Fix cmake files so client projects can link to the interface target.

This way they can link to vwr::vectorwrapper to have the
correct include path added.

CMakeLists.txt

@@ -22,8 +22,10 @@ write_basic_package_version_file(
 )
 
 add_library(${PROJECT_NAME} INTERFACE)
+add_library(vwr::vectorwrapper ALIAS vectorwrapper)
 target_include_directories(${PROJECT_NAME}
 	INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
+	INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
 )
 
 install(DIRECTORY include/vectorwrapper

test/CMakeLists.txt

@@ -21,9 +21,5 @@ add_definitions(
 	-Wconversion
 )
 
-include_directories(
-	${CMAKE_CURRENT_SOURCE_DIR}/../include
-	${CMAKE_CURRENT_BINARY_DIR}/../include
-)
 add_subdirectory(unit)
 add_subdirectory(unit_noconv)

test/unit/CMakeLists.txt

@@ -14,6 +14,7 @@ add_executable(${PROJECT_NAME}
 
 target_link_libraries(${PROJECT_NAME}
 	gtest
+	vwr::vectorwrapper
 )
 
 target_compile_definitions(${PROJECT_NAME}

test/unit_noconv/CMakeLists.txt

@@ -12,6 +12,7 @@ add_executable(${PROJECT_NAME}
 
 target_link_libraries(${PROJECT_NAME}
 	gtest
+	vwr::vectorwrapper
 )
 
 set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD_REQUIRED ON)