Added $<BUILD_INTERFACE> to gflags include to avoid including the gflags include...

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a32cb00..d8a13bc 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -390,7 +390,7 @@ if (HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)
 endif (HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)
 
 if (gflags_FOUND)
-  target_include_directories (glog PUBLIC ${gflags_INCLUDE_DIR})
+  target_include_directories (glog PUBLIC $<BUILD_INTERFACE:${gflags_INCLUDE_DIR}>)
   target_link_libraries (glog PUBLIC ${gflags_LIBRARIES})
 
   if (NOT BUILD_SHARED_LIBS)