blender/build_files/cmake/Modules/FindEigen3.cmake
2022-02-11 14:23:56 +11:00

45 lines
1.2 KiB
CMake

# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2015 Blender Foundation.
# - Find Eigen3 library
# Find the native Eigen3 includes and library
# This module defines
# EIGEN3_INCLUDE_DIRS, where to find spnav.h, Set when
# EIGEN3_INCLUDE_DIR is found.
# EIGEN3_ROOT_DIR, The base directory to search for Eigen3.
# This can also be an environment variable.
# EIGEN3_FOUND, If false, do not try to use Eigen3.
# If EIGEN3_ROOT_DIR was defined in the environment, use it.
IF(NOT EIGEN3_ROOT_DIR AND NOT $ENV{EIGEN3_ROOT_DIR} STREQUAL "")
SET(EIGEN3_ROOT_DIR $ENV{EIGEN3_ROOT_DIR})
ENDIF()
SET(_eigen3_SEARCH_DIRS
${EIGEN3_ROOT_DIR}
)
FIND_PATH(EIGEN3_INCLUDE_DIR
NAMES
# header has no '.h' suffix
Eigen/Eigen
HINTS
${_eigen3_SEARCH_DIRS}
PATH_SUFFIXES
include/eigen3
)
# handle the QUIETLY and REQUIRED arguments and set EIGEN3_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Eigen3 DEFAULT_MSG
EIGEN3_INCLUDE_DIR)
IF(EIGEN3_FOUND)
SET(EIGEN3_INCLUDE_DIRS ${EIGEN3_INCLUDE_DIR})
ENDIF()
MARK_AS_ADVANCED(
EIGEN3_INCLUDE_DIR
)