From e46a59a2307043c81b6263be1dc4e6bd1c35f8b8 Mon Sep 17 00:00:00 2001
From: Norihiro Watanabe <norihiro.watanabe@ufz.de>
Date: Fri, 6 Sep 2013 15:50:31 +0200
Subject: [PATCH] add CMake option OGS_USE_EIGEN
---
CMakeLists.txt | 13 +++++++++++++
scripts/cmake/Find.cmake | 7 ++++++-
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c62529345b6..47c1b5dacf2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,10 @@ OPTION(OGS_NO_EXTERNAL_LIBS "Builds OGS without any external dependencies." OFF)
# Linear solvers
OPTION(OGS_USE_LIS "Use Lis" OFF)
+# Eigen
+OPTION(OGS_USE_EIGEN "Use EIGEN for local matrix and vector" ON)
+OPTION(EIGEN_NO_DEBUG "Disables Eigen's assertions" ON)
+
# Logging
OPTION(OGS_DISABLE_LOGGING "Disables all logog messages." OFF)
@@ -105,6 +109,15 @@ IF(OGS_USE_LIS)
ADD_DEFINITIONS(-DUSE_LIS)
ENDIF()
+IF(OGS_USE_EIGEN)
+# ADD_DEFINITIONS(-DEIGEN_DEFAULT_DENSE_INDEX_TYPE=std::size_t)
+ ADD_DEFINITIONS(-DEIGEN_INITIALIZE_MATRICES_BY_ZERO)
+ ADD_DEFINITIONS(-DOGS_USE_EIGEN)
+ IF (EIGEN_NO_DEBUG)
+ ADD_DEFINITIONS(-DEIGEN_NO_DEBUG)
+ ENDIF()
+ENDIF()
+
ADD_SUBDIRECTORY( AssemblerLib )
ADD_SUBDIRECTORY( BaseLib )
# TODO This is a hack but we have to make sure that Boost is built first
diff --git a/scripts/cmake/Find.cmake b/scripts/cmake/Find.cmake
index 2cc014e3b5e..1295af1ffbd 100644
--- a/scripts/cmake/Find.cmake
+++ b/scripts/cmake/Find.cmake
@@ -163,5 +163,10 @@ ENDIF() # Shapelib_FOUND
## lis ##
IF(OGS_USE_LIS)
- FIND_PACKAGE( LIS REQUIRED )
+ FIND_PACKAGE( LIS REQUIRED )
+ENDIF()
+
+## Eigen ##
+IF(OGS_USE_EIGEN)
+ FIND_PACKAGE( Eigen3 REQUIRED )
ENDIF()
--
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