I have shared library that I use where in its cmake files, sets a number of CACHE variables
the cmake file does something like
SET( VAR OFF CACHE BOOL “Some boolean variable” )
MESSAGE( STATUS "VAR=${VAR} )
in the project using the shared library, the shared librtary is added via add_subdirectory
If I want to make sure a cache variable is set correctly, I know I can require it from the command line when calling cmake.
However, this is a setup set often forgotten. So I figured I should be able to do the following
SET( VAR ON )
add_directory( subdir )
MESSAGE( STATUS “VAR=${VAR}” )
However, when I run cmake, I get
VAR=OFF
VAR=ON
Clearly Im doing something basic and wrong. The hack workaround I have done, is to
SET( VAR ON CACHE BOOL “Some boolean” )
in both places, but this just seems really wrong