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Re: [igraph] Building igraph 0.6 rev 1601 with msvc9

From: Chris Wj
Subject: Re: [igraph] Building igraph 0.6 rev 1601 with msvc9
Date: Sat, 1 Aug 2009 21:20:25 -0400

>From http://msdn.microsoft.com/en-us/library/z8y1yy88(VS.80).aspx

The inline keyword is available only in C++. The __inline and __forceinline keywords are available in both C and C++. For compatibility with previous versions, _inline is a synonym for __inline.

That's the C++ documentation. They don't even mention __inline in the C documentation part.

On Sat, Aug 1, 2009 at 9:12 PM, Chris Wj <address@hidden> wrote:
Thanks for the updates Tamas, they will help out. There were a few other files missing from the msvc project that I added. They were relatively easy to pick out through trial and error though. I'll post/upload the project file when I have the last unresolved symbol figured out.

Yeah, while inline is a C99 standard keyword it seems like in MSVC only C++ recognizes inline, but C recognizes __inline. After a quick web search, it looks like many others had this issue too. They basically did the same thing you did to redefine inline to __inline. I'd still like to know why!

On Sat, Aug 1, 2009 at 4:11 PM, Tamas Nepusz <address@hidden> wrote:
Hi guys. I just built igraph 0.6 from bzr rev 1601 on Windows with msvc9 (VS 2008). I had to make changes in 2 files:
Fixed as well -- added M_SQRT2 to igraph_math.h and included it from src/centrality.c. I'm not sure about the inline stuff -- I thought that inline is a valid C keyword, but it looks like we have to live with a compiler-related hack here. Something like:

#if defined(_MSC_VER)
#  define inline __inline

I added the above code snippet to src/heap.c, hope this helps.


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