[OE-core] [PATCH 3/3] tclibc-musl: Add -D__USE_TIME_BITS64 to c/c++ flags

Khem Raj raj.khem at gmail.com
Mon Jan 6 17:32:35 UTC 2020


On Mon, Jan 6, 2020 at 9:08 AM André Draszik <git at andred.net> wrote:
>
> On Thu, 2020-01-02 at 23:21 -0800, Khem Raj wrote:
> > This is needed for 64bit time_t support on 32bit architectures
> > see [1]
> >
> > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=152194fe9c3f
>
> As per the above, __USE_TIME_BITS64 is a glibc-internal macro, to be defined (by glibc),
> when the application requestion 64 bit time_t via #define _TIME_BITS 64
>
> Is the behaviour different on musl? Should this patch instead set _TIME_BITS?
>
For musl we wont need it since it is now the default.
this has now been defined in musl itself lately [1], so we don't need
to add this define externally anymore This was not the case when the
patchset was done.

I will test out a patch to remove it with latest musl and see if it
all works ok.

[1] https://git.musl-libc.org/cgit/musl/commit/?id=f12bd8e05c8bb2c3e2b91d635887ec424ef8fbd9

> Cheers,
> Andre'
>
>
> >
> > Signed-off-by: Khem Raj <raj.khem at gmail.com>
> > ---
> >  meta/conf/distro/include/tclibc-musl.inc | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/meta/conf/distro/include/tclibc-musl.inc b/meta/conf/distro/include/tclibc-musl.inc
> > index 8badbbb40a..22f8214ba3 100644
> > --- a/meta/conf/distro/include/tclibc-musl.inc
> > +++ b/meta/conf/distro/include/tclibc-musl.inc
> > @@ -18,6 +18,7 @@ DISTRO_FEATURES_BACKFILL_CONSIDERED += "ldconfig"
> >  #USE_NLS ?= "no"
> >
> >  CXXFLAGS += "-fvisibility-inlines-hidden"
> > +TARGET_CC_ARCH += "-D__USE_TIME_BITS64"
> >
> >  IMAGE_LINGUAS = ""
> >
> > --
> > 2.24.1
> >
>
> --
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core


More information about the Openembedded-core mailing list