gentoo-overlay/sci-libs/xdmf2/files/xdmf2-1.0_p141226-cmake-3.12.patch

--- a/CMakeLists.txt	2018-08-30 17:49:07.777815386 +0300
+++ b/CMakeLists.txt	2018-08-30 17:49:49.276706955 +0300
@@ -6,6 +6,11 @@
 	cmake_policy(SET CMP0015 NEW)
 endif (POLICY CMP0015)
 
+# Needed for CMake 2.12+
+if(POLICY CMP0077)
+	cmake_policy(SET CMP0077 NEW)
+endif()
+
 if(MSVC10)
 	SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR})
 	SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR})