Re: GHC 6.8.1 on Mac OS X 10.5 (Leopard)

If you want to get the path to the main executable on Mac OS X, use _NSGetExecutablePath. See: man 3 dyld Deborah On Nov 19, 2007, at 4:07 AM, Christian Maeder wrote:

An additional sanity check of "topdir" makes sense then.

Christian

Alfonso Acosta wrote:

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Simon, as usual, is right. It's been quite a while since I last seriously coded in C. From the exec* man page:

"The first argument, *by convention*, should point to the file name associated with the file being executed."

However, if nothing better is found I guess it's better to rely on an extended convention rather than hardcoding paths.

On Nov 19, 2007 11:40 AM, Simon Marlow wrote:

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Christian Maeder wrote:

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Alfonso Acosta wrote:

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Well, you can always combine the first argument of the script ($0) for absolute paths and combine it with with pwd for relative ones. I meant _use_ the first argument of the script ($0) for absolute

On Nov 19, 2007 10:51 AM, Alfonso Acosta wrote: paths and combine it with pwd for relative ones. #!/bin/sh reldir=`dirname $0` topdir=`(cd $reldir; pwd)` There's no guarantee that $0 holds anything reasonable: you can set $0 to whatever you like when calling exec*().

Cheers, Simon

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