[Ovmsdev] Some warning/error messages

Stephen Casner casner at acm.org
Tue Apr 17 04:16:48 HKT 2018

Agree that this warning is harmless.  It is not fixed yet in
espressif/esp-idf master.  I just filed an issue for it.  (I could
submit a fix, but that review process takes so long...)

                                                        -- Steve

On Sat, 14 Apr 2018, Mark Webb-Johnson wrote:

> I see this too. I'm guessing it is a bug in the ESP IDF version we
> pulled at last merge.
> I enabled the option for MD5 checksums on the partition table, for
> production builds, and it seems to be working (looking at the
> generated partitions.bin). It also validates correctly.
> I think this is just a facility to disable the generation of MD5
> checksums, and the MD5_OPT variable is not set empty when using MD5
> checksums. Should not impact operation.
> Once the next OTA firmware release goes out, I intend to try another
> upstream merge for the IDF. Just a bit scary as historically they
> have broken stuff.
> Regards, Mark.
> > On 14 Apr 2018, at 6:38 AM, Stephen Casner <casner at acm.org> wrote:
> >
> > Item 1: When running "make flash" I see the following warning:
> >
> > Running make flash...
> > /Users/casner/src/github/esp-idf/components/partition_table/Makefile.projbuild:16: warning: undefined variable `MD5_OPT'
> > Flashing binaries to serial port /dev/cu.SLAB_USBtoUART (app at offset 0x10000)...
> >
> > A grep for MD5_OPT in the esp-idf source tree only finds the two
> > instances in Makefile.projbuild, so it looks like is not defined
> > anywhere if CONFIG_PARTITION_TABLE_MD5=y.
> >
> > Do others see this warning?  If not, I must need to update something.

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