Has anyone compiled PCRE for Windows x64 - if so, how?

Question

I'm trying to compile PCRE (v8.02) for Windows x64, using Vs2008.

The "NON-UNIX-USE" file tells me to use cmake to generate a .sln fle.
That works.

When I run the build it succeeds, with 91 warnings.

All appear to be size conversion warnings.

Am I doing something wrong?
Should I expect all these warnings?
Has anyone else built PCRE for Windows x64, successfully, and without warnings?

Answer 1

The way Windows 64-bit data model works, compiling 32-bit code as 64-bit often works fine. Even though there is obviously no guarantee in the standard that long and int are the same size, LLP64 preserves this. In fact, they are the same size as in ILP32. The only thing that's no longer safe is trying to store a pointer in a int.

So the warnings probably don't mean there's a real problem.

Answer 2

I contacted the maintainer of PCRE; apparently the warnings are expected. He's never built it on Windows, let alone Windows on x64.

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EDIT - As of 1 June 2010, he's changed the latest version of PCRE, available at svn://vcs.exim.org/pcre/code/trunk , to eliminate warnings on Windows/x64.

Check it out with:

svn co svn://vcs.exim.org/pcre/code/trunk pcre