On Tue, 17 Sep 2013, John-Mark Gurney wrote:
Bjoern A. Zeeb wrote this message on Tue, Sep 17, 2013 at 19:26 +0000:
On Tue, 3 Sep 2013, John-Mark Gurney wrote:
+ *
+ */
+
+#include <wmmintrin.h>
+
This pulls in a header from user space, in fact from clang, and if
cross-building without building clang this header file is not
available and a buildkernel is failing.
(paths shortend)
In file included from /sys/modules/aesni/../../crypto/aesni/aesni_wrap.c:40:
/sys/modules/aesni/../../crypto/aesni/aesencdec.h:30:10: fatal error:
'wmmintrin.h' file not found
#include <wmmintrin.h> ^
1 error generated.
--- aesni_wrap.o ---
More details please... cross building on what to what? I will admit
I haven't tried to build from arm or other non-x86 platform to an
x86.. but I am pretty sure I tested cross building i386 on an amd64
machine...
Are you building w/ gcc? it isn't clear from your message... If you
are, is your toolchain more recent than the 3rd?
Also, all I did was turn off -nostdinc, I didn't add any other paths,
which sounds like that the cross build environment isn't built
properly if it can't access userland headers...
It should not access the base system headers, it needs the ones in
obj/ but these are not there when building WITHOUT_CLANG=
as that header file in my head checkout only exists in the clang source
(contrib/llvm/tools/clang/lib/Headers/wmmintrin.h).
The SVN revision is about r255569 or the following commit from Saturday.
And yes I am also building without buildtools using XCC= XCPP= XCXX=
using clang from the installed base system, which means the pollution from
that early stage doesn't happen either -- more pieces seem to rely on
this:(
And this is building i386 on i386 just reducing the compile time by 7
orders of magnitude not building clang twice but zero times as I don't
need it for the output install and the one installed in base is
exactly the same I'd build again for bootstrap so avoiding this.
I assume on an entirely clang-free system building with just gcc and
never seen clang the results would be the same as the header file
will never be available anywhere.
--
Bjoern A. Zeeb ????????? ??? ??????? ??????:
'??? ??? ???? ?????? ??????? ?? ?? ??????? ??????? ??? ????? ????? ????
?????? ?? ????? ????', ????????? ?????????, "??? ????? ?? ?????", ?.???
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