[Buildroot] [PATCH v2] libarchive: fix build error when linking with lzma

[Thomas Petazzoni]

Hello,

On Thu, 21 Jul 2016 11:10:26 -0300, Sergio Prado wrote:
> Build fails when linking with liblzma compiled without threads support.
> 
> ./.libs/libarchive.so: undefined reference to `lzma_cputhreads'
> ./.libs/libarchive.so: undefined reference to `lzma_stream_encoder_mt'
> 
> So let's enable LZMA only when toolchain has threads support.
> 
> Fixes:
> http://autobuild.buildroot.org/results/2cb7f8a056982d0b894d0e2531ef357e74c8b796
> http://autobuild.buildroot.org/results/d12954fbd460d396f255158fa127f39ff9d2be8d
> http://autobuild.buildroot.org/results/abe10c70f38423a212ab27d7d27e22174eaa5aab
> Many more...
> 
> Signed-off-by: Sergio Prado <sergio.prado at e-labworks.com>
> 
> ---
> Changes v1 -> v2:
>   - removing extra comma from evaluation
> ---
>  package/libarchive/libarchive.mk | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com