[OE-core] [PATCH 1/2] insane.bbclass: Fix RPATH warning in the face of funny path strings

[Richard Purdie]

On Fri, 2012-08-17 at 08:53 -0700, Andy Ross wrote:
> In toolchain edge cases it's possible for the RPATH of a library to be
> set to something like "/usr/lib/../lib".  This should be detected as
> "/usr/lib" and generate a warning.
> 
> Signed-off-by: Andy Ross <andy.ross at windriver.com>
> ---
>  meta/classes/insane.bbclass | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/classes/insane.bbclass b/meta/classes/insane.bbclass
> index 556a176..b84a89f 100644
> --- a/meta/classes/insane.bbclass
> +++ b/meta/classes/insane.bbclass
> @@ -161,6 +161,10 @@ def package_qa_check_rpath(file,name, d, elf, messages):
>              if dir in line:
>                  messages.append("package %s contains bad RPATH %s in file %s" % (name, line, file))
>  
> +def rpath_eq(a, b):
> +    import os.path

You don't need that import, os is always assumed to be present for our
code since it gets used so often. I'd suggest defining this within the 
package_qa_check_useless_rpaths() function too since its slightly less
effort for the parser.

Cheers,

Richard

> +    return os.path.normpath(a) == os.path.normpath(b)
> +
>  QAPATHTEST[useless-rpaths] = "package_qa_check_useless_rpaths"
>  def package_qa_check_useless_rpaths(file, name, d, elf, messages):
>      """
> @@ -181,7 +185,7 @@ def package_qa_check_useless_rpaths(file, name, d, elf, messages):
>      	m = rpath_re.match(line)
>  	if m:
>  	   rpath = m.group(1)
> -	   if rpath == libdir or rpath == base_libdir:
> +	   if rpath_eq(rpath, libdir) or rpath_eq(rpath, base_libdir):
>  	      # The dynamic linker searches both these places anyway.  There is no point in
>  	      # looking there again.
>  	      messages.append("%s: %s contains probably-redundant RPATH %s" % (name, package_qa_clean_path(file, d), rpath))