Hi,
I've been wondering about something that is a real stumbling block in a
build/distribution system like MacPorts where settings can be modified in any
number of consecutive steps. For instance, depending on what dependencies a
package ("port") requires and how those dependencies are installed, elements
may
be added to the module search path repeatedly.
In cmake language one does cumulative operations like that explicitly, but I'm
not aware of any way to do that on the command line.
Is there a reason why one cannot do something like
cmake -DCMAKE_FOO+=bar
or
CMAKE -ACMAKE_FOO=bar (-A for add instead of define)
(or -DCMAKE_FOO-=bar, for that matter...) ?
Thanks,
René
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