X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=CMakeModules%2FFindSimGear.cmake;h=5c21f5716e69df9d1d993652f4ab2cf0d15f4042;hb=06083672573b525793300fd14e63df242c99248c;hp=84ee6649f284b5e905da7ce5458fde067abe262d;hpb=c112b8b8e169a427e8cb0da871347e5c10031479;p=flightgear.git diff --git a/CMakeModules/FindSimGear.cmake b/CMakeModules/FindSimGear.cmake index 84ee6649f..5c21f5716 100644 --- a/CMakeModules/FindSimGear.cmake +++ b/CMakeModules/FindSimGear.cmake @@ -29,7 +29,10 @@ include(SelectLibraryConfigurations) macro(find_sg_library libName varName libs) set(libVarName "${varName}_LIBRARY") - + # do not cache the library check + unset(${libVarName}_DEBUG CACHE) + unset(${libVarName}_RELEASE CACHE) + FIND_LIBRARY(${libVarName}_DEBUG NAMES ${libName}${CMAKE_DEBUG_POSTFIX} HINTS $ENV{SIMGEAR_DIR} @@ -90,7 +93,42 @@ FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx /opt ) -# message(STATUS ${SIMGEAR_INCLUDE_DIR}) +# make sure the simgear include directory exists +if (NOT SIMGEAR_INCLUDE_DIR) + message(FATAL_ERROR "Cannot find SimGear includes! (Forgot 'make install' for SimGear?) " + "Compile & INSTALL SimGear before configuring FlightGear. " + "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.") +endif() + +message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}") + +# read the simgear version header file, get the version +file(READ ${SIMGEAR_INCLUDE_DIR}/simgear/version.h SG_VERSION_FILE) + +# make sure the simgear/version.h header exists +if (NOT SG_VERSION_FILE) + message(FATAL_ERROR "Found SimGear, but it does not contain a simgear/version.h include! " + "SimGear installation is incomplete or mismatching.") +endif() + +string(STRIP "${SG_VERSION_FILE}" SIMGEAR_DEFINE) +string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION "${SIMGEAR_DEFINE}") + +if(NOT SIMGEAR_VERSION) + message(FATAL_ERROR "Unable to find SimGear or simgear/version.h does not exist/is invalid. " + "Make sure you have installed the SimGear ${SimGear_FIND_VERSION} includes. " + "When using non-standard locations, please use 'SIMGEAR_DIR' " + "to select the SimGear library location to be used.") +endif() + +message(STATUS "found SimGear version: ${SIMGEAR_VERSION} (needed ${SimGear_FIND_VERSION})") + +if(NOT "${SIMGEAR_VERSION}" EQUAL "${SimGear_FIND_VERSION}") + message(FATAL_ERROR "You have installed a mismatching SimGear version ${SIMGEAR_VERSION} " + "instead of ${SimGear_FIND_VERSION} as required by FlightGear. " + "When using multiple SimGear installations, please use 'SIMGEAR_DIR' " + "to select the SimGear library location to be used.") +endif() # dependent packages find_package(ZLIB REQUIRED) @@ -113,7 +151,7 @@ else(SIMGEAR_SHARED) set(SIMGEAR_LIBRARIES "") # clear value set(SIMGEAR_CORE_LIBRARIES "") # clear value - message(STATUS "looking for static Simgear libraries") + message(STATUS "looking for static SimGear libraries") # note the order here affects the order Simgear libraries are # linked in, and hence ability to link when using a traditional @@ -121,14 +159,15 @@ else(SIMGEAR_SHARED) set(comps environment nasal + tsync + bvh bucket - route - timing io serial math props structure + timing xml misc threads @@ -137,14 +176,12 @@ else(SIMGEAR_SHARED) ) set(scene_comps - tsync ephem sky material tgdb model screen - bvh util sound) @@ -156,7 +193,6 @@ else(SIMGEAR_SHARED) find_sg_component(${component} SIMGEAR_LIBRARIES) endforeach() - # again link order matters - scene libraries depend on core ones list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES}) @@ -164,12 +200,12 @@ else(SIMGEAR_SHARED) set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES ${CMAKE_THREAD_LIBS_INIT} - ${ZLIB_LIBRARY}) + ${ZLIB_LIBRARY} + ${LIBSVN_LIBRARIES} + ${WINMM_LIBRARY}) set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES - ${ALUT_LIBRARY} - ${OPENAL_LIBRARY} - ${LIBSVN_LIBRARIES}) + ${OPENAL_LIBRARY}) if(WIN32) list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ws2_32.lib) @@ -177,27 +213,35 @@ else(SIMGEAR_SHARED) if(NOT MSVC) # basic timing routines on non windows systems, may be also cygwin?! - check_function_exists(clock_gettime clock_gettime_in_libc) - if(NOT clock_gettime_in_libc) - check_library_exists(rt clock_gettime "" have_rt) - if(have_rt) - list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES rt) - endif(have_rt) - endif(NOT clock_gettime_in_libc) + check_library_exists(rt clock_gettime "" have_rt) + if(have_rt) + list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES rt) + endif(have_rt) endif(NOT MSVC) endif(SIMGEAR_SHARED) -# now we've found SimGear, check its version +if((NOT SIMGEAR_CORE_LIBRARIES)OR(NOT SIMGEAR_LIBRARIES)) + message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) " + "Compile & INSTALL SimGear before configuring FlightGear. " + "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.") +else() + message(STATUS "found SimGear libraries") +endif() +# now we've found SimGear, try test-compiling using its includes include(CheckCXXSourceRuns) -message(STATUS "looking for version: ${SimGear_FIND_VERSION}") - SET(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR}) +# clear cache, run a fresh compile test every time +unset(SIMGEAR_COMPILE_TEST CACHE) + +# disable OSG dependencies for test-compiling +set(CMAKE_REQUIRED_DEFINITIONS "-DNO_OPENSCENEGRAPH_INTERFACE") check_cxx_source_runs( "#include #include \"simgear/version.h\" + #include \"simgear/math/SGMath.hxx\" #define xstr(s) str(s) #define str(s) #s @@ -214,18 +258,24 @@ check_cxx_source_runs( sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, µ ); - if ( (major < MIN_MAJOR) || - (major == MIN_MAJOR && minor < MIN_MINOR) || - (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) { + if ( (major != MIN_MAJOR) || + (minor != MIN_MINOR) || + (micro != MIN_MICRO) ) { return -1; } return 0; } " - SIMGEAR_VERSION_OK) + SIMGEAR_COMPILE_TEST) + +if(NOT SIMGEAR_COMPILE_TEST) + message(FATAL_ERROR "Oops, you have installed SimGear includes, however test compiling failed. " + "Try removing 'CMakeCache.txt' and reconfigure with 'cmake'.") +endif() +unset(CMAKE_REQUIRED_DEFINITIONS) include(FindPackageHandleStandardArgs) FIND_PACKAGE_HANDLE_STANDARD_ARGS(SimGear DEFAULT_MSG - SIMGEAR_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_VERSION_OK) + SIMGEAR_LIBRARIES SIMGEAR_CORE_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_COMPILE_TEST)