diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake index 17aba1b22..8d8b10c0f 100644 --- a/Modules/FindBoost.cmake +++ b/Modules/FindBoost.cmake @@ -1,248 +1,141 @@ -# - Try to find Boost include dirs and libraries -# Usage of this module as follows: +# - Find Boost include dirs and libraries +# Use this module by invoking find_package with the form: +# find_package(Boost +# [version] [EXACT] # Minimum or EXACT version e.g. 1.36.0 +# [REQUIRED] # Fail with error if Boost is not found +# [COMPONENTS ...] # Boost libraries by their canonical name +# ) # e.g. "date_time" for "libboost_date_time" +# This module finds headers and requested component libraries OR a CMake +# package configuration file provided by a "Boost CMake" build. For the +# latter case skip to the "Boost CMake" section below. For the former +# case results are reported in variables: +# Boost_FOUND - True if headers and requested libraries were found +# Boost_INCLUDE_DIRS - Boost include directories +# Boost_LIBRARY_DIRS - Link directories for Boost libraries +# Boost_LIBRARIES - Boost component libraries to be linked +# Boost__FOUND - True if component was found ( is upper-case) +# Boost__LIBRARY - Libraries to link for component (may include +# target_link_libraries debug/optimized keywords) +# Boost_VERSION - BOOST_VERSION value from boost/version.hpp +# Boost_LIB_VERSION - Version string appended to library filenames +# Boost_MAJOR_VERSION - Boost major version number (X in X.y.z) +# Boost_MINOR_VERSION - Boost minor version number (Y in x.Y.z) +# Boost_SUBMINOR_VERSION - Boost subminor version number (Z in x.y.Z) +# Boost_LIB_DIAGNOSTIC_DEFINITIONS (Windows) +# - Pass to add_definitions() to have diagnostic +# information about Boost's automatic linking +# displayed during compilation # -# NOTE: Take note of the Boost_ADDITIONAL_VERSIONS variable below. -# Due to Boost naming conventions and limitations in CMake this find -# module is NOT future safe with respect to Boost version numbers, -# and may break. +# This module reads hints about search locations from variables: +# BOOST_ROOT - Preferred installation prefix +# (or BOOSTROOT) +# BOOST_INCLUDEDIR - Preferred include directory e.g. /include +# BOOST_LIBRARYDIR - Preferred library directory e.g. /lib +# Boost_NO_SYSTEM_PATHS - Set to ON to disable searching in locations not +# specified by these hint variables. Default is OFF. +# Boost_ADDITIONAL_VERSIONS +# - List of Boost versions not known to this module +# (Boost install locations may contain the version) +# and saves search results persistently in CMake cache entries: +# Boost_INCLUDE_DIR - Directory containing Boost headers +# Boost_LIBRARY_DIR - Directory containing Boost libraries +# Boost__LIBRARY_DEBUG - Component library debug variant +# Boost__LIBRARY_RELEASE - Component library release variant +# Users may set the 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. # -# == Using Header-Only libraries from within Boost: == +# 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 directory in Boost_LIBRARY_DIR and +# individual library locations in Boost__LIBRARY_DEBUG and +# Boost__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. # -# find_package( Boost 1.36.0 ) -# if(Boost_FOUND) -# include_directories(${Boost_INCLUDE_DIRS}) -# add_executable(foo foo.cc) -# endif() +# Boost libraries come in many variants encoded in their file name. Users or +# projects may tell this module which variant to find by setting variables: +# Boost_USE_MULTITHREADED - Set to OFF to use the non-multithreaded +# libraries ('mt' tag). Default is ON. +# Boost_USE_STATIC_LIBS - Set to ON to force the use of the static +# libraries. Default is OFF. +# Boost_USE_STATIC_RUNTIME - Set to ON or OFF to specify whether to use +# libraries linked statically to the C++ runtime +# ('s' tag). Default is platform dependent. +# Boost_USE_DEBUG_PYTHON - Set to ON to use libraries compiled with a +# debug Python build ('y' tag). Default is OFF. +# Boost_USE_STLPORT - Set to ON to use libraries compiled with +# STLPort ('p' tag). Default is OFF. +# Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS +# - Set to ON to use libraries compiled with +# STLPort deprecated "native iostreams" +# ('n' tag). Default is OFF. +# Boost_COMPILER - Set to the compiler-specific library suffix +# (e.g. "-gcc43"). Default is auto-computed +# for the C++ compiler in use. +# Boost_THREADAPI - Suffix for "thread" component library name, +# such as "pthread" or "win32". Names with +# and without this suffix will both be tried. +# Other variables one may set to control this module are: +# Boost_DEBUG - Set to ON to enable debug output from FindBoost. +# Please enable this before filing any bug report. +# Boost_DETAILED_FAILURE_MSG +# - Set to ON to add detailed information to the +# failure message even when the REQUIRED option +# is not given to the find_package call. +# Boost_REALPATH - Set to ON to resolve symlinks for discovered +# libraries to assist with packaging. For example, +# the "system" component library may be resolved to +# "/usr/lib/libboost_system.so.1.42.0" instead of +# "/usr/lib/libboost_system.so". This does not +# affect linking and should not be enabled unless +# the user needs this information. +# 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 dynamic linking. +# Boost automatic linking typically requests static libraries with a few +# exceptions (such as Boost.Python). Use +# add_definitions(${Boost_LIB_DIAGNOSTIC_DEFINITIONS}) +# to ask Boost to report information about automatic linking requests. # +# Example to find Boost headers only: +# find_package(Boost 1.36.0) +# if(Boost_FOUND) +# include_directories(${Boost_INCLUDE_DIRS}) +# add_executable(foo foo.cc) +# endif() +# Example to find Boost headers and some libraries: +# set(Boost_USE_STATIC_LIBS ON) +# set(Boost_USE_MULTITHREADED ON) +# set(Boost_USE_STATIC_RUNTIME OFF) +# find_package(Boost 1.36.0 COMPONENTS date_time filesystem system ...) +# if(Boost_FOUND) +# include_directories(${Boost_INCLUDE_DIRS}) +# add_executable(foo foo.cc) +# target_link_libraries(foo ${Boost_LIBRARIES}) +# endif() # -# == Using actual libraries from within Boost: == +# Boost CMake ---------------------------------------------------------- # -# set(Boost_USE_STATIC_LIBS ON) -# set(Boost_USE_MULTITHREADED ON) -# set(Boost_USE_STATIC_RUNTIME OFF) -# find_package( Boost 1.36.0 COMPONENTS date_time filesystem system ... ) +# If Boost was built using the boost-cmake project it provides a package +# configuration file for use with find_package's Config mode. This module +# looks for the package configuration file called BoostConfig.cmake or +# boost-config.cmake and stores the result in cache entry "Boost_DIR". If +# found, the package configuration file is loaded and this module returns with +# no further action. See documentation of the Boost CMake package +# configuration for details on what it provides. # -# if(Boost_FOUND) -# include_directories(${Boost_INCLUDE_DIRS}) -# add_executable(foo foo.cc) -# target_link_libraries(foo ${Boost_LIBRARIES}) -# endif() -# -# -# The components list needs to contain actual names of boost libraries only, -# such as "date_time" for "libboost_date_time". If you're using parts of -# Boost that contain header files only (e.g. foreach) you do not need to -# specify COMPONENTS. -# -# You should provide a minimum version number that should be used. If you provide this -# version number and specify the REQUIRED attribute, this module will fail if it -# can't find the specified or a later version. If you specify a version number this is -# automatically put into the considered list of version numbers and thus doesn't need -# to be specified in the Boost_ADDITIONAL_VERSIONS variable (see below). -# -# NOTE for Visual Studio Users: -# Automatic linking is used on MSVC & Borland compilers by default when -# #including things in Boost. It's important to note that setting -# Boost_USE_STATIC_LIBS to OFF is NOT enough to get you dynamic linking, -# should you need this feature. Automatic linking typically uses static -# libraries with a few exceptions (Boost.Python is one). -# -# Please see the section below near Boost_LIB_DIAGNOSTIC_DEFINITIONS for -# more details. Adding a target_link_libraries() as shown in the example -# above appears to cause VS to link dynamically if Boost_USE_STATIC_LIBS -# gets set to OFF. It is suggested you avoid automatic linking since it -# will make your application less portable. -# -# =========== The mess that is Boost_ADDITIONAL_VERSIONS (sorry?) ============ -# -# OK, so the Boost_ADDITIONAL_VERSIONS variable can be used to specify a list of -# boost version numbers that should be taken into account when searching -# for Boost. Unfortunately boost puts the version number into the -# actual filename for the libraries, so this variable will certainly be needed -# in the future when new Boost versions are released. -# -# Currently this module searches for the following version numbers: -# 1.33, 1.33.0, 1.33.1, 1.34, 1.34.0, 1.34.1, 1.35, 1.35.0, 1.35.1, -# 1.36, 1.36.0, 1.36.1, 1.37, 1.37.0, 1.38, 1.38.0, 1.39, 1.39.0, -# 1.40, 1.40.0, 1.41, 1.41.0, 1.42, 1.42.0, 1.43, 1.43.0, 1.44, 1.44.0, -# 1.45, 1.45.0, 1.46, 1.46.0, 1.46.1, 1.47, 1.47.0, 1.48, 1.48.0, -# 1.49, 1.49.0, 1.50, 1.50.0, 1.51, 1.51.0, 1.52, 1.52.0, -# 1.53, 1.53.0, 1.54, 1.54.0, 1.55, 1.55.0, 1.56, 1.56.0 -# -# NOTE: If you add a new major 1.x version in Boost_ADDITIONAL_VERSIONS you should -# add both 1.x and 1.x.0 as shown above. Official Boost include directories -# omit the 3rd version number from include paths if it is 0 although not all -# binary Boost releases do so. -# -# set(Boost_ADDITIONAL_VERSIONS "1.78" "1.78.0" "1.79" "1.79.0") -# -# ===================================== ============= ======================== -# -# Variables used by this module, they can change the default behaviour and -# need to be set before calling find_package: -# -# Boost_USE_MULTITHREADED Can be set to OFF to use the non-multithreaded -# boost libraries. If not specified, defaults -# to ON. -# -# Boost_USE_STATIC_LIBS Can be set to ON to force the use of the static -# boost libraries. Defaults to OFF. -# -# Boost_NO_SYSTEM_PATHS Set to TRUE to suppress searching in system -# paths (or other locations outside of BOOST_ROOT -# or BOOST_INCLUDEDIR). Useful when specifying -# BOOST_ROOT. Defaults to OFF. -# [Since CMake 2.8.3] -# -# Boost_NO_BOOST_CMAKE Do not do a find_package call in config mode -# before searching for a regular boost install. -# This will avoid finding boost-cmake installs. -# Defaults to OFF. -# [Since CMake 2.8.6] -# -# Boost_USE_STATIC_RUNTIME If enabled, searches for boost libraries -# linked against a static C++ standard library -# ('s' ABI tag). This option should be set to -# ON or OFF because the default behavior -# if not specified is platform dependent -# for backwards compatibility. -# [Since CMake 2.8.3] -# -# Boost_USE_DEBUG_PYTHON If enabled, searches for boost libraries -# compiled against a special debug build of -# Python ('y' ABI tag). Defaults to OFF. -# [Since CMake 2.8.3] -# -# Boost_USE_STLPORT If enabled, searches for boost libraries -# compiled against the STLPort standard -# library ('p' ABI tag). Defaults to OFF. -# [Since CMake 2.8.3] -# -# Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS -# If enabled, searches for boost libraries -# compiled against the deprecated STLPort -# "native iostreams" feature ('n' ABI tag). -# Defaults to OFF. -# [Since CMake 2.8.3] -# -# Other Variables used by this module which you may want to set. -# -# Boost_ADDITIONAL_VERSIONS A list of version numbers to use for searching -# the boost include directory. Please see -# the documentation above regarding this -# annoying, but necessary variable :( -# -# Boost_DEBUG Set this to TRUE to enable debugging output -# of FindBoost.cmake if you are having problems. -# Please enable this before filing any bug -# reports. -# -# Boost_DETAILED_FAILURE_MSG FindBoost doesn't output detailed information -# about why it failed or how to fix the problem -# unless this is set to TRUE or the REQUIRED -# keyword is specified in find_package(). -# [Since CMake 2.8.0] -# -# Boost_COMPILER Set this to the compiler suffix used by Boost -# (e.g. "-gcc43") if FindBoost has problems finding -# the proper Boost installation -# -# Boost_THREADAPI When building boost.thread, sometimes the name of the -# library contains an additional "pthread" or "win32" -# string known as the threadapi. This can happen when -# compiling against pthreads on Windows or win32 threads -# on Cygwin. You may specify this variable and if set -# when FindBoost searches for the Boost threading library -# it will first try to match the threadapi you specify. -# For Example: libboost_thread_win32-mgw45-mt-1_43.a -# might be found if you specified "win32" here before -# falling back on libboost_thread-mgw45-mt-1_43.a. -# [Since CMake 2.8.3] -# -# Boost_REALPATH Resolves symbolic links for discovered boost libraries -# to assist with packaging. For example, instead of -# Boost_SYSTEM_LIBRARY_RELEASE being resolved to -# "/usr/lib/libboost_system.so" it would be -# "/usr/lib/libboost_system.so.1.42.0" instead. -# This does not affect linking and should not be -# enabled unless the user needs this information. -# [Since CMake 2.8.3] -# - - -# -# These last three variables are available also as environment variables: -# Also, note they are completely UPPERCASE, except Boost_DIR. -# -# Boost_DIR or The preferred installation prefix for searching for -# BOOST_ROOT or BOOSTROOT Boost. Set this if the module has problems finding -# the proper Boost installation. -# -# Note that Boost_DIR behaves exactly as _DIR -# variables are documented to behave in find_package's -# Config mode. That is, if it is set as a -D argument -# to CMake, it must point to the location of the -# BoostConfig.cmake or Boost-config.cmake file. If it -# is set as an environment variable, it must point to -# the root of the boost installation. BOOST_ROOT and -# BOOSTROOT, on the other hand, will point to the root -# in either case. -# -# To prevent falling back on the system paths, set -# Boost_NO_SYSTEM_PATHS to true. -# -# To avoid finding boost-cmake installations, set -# Boost_NO_BOOST_CMAKE to true. -# -# BOOST_INCLUDEDIR Set this to the include directory of Boost, if the -# module has problems finding the proper Boost installation -# -# BOOST_LIBRARYDIR Set this to the lib directory of Boost, if the -# module has problems finding the proper Boost installation -# -# 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_LIBRARIES Link to these to use the Boost libraries that you -# specified: not cached -# -# Boost_LIBRARY_DIRS The path to where the Boost library files are. -# -# Boost_VERSION The version number of the boost libraries that -# have been found, same as in version.hpp from Boost -# -# Boost_LIB_VERSION The version number in filename form as -# it's appended to the library filenames -# -# Boost_MAJOR_VERSION major version number of boost -# Boost_MINOR_VERSION minor version number of boost -# Boost_SUBMINOR_VERSION subminor version number of boost -# -# Boost_LIB_DIAGNOSTIC_DEFINITIONS [WIN32 Only] You can call -# add_definitions(${Boost_LIB_DIAGNOSTIC_DEFINITIONS}) -# to have diagnostic information about Boost's -# automatic linking outputted during compilation time. -# -# For each component you specify in find_package(), the following (UPPER-CASE) -# variables are set. You can use these variables if you would like to pick and -# choose components for your targets instead of just using Boost_LIBRARIES. -# -# Boost_${COMPONENT}_FOUND True IF the Boost library "component" was found. -# -# Boost_${COMPONENT}_LIBRARY Contains the libraries for the specified Boost -# "component" (includes debug and optimized keywords -# when needed). +# Set Boost_NO_BOOST_CMAKE to ON to disable the search for boost-cmake. #============================================================================= -# Copyright 2006-2009 Kitware, Inc. +# Copyright 2006-2012 Kitware, Inc. # Copyright 2006-2008 Andreas Schneider # Copyright 2007 Wengo # Copyright 2007 Mike Jackson @@ -282,6 +175,7 @@ if (NOT Boost_NO_BOOST_CMAKE) # Note that args are passed in the Boost_FIND_xxxxx variables, so there is no # need to delegate them to this find_package call. find_package(Boost QUIET NO_MODULE) + mark_as_advanced(Boost_DIR) # If we found boost-cmake, then we're done. Print out what we found. # Otherwise let the rest of the module try to find it. @@ -349,29 +243,54 @@ 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 ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH) + endif() +endmacro() + #------------------------------------------------------------------------------- # @@ -390,17 +309,6 @@ function(_Boost_COMPILER_DUMPVERSION _OUTPUT_VERSION) set(${_OUTPUT_VERSION} ${_boost_COMPILER_VERSION} PARENT_SCOPE) endfunction() -# -# A convenience function for marking desired components -# as found or not -# -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 ${COMPONENT} library found" FORCE) - endforeach() -endfunction() - # # Take a list of libraries with "thread" in it # and prepend duplicates with "thread_${Boost_THREADAPI}" @@ -561,522 +469,213 @@ endif() # Boost. set(Boost_ERROR_REASON) - if(Boost_DEBUG) - # Output some of their choices - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Boost_USE_MULTITHREADED = ${Boost_USE_MULTITHREADED}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Boost_USE_STATIC_LIBS = ${Boost_USE_STATIC_LIBS}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Boost_USE_STATIC_RUNTIME = ${Boost_USE_STATIC_RUNTIME}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Boost_ADDITIONAL_VERSIONS = ${Boost_ADDITIONAL_VERSIONS}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Boost_NO_SYSTEM_PATHS = ${Boost_NO_SYSTEM_PATHS}") +if(Boost_DEBUG) + # Output some of their choices + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Boost_USE_MULTITHREADED = ${Boost_USE_MULTITHREADED}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Boost_USE_STATIC_LIBS = ${Boost_USE_STATIC_LIBS}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Boost_USE_STATIC_RUNTIME = ${Boost_USE_STATIC_RUNTIME}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Boost_ADDITIONAL_VERSIONS = ${Boost_ADDITIONAL_VERSIONS}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Boost_NO_SYSTEM_PATHS = ${Boost_NO_SYSTEM_PATHS}") +endif() + +if(WIN32) + # In windows, automatic linking is performed, so you do not have + # to specify the libraries. If you are linking to a dynamic + # runtime, then you can choose to link to either a static or a + # dynamic Boost library, the default is to do a static link. You + # can alter this for a specific library "whatever" by defining + # BOOST_WHATEVER_DYN_LINK to force Boost library "whatever" to be + # linked dynamically. Alternatively you can force all Boost + # libraries to dynamic link by defining BOOST_ALL_DYN_LINK. + + # This feature can be disabled for Boost library "whatever" by + # defining BOOST_WHATEVER_NO_LIB, or for all of Boost by defining + # BOOST_ALL_NO_LIB. + + # If you want to observe which libraries are being linked against + # 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") +endif() + +_Boost_CHECK_SPELLING(Boost_ROOT) +_Boost_CHECK_SPELLING(Boost_LIBRARYDIR) +_Boost_CHECK_SPELLING(Boost_INCLUDEDIR) + +# 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(WIN32) - # In windows, automatic linking is performed, so you do not have - # to specify the libraries. If you are linking to a dynamic - # runtime, then you can choose to link to either a static or a - # dynamic Boost library, the default is to do a static link. You - # can alter this for a specific library "whatever" by defining - # BOOST_WHATEVER_DYN_LINK to force Boost library "whatever" to be - # linked dynamically. Alternatively you can force all Boost - # libraries to dynamic link by defining BOOST_ALL_DYN_LINK. - - # This feature can be disabled for Boost library "whatever" by - # defining BOOST_WHATEVER_NO_LIB, or for all of Boost by defining - # BOOST_ALL_NO_LIB. - - # If you want to observe which libraries are being linked against - # 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") - endif() - - set(_boost_INCLUDE_SEARCH_DIRS_SYSTEM - C:/boost/include - C:/boost - "$ENV{ProgramFiles}/boost/include" - "$ENV{ProgramFiles}/boost" - /sw/local/include +# 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 ) - _Boost_CHECK_SPELLING(Boost_ROOT) - _Boost_CHECK_SPELLING(Boost_LIBRARYDIR) - _Boost_CHECK_SPELLING(Boost_INCLUDEDIR) +if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Declared as CMake or Environmental Variables:") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " BOOST_ROOT = ${BOOST_ROOT}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " BOOST_INCLUDEDIR = ${BOOST_INCLUDEDIR}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " BOOST_LIBRARYDIR = ${BOOST_LIBRARYDIR}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}") +endif() - # 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() +# ------------------------------------------------------------------------ +# Search for Boost include DIR +# ------------------------------------------------------------------------ - # 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() +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() - # 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}) +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() if( BOOST_ROOT ) - file(TO_CMAKE_PATH ${BOOST_ROOT} BOOST_ROOT) - endif() - - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Declared as CMake or Environmental Variables:") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - " BOOST_ROOT = ${BOOST_ROOT}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - " BOOST_INCLUDEDIR = ${BOOST_INCLUDEDIR}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - " BOOST_LIBRARYDIR = ${BOOST_LIBRARYDIR}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}") + 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) - set(_boost_FIND_OPTIONS NO_CMAKE_SYSTEM_PATH) + list(APPEND _boost_INCLUDE_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH) else() - set(_boost_INCLUDE_SEARCH_DIRS ${_boost_INCLUDE_SEARCH_DIRS_SYSTEM}) - endif() - - if( BOOST_ROOT ) - set(_boost_INCLUDE_SEARCH_DIRS - ${BOOST_ROOT}/include - ${BOOST_ROOT} - ${_boost_INCLUDE_SEARCH_DIRS}) - 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() - - # ------------------------------------------------------------------------ - # Search for Boost include DIR - # ------------------------------------------------------------------------ - # Try to find Boost by stepping backwards through the Boost versions - # we know about. - if( NOT Boost_INCLUDE_DIR ) - # Build a list of path suffixes for each version. - set(_boost_PATH_SUFFIXES) - foreach(_boost_VER ${_boost_TEST_VERSIONS}) - # Add in a path suffix, based on the required version, ideally - # we could read this from version.hpp, but for that to work we'd - # need to know the include dir already - set(_boost_BOOSTIFIED_VERSION) - - # Transform 1.35 => 1_35 and 1.36.0 => 1_36_0 - if(_boost_VER MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+") - string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1_\\2_\\3" - _boost_BOOSTIFIED_VERSION ${_boost_VER}) - elseif(_boost_VER MATCHES "[0-9]+\\.[0-9]+") - string(REGEX REPLACE "([0-9]+)\\.([0-9]+)" "\\1_\\2" - _boost_BOOSTIFIED_VERSION ${_boost_VER}) - endif() - - list(APPEND _boost_PATH_SUFFIXES "boost-${_boost_BOOSTIFIED_VERSION}") - list(APPEND _boost_PATH_SUFFIXES "boost_${_boost_BOOSTIFIED_VERSION}") - - endforeach() - - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "Include debugging info:") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - " _boost_INCLUDE_SEARCH_DIRS = ${_boost_INCLUDE_SEARCH_DIRS}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - " _boost_PATH_SUFFIXES = ${_boost_PATH_SUFFIXES}") - endif() - - # Look for a standard boost header file. - find_path(Boost_INCLUDE_DIR - NAMES boost/config.hpp - HINTS ${_boost_INCLUDE_SEARCH_DIRS} - PATH_SUFFIXES ${_boost_PATH_SUFFIXES} - ${_boost_FIND_OPTIONS} + list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS + C:/boost/include + C:/boost + /sw/local/include ) endif() - # ------------------------------------------------------------------------ - # Extract version information from version.hpp - # ------------------------------------------------------------------------ + # 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 ${_boost_TEST_VERSIONS}) + # Add in a path suffix, based on the required version, ideally + # we could read this from version.hpp, but for that to work we'd + # need to know the include dir already + set(_boost_BOOSTIFIED_VERSION) - if(Boost_INCLUDE_DIR) - # Extract Boost_VERSION and Boost_LIB_VERSION from version.hpp - # Read the whole file: - # - set(BOOST_VERSION 0) - set(BOOST_LIB_VERSION "") - file(STRINGS "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS REGEX "#define BOOST_(LIB_)?VERSION ") - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "location of version.hpp: ${Boost_INCLUDE_DIR}/boost/version.hpp") + # Transform 1.35 => 1_35 and 1.36.0 => 1_36_0 + if(_boost_VER MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+") + string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1_\\2_\\3" + _boost_BOOSTIFIED_VERSION ${_boost_VER}) + elseif(_boost_VER MATCHES "[0-9]+\\.[0-9]+") + string(REGEX REPLACE "([0-9]+)\\.([0-9]+)" "\\1_\\2" + _boost_BOOSTIFIED_VERSION ${_boost_VER}) endif() - string(REGEX REPLACE ".*#define BOOST_VERSION ([0-9]+).*" "\\1" Boost_VERSION "${_boost_VERSION_HPP_CONTENTS}") - 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") - math(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100") - - set(Boost_ERROR_REASON - "${Boost_ERROR_REASON}Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}\nBoost include path: ${Boost_INCLUDE_DIR}") - endif() - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "version.hpp reveals boost " - "${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}") - endif() - else() - set(Boost_ERROR_REASON - "${Boost_ERROR_REASON}Unable to find the Boost header files. Please set BOOST_ROOT to the root directory containing Boost or BOOST_INCLUDEDIR to the directory containing Boost's headers.") - endif() - - # ------------------------------------------------------------------------ - # Suffix initialization and compiler suffix detection. - # ------------------------------------------------------------------------ - - # Setting some more suffixes for the library - set(Boost_LIB_PREFIX "") - if ( WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN) - set(Boost_LIB_PREFIX "lib") - endif() - - if (Boost_COMPILER) - set(_boost_COMPILER ${Boost_COMPILER}) - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "using user-specified Boost_COMPILER = ${_boost_COMPILER}") - endif() - else() - # Attempt to guess the compiler suffix - # NOTE: this is not perfect yet, if you experience any issues - # please report them and use the Boost_COMPILER variable - # to work around the problems. - _Boost_GUESS_COMPILER_PREFIX(_boost_COMPILER) - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "guessed _boost_COMPILER = ${_boost_COMPILER}") - endif() - endif() - - set (_boost_MULTITHREADED "-mt") - if( NOT Boost_USE_MULTITHREADED ) - set (_boost_MULTITHREADED "") - endif() - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_MULTITHREADED = ${_boost_MULTITHREADED}") - endif() - - #====================== - # Systematically build up the Boost ABI tag - # http://boost.org/doc/libs/1_41_0/more/getting_started/windows.html#library-naming - set( _boost_RELEASE_ABI_TAG "-") - set( _boost_DEBUG_ABI_TAG "-") - # Key Use this library when: - # s linking statically to the C++ standard library and - # compiler runtime support libraries. - if(Boost_USE_STATIC_RUNTIME) - set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}s") - set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}s") - endif() - # g using debug versions of the standard and runtime - # support libraries - if(WIN32) - if(MSVC OR "${CMAKE_CXX_COMPILER}" MATCHES "icl" - OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc") - set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}g") - endif() - endif() - # y using special debug build of python - if(Boost_USE_DEBUG_PYTHON) - set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}y") - endif() - # d using a debug version of your code - set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}d") - # p using the STLport standard library rather than the - # default one supplied with your compiler - if(Boost_USE_STLPORT) - set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}p") - set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}p") - endif() - # n using the STLport deprecated "native iostreams" feature - if(Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS) - set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}n") - set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}n") - endif() - - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_RELEASE_ABI_TAG = ${_boost_RELEASE_ABI_TAG}") - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_DEBUG_ABI_TAG = ${_boost_DEBUG_ABI_TAG}") - endif() - - # ------------------------------------------------------------------------ - # Begin finding boost libraries - # ------------------------------------------------------------------------ - - if(BOOST_ROOT) - set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS - ${BOOST_ROOT}/lib - ${BOOST_ROOT}/stage/lib) - endif() - set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS - ${_boost_LIBRARY_SEARCH_DIRS_ALWAYS} - ${Boost_INCLUDE_DIR}/lib - ${Boost_INCLUDE_DIR}/../lib - ${Boost_INCLUDE_DIR}/stage/lib - ) - set(_boost_LIBRARY_SEARCH_DIRS_SYSTEM - C:/boost/lib - C:/boost - "$ENV{ProgramFiles}/boost/boost_${Boost_MAJOR_VERSION}_${Boost_MINOR_VERSION}_${Boost_SUBMINOR_VERSION}/lib" - "$ENV{ProgramFiles}/boost/boost_${Boost_MAJOR_VERSION}_${Boost_MINOR_VERSION}/lib" - "$ENV{ProgramFiles}/boost/lib" - "$ENV{ProgramFiles}/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) - else() - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_boost_LIBRARY_SEARCH_DIRS_SYSTEM}) - 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}) - endif() - - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_LIBRARY_SEARCH_DIRS = ${_boost_LIBRARY_SEARCH_DIRS}") - endif() - - # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES - if( Boost_USE_STATIC_LIBS ) - set( _boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES}) - if(WIN32) - set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) - else() - set(CMAKE_FIND_LIBRARY_SUFFIXES .a ) - endif() - endif() - - # We want to use the tag inline below without risking double dashes - if(_boost_RELEASE_ABI_TAG) - if(${_boost_RELEASE_ABI_TAG} STREQUAL "-") - set(_boost_RELEASE_ABI_TAG "") - endif() - endif() - if(_boost_DEBUG_ABI_TAG) - if(${_boost_DEBUG_ABI_TAG} STREQUAL "-") - set(_boost_DEBUG_ABI_TAG "") - endif() - endif() - - # The previous behavior of FindBoost when Boost_USE_STATIC_LIBS was enabled - # on WIN32 was to: - # 1. Search for static libs compiled against a SHARED C++ standard runtime library (use if found) - # 2. Search for static libs compiled against a STATIC C++ standard runtime library (use if found) - # We maintain this behavior since changing it could break people's builds. - # To disable the ambiguous behavior, the user need only - # set Boost_USE_STATIC_RUNTIME either ON or OFF. - set(_boost_STATIC_RUNTIME_WORKAROUND false) - if(WIN32 AND Boost_USE_STATIC_LIBS) - if(NOT DEFINED Boost_USE_STATIC_RUNTIME) - set(_boost_STATIC_RUNTIME_WORKAROUND true) - endif() - endif() - - # On versions < 1.35, remove the System library from the considered list - # since it wasn't added until 1.35. - if(Boost_VERSION AND Boost_FIND_COMPONENTS) - if(Boost_VERSION LESS 103500) - list(REMOVE_ITEM Boost_FIND_COMPONENTS system) - endif() - 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)") - - # - # Find RELEASE libraries - # - set(_boost_RELEASE_NAMES - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT} ) - if(_boost_STATIC_RUNTIME_WORKAROUND) - set(_boost_RELEASE_STATIC_ABI_TAG "-s${_boost_RELEASE_ABI_TAG}") - list(APPEND _boost_RELEASE_NAMES - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} ) - endif() - if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread") - _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_RELEASE_NAMES ${_boost_RELEASE_NAMES}) - endif() - if(Boost_DEBUG) - 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}" - ) - - # - # Find DEBUG libraries - # - set(_boost_DEBUG_NAMES - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED} - ${Boost_LIB_PREFIX}boost_${COMPONENT} ) - if(_boost_STATIC_RUNTIME_WORKAROUND) - set(_boost_DEBUG_STATIC_ABI_TAG "-s${_boost_DEBUG_ABI_TAG}") - list(APPEND _boost_DEBUG_NAMES - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION} - ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} ) - endif() - if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread") - _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_DEBUG_NAMES ${_boost_DEBUG_NAMES}) - endif() - if(Boost_DEBUG) - 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}" - ) - - if(Boost_REALPATH) - _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "${_boost_docstring_release}") - _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG "${_boost_docstring_debug}" ) - endif() - - _Boost_ADJUST_LIB_VARS(${UPPERCOMPONENT}) + list(APPEND _boost_PATH_SUFFIXES + "boost-${_boost_BOOSTIFIED_VERSION}" + "boost_${_boost_BOOSTIFIED_VERSION}" + "boost/boost-${_boost_BOOSTIFIED_VERSION}" + "boost/boost_${_boost_BOOSTIFIED_VERSION}" + ) endforeach() - # Restore the original find library ordering - if( Boost_USE_STATIC_LIBS ) - set(CMAKE_FIND_LIBRARY_SUFFIXES ${_boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}) + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Include debugging info:") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " _boost_INCLUDE_SEARCH_DIRS = ${_boost_INCLUDE_SEARCH_DIRS}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " _boost_PATH_SUFFIXES = ${_boost_PATH_SUFFIXES}") endif() - # ------------------------------------------------------------------------ - # End finding boost libraries - # ------------------------------------------------------------------------ + # Look for a standard boost header file. + find_path(Boost_INCLUDE_DIR + NAMES boost/config.hpp + HINTS ${_boost_INCLUDE_SEARCH_DIRS} + PATH_SUFFIXES ${_boost_PATH_SUFFIXES} + ) +endif() - # ------------------------------------------------------------------------ - # Begin long process of determining Boost_FOUND, starting with version - # number checks, followed by - # TODO: Ideally the version check logic should happen prior to searching - # for libraries... - # ------------------------------------------------------------------------ +# ------------------------------------------------------------------------ +# Extract version information from version.hpp +# ------------------------------------------------------------------------ - set(Boost_INCLUDE_DIRS - ${Boost_INCLUDE_DIR} - ) +# Set Boost_FOUND based only on header location and version. +# It will be updated below for component libraries. +if(Boost_INCLUDE_DIR) + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "location of version.hpp: ${Boost_INCLUDE_DIR}/boost/version.hpp") + endif() - set(Boost_FOUND FALSE) - if(Boost_INCLUDE_DIR) - set( Boost_FOUND TRUE ) + # Extract Boost_VERSION and Boost_LIB_VERSION from version.hpp + set(Boost_VERSION 0) + set(Boost_LIB_VERSION "") + file(STRINGS "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS REGEX "#define BOOST_(LIB_)?VERSION ") + set(_Boost_VERSION_REGEX "([0-9]+)") + set(_Boost_LIB_VERSION_REGEX "\"([0-9_]+)\"") + foreach(v VERSION LIB_VERSION) + if("${_boost_VERSION_HPP_CONTENTS}" MATCHES ".*#define BOOST_${v} ${_Boost_${v}_REGEX}.*") + set(Boost_${v} "${CMAKE_MATCH_1}") + endif() + endforeach() + unset(_boost_VERSION_HPP_CONTENTS) - if(Boost_MAJOR_VERSION LESS "${Boost_FIND_VERSION_MAJOR}" ) - set( Boost_FOUND FALSE ) + math(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000") + math(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000") + math(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100") + + set(Boost_ERROR_REASON + "${Boost_ERROR_REASON}Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}\nBoost include path: ${Boost_INCLUDE_DIR}") + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "version.hpp reveals boost " + "${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}") + endif() + + if(Boost_FIND_VERSION) + # Set Boost_FOUND based on requested version. + set(_Boost_VERSION "${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}") + if("${_Boost_VERSION}" VERSION_LESS "${Boost_FIND_VERSION}") + set(Boost_FOUND 0) set(_Boost_VERSION_AGE "old") - elseif(Boost_MAJOR_VERSION EQUAL "${Boost_FIND_VERSION_MAJOR}" ) - if(Boost_MINOR_VERSION LESS "${Boost_FIND_VERSION_MINOR}" ) - set( Boost_FOUND FALSE ) - set(_Boost_VERSION_AGE "old") - elseif(Boost_MINOR_VERSION EQUAL "${Boost_FIND_VERSION_MINOR}" ) - if( Boost_FIND_VERSION_PATCH AND Boost_SUBMINOR_VERSION LESS "${Boost_FIND_VERSION_PATCH}" ) - set( Boost_FOUND FALSE ) - set(_Boost_VERSION_AGE "old") - endif() - endif() - endif() - - if (NOT Boost_FOUND) - _Boost_MARK_COMPONENTS_FOUND(OFF) - endif() - - if (Boost_FOUND AND Boost_FIND_VERSION_EXACT) - # If the user requested an exact version of Boost, check - # that. We already know that the Boost version we have is >= the - # requested version. + elseif(Boost_FIND_VERSION_EXACT AND + NOT "${_Boost_VERSION}" VERSION_EQUAL "${Boost_FIND_VERSION}") + set(Boost_FOUND 0) set(_Boost_VERSION_AGE "new") - - # If the user didn't specify a patchlevel, it's 0. - if (NOT Boost_FIND_VERSION_PATCH) - set(Boost_FIND_VERSION_PATCH 0) - endif () - - # We'll set Boost_FOUND true again if we have an exact version match. - set(Boost_FOUND FALSE) - _Boost_MARK_COMPONENTS_FOUND(OFF) - if(Boost_MAJOR_VERSION EQUAL "${Boost_FIND_VERSION_MAJOR}" ) - if(Boost_MINOR_VERSION EQUAL "${Boost_FIND_VERSION_MINOR}" ) - if(Boost_SUBMINOR_VERSION EQUAL "${Boost_FIND_VERSION_PATCH}" ) - set( Boost_FOUND TRUE ) - _Boost_MARK_COMPONENTS_FOUND(ON) - endif() - endif() - endif() - endif () - + else() + set(Boost_FOUND 1) + endif() if(NOT Boost_FOUND) # State that we found a version of Boost that is too new or too old. set(Boost_ERROR_REASON @@ -1090,123 +689,459 @@ set(Boost_ERROR_REASON) endif () set(Boost_ERROR_REASON "${Boost_ERROR_REASON}.") endif () + else() + # Caller will accept any Boost version. + set(Boost_FOUND 1) + endif() +else() + set(Boost_FOUND 0) + set(Boost_ERROR_REASON + "${Boost_ERROR_REASON}Unable to find the Boost header files. Please set BOOST_ROOT to the root directory containing Boost or BOOST_INCLUDEDIR to the directory containing Boost's headers.") +endif() - # Always check for missing components - set(_boost_CHECKED_COMPONENT FALSE) - set(_Boost_MISSING_COMPONENTS "") - foreach(COMPONENT ${Boost_FIND_COMPONENTS}) - string(TOUPPER ${COMPONENT} COMPONENT) - set(_boost_CHECKED_COMPONENT TRUE) - if(NOT Boost_${COMPONENT}_FOUND) - string(TOLOWER ${COMPONENT} COMPONENT) - list(APPEND _Boost_MISSING_COMPONENTS ${COMPONENT}) - set( Boost_FOUND FALSE) - 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) + set(Boost_LIB_PREFIX "lib") +endif() + +if (Boost_COMPILER) + set(_boost_COMPILER ${Boost_COMPILER}) + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "using user-specified Boost_COMPILER = ${_boost_COMPILER}") + endif() +else() + # Attempt to guess the compiler suffix + # NOTE: this is not perfect yet, if you experience any issues + # please report them and use the Boost_COMPILER variable + # to work around the problems. + _Boost_GUESS_COMPILER_PREFIX(_boost_COMPILER) + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "guessed _boost_COMPILER = ${_boost_COMPILER}") + endif() +endif() + +set (_boost_MULTITHREADED "-mt") +if( NOT Boost_USE_MULTITHREADED ) + set (_boost_MULTITHREADED "") +endif() +if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_MULTITHREADED = ${_boost_MULTITHREADED}") +endif() + +#====================== +# Systematically build up the Boost ABI tag +# http://boost.org/doc/libs/1_41_0/more/getting_started/windows.html#library-naming +set( _boost_RELEASE_ABI_TAG "-") +set( _boost_DEBUG_ABI_TAG "-") +# Key Use this library when: +# s linking statically to the C++ standard library and +# compiler runtime support libraries. +if(Boost_USE_STATIC_RUNTIME) + set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}s") + set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}s") +endif() +# g using debug versions of the standard and runtime +# support libraries +if(WIN32) + if(MSVC OR "${CMAKE_CXX_COMPILER}" MATCHES "icl" + OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc") + set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}g") + endif() +endif() +# y using special debug build of python +if(Boost_USE_DEBUG_PYTHON) + set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}y") +endif() +# d using a debug version of your code +set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}d") +# p using the STLport standard library rather than the +# default one supplied with your compiler +if(Boost_USE_STLPORT) + set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}p") + set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}p") +endif() +# n using the STLport deprecated "native iostreams" feature +if(Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS) + set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}n") + set( _boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}n") +endif() + +if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_RELEASE_ABI_TAG = ${_boost_RELEASE_ABI_TAG}") + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_DEBUG_ABI_TAG = ${_boost_DEBUG_ABI_TAG}") +endif() + +# ------------------------------------------------------------------------ +# Begin finding boost libraries +# ------------------------------------------------------------------------ +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() + +if(Boost_LIBRARY_DIR) + set(_boost_LIBRARY_SEARCH_DIRS ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH) +else() + 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() + + 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) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "_boost_LIBRARY_SEARCH_DIRS = ${_boost_LIBRARY_SEARCH_DIRS}") +endif() + +# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES +if( Boost_USE_STATIC_LIBS ) + set( _boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES}) + if(WIN32) + set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) + else() + set(CMAKE_FIND_LIBRARY_SUFFIXES .a ) + endif() +endif() + +# We want to use the tag inline below without risking double dashes +if(_boost_RELEASE_ABI_TAG) + if(${_boost_RELEASE_ABI_TAG} STREQUAL "-") + set(_boost_RELEASE_ABI_TAG "") + endif() +endif() +if(_boost_DEBUG_ABI_TAG) + if(${_boost_DEBUG_ABI_TAG} STREQUAL "-") + set(_boost_DEBUG_ABI_TAG "") + endif() +endif() + +# The previous behavior of FindBoost when Boost_USE_STATIC_LIBS was enabled +# on WIN32 was to: +# 1. Search for static libs compiled against a SHARED C++ standard runtime library (use if found) +# 2. Search for static libs compiled against a STATIC C++ standard runtime library (use if found) +# We maintain this behavior since changing it could break people's builds. +# To disable the ambiguous behavior, the user need only +# set Boost_USE_STATIC_RUNTIME either ON or OFF. +set(_boost_STATIC_RUNTIME_WORKAROUND false) +if(WIN32 AND Boost_USE_STATIC_LIBS) + if(NOT DEFINED Boost_USE_STATIC_RUNTIME) + set(_boost_STATIC_RUNTIME_WORKAROUND true) + endif() +endif() + +# On versions < 1.35, remove the System library from the considered list +# since it wasn't added until 1.35. +if(Boost_VERSION AND Boost_FIND_COMPONENTS) + if(Boost_VERSION LESS 103500) + list(REMOVE_ITEM Boost_FIND_COMPONENTS system) + 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_docstring_release "Boost ${COMPONENT} library (release)") + set( _boost_docstring_debug "Boost ${COMPONENT} library (debug)") + + # + # Find RELEASE libraries + # + set(_boost_RELEASE_NAMES + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT} ) + if(_boost_STATIC_RUNTIME_WORKAROUND) + set(_boost_RELEASE_STATIC_ABI_TAG "-s${_boost_RELEASE_ABI_TAG}") + list(APPEND _boost_RELEASE_NAMES + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} ) + endif() + if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread") + _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_RELEASE_NAMES ${_boost_RELEASE_NAMES}) + endif() + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Searching for ${UPPERCOMPONENT}_LIBRARY_RELEASE: ${_boost_RELEASE_NAMES}") + endif() + _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE + NAMES ${_boost_RELEASE_NAMES} + HINTS ${_boost_LIBRARY_SEARCH_DIRS} + NAMES_PER_DIR + DOC "${_boost_docstring_release}" + ) + + # + # Find DEBUG libraries + # + set(_boost_DEBUG_NAMES + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED} + ${Boost_LIB_PREFIX}boost_${COMPONENT} ) + if(_boost_STATIC_RUNTIME_WORKAROUND) + set(_boost_DEBUG_STATIC_ABI_TAG "-s${_boost_DEBUG_ABI_TAG}") + list(APPEND _boost_DEBUG_NAMES + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION} + ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} ) + endif() + if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread") + _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_DEBUG_NAMES ${_boost_DEBUG_NAMES}) + endif() + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + "Searching for ${UPPERCOMPONENT}_LIBRARY_DEBUG: ${_boost_DEBUG_NAMES}") + endif() + _Boost_FIND_LIBRARY(Boost_${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}") + _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG "${_boost_docstring_debug}" ) + endif() + + _Boost_ADJUST_LIB_VARS(${UPPERCOMPONENT}) + +endforeach() + +# Restore the original find library ordering +if( Boost_USE_STATIC_LIBS ) + set(CMAKE_FIND_LIBRARY_SUFFIXES ${_boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}) +endif() + +# ------------------------------------------------------------------------ +# End finding boost libraries +# ------------------------------------------------------------------------ + +set(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR}) +set(Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR}) + +# The above setting of Boost_FOUND was based only on the header files. +# Update it for the requested component libraries. +if(Boost_FOUND) + # The headers were found. Check for requested component libs. + set(_boost_CHECKED_COMPONENT FALSE) + set(_Boost_MISSING_COMPONENTS "") + foreach(COMPONENT ${Boost_FIND_COMPONENTS}) + string(TOUPPER ${COMPONENT} COMPONENT) + set(_boost_CHECKED_COMPONENT TRUE) + if(NOT Boost_${COMPONENT}_FOUND) + string(TOLOWER ${COMPONENT} COMPONENT) + list(APPEND _Boost_MISSING_COMPONENTS ${COMPONENT}) + endif() + endforeach() + + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] Boost_FOUND = ${Boost_FOUND}") + endif() + + if (_Boost_MISSING_COMPONENTS) + set(Boost_FOUND 0) + # We were unable to find some libraries, so generate a sensible + # error message that lists the libraries we were unable to find. + set(Boost_ERROR_REASON + "${Boost_ERROR_REASON}\nThe following Boost libraries could not be found:\n") + foreach(COMPONENT ${_Boost_MISSING_COMPONENTS}) + set(Boost_ERROR_REASON + "${Boost_ERROR_REASON} boost_${COMPONENT}\n") endforeach() - if(Boost_DEBUG) - message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] Boost_FOUND = ${Boost_FOUND}") - endif() - - if (_Boost_MISSING_COMPONENTS) - # We were unable to find some libraries, so generate a sensible - # error message that lists the libraries we were unable to find. + list(LENGTH Boost_FIND_COMPONENTS Boost_NUM_COMPONENTS_WANTED) + list(LENGTH _Boost_MISSING_COMPONENTS Boost_NUM_MISSING_COMPONENTS) + if (${Boost_NUM_COMPONENTS_WANTED} EQUAL ${Boost_NUM_MISSING_COMPONENTS}) set(Boost_ERROR_REASON - "${Boost_ERROR_REASON}\nThe following Boost libraries could not be found:\n") - foreach(COMPONENT ${_Boost_MISSING_COMPONENTS}) - set(Boost_ERROR_REASON - "${Boost_ERROR_REASON} boost_${COMPONENT}\n") - endforeach() - - list(LENGTH Boost_FIND_COMPONENTS Boost_NUM_COMPONENTS_WANTED) - list(LENGTH _Boost_MISSING_COMPONENTS Boost_NUM_MISSING_COMPONENTS) - if (${Boost_NUM_COMPONENTS_WANTED} EQUAL ${Boost_NUM_MISSING_COMPONENTS}) - set(Boost_ERROR_REASON - "${Boost_ERROR_REASON}No Boost libraries were found. You may need to set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.") - else () - set(Boost_ERROR_REASON - "${Boost_ERROR_REASON}Some (but not all) of the required Boost libraries were found. You may need to install these additional Boost libraries. Alternatively, set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.") - endif () + "${Boost_ERROR_REASON}No Boost libraries were found. You may need to set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.") + else () + set(Boost_ERROR_REASON + "${Boost_ERROR_REASON}Some (but not all) of the required Boost libraries were found. You may need to install these additional Boost libraries. Alternatively, set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.") endif () + endif () - if( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT ) - # Compatibility Code for backwards compatibility with CMake - # 2.4's FindBoost module. + if( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT ) + # Compatibility Code for backwards compatibility with CMake + # 2.4's FindBoost module. - # Look for the boost library path. - # Note that the user may not have installed any libraries - # so it is quite possible the Boost_LIBRARY_DIRS may not exist. - set(_boost_LIB_DIR ${Boost_INCLUDE_DIR}) - - if("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+") - get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH) - endif() - - if("${_boost_LIB_DIR}" MATCHES "/include$") - # Strip off the trailing "/include" in the path. - get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH) - endif() - - if(EXISTS "${_boost_LIB_DIR}/lib") - set(_boost_LIB_DIR ${_boost_LIB_DIR}/lib) - else() - if(EXISTS "${_boost_LIB_DIR}/stage/lib") - set(_boost_LIB_DIR ${_boost_LIB_DIR}/stage/lib) - else() - set(_boost_LIB_DIR "") - endif() - endif() - - if(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}") - set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR} CACHE FILEPATH "Boost library directory") - endif() + # Look for the boost library path. + # Note that the user may not have installed any libraries + # so it is quite possible the Boost_LIBRARY_DIRS may not exist. + set(_boost_LIB_DIR ${Boost_INCLUDE_DIR}) + if("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+") + get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH) endif() - else() - set( Boost_FOUND FALSE) - endif() + if("${_boost_LIB_DIR}" MATCHES "/include$") + # Strip off the trailing "/include" in the path. + get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH) + endif() - # ------------------------------------------------------------------------ - # Notification to end user about what was found - # ------------------------------------------------------------------------ - - if(Boost_FOUND) - if(NOT Boost_FIND_QUIETLY) - message(STATUS "Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}") - if(Boost_FIND_COMPONENTS) - message(STATUS "Found the following Boost libraries:") - endif() - endif() - foreach( COMPONENT ${Boost_FIND_COMPONENTS} ) - string( TOUPPER ${COMPONENT} UPPERCOMPONENT ) - if( Boost_${UPPERCOMPONENT}_FOUND ) - if(NOT Boost_FIND_QUIETLY) - message (STATUS " ${COMPONENT}") - endif() - set(Boost_LIBRARIES ${Boost_LIBRARIES} ${Boost_${UPPERCOMPONENT}_LIBRARY}) - endif() - endforeach() - else() - if(Boost_FIND_REQUIRED) - message(SEND_ERROR "Unable to find the requested Boost libraries.\n${Boost_ERROR_REASON}") + if(EXISTS "${_boost_LIB_DIR}/lib") + set(_boost_LIB_DIR ${_boost_LIB_DIR}/lib) else() + if(EXISTS "${_boost_LIB_DIR}/stage/lib") + set(_boost_LIB_DIR ${_boost_LIB_DIR}/stage/lib) + else() + set(_boost_LIB_DIR "") + endif() + endif() + + if(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}") + set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR}) + endif() + + endif() +else() + # Boost headers were not found so no components were found. + foreach(COMPONENT ${Boost_FIND_COMPONENTS}) + string(TOUPPER ${COMPONENT} UPPERCOMPONENT) + set(Boost_${UPPERCOMPONENT}_FOUND 0) + endforeach() +endif() + +# ------------------------------------------------------------------------ +# Notification to end user about what was found +# ------------------------------------------------------------------------ + +set(Boost_LIBRARIES "") +if(Boost_FOUND) + if(NOT Boost_FIND_QUIETLY) + message(STATUS "Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}") + if(Boost_FIND_COMPONENTS) + message(STATUS "Found the following Boost libraries:") + endif() + endif() + foreach( COMPONENT ${Boost_FIND_COMPONENTS} ) + string( TOUPPER ${COMPONENT} UPPERCOMPONENT ) + if( Boost_${UPPERCOMPONENT}_FOUND ) if(NOT Boost_FIND_QUIETLY) - # we opt not to automatically output Boost_ERROR_REASON here as - # it could be quite lengthy and somewhat imposing in its requests - # Since Boost is not always a required dependency we'll leave this - # up to the end-user. - if(Boost_DEBUG OR Boost_DETAILED_FAILURE_MSG) - message(STATUS "Could NOT find Boost\n${Boost_ERROR_REASON}") - else() - message(STATUS "Could NOT find Boost") - endif() + message (STATUS " ${COMPONENT}") + endif() + list(APPEND Boost_LIBRARIES ${Boost_${UPPERCOMPONENT}_LIBRARY}) + endif() + endforeach() +else() + if(Boost_FIND_REQUIRED) + message(SEND_ERROR "Unable to find the requested Boost libraries.\n${Boost_ERROR_REASON}") + else() + if(NOT Boost_FIND_QUIETLY) + # we opt not to automatically output Boost_ERROR_REASON here as + # it could be quite lengthy and somewhat imposing in its requests + # Since Boost is not always a required dependency we'll leave this + # up to the end-user. + if(Boost_DEBUG OR Boost_DETAILED_FAILURE_MSG) + message(STATUS "Could NOT find Boost\n${Boost_ERROR_REASON}") + else() + message(STATUS "Could NOT find Boost") endif() endif() 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.")