[LLVMdev] libLTO on Mac OS X

[Dan Villiom Podlaski Christiansen]

On 12 Nov 2009, at 20:51, Chris Lattner wrote:

> Yes, it looks relative to itself to find it.  If you link with / 
> Developer/usr/bin/ld, it uses /Developer/usr/lib/libLTO.dylib.

Alternatively, you could set the ‘DYLD_LIBRARY_PATH’ environment variable. The paths specified by it are searched *before* the both the path specified in the binary as well as the system fallback path. I often use it myself for newer versions of LLVM; the only caveat is that it won't work for e.g. ‘nm’, ‘ar’ and so on. Unlike ‘ld’ they load the library at runtime using a hardcoded path.

For example:
  DYLD_LIBRARY_PATH=/opt/llvm/lib make -j2

Hope that helps,

--

Dan Villiom Podlaski Christiansen
danchr at gmail.com

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