<tt><font size=2>Bruce Ashfield <bruce.ashfield@gmail.com> wrote
on 05.08.2015 05:17:14:<br> <br>> On Tue, Aug 4, 2015 at 4:41 AM, Ioan-Adrian Ratiu <adrian.ratiu@ni.com>
wrote:<br>> > The kernel configure step was broken by the sysroot poisoning
in [1].<br>> <br>> Can you be more precise here ? Configuration certainly works for me
.. and<br>> has been working since last October.<br></font></tt><br><tt><font size=2>This works because it was fixed in linux-yocto.inc
*after* the sysroot poisoning.</font></tt><br><tt><font size=2>I've mentioned this in the next line :) But this is
not what this fix is for,</font></tt><br><tt><font size=2>this fix should have been done at the same time with
adding $TOOLCHAIN_OPTIONS</font></tt><br><tt><font size=2>to $KERNEL_CC in linux-yocto.inc.</font></tt><br><br><tt><font size=2>This bug was missed because there is NO error reporting
in yocto-kernel-tools</font></tt><br><tt><font size=2>merge_configs.sh and the build continues despite the
error. I've sent a patch to</font></tt><br><tt><font size=2>fail loudly in case merge_configs.sh fails in yocto-kernel-tools.
You know about</font></tt><br><tt><font size=2>it because you responded to that mail :) These issues
are related.</font></tt><br><tt><font size=2><br>> > In linux-yocto.inc this was fixed by appending $TOOLCHAIN_OPTIONS
to<br>> > KERNEL_CC, TOOLCHAIN_OPTIONS containing the needed --sysroot
arg.<br>> ><br>> > However, [1] also breaks the yocto configure fragment generation:<br>> > after parsing the fragments, when make is called on the merged
file<br>> > to fill in any missing symbols with default values. The call
chain is:<br>> ><br>> > do_kernel_configme() -> configme -> merge_config.sh<br>> > -> make KCONFIG_ALLCONFIG=$TMP_FILE<br>> ><br>> > This issue was uncaught until now because configme redirects
all stdout<br>> > and stderr to merge_log.txt prior to calling merge_configs.sh
and there<br>> > is no return value checking, so building continues and the silent
error<br>> > is ignored.<br>> ><br>> > Adding $TOOLCHAIN_OPTIONS to $CFLAGS before calling configme
fixes this.<br>> ><br>> > TODO: In a future patch this kind of error should be made loud
and cause<br>> > the build to fail.<br>> ><br>> <br>> That won't be required, I already have a queue of patches that changes<br>> things significantly.<br>> <br>> If you can elaborate on the type of breakage you were seeing, I'll
add<br>> this to that queue.</font></tt><br><br><tt><font size=2>The error I'm seeing is caused by merge_configs.sh
from yocto-kernel-tools</font></tt><br><tt><font size=2>which calls make --alldefconfig | --allnoconfig with
a poisoned sysroot.</font></tt><br><br><tt><font size=2>The failure is caused by make not getting a --sysroot
argument and this error</font></tt><br><tt><font size=2>fails silently because of not checking the return
code in yocto-kernel-tools</font></tt><br><tt><font size=2>(again, I've sent a patch for this also, you responded
to it yesterday).</font></tt><br><br><tt><font size=2>The correct way to fix this IMO is to add the --sysroot
ARG to the environment</font></tt><br><tt><font size=2>in kernel-yocto.bbacless do_configme *before* calling
the yocto-kernel-tools,</font></tt><br><tt><font size=2>thus the tools get called with a sane sysroot.</font></tt><br><br><tt><font size=2>The exact error is this:</font></tt><br><br><tt><font size=3>Partial contents of merge_log.txt:<br>"<br>HOSTCC scripts/basic/fixdep<br>/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<br> #include <sys/types.h><br>
^<br>compilation terminated.<br>/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<br>make[2]: *** [scripts/basic/x86_64-nilrt-linux-fixdep] Error 1<br>/home/ovidiu/000/git/nilrt/build/tmp-glibc/work-shared/x64/kernel-source/Makefile:428:
recipe for target 'scripts_basic' failed<br>make[1]: *** [scripts_basic] Error 2<br>Makefile:133: recipe for target 'sub-make' failed<br>make: *** [sub-make] Error 2<br>"<br></font></tt><br><BR>
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