747 AC_LANG_POP
 748
 749 dnl Check for system installed zlib
 750 AC_CHECK_HEADER(zlib.h)
 751 if test "x$ac_cv_header_zlib_h" != "xyes"; then
 752     echo
 753     echo "zlib library not found."
 754     echo
 755     echo "If your OS does not provide an installable package for zlib"
 756     echo "you will have to compile and install it first yourself.  A copy"
 757     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
 758     echo "have to untar this source code, and follow it's included instructions"
 759     echo "to compile and install on your system."
 760     echo
 761     echo "configure aborted."
 762     echo
 763 fi
 764
 765 dnl Check for Subversion library support
 766 # libsvn support defaults to yes
 767 save_LIBS=$LIBS
 768 save_CPPFLAGS=$CPPFLAGS
 769 AC_ARG_WITH(libsvn, [  --without-libsvn        Do not use libsvn for terrasync [default=no]], [], [with_libsvn=yes])
 770 if test "x$with_libsvn" = "xyes"; then
 771     LIBS="`apr-1-config --link-ld`"
 772     CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes --cppflags`"
 773     AC_CHECK_HEADERS([svn_client.h])
 774        if test "x$ac_cv_header_svn_client_h" = "xyes"; then
 775         echo "TerraSync will use libsvn"
 776         AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
 777         AC_SEARCH_LIBS(svn_cmdline_init, svn_subr-1)
 778         svn_LIBS=$LIBS
 779         svn_CPPFLAGS=$CPPFLAGS
 780         AC_SUBST(svn_LIBS)
 781         AC_SUBST(svn_CPPFLAGS)
 782        else
 783         echo "Libsvn not found. TerraSync will use command line subversion"
 784         svn_LIBS=""
 785         svn_CPPFLAGS=""
 786        fi
 787 else
 788 echo "Libsvn explicitly disabled. TerraSync will use command line subversion"
 789   svn_LIBS=""
 790   svn_CPPFLAGS=""
 791 fi
 792 LIBS=$save_LIBS
 793 CPPFLAGS=$save_CPPFLAGS
 794
 795 AC_MSG_CHECKING([for feenableexcept])
 796 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define _GNU_SOURCE
 797 #include <fenv.h>]], [[feenableexcept(FE_DIVBYZERO)]])],
 798 [AC_DEFINE([HAVE_FEENABLEEXCEPT], 1, [define if system has fenableexcept])],
 799 AC_MSG_RESULT([yes]),
 800 AC_MSG_RESULT([no]))
 801
 802 dnl Checks for header files.
 803 AC_HEADER_STDC
 804 AC_CHECK_HEADERS( \
 805         fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
 806         sys/time.h sys/timeb.h unistd.h windows.h values.h )
 807
 808 dnl Checks for typedefs, structures, and compiler characteristics.
 809 AC_C_CONST
 810 AC_TYPE_SIZE_T
 811 AC_HEADER_TIME
 812 AC_STRUCT_TM
 813
 814 dnl Checks for library functions.
 815 old_LIBS=$LIBS
 816 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 817 AC_TYPE_SIGNAL
 818 AC_FUNC_VPRINTF
 819 AC_CHECK_FUNCS( [ \
 820         ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
 821         random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
 822         truncf ] )
 823 LIBS=$old_LIBS
 824
 825 AM_CONFIG_HEADER(src/Include/config.h)
 826
 827 AC_CONFIG_FILES([ \
 828         Makefile \
 829         man/Makefile \
 830         man/est-epsilon.1 \
 831         man/fgfs.1 \
 832         man/fgjs.1 \
 833         man/gl-info.1 \
 834         man/js_demo.1 \
 835         man/pstest.1 \
 836         scripts/Makefile \
 837         scripts/debug/Makefile \
 838         scripts/perl/Makefile \
 839         scripts/perl/examples/Makefile \
 840         scripts/python/Makefile \
 841         src/Makefile \
 842         src/Include/Makefile \
 843         src/Include/version.h \
 844         src/Aircraft/Makefile \
 845         src/Airports/Makefile \
 846         src/ATC/Makefile \
 847         src/ATCDCL/Makefile \
 848         src/Autopilot/Makefile \
 849         src/Cockpit/Makefile \
 850         src/Cockpit/built_in/Makefile \
 851         src/Environment/Makefile \
 852         src/FDM/ExternalNet/Makefile \
 853         src/FDM/ExternalPipe/Makefile \
 854         src/FDM/JSBSim/Makefile \
 855         src/FDM/JSBSim/initialization/Makefile \
 856         src/FDM/JSBSim/input_output/Makefile \
 857         src/FDM/JSBSim/math/Makefile \
 858         src/FDM/JSBSim/models/Makefile \
 859         src/FDM/JSBSim/models/flight_control/Makefile \
 860         src/FDM/JSBSim/models/atmosphere/Makefile \
 861         src/FDM/JSBSim/models/propulsion/Makefile \
 862         src/FDM/LaRCsim/Makefile \
 863         src/FDM/SP/Makefile \
 864         src/FDM/UIUCModel/Makefile \
 865         src/FDM/YASim/Makefile \
 866         src/FDM/Makefile \
 867         src/GUI/Makefile \
 868         src/Input/Makefile \
 869         src/Instrumentation/Makefile \
 870         src/Instrumentation/KLN89/Makefile \
 871         src/Instrumentation/HUD/Makefile \
 872         src/Main/Makefile \
 873         src/Main/runfgfs \
 874         src/Main/runfgfs.bat \
 875         src/Model/Makefile \
 876         src/AIModel/Makefile \
 877         src/MultiPlayer/Makefile \
 878         src/Navaids/Makefile \
 879         src/Network/Makefile \
 880         src/Scenery/Makefile \
 881         src/Scripting/Makefile \
 882         src/Sound/Makefile \
 883         src/Systems/Makefile \
 884         src/Time/Makefile \
 885         src/Traffic/Makefile \
 886         tests/Makefile \
 887         utils/Makefile \
 888         utils/GPSsmooth/Makefile \
 889         utils/fgadmin/Makefile
 890         utils/fgadmin/src/Makefile \
 891         utils/js_server/Makefile \
 892         utils/Modeller/Makefile \
 893         utils/propmerge/Makefile \
 894         utils/TerraSync/Makefile \
 895         utils/xmlgrep/Makefile \
 896         utils/fgviewer/Makefile
 897 ])
 898 AC_OUTPUT
 899
 900 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
 901
 902 echo ""
 903 echo "Configure Summary"
 904 echo "================="
 905
 906 echo "Prefix: $prefix"
 907
 908 if test "x$with_logging" != "x"; then
 909     echo "Log messages: $with_logging"
 910 else
 911     echo "Log messages: yes"
 912 fi
 913
 914 echo -n "Automake version: "
 915 automake --version | head -n 1
 916
 917 if test "x$with_multiplayer" != "xno"; then
 918     echo "Building with multiplayer support"
 919 fi
 920
 921 if test "x$with_threads" = "xyes"; then
 922     echo "Threads: yes"
 923 else
 924     echo "Threads: no"
 925 fi
 926
 927 if test "x$with_eventinput" = "xyes"; then
 928     echo "Event input: yes"
 929 else
 930     echo "Event input: no"
 931 fi
 932
 933 if test "x$enable_sp_fdms" != "xno"; then
 934     echo "Include special purpose flight models: yes"
 935 else
 936     echo "Include special purpose flight models: no"
 937 fi