On Mar 20, 2014, at 12:24 PM, John-Mark Gurney <j...@funkthat.com> wrote:
> Warner Losh wrote this message on Thu, Mar 20, 2014 at 11:30 -0600: >> >> On Mar 20, 2014, at 8:25 AM, David Chisnall <thera...@freebsd.org> wrote: >> >>> On 20 Mar 2014, at 14:08, John Baldwin <j...@freebsd.org> wrote: >>> >>>> No, the compiler should provide a working "wmmintrin.h" header in one of >>>> its built-in paths if it supports the AES instructions. This is akin to >>>> saying that code that uses "stdio.h" should use -I/usr/src/include. >>> >>> It does, however our build system then explicitly says to the compiler >>> 'don't use your built-it paths because they may contain declarations that >>> contradict the FreeBSD ones' by means of the sysroot argument. When not >>> using an external toolchain, we put the compiler's internal headers inside >>> the sysroot. >> >> Sounds like we?re building the sysroot wrong then. > > I'm not familar w/ cross tools, are cross tools suppose to "just work", > or do you still require building kernel-toolchain? The wiki doesn't > talk about buildkernel... If it's still required to build > kernel-toolchain before buildkernel, one option is to remove the > exclusion of the _includes target from kernel-toolchain, though _includes > doesn't appear to install the header... It looks like it never > goes into lib/clang to install them, though I'm not sure if it is suppose > to or not.. If you use COMPILER_TYPE=gcc, it doesn't go into the proper > gcc subdir to install them either… I’m saying that whatever is building the sysroot is building it wrong. I haven’t looked at the details enough to know where the fault lies. If the files aren’t there, that’s a bug and adding hacks for clang is not the right way to fix the bug. > In investigating this, it looks like we might have a make rule conflict > in usr.sbin/bsdconfig... It has a subdir includes, but bsd.subdir.mk > also defines a rule includes (for building inclues) which results in > this: > make[4]: "/usr/src/share/mk/bsd.subdir.mk" line 85: warning: duplicate script > for target "includes" ignored > make[4]: "/usr/src/share/mk/bsd.subdir.mk" line 69: warning: using previous > script for "includes" defined here That’s likely an orthogonal issue… Warner _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
