--- ettercap-0.8.3/CMakeLists.txt.orig	2019-06-28 01:19:16.000000000 +0200
+++ ettercap-0.8.3/CMakeLists.txt	2020-05-23 18:12:37.619999020 +0200
@@ -29,11 +29,6 @@
   set(CMAKE_BUILD_TYPE "Release" CACHE STRING
     "Choose the type of build, options are: ${VALID_BUILD_TYPES}." FORCE)
 endif()
-list(FIND VALID_BUILD_TYPES ${CMAKE_BUILD_TYPE} contains_valid)
-if(contains_valid EQUAL -1)
-  message(FATAL_ERROR "Unknown CMAKE_BUILD_TYPE: '${CMAKE_BUILD_TYPE}'. Valid options are: ${VALID_BUILD_TYPES}")
-endif()
-unset(contains_valid)
 
 include(CMakeDependentOption)