From d15d55667aa4e03c7b6f8f5d0931538912c93007 Mon Sep 17 00:00:00 2001
From: Sergiu Deitsch <sergiu.deitsch@gmail.com>
Date: Sun, 9 Jul 2017 02:04:17 +0200
Subject: [PATCH] cmake: fixed gflags namespace detection (fixes #193)

This commit fixes gflags namespace detection using Intel compiler and ensures
the generated try_compile command line does not produce malformed paths.
---
 cmake/DetermineGflagsNamespace.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/DetermineGflagsNamespace.cmake b/cmake/DetermineGflagsNamespace.cmake
index e5e50ccd0..5f3026702 100755
--- a/cmake/DetermineGflagsNamespace.cmake
+++ b/cmake/DetermineGflagsNamespace.cmake
@@ -35,7 +35,7 @@ int main(int argc, char**argv)
         "${CMAKE_BINARY_DIR}" "${_check_file}"
         COMPILE_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}" -DGFLAGS_NAMESPACE=${_namespace}
         LINK_LIBRARIES "${gflags_LIBRARIES}"
-        CMAKE_FLAGS -DINCLUDE_DIRECTORIES:STRING="${gflags_INCLUDE_DIR}"
+        CMAKE_FLAGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} "-DINCLUDE_DIRECTORIES:STRING=${gflags_INCLUDE_DIR}"
         OUTPUT_VARIABLE OUTPUT)
 
       if (${VARIABLE})