--- releases-CGAL-4.7/cmake/modules/CGAL_SetupFlags.cmake.orig	2015-10-20 09:06:23.000000000 +0200
+++ releases-CGAL-4.7/cmake/modules/CGAL_SetupFlags.cmake	2021-08-10 13:26:55.346479677 +0200
@@ -61,10 +61,6 @@
   add_definitions(-DCGAL_TEST_SUITE)
 endif()
 
-if ( NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Release" AND NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Debug" )
-  message( FATAL_ERROR "${CMAKE_BUILD_TYPE} is not a valid build type: only Release or Debug is allowed" )
-endif()
-
 message( STATUS "Build type: ${CMAKE_BUILD_TYPE}" )
 
 string( TOUPPER "${CMAKE_BUILD_TYPE}" CGAL_BUILD_TYPE_UPPER )