From f58f553e9804fa9422de79f5e1607d8e366de7be Mon Sep 17 00:00:00 2001
From: Sumedha Widyadharma <s-fairphone@wdya.de>
Date: Sun, 23 Oct 2016 15:56:18 +0200
Subject: Set build_interface directories for integrated builds

This makes it very easy to integrate entityx into a build.
I.e:
add_subdirectories(3rdparty/entityx)
target_link_libraries(my_target entityx[_shared])

This makes #include entityx/entityx.h just work.
---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 116b137..ba38a87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -143,11 +143,15 @@ if (ENTITYX_BUILD_SHARED)
         VERSION ${ENTITYX_VERSION}
         SOVERSION ${ENTITYX_MAJOR_VERSION}
         FOLDER entityx)
-	set(install_libs entityx_shared)
+    set(install_libs entityx_shared)
+    set_property(TARGET entityx_shared APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES
+          $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
 else()
     add_library(entityx STATIC ${sources})
     set_target_properties(entityx PROPERTIES DEBUG_POSTFIX -d FOLDER entityx)
     set(install_libs entityx)
+    set_property(TARGET entityx APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES
+          $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
 endif (ENTITYX_BUILD_SHARED)
 
 if (ENTITYX_BUILD_TESTING)
-- 
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