diff options
Diffstat (limited to 'Modules/FindBoost.cmake')
| -rw-r--r-- | Modules/FindBoost.cmake | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake index 552c2fd..023cc8d 100644 --- a/Modules/FindBoost.cmake +++ b/Modules/FindBoost.cmake @@ -85,33 +85,33 @@ The following :prop_tgt:`IMPORTED` targets are also defined:: Boost::dynamic_linking - interface target to enable dynamic linking linking with MSVC (adds BOOST_ALL_DYN_LINK) -Implicit dependencies such as Boost::filesystem requiring -Boost::system will be automatically detected and satisfied, even -if system is not specified when using find_package and if -Boost::system is not added to target_link_libraries. If using -Boost::thread, then Threads::Threads will also be added automatically. +Implicit dependencies such as ``Boost::filesystem`` requiring +``Boost::system`` will be automatically detected and satisfied, even +if system is not specified when using :command:`find_package` and if +``Boost::system`` is not added to :command:`target_link_libraries`. If using +``Boost::thread``, then ``Threads::Threads`` will also be added automatically. It is important to note that the imported targets behave differently than variables created by this module: multiple calls to -find_package(Boost) in the same directory or sub-directories with +:command:`find_package(Boost)` in the same directory or sub-directories with different options (e.g. static or shared) will not override the values of the targets created by the first call. -Users may set these hints or results as cache entries. Projects +Users may set these hints or results as ``CACHE`` entries. Projects should not read these entries directly but instead use the above result variables. Note that some hint names start in upper-case "BOOST". One may specify these as environment variables if they are not specified as CMake variables or cache entries. -This module first searches for the Boost header files using the above -hint variables (excluding BOOST_LIBRARYDIR) and saves the result in -Boost_INCLUDE_DIR. Then it searches for requested component libraries -using the above hints (excluding BOOST_INCLUDEDIR and -Boost_ADDITIONAL_VERSIONS), "lib" directories near Boost_INCLUDE_DIR, +This module first searches for the ``Boost`` header files using the above +hint variables (excluding ``BOOST_LIBRARYDIR``) and saves the result in +``Boost_INCLUDE_DIR``. Then it searches for requested component libraries +using the above hints (excluding ``BOOST_INCLUDEDIR`` and +``Boost_ADDITIONAL_VERSIONS``), "lib" directories near ``Boost_INCLUDE_DIR``, and the library name configuration settings below. It saves the -library directories in Boost_LIBRARY_DIR_DEBUG and -Boost_LIBRARY_DIR_RELEASE and individual library -locations in Boost_<C>_LIBRARY_DEBUG and Boost_<C>_LIBRARY_RELEASE. +library directories in ``Boost_LIBRARY_DIR_DEBUG`` and +``Boost_LIBRARY_DIR_RELEASE`` and individual library +locations in ``Boost_<C>_LIBRARY_DEBUG`` and ``Boost_<C>_LIBRARY_RELEASE``. When one changes settings used by previous searches in the same build tree (excluding environment variables) this module discards previous search results affected by the changes and searches again. @@ -179,9 +179,9 @@ Other variables one may set to control this module are:: On Visual Studio and Borland compilers Boost headers request automatic linking to corresponding libraries. This requires matching libraries to be linked explicitly or available in the link library search path. -In this case setting Boost_USE_STATIC_LIBS to OFF may not achieve +In this case setting ``Boost_USE_STATIC_LIBS`` to ``OFF`` may not achieve dynamic linking. Boost automatic linking typically requests static -libraries with a few exceptions (such as Boost.Python). Use:: +libraries with a few exceptions (such as ``Boost.Python``). Use:: add_definitions(${Boost_LIB_DIAGNOSTIC_DEFINITIONS}) @@ -230,12 +230,12 @@ Boost CMake If Boost was built using the boost-cmake project it provides a package configuration file for use with find_package's Config mode. This module looks for the package configuration file called -BoostConfig.cmake or boost-config.cmake and stores the result in cache -entry "Boost_DIR". If found, the package configuration file is loaded +``BoostConfig.cmake`` or ``boost-config.cmake`` and stores the result in +``CACHE`` entry "Boost_DIR". If found, the package configuration file is loaded and this module returns with no further action. See documentation of the Boost CMake package configuration for details on what it provides. -Set Boost_NO_BOOST_CMAKE to ON to disable the search for boost-cmake. +Set ``Boost_NO_BOOST_CMAKE`` to ``ON``, to disable the search for boost-cmake. #]=======================================================================] # Save project's policies @@ -465,7 +465,7 @@ function(_Boost_GUESS_COMPILER_PREFIX _ret) endif() elseif (GHSMULTI) set(_boost_COMPILER "-ghs") - elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC") + elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC" OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC") if(MSVC_TOOLSET_VERSION GREATER_EQUAL 150) # Not yet known. set(_boost_COMPILER "") @@ -486,6 +486,12 @@ function(_Boost_GUESS_COMPILER_PREFIX _ret) else() # VS 6.0 Good luck! set(_boost_COMPILER "-vc6") # yes, this is correct endif() + + if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang") + string(REPLACE "." ";" VERSION_LIST "${CMAKE_CXX_COMPILER_VERSION}") + list(GET VERSION_LIST 0 CLANG_VERSION_MAJOR) + set(_boost_COMPILER "-clangw${CLANG_VERSION_MAJOR};${_boost_COMPILER}") + endif() elseif (BORLAND) set(_boost_COMPILER "-bcb") elseif(CMAKE_CXX_COMPILER_ID STREQUAL "SunPro") @@ -1224,6 +1230,8 @@ if(NOT TARGET Boost::diagnostic_definitions) add_library(Boost::diagnostic_definitions INTERFACE IMPORTED) add_library(Boost::disable_autolinking INTERFACE IMPORTED) add_library(Boost::dynamic_linking INTERFACE IMPORTED) + set_target_properties(Boost::dynamic_linking PROPERTIES + INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_DYN_LINK") endif() if(WIN32) # In windows, automatic linking is performed, so you do not have @@ -1248,8 +1256,6 @@ if(WIN32) INTERFACE_COMPILE_DEFINITIONS "BOOST_LIB_DIAGNOSTIC") set_target_properties(Boost::disable_autolinking PROPERTIES INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_NO_LIB") - set_target_properties(Boost::dynamic_linking PROPERTIES - INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_DYN_LINK") endif() _Boost_CHECK_SPELLING(Boost_ROOT) |