From 3b073de3572a41f476243c3aa56ce28a9532fd6e Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Sun, 9 Sep 2018 01:21:37 -0400
Subject: [PATCH] make it less likely to have people get confused by Eigen3_DIR
---
cmake/CMakeLists.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 149f9da817..80eb035fee 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -538,6 +538,13 @@ if(PKG_USER-NETCDF)
endif()
if(PKG_USER-SMD)
+ # hack alert!
+ # something defines the Eigen3_DIR variable, but it has no effect
+ # yet shows up in the TUI/GUI display as "not found".
+ # and due to not being marked as advanced, it can mislead people
+ # as the EIGEN3_INCLUDE_DIR variable which does have an effect
+ # is marked as advanced. Tested on Fedora28 with Eigen3-3.3.5 rpm.
+ mark_as_advanced(Eigen3_DIR)
option(DOWNLOAD_EIGEN3 "Download Eigen3 (instead of using the system's one)" OFF)
if(DOWNLOAD_EIGEN3)
include(ExternalProject)
--
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