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="$CFLAGS -D_REENTRANT"
 251 fi
 252 AC_CHECK_HEADER(pthread.h)
 253
 254 dnl Configure HLA support
 255 AC_ARG_WITH(rti13, [  --with-rti13[[=PATH]]     Enable the HLA/RTI 1.3 interface, set a path to the RTI13 RTI libraries (default=no)])
 256 if test "x$with_rti13" != "xno"; then
 257     if test "x$with_rti13" != "xyes"; then
 258         AC_SUBST(HLA_CPPFLAGS, "-I$with_rti13/include")
 259         AC_SUBST(HLA_LDFLAGS, "-L$with_rti13/lib")
 260     fi
 261
 262     dnl Configure HLA support
 263     AC_MSG_CHECKING([for simgear HLA/RTI support])
 264     AC_LANG_PUSH(C++)
 265     AC_TRY_COMPILE([
 266         #include <simgear/hla/HLA13Federate.hxx>
 267         ],[
 268         new simgear::HLA13Federate;
 269         ], simgear_hla=yes, simgear_hla=no)
 270     AC_MSG_RESULT($simgear_hla)
 271     if test "x$simgear_hla" = "xyes" ; then
 272         AC_MSG_CHECKING([for hla libraries])
 273         saved_LIBS="$LIBS"
 274         saved_LDFLAGS="$LDFLAGS"
 275         for rti13libs in "-lRTI-NG -lFedTime" "-lRTI-NGd -lFedTimed" ; do
 276             if test "x$hla_libs" = "x" ; then
 277                 LIBS="-lsghla13 -lsghla -lsgxml -lsgstructure -lsgmath -lsgdebug -lsgtiming $rti13libs -lrt $saved_LIBS"
 278                 LDFLAGS="$HLA_LDFLAGS $saved_LDFLAGS"
 279                 AC_TRY_LINK([
 280                     #include <simgear/hla/HLA13Federate.hxx>
 281                     ],[
 282                     new simgear::HLA13Federate;
 283                     ], [hla_libs="$rti13libs"; have_rti13=yes],)
 284             fi
 285         done
 286         LIBS="$saved_LIBS"
 287         LDFLAGS="$saved_LDFLAGS"
 288         AC_MSG_RESULT($hla_libs)
 289     fi
 290     AC_LANG_POP()
 291 fi
 292 dnl Currently only the rti13 variant, but in the future also rti1516
 293 AM_CONDITIONAL(WITH_HLA, test "x$have_rti13" = "xyes")
 294 if test "x$have_rti13" = "xyes" ; then
 295     AC_DEFINE([FG_HAVE_HLA], 1, [Define if HLA/RTI is available.])
 296     AC_SUBST(HLA_LIBS, "-lsghla13 -lsghla $hla_libs")
 297 fi
 298
 299 dnl EXPERIMENTAL fgpanel application
 300 # defaults to no
 301 AC_ARG_WITH(fgpanel, [  --with-fgpanel          Include fgpanel application (EXPERIMENTAL) [default=no]], [], [with_fgpanel=no])
 302 if test "x$with_fgpanel" = "xyes"; then
 303     AC_DEFINE([WITH_FGPANEL], 1, [Define to enable fgpanel application])
 304 fi
 305 AM_CONDITIONAL(WITH_FGPANEL, test "x$with_fgpanel" = "xyes")
 306
 307 dnl Used by JSBSim to conditionally compile in fgfs interface code
 308 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 309
 310 # Check for MS Windows environment
 311 AC_CHECK_HEADER(windows.h)
 312
 313 dnl Using AM_CONDITIONAL is a step out of the protected little
 314 dnl automake fold so it is potentially dangerous.  But, we are
 315 dnl beginning to run into cases where the standard checks are not
 316 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 317 dnl build a Makefile.in from a Makefile.am which lets us define custom
 318 dnl includes, compile alternative source files, etc.
 319
 320 dnl Check for external variables daylight and timezone.
 321 AC_EXT_DAYLIGHT
 322 if test "$have_daylight" = yes; then
 323     AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
 324 fi
 325
 326 AC_EXT_TIMEZONE
 327 if test "$have_timezone" = yes; then
 328     AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
 329 fi
 330
 331
 332 dnl add joystick support libraries
 333 dnl search for FreeBSD library
 334 AC_SEARCH_LIBS(hid_init, usbhid)
 335 joystick_LIBS="$LIBS"
 336 LIBS=""
 337
 338
 339 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
 340 dnl just assuming we have audio support on all platform.  We can
 341 dnl depend on plib to hide the details.
 342 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
 343
 344 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 345 dnl to use it if it is.
 346 case "${host}" in
 347 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 348     echo no fancy X11 check
 349     ;;
 350
 351 *)
 352     AC_PATH_XTRA
 353     ;;
 354
 355 esac
 356
 357 dnl Checks for libraries.
 358
 359 dnl Thread related checks
 360 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
 361 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 362   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 363     CXXFLAGS="-pthread $CXXFLAGS"
 364     CFLAGS="-pthread $CFLAGS"
 365     LIBS="-lsgthreads $LIBS"
 366   fi
 367 fi
 368
 369 thread_LIBS="$LIBS"
 370 LIBS=""
 371
 372 dnl search for network related libraries
 373 AC_SEARCH_LIBS(inet_addr, xnet)
 374 AC_SEARCH_LIBS(socket, socket)
 375 AC_SEARCH_LIBS(main, nsl)
 376
 377 network_LIBS="$LIBS"
 378 LIBS=""
 379
 380 dnl check for some default libraries
 381 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
 382 AC_SEARCH_LIBS(ceil, m)
 383 AC_SEARCH_LIBS(dlclose, dl)
 384 AC_SEARCH_LIBS(clock_gettime, rt)
 385
 386 base_LIBS="$LIBS"
 387
 388 dnl Check for SDL or glut if enabled.
 389 AC_ARG_ENABLE(osgviewer, [  --enable-osgviewer             Configure to use osgViewer (default)], [enable_osgviewer="$enableval"])
 390 AC_ARG_ENABLE(sdl,  [  --enable-sdl                   Configure to use SDL], [enable_sdl="$enableval"])
 391 AC_ARG_ENABLE(glut, [  --enable-glut                  Configure to use GLUT], [enable_glut="$enableval"])
 392 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
 393 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
 394 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
 395    enable_osgviewer="yes"
 396 fi
 397 if test \( "x$enable_osgviewer" = "xyes" \
 398    -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
 399    -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
 400    echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
 401    echo " be supplied."
 402    exit
 403 fi
 404 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
 405
 406 AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug              Use OSG debug libraries], [enable_osgdebug="$enableval"])
 407
 408 dnl check for OpenGL related libraries
 409 case "${host}" in
 410 *-*-cygwin* | *-*-mingw32*)
 411     dnl CygWin under Windoze.
 412
 413     echo Win32 specific hacks...
 414     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 415     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 416
 417     if test "x$enable_sdl" = "xyes"; then
 418         AC_SEARCH_LIBS(SDL_Init, SDL)
 419     else
 420         LIBS="$LIBS -lglut32"
 421     fi
 422
 423     LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 424     joystick_LIBS="$joystick_LIBS -lwinmm"
 425
 426     dnl add -lwsock32 for mingwin
 427     case "${host}" in
 428     *-*-mingw32*)
 429         echo "********** BUILDING FOR MINGW32 *************"
 430         network_LIBS="$network_LIBS -lws2_32"
 431         ;;
 432     esac
 433
 434     echo "Will link apps with $LIBS"
 435     ;;
 436
 437
 438 *-apple-darwin*)
 439     dnl Mac OS X
 440
 441     LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework $macAPI -lobjc"
 442     LDFLAGS="$LDFLAGS -headerpad_max_install_names"
 443     joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
 444     ;;
 445
 446 *)
 447     dnl X-Windows based machines
 448
 449     dnl Skip X11 library tests if requested.
 450     if test "x$no_x" != "xyes"; then
 451         AC_SEARCH_LIBS(XCreateWindow, X11)
 452         AC_SEARCH_LIBS(XShmCreateImage, Xext)
 453         AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 454         AC_SEARCH_LIBS(IceOpenConnection, ICE)
 455         AC_SEARCH_LIBS(SmcOpenConnection, SM)
 456         AC_SEARCH_LIBS(XtMalloc, Xt)
 457         AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 458     fi
 459
 460     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 461     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 462         dnl if GLcore found, then also check for GL
 463         AC_SEARCH_LIBS(glXCreateContext, GL)
 464     fi
 465
 466     dnl if using mesa, check for xmesa.h
 467     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 468         AC_CHECK_HEADER(GL/fxmesa.h)
 469         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 470             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 471             AC_DEFINE([FX], 1, [Define for fxmesa])
 472         fi
 473     fi
 474
 475     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 476     AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
 477     if test "x$enable_sdl" = "xyes"; then
 478         AC_SEARCH_LIBS(SDL_Init, SDL)
 479     fi
 480     ;;
 481
 482 esac
 483
 484 opengl_LIBS="$LIBS"
 485 LIBS="$base_LIBS $joystick_LIBS"
 486
 487 dnl check for OpenAL libraries
 488 OPENAL_OK="no"
 489 ALUT_OK="no"
 490 case "${host}" in
 491 *-*-cygwin* | *-*-mingw32*)
 492     dnl CygWin under Windoze.
 493     INCLUDES="$INCLUDES -I/usr/local/include/"
 494     LIBS="$LIBS -L/usr/local/lib"
 495     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal 'openal -ldsound -lwinmm' ] )
 496     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 497     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 498     openal_LIBS="$LIBS"
 499     OPENAL_OK="$ac_cv_search_alGenBuffers"
 500     ALUT_OK="$ac_cv_search_alutInit"
 501     ;;
 502
 503 *-apple-darwin*)
 504     dnl Mac OS X
 505
 506     # Mac OS X has OpenAL.framework, but no ALUT, by default, so we
 507     # require use of a non-Apple ALUT.framework which we provide
 508     openal_LIBS="-framework IOKit -framework OpenAL"
 509
 510     AC_CHECK_FRAMEWORK(OpenAL, [#include <OpenAL/al.h>], "", [OPENAL_OK="yes"])
 511     AC_CHECK_FRAMEWORK(ALUT, [#include <ALUT/alut.h>], $with_alut_framework, [
 512         ALUT_OK="yes"
 513         openal_LIBS="$openal_LIBS -framework ALUT"
 514     ])
 515     ;;
 516
 517 *)
 518     dnl default unix style machines
 519
 520     save_LIBS=$LIBS
 521     LIBS="$LIBS $thread_LIBS"
 522     AC_SEARCH_LIBS(alGenBuffers, openal)
 523     AC_SEARCH_LIBS(alutInit, [ alut openal ] )
 524     OPENAL_OK="$ac_cv_search_alGenBuffers"
 525     ALUT_OK="$ac_cv_search_alutInit"
 526     openal_LIBS="$LIBS"
 527     LIBS=$save_LIBS
 528     ;;
 529
 530 esac
 531
 532 if test "$OPENAL_OK" == "no"; then
 533     echo
 534     echo "You *must* have the openal library installed on your system to build"
 535     echo "SimGear!"
 536     echo
 537     echo "Please see README.OpenAL for more details."
 538     echo
 539     echo "configure aborted."
 540     exit
 541 fi
 542
 543 if test "$ALUT_OK" == "no"; then
 544     echo
 545     echo "You *must* have the alut library installed on your system to build"
 546     echo "SimGear!"
 547     echo
 548     echo "Please see README.OpenAL for more details."
 549     echo
 550     echo "configure aborted."
 551     exit
 552 fi
 553
 554
 555 LIBS="$base_LIBS"
 556
 557 AC_SUBST(base_LIBS)
 558 AC_SUBST(openal_LIBS)
 559 AC_SUBST(opengl_LIBS)
 560 AC_SUBST(thread_LIBS)
 561 AC_SUBST(network_LIBS)
 562 AC_SUBST(joystick_LIBS)
 563
 564 # The following are C++ items that need to be tested for with the c++
 565 # compiler
 566
 567 AC_LANG_PUSH(C++)
 568
 569 dnl Check for the presence of SimGear
 570 if test "x$with_simgear" != "x"; then
 571 AC_CHECK_HEADER($with_simgear/include/simgear/version.h, [ac_cv_header_simgear_version_h=yes], [ac_cv_header_simgear_version_h=no])
 572 else
 573 AC_CHECK_HEADER(simgear/version.h)
 574 fi
 575 if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
 576     echo
 577     echo "You *must* have the SimGear support library installed on your system"
 578     echo "to build the FGFS simulator!"
 579     echo
 580     echo "Please see README.SimGear for more details."
 581     echo
 582     echo "configure aborted."
 583     exit
 584 fi
 585
 586 AC_MSG_CHECKING([for SimGear 2.2.0 or newer])
 587 AC_TRY_RUN([
 588 #include <stdio.h>
 589
 590 #include <simgear/version.h>
 591
 592 #define STRINGIFY(X) XSTRINGIFY(X)
 593 #define XSTRINGIFY(X) #X
 594
 595 #define MIN_MAJOR 2
 596 #define MIN_MINOR 2
 597 #define MIN_MICRO 0
 598
 599 int main() {
 600     int major, minor, micro;
 601
 602     /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
 603     printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
 604
 605     sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, &micro );
 606
 607     if ( (major < MIN_MAJOR) ||
 608          (major == MIN_MAJOR && minor < MIN_MINOR) ||
 609          (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
 610          return -1;
 611     }
 612
 613     return 0;
 614 }
 615
 616 ],
 617   AC_MSG_RESULT(yes),
 618   [AC_MSG_RESULT(wrong version);
 619    AC_MSG_ERROR([Install latest SimGear first...])],
 620   AC_MSG_RESULT(yes)
 621 )
 622
 623 LIBS="$saved_LIBS"
 624
 625 dnl Check if SimGear was built with Norman's JPEG factory support
 626 if test "x$with_simgear" != "x"; then
 627 AC_CHECK_HEADER($with_simgear/include/simgear/screen/jpgfactory.hxx,[ac_cv_header_simgear_screen_jpgfactory_hxx=yes],[ac_cv_header_simgear_screen_jpgfactory_hxx=no])
 628 else
 629 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
 630 fi
 631 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
 632     AC_CHECK_LIB(jpeg, jpeg_start_compress)
 633     if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
 634         echo
 635         echo "The JPEG factory code was built and installed with SimGear."
 636         echo "However it appears the libjpeg is no longer installed."
 637         echo "You need to install libjpeg or remove jpgfactory support from"
 638         echo "SimGear"
 639         echo
 640         echo "libjpeg is available at :"
 641         echo "  ftp://ftp.uu.net in the directory graphics/jpeg"
 642         exit 1
 643     fi
 644     AC_DEFINE([FG_JPEG_SERVER], 1,
 645               [Define to build with jpeg screen shot server])
 646 fi
 647 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes")
 648
 649 # Check for "plib" without which we cannot go on
 650 case "${host}" in
 651 *-apple-darwin*)
 652     if test "x$with_plib_framework" != "x"; then
 653         AC_CHECK_FRAMEWORK(PLIB, [#include <plib/ul.h>], $with_plib_framework, no)
 654         plib_FRAMEWORK="$FRAMEWORKS"
 655         AC_SUBST(plib_FRAMEWORK)
 656         FRAMEWORKS=""
 657     fi
 658     ;;
 659 esac
 660 AM_CONDITIONAL(HAVE_FRAMEWORK_PLIB, test "x$ac_cv_framework_PLIB" != "x")
 661
 662 AC_CHECK_HEADER(plib/ul.h)
 663 if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
 664     echo
 665     echo "You *must* have the plib library installed on your system to build"
 666     echo "the FGFS simulator!"
 667     echo
 668     echo "Please see README.plib for more details."
 669     echo
 670     echo "configure aborted."
 671     exit
 672 fi
 673
 674 echo "$DYLD_FRAMEWORK_PATH"
 675 AC_MSG_CHECKING([for plib 1.8.5 or newer])
 676 AC_TRY_RUN([
 677 #include <plib/ul.h>
 678
 679 #define MIN_PLIB_VERSION 185
 680
 681 int main() {
 682     if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
 683          return -1;
 684     }
 685
 686     return 0;
 687 }
 688
 689 ],
 690   AC_MSG_RESULT(yes),
 691   [AC_MSG_RESULT(wrong version);
 692    AC_MSG_ERROR([Install plib 1.8.5 or later first...])],
 693   AC_MSG_RESULT(yes)
 694 )
 695
 696 dnl If we get here then plib is available, so force use of plib
 697 dnl joystick lib
 698 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
 699
 700 # Find the OSG libraries.  Note special handling for OS X frameworks
 701 if test "x$with_osg_framework" = "x"; then
 702     if test "x$enable_osgdebug" = "xyes"; then
 703         AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 704         AC_CHECK_LIB(osgd,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 705         AC_CHECK_LIB(osgUtild,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 706         AC_CHECK_LIB(osgDBd,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 707         AC_CHECK_LIB(osgTextd,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 708         AC_CHECK_LIB(osgGAd,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 709         AC_CHECK_LIB(osgViewerd,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 710         AC_CHECK_LIB(osgSimd,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 711         AC_CHECK_LIB(osgParticled,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 712         AC_CHECK_LIB(osgFXd, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 713     else
 714         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion, , [AC_MSG_ERROR(OpenThreads library not found.)],)
 715         AC_CHECK_LIB(osg,osgGetVersion, , [AC_MSG_ERROR(OpenSceneGraph library not found.)],)
 716         AC_CHECK_LIB(osgUtil,osgUtilGetVersion, , [AC_MSG_ERROR(OpenSceneGraph utility library not found.)],)
 717         AC_CHECK_LIB(osgDB,osgDBGetVersion, , [AC_MSG_ERROR(OpenSceneGraph database library not found.)],)
 718         AC_CHECK_LIB(osgText,osgTextGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Text library not found.)],)
 719         AC_CHECK_LIB(osgGA,osgGAGetVersion, , [AC_MSG_ERROR(OpenSceneGraph GUI Abstraction library not found.)],)
 720         AC_CHECK_LIB(osgViewer,osgViewerGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Viewer library not found.)],)
 721         AC_CHECK_LIB(osgSim,osgSimGetVersion, , [AC_MSG_ERROR(OpenSceneGraph simulation library not found.)],)
 722         AC_CHECK_LIB(osgParticle,osgParticleGetVersion, , [AC_MSG_ERROR(OpenSceneGraph Particle library not found.)],)
 723         AC_CHECK_LIB(osgFX, osgFXGetVersion, , [AC_MSG_ERROR(OpenSceneGraph FX library not found.)],)
 724     fi
 725 else
 726     # Checking osg frameworks.
 727     AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>], $with_osg_framework)
 728     AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>], $with_osg_framework)
 729     AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>], $with_osg_framework)
 730     AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>], $with_osg_framework)
 731     AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>], $with_osg_framework)
 732     AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>], $with_osg_framework)
 733     AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>], $with_osg_framework)
 734     AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>], $with_osg_framework)
 735     AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>], $with_osg_framework)
 736     osg_FRAMEWORKS="$FRAMEWORKS"
 737     FRAMEWORKS=""
 738     AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>], $with_osg_framework)
 739     openthreads_FRAMEWORK="$FRAMEWORKS"
 740     AC_SUBST(osg_FRAMEWORKS)
 741     AC_SUBST(openthreads_FRAMEWORK)
 742 fi
 743 AM_CONDITIONAL(HAVE_FRAMEWORK_OSG, test "x$ac_cv_framework_osg" != "x")
 744
 745 AC_CHECK_HEADER(osg/Version)
 746 if test "x$ac_cv_header_osg_Version" != "xyes"; then
 747     echo
 748     echo "You *must* have the OpenSceneGraph support library installed on your system"
 749     echo "to build the FGFS simulator!"
 750     echo
 751     echo "Please see README.OSG for more details."
 752     echo
 753     echo "configure aborted."
 754     exit
 755 fi
 756
 757
 758 AC_MSG_CHECKING([checking for osg::CullSettings::CLEAR_MASK])
 759 AC_COMPILE_IFELSE(
 760   [AC_LANG_PROGRAM([[#include <osg/CullSettings>]],
 761     [[osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;]])],
 762   [AC_DEFINE([HAVE_CULLSETTINGS_CLEAR_MASK],1,[define if OSG has CullSettings::CLEAR_MASK])
 763    AC_MSG_RESULT([yes])],
 764   [AC_MSG_RESULT([no])])
 765
 766 # Special handling for static version of OSG
 767 if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_LIBRARY_STATIC" 2>/dev/null`" ; then
 768     saved_LIBS="$LIBS"
 769     LIBS=""
 770     #***** Check image support (needed for static build) *****
 771     AC_SEARCH_LIBS([jpeg_read_header], [jpeg], [CPPFLAGS="$CPPFLAGS -DOSG_JPEG_ENABLED"])
 772     AC_SEARCH_LIBS([png_read_image], [png 'png -lz'], [CPPFLAGS="$CPPFLAGS -DOSG_PNG_ENABLED"])
 773     AC_SEARCH_LIBS([TIFFOpen], [tiff], [CPPFLAGS="$CPPFLAGS -DOSG_TIFF_ENABLED"])
 774     img_LIBS="$LIBS"
 775     LIBS="$saved_LIBS"
 776
 777     if test "x$with_osg" != "x" ; then
 778         osg_prefix="$with_osg"
 779     else
 780         osg_prefix="/usr"
 781     fi
 782     PKG_CHECK_EXISTS([openscenegraph], [osg_version="`$PKG_CONFIG --modversion openscenegraph 2>/dev/null`"])
 783     LIBS="-L$osg_prefix/lib/osgPlugins-$osg_version -losgdb_bmp -losgdb_dds -losgdb_hdr -losgdb_pic -losgdb_pnm -losgdb_rgb -losgdb_tga \
 784                                                           -losgdb_3ds -losgdb_ac -losgdb_ive -losgdb_osg -losgdb_txf \
 785                                                           -losgVolume -losgTerrain $LIBS -losgUtil"
 786
 787     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_JPEG_ENABLED" 2>/dev/null`" ; then
 788       LIBS="$LIBS -losgdb_jpeg"
 789     fi
 790     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_PNG_ENABLED" 2>/dev/null`" ; then
 791       LIBS="$LIBS -losgdb_png"
 792     fi
 793     if test -n "`echo "$CPPFLAGS" "$CXXFLAGS" "$CFLAGS" | grep "\-DOSG_TIFF_ENABLED" 2>/dev/null`" ; then
 794       LIBS="$LIBS -losgdb_tiff"
 795     fi
 796
 797     LIBS="$LIBS $img_LIBS"
 798 fi
 799
 800 AC_LANG_POP
 801
 802 dnl Check for system installed zlib
 803 AC_CHECK_HEADER(zlib.h)
 804 if test "x$ac_cv_header_zlib_h" != "xyes"; then
 805     echo
 806     echo "zlib library not found."
 807     echo
 808     echo "If your OS does not provide an installable package for zlib"
 809     echo "you will have to compile and install it first yourself.  A copy"
 810     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
 811     echo "have to untar this source code, and follow it's included instructions"
 812     echo "to compile and install on your system."
 813     echo
 814     echo "configure aborted."
 815     echo
 816 fi
 817
 818 dnl Check for Subversion library support
 819 # libsvn support defaults to yes
 820 save_LIBS=$LIBS
 821 save_CPPFLAGS=$CPPFLAGS
 822 AC_ARG_WITH(libsvn, [  --without-libsvn        Do not use libsvn for terrasync [default=no]], [], [with_libsvn=yes])
 823 if test "x$with_libsvn" = "xyes"; then
 824     LIBS="`apr-1-config --link-ld`"
 825     CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes --cppflags`"
 826     AC_CHECK_HEADERS([svn_client.h])
 827        if test "x$ac_cv_header_svn_client_h" = "xyes"; then
 828         echo "TerraSync will use libsvn"
 829         AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
 830         AC_SEARCH_LIBS(svn_cmdline_init, svn_subr-1)
 831         svn_LIBS=$LIBS
 832         svn_CPPFLAGS=$CPPFLAGS
 833         AC_SUBST(svn_LIBS)
 834         AC_SUBST(svn_CPPFLAGS)
 835        else
 836         echo "Libsvn not found. TerraSync will use command line subversion"
 837         svn_LIBS=""
 838         svn_CPPFLAGS=""
 839        fi
 840 else
 841 echo "Libsvn explicitly disabled. TerraSync will use command line subversion"
 842   svn_LIBS=""
 843   svn_CPPFLAGS=""
 844 fi
 845 LIBS=$save_LIBS
 846 CPPFLAGS=$save_CPPFLAGS
 847
 848 AC_MSG_CHECKING([for feenableexcept])
 849 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define _GNU_SOURCE
 850 #include <fenv.h>]], [[feenableexcept(FE_DIVBYZERO)]])],
 851 [AC_DEFINE([HAVE_FEENABLEEXCEPT], 1, [define if system has fenableexcept])],
 852 AC_MSG_RESULT([yes]),
 853 AC_MSG_RESULT([no]))
 854
 855 dnl Checks for header files.
 856 AC_HEADER_STDC
 857 AC_CHECK_HEADERS( \
 858         fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
 859         sys/time.h sys/timeb.h unistd.h windows.h values.h )
 860
 861 dnl Checks for typedefs, structures, and compiler characteristics.
 862 AC_C_CONST
 863 AC_TYPE_SIZE_T
 864 AC_HEADER_TIME
 865 AC_STRUCT_TM
 866
 867 dnl Checks for library functions.
 868 old_LIBS=$LIBS
 869 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 870 AC_TYPE_SIGNAL
 871 AC_FUNC_VPRINTF
 872 AC_CHECK_FUNCS( [ \
 873         ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
 874         random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
 875         truncf ] )
 876 LIBS=$old_LIBS
 877
 878 AM_CONFIG_HEADER(src/Include/config.h)
 879
 880 AC_CONFIG_FILES([ \
 881         Makefile \
 882         man/Makefile \
 883         man/est-epsilon.1 \
 884         man/fgfs.1 \
 885         man/fgjs.1 \
 886         man/gl-info.1 \
 887         man/js_demo.1 \
 888         man/pstest.1 \
 889         scripts/Makefile \
 890         scripts/debug/Makefile \
 891         scripts/perl/Makefile \
 892         scripts/perl/examples/Makefile \
 893         scripts/perl/traffic/Makefile \
 894         scripts/python/Makefile \
 895         src/Makefile \
 896         src/Include/Makefile \
 897         src/Include/version.h \
 898         src/Aircraft/Makefile \
 899         src/Airports/Makefile \
 900         src/ATC/Makefile \
 901         src/ATCDCL/Makefile \
 902         src/Autopilot/Makefile \
 903         src/Cockpit/Makefile \
 904         src/Cockpit/built_in/Makefile \
 905         src/Environment/Makefile \
 906         src/FDM/ExternalNet/Makefile \
 907         src/FDM/ExternalPipe/Makefile \
 908         src/FDM/JSBSim/Makefile \
 909         src/FDM/JSBSim/initialization/Makefile \
 910         src/FDM/JSBSim/input_output/Makefile \
 911         src/FDM/JSBSim/math/Makefile \
 912         src/FDM/JSBSim/models/Makefile \
 913         src/FDM/JSBSim/models/flight_control/Makefile \
 914         src/FDM/JSBSim/models/atmosphere/Makefile \
 915         src/FDM/JSBSim/models/propulsion/Makefile \
 916         src/FDM/LaRCsim/Makefile \
 917         src/FDM/SP/Makefile \
 918         src/FDM/UIUCModel/Makefile \
 919         src/FDM/YASim/Makefile \
 920         src/FDM/Makefile \
 921         src/GUI/Makefile \
 922         src/Input/Makefile \
 923         src/Instrumentation/Makefile \
 924         src/Instrumentation/KLN89/Makefile \
 925         src/Instrumentation/HUD/Makefile \
 926         src/Main/Makefile \
 927         src/Main/runfgfs \
 928         src/Main/runfgfs.bat \
 929         src/Model/Makefile \
 930         src/AIModel/Makefile \
 931         src/MultiPlayer/Makefile \
 932         src/Navaids/Makefile \
 933         src/Network/Makefile \
 934         src/Network/HLA/Makefile \
 935         src/Scenery/Makefile \
 936         src/Scripting/Makefile \
 937         src/Sound/Makefile \
 938         src/Systems/Makefile \
 939         src/Time/Makefile \
 940         src/Traffic/Makefile \
 941         tests/Makefile \
 942         utils/Makefile \
 943         utils/GPSsmooth/Makefile \
 944         utils/fgadmin/Makefile
 945         utils/fgadmin/src/Makefile \
 946         utils/js_server/Makefile \
 947         utils/Modeller/Makefile \
 948         utils/propmerge/Makefile \
 949         utils/TerraSync/Makefile \
 950         utils/xmlgrep/Makefile \
 951         utils/fgviewer/Makefile \
 952         utils/fgpanel/Makefile
 953 ])
 954 AC_OUTPUT
 955
 956 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
 957
 958 echo ""
 959 echo "Configure Summary"
 960 echo "================="
 961
 962 echo "Prefix: $prefix"
 963
 964 if test "x$with_logging" != "x"; then
 965     echo "Log messages: $with_logging"
 966 else
 967     echo "Log messages: yes"
 968 fi
 969
 970 echo -n "Automake version: "
 971 automake --version | head -n 1
 972
 973 if test "x$with_multiplayer" != "xno"; then
 974     echo "Building with multiplayer support"
 975 fi
 976
 977 if test "x$with_threads" = "xyes"; then
 978     echo "Threads: yes"
 979 else
 980     echo "Threads: no"
 981 fi
 982
 983 if test "x$with_eventinput" = "xyes"; then
 984     echo "Event input: yes"
 985 else
 986     echo "Event input: no"
 987 fi
 988
 989 if test "x$with_fgpanel" = "xyes"; then
 990     echo "fgpanel: yes"
 991 else
 992     echo "fgpanel: no"
 993 fi
 994
 995 if test "x$enable_sp_fdms" != "xno"; then
 996     echo "Include special purpose flight models: yes"
 997 else
 998     echo "Include special purpose flight models: no"
 999 fi