Makefile.in (DRIVER_DEFINES): Use $(and), not shell code, to add -DENABLE_SHARED_LIBGCC.

Makefile.in (DRIVER_DEFINES): Use $(and), not shell code, to add -DENABLE_SHARED_LIBGCC.

	* Makefile.in (DRIVER_DEFINES): Use $(and), not shell code,
	to add -DENABLE_SHARED_LIBGCC.
	(gcc.o): Don't use subshell.
gcc/c
	* Make-lang.in (c/gccspec.o): Don't use subshell.
gcc/cp
	* Make-lang.in (g++spec.o): Don't use subshell.
gcc/fortran
	* Make-lang.in (gfortranspec.o): Don't use subshell.
gcc/go
	* Make-lang.in (gospec.o): Don't use subshell.
gcc/java
	* Make-lang.in (jvspec.o): Don't use subshell.

From-SVN: r202897