--- evolution-3.24.1/cmake/modules/IconCache.cmake.orig	2017-04-10 10:02:00.000000000 +0200
+++ evolution-3.24.1/cmake/modules/IconCache.cmake	2017-04-25 22:21:16.309917778 +0200
@@ -45,9 +45,6 @@
 			DESTINATION ${_destdir}/icons/${theme}/${size}/${context}
 			RENAME ${iconfile}
 		)
-		set(${_install_codevar} "${${_install_codevar}}
-			COMMAND ${CMAKE_COMMAND} -E copy_if_different \"${CMAKE_CURRENT_SOURCE_DIR}/${srcfile}\" \"${_destdir}/icons/${theme}/${size}/${context}/${iconfile}\""
-		)
 	endforeach(srcfile)
 endmacro(process_icons)
 
@@ -60,7 +57,7 @@
 
 	if(GTK_UPDATE_ICON_CACHE)
 		install(CODE
-			"execute_process(${_install_code}
+			"execute_process(
 				COMMAND ${CMAKE_COMMAND} -E chdir . ${_update_icon_cache_cmd}
 			)")
 	endif(GTK_UPDATE_ICON_CACHE)