[U-Boot] Build error: caused by CONFIG_SPL_LOG_CONSOLE

[U-Boot] Build error: caused by CONFIG_SPL_LOG_CONSOLE

[U.Mutlu]

If I activate "Enable logging support in SPL" (ie. CONFIG_SPL_LOG_CONSOLE),
ie. the following window in make menuconfig:

   Logging  --->

     [*] Enable logging support
     [*]   Enable logging support in SPL
     [*]   Enable logging support in TPL
     (5)   Maximum log level to record
     (3) Maximum log level to record in SPL (NEW)
     (3) Maximum log level to record in TPL
     (6) Default logging level to display
     [*] Allow log output to the console
     [*] Allow log output to the console in SPL (NEW)
     [*] Allow log output to the console in SPL
     [ ] Provide a test for logging
     [*] Log all functions which return an error

then the build fails as follows (paths sanitized):

arm-linux-gnueabihf-ld.bfd: common/built-in.o: in function `log_get_cat_name':
/.../u-boot/common/log.c:48: undefined reference to `uclass_get_name'
arm-linux-gnueabihf-ld.bfd: common/built-in.o: in function `_log':
/.../u-boot/common/log.c:212: undefined reference to `vsnprintf'
scripts/Makefile.spl:384: recipe for target 'spl/u-boot-spl' failed
make[1]: *** [spl/u-boot-spl] Error 1
Makefile:1664: recipe for target 'spl/u-boot-spl' failed
make: *** [spl/u-boot-spl] Error 2


Deactivating "Enable logging support in SPL" builds ok.


Version:
U-Boot 2019.04-00077-g48ff1bc4f0
(using stock git source tree w/o any own modifications)

Platform:
CONFIG_ARM=y
CONFIG_SYS_ARCH="arm"
CONFIG_SYS_CPU="armv7"
CONFIG_SYS_SOC="sunxi"
CONFIG_SYS_BOARD="sunxi"
CONFIG_SYS_CONFIG_NAME="sun7i"
CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-lamobo-r1"

[U-Boot] Build error: caused by CONFIG_SPL_LOG_CONSOLE

[Tom Rini]

On Sat, Apr 13, 2019 at 01:01:52AM +0200, U.Mutlu wrote:

> If I activate "Enable logging support in SPL" (ie. CONFIG_SPL_LOG_CONSOLE),
> ie. the following window in make menuconfig:
> 
>   Logging  --->
> 
>     [*] Enable logging support
>     [*]   Enable logging support in SPL
>     [*]   Enable logging support in TPL
>     (5)   Maximum log level to record
>     (3) Maximum log level to record in SPL (NEW)
>     (3) Maximum log level to record in TPL
>     (6) Default logging level to display
>     [*] Allow log output to the console
>     [*] Allow log output to the console in SPL (NEW)
>     [*] Allow log output to the console in SPL
>     [ ] Provide a test for logging
>     [*] Log all functions which return an error
> 
> then the build fails as follows (paths sanitized):
> 
> arm-linux-gnueabihf-ld.bfd: common/built-in.o: in function `log_get_cat_name':
> /.../u-boot/common/log.c:48: undefined reference to `uclass_get_name'
> arm-linux-gnueabihf-ld.bfd: common/built-in.o: in function `_log':
> /.../u-boot/common/log.c:212: undefined reference to `vsnprintf'
> scripts/Makefile.spl:384: recipe for target 'spl/u-boot-spl' failed
> make[1]: *** [spl/u-boot-spl] Error 1
> Makefile:1664: recipe for target 'spl/u-boot-spl' failed
> make: *** [spl/u-boot-spl] Error 2
> 
> 
> Deactivating "Enable logging support in SPL" builds ok.

Sounds like the Kconfig option is missing a depends on line.

-- 
Tom
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