CMake: make the project compatible with building as a subproject

[libftdi] / test / CMakeLists.txt

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 392c910..c44c614 100644 (file)
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -2,7 +2,7 @@ find_package(Boost COMPONENTS unit_test_framework REQUIRED)
 
 enable_testing()
 
-INCLUDE_DIRECTORIES(BEFORE ${CMAKE_SOURCE_DIR}/src ${Boost_INCLUDE_DIRS})
+INCLUDE_DIRECTORIES(BEFORE ${PROJECT_SOURCE_DIR}/src ${Boost_INCLUDE_DIRS})
 
 set(cpp_tests basic.cpp baudrate.cpp)