From 9c4df73ef4498c58ebf7bc25c318227d14db42b4 Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Thu, 5 Dec 2019 04:32:01 +0000
Subject: [PATCH] Force Boost_NO_BOOST_CMAKE.

---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 785b3aab66..7238ab16b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -474,6 +474,12 @@ set(Boost_ADDITIONAL_VERSIONS
   "1.51.1" "1.51.0" "1.51"
   "1.50.1" "1.50.0" "1.50"
   "1.49.1" "1.49.0" "1.49")
+# Disable forced config-mode CMake search for Boost, which only imports targets
+# and does not set the variables that we need.
+#
+# TODO for the brave: transition all mlpack's CMake to 'target-based modern
+# CMake'.  Good luck!  You'll need it.
+set(Boost_NO_BOOST_CMAKE 1)
 find_package(Boost 1.49
     COMPONENTS
       program_options