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# Copyright 2019-2021 Peter Dimov
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
if(CMAKE_SOURCE_DIR STREQUAL Boost_SOURCE_DIR AND WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "C:/Boost" CACHE PATH "Installation path prefix, prepended to installation directories" FORCE)
endif()
include(BoostMessage)
include(BoostInstall)
#
set(__boost_incompatible_libraries
gil
)
# Define cache variables if root project
if(CMAKE_SOURCE_DIR STREQUAL Boost_SOURCE_DIR)
# --with-<library>
set(BOOST_INCLUDE_LIBRARIES "" CACHE STRING
"List of libraries to build (default: all but excluded and incompatible)")
# --without-<library>
set(BOOST_EXCLUDE_LIBRARIES "" CACHE STRING
"List of libraries to exclude from build")
set(BOOST_INCOMPATIBLE_LIBRARIES
"${__boost_incompatible_libraries}"
CACHE STRING
"List of libraries with incompatible CMakeLists.txt files")
option(BOOST_ENABLE_MPI
"Build and enable installation of Boost.MPI and its dependents (requires MPI, CMake 3.9)")
option(BOOST_ENABLE_PYTHON
"Build and enable installation of Boost.Python and its dependents (requires Python, CMake 3.14)")
# --layout, --libdir, --cmakedir, --includedir in BoostInstall
# runtime-link=static|shared
set(BOOST_RUNTIME_LINK shared CACHE STRING "Runtime library selection for the MS ABI (shared or static)")
set_property(CACHE BOOST_RUNTIME_LINK PROPERTY STRINGS shared static)
option(BUILD_TESTING "Build the tests." OFF)
include(CTest)
add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
# link=static|shared
option(BUILD_SHARED_LIBS "Build shared libraries")
# --stagedir
set(BOOST_STAGEDIR "${CMAKE_CURRENT_BINARY_DIR}/stage" CACHE STRING "Build output directory")
if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${BOOST_STAGEDIR}/bin")
endif()
if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${BOOST_STAGEDIR}/lib")
endif()
if(NOT CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${BOOST_STAGEDIR}/lib")
endif()
else()
# add_subdirectory use
if(NOT DEFINED BOOST_INCOMPATIBLE_LIBRARIES)
set(BOOST_INCOMPATIBLE_LIBRARIES ${__boost_incompatible_libraries})
endif()
if(NOT DEFINED BOOST_ENABLE_MPI)
set(BOOST_ENABLE_MPI OFF)
endif()
if(NOT DEFINED BOOST_ENABLE_PYTHON)
set(BOOST_ENABLE_PYTHON OFF)
endif()
set(BUILD_TESTING OFF)
set(CMAKE_SKIP_INSTALL_RULES ON)
endif()
if(NOT CMAKE_MSVC_RUNTIME_LIBRARY)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
if(NOT BOOST_RUNTIME_LINK STREQUAL "static")
string(APPEND CMAKE_MSVC_RUNTIME_LIBRARY "DLL")
endif()
endif()
# Output configuration status lines
set(_msg "")
if(NOT CMAKE_CONFIGURATION_TYPES AND CMAKE_BUILD_TYPE)
string(APPEND _msg "${CMAKE_BUILD_TYPE} build, ")
endif()
if(BUILD_SHARED_LIBS)
string(APPEND _msg "shared libraries, ")
else()
string(APPEND _msg "static libraries, ")
endif()
if(MSVC)
if(CMAKE_MSVC_RUNTIME_LIBRARY STREQUAL "MultiThreaded$<$<CONFIG:Debug>:Debug>")
string(APPEND _msg "static runtime, ")
elseif(CMAKE_MSVC_RUNTIME_LIBRARY STREQUAL "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
string(APPEND _msg "shared runtime, ")
endif()
endif()
string(APPEND _msg "MPI ${BOOST_ENABLE_MPI}, Python ${BOOST_ENABLE_PYTHON}, testing ${BUILD_TESTING}")
message(STATUS "Boost: ${_msg}")
unset(_msg)
if(BOOST_INCLUDE_LIBRARIES)
message(STATUS "Boost: libraries included: ${BOOST_INCLUDE_LIBRARIES}")
endif()
if(BOOST_EXCLUDE_LIBRARIES)
message(STATUS "Boost: libraries excluded: ${BOOST_EXCLUDE_LIBRARIES}")
endif()
# Define functions
function(__boost_auto_install __boost_lib)
if(NOT CMAKE_VERSION VERSION_LESS 3.13)
string(MAKE_C_IDENTIFIER "${__boost_lib}" __boost_lib_target)
if(TARGET "Boost::${__boost_lib_target}" AND TARGET "boost_${__boost_lib_target}")
get_target_property(__boost_lib_incdir "boost_${__boost_lib_target}" INTERFACE_INCLUDE_DIRECTORIES)
if(__boost_lib_incdir STREQUAL "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${__boost_lib}/include")
boost_message(DEBUG "Enabling installation for '${__boost_lib}'")
boost_install(TARGETS "boost_${__boost_lib_target}" VERSION "${BOOST_SUPERPROJECT_VERSION}" HEADER_DIRECTORY "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${__boost_lib}/include")
else()
boost_message(DEBUG "Not enabling installation for '${__boost_lib}'; interface include directory '${__boost_lib_incdir}' does not equal '${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${__boost_lib}/include'")
endif()
else()
boost_message(DEBUG "Not enabling installation for '${__boost_lib}'; targets 'Boost::${__boost_lib_target}' and 'boost_${__boost_lib_target}' weren't found")
endif()
endif()
endfunction()
function(__boost_scan_dependencies lib var)
set(result "")
if(EXISTS "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${lib}/CMakeLists.txt")
file(STRINGS "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${lib}/CMakeLists.txt" data)
foreach(line IN LISTS data)
if(line MATCHES "^[ ]*Boost::([A-Za-z0-9_]+)[ ]*$")
string(REGEX REPLACE "^numeric_" "numeric/" dep ${CMAKE_MATCH_1})
list(APPEND result ${dep})
endif()
endforeach()
endif()
set(${var} ${result} PARENT_SCOPE)
endfunction()
#
file(GLOB __boost_libraries RELATIVE "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs" "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/*/CMakeLists.txt" "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/numeric/*/CMakeLists.txt")
# Check for mistakes in BOOST_INCLUDE_LIBRARIES
foreach(__boost_included_lib IN LISTS BOOST_INCLUDE_LIBRARIES)
if(NOT "${__boost_included_lib}/CMakeLists.txt" IN_LIST __boost_libraries)
message(WARNING "Library '${__boost_included_lib}' given in BOOST_INCLUDE_LIBRARIES has not been found.")
endif()
endforeach()
# Scan for dependencies
set(__boost_include_libraries ${BOOST_INCLUDE_LIBRARIES})
if(__boost_include_libraries)
list(REMOVE_DUPLICATES __boost_include_libraries)
endif()
set(__boost_libs_to_scan ${__boost_include_libraries})
while(__boost_libs_to_scan)
boost_message(DEBUG "Scanning dependencies: ${__boost_libs_to_scan}")
set(__boost_dependencies "")
foreach(__boost_lib IN LISTS __boost_libs_to_scan)
__boost_scan_dependencies(${__boost_lib} __boost_deps)
list(APPEND __boost_dependencies ${__boost_deps})
endforeach()
list(REMOVE_DUPLICATES __boost_dependencies)
set(__boost_libs_to_scan ${__boost_dependencies})
if(__boost_libs_to_scan)
list(REMOVE_ITEM __boost_libs_to_scan ${__boost_include_libraries})
endif()
list(APPEND __boost_include_libraries ${__boost_libs_to_scan})
endwhile()
# Installing targets created in other directories requires CMake 3.13
if(CMAKE_VERSION VERSION_LESS 3.13)
boost_message(STATUS "Boost installation support requires CMake 3.13 (have ${CMAKE_VERSION})")
endif()
set(__boost_mpi_libs mpi graph_parallel property_map_parallel)
set(__boost_python_libs python parameter_python)
foreach(__boost_lib_cml IN LISTS __boost_libraries)
get_filename_component(__boost_lib "${__boost_lib_cml}" DIRECTORY)
if(__boost_lib IN_LIST BOOST_INCOMPATIBLE_LIBRARIES)
boost_message(DEBUG "Skipping incompatible Boost library ${__boost_lib}")
elseif(__boost_lib IN_LIST BOOST_EXCLUDE_LIBRARIES)
boost_message(DEBUG "Skipping excluded Boost library ${__boost_lib}")
elseif(NOT BOOST_ENABLE_MPI AND __boost_lib IN_LIST __boost_mpi_libs)
boost_message(DEBUG "Skipping Boost library ${__boost_lib}, BOOST_ENABLE_MPI is OFF")
elseif(NOT BOOST_ENABLE_PYTHON AND __boost_lib IN_LIST __boost_python_libs)
boost_message(DEBUG "Skipping Boost library ${__boost_lib}, BOOST_ENABLE_PYTHON is OFF")
elseif(NOT BOOST_INCLUDE_LIBRARIES OR __boost_lib IN_LIST BOOST_INCLUDE_LIBRARIES)
boost_message(VERBOSE "Adding Boost library ${__boost_lib}")
add_subdirectory(libs/${__boost_lib})
__boost_auto_install(${__boost_lib})
elseif(__boost_lib IN_LIST __boost_include_libraries)
# Disable tests for dependencies
set(__boost_build_testing ${BUILD_TESTING})
set(BUILD_TESTING OFF) # hide cache variable
boost_message(VERBOSE "Adding Boost dependency ${__boost_lib}")
add_subdirectory(libs/${__boost_lib})
__boost_auto_install(${__boost_lib})
set(BUILD_TESTING ${__boost_build_testing})
elseif(BUILD_TESTING)
# Disable tests and installation for libraries neither included nor dependencies
set(__boost_build_testing ${BUILD_TESTING})
set(BUILD_TESTING OFF) # hide cache variable
set(__boost_skip_install ${CMAKE_SKIP_INSTALL_RULES})
set(CMAKE_SKIP_INSTALL_RULES ON)
boost_message(DEBUG "Adding Boost library ${__boost_lib} with EXCLUDE_FROM_ALL")
add_subdirectory(libs/${__boost_lib} EXCLUDE_FROM_ALL)
set(BUILD_TESTING ${__boost_build_testing})
set(CMAKE_SKIP_INSTALL_RULES ${__boost_skip_install})
endif()
endforeach()
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