[U-Boot] [PATCH] If CONFIG_SANDBOX isn't defined the build fails in fw_env.c

Peter Robinson pbrobinson at gmail.com
Wed Jun 17 18:00:03 CEST 2015


Hi Simon,

>>> On 15 June 2015 at 13:40, Peter Robinson <pbrobinson at gmail.com> wrote:
>>>> In our Fedora builds we get the below errors if we build the following using
>>>> a vanilla u-boot 2015.07rc2. I'm not sure if it's the best fix but it fixes
>>>> the build for rc2.
>>>>
>>>> make HOSTCC="gcc $RPM_OPT_FLAGS" CROSS_COMPILE="" defconfig V=1 O=builds/
>>>> make HOSTCC="gcc $RPM_OPT_FLAGS" CROSS_COMPILE="" tools-all V=1 O=builds/
>>>>
>>>> gcc -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches  -m64 -mtune=generic -Wp,-MD,tools/env/.fw_env.o.d -Itools/env -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafterinclude -idirafter../include -idirafter../arch/sandbox/include -idirafter ../tools/env -DUSE_HOSTCC -DTEXT_BASE= -c -o tools/env/fw_env.o ../tools/env/fw_env.c
>>>> In file included from ../include/configs/sandbox.h:130:0,
>>>>                  from include/config.h:5,
>>>>                  from ../tools/env/fw_env.h:11,
>>>>                  from ../tools/env/fw_env.c:34:
>>>> ../include/env_default.h:104:2: error: expected '}' before 'BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX'
>>>>   CONFIG_EXTRA_ENV_SETTINGS
>>>>   ^
>>>> scripts/Makefile.host:108: recipe for target 'tools/env/fw_env.o' failed
>>>> make[2]: *** [tools/env/fw_env.o] Error 1
>>>
>>> Thanks for the report. I can't seem to repeat this. The build
>>> completes OK for me.
>>>
>>> CONFIG_SANDBOX is defined in arch/Kconfig. It ends up in your build
>>> directory in these files.
>>>
>>> b/sandbox/include/config/auto.conf:CONFIG_SANDBOX=y
>>> b/sandbox/include/generated/autoconf.h:#define CONFIG_SANDBOX 1
>>>
>>> autoconf.h is the one that matters. I wonder why this is not included
>>> in your case?
>>>
>>> I notice that fw_env.h starts like this:
>>>
>>> /* Pull in the current config to define the default environment */
>>> #ifndef __ASSEMBLY__
>>> #define __ASSEMBLY__ /* get only #defines from config.h */
>>> #include <config.h>
>>> #undef __ASSEMBLY__
>>> #else
>>> #include <config.h>
>>> #endif
>>> #include <generated/autoconf.h>
>>>
>>> Should the inclusion of autoconf.h go above the inclusion of config.h, perhaps?
>>
>>
>> Right.
>>
>> autoconf.h should be included earlier than any other headers.
>> Besides, linux/kconfig.h is preferred to generated/autoconf.h
>>
>>
>> I posted a patch for this problem last year.  See
>> http://patchwork.ozlabs.org/patch/417192/
>>
>> I do not know why it was dismissed long.
>>
>>
>> And then, another patch was posted and picked up.
>>
>> http://patchwork.ozlabs.org/patch/461411/
>>
>> But, it was not good...
>
> With Masahiro's comments are you able to update your patch?

Patch updated [1] and posted.

Peter

[1] http://lists.denx.de/pipermail/u-boot/2015-June/216866.html


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