231 lines
8.2 KiB
CMake
231 lines
8.2 KiB
CMake
# Locate SimGear
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# This module defines
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# SIMGEAR_CORE_LIBRARIES, a list of the core static libraries
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# SIMGEAR_LIBRARIES, a list of all the static libraries (core + scene)
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# SIMGEAR_FOUND, if false, do not try to link to SimGear
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# SIMGEAR_INCLUDE_DIR, where to find the headers
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#
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# $SIMGEAR_DIR is an environment variable that would
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# correspond to the ./configure --prefix=$SIMGEAR_DIR
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# used in building SimGear.
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#
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# Created by James Turner. This was influenced by the FindOpenAL.cmake module.
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#=============================================================================
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# Copyright 2005-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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include(SelectLibraryConfigurations)
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macro(find_sg_library libName varName libs)
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set(libVarName "${varName}_LIBRARY")
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# do not cache the library check
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unset(${libVarName}_DEBUG CACHE)
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unset(${libVarName}_RELEASE CACHE)
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FIND_LIBRARY(${libVarName}_DEBUG
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NAMES ${libName}${CMAKE_DEBUG_POSTFIX}
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HINTS $ENV{SIMGEAR_DIR}
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PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
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PATHS
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${ADDITIONAL_LIBRARY_PATHS}
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)
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FIND_LIBRARY(${libVarName}_RELEASE
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NAMES ${libName}${CMAKE_RELEASE_POSTFIX}
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HINTS $ENV{SIMGEAR_DIR}
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PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
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PATHS
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${ADDITIONAL_LIBRARY_PATHS}
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)
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# message(STATUS "before: Simgear ${${libVarName}_RELEASE} ")
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# message(STATUS "before: Simgear ${${libVarName}_DEBUG} ")
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select_library_configurations( ${varName} )
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# message(STATUS "after:Simgear ${${libVarName}_RELEASE} ")
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# message(STATUS "after:Simgear ${${libVarName}_DEBUG} ")
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set(componentLibRelease ${${libVarName}_RELEASE})
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# message(STATUS "Simgear ${libVarName}_RELEASE ${componentLibRelease}")
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set(componentLibDebug ${${libVarName}_DEBUG})
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# message(STATUS "Simgear ${libVarName}_DEBUG ${componentLibDebug}")
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if (NOT ${libVarName}_DEBUG)
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if (NOT ${libVarName}_RELEASE)
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#message(STATUS "found ${componentLib}")
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list(APPEND ${libs} ${componentLibRelease})
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endif()
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else()
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list(APPEND ${libs} optimized ${componentLibRelease} debug ${componentLibDebug})
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endif()
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endmacro()
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FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
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HINTS $ENV{SIMGEAR_DIR}
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PATH_SUFFIXES include
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PATHS
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${ADDITIONAL_LIBRARY_PATHS}
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)
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# make sure the simgear include directory exists
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if (NOT SIMGEAR_INCLUDE_DIR)
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message(FATAL_ERROR "Cannot find SimGear includes! (Forgot 'make install' for SimGear?) "
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"Compile & INSTALL SimGear before configuring FlightGear. "
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"When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
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endif()
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message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}")
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# read the simgear version header file, get the version
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file(READ ${SIMGEAR_INCLUDE_DIR}/simgear/version.h SG_VERSION_FILE)
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# make sure the simgear/version.h header exists
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if (NOT SG_VERSION_FILE)
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message(FATAL_ERROR "Found SimGear, but it does not contain a simgear/version.h include! "
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"SimGear installation is incomplete or mismatching.")
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endif()
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string(STRIP "${SG_VERSION_FILE}" SIMGEAR_DEFINE)
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string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION "${SIMGEAR_DEFINE}")
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if(NOT SIMGEAR_VERSION)
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message(FATAL_ERROR "Unable to find SimGear or simgear/version.h does not exist/is invalid. "
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"Make sure you have installed the SimGear ${SimGear_FIND_VERSION} includes. "
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"When using non-standard locations, please use 'SIMGEAR_DIR' "
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"to select the SimGear library location to be used.")
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endif()
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message(STATUS "found SimGear version: ${SIMGEAR_VERSION} (needed ${SimGear_FIND_VERSION})")
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if(NOT "${SIMGEAR_VERSION}" EQUAL "${SimGear_FIND_VERSION}")
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message(FATAL_ERROR "You have installed a mismatching SimGear version ${SIMGEAR_VERSION} "
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"instead of ${SimGear_FIND_VERSION} as required by FlightGear. "
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"When using multiple SimGear installations, please use 'SIMGEAR_DIR' "
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"to select the SimGear library location to be used.")
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endif()
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# dependent packages
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find_package(ZLIB REQUIRED)
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find_package(Threads REQUIRED)
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if(SIMGEAR_SHARED)
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message(STATUS "looking for shared Simgear libraries")
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find_sg_library(SimGearCore SIMGEAR_CORE SIMGEAR_CORE_LIBRARIES)
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find_sg_library(SimGearScene SIMGEAR_SCENE SIMGEAR_LIBRARIES)
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list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
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set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES "")
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set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES "")
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# message(STATUS "core lib ${SIMGEAR_CORE_LIBRARIES}")
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# message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
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else(SIMGEAR_SHARED)
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set(SIMGEAR_LIBRARIES "") # clear value
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set(SIMGEAR_CORE_LIBRARIES "") # clear value
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message(STATUS "looking for static SimGear libraries")
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find_sg_library(SimGearCore SIMGEAR_CORE SIMGEAR_CORE_LIBRARIES)
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find_sg_library(SimGearScene SIMGEAR_SCENE SIMGEAR_LIBRARIES)
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# again link order matters - scene libraries depend on core ones
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list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
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set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES
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${CMAKE_THREAD_LIBS_INIT}
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${ZLIB_LIBRARY}
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${LIBSVN_LIBRARIES}
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${WINMM_LIBRARY})
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set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES
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${OPENAL_LIBRARY})
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if(APPLE)
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find_library(CORESERVICES_LIBRARY CoreServices)
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list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ${CORESERVICES_LIBRARY})
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endif()
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if(WIN32)
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list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ws2_32.lib)
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endif(WIN32)
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if(NOT MSVC)
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# basic timing routines on non windows systems, may be also cygwin?!
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check_library_exists(rt clock_gettime "" have_rt)
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if(have_rt)
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list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES rt)
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endif(have_rt)
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endif(NOT MSVC)
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endif(SIMGEAR_SHARED)
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if((NOT SIMGEAR_CORE_LIBRARIES)OR(NOT SIMGEAR_LIBRARIES))
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message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) "
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"Compile & INSTALL SimGear before configuring FlightGear. "
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"When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
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else()
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message(STATUS "found SimGear libraries")
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endif()
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# now we've found SimGear, try test-compiling using its includes
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include(CheckCXXSourceRuns)
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SET(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR})
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# clear cache, run a fresh compile test every time
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unset(SIMGEAR_COMPILE_TEST CACHE)
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# disable OSG dependencies for test-compiling
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set(CMAKE_REQUIRED_DEFINITIONS "-DNO_OPENSCENEGRAPH_INTERFACE")
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check_cxx_source_runs(
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"#include <cstdio>
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#include \"simgear/version.h\"
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#include \"simgear/math/SGMath.hxx\"
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#define xstr(s) str(s)
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#define str(s) #s
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#define MIN_MAJOR ${SimGear_FIND_VERSION_MAJOR}
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#define MIN_MINOR ${SimGear_FIND_VERSION_MINOR}
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#define MIN_MICRO ${SimGear_FIND_VERSION_PATCH}
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int main() {
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int major, minor, micro;
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/* printf(%d.%d.%d or greater, , MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
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printf(\"found %s ... \", xstr(SIMGEAR_VERSION));
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sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, µ );
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if ( (major != MIN_MAJOR) ||
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(minor != MIN_MINOR) ||
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(micro != MIN_MICRO) ) {
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return -1;
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}
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return 0;
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}
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"
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SIMGEAR_COMPILE_TEST)
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if(NOT SIMGEAR_COMPILE_TEST)
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message(FATAL_ERROR "Oops, you have installed SimGear includes, however test compiling failed. "
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"Try removing 'CMakeCache.txt' and reconfigure with 'cmake'.")
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endif()
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unset(CMAKE_REQUIRED_DEFINITIONS)
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SimGear DEFAULT_MSG
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SIMGEAR_LIBRARIES SIMGEAR_CORE_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_COMPILE_TEST)
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