A native port for Windows

[sdebionne]

Add a Visual Studio solution to build a native port of UDUnits2 on
Windows. Some POSIX specific routines are ported as well. The test suite
can be run from the test project and gives the following results :

Run Summary: Type Total Ran Passed Failed Inactive
suites 1 1 n/a 0 0
tests 35 35 33 2 0
asserts 833 833 830 3 n/a

A quick look at the 3 failed shows that they are mainly related to
formating of numbers, e.g. 1.2e018 instead of 1.2e18 (mind the extra
zero).
Test config is Win7/64 with msvc 11 (aka 2012)

Build instructions are in the win subdirectory.

The implementation mainly consists in macro testing either _WIN32 or _MSC_VER
whichever is more relevant.

[rsignell-usgs]

@sdebionne, I just discovered this pull request from a year ago, and it looks like exactly what the community needs -- a native Windows port with expat and testing suite included! I'd like to test this out but would like to compile with MS Visual Studio 2008 to ensure compatibility with python 2.7.

Do you have the ability to save your Visual Studio 2012 (VS11) solution as a Visual Studio 2008 solution?

(I tried using the Visual Studio conversion tool at https://vsprojectconverter.codeplex.com/ but it did not work (produced an exception on import of VS11 solution file!).

[rsignell-usgs]

@WardF, do you (or somebody there at Unidata) have Visual Studio 2012?
If so, can you try building this?

[WardF]

I'm afraid we don't. The best we have is Visual Studio 2010. I'm out if the office this morning but will give building it a shot when I get in to the office.

Sent from my iPhone

On Jul 21, 2014, at 9:23 AM, Rich Signell notifications@github.com wrote:

@WardF, do you (or somebody there at Unidata) have Visual Studio 2012?

If so, can you try building this?

—
Reply to this email directly or view it on GitHub.

[rsignell-usgs]

From what I've googled, it sounds like some VS 2012 solutions will build in VS 2010. I'll keep my fingers crossed. 😰

[sdebionne]

Unfortunately I don't have VS2008 anymore. The simpliest option (obviously) could be to upgrade to Visual Studio 2012 while using " Visual Studio 2008 (v90)" as Platfrom Toolset (an option of the solution).
Be aware that the generation of the parsers from the bison files is not included. What I did is to hack the generated files... which is not a permanent solution. I could had a custom build step but that would require to have either bison in the path or to configure it somehow.
Since I posted this PR, Steve has made CMake the default build system. May be it would be best to merge this PR with CMake rather than to maintain a standalone VS solution...

[rsignell-usgs]

Ah, okay. Did you take this approach described by the VAPOR team?
http://sourceforge.net/p/vapor/git/ci/master/tree/lib/udunits2/README.txt
Any differences?

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