steven-johnson
commented
3 years ago - set LLVM_CCACHE_BUILD=ON for builders with ccache
- revise llvm_build_locks to include the 'bitness' of LLVM; this allows 32 and 64 bit builds to proceed at the same time (formerly they were locked out even if the system had enough capacity)
- Only prepend 'ccache' to the compiler name when doing make builds, and only for Halide (not for LLVM)
- revise the Linux compiler choice to specify gcc-7 everywhere, not just on x86 (gcc-7 is our preferred compiler on armlinux too)