So the story goes:
there are 49 questions tagged cross-compile
There are 665 questions tagged cross-compiling
There are 0 questions tagged cross-compilation
I'm suggesting moving them all to cross-compilation due to precedent in the decision on resolving "compiling", "compile", and "compilation": Merge the "compiling", "compile" and "compilation" tags?
Though compiler still exists to distinguish questions about innards or characteristics compilers themselves in absence of any input code, as opposed to problems one is having with a compilation step.