Bruce Ashfield <bruce.ashfi...@gmail.com> wrote on 05.08.2015 05:17:14:
> On Tue, Aug 4, 2015 at 4:41 AM, Ioan-Adrian Ratiu <adrian.ra...@ni.com>
wrote:
> > The kernel configure step was broken by the sysroot poisoning in [1].
>
> Can you be more precise here ? Configuration certainly works for me ..
and
> has been working since last October.
This works because it was fixed in linux-yocto.inc *after* the sysroot
poisoning.
I've mentioned this in the next line :) But this is not what this fix is
for,
this fix should have been done at the same time with adding
$TOOLCHAIN_OPTIONS
to $KERNEL_CC in linux-yocto.inc.
This bug was missed because there is NO error reporting in
yocto-kernel-tools
merge_configs.sh and the build continues despite the error. I've sent a
patch to
fail loudly in case merge_configs.sh fails in yocto-kernel-tools. You know
about
it because you responded to that mail :) These issues are related.
> > In linux-yocto.inc this was fixed by appending $TOOLCHAIN_OPTIONS to
> > KERNEL_CC, TOOLCHAIN_OPTIONS containing the needed --sysroot arg.
> >
> > However, [1] also breaks the yocto configure fragment generation:
> > after parsing the fragments, when make is called on the merged file
> > to fill in any missing symbols with default values. The call chain is:
> >
> > do_kernel_configme() -> configme -> merge_config.sh
> > -> make KCONFIG_ALLCONFIG=$TMP_FILE
> >
> > This issue was uncaught until now because configme redirects all
stdout
> > and stderr to merge_log.txt prior to calling merge_configs.sh and
there
> > is no return value checking, so building continues and the silent
error
> > is ignored.
> >
> > Adding $TOOLCHAIN_OPTIONS to $CFLAGS before calling configme fixes
this.
> >
> > TODO: In a future patch this kind of error should be made loud and
cause
> > the build to fail.
> >
>
> That won't be required, I already have a queue of patches that changes
> things significantly.
>
> If you can elaborate on the type of breakage you were seeing, I'll add
> this to that queue.
The error I'm seeing is caused by merge_configs.sh from yocto-kernel-tools
which calls make --alldefconfig | --allnoconfig with a poisoned sysroot.
The failure is caused by make not getting a --sysroot argument and this
error
fails silently because of not checking the return code in
yocto-kernel-tools
(again, I've sent a patch for this also, you responded to it yesterday).
The correct way to fix this IMO is to add the --sysroot ARG to the
environment
in kernel-yocto.bbacless do_configme *before* calling the
yocto-kernel-tools,
thus the tools get called with a sane sysroot.
The exact error is this:
Partial contents of merge_log.txt:
"
HOSTCC scripts/basic/fixdep
/home/ovidiu/000/git/nilrt/build/tmp-glibc/work-shared/x64/kernel-source/scripts/basic/fixdep.c:106:23:
fatal error: sys/types.h: No such file or directory
#include <sys/types.h>
^
compilation terminated.
/home/ovidiu/000/git/nilrt/build/tmp-glibc/work-shared/x64/kernel-source/scripts/basic/Makefile:21:
recipe for target 'scripts/basic/x86_64-nilrt-linux-fixdep' failed
make[2]: *** [scripts/basic/x86_64-nilrt-linux-fixdep] Error 1
/home/ovidiu/000/git/nilrt/build/tmp-glibc/work-shared/x64/kernel-source/Makefile:428:
recipe for target 'scripts_basic' failed
make[1]: *** [scripts_basic] Error 2
Makefile:133: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
"
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