From c513b5e3c6c94a8e0d98d07e11a3f96ce1556584 Mon Sep 17 00:00:00 2001
From: Eric Cousineau <eric.cousineau@tri.global>
Date: Sun, 18 Oct 2020 20:42:48 -0400
Subject: [PATCH] tests(CMakeLists): robustify against add'l versions of Boost
 (#2608)

* tests/CMakeLists: Robustify against add'l versions of Boost

* refactor: simpler impl

Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
---
 tests/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 7754315c..5ae0e44a 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -226,12 +226,12 @@ find_package(Boost 1.56)
 
 if(Boost_FOUND)
   if(NOT TARGET Boost::headers)
+    add_library(Boost::headers IMPORTED INTERFACE)
     if(TARGET Boost::boost)
       # Classic FindBoost
-      add_library(Boost::headers ALIAS Boost::boost)
+      set_property(TARGET Boost::boost PROPERTY INTERFACE_LINK_LIBRARIES Boost::boost)
     else()
       # Very old FindBoost, or newer Boost than CMake in older CMakes
-      add_library(Boost::headers IMPORTED INTERFACE)
       set_property(TARGET Boost::headers PROPERTY INTERFACE_INCLUDE_DIRECTORIES
                                                   ${Boost_INCLUDE_DIRS})
     endif()