docs: add Eigen to Linux install deps

Linux "basic dependencies" omitted libeigen3-dev even though
ifcgeom requires Eigen3 (find_package Eigen3 REQUIRED) and the
cmake snippet already passes -DEIGEN_DIR=/usr/include/eigen3.
macOS Homebrew line already installs eigen.

Closes #6903

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This commit is contained in:
Bartok
2026-07-20 05:40:13 -04:00
committed by Thomas Krijnen
parent 6b917ba36d
commit 4ea05f79c3
@@ -58,7 +58,7 @@ operating systems. GCC (4.7 or newer) or Clang (any version) is required.
.. code-block:: bash
sudo apt-get install git cmake gcc g++ libboost-all-dev libcgal-dev
sudo apt-get install git cmake gcc g++ libboost-all-dev libcgal-dev libeigen3-dev
The CGAL version that ships with Ubuntu 20.04 is too old. Users on Ubuntu 20.04 are advised to manually install CGAL 5.3.