[Buildroot] [PATCH] libedit: fix build error with musl toolchain
Sergio Prado
sergio.prado at e-labworks.com
Tue Jan 19 09:53:12 UTC 2016
2016-01-18 20:04 GMT-02:00 Peter Korsgaard <peter at korsgaard.com>:
>
> >>>>> "Sergio" == Sergio Prado <sergio.prado at e-labworks.com> writes:
>
> > Libedit build fails when __STDC_ISO_10646__ is not defined, and that is
> > the case when compiling with musl toolchains.
>
> > chartype.h:52:3: error: #error wchar_t must store ISO 10646 characters
> > #error wchar_t must store ISO 10646 characters
> > ^
>
> > Musl is ISO 10646 compliant but doesn't define __STDC_ISO_10646__, so
> > let's define it manually.
>
> > Fixes:
> >
http://autobuild.buildroot.net/results/3d12a7e6423d236c9d528bca7cbcf86b1499d738/
> >
http://autobuild.buildroot.net/results/b92f7e2b86ffa575d8a8a0b91fbdd9bcb0f231de/
> >
http://autobuild.buildroot.net/results/c476a48936f8810117bb292fb0d8a43c09068de6/
> >
http://autobuild.buildroot.net/results/a30bb1423cc92137a2deaec0a32c7df947384d49/
>
> > Signed-off-by: Sergio Prado <sergio.prado at e-labworks.com>
> > ---
> > package/libedit/libedit.mk | 6 ++++++
> > 1 file changed, 6 insertions(+)
>
> > diff --git a/package/libedit/libedit.mk b/package/libedit/libedit.mk
> > index 87a1cdc136d6..e7ddd1fcb562 100644
> > --- a/package/libedit/libedit.mk
> > +++ b/package/libedit/libedit.mk
> > @@ -23,6 +23,12 @@ LIBEDIT_POST_EXTRACT_HOOKS += LIBEDIT_FIXUP_M4_DIR
> > # Doesn't really support !wchar, but support is disabled otherwise
> > LIBEDIT_CONF_OPTS += --enable-widec
>
> > +# musl is ISO 10646 compliant but doesn't define __STDC_ISO_10646__,
> > +# so let's define it manually
> > +ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
> > +LIBEDIT_CONF_OPTS += CFLAGS="$(TARGET_CFLAGS)
-D__STDC_ISO_10646__=201103L"
> > +endif
>
> Committed, thanks. Out of interest, why did you exactly select 201103?
For no specific reason. I have just selected the same value used by glibc.
>
> --
> Bye, Peter Korsgaard
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