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# ConfigureMsvc3rdParty.cmake - Configure 3rd Party Library Paths on Windows
# we want to handle various cases here:
# fgmeta layout, where windows-3rd-party is a sibling of our flightgear source dir
# - this should work with no manual options
# explicitly specifying MSVC_3RDPARTY_ROOT: we'll select a subdir based on MSVC version
# and architecture. We want to allow for people specify various paths here:
# - path to windows-3rd-party
# - path to an MSVC versioned subdir, eg -DMSVC_3RDPARTY_ROOT=C:\FGFS\windows-3rd-party\msvc140
# - path to an architecture specific subdir, eg -DMSVC_3RDPARTY_ROOT=C:\FGFS\windows-3rd-party\msvc140\3rdparty.x64
set(_FOUND_3RDPARTY_DIR "NOTFOUND")
set(_FOUND_BOOST_INCLUDE_DIR "NOTFOUND")
# try various suffixes of a base directory, and
# set the variables above on success
function(_check_candidate_msvc_path pathToCheck)
unset (_freeTypeHeader CACHE )
unset (_zlibDll CACHE )
unset (_boostHeaders CACHE )
find_path(_freeTypeHeader include/ft2build.h
PATHS
${pathToCheck}
PATH_SUFFIXES
${ARCH_SUBDIR_NAME}
${MSVC_SUBDIR_NAME}/${ARCH_SUBDIR_NAME}
${COMPAT_SUBDIR_NAME}/${ARCH_SUBDIR_NAME}
NO_DEFAULT_PATH
)
find_path(_zlibDll bin/zlib.dll
PATHS
${pathToCheck}
PATH_SUFFIXES
${ARCH_SUBDIR_NAME}
${MSVC_SUBDIR_NAME}/${ARCH_SUBDIR_NAME}
${COMPAT_SUBDIR_NAME}/${ARCH_SUBDIR_NAME}
NO_DEFAULT_PATH
)
find_path(_boostHeaders boost/atomic.hpp
PATHS
${pathToCheck}
NO_DEFAULT_PATH
)
if (_freeTypeHeader AND _zlibDll)
set(_FOUND_3RDPARTY_DIR "${_freeTypeHeader}" PARENT_SCOPE)
if (_boostHeaders)
set(_FOUND_BOOST_INCLUDE_DIR "${_boostHeaders}" PARENT_SCOPE)
endif()
endif()
endfunction()
if (MSVC)
# compute values for the compiler and arch subdirs
string(SUBSTRING ${MSVC_VERSION} 0 2 MSVC_VERSION_MAJOR)
string(SUBSTRING ${MSVC_VERSION} 2 2 MSVC_VERSION_MINOR)
if (${MSVC_VERSION_MAJOR} EQUAL "19")
if (${MSVC_VERSION_MINOR} EQUAL "00")
set( MSVC_SUBDIR_NAME msvc140 )
else ()
set( MSVC_SUBDIR_NAME msvc141 )
set( COMPAT_SUBDIR_NAME msvc140 )
endif()
else ()
message(FATAL_ERROR "Visual Studio 2017 is required")
endif ()
if (CMAKE_CL_64)
SET(ARCH_SUBDIR_NAME "3rdParty.x64")
else (CMAKE_CL_64)
SET(ARCH_SUBDIR_NAME "3rdParty")
endif (CMAKE_CL_64)
# try the explicitly specified value first
if (EXISTS ${MSVC_3RDPARTY_ROOT})
_check_candidate_msvc_path("${MSVC_3RDPARTY_ROOT}")
endif()
# then try the fgmeta setup: look for a windows-3rdparty sibling of
# our source dir
get_filename_component(PARENT_SOURCE_DIR ${PROJECT_SOURCE_DIR} DIRECTORY)
get_filename_component(PARENT_BINARY_DIR ${PROJECT_BINARY_DIR} DIRECTORY)
if (NOT _FOUND_3RDPARTY_DIR AND EXISTS "${PARENT_SOURCE_DIR}/windows-3rd-party")
message(STATUS "Trying src 3rdparty")
_check_candidate_msvc_path("${PARENT_SOURCE_DIR}/windows-3rd-party")
endif()
if (NOT _FOUND_3RDPARTY_DIR AND EXISTS "${PARENT_BINARY_DIR}/windows-3rd-party")
message(STATUS "Trying bin 3rdparty")
_check_candidate_msvc_path("${PARENT_BINARY_DIR}/windows-3rd-party")
endif()
# try the Jenkins setup, whre the arch dir is copied into the WORKSPACE
if (NOT _FOUND_3RDPARTY_DIR AND EXISTS "${PARENT_BINARY_DIR}/${ARCH_SUBDIR_NAME}")
message(STATUS "Trying arch subdir ${PARENT_BINARY_DIR}/${ARCH_SUBDIR_NAME}")
_check_candidate_msvc_path("${PARENT_BINARY_DIR}/${ARCH_SUBDIR_NAME}")
endif()
if (NOT _FOUND_3RDPARTY_DIR)
message(WARNING "Failed to find the Windows 3rdparty files at all.")
set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
endif()
list(APPEND PLATFORM_LIBS "winmm.lib")
else (MSVC)
set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
endif (MSVC)
if (MSVC AND _FOUND_3RDPARTY_DIR)
message(STATUS "3rdparty files located in ${_FOUND_3RDPARTY_DIR}")
list(APPEND CMAKE_PREFIX_PATH ${_FOUND_3RDPARTY_DIR})
set(FINAL_MSVC_3RDPARTY_DIR ${_FOUND_3RDPARTY_DIR})
if (CMAKE_CL_64)
set( BOOST_LIB lib64 )
else (CMAKE_CL_64)
set( BOOST_LIB lib )
endif (CMAKE_CL_64)
if(NOT BOOST_INCLUDEDIR AND _FOUND_BOOST_INCLUDE_DIR)
set(BOOST_INCLUDEDIR ${_FOUND_BOOST_INCLUDE_DIR})
message(STATUS "found Boost headers at ${_FOUND_BOOST_INCLUDE_DIR}")
endif()
endif ()