Allow compiling against shared SG libs.
This needs testing.
This commit is contained in:
Christian Schmitt
parent
a9d810d447
commit
6e5c55fc24
1 changed files with 129 additions and 80 deletions
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@ -1,6 +1,8 @@
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# Locate SimGear
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# This module defines
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# SIMGEAR_LIBRARIES
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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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@ -23,19 +25,63 @@
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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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# Per my request, CMake should search for frameworks first in
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# the following order:
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# ~/Library/Frameworks/SimGear.framework/Headers
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# /Library/Frameworks/SimGear.framework/Headers
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# /System/Library/Frameworks/SimGear.framework/Headers
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#
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# On OS X, this will prefer the Framework version (if found) over others.
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# People will have to manually change the cache values of
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# SimGear_LIBRARIES to override this selection or set the CMake environment
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# CMAKE_INCLUDE_PATH to modify the search paths.
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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 ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
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PATHS
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/usr/local
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/usr
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/opt
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)
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FIND_LIBRARY(${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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/usr/local
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/usr
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/opt
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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 ${componentLibDebug})
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endif()
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endmacro()
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macro(find_sg_component comp libs)
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set(compLib "sg${comp}")
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string(TOUPPER "SIMGEAR_${comp}" libVar)
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find_sg_library(${compLib} ${libVar} ${libs})
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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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@ -47,69 +93,56 @@ FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
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/opt
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)
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message(STATUS ${SIMGEAR_INCLUDE_DIR})
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# make sure the simgear include directory exists
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if (NOT SIMGEAR_INCLUDE_DIR)
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message(FATAL_ERROR "Cannot find SimGear includes! (Forgot 'make install' for SimGear?) "
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"Compile & INSTALL SimGear before configuring FlightGear. "
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"When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
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endif()
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# check for dynamic framework/library
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FIND_LIBRARY(SIMGEAR_LIBRARIES
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NAMES simgear SimGear
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HINTS
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$ENV{SIMGEAR_DIR}
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PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local
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/usr
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/opt
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)
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message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}")
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# make sure the simgear/version.h header exists
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if (NOT EXISTS ${SIMGEAR_INCLUDE_DIR}/simgear/version.h)
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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.")
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endif()
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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 sgVersionFile)
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string(STRIP ${sgVersionFile} SIMGEAR_DEFINE)
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string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION ${SIMGEAR_DEFINE})
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message(STATUS "found SimGear version: ${SIMGEAR_VERSION} (needed at least ${SimGear_FIND_VERSION})")
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if(NOT ${SIMGEAR_VERSION} GREATER ${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 ${SimGear_FIND_VERSION} as required by TerraGear. "
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"When using multiple SimGear installations, please use 'SIMGEAR_DIR' "
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"to select the SimGear library location to be used.")
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endif()
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# dependent packages
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find_package(ZLIB REQUIRED)
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find_package(Threads REQUIRED)
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macro(find_sg_component comp libs)
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set(compLib "sg${comp}")
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string(TOUPPER "SIMGEAR_${comp}" compLibBase)
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set( compLibName ${compLibBase}_LIBRARY )
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if(SIMGEAR_SHARED)
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message(STATUS "looking for shared Simgear libraries")
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FIND_LIBRARY(${compLibName}_DEBUG
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NAMES ${compLib}${CMAKE_DEBUG_POSTFIX}
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HINTS $ENV{SIMGEAR_DIR}
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PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
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PATHS
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/usr/local
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/usr
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/opt
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)
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FIND_LIBRARY(${compLibName}_RELEASE
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NAMES ${compLib}${CMAKE_RELEASE_POSTFIX}
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HINTS $ENV{SIMGEAR_DIR}
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PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
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PATHS
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/usr/local
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/usr
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/opt
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)
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select_library_configurations( ${compLibBase} )
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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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set(componentLibRelease ${${compLibName}_RELEASE})
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#message(STATUS "Simgear ${compLibName}_RELEASE ${componentLibRelease}")
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set(componentLibDebug ${${compLibName}_DEBUG})
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#message(STATUS "Simgear ${compLibName}_DEBUG ${componentLibDebug}")
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if (NOT ${compLibName}_DEBUG)
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if (NOT ${compLibName}_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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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 ${SIMGEAR_LIBRARIES}")
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else(SIMGEAR_SHARED)
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if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
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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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# note the order here affects the order Simgear libraries are
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# linked in, and hence ability to link when using a traditional
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@ -127,7 +160,8 @@ if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
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misc
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threads
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debug
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magvar)
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magvar
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)
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set(scene_comps
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ephem
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@ -140,14 +174,16 @@ if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
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foreach(component ${comps})
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find_sg_component(${component} SIMGEAR_CORE_LIBRARIES)
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endforeach()
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foreach(component ${scene_comps})
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find_sg_component(${component} SIMGEAR_LIBRARIES)
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endforeach()
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# again link order matters - scene libraires depend on core ones
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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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#message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
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set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES
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${CMAKE_THREAD_LIBS_INIT}
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${ZLIB_LIBRARY})
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@ -158,28 +194,35 @@ if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
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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_function_exists(clock_gettime clock_gettime_in_libc)
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if(NOT clock_gettime_in_libc)
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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 clock_gettime_in_libc)
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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, check its version
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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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message(STATUS "looking for version: ${SimGear_FIND_VERSION}")
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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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@ -205,9 +248,15 @@ check_cxx_source_runs(
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return 0;
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}
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"
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SIMGEAR_VERSION_OK)
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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_INCLUDE_DIR SIMGEAR_VERSION_OK)
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SIMGEAR_LIBRARIES SIMGEAR_CORE_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_COMPILE_TEST)
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