+ CPPFLAGS = "$CPPFLAGS -F$with-osg-framework"
+ export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
+fi
+
+dnl specifying OpenAL.framework (for user provided OpenAL.framework / ALUT)
+AC_ARG_WITH(openal_framework, [ --with-openal-framework=PREFIX Speicfy the prefix path to OpenAL.framework ])
+
+if test "x$with_openal_framework" != "x"; then
+ echo "OpenAL framework prefix is $with_openal_framework"