Re: [igraph] Re: problem with igraph on cygwin

[ketan bhardwaj]

I think that this problem is solved but i am facing another peculiar issue which i think is not related to igraphs or cygwin i.e. 
during the make my cygwin shell says that :

C:/cygwin/bin/sh.exe : could not allocate heap WIN32 error 487 <some addresses>

if somebody has faced a similar problem ... Please share the work around.

thanks

KBj

On Wed, May 27, 2009 at 2:10 AM, Tamas Nepusz <address@hidden> wrote:

yes there is this package available for cygwin.
Could you just let me know what exactly made you converge to this point,
thanks.

In a nutshell: the problem was caused by bliss_bignum.h which effectively contains two versions of a "big number" class (a class that is able to store arbitrarily large numbers). When you compile igraph with GMP support, the "big number" class is effectively a wrapper around GMP. However, when you disable GMP support, the class is implemented using various GNU functions (like fabsl) which seem to be missing under Cygwin. That's why you've seen an error.

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Tamas

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