[adding bug-autoconf]
On 07/13/2012 05:39 AM, Paul Keir wrote:
> Hi,
>
> While running configure on llvm I get a hang on:
>
> ...
> checking for Graphviz... echo Graphviz
> checking for dot...
>
> The configure script has a line starting:
> if { test -f "$as_dir/$ac_word$ac_exec_ext" && ...
>
> The problem occurs when $as_dir is /
>
> test -f //dot
>
> ...also hangs (at least 15 mins.). I tested it on Linux and another
> cygwin machine, and test returns promptly there.This is probably worth fixing in upstream autoconf (although it won't benefit you on cygwin until autoconf 2.70 is released and used by packages), to have autoconf's code that generates a PATH lookup to special case $as_dir of / to avoid creating //. Patches welcome to autoconf, if I don't get it done first. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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