Ubuntu:16.04 PowerPC platform, libunwind shared library .so file not generated

[sunil1783]

Followed the below steps :
git clone https://github.com/cloudera/native-toolchain.git ~/native-toolchain
cd ~/native-toolchain
mkdir ccache
./buildall.sh

libunwind build is successful, But it does not generate the 'libunwind.so' file.

impdev@ebfd4dac5024:~/native-toolchain/build/libunwind-1.3-rc1-p3/lib64$ ls
libunwind-generic.a libunwind-ppc64.la libunwind-ptrace.la libunwind-setjmp.la libunwind.la
libunwind-ppc64.a libunwind-ptrace.a libunwind-setjmp.a libunwind.a pkgconfig

When using the native-toolchain libraries to build impala , it gives following error
$IMPALA_HOME/buildall.sh

CMake Error at CMakeLists.txt:154 (message):
Library 'libunwind' has neither shared nor static library files
Call Stack (most recent call first):
CMakeLists.txt:373 (IMPALA_ADD_THIRDPARTY_LIB)

impdev@ebfd4dac5024:~/$ uname -a
Linux ebfd4dac5024 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:05:18 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux

[timarmstrong]

Patches are welcome. Some people tried in the past to add powerpc support but it wasn't maintained.