append to CMAKE_MODULE_PATH

Don't override any -DCMAKE_MODULE_PATH= passed from CLI
to eg. test custom Platform/ support.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55896919a29ea57bcf9b4123c66f621a601587f4..9c4380330ca4489155d5e065954a9e620765142b 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ set(EVENT__LIBRARY_TYPE DEFAULT CACHE STRING
 
 project(libevent C)
 
-set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
+list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
 string(REGEX MATCH "SunOS" SOLARIS "${CMAKE_SYSTEM_NAME}")