31 lines
1.0 KiB
CMake
31 lines
1.0 KiB
CMake
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# Copyright 2018 The Cartographer Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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find_package(Eigen3 QUIET NO_MODULE)
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if (NOT EIGEN3_FOUND)
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list(APPEND EIGEN3_POSSIBLE_DIRS
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/usr/local/include/eigen3
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/usr/include/eigen3
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)
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find_path(EIGEN3_INCLUDE_DIR
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NAMES Eigen/Core
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PATHS ${EIGEN3_POSSIBLE_DIRS}
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)
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if (EIGEN3_INCLUDE_DIR AND EXISTS ${EIGEN3_INCLUDE_DIR})
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set(EIGEN3_FOUND TRUE)
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else()
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message(WARNING "Failed to find Eigen3. Please, define the path manually.")
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endif()
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endif()
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