[oe] [RFC] Remove gcc configure option --enable-target-optspace for powerpc

Frans Meulenbroeks fransmeulenbroeks at gmail.com
Mon Jan 25 08:15:12 UTC 2010


2010/1/25 Khem Raj <raj.khem at gmail.com>:
> Hi
>
> I have run into a problem where compiling libgcc with -Os for powerpc SPE
> targets caused some symols like _restgpr_Y_x to be referenced in
> libgcc_s.so.1 due to gcc generating them for out-of-line prologues which
> happens with Os. But these symbols are defined in libgcc.a so when linking
> a shared library which uses libgcc we get errors from linker complaining
> that DSO is accessing a hidden symbol from libgcc.a which is a static
> archive.
>
> I thought we could remove --enable-target-optspace. In general it is only
> used to compiling the gcc libraries e.g. libgcc libstdc++ etc. in OE
> context so its not of a much hit on space usage if we let this option go
> which would mean that these libraries would be compiled with -O2
>
> I propose to remove this option for all powerpc and we can still leave it
> in for other architectures.
>
> Does this sound reasonable ?

What about just removing the option when building libgcc for ppc ?

Frans




More information about the Openembedded-devel mailing list