If I understand correctly all modules included via include/find_package have
implicit POLICY PUSH and POP at the EOF. Wouldn't it be reasonable to require
all internal .cmake files to begin with:
cmake_policy(VERSION 3.1) # or whatever version the module was tested
against
Then before next release all of these should be checked against new policies
and upgraded to:
cmake_policy(VERSION 3.2) # next release version
Then we can safely drop all these fancy if("x${var}" STREQUAL "xVALUE") in
favor of if(var STREQUAL "VALUE") and improve scripts readability, rather that
do PUSHes and POPs in various places. Of course I am aware that such task needs
lot of work, however I think this should be consequence of introducing CMP0054.
--Adam
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