> On Feb 10, 2015, at 7:32 PM, Peter Grehan <gre...@freebsd.org> wrote:
>
> Hi toolchain folk,
>
> I've recently tried using the base system clang as an external toolchain i.e.
>
> make CROSS_COMPILER_PREFIX=/usr/bin/ buildworld
>
> .. and found that this no longer works after r273755 which split XFLAGS into
> XC/XCXXFLAGS. This appears to be because the XFLAGS definitions that define
> --sysroot and -B options aren't being passed through to clang, resulting in
> using header files from the host system.
>
> My quick hack was
>
> --- Makefile.inc1 (revision 278542)
> +++ Makefile.inc1 (working copy)
> @@ -374,6 +374,8 @@
> TARGET_ABI?= unknown
> TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/}-${TARGET_ABI}-freebsd11.0
> XCFLAGS+= -target ${TARGET_TRIPLE}
> +XCFLAGS+= ${XFLAGS}
> +XCXXFLAGS+= ${XFLAGS}
> .endif
> .endif
>
> However, this doesn't look to be the right way to fix this.
>
> Any opinions on a proper fix ?
I have a similar “fix” in my tree as well, but hadn’t pushed it because I
wasn’t quite sure the right way either.
Warner
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