1 dnl Process this file with autoget.sh to produce a working configure
5 AC_CONFIG_SRCDIR([src/Aircraft/aircraft.cxx])
7 dnl Require at least automake 2.52
10 dnl Initialize the automake stuff
11 dnl set the $host variable based on local machine/os
13 AM_INIT_AUTOMAKE(FlightGear, 1.9.0)
15 dnl Checks for programs.
23 AX_BOOST_BASE([1.34.0])
25 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
26 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
29 # specify the simgear location
30 AC_ARG_WITH(simgear, [ --with-simgear=PREFIX Specify the prefix path to SimGear])
32 if test "x$with_simgear" != "x" ; then
33 echo "SimGear prefix path is $with_simgear"
34 EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
35 CXXFLAGS="$CXXFLAGS -I$with_simgear"
38 # specify the plib location
39 AC_ARG_WITH(plib, [ --with-plib=PREFIX Specify the prefix path to plib])
41 if test "x$with_plib" != "x" ; then
42 echo "plib prefix is $with_plib"
43 EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
46 # specify the osg location
47 AC_ARG_WITH(osg, [ --with-osg=PREFIX Specify the prefix path to osg])
49 if test "x$with_osg" != "x" ; then
50 echo "osg prefix is $with_osg"
51 EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
54 dnl Determine an extra directories to add to include/lib search paths
56 *-apple-darwin* | *-*-mingw32*)
57 echo no EXTRA_DIRS for $host
61 if test -d /usr/local ; then
62 EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
67 if test -d /usr/X11R6 ; then
68 EXTRA_DIR1="/usr/X11R6"
70 if test -d /opt/X11R6 ; then
71 EXTRA_DIR2="/opt/X11R6"
73 EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local"
77 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
82 if test "$CXX" = "CC"; then
85 CXXFLAGS="$CXXFLAGS -c99 -I$with_simgear/include/simgear/compatibility"
100 dnl set logging; default value of with_logging=yes
101 AC_ARG_WITH(logging, [ --with-logging Include logging output (default)])
102 if test "x$with_logging" = "xno" ; then
103 AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
106 AC_ARG_ENABLE(sp_fdms, [ --enable-sp-fdms Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
107 if test "x$enable_sp_fdms" != "xno"; then
108 AC_DEFINE([ENABLE_SP_FDM], 1, [Define to include special purpose FDMs])
110 AC_DEFINE([ENABLE_SP_FDM], 0, [Define to include special purpose FDMs])
112 AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
115 dnl Thread related checks
117 AC_ARG_WITH(threads, [ --with-threads Include tile loading threads [default=yes]], [], [with_threads=yes])
118 if test "x$with_threads" = "xyes"; then
119 AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
120 CXXFLAGS="$CXXFLAGS -D_REENTRANT"
121 CFLAGS="$CFLAGS -D_REENTRANT"
123 AC_CHECK_HEADER(pthread.h)
124 AM_CONDITIONAL(WITH_THREADS, test "x$with_threads" = "xyes")
126 dnl Used by JSBSim to conditionally compile in fgfs interface code
127 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
129 # Check for MS Windows environment
130 AC_CHECK_HEADER(windows.h)
132 dnl Using AM_CONDITIONAL is a step out of the protected little
133 dnl automake fold so it is potentially dangerous. But, we are
134 dnl beginning to run into cases where the standard checks are not
135 dnl enough. AM_CONDITIONALS are then referenced to conditionally
136 dnl build a Makefile.in from a Makefile.am which lets us define custom
137 dnl includes, compile alternative source files, etc.
139 dnl Check for external variables daylight and timezone.
141 if test "$have_daylight" = yes; then
142 AC_DEFINE([HAVE_DAYLIGHT], 1, [Define if system has daylight variable])
146 if test "$have_timezone" = yes; then
147 AC_DEFINE([HAVE_TIMEZONE], 1, [Define if system has timezone variable])
151 dnl add joystick support libraries
152 dnl search for FreeBSD library
153 AC_SEARCH_LIBS(hid_init, usbhid)
154 joystick_LIBS="$LIBS"
158 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
159 dnl just assuming we have audio support on all platform. We can
160 dnl depend on plib to hide the details.
161 AC_DEFINE([ENABLE_AUDIO_SUPPORT], 1, [Define for audio support])
163 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
164 dnl to use it if it is.
166 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
167 echo no fancy X11 check
176 dnl Checks for libraries.
178 dnl Thread related checks
179 AC_SEARCH_LIBS(pthread_create, [pthread c_r])
180 if test "x$ac_cv_header_pthread_h" = "xyes"; then
181 if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
182 CXXFLAGS="-pthread $CXXFLAGS"
183 CFLAGS="-pthread $CFLAGS"
190 dnl search for network related libraries
191 AC_SEARCH_LIBS(inet_addr, xnet)
192 AC_SEARCH_LIBS(socket, socket)
193 AC_SEARCH_LIBS(main, nsl)
198 dnl check for some default libraries
199 AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
200 AC_SEARCH_LIBS(ceil, m)
201 AC_SEARCH_LIBS(dlclose, dl)
205 dnl Check for SDL or glut if enabled.
206 AC_ARG_ENABLE(osgviewer, [ --enable-osgviewer Configure to use osgViewer(default)], [enable_osgviewer="$enableval"])
207 AC_ARG_ENABLE(sdl, [ --enable-sdl Configure to use SDL], [enable_sdl="$enableval"])
208 AC_ARG_ENABLE(glut, [ --enable-glut Configure to use GLUT], [enable_glut="$enableval"])
209 AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
210 AM_CONDITIONAL(USE_GLUT, test "x$enable_glut" = "xyes")
211 if test "x$enable_sdl" != "xyes" -a "x$enable_glut" != "xyes" -a "x$enable_osgviewer" != "xno"; then
212 enable_osgviewer="yes"
214 if test \( "x$enable_osgviewer" = "xyes" \
215 -a \( "x$enable_sdl" = "xyes" -o "x$enable_glut" = "xyes" \) \) \
216 -o \( "x$enable_sdl" = "xyes" -a "x$enable_glut" = "xyes" \); then
217 echo " Only one of --enable-osgviewer, --enable-sdl, or --enable -glut may"
221 AC_DEFINE([PU_USE_NONE], 1, [Define to use application's pu callbacks])
223 AC_ARG_ENABLE(osgdebug, [ --enable-osgdebug Use OSG debug libraries], [enable_osgdebug="$enableval"])
225 dnl check for OpenGL related libraries
227 *-*-cygwin* | *-*-mingw32*)
228 dnl CygWin under Windoze.
230 echo Win32 specific hacks...
231 AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
232 AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
234 if test "x$enable_sdl" = "xyes"; then
235 AC_SEARCH_LIBS(SDL_Init, SDL)
237 LIBS="$LIBS -lglut32"
240 LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
241 joystick_LIBS="$joystick_LIBS -lwinmm"
243 dnl add -lwsock32 for mingwin
246 echo "********** BUILDING FOR MINGW32 *************"
247 network_LIBS="$network_LIBS -lws2_32"
251 echo "Will link apps with $LIBS"
258 LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework Carbon -lobjc"
259 joystick_LIBS="$joystick_LIBS -framework IOKit -framework CoreFoundation"
263 dnl X-Windows based machines
265 dnl Skip X11 library tests if requested.
266 if test "x$no_x" != "xyes"; then
267 AC_SEARCH_LIBS(XCreateWindow, X11)
268 AC_SEARCH_LIBS(XShmCreateImage, Xext)
269 AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
270 AC_SEARCH_LIBS(IceOpenConnection, ICE)
271 AC_SEARCH_LIBS(SmcOpenConnection, SM)
272 AC_SEARCH_LIBS(XtMalloc, Xt)
273 AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
276 AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
277 if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
278 dnl if GLcore found, then also check for GL
279 AC_SEARCH_LIBS(glXCreateContext, GL)
282 dnl if using mesa, check for xmesa.h
283 if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
284 AC_CHECK_HEADER(GL/fxmesa.h)
285 if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
286 AC_DEFINE([XMESA], 1, [Define for fxmesa])
287 AC_DEFINE([FX], 1, [Define for fxmesa])
291 AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
292 AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
293 if test "x$enable_sdl" = "xyes"; then
294 AC_SEARCH_LIBS(SDL_Init, SDL)
301 LIBS="$base_LIBS $joystick_LIBS"
303 dnl check for OpenAL libraries
307 *-*-cygwin* | *-*-mingw32*)
308 dnl CygWin under Windoze.
309 INCLUDES="$INCLUDES -I/usr/local/include/"
310 LIBS="$LIBS -L/usr/local/lib"
311 AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal ] )
312 AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
313 LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
315 OPENAL_OK="$ac_cv_search_alGenBuffers"
316 ALUT_OK="$ac_cv_search_alutInit"
322 LIBS="$LIBS -framework IOKit -framework OpenAL"
324 # not sure how to test if OpenAL exists on MacOS (does it come by default?)
330 dnl default unix style machines
333 LIBS="$LIBS $thread_LIBS"
334 AC_SEARCH_LIBS(alGenBuffers, openal)
335 AC_SEARCH_LIBS(alutInit, [ alut openal ] )
336 OPENAL_OK="$ac_cv_search_alGenBuffers"
337 ALUT_OK="$ac_cv_search_alutInit"
344 if test "$OPENAL_OK" == "no"; then
346 echo "You *must* have the openal library installed on your system to build"
349 echo "Please see README.OpenAL for more details."
351 echo "configure aborted."
355 if test "$ALUT_OK" == "no"; then
357 echo "You *must* have the alut library installed on your system to build"
360 echo "Please see README.OpenAL for more details."
362 echo "configure aborted."
370 AC_SUBST(openal_LIBS)
371 AC_SUBST(opengl_LIBS)
372 AC_SUBST(thread_LIBS)
373 AC_SUBST(network_LIBS)
374 AC_SUBST(joystick_LIBS)
376 # The following are C++ items that need to be tested for with the c++
381 dnl Check for the presence of SimGear
382 if test "x$with_simgear" != "x"; then
383 AC_CHECK_HEADER($with_simgear/include/simgear/version.h, [ac_cv_header_simgear_version_h=yes], [ac_cv_header_simgear_version_h=no])
385 AC_CHECK_HEADER(simgear/version.h)
387 if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
389 echo "You *must* have the SimGear support library installed on your system"
390 echo "to build the FGFS simulator!"
392 echo "Please see README.SimGear for more details."
394 echo "configure aborted."
398 AC_MSG_CHECKING([for SimGear 1.9.0 or newer])
402 #include <simgear/version.h>
404 #define STRINGIFY(X) XSTRINGIFY(X)
405 #define XSTRINGIFY(X) #X
412 int major, minor, micro;
414 /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
415 printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
417 sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, µ );
419 if ( (major < MIN_MAJOR) ||
420 (major == MIN_MAJOR && minor < MIN_MINOR) ||
421 (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
430 [AC_MSG_RESULT(wrong version);
431 AC_MSG_ERROR([Install latest SimGear first...])],
437 dnl Check if SimGear was built with Norman's JPEG factory support
438 if test "x$with_simgear" != "x"; then
439 AC_CHECK_HEADER($with_simgear/include/simgear/screen/jpgfactory.hxx,[ac_cv_header_simgear_screen_jpgfactory_hxx=yes],[ac_cv_header_simgear_screen_jpgfactory_hxx=no])
441 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
443 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
444 AC_CHECK_LIB(jpeg, jpeg_start_compress)
445 if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
447 echo "The JPEG factory code was built and installed with SimGear."
448 echo "However it appears the libjpeg is no longer installed."
449 echo "You need to install libjpeg or remove jpgfactory support from"
452 echo "libjpeg is available at :"
453 echo " ftp://ftp.uu.net in the directory graphics/jpeg"
456 AC_DEFINE([FG_JPEG_SERVER], 1,
457 [Define to build with jpeg screen shot server])
459 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes")
461 # Check for "plib" without which we cannot go on
462 AC_CHECK_HEADER(plib/ul.h)
463 if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
465 echo "You *must* have the plib library installed on your system to build"
466 echo "the FGFS simulator!"
468 echo "Please see README.plib for more details."
470 echo "configure aborted."
474 AC_MSG_CHECKING([for plib 1.8.5 or newer])
478 #define MIN_PLIB_VERSION 185
481 int major, minor, micro;
483 if ( PLIB_VERSION < MIN_PLIB_VERSION ) {
492 [AC_MSG_RESULT(wrong version);
493 AC_MSG_ERROR([Install plib 1.8.5 or later first...])],
497 dnl If we get here then plib is available, so force use of plib
499 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
501 AC_CHECK_HEADER(osg/Version)
502 if test "x$ac_cv_header_osg_Version" != "xyes"; then
504 echo "You *must* have the OpenSceneGraph support library installed on your system"
505 echo "to build the FGFS simulator!"
507 echo "Please see README.OSG for more details."
509 echo "configure aborted."
513 # Find the OSG libraries. Note special handling for OS X frameworks
517 dnl Thank you Christian Bauer from SheepSaver
518 dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
519 AC_DEFUN([AC_CHECK_FRAMEWORK], [
520 AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
521 AC_CACHE_CHECK([whether compiler supports framework $1],
524 LIBS="$LIBS -framework $1"
527 [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
530 AS_IF([test AS_VAR_GET(ac_Framework) = yes],
531 [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
533 AS_VAR_POPDEF([ac_Framework])dnl
536 if test "x$enable_osgdebug" = "xyes"; then
537 AC_CHECK_LIB(osgViewerd,osgViewerGetVersion)
538 AC_CHECK_LIB(osgGAd,osgGAGetVersion)
539 AC_CHECK_LIB(osgTextd,osgTextGetVersion)
540 LIBS="$LIBS -losgFXd"
541 AC_CHECK_LIB(osgUtild,osgUtilGetVersion)
542 AC_CHECK_LIB(osgDBd,osgDBGetVersion)
543 AC_CHECK_LIB(osgSimd,osgSimGetVersion)
544 AC_CHECK_LIB(osgParticled,osgParticleGetVersion)
545 AC_CHECK_LIB(osgd,osgGetVersion)
546 AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion)
548 AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>])
549 AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>])
550 AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>])
551 AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>])
552 AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>])
553 AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>])
554 AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>])
555 AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>])
556 AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>])
557 AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>])
561 if test "x$enable_osgdebug" = "xyes"; then
562 AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion)
563 AC_CHECK_LIB(osgd,osgGetVersion)
564 AC_CHECK_LIB(osgUtild,osgUtilGetVersion)
565 AC_CHECK_LIB(osgDBd,osgDBGetVersion)
566 AC_CHECK_LIB(osgTextd,osgTextGetVersion)
567 AC_CHECK_LIB(osgGAd,osgGAGetVersion)
568 AC_CHECK_LIB(osgViewerd,osgViewerGetVersion)
569 AC_CHECK_LIB(osgSimd,osgSimGetVersion)
570 AC_CHECK_LIB(osgParticled,osgParticleGetVersion)
571 LIBS="$LIBS -losgFXd"
573 AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion)
574 AC_CHECK_LIB(osg,osgGetVersion)
575 AC_CHECK_LIB(osgUtil,osgUtilGetVersion)
576 AC_CHECK_LIB(osgDB,osgDBGetVersion)
577 AC_CHECK_LIB(osgText,osgTextGetVersion)
578 AC_CHECK_LIB(osgGA,osgGAGetVersion)
579 AC_CHECK_LIB(osgViewer,osgViewerGetVersion)
580 AC_CHECK_LIB(osgSim,osgSimGetVersion)
581 AC_CHECK_LIB(osgParticle,osgParticleGetVersion)
589 dnl Check for system installed zlib
590 AC_CHECK_HEADER(zlib.h)
591 if test "x$ac_cv_header_zlib_h" != "xyes"; then
593 echo "zlib library not found."
595 echo "If your OS does not provide an installable package for zlib"
596 echo "you will have to compile and install it first yourself. A copy"
597 echo "of zlib-1.1.4.tar.gz is included with SimGear. You will"
598 echo "have to untar this source code, and follow it's included instructions"
599 echo "to compile and install on your system."
601 echo "configure aborted."
605 dnl Check for Subversion library support
607 save_CPPFLAGS=$CPPFLAGS
609 CPPFLAGS="-I/usr/include/subversion-1 -I/usr/include/apr-1.0"
610 AC_CHECK_LIB(svn_client-1, svn_client_checkout3)
611 AC_CHECK_HEADERS([svn_client.h])
612 if test "x$ac_cv_header_svn_client_h" != "xyes"; then
613 echo "TerraSync will shell out for command line subversion"
617 echo "TerraSync will use integrated subversion library"
618 AC_SEARCH_LIBS(svn_client_checkout, svn_client-1)
620 svn_CPPFLAGS=$CPPFLAGS
622 AC_SUBST(svn_CPPFLAGS)
625 CPPFLAGS=$save_CPPFLAGS
627 dnl Checks for header files.
630 fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
631 sys/time.h sys/timeb.h unistd.h windows.h values.h )
633 dnl Checks for typedefs, structures, and compiler characteristics.
639 dnl Checks for library functions.
641 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
645 ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
646 random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
650 AM_CONFIG_HEADER(src/Include/config.h)
662 scripts/debug/Makefile \
663 scripts/perl/Makefile \
664 scripts/perl/examples/Makefile \
665 scripts/python/Makefile \
667 src/Include/Makefile \
668 src/Include/version.h \
669 src/Include/config.h-msvc6 \
670 src/Include/config.h-msvc71 \
671 src/Include/config.h-msvc8 \
672 src/Aircraft/Makefile \
673 src/Airports/Makefile \
675 src/ATCDCL/Makefile \
676 src/Autopilot/Makefile \
677 src/Cockpit/Makefile \
678 src/Cockpit/built_in/Makefile \
679 src/Environment/Makefile \
680 src/FDM/ExternalNet/Makefile \
681 src/FDM/ExternalPipe/Makefile \
682 src/FDM/JSBSim/Makefile \
683 src/FDM/JSBSim/initialization/Makefile \
684 src/FDM/JSBSim/input_output/Makefile \
685 src/FDM/JSBSim/math/Makefile \
686 src/FDM/JSBSim/models/Makefile \
687 src/FDM/JSBSim/models/flight_control/Makefile \
688 src/FDM/JSBSim/models/atmosphere/Makefile \
689 src/FDM/JSBSim/models/propulsion/Makefile \
690 src/FDM/LaRCsim/Makefile \
691 src/FDM/SP/Makefile \
692 src/FDM/UIUCModel/Makefile \
693 src/FDM/YASim/Makefile \
697 src/Instrumentation/Makefile \
698 src/Instrumentation/KLN89/Makefile \
699 src/Instrumentation/HUD/Makefile \
702 src/Main/runfgfs.bat \
704 src/AIModel/Makefile \
705 src/MultiPlayer/Makefile \
706 src/Navaids/Makefile \
707 src/Network/Makefile \
708 src/Scenery/Makefile \
709 src/Scripting/Makefile \
711 src/Systems/Makefile \
713 src/Traffic/Makefile \
716 utils/GPSsmooth/Makefile \
717 utils/fgadmin/Makefile
718 utils/fgadmin/src/Makefile \
719 utils/js_server/Makefile \
720 utils/Modeller/Makefile \
721 utils/propmerge/Makefile \
722 utils/TerraSync/Makefile \
723 utils/xmlgrep/Makefile \
727 AC_OUTPUT_COMMANDS([chmod 755 src/Main/runfgfs])
730 echo "Configure Summary"
731 echo "================="
733 echo "Prefix: $prefix"
735 if test "x$with_logging" != "x"; then
736 echo "Debug messages: $with_logging"
738 echo "Debug messages: yes"
741 echo -n "Automake version: "
742 automake --version | head -n 1
744 if test "x$with_multiplayer" != "xno"; then
745 echo "Building with multiplayer support"
748 if test "x$with_threads" = "xyes"; then
754 if test "x$enable_sp_fdms" != "xno"; then
755 echo "Include special purpose flight models: yes"
757 echo "Include special purpose flight models: no"