[Buildroot] [PATCH] core/br2-external: properly report unexpected errors

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni@free-electrons.com> writes:

 > Hello,
 > On Sat, 28 Jan 2017 11:41:32 +0100, Yann E. MORIN wrote:
 >> Unextected error in the br2-external script are properly caught, but
 >> they are not reported properly, and we end up in either of two
 >> situations:
 >> 
 >> - the .br2-external.mk file is not generated, in which case make will
 >> try to find a rule to generate it (because the 'include' directive
 >> tries to generate missing files);
 >> 
 >> - the .br-external.mk file is generated but does not contain the error
 >> variable, and thus the build might not get interrupted.
 >> 
 >> We fix that by using a trap on the pseudo ERR signal, to emit the error
 >> variable on unexpected errors.
 >> 
 >> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
 >> ---
 >> support/scripts/br2-external | 3 +++
 >> 1 file changed, 3 insertions(+)

Committed to 2017.02.x, thanks.

-- 
Bye, Peter Korsgaard