[OE-core] [PATCH] gcc-configure: Enable the use of different symbol versioning

[Alejandro Enedino Hernandez Samaniego]

Hey Khem,

On Sun, Jan 19, 2020, 4:22 PM Khem Raj <raj.khem at gmail.com> wrote:

> On Sat, Jan 18, 2020 at 7:02 PM Alejandro Enedino Hernandez Samaniego
> <alejandro at enedino.org> wrote:
> >
> > While the gnu style for symbol versioning is the most usual,
> > --enable-symvers[=style] can be provided several values,
> > gnu, gnu-versioned-namespace, darwin, darwin-export, and sun,
> > depending on users needs.
> >
> > Introduce the SYMVERS_CONF variable to allow the user to
> > configure the symbol versioning in shared libraries.
> >
> > Signed-off-by: Alejandro Enedino Hernandez Samaniego <
> alejandro at enedino.org>
> > ---
> >  meta/recipes-devtools/gcc/gcc-configure-common.inc | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/meta/recipes-devtools/gcc/gcc-configure-common.inc
> b/meta/recipes-devtools/gcc/gcc-configure-common.inc
> > index 24ba8ce..bb4f692 100644
> > --- a/meta/recipes-devtools/gcc/gcc-configure-common.inc
> > +++ b/meta/recipes-devtools/gcc/gcc-configure-common.inc
> > @@ -17,6 +17,8 @@ GCCTHREADS ?= "posix"
> >
> >  GCCPIE ??= ""
> >
> > +SYMVERS_CONF ?= "--enable-symvers=gnu"
> > +
>
> just turn the RHS into variable not full option
>

I did think about that, and I can do it, but I think I would have to also
create a PACKAGECONFIG and since AFAIC no one is changing the style I'm not
sure it's worth the complication of the code, and this still allows us to
remove the enablement entirely, not just changing the style.

Alejandro


> >  EXTRA_OECONF = "\
> >      ${@['--enable-clocale=generic', ''][d.getVar('USE_NLS') != 'no']} \
> >      --with-gnu-ld \
> > @@ -27,7 +29,7 @@ EXTRA_OECONF = "\
> >      ${GCCPIE} \
> >      --enable-c99 \
> >      --enable-long-long \
> > -    --enable-symvers=gnu \
> > +    ${SYMVERS_CONF} \
> >      --enable-libstdcxx-pch \
> >      --program-prefix=${TARGET_PREFIX} \
> >      --without-local-prefix \
> > --
> > 2.7.4
> >
> > --
> > _______________________________________________
> > Openembedded-core mailing list
> > Openembedded-core at lists.openembedded.org
> > http://lists.openembedded.org/mailman/listinfo/openembedded-core
>
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