Merge pull request #1114 from junghans/cmake_eigen3

cmake: fix Eigen3 detection
2018-09-10 10:45:20 -04:00
parent 45682f8695 46b87518b8
commit a903e64947
1 changed files with 3 additions and 2 deletions
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@ -550,8 +550,9 @@ if(PKG_USER-SMD)
    set(EIGEN3_INCLUDE_DIR ${SOURCE_DIR})
    list(APPEND LAMMPS_DEPS Eigen3_build)
  else()
-    find_package(Eigen3)
-    if(NOT Eigen3_FOUND)
+    find_package(Eigen3 NO_MODULE)
+    mark_as_advanced(Eigen3_DIR)
+    if(NOT EIGEN3_FOUND)
      message(FATAL_ERROR "Eigen3 not found, help CMake to find it by setting EIGEN3_INCLUDE_DIR, or set DOWNLOAD_EIGEN3=ON to download it")
    endif()
  endif()