Here is the error message:
building '_multiprocessing' extension
creating
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing
mips64el-unknown-linux-gnu-gcc -pthread -fPIC -fno-strict-aliasing -O2
-march=loongson2f -Wa,-mfix-loongson2f-nop -pipe -fwrapv -DNDEBUG
-IModules/_multiprocessing -I. -IInclude -I/usr/local/include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/mips64el-unknown-linux-gnu
-c /var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/multiprocessing.c
-o
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/multiprocessing.o
mips64el-unknown-linux-gnu-gcc -pthread -fPIC -fno-strict-aliasing -O2
-march=loongson2f -Wa,-mfix-loongson2f-nop -pipe -fwrapv -DNDEBUG
-IModules/_multiprocessing -I. -IInclude -I/usr/local/include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/mips64el-unknown-linux-gnu
-c /var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/socket_connection.c
-o
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/socket_connection.o
mips64el-unknown-linux-gnu-gcc -pthread -fPIC -fno-strict-aliasing -O2
-march=loongson2f -Wa,-mfix-loongson2f-nop -pipe -fwrapv -DNDEBUG
-IModules/_multiprocessing -I. -IInclude -I/usr/local/include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Include
-I/var/tmp/portage/dev-lang/python-2.7.12/work/mips64el-unknown-linux-gnu
-c /var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/semaphore.c
-o
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/semaphore.o
mips64el-unknown-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,--as-needed
-L. -Wl,-O1 -Wl,--as-needed -L. -fno-strict-aliasing -O2
-march=loongson2f -Wa,-mfix-loongson2f-nop -pipe -fwrapv -DNDEBUG -I.
-IInclude
-I/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Include
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/multiprocessing.o
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/socket_connection.o
build/temp.linux-mips64-2.7/var/tmp/portage/dev-lang/python-2.7.12/work/Python-2.7.12/Modules/_multiprocessing/semaphore.o
-L. -lpython2.7 -o build/lib.linux-mips64-2.7/_multiprocessing.so ***
WARNING: importing extension "_multiprocessing" failed with <type
'exceptions.OSError'>: [Errno 89] Function not implemented