X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.ac;h=ed46c80a3f951ccded668ac02f73c82641a27462;hb=0a4cb2469274b4f88ceaf4494a10dfeec820df2a;hp=083aab14420048caa4532bd271d8903d21d84332;hpb=e57e85c5639ddc90416ab40043f14752f37355f5;p=flightgear.git

diff --git a/configure.ac b/configure.ac
index 083aab144..ed46c80a3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,5 @@
 dnl Process this file with autoget.sh to produce a working configure
 dnl script.
-dnl
-dnl $Id$
 
 AC_INIT
 AC_CONFIG_SRCDIR([src/Aircraft/aircraft.cxx])
@@ -10,7 +8,9 @@ dnl Require at least automake 2.52
 AC_PREREQ(2.52)
 
 dnl Initialize the automake stuff
-AM_INIT_AUTOMAKE(FlightGear, 0.9.1)
+dnl set the $host variable based on local machine/os
+AC_CANONICAL_TARGET
+AM_INIT_AUTOMAKE(FlightGear, 0.9.8-pre2)
 
 dnl Checks for programs.
 AC_PROG_MAKE_SET
@@ -29,9 +29,6 @@ if test "x$with_simgear" != "x" ; then
     EXTRA_DIRS="${EXTRA_DIRS} $with_simgear"
 fi
 
-dnl set the $host variable based on local machine/os
-AC_CANONICAL_HOST
-
 case "${host}" in
 *-*-irix*)
     if test "$CXX" = "CC"; then
@@ -57,38 +54,35 @@ if test "x$with_logging" = "xno" ; then
     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 fi
 
-# Specify if we want to build with Oliver's networking support
+# Specify if we want to build with Multiplayer support
 # default to with_network=yes
-AC_ARG_WITH(network_olk, [  --with-network-olk      Include Oliver's multi-pilot networking support])
-if test "x$with_network_olk" = "xno" ; then
-    echo "Building without Oliver's multi-pilot network support"
+AC_ARG_WITH(multiplayer, [  --with-multiplayer      Include multiplayer support [default=yes]])
+
+if test "x$with_multiplayer" = "xno"; then
+  echo "Building without any kind of multiplayer support"
 else
-    echo "Building with Oliver's multi-pilot network support"
-    AC_DEFINE([FG_NETWORK_OLK], 1, [Define to build with Oliver's networking])
+  echo "Building with multiplayer support"
+  AC_DEFINE([FG_MPLAYER_AS], 1, [Define to build with multiplayer support])
 fi
-AM_CONDITIONAL(ENABLE_NETWORK_OLK, test "x$with_network_olk" != "xno")
+AM_CONDITIONAL(ENABLE_MPLAYER_AS, test "x$with_multiplayer" != "xno")
 
+AC_ARG_ENABLE(sp_fdms, [  --enable-sp-fdms              Include special purpose Flight Models], [enable_sp_fdms="$enableval"] )
+AC_DEFINE([ENABLE_SP_FMDS], test "x$enable_sp_fdms" = "xyes", [Define to include special purpose FDMs])
+AM_CONDITIONAL(ENABLE_SP_FDM, test "x$enable_sp_fdms" != "xno")
 
-# Specify if we want to use WeatherCM instead of FGEnvironment.
-# default to with_weathercm=no
-AC_ARG_WITH(new-environment, [  --with-weathercm        Use WeatherCM instead of FGEnvironment])
-if test "x$with_weathercm" = "xyes" ; then
-    echo "Building with WeatherCM"
-    AC_DEFINE([FG_WEATHERCM], 1,
-              [Define to build with Christian Mayer's weather code])
-else
-    echo "Building with FGEnvironment"
-fi
-AM_CONDITIONAL(ENABLE_WEATHERCM, test "x$with_weathercm" = "xyes")
 
 dnl Thread related checks
-AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=no]])
-if test "x$with_threads" = "xyes"; then
+# defaults to yes
+with_threads=yes
+AC_ARG_WITH(threads, [  --with-threads          Include tile loading threads [default=yes]])
+if test "x$with_threads" != "xyes"; then
+    AC_DEFINE([ENABLE_THREADS], 0, [Define to enable threaded tile paging])
+else
     AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
     CFLAGS="$CFLAGS -D_REENTRANT"
-    AC_CHECK_HEADER(pthread.h)
 fi
+AC_CHECK_HEADER(pthread.h)
 AM_CONDITIONAL(WITH_THREADS, test "x$with_threads" = "xyes")
 
 # specify the plib location
@@ -99,17 +93,13 @@ if test "x$with_plib" != "x" ; then
     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
 fi
 
-# specify the metakit location
-AC_ARG_WITH(metakit, [  --with-metakit=PREFIX   Specify the prefix path to metakit])
-
-if test "x$with_metakit" != "x" ; then
-    echo "metakit prefix is $with_metakit"
-    EXTRA_DIRS="${EXTRA_DIRS} $with_metakit"
-fi
-
 dnl Used by JSBSim to conditionally compile in fgfs interface code
 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 
+dnl Used to control whether clouds3d should be compiled in or not
+AC_DEFINE([FG_USE_CLOUDS_3D], 1, [Define to use 3D cloud support])
+AM_CONDITIONAL(FG_USE_CLOUDS_3D, test "x" = "x")
+
 # Check for MS Windows environment
 AC_CHECK_HEADER(windows.h)
 
@@ -119,6 +109,12 @@ case "${host}" in
     echo no EXTRA_DIRS for $host
     ;;
 
+*-*-cygwin*)
+    if test -d /usr/local ; then
+        EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
+    fi
+    ;;
+
 *)
     if test -d /usr/X11R6 ; then
         EXTRA_DIR1="/usr/X11R6"
@@ -126,7 +122,7 @@ case "${host}" in
     if test -d /opt/X11R6 ; then
         EXTRA_DIR2="/opt/X11R6"
     fi
-    EXTRA_DIRS="$EXTRA_DIR1 $EXTRA_DIR2"
+    EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2 /usr/local/"
     ;;
 
 esac
@@ -152,17 +148,25 @@ if test "$have_timezone" = yes; then
 fi
 
 dnl add correct audio libs and configure for audio support
-audio_LIBS="-lplibsl -lplibsm"
+LIBS="-lplibsl -lplibsm"
+
+dnl search for FreeBSD library
+AC_SEARCH_LIBS(hid_init, usbhid)
+
 case "${host}" in
 *-*-cygwin* | *-*-mingw32*)
-    audio_LIBS="$audio_LIBS -lwinmm"
+    LIBS="$LIBS -lwinmm"
+    ;;
+*-apple-darwin*)
+    LIBS="$LIBS -framework IOKit -framework CoreFoundation"
     ;;
-
 *-*-irix* )
-    audio_LIBS="$audio_LIBS -laudio"
+    LIBS="$LIBS -laudio"
     ;;
 
 esac
+audio_LIBS="$LIBS"
+LIBS=""
 AC_SUBST(audio_LIBS)
 
 dnl ENABLE_AUDIO_SUPPORT could be depricated at any time in favor of
@@ -185,28 +189,39 @@ esac
 
 dnl Checks for libraries.
 
-null_LIBS="$LIBS"
+dnl Thread related checks
+AC_SEARCH_LIBS(pthread_cancel, [pthread c_r])
+if test "x$ac_cv_header_pthread_h" = "xyes"; then
+  if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
+    CXXFLAGS="-pthread $CXXFLAGS"
+    CFLAGS="-pthread $FLAGS"
+  fi
+fi
 
-AC_CHECK_LIB(m, cos)
+thread_LIBS="$LIBS"
+LIBS=""
 
-base_LIBS="$LIBS"
+dnl search for network related libraries
+AC_SEARCH_LIBS(inet_addr, xnet)
+AC_SEARCH_LIBS(socket, socket)
+AC_SEARCH_LIBS(main, nsl)
 
-dnl Thread related checks
-AC_CHECK_LIB(pthread, pthread_exit)
-AC_CHECK_LIB(socket, socket)
+network_LIBS="$LIBS"
+LIBS=""
+
+dnl check for some default libraries
+AC_SEARCH_LIBS(cos, m)
+AC_SEARCH_LIBS(dlclose, dl)
+
+base_LIBS="$LIBS"
 
-dnl check for glut location
-AC_CHECK_HEADER(GL/glut.h)
-if test "x$ac_cv_header_GL_glut_h" = "xyes"; then
-    AC_DEFINE([GLUT_H], "GL/glut.h", [Define as glut.h include location])
+dnl Check for SDL if enabled.
+AC_ARG_ENABLE(sdl, [  --enable-sdl                  Configure to use SDL instead of GLUT], [enable_sdl="$enableval"])
+AM_CONDITIONAL(USE_SDL, test "x$enable_sdl" = "xyes")
+if test "x$enable_sdl" = "xyes"; then
+    AC_DEFINE([PU_USE_SDL], 1, [Define to use SDL])
 else
-    AC_CHECK_HEADER(GLUT/glut.h)
-    if test "x$ac_cv_header_GLUT_glut_h" = "xyes"; then
-        AC_DEFINE([GLUT_H], "GLUT/glut.h", [Define as glut.h include location])
-    else
-        echo "Neither GL/glut.h nor GLUT/glut.h found.  Cannot continue"
-        exit
-    fi
+    AC_DEFINE([PU_USE_GLUT], 1, [Define to use glut])
 fi
 
 dnl check for OpenGL related libraries
@@ -218,8 +233,13 @@ case "${host}" in
     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 
-    LIBS="$LIBS -lglut32 -lglu32 -lopengl32"
-    LIBS="$LIBS -luser32 -lgdi32"
+    if test "x$enable_sdl" = "xyes"; then
+        AC_SEARCH_LIBS(SDL_Init, SDL)
+    else
+        LIBS="$LIBS -lglut32"
+    fi
+
+    LIBS="$LIBS -lglu32 -lopengl32 -luser32 -lgdi32"
 
     dnl add -lwsock32 for mingwin
     case "${host}" in
@@ -236,7 +256,7 @@ case "${host}" in
 *-apple-darwin*)
     dnl Mac OS X
 
-    LIBS="$LIBS -framework GLUT -framework OpenGL -framework Carbon -lobjc"
+    LIBS="$LIBS -framework GLUT -framework OpenGL -framework AGL -framework Carbon -lobjc"
     ;;
 
 *)
@@ -244,47 +264,34 @@ case "${host}" in
 
     dnl Skip X11 library tests if requested.
     if test "x$no_x" != "xyes"; then
-        AC_CHECK_LIB(X11, XCreateWindow)
-        AC_CHECK_LIB(Xext, XShmCreateImage)
-        AC_CHECK_LIB(Xi, XGetExtensionVersion)
-        AC_CHECK_LIB(ICE, IceOpenConnection)
-        AC_CHECK_LIB(SM, SmcOpenConnection)
-        AC_CHECK_LIB(Xt, XtMalloc)
-        AC_CHECK_LIB(Xmu, XmuLookupStandardColormap)
+        AC_SEARCH_LIBS(XCreateWindow, X11)
+        AC_SEARCH_LIBS(XShmCreateImage, Xext)
+        AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
+        AC_SEARCH_LIBS(IceOpenConnection, ICE)
+        AC_SEARCH_LIBS(SmcOpenConnection, SM)
+        AC_SEARCH_LIBS(XtMalloc, Xt)
+        AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
     fi
 
-    AC_CHECK_LIB(GLcore, glNewList)
-    if test "x$ac_cv_lib_GLcore_glNewList" = "xno" ; then
-	dnl if no GLcore, check for GL
-	AC_CHECK_LIB(GL, glNewList)
-	if test "x$ac_cv_lib_GL_glNewList" = "xno" ; then
-	    dnl if no GL, check for MesaGL
-	    AC_CHECK_LIB(MesaGL, glNewList)
-	fi
-    else
-    	dnl if GLcore found, then also check for GL
-	AC_CHECK_LIB(GL, glXCreateContext)
+    AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
+    if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
+        dnl if GLcore found, then also check for GL
+        AC_SEARCH_LIBS(glXCreateContext, GL)
     fi
 
     dnl if using mesa, check for xmesa.h
-    if test "x$ac_cv_lib_MesaGL_glNewList" = "xyes" ; then
-	AC_CHECK_HEADER(GL/fxmesa.h)
-	if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
-	    AC_DEFINE([XMESA], 1, [Define for fxmesa])
+    if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
+        AC_CHECK_HEADER(GL/fxmesa.h)
+        if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
+            AC_DEFINE([XMESA], 1, [Define for fxmesa])
             AC_DEFINE([FX], 1, [Define for fxmesa])
         fi
     fi
 
-    AC_CHECK_LIB(GLU, gluLookAt)
-    if test "x$ac_cv_lib_GLU_gluLookAt" = "xno" ; then
-	dnl if no GLU, check for MesaGLU
-	AC_CHECK_LIB(MesaGLU, gluLookAt)
-    fi
-
-    AC_CHECK_LIB(glut, glutGetModifiers)
-    if test "x$ac_cv_lib_glut_glutGetModifiers" = "xno" ; then
-        dnl if no "real" glut, check for freeglut
-        AC_CHECK_LIB(freeglut, glutGetModifiers)
+    AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
+    AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
+    if test "x$enable_sdl" = "xyes"; then
+        AC_SEARCH_LIBS(SDL_Init, SDL)
     fi
     ;;
 
@@ -293,8 +300,47 @@ esac
 opengl_LIBS="$LIBS"
 LIBS="$base_LIBS"
 
+dnl search for FreeBSD library
+AC_SEARCH_LIBS(hid_init, usbhid)
+
+dnl check for OpenAL libraries
+case "${host}" in
+*-*-cygwin* | *-*-mingw32*)
+    dnl CygWin under Windoze.
+
+    AC_SEARCH_LIBS(alGenBuffers, openal32)
+    AC_SEARCH_LIBS(alutInit, [ openal32 ALut ] )
+    LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
+    openal_LIBS="$LIBS"
+    ;;
+
+*-apple-darwin*)
+    dnl Mac OS X
+
+    LIBS="$LIBS -framework IOKit -framework OpenAL"
+    openal_LIBS="$LIBS"
+    ;;
+
+*)
+    dnl default unix style machines
+
+    save_LIBS=$LIBS
+    LIBS="$LIBS $thread_LIBS"
+    AC_SEARCH_LIBS(alGenBuffers, openal)
+    OPENAL_OK="$ac_cv_search_alGenBuffers"
+    openal_LIBS="$LIBS"
+    LIBS=$save_LIBS
+    ;;
+
+esac
+
+LIBS="$base_LIBS"
+
 AC_SUBST(base_LIBS)
+AC_SUBST(openal_LIBS)
 AC_SUBST(opengl_LIBS)
+AC_SUBST(thread_LIBS)
+AC_SUBST(network_LIBS)
 
 # The following are C++ items that need to be tested for with the c++
 # compiler
@@ -314,11 +360,11 @@ if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
     exit
 fi
 
-AC_MSG_CHECKING([for plib 1.6.0 or newer])
+AC_MSG_CHECKING([for plib 1.8.0 or newer])
 AC_TRY_RUN([
 #include <plib/ul.h>
 
-#define MIN_PLIB_VERSION 160
+#define MIN_PLIB_VERSION 170
 
 int main() {
     int major, minor, micro;
@@ -333,63 +379,14 @@ int main() {
 ],
   AC_MSG_RESULT(yes),
   [AC_MSG_RESULT(wrong version);
-   AC_MSG_ERROR([Install plib 1.6.0 or later first...])],
+   AC_MSG_ERROR([Install plib 1.8.0 or later first...])],
   AC_MSG_RESULT(yes)
 )
 
 dnl If we get here then plib is available, so force use of plib
 dnl joystick lib
 AC_DEFINE([ENABLE_PLIB_JOYSTICK], 1, [Define to enable plib joystick support])
-AC_DEFINE([FG_PLIB_JOYSTICK_GETNAME], 1,
-          [Define to enable plib joystick name support])
 
-dnl Check for MetaKit
-AC_CHECK_HEADER(mk4.h)
-if test "x$ac_cv_header_mk4_h" != "xyes"; then
-    echo
-    echo "MetaKit library not found."
-    echo
-    echo "If your OS does not provide an installable package for MetaKit"
-    echo "you will have to compile and install it first yourself.  A copy"
-    echo "of metakit-$(VERSION).tar.gz is included with SimGear.  You will"
-    echo "have to untar this source code, and follow it's included instructions"
-    echo "to compile and install on your system."
-    echo
-    echo "configure aborted."
-    exit
-fi
-
-AC_MSG_CHECKING([for metakit 2.4.3 or newer])
-saved_LIBS="$LIBS"
-LIBS="$saved_LIBS -lmk4"
-AC_TRY_RUN([
-#include <mk4.h>
-
-#define MIN_MK4_VERSION 243
-
-int main() {
-    int major, minor, micro;
-
-    if ( d4_MetaKitLibraryVersion < MIN_MK4_VERSION ) {
-	 return -1;
-    }
-
-    return 0;
-}
-
-],
-  AC_MSG_RESULT(yes),
-  [AC_MSG_RESULT(wrong version);
-   AC_MSG_ERROR([
-
-Install metakit 2.4.3 or later first.
-
-Or, the compiler may not be finding your libmk4.so library.
-Please check the config.log file for specific details of the
-failure if you believe you have the correct metakit version.
-Also, look up this issue in the FlightGear FAQ.])],
-  AC_MSG_RESULT(yes)
-)
 
 dnl Check for the presence of SimGear
 AC_CHECK_HEADER(simgear/version.h)
@@ -404,7 +401,7 @@ if test "x$ac_cv_header_simgear_version_h" != "xyes"; then
     exit
 fi
 
-AC_MSG_CHECKING([for simgear 0.3.0 or newer])
+AC_MSG_CHECKING([for simgear 0.3.8 or newer])
 AC_TRY_RUN([
 #include <stdio.h>
 
@@ -415,20 +412,19 @@ AC_TRY_RUN([
 
 #define MIN_MAJOR 0
 #define MIN_MINOR 3
-#define MIN_MICRO 0
+#define MIN_MICRO 8
 
 int main() {
     int major, minor, micro;
 
-    printf("%d.%d.%d or greater... ", MIN_MAJOR, MIN_MINOR, MIN_MICRO);
+    /* printf("%d.%d.%d or greater, ", MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
+    printf("[found %s] ... ", STRINGIFY(SIMGEAR_VERSION));
 
     sscanf( STRINGIFY(SIMGEAR_VERSION), "%d.%d.%d", &major, &minor, &micro );
 
-    if ( major < MIN_MAJOR ) {
-	 return -1;
-    } else if ( major == MIN_MAJOR && minor < MIN_MINOR ) {
-	 return -1;
-    } else if ( major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO ){
+    if ( (major < MIN_MAJOR) ||
+         (major == MIN_MAJOR && minor < MIN_MINOR) ||
+         (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
 	 return -1;
     }
 
@@ -444,7 +440,7 @@ int main() {
 
 LIBS="$saved_LIBS"
 
-dnl Check if SimGear was built with Norman JPEG factory support
+dnl Check if SimGear was built with Norman's JPEG factory support
 AC_CHECK_HEADER(simgear/screen/jpgfactory.hxx)
 if test "x$ac_cv_header_simgear_screen_jpgfactory_hxx" = "xyes"; then
     AC_CHECK_LIB(jpeg, jpeg_start_compress)
@@ -486,7 +482,7 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS( \
 	fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
-        sys/time.h sys/timeb.h unistd.h windows.h winbase.h values.h )
+        sys/time.h sys/timeb.h unistd.h windows.h values.h )
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -495,11 +491,15 @@ AC_HEADER_TIME
 AC_STRUCT_TM
 
 dnl Checks for library functions.
+old_LIBS=$LIBS
+LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 AC_TYPE_SIGNAL
 AC_FUNC_VPRINTF
-AC_CHECK_FUNCS( \
-        ftime gettimeofday timegm memcpy bcopy mktime strstr rand \
-	random drand48 setitimer getitimer signal GetLocalTime rint getrusage )
+AC_CHECK_FUNCS( [ \
+        ftime gettimeofday timegm memcpy bcopy mktime strstr rand mkfifo \
+	random drand48 setitimer getitimer signal GetLocalTime rint getrusage \
+	truncf ] )
+LIBS=$old_LIBS
 
 AM_CONFIG_HEADER(src/Include/config.h)
 
@@ -514,10 +514,13 @@ AC_CONFIG_FILES([ \
 	man/pstest.1 \
         scripts/Makefile \
         scripts/debug/Makefile \
+        scripts/perl/Makefile \
+        scripts/perl/examples/Makefile \
         scripts/python/Makefile \
 	src/Makefile \
 	src/Include/Makefile \
 	src/Include/version.h \
+	src/Include/config.h-msvc6 \
 	src/Aircraft/Makefile \
 	src/Airports/Makefile \
 	src/ATC/Makefile \
@@ -528,9 +531,11 @@ AC_CONFIG_FILES([ \
 	src/Environment/Makefile \
 	src/FDM/Balloon/Makefile \
 	src/FDM/ExternalNet/Makefile \
+	src/FDM/ExternalPipe/Makefile \
 	src/FDM/JSBSim/Makefile \
 	src/FDM/JSBSim/filtersjb/Makefile \
 	src/FDM/LaRCsim/Makefile \
+	src/FDM/SP/Makefile \
 	src/FDM/UIUCModel/Makefile \
 	src/FDM/YASim/Makefile \
 	src/FDM/Makefile \
@@ -541,18 +546,23 @@ AC_CONFIG_FILES([ \
 	src/Main/runfgfs \
 	src/Main/runfgfs.bat \
 	src/Model/Makefile \
+	src/AIModel/Makefile \
+	src/MultiPlayer/Makefile \
 	src/Navaids/Makefile \
 	src/Network/Makefile \
-	src/NetworkOLK/Makefile \
 	src/Objects/Makefile \
+	src/Replay/Makefile \
 	src/Scenery/Makefile \
+	src/Scripting/Makefile \
 	src/Sound/Makefile \
 	src/Systems/Makefile \
 	src/Time/Makefile \
-	src/WeatherCM/Makefile \
+	src/Traffic/Makefile \
 	tests/Makefile \
 	utils/Makefile \
 	utils/TerraSync/Makefile \
+	utils/Modeller/Makefile \
+	utils/js_server/Makefile \
 ])
 AC_OUTPUT
 
@@ -573,12 +583,8 @@ fi
 echo -n "Automake version: "
 automake --version | head -1
 
-echo "New plib joystick name support: $plib_js_has_getname"
-
-if test "x$with_weathercm" != "x"; then
-    echo "WeatherCM instead of FGEnvironment: $with_weathercm"
-else
-    echo "Using FGEnvironment"
+if test "x$with_multiplayer" != "xno"; then
+    echo "Building with multiplayer support"
 fi
 
 if test "x$with_threads" = "xyes"; then
@@ -586,3 +592,10 @@ if test "x$with_threads" = "xyes"; then
 else
     echo "threads: no"
 fi
+
+if test "x$enable_sp_fdms" != "xno"; then
+    echo "Include special purpose flight models: yes"
+else
+    echo "Include special purpose flight models: no"
+fi
+