cmake build dir fix

CMakeLists.txt

@@ -322,7 +322,7 @@ configure_package_config_file(
 	cmake/BeyondProtocolConfig.cmake.in
 	"${CMAKE_CURRENT_BINARY_DIR}/BeyondProtocolConfig.cmake"
 	INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/BeyondProtocol"
-	PATH_VARS INCLUDE_INSTALL_DIR
+	PATH_VARS INCLUDE_INSTALL_DIR CMAKE_CURRENT_SOURCE_DIR
 )
 
 write_basic_package_version_file(

cmake/BeyondProtocolConfig.cmake.in

@@ -25,4 +25,10 @@ endif()
 
 check_required_components(BeyondProtocol)
 
+if (NOT EXISTS @PACKAGE_INCLUDE_INSTALL_DIR@ AND EXISTS @PACKAGE_CMAKE_CURRENT_SOURCE_DIR@/include)
+	# Workaround when using build directory instead of install directory
+	set_and_check(PROTOCOL_INCLUDE_DIRS @PACKAGE_CMAKE_CURRENT_SOURCE_DIR@/include)
+else()
+	# Default: use install (package) includes if they exist
 	set_and_check(PROTOCOL_INCLUDE_DIRS @PACKAGE_INCLUDE_INSTALL_DIR@)
+endif()