Re: Enabling clang/llvm for MIPS?

On Jul 21, 2013, at 2:04 PM, Dimitry Andric wrote:

> 
> On Jul 21, 2013, at 20:42, Adrian Chadd <adrian_at_freebsd.org> wrote:
>> I'd like to start doing test builds of the mips stuff (specifically
>> mips4kc, mips24k and mips74k) on freebsd-head with clang/llvm.
>> 
>> What changes are needed to the makefile framework to enable this?
> 
> In share/mk/bsd.own.mk, modify these parts:
> 
> # Clang is only for x86, powerpc and little-endian arm right now, by default.
> .if ${__T} == "amd64" || ${__T} == "i386" || ${__T:Mpowerpc*}
> __DEFAULT_YES_OPTIONS+=CLANG CLANG_FULL
> .elif ${__T} == "arm" || ${__T} == "armv6"
> __DEFAULT_YES_OPTIONS+=CLANG
> # GCC is unable to build the full clang on arm, disable it by default.
> __DEFAULT_NO_OPTIONS+=CLANG_FULL
> .else
> __DEFAULT_NO_OPTIONS+=CLANG CLANG_FULL
> .endif
> # Clang the default system compiler only on little-endian arm and x86.
> .if ${__T} == "amd64" || ${__T} == "arm" || ${__T} == "armv6" || \
>    ${__T} == "i386"
> __DEFAULT_YES_OPTIONS+=CLANG_IS_CC
> .else
> __DEFAULT_NO_OPTIONS+=CLANG_IS_CC
> .endif
> 
> The first part enables building clang, the second makes it the default
> compiler.  I take it you only want the first one for now?

make buildworld WITH_CLANG=t WITHOUT_CLANG_FULL=t WITHOUT_CLANG_IS_CC=t

Warner