Support for linking against OSG debugging libraries.

configure.ac

@@ -213,6 +213,9 @@ else
     fi
 fi
 
+AC_ARG_ENABLE(osgdebug, [  --enable-osgdebug                  Use OSG debug libraries], [enable_osgdebug="$enableval"])
+AM_CONDITIONAL(USE_OSGDEBUG, test "x$enable_osgdebug" = "xyes")
+
 dnl check for OpenGL related libraries
 case "${host}" in
 *-*-cygwin* | *-*-mingw32*)

src/Main/Makefile.am

@@ -25,6 +25,12 @@ GFX_CODE = fg_os.cxx fg_os.hxx
 endif
 endif
 
+if USE_OSGDEBUG
+OSG_LIBS = -losgViewerd -losgGAd -losgTextd -losgFXd -losgUtild -losgDBd -losgSimd -losgd -lOpenThreadsd
+else
+OSG_LIBS = -losgViewer -losgGA -losgText -losgFX -losgUtil -losgDB -losgSim -losg -lOpenThreads 
+endif
+
 JSBSIM_LIBS = \
 	$(top_builddir)/src/FDM/JSBSim/libJSBSim.a \
         $(top_builddir)/src/FDM/JSBSim/initialization/libInit.a \
@@ -104,7 +110,7 @@ fgfs_LDADD = \
 	-lsgstructure -lsgenvironment \
 	-lplibpuaux -lplibpu -lplibfnt -lplibjs -lplibnet \
 	-lplibsg -lplibul \
-	-losgViewer -losgGA -losgText -losgFX -losgUtil -losgDB -losgSim -losg -lOpenThreads \
+	$(OSG_LIBS) \
 	$(THREAD_LIBS) \
 	$(network_LIBS) \
 	-lz \