References: https://github.com/csound/csound/issues/985
https://bugzilla.opensuse.org/show_bug.cgi?id=45347

Index: csound-6.18.1/util1/CMakeLists.txt
===================================================================
--- csound-6.18.1.orig/util1/CMakeLists.txt
+++ csound-6.18.1/util1/CMakeLists.txt
@@ -1,7 +1,7 @@
 #extra utilities
 
 make_utility(scsort      sortex/smain.c)
-make_utility(extract     sortex/xmain.c)
+make_utility(csound-extract     sortex/xmain.c)
 
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG OR MSVC)
     make_utility(cs         csd_util/cs.c)