pgxn install madlib UBUNTU 16 LTS not working - postgresql

Question

The command pgxn install madlib get so many errors at UBUNTU 16 LTS (xenial)... There are a bug with MADLib installation for UBUNTU?
INFO: best version: madlib 1.10.0
INFO: saving /tmp/tmpZPEFvN/madlib-1.10.0.zip
INFO: unpacking: /tmp/tmpZPEFvN/madlib-1.10.0.zip
INFO: running configure
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is unknown
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
CMake Error at CMakeLists.txt:14 (project):
The CMAKE_CXX_COMPILER:
sunCC;g++
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting either the environment
variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
to the compiler, or to the compiler name if it is in the PATH.
CMake Error at /usr/share/cmake-3.5/Modules/CMakeCXXInformation.cmake:61 (include):
include called with wrong number of arguments. include() only takes one
file.
Call Stack (most recent call first):
CMakeLists.txt:14 (project)
-- Configuring incomplete, errors occurred!
See also "/tmp/tmpZPEFvN/madlib-1.10.0/build/CMakeFiles/CMakeOutput.log".
See also "/tmp/tmpZPEFvN/madlib-1.10.0/build/CMakeFiles/CMakeError.log".
INFO: building extension
make -C build all
make[1]: Entering directory '/tmp/tmpZPEFvN/madlib-1.10.0/build'
make[1]: *** No rule to make target 'all'. Stop.
make[1]: Leaving directory '/tmp/tmpZPEFvN/madlib-1.10.0/build'
Makefile:5: recipe for target 'all' failed
make: *** [all] Error 2
ERROR: command returned 2: make PG_CONFIG=/usr/bin/pg_config all
See also MADlib apt install, how to?