only install config not exists

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 302742961096c5f054b9cb2bd4423d42bfd9bcb5..c3314e1ba36f7d3ae987e5acc3560c64cedcd56b 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -51,8 +51,10 @@ target_link_libraries("sane-kds_s2000w_net"
 install(TARGETS "sane-kds_s2000w_net"
        DESTINATION ${CMAKE_LIBRARY_PATH}/sane)
 
-install(FILES "kds_s2000w_net.conf"
-       DESTINATION ${CONFIG_INSTALL_PATH})
+if(NOT EXISTS ${CONFIG_FILE})
+       install(FILES "kds_s2000w_net.conf"
+               DESTINATION ${CONFIG_INSTALL_PATH})
+endif()
 
 set(CPACK_GENERATOR "DEB")
 set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})