DisableTests.patch

--- CMakeLists.txt
+++ CMakeLists.txt
@@ -416,16 +416,15 @@ add_subdirectory(Eigen)

 add_subdirectory(doc EXCLUDE_FROM_ALL)

-include(EigenConfigureTesting)
+option(BUILD_TESTING "Enable creation of Eigen tests." ON)
+if(BUILD_TESTING)
+  include(EigenConfigureTesting)

-# fixme, not sure this line is still needed:
-enable_testing() # must be called from the root CMakeLists, see man page
-
-
-if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
-  add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
-else()
-  add_subdirectory(test EXCLUDE_FROM_ALL)
+  if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
+    add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
+  else()
+    add_subdirectory(test EXCLUDE_FROM_ALL)
+  endif()
 endif()

 if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
@@ -461,7 +460,9 @@ endif(NOT WIN32)

 configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY)

-ei_testing_print_summary()
+if(BUILD_TESTING)
+  ei_testing_print_summary()
+endif()

 message(STATUS "")
 message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}")
diff --git a/blas/CMakeLists.txt b/blas/CMakeLists.txt
index d0efb4188..9887d5804 100644
--- blas/CMakeLists.txt
+++ blas/CMakeLists.txt
@@ -45,10 +45,12 @@ install(TARGETS eigen_blas eigen_blas_static

 if(EIGEN_Fortran_COMPILER_WORKS)

-if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
-  add_subdirectory(testing) # can't do EXCLUDE_FROM_ALL here, breaks CTest
-else()
-  add_subdirectory(testing EXCLUDE_FROM_ALL)
+if(BUILD_TESTING)
+  if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
+    add_subdirectory(testing) # can't do EXCLUDE_FROM_ALL here, breaks CTest
+  else()
+    add_subdirectory(testing EXCLUDE_FROM_ALL)
+  endif()
 endif()

 endif()
diff --git a/unsupported/CMakeLists.txt b/unsupported/CMakeLists.txt
index 4fef40a86..9a5666105 100644
--- unsupported/CMakeLists.txt
+++ unsupported/CMakeLists.txt
@@ -1,7 +1,9 @@
 add_subdirectory(Eigen)
 add_subdirectory(doc EXCLUDE_FROM_ALL)
-if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
-  add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
-else()
-  add_subdirectory(test EXCLUDE_FROM_ALL)
+if(BUILD_TESTING)
+  if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
+    add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
+  else()
+    add_subdirectory(test EXCLUDE_FROM_ALL)
+  endif()
 endif()