[runtimes] Fix crosscompiling after
a7cad6680b4087eff8994f1f99ac40c661a6621f (D97451)
It moved the logic for CMake target arguments into llvm_ExternalProject_Add().
No handling was added for CMAKE_CROSSCOMPILING, which has a separate set of compiler_args.
This broke crosscompiling, as now the runtimes builds defaulted to the compiler's default.
I've also added passing of CMAKE_ASM_COMPILER, which was missing before although we were passing the triple for it.
Reviewed By: zero9178
Differential Revision: https://reviews.llvm.org/D97855
projects / platform / upstream / llvm.git / commit