On 2015-11-19 09:42, Gary Thomas wrote:
I have a recipe that needs to make sure a global setting is
in place (used by a different recipe). How can I test for
this variable/setting in my recipe and issue a warning/error
if it is not?
Thanks for any ideas
Never mind - it occurred to me to see if some other recipe had
such checks and I found some and was able to add this to my recipe:
# Make sure SPI will is enabled
python do_check_variables() {
ENABLE_SPI_BUS = d.getVar('ENABLE_SPI_BUS', True)
if ENABLE_SPI_BUS != '1':
bb.fatal("PiFace module can't work without SPI support - Add
ENABLE_SPI_BUS='1' to local.conf")
}
addtask check_variables before do_fetch
Not sure if this is the best way but it suffices.
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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