On 2009-04-24 09:16, Alan W. Irwin wrote:
> Hi Vadim:
>
> Thanks for your LIB_TAG bug report which was caused by some of our
> visibility logic assuming LIB_TAG was always "d". I have now fixed that
> bug
> (revision 9843). Please try out that revision to make sure it works for
> you
> (with an additional suffix of "d", see below).
>
> A question for all developers here:
>
> During investigation of the above bug, I was reminded that our present
> build
> system has the following logic in cmake/modules/double.cmake.
>
> if(PL_DOUBLE)
> set(LIB_TAG "${LIB_TAG}d")
> endif(PL_DOUBLE)
>
> PL_DOUBLE defaults to ON (since most people want the double-precision
> version of the PLplot libraries). So what this logic normally does is
> appends the suffix "d" (meaning "double precision") to whatever suffix you
> specify for LIB_TAG as a cmake option.
>
> I would prefer the following logic instead:
>
> if(PL_DOUBLE AND NOT DEFINED LIB_TAG)
> set(LIB_TAG "d")
> endif(PL_DOUBLE AND NOT DEFINED LIB_TAG)
>
> In other words, if somebody specifies a library name suffix on the command
> line including the null string, let us assume they know what they want so
> that is exactly what they get. However, if -DLIB_TAG is not specified at
> all by the user, then the suffix will be "d" for the usual (default)
> PL_DOUBLE case just like it is now.
>
> Does any developer here mind this proposed change to the build-system
> logic?
>
Hi Alan,
I think that is an excellent idea: it makes that feature much clearer
and more useful - it allows for people to develop a set of
configurations (should they need that), besides configurations that are
useful for debugging, also for use with static device drivers and so on.
Regards,
Arjen
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