From 84aaf72bf68c36128e6bb47824d7aa3bca5866f0 Mon Sep 17 00:00:00 2001
From: Thibault Lescoat <thibault.lescoat@telecom-paristech.fr>
Date: Wed, 8 Mar 2017 19:24:16 +0100
Subject: [PATCH] Mark non-build items as header in case of unity build

---
 cmake/bx.cmake | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/cmake/bx.cmake b/cmake/bx.cmake
index c4da0e2..faf1399 100644
--- a/cmake/bx.cmake
+++ b/cmake/bx.cmake
@@ -15,11 +15,15 @@ if( NOT IS_DIRECTORY ${BX_DIR} )
 endif()
 
 # Grab the bx source files
+file( GLOB BX_SOURCES ${BX_DIR}/src/*.cpp )
 if(BX_AMALGAMATED)
-	set(BX_SOURCES ${BX_DIR}/src/amalgamated.cpp)
+	set(BX_NOBUILD ${BX_SOURCES})
+	list(REMOVE_ITEM BX_NOBUILD ${BX_DIR}/src/amalgamated.cpp)
+	foreach(BX_SRC ${BX_NOBUILD})
+		set_source_files_properties( ${BX_SRC} PROPERTIES HEADER_FILE_ONLY ON )
+	endforeach()
 else()
-	file( GLOB BX_SOURCES ${BX_DIR}/src/*.cpp )
-	list(REMOVE_ITEM ${BX_DIR}/src/amalgamated.cpp)
+	set_source_files_properties( ${BX_DIR}/src/amalgamated.cpp PROPERTIES HEADER_FILE_ONLY ON )
 endif()
 
 # Create the bx target