[OE-core] [PATCH 0/1] Add PREFIX and EXEC_PREFIX to gccrelocprefix section

[Khem Raj]

thanks the patch in general looks ok. I will give it a try this week as well.

On Mon, Nov 18, 2019 at 9:34 AM Mark Hatle
<mark.hatle at kernel.crashing.org> wrote:
>
>
>
> On 11/18/19 11:17 AM, Mark Hatle wrote:
> > I have an unusual use-case that requires me to move the location of gcc.
> > As part of this, I noticed that the built-in include paths were not being
> > runtime relocated, while other paths were.  It turns out this was becaue
> > PREFIX/EXEC_PREFIX were being used as defined at build time, but the other
> > prefixes were being used as relocated at SDK install time.
> >
> > The patch set corrects this and adds PREFIX/EXEC_PREFIX to the list.  There
> > is no test case for this, as I'm not sure how we could ever test this with
> > the standard OE SDKs.
> >
> > The way I tested this code change was:
> >
> > bitbake meta-toolchain
> >
> > install the SDK
> >
> > wrap all of the executables in the HOST sysroot with:
> >
> > exec <LDSO> --library-path <LIBPATH>:<LIBBASEPATH> <executable> $@
> >
> > mv the 'installed' version else where and then build a simple hellow world
> > application.
> >
> > Doing this before the change resulted in 'unable to find <stddef.h>', after
> > the change it works as expected.  Use the '-v' to inspect what it was doing
> > it was clear that runtime relocation was NOT relocating the system include
> > paths before the change.
>
> Forgot to mention, I also tested this using the regular approach of sourcing the
> environment file, and compiling using $CC.  :)
>
> --Mark
>
> > Mark Hatle (1):
> >   gcc-9.2: Update the relocation patch to add PREFIX/EXEC_PREFIX
> >
> >  ...le-sysroot-support-for-nativesdk-gcc.patch | 185 +++++++++++++++---
> >  1 file changed, 159 insertions(+), 26 deletions(-)
> >
> --
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