Permit un-breaking of FlightGear CMake builds on setups with a working HLA
RTI installed, accommodating with recent changes to SimGear CMake.
option(ENABLE_FGADMIN "Set to ON to build FlightGear with FGADMIN" ON)
option(EVENT_INPUT "Set to ON to build FlightGear with event-based Input support" OFF)
option(ENABLE_LIBSVN "Set to ON to build FlightGear/terrasync with libsvnclient support" ON)
+option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
option(WITH_FGPANEL "Set to ON to build the fgpanel application" ON)
set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
endif(NOT CLOCK_GETTIME_IN_LIBC)
endif(HAVE_CLOCK_GETTIME)
-find_package(RTI)
-if(RTI_FOUND)
- set(FG_HAVE_HLA 1)
-endif()
+if(ENABLE_RTI)
+ find_package(RTI)
+ if(RTI_FOUND)
+ set(FG_HAVE_HLA 1)
+ endif(RTI_FOUND)
+endif(ENABLE_RTI)
if(CMAKE_COMPILER_IS_GNUCXX)
set(WARNING_FLAGS -Wall)