From aa84ddffed1fe421a26c4169ae94540beae8def1 Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Thu, 22 Mar 2018 07:25:26 -0500
Subject: [PATCH] Add latest version of eigen (#7530)

* Add latest version of eigen

* Fix bug in ptscotch detection
---
 .../packages/eigen/find-ptscotch.patch        | 27 +++++++++++++++++++
 .../repos/builtin/packages/eigen/package.py   |  5 +++-
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 var/spack/repos/builtin/packages/eigen/find-ptscotch.patch

diff --git a/var/spack/repos/builtin/packages/eigen/find-ptscotch.patch b/var/spack/repos/builtin/packages/eigen/find-ptscotch.patch
new file mode 100644
index 0000000000..4f6e286b72
--- /dev/null
+++ b/var/spack/repos/builtin/packages/eigen/find-ptscotch.patch
@@ -0,0 +1,27 @@
+Version 3.3.4 contained a bug that prevented it from finding scotch~mpi.
+
+diff --git a/tmp/FindPTSCOTCH.cmake b/cmake/FindPTSCOTCH.cmake
+index 1396d05..23451b1 100644
+--- a/tmp/FindPTSCOTCH.cmake
++++ b/cmake/FindPTSCOTCH.cmake
+@@ -167,11 +167,11 @@ endif()
+
+ # If found, add path to cmake variable
+ # ------------------------------------
++unset(PTSCOTCH_INCLUDE_DIRS)
+ foreach(ptscotch_hdr ${PTSCOTCH_hdrs_to_find})
+   if (PTSCOTCH_${ptscotch_hdr}_DIRS)
+     list(APPEND PTSCOTCH_INCLUDE_DIRS "${PTSCOTCH_${ptscotch_hdr}_DIRS}")
+   else ()
+-    set(PTSCOTCH_INCLUDE_DIRS "PTSCOTCH_INCLUDE_DIRS-NOTFOUND")
+     if (NOT PTSCOTCH_FIND_QUIETLY)
+       message(STATUS "Looking for ptscotch -- ${ptscotch_hdr} not found")
+     endif()
+@@ -255,7 +255,6 @@ foreach(ptscotch_lib ${PTSCOTCH_libs_to_find})
+     list(APPEND PTSCOTCH_LIBRARIES "${PTSCOTCH_${ptscotch_lib}_LIBRARY}")
+     list(APPEND PTSCOTCH_LIBRARY_DIRS "${${ptscotch_lib}_lib_path}")
+   else ()
+-    list(APPEND PTSCOTCH_LIBRARIES "${PTSCOTCH_${ptscotch_lib}_LIBRARY}")
+     if (NOT PTSCOTCH_FIND_QUIETLY)
+       message(STATUS "Looking for ptscotch -- lib ${ptscotch_lib} not found")
+     endif()
diff --git a/var/spack/repos/builtin/packages/eigen/package.py b/var/spack/repos/builtin/packages/eigen/package.py
index 9e7d8c392e..0c820ec671 100644
--- a/var/spack/repos/builtin/packages/eigen/package.py
+++ b/var/spack/repos/builtin/packages/eigen/package.py
@@ -31,8 +31,9 @@ class Eigen(CMakePackage):
     """
 
     homepage = 'http://eigen.tuxfamily.org/'
-    url      = 'https://bitbucket.org/eigen/eigen/get/3.3.3.tar.bz2'
+    url      = 'https://bitbucket.org/eigen/eigen/get/3.3.4.tar.bz2'
 
+    version('3.3.4', 'a7aab9f758249b86c93221ad417fbe18')
     version('3.3.3', 'b2ddade41040d9cf73b39b4b51e8775b')
     version('3.3.1', 'edb6799ef413b0868aace20d2403864c')
     version('3.2.10', 'a85bb68c82988648c3d53ba9768d7dcbcfe105f8')
@@ -58,3 +59,5 @@ class Eigen(CMakePackage):
     depends_on('suite-sparse', when='+suitesparse')
     depends_on('mpfr@2.3.0:', when='+mpfr')
     depends_on('gmp', when='+mpfr')
+
+    patch('find-ptscotch.patch', when='@3.3.4')