fix: automatic change of eigen to include

[KOKIAOKI]

Current CMake failed to select eigen version automatically when thirdparty/eigen is cloned.
I fixed the conditional branch of USE_THIRDPARTY_EIGEN.

[coderabbitai]

Walkthrough

The changes in the CMakeLists.txt file involve toggling the USE_THIRDPARTY_EIGEN flag based on whether the Eigen libraries are found. If Eigen is detected, the flag is set to ON and the relevant include directories are configured; otherwise, it is set to OFF. Additionally, messages are added to indicate which include directories are selected based on Eigen's presence.

Changes

File	Change Summary
CMakeLists.txt	Toggled USE_THIRDPARTY_EIGEN flag based on Eigen detection; added messages for include directories.

In the realm of code so grand,
Eigen's presence takes a stand.
Flags will toggle, paths will show,
Directories where data flow.
With messages clear and bright,
Building code is pure delight. 🌟

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[coderabbitai]

Actionable comments posted: 0

Outside diff range and nitpick comments (1)

CMakeLists.txt (1)

33-33: Clear and informative message outputs based on the Eigen configuration.

Consider specifying the actual path in the status messages for greater clarity, e.g., message(STATUS "Using third-party Eigen at ${CMAKE_CURRENT_SOURCE_DIR}/thirdparty/Eigen").

Also applies to: 36-36

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between bb917cf and 7e5f86e.

Files selected for processing (1)

• CMakeLists.txt (2 hunks)

Additional comments not posted (2)

CMakeLists.txt (2)

9-11: Correct handling of the USE_THIRDPARTY_EIGEN flag when Eigen is not found.

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12-12: Proper setting of the USE_THIRDPARTY_EIGEN flag when Eigen is found.

[coderabbitai]

Actionable comments posted: 0

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7e5f86e and 50c2d2b.

Files selected for processing (1)

• CMakeLists.txt (2 hunks)

Files skipped from review as they are similar to previous changes (1)

• CMakeLists.txt