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Explain how to choose your favorite Eigen version

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(grafted from 0c4d05b0091c84687e2470822743e8f89d2a1ebb
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This commit is contained in:
Gael Guennebaud 2016-12-06 11:34:06 +01:00
parent 75f0b8aae3
commit 487a6e6515
1 changed files with 5 additions and 2 deletions
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doc/TopicCMakeGuide.dox
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@ -32,6 +32,11 @@ which requires at least version 3.3 of %Eigen. Here, `path-to-example-directory`
is the path to the directory that contains both `CMakeLists.txt` and is the path to the directory that contains both `CMakeLists.txt` and
`example.cpp`. `example.cpp`.
If you have multiple installed version of %Eigen, you can pick your favorite one by setting the \c Eigen3_DIR cmake's variable to the respective path containing the \c Eigen3*.cmake files. For instance:
\code
cmake path-to-example-directory -DEigen3_DIR=$HOME/mypackages/share/eigen3/cmake/
\endcode
If the `REQUIRED` option is omitted when locating %Eigen using If the `REQUIRED` option is omitted when locating %Eigen using
`find_package`, one can check whether the package was found as follows: `find_package`, one can check whether the package was found as follows:
\code{.cmake} \code{.cmake}
@ -45,5 +50,3 @@ endif (TARGET Eigen3::Eigen)
*/ */
} }
// vim: set ft=cpp.doxygen