[U-Boot] buildman and "echo" output?

[Chris Packham]

Hi Tom, Simon,

On Fri, Dec 14, 2018 at 5:01 AM Tom Rini <trini at konsulko.com> wrote:
>
> Hey Simon,
>
> How hard would it be to have buildman notice and print out the echo'd
> warnings we have in the toplevel Makefile?  By which I mean if you use
> buildman to build omap3_beagle you see just the DT warnings but if you
> run make by hand you also get:
> ==================== WARNING ======================
> This board does not use CONFIG_DM_MMC. Please update
> the board to use CONFIG_DM_MMC before the v2019.04 release.
> Failure to update by the deadline may result in board removal.
> See doc/driver-model/MIGRATION.txt for more info.
> ====================================================
> ===================== WARNING ======================
> This board does not use CONFIG_DM_USB. Please update
> the board to use CONFIG_DM_USB before the v2019.07 release.
> Failure to update by the deadline may result in board removal.
> See doc/driver-model/MIGRATION.txt for more info.
> ====================================================
>
> and as we want to get these things migrated we should make sure buildman
> shows them I think.  Thanks!
>

If these appear on stderr buildman seems to output them. I could turn
the following into a proper patch if you want.

> --diff --git a/Makefile b/Makefile
index 5683714947f2..3666396a034c 100644
--- a/Makefile
+++ b/Makefile
@@ -913,47 +913,47 @@ cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \

 all:           $(ALL-y) cfg
 ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y)
-       @echo "===================== WARNING ======================"
-       @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"
-       @echo "(possibly in a subsequent patch in your series)"
-       @echo "before sending patches to the mailing list."
-       @echo "===================================================="
+       @echo "===================== WARNING ======================" >&2
+       @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"  >&2
+       @echo "(possibly in a subsequent patch in your series)"      >&2
+       @echo "before sending patches to the mailing list."          >&2
+       @echo "====================================================" >&2
 endif
 ifeq ($(CONFIG_MMC),y)
 ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
-       @echo "===================== WARNING ======================"
-       @echo "This board does not use CONFIG_DM_MMC. Please update"
-       @echo "the board to use CONFIG_DM_MMC before the v2019.04 release."
-       @echo "Failure to update by the deadline may result in board removal."
-       @echo "See doc/driver-model/MIGRATION.txt for more info."
-       @echo "===================================================="
+       @echo "===================== WARNING ======================" >&2
+       @echo "This board does not use CONFIG_DM_MMC. Please update" >&2
+       @echo "the board to use CONFIG_DM_MMC before the v2019.04 release." >&2
+       @echo "Failure to update by the deadline may result in board
removal." >&2
+       @echo "See doc/driver-model/MIGRATION.txt for more info."    >&2
+       @echo "====================================================" >&2
 endif
 endif
 ifeq ($(CONFIG_USB),y)
 ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
-       @echo "===================== WARNING ======================"
-       @echo "This board does not use CONFIG_DM_USB. Please update"
-       @echo "the board to use CONFIG_DM_USB before the v2019.07 release."
-       @echo "Failure to update by the deadline may result in board removal."
-       @echo "See doc/driver-model/MIGRATION.txt for more info."
-       @echo "===================================================="
+       @echo "===================== WARNING ======================" >&2
+       @echo "This board does not use CONFIG_DM_USB. Please update" >&2
+       @echo "the board to use CONFIG_DM_USB before the v2019.07 release." >&2
+       @echo "Failure to update by the deadline may result in board
removal." >&2
+       @echo "See doc/driver-model/MIGRATION.txt for more info."    >&2
+       @echo "====================================================" >&2
 endif
 endif
 ifeq ($(CONFIG_LIBATA)$(CONFIG_DM_SCSI)$(CONFIG_MVSATA_IDE),y)
-       @echo "===================== WARNING ======================"
-       @echo "This board does not use CONFIG_DM_SCSI. Please update"
-       @echo "the storage controller to use CONFIG_DM_SCSI before the
v2019.07 release."
-       @echo "Failure to update by the deadline may result in board removal."
-       @echo "See doc/driver-model/MIGRATION.txt for more info."
-       @echo "===================================================="
+       @echo "===================== WARNING ======================" >&2
+       @echo "This board does not use CONFIG_DM_SCSI. Please update" >&2
+       @echo "the storage controller to use CONFIG_DM_SCSI before the
v2019.07 release." >&2
+       @echo "Failure to update by the deadline may result in board
removal." >&2
+       @echo "See doc/driver-model/MIGRATION.txt for more info."    >&2
+       @echo "====================================================" >&2
 endif
 ifeq ($(CONFIG_OF_EMBED),y)
-       @echo "===================== WARNING ======================"
-       @echo "CONFIG_OF_EMBED is enabled. This option should only"
-       @echo "be used for debugging purposes. Please use"
-       @echo "CONFIG_OF_SEPARATE for boards in mainline."
-       @echo "See doc/README.fdt-control for more info."
-       @echo "===================================================="
+       @echo "===================== WARNING ======================" >&2
+       @echo "CONFIG_OF_EMBED is enabled. This option should only"  >&2
+       @echo "be used for debugging purposes. Please use"           >&2
+       @echo "CONFIG_OF_SEPARATE for boards in mainline."           >&2
+       @echo "See doc/README.fdt-control for more info."            >&2
+       @echo "====================================================" >&2
 endif
        @# Check that this build does not use CONFIG options that we do not
        @# know about unless they are in Kconfig. All the existing CONFIG