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0028197: Configuration - support Eigen template library as external dependency

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Supporting of "Eigen" third party was added to CMake build procedure.
This commit is contained in:
ski 2016-12-15 12:44:36 +03:00 committed by apn
parent 731c9b5bc0
commit 3b1a2e5158
2 changed files with 90 additions and 0 deletions
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19
CMakeLists.txt
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@ -588,6 +588,25 @@ else()
OCCT_CHECK_AND_UNSET ("INSTALL_TBB")
endif()
# EIGEN
# search for CSF_EIGEN variable in EXTERNLIB of each being used toolkit
OCCT_IS_PRODUCT_REQUIRED (CSF_EIGEN CAN_USE_EIGEN)
if (CAN_USE_EIGEN)
set (USE_EIGEN OFF CACHE BOOL "${USE_EIGEN_DESCR}")
if (USE_EIGEN)
add_definitions (-DHAVE_EIGEN)
OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/eigen")
else()
OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_EIGEN")
endif()
else()
OCCT_CHECK_AND_UNSET ("USE_EIGEN")
OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_EIGEN")
endif()
# Doxygen
if (BUILD_DOC_Overview)
if (NOT DEFINED INSTALL_DOC_Overview)

71
adm/cmake/eigen.cmake Normal file
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@ -0,0 +1,71 @@
# eigen
# eigen directory
if (NOT DEFINED 3RDPARTY_EIGEN_DIR)
set (3RDPARTY_EIGEN_DIR "" CACHE PATH "The directory containing eigen")
endif()
# search for eigen in user defined directory
if (3RDPARTY_DIR AND EXISTS "${3RDPARTY_DIR}")
if (NOT 3RDPARTY_EIGEN_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_DIR}")
FIND_PRODUCT_DIR("${3RDPARTY_DIR}" Eigen EIGEN_DIR_NAME)
if (EIGEN_DIR_NAME)
set (3RDPARTY_EIGEN_DIR "${3RDPARTY_DIR}/${EIGEN_DIR_NAME}" CACHE PATH "The directory containing eigen" FORCE)
endif()
endif()
endif()
if (NOT DEFINED 3RDPARTY_EIGEN_INCLUDE_DIR)
set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE FILEPATH "The directory containing headers of the EIGEN")
endif()
if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
set (HEADER_NAMES Eigen)
set (3RDPARTY_EIGEN_INCLUDE_DIR "3RDPARTY_EIGEN_INCLUDE_DIR-NOTFOUND" CACHE PATH "the path to Eigen header file" FORCE)
if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES}
PATHS ${3RDPARTY_EIGEN_DIR}
PATH_SUFFIXES include eigen3 include/eigen3
CMAKE_FIND_ROOT_PATH_BOTH
NO_DEFAULT_PATH)
else()
find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES}
PATH_SUFFIXES include eigen3 include/eigen3
CMAKE_FIND_ROOT_PATH_BOTH)
endif()
# use default (CMake) EIGEN search
if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
# use 3RDPARTY_FREETYPE_DIR if it is specified for freetype search
if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
set (CACHED_EIGEN_DIR $ENV{Eigen3_DIR})
set (ENV{Eigen3_DIR} "${3RDPARTY_EIGEN_DIR}")
endif()
find_package(Eigen3 QUIET)
# restore ENV{Eigen3_DIR}
if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
set (ENV{Eigen3_DIR} ${CACHED_EIGEN_DIR})
endif()
if (${EIGEN3_FOUND})
set (3RDPARTY_EIGEN_INCLUDE_DIR "${EIGEN3_INCLUDE_DIR}" CACHE PATH "the path to Eigen header file" FORCE)
set (3RDPARTY_EIGEN_DIR "${EIGEN3_ROOT_DIR}" CACHE PATH "The directory containing eigen" FORCE)
endif()
endif()
endif()
if (3RDPARTY_EIGEN_INCLUDE_DIR AND EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
list (APPEND 3RDPARTY_INCLUDE_DIRS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
else()
list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_EIGEN_INCLUDE_DIR)
set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE PATH "the path to Eigen header file" FORCE)
endif()
# unset all redundant variables
OCCT_CHECK_AND_UNSET(Eigen3_DIR)