diff -uNr libdigidoc-3.6.0.0/cmake/modules/GNUInstallDirs.cmake libdigidoc-3.6.0.0p/cmake/modules/GNUInstallDirs.cmake
--- libdigidoc-3.6.0.0/cmake/modules/GNUInstallDirs.cmake	2012-07-02 08:57:22.000000000 +0300
+++ libdigidoc-3.6.0.0p/cmake/modules/GNUInstallDirs.cmake	2012-09-18 21:30:24.422383445 +0300
@@ -57,7 +57,7 @@
 endif()
 
 if(NOT DEFINED CMAKE_INSTALL_SYSCONFDIR)
-  set(CMAKE_INSTALL_SYSCONFDIR "etc" CACHE PATH "read-only single-machine data (etc)")
+  set(CMAKE_INSTALL_SYSCONFDIR ${SYSCONF_INSTALL_DIR} CACHE PATH "read-only single-machine data (etc)")
 endif()
 
 if(NOT DEFINED CMAKE_INSTALL_SHAREDSTATEDIR)