parallel build fails with python interface enabled

[koomie]

From "make -j 4" on OSX

no-unsafe-math-optimizations -Dgnu_compiler -MT _masa_la-masa_wrap.lo -MD -MP -MF .deps/_masa_la-masa_wrap.Tpo -c masa_wrap.c  -fno-common -DPIC -o .libs/_masa_la-masa_wrap.o
mv -f .deps/_masa_la-masa_wrap.Tpo .deps/_masa_la-masa_wrap.Plo
mv -f .deps/navierstokes_3d_incompressible_homogeneous.Tpo .deps/navierstokes_3d_incompressible_homogeneous.Plo
mv -f .deps/navierstokes_3d_transient_sutherland.Tpo .deps/navierstokes_3d_transient_sutherland.Plo
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

[koomie]

closed with 65b1bd2

Tested parallel builds on OSX and Linux.