When using the builtin build, is there some way to have a flag that
the user can explicitly enable on the command line that defaults to
disabled if not specified?
The command would look something like this if the user explicitly
enabled the flag:
luarocks SOME_FLAG=1 install foobar
And in the C code I'd have something like this:
#if SOME_FLAG
doFoo();
#else
doBar();
#endif
I know we can specify defines in the rockspec build.defines table and
use $(SOME_VAR) to get a command-line variable's value, but I can't
quite figure out how to have the flag default to disabled if the user
doesn't specify it.
Is this possible?
Thanks,
Choonster
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