[PATCH 00/11] Reduce usage of timestamp macros

[Pali Rohár]

On Wednesday 01 September 2021 16:59:09 Tom Rini wrote:
> On Mon, Aug 02, 2021 at 03:18:27PM +0200, Pali Rohár wrote:
> 
> > Including timestamp.h (either directly or transitionally) cause build
> > system to recompile binaries at every 'make' run. This has disadvantage
> > in U-Boot development as for every small change 'make' recompiles lot of
> > other irrelevant files which were not touched / changed.
> > 
> > This patch series eliminate transitional / indirect usage of
> > timestamp.h by removing unneeded inclusion of header files, moving
> > timestamp values from macros to global variables, etc...
> > 
> > After these patches, U-Boot tools are not recompiled by every 'make' run,
> > which decrease time for incremental U-Boot recompilation.
> > 
> > Please test these patches, specially m68k and powerpc parts as I do not
> > have any of these boards.
> > 
> > Patch series depend on this patch (now marked as accepted):
> > http://patchwork.ozlabs.org/project/uboot/patch/20210710111001.32325-1-pali@kernel.org/
> > 
> > Pali Rohár (11):
> >   Remove #include <timestamp.h> from files which do not need it
> >   Remove #include <version.h> from files which do not need it
> >   efi_loader: Use directly version_string variable
> >   version: Move version_string[] from version.h to version_string.h
> >   m68k: mcf: Remove overloading version_string
> >   version: Put version_string[] variable into section
> >     .text_version_string
> >   powerpc: mpc: Put U-Boot version string at correct place by linker
> >     script
> >   version: Do not make version_string[] variable as a weak
> >   x86: quark: MRC: Remove U_BOOT_DATE and U_BOOT_TIME from debug log
> >   version: Remove global macro U_BOOT_VERSION_STRING from version.h
> >   Remove including timestamp.h in version.h
> 
> So, looking at https://source.denx.de/u-boot/u-boot/-/pipelines/8948
> this fails to build for at least qemu-ppce500 and xtfpga.  Over in 
> doc/develop/ci_testing.rst we document how to run a world build.  Please
> fix these build errors and re-submit, thanks.

Already happened about month ago
https://patchwork.ozlabs.org/project/uboot/patch/20210808112038.7942-1-pali@kernel.org/

As stated, following build command now passes:
make CROSS_COMPILE=powerpc-linux-gnu- MCR3000_defconfig u-boot.bin