diff options
Diffstat (limited to 'Modules/FindBoost.cmake')
| -rw-r--r-- | Modules/FindBoost.cmake | 336 |
1 files changed, 208 insertions, 128 deletions
diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake index 77a89911ae..1a9dfbdaab 100644 --- a/Modules/FindBoost.cmake +++ b/Modules/FindBoost.cmake @@ -200,16 +200,16 @@ # BOOST_LIBRARYDIR Set this to the lib directory of Boost, if the # module has problems finding the proper Boost installation # +# Boost_INCLUDE_DIR CMake cache entries storing Boost include directory +# Boost_LIBRARY_DIR and library directory. +# # Variables defined by this module: # # Boost_FOUND System has Boost, this means the include dir was # found, as well as all the libraries specified in # the COMPONENTS list. # -# Boost_INCLUDE_DIRS Boost include directories: not cached -# -# Boost_INCLUDE_DIR This is almost the same as above, but this one is -# cached and may be modified by advanced users +# Boost_INCLUDE_DIRS Boost include directories # # Boost_LIBRARIES Link to these to use the Boost libraries that you # specified: not cached @@ -242,7 +242,7 @@ # when needed). #============================================================================= -# Copyright 2006-2009 Kitware, Inc. +# Copyright 2006-2012 Kitware, Inc. # Copyright 2006-2008 Andreas Schneider <mail@cynapses.org> # Copyright 2007 Wengo # Copyright 2007 Mike Jackson @@ -350,29 +350,54 @@ macro(_Boost_ADJUST_LIB_VARS basename) endif() if(Boost_${basename}_LIBRARY) - set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY} CACHE FILEPATH "The Boost ${basename} library") - - # Remove superfluous "debug" / "optimized" keywords from - # Boost_LIBRARY_DIRS - foreach(_boost_my_lib ${Boost_${basename}_LIBRARY}) - get_filename_component(_boost_my_lib_path "${_boost_my_lib}" PATH) - list(APPEND Boost_LIBRARY_DIRS ${_boost_my_lib_path}) - endforeach() - list(REMOVE_DUPLICATES Boost_LIBRARY_DIRS) - - set(Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIRS} CACHE FILEPATH "Boost library directory") - set(Boost_${basename}_FOUND ON CACHE INTERNAL "Whether the Boost ${basename} library found") + set(Boost_${basename}_FOUND ON) endif() endif() # Make variables changeble to the advanced user mark_as_advanced( - Boost_${basename}_LIBRARY Boost_${basename}_LIBRARY_RELEASE Boost_${basename}_LIBRARY_DEBUG ) endmacro() +macro(_Boost_CHANGE_DETECT changed_var) + set(${changed_var} 0) + foreach(v ${ARGN}) + if(DEFINED _Boost_COMPONENTS_SEARCHED) + if(${v}) + if(_${v}_LAST) + string(COMPARE NOTEQUAL "${${v}}" "${_${v}_LAST}" _${v}_CHANGED) + else() + set(_${v}_CHANGED 1) + endif() + elseif(_${v}_LAST) + set(_${v}_CHANGED 1) + endif() + if(_${v}_CHANGED) + set(${changed_var} 1) + endif() + else() + set(_${v}_CHANGED 0) + endif() + endforeach() +endmacro() + +macro(_Boost_FIND_LIBRARY var) + find_library(${var} ${ARGN}) + + # If we found the first library save Boost_LIBRARY_DIR. + if(${var} AND NOT Boost_LIBRARY_DIR) + get_filename_component(_dir "${${var}}" PATH) + set(Boost_LIBRARY_DIR "${_dir}" CACHE PATH "Boost library directory" FORCE) + endif() + + # If Boost_LIBRARY_DIR is known then search only there. + if(Boost_LIBRARY_DIR) + set(_boost_LIBRARY_SEARCH_DIRS ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH) + endif() +endmacro() + #------------------------------------------------------------------------------- # @@ -398,7 +423,7 @@ endfunction() function(_Boost_MARK_COMPONENTS_FOUND _yes_or_no) foreach(COMPONENT ${Boost_FIND_COMPONENTS}) string(TOUPPER ${COMPONENT} UPPERCOMPONENT) - set(Boost_${UPPERCOMPONENT}_FOUND ${_yes_or_no} CACHE INTERNAL "Whether the Boost ${COMPONENT} library found" FORCE) + set(Boost_${UPPERCOMPONENT}_FOUND ${_yes_or_no}) endforeach() endfunction() @@ -596,48 +621,34 @@ if(WIN32) # then defining BOOST_LIB_DIAGNOSTIC will cause the auto-linking # code to emit a #pragma message each time a library is selected # for linking. - set(Boost_LIB_DIAGNOSTIC_DEFINITIONS - "-DBOOST_LIB_DIAGNOSTIC" CACHE STRING "Boost diagnostic define") + set(Boost_LIB_DIAGNOSTIC_DEFINITIONS "-DBOOST_LIB_DIAGNOSTIC") endif() -set(_boost_INCLUDE_SEARCH_DIRS_SYSTEM - C:/boost/include - C:/boost - /sw/local/include -) - _Boost_CHECK_SPELLING(Boost_ROOT) _Boost_CHECK_SPELLING(Boost_LIBRARYDIR) _Boost_CHECK_SPELLING(Boost_INCLUDEDIR) -# If BOOST_ROOT was defined in the environment, use it. -if (NOT BOOST_ROOT AND NOT $ENV{Boost_DIR} STREQUAL "") - set(BOOST_ROOT $ENV{Boost_DIR}) -endif() - -# If BOOST_ROOT was defined in the environment, use it. -if (NOT BOOST_ROOT AND NOT $ENV{BOOST_ROOT} STREQUAL "") - set(BOOST_ROOT $ENV{BOOST_ROOT}) -endif() - -# If BOOSTROOT was defined in the environment, use it. -if (NOT BOOST_ROOT AND NOT $ENV{BOOSTROOT} STREQUAL "") - set(BOOST_ROOT $ENV{BOOSTROOT}) -endif() - -# If BOOST_INCLUDEDIR was defined in the environment, use it. -if( NOT $ENV{BOOST_INCLUDEDIR} STREQUAL "" ) - set(BOOST_INCLUDEDIR $ENV{BOOST_INCLUDEDIR}) -endif() - -# If BOOST_LIBRARYDIR was defined in the environment, use it. -if( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" ) - set(BOOST_LIBRARYDIR $ENV{BOOST_LIBRARYDIR}) +# Collect environment variable inputs as hints. Do not consider changes. +foreach(v BOOSTROOT BOOST_ROOT BOOST_INCLUDEDIR BOOST_LIBRARYDIR) + set(_env $ENV{${v}}) + if(_env) + file(TO_CMAKE_PATH "${_env}" _ENV_${v}) + else() + set(_ENV_${v} "") + endif() +endforeach() +if(NOT _ENV_BOOST_ROOT AND _ENV_BOOSTROOT) + set(_ENV_BOOST_ROOT "${_ENV_BOOSTROOT}") endif() -if( BOOST_ROOT ) - file(TO_CMAKE_PATH ${BOOST_ROOT} BOOST_ROOT) +# Collect inputs and cached results. Detect changes since the last run. +if(NOT BOOST_ROOT AND BOOSTROOT) + set(BOOST_ROOT "${BOOSTROOT}") endif() +set(_Boost_VARS_DIR + BOOST_ROOT + Boost_NO_SYSTEM_PATHS + ) if(Boost_DEBUG) message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " @@ -652,32 +663,44 @@ if(Boost_DEBUG) "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}") endif() -if( Boost_NO_SYSTEM_PATHS) - set(_boost_FIND_OPTIONS NO_CMAKE_SYSTEM_PATH) -else() - set(_boost_INCLUDE_SEARCH_DIRS ${_boost_INCLUDE_SEARCH_DIRS_SYSTEM}) -endif() +# ------------------------------------------------------------------------ +# Search for Boost include DIR +# ------------------------------------------------------------------------ -if( BOOST_ROOT ) - set(_boost_INCLUDE_SEARCH_DIRS - ${BOOST_ROOT}/include - ${BOOST_ROOT} - ${_boost_INCLUDE_SEARCH_DIRS}) +set(_Boost_VARS_INC BOOST_INCLUDEDIR Boost_INCLUDE_DIR Boost_ADDITIONAL_VERSIONS) +_Boost_CHANGE_DETECT(_Boost_CHANGE_INCDIR ${_Boost_VARS_DIR} ${_Boost_VARS_INC}) +# Clear Boost_INCLUDE_DIR if it did not change but other input affecting the +# location did. We will find a new one based on the new inputs. +if(_Boost_CHANGE_INCDIR AND NOT _Boost_INCLUDE_DIR_CHANGED) + unset(Boost_INCLUDE_DIR CACHE) endif() -# prepend BOOST_INCLUDEDIR to search path if specified -if( BOOST_INCLUDEDIR ) - file(TO_CMAKE_PATH ${BOOST_INCLUDEDIR} BOOST_INCLUDEDIR) - set(_boost_INCLUDE_SEARCH_DIRS - ${BOOST_INCLUDEDIR} ${_boost_INCLUDE_SEARCH_DIRS}) -endif() +if(NOT Boost_INCLUDE_DIR) + set(_boost_INCLUDE_SEARCH_DIRS "") + if(BOOST_INCLUDEDIR) + list(APPEND _boost_INCLUDE_SEARCH_DIRS ${BOOST_INCLUDEDIR}) + elseif(_ENV_BOOST_INCLUDEDIR) + list(APPEND _boost_INCLUDE_SEARCH_DIRS ${_ENV_BOOST_INCLUDEDIR}) + endif() -# ------------------------------------------------------------------------ -# Search for Boost include DIR -# ------------------------------------------------------------------------ -# Try to find Boost by stepping backwards through the Boost versions -# we know about. -if( NOT Boost_INCLUDE_DIR ) + if( BOOST_ROOT ) + list(APPEND _boost_INCLUDE_SEARCH_DIRS ${BOOST_ROOT}/include ${BOOST_ROOT}) + elseif( _ENV_BOOST_ROOT ) + list(APPEND _boost_INCLUDE_SEARCH_DIRS ${_ENV_BOOST_ROOT}/include ${_ENV_BOOST_ROOT}) + endif() + + if( Boost_NO_SYSTEM_PATHS) + list(APPEND _boost_INCLUDE_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH) + else() + list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS + C:/boost/include + C:/boost + /sw/local/include + ) + endif() + + # Try to find Boost by stepping backwards through the Boost versions + # we know about. # Build a list of path suffixes for each version. set(_boost_PATH_SUFFIXES) foreach(_boost_VER ${_boost_TEST_VERSIONS}) @@ -718,7 +741,6 @@ if( NOT Boost_INCLUDE_DIR ) NAMES boost/config.hpp HINTS ${_boost_INCLUDE_SEARCH_DIRS} PATH_SUFFIXES ${_boost_PATH_SUFFIXES} - ${_boost_FIND_OPTIONS} ) endif() @@ -742,9 +764,6 @@ if(Boost_INCLUDE_DIR) string(REGEX REPLACE ".*#define BOOST_LIB_VERSION \"([0-9_]+)\".*" "\\1" Boost_LIB_VERSION "${_boost_VERSION_HPP_CONTENTS}") unset(_boost_VERSION_HPP_CONTENTS) - set(Boost_LIB_VERSION ${Boost_LIB_VERSION} CACHE INTERNAL "The library version string for boost libraries") - set(Boost_VERSION ${Boost_VERSION} CACHE INTERNAL "The version number for boost libraries") - if(NOT "${Boost_VERSION}" STREQUAL "0") math(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000") math(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000") @@ -767,6 +786,18 @@ endif() # Suffix initialization and compiler suffix detection. # ------------------------------------------------------------------------ +set(_Boost_VARS_NAME + Boost_COMPILER + Boost_THREADAPI + Boost_USE_DEBUG_PYTHON + Boost_USE_MULTITHREADED + Boost_USE_STATIC_LIBS + Boost_USE_STATIC_RUNTIME + Boost_USE_STLPORT + Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS + ) +_Boost_CHANGE_DETECT(_Boost_CHANGE_LIBNAME ${_Boost_VARS_NAME}) + # Setting some more suffixes for the library set(Boost_LIB_PREFIX "") if ( WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN) @@ -848,35 +879,44 @@ endif() # ------------------------------------------------------------------------ # Begin finding boost libraries # ------------------------------------------------------------------------ - -if(BOOST_ROOT) - set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS - ${BOOST_ROOT}/lib - ${BOOST_ROOT}/stage/lib) +set(_Boost_VARS_LIB BOOST_LIBRARYDIR Boost_LIBRARY_DIR) +_Boost_CHANGE_DETECT(_Boost_CHANGE_LIBDIR ${_Boost_VARS_DIR} ${_Boost_VARS_LIB} Boost_INCLUDE_DIR) +# Clear Boost_LIBRARY_DIR if it did not change but other input affecting the +# location did. We will find a new one based on the new inputs. +if(_Boost_CHANGE_LIBDIR AND NOT _Boost_LIBRARY_DIR_CHANGED) + unset(Boost_LIBRARY_DIR CACHE) endif() -set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS - ${_boost_LIBRARY_SEARCH_DIRS_ALWAYS} - ${Boost_INCLUDE_DIR}/lib - ${Boost_INCLUDE_DIR}/../lib - ${Boost_INCLUDE_DIR}/stage/lib -) -set(_boost_LIBRARY_SEARCH_DIRS_SYSTEM - C:/boost/lib - C:/boost - /sw/local/lib -) -set(_boost_LIBRARY_SEARCH_DIRS ${_boost_LIBRARY_SEARCH_DIRS_ALWAYS}) -if( Boost_NO_SYSTEM_PATHS ) - set(_boost_FIND_OPTIONS NO_CMAKE_SYSTEM_PATH) + +if(Boost_LIBRARY_DIR) + set(_boost_LIBRARY_SEARCH_DIRS ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH) else() - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_boost_LIBRARY_SEARCH_DIRS_SYSTEM}) -endif() + set(_boost_LIBRARY_SEARCH_DIRS "") + if(BOOST_LIBRARYDIR) + list(APPEND _boost_LIBRARY_SEARCH_DIRS ${BOOST_LIBRARYDIR}) + elseif(_ENV_BOOST_LIBRARYDIR) + list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_ENV_BOOST_LIBRARYDIR}) + endif() + + if(BOOST_ROOT) + list(APPEND _boost_LIBRARY_SEARCH_DIRS ${BOOST_ROOT}/lib ${BOOST_ROOT}/stage/lib) + elseif(_ENV_BOOST_ROOT) + list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_ENV_BOOST_ROOT}/lib ${_ENV_BOOST_ROOT}/stage/lib) + endif() -# prepend BOOST_LIBRARYDIR to search path if specified -if( BOOST_LIBRARYDIR ) - file(TO_CMAKE_PATH ${BOOST_LIBRARYDIR} BOOST_LIBRARYDIR) - set(_boost_LIBRARY_SEARCH_DIRS - ${BOOST_LIBRARYDIR} ${_boost_LIBRARY_SEARCH_DIRS}) + list(APPEND _boost_LIBRARY_SEARCH_DIRS + ${Boost_INCLUDE_DIR}/lib + ${Boost_INCLUDE_DIR}/../lib + ${Boost_INCLUDE_DIR}/stage/lib + ) + if( Boost_NO_SYSTEM_PATHS ) + list(APPEND _boost_LIBRARY_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH) + else() + list(APPEND _boost_LIBRARY_SEARCH_DIRS PATHS + C:/boost/lib + C:/boost + /sw/local/lib + ) + endif() endif() if(Boost_DEBUG) @@ -928,11 +968,21 @@ if(Boost_VERSION AND Boost_FIND_COMPONENTS) endif() endif() +# If the user changed any of our control inputs flush previous results. +if(_Boost_CHANGE_LIBDIR OR _Boost_CHANGE_LIBNAME) + foreach(COMPONENT ${_Boost_COMPONENTS_SEARCHED}) + string(TOUPPER ${COMPONENT} UPPERCOMPONENT) + foreach(c DEBUG RELEASE) + set(_var Boost_${UPPERCOMPONENT}_LIBRARY_${c}) + unset(${_var} CACHE) + set(${_var} "${_var}-NOTFOUND") + endforeach() + endforeach() + set(_Boost_COMPONENTS_SEARCHED "") +endif() + foreach(COMPONENT ${Boost_FIND_COMPONENTS}) string(TOUPPER ${COMPONENT} UPPERCOMPONENT) - set( Boost_${UPPERCOMPONENT}_LIBRARY "Boost_${UPPERCOMPONENT}_LIBRARY-NOTFOUND" ) - set( Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE-NOTFOUND" ) - set( Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG "Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG-NOTFOUND") set( _boost_docstring_release "Boost ${COMPONENT} library (release)") set( _boost_docstring_debug "Boost ${COMPONENT} library (debug)") @@ -961,12 +1011,12 @@ foreach(COMPONENT ${Boost_FIND_COMPONENTS}) message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " "Searching for ${UPPERCOMPONENT}_LIBRARY_RELEASE: ${_boost_RELEASE_NAMES}") endif() - find_library(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE - NAMES ${_boost_RELEASE_NAMES} - HINTS ${_boost_LIBRARY_SEARCH_DIRS} - ${_boost_FIND_OPTIONS} - DOC "${_boost_docstring_release}" - ) + _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE + NAMES ${_boost_RELEASE_NAMES} + HINTS ${_boost_LIBRARY_SEARCH_DIRS} + NAMES_PER_DIR + DOC "${_boost_docstring_release}" + ) # # Find DEBUG libraries @@ -993,12 +1043,12 @@ foreach(COMPONENT ${Boost_FIND_COMPONENTS}) message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " "Searching for ${UPPERCOMPONENT}_LIBRARY_DEBUG: ${_boost_DEBUG_NAMES}") endif() - find_library(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG - NAMES ${_boost_DEBUG_NAMES} - HINTS ${_boost_LIBRARY_SEARCH_DIRS} - ${_boost_FIND_OPTIONS} - DOC "${_boost_docstring_debug}" - ) + _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG + NAMES ${_boost_DEBUG_NAMES} + HINTS ${_boost_LIBRARY_SEARCH_DIRS} + NAMES_PER_DIR + DOC "${_boost_docstring_debug}" + ) if(Boost_REALPATH) _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "${_boost_docstring_release}") @@ -1025,9 +1075,8 @@ endif() # for libraries... # ------------------------------------------------------------------------ -set(Boost_INCLUDE_DIRS - ${Boost_INCLUDE_DIR} -) +set(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR}) +set(Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR}) set(Boost_FOUND FALSE) if(Boost_INCLUDE_DIR) @@ -1157,7 +1206,7 @@ if(Boost_INCLUDE_DIR) endif() if(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}") - set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR} CACHE FILEPATH "Boost library directory") + set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR}) endif() endif() @@ -1204,8 +1253,39 @@ else() endif() endif() -# show the Boost_INCLUDE_DIRS AND Boost_LIBRARIES variables only in the advanced view -mark_as_advanced(Boost_INCLUDE_DIR - Boost_INCLUDE_DIRS - Boost_LIBRARY_DIRS -) +# Configure display of cache entries in GUI. +foreach(v BOOSTROOT BOOST_ROOT ${_Boost_VARS_INC} ${_Boost_VARS_LIB}) + get_property(_type CACHE ${v} PROPERTY TYPE) + if(_type) + set_property(CACHE ${v} PROPERTY ADVANCED 1) + if("x${_type}" STREQUAL "xUNINITIALIZED") + if("x${v}" STREQUAL "xBoost_ADDITIONAL_VERSIONS") + set_property(CACHE ${v} PROPERTY TYPE STRING) + else() + set_property(CACHE ${v} PROPERTY TYPE PATH) + endif() + endif() + endif() +endforeach() + +# Record last used values of input variables so we can +# detect on the next run if the user changed them. +foreach(v + ${_Boost_VARS_INC} ${_Boost_VARS_LIB} + ${_Boost_VARS_DIR} ${_Boost_VARS_NAME} + ) + if(DEFINED ${v}) + set(_${v}_LAST "${${v}}" CACHE INTERNAL "Last used ${v} value.") + else() + unset(_${v}_LAST CACHE) + endif() +endforeach() + +# Maintain a persistent list of components requested anywhere since +# the last flush. +set(_Boost_COMPONENTS_SEARCHED "${_Boost_COMPONENTS_SEARCHED}") +list(APPEND _Boost_COMPONENTS_SEARCHED ${Boost_FIND_COMPONENTS}) +list(REMOVE_DUPLICATES _Boost_COMPONENTS_SEARCHED) +list(SORT _Boost_COMPONENTS_SEARCHED) +set(_Boost_COMPONENTS_SEARCHED "${_Boost_COMPONENTS_SEARCHED}" + CACHE INTERNAL "Components requested for this build tree.") |