stage2: don't bother building glibc when only doing build-obj
stage2: don't bother building glibc when only doing build-obj

zig-lang/zig,raulgrell/zig,raulgrell/zig,andrewrk/zig,andrewrk/zig,zig-lang/zig,zig-lang/zig,raulgrell/zig,raulgrell/zig,raulgrell/zig