diff --git a/cmake/modules/SanitizeHelper.cmake b/cmake/modules/SanitizeHelper.cmake
--- a/cmake/modules/SanitizeHelper.cmake
+++ b/cmake/modules/SanitizeHelper.cmake
@@ -30,3 +30,11 @@
 	# `ISO C99 requires whitespace after the macro name [-Wc99-extensions]`
 	_sanitize("([^a-zA-Z0-9_])" "_" "${PREFIX}${RAW_VAR}" ${SANITIZED_VAR})
 endmacro()
+
+# Sanitize a variable intended to be used as a cmake target name.
+macro(sanitize_target_name PREFIX RAW_VAR SANITIZED_VAR)
+	# Only allow for alphanum chars plus underscore. This will prevent the
+	# compiler to issue a warning like:
+	# `ISO C99 requires whitespace after the macro name [-Wc99-extensions]`
+	_sanitize("([^a-zA-Z0-9_])" "_" "${PREFIX}${RAW_VAR}" ${SANITIZED_VAR})
+endmacro()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -25,14 +25,18 @@
 ###
 # Setup symlinks for testing
 ###
-macro(make_link src dest)
+include(SanitizeHelper)
+function(make_link src dest)
 	add_custom_command(
 		OUTPUT "${dest}"
 		COMMAND ${CMAKE_COMMAND} -E create_symlink "${src}" "${dest}"
 		COMMENT "make_link ${src} -> ${dest}"
 		MAIN_DEPENDENCY "${src}"
 	)
-endmacro()
+	# Add a phony target to make sure the files are linked by default.
+	sanitize_target_name("link-" "${dest}" NAME)
+	add_custom_target(${NAME} ALL DEPENDS "${dest}")
+endfunction()
 
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/functional/)
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/util/)