From 264e4fd3b1b7f23e68f0206543721ecf0b328b3f Mon Sep 17 00:00:00 2001
From: Christoph Junghans <junghans@lanl.gov>
Date: Fri, 22 Jun 2018 17:05:55 -0600
Subject: [PATCH] cmake: fix for <cmake-3.4
---
cmake/CMakeLists.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 63008b5060..a434b982e4 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -461,6 +461,9 @@ endforeach(HEADER)
set(MATH_LIBRARIES "m" CACHE STRING "math library")
mark_as_advanced( MATH_LIBRARIES )
include(CheckLibraryExists)
+if (CMAKE_VERSION VERSION_LESS "3.4")
+ enable_language(C) # check_library_exists isn't support with a c compiler before v3.4
+endif()
foreach(FUNC sin cos)
check_library_exists(${MATH_LIBRARIES} ${FUNC} "" FOUND_${FUNC}_${MATH_LIBRARIES})
if(NOT FOUND_${FUNC}_${MATH_LIBRARIES})
--
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