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SubjectRe: [PATCH] perf tools: allow cross compiling with DWARF support
On Fri, Jun 25, 2010 at 08:16:55PM +0900, Masami Hiramatsu wrote:
> Jamie Iles wrote:
> > The path to elfutils was previously hardcoded as /usr/include/elfutils
> > which does not work with cross compilers. If CROSS_COMPILE is set, try
> > to set an include path from GCC's sysroot if GCC was built with sysroot
> > support, if sysroot support isn't enabled, don't specify a path for
> > elfutils allowing the user to set it with EXTRA_CFLAGS.
> Hmm, I'm not so sure about cross compiling. I just thought
> if there is no sysroot support, we should warn user instead of
> just failing to find elfutils.
Is that something that you really need to warn the user about? If they have a
compiler without sysroot support they can still cross compile using
EXTRA_CFLAGS and the warning would be needless. There isn't a real requirement
for sysroot here, just a path to the elfutils headers.


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