On 02/15/13 07:35 PM, Ian Lynagh wrote:
On Fri, Feb 15, 2013 at 07:21:54PM +0100, Karel Gardas wrote:
On 02/15/13 07:03 PM, Ian Lynagh wrote:
+        $1=`${FindCmd} ${GOOD_PATH} -type f -perm +111 -maxdepth 1 -regex 
'.*/$3-[[0-9]]\.[[0-9]]' | ${SortCmd} -n | tail -1`

This feels rather unpleasant to me. Is it likely that someone will have
programs called llc-3.0 etc, but no llc?

Yes, Ubuntu 12.04 LTS installs LLVM 3.0 package in a way that, the
package binaries are installed into /usr/lib/llvm-3.0 directory and
inside /usr/bin there are llc-3.0 and opt-3.0 links created linking
to ../lib/llvm-3.0/bin/{llc|opt}.

So David is fixing real-world issue here.

But if you install 'llvm' (rather than 'llvm-3.0') then you get a
/usr/bin/llc


Yes, but in case of ubuntu this is LLVM 2.9 which is pretty useless on ARM. For ARM you need to install LLVM 3.0. Anyway, please read a description of http://hackage.haskell.org/trac/ghc/ticket/7661

Also I don't lobby for this fix, I'm perfectly happy with --with-llc/--with-opt configure options as I've used them up to now... or even for more simpler workaround like export PATH=/usr/lib/llvm-3.0/bin:$PATH

Thanks,
Karel

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