From 7378ad4e50ee22c0b42b5655f132ab0653c59640 Mon Sep 17 00:00:00 2001
From: dzhwinter <dzhwinter@gmail.com>
Date: Wed, 16 May 2018 19:45:54 -0700
Subject: [PATCH] "change eigen mirror"

---
 cmake/external/eigen.cmake | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/cmake/external/eigen.cmake b/cmake/external/eigen.cmake
index 73d70c34dce..e029300eee9 100644
--- a/cmake/external/eigen.cmake
+++ b/cmake/external/eigen.cmake
@@ -21,9 +21,12 @@ else()
     ExternalProject_Add(
         extern_eigen3
         ${EXTERNAL_PROJECT_LOG_ARGS}
-        GIT_REPOSITORY  "https://github.com/RLovelett/eigen.git"
-        GIT_TAG         70661066beef694cadf6c304d0d07e0758825c10
+        GIT_REPOSITORY  "https://github.com/eigenteam/eigen-git-mirror"
+        # eigen on cuda9.1 missing header of math_funtions.hpp
+        # https://stackoverflow.com/questions/43113508/math-functions-hpp-not-found-when-using-cuda-with-eigen
+        GIT_TAG         917060c364181f33a735dc023818d5a54f60e54c
         PREFIX          ${EIGEN_SOURCE_DIR}
+        DOWNLOAD_NAME   "eigen"
         UPDATE_COMMAND  ""
         CONFIGURE_COMMAND ""
         BUILD_COMMAND     ""
-- 
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