From 67907af163354636ac1610d11e1b5feff0900311 Mon Sep 17 00:00:00 2001
From: Ningfei Li <ningfei.li@gmail.com>
Date: Fri, 15 Jun 2018 13:08:38 +0200
Subject: [PATCH] Check yaml-cpp version before build.

Build it from github if it's < 0.5.3.
---
 SuperBuild/SuperBuild.cmake | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/SuperBuild/SuperBuild.cmake b/SuperBuild/SuperBuild.cmake
index e23f7fa7..35735797 100644
--- a/SuperBuild/SuperBuild.cmake
+++ b/SuperBuild/SuperBuild.cmake
@@ -28,7 +28,7 @@ if(USE_STATIC_RUNTIME)
         mark_as_advanced(STATIC_LIBCXX)
         if(NOT STATIC_LIBCXX)
             unset(STATIC_LIBCXX CACHE)
-            # only on some Centos/Redhat systems
+            # Only on some Centos/Redhat systems
             message(FATAL_ERROR
                 "\"USE_STATIC_RUNTIME\" set to ON but \"libstdcxx.a\" not found! \
                  \"yum install libstdc++-static\" to resolve the error.")
@@ -91,7 +91,8 @@ if(BATCH_VERSION)
             pkg_check_modules(YAML-CPP yaml-cpp)
         endif()
 
-        if(YAML-CPP_FOUND)
+        # Build from github if not found or version < 0.5.3
+        if(YAML-CPP_FOUND AND NOT (YAML-CPP_VERSION VERSION_LESS "0.5.3"))
             set(YAML-CPP_DIR ${YAML-CPP_LIBDIR}/cmake/yaml-cpp CACHE PATH "Path to yaml-cpp configuration file"  FORCE)
             message("--     Using yaml-cpp library from ${YAML-CPP_DIR}")
         else()