gnu: cross-base: Build cross-compilers with ‘--enable-languages=c,c++’.
This fixes a regression introduced in
d21d596f72ad491937123980e65d3efedc903bd6 where the cross-compiler would
fail to build with:
checking dynamic linker characteristics... configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES.
make[1]: *** [Makefile:13129: configure-target-libobjc] Error 1
* gnu/packages/cross-base.scm (cross-gcc-arguments): Clear
‘--enable-languages’ flag unconditionally.
Change-Id: I2bb38bac42e0791cad617893343c0d3dfc963450