[Nexus] More NAPI stuff

[Peterson, Peter F.]

After some searching I found a way to find hdf4 on my system.

What do people think of moving the minimum cmake version to 2.8.12? This
would give a lot more functionality to cmake.

On 8/17/15, 10:23 AM, "NeXus on behalf of Tobias Richter"
<nexus-bounces at nexusformat.org on behalf of Tobias.Richter at esss.se> wrote:

>
>> On 17 Aug 2015, at 15:42, Koennecke Mark (PSI) <mark.koennecke at psi.ch>
>>wrote:
>>> I have already recognized this WITH_XXX stuff. There is a bit chaos
>>> concerning the configuration headers. Sometimes the code uses
>>>nxconfig.h
>>> and on other places napiconfig.h. I'am not really sure if this has
>>> historical reasons or if this is done intentionally.
>>> In the former case I would suggest to clean this up and go for a single
>>> configuration header.
>>> 
>> 
>> I think that this is historical. I never dealt with those config.h
>>files, they came with whatever
>> build system we are using. I think cleaning this up is the right
>>solution. Or do you object, Freddie?
>
>Well, apparently nxconfig.h is generated from scratch by autotools and
>napiconfig.h includes nxconfig.h plus stdint and inttypes, if available
>as determined by the nxconfig.h defines. (It also does some VMS and
>Windows magic that I am not interested in.) But napiconfig.h is the
>fronted file to look at.
>
>That looks like a reasonable thing to do in the autotools world. I cannot
>see nxconfig.h included directly anywhere, but is (correctly) mentioned
>in Makefiles as a dependency.
>
>If there is a way to combine those files (napiconfig.h and nxconfig.h)
>with cmake, that obviously makes things simpler, though. Go for it.
>
>Tobias
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