From 5a31844e11f23d3e549c86f0b20a87f1f976f642 Mon Sep 17 00:00:00 2001
From: Sam Edwards <CFSworks@gmail.com>
Date: Thu, 19 Apr 2018 00:05:21 -0600
Subject: [PATCH] CMake: Slightly tweak component-library -D inheritance rules

This only inherits -D flags from another component library. The private
-D flags should not be inherited from regular libraries.
---
 cmake/macros/BuildMetalib.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/macros/BuildMetalib.cmake b/cmake/macros/BuildMetalib.cmake
index b42c35b7f2..e744834374 100644
--- a/cmake/macros/BuildMetalib.cmake
+++ b/cmake/macros/BuildMetalib.cmake
@@ -30,7 +30,7 @@ function(target_link_libraries target)
 
       # Also build with the same BUILDING_ macros, because these will all end
       # up in the same library.
-      set(compile_definitions "$<TARGET_PROPERTY:${library},COMPILE_DEFINITIONS>")
+      set(compile_definitions "$<$<BOOL:$<TARGET_PROPERTY:${library},IS_COMPONENT>>:$<TARGET_PROPERTY:${library},COMPILE_DEFINITIONS>>")
       set_property(TARGET "${target}" APPEND PROPERTY COMPILE_DEFINITIONS "${compile_definitions}")
 
       # Libraries are only linked transitively if they aren't components.