CODEWITHSUNDEEP
yoctoopenembedded
netskink
netskink

Reputation: 4539

How to conditionally specify a variable in yocto .bb recipe

I would like to do something like this:

if [ "${BB_NO_NETWORK}" == "1" ]; then
    SRCREV ?= "a2d1f0225692c7c054014ec4dfc4dd13a35245ee"
else
    SRCREV ?= "${AUTOREV}"
fi

But I get an unparsed error

Here is what I have got working.

SRCREV_FORMAT = "${@bb.utils.contains('BB_NO_NETWORK', '1', "v16_pcmx", "${AUTOREV}", d)}"
SRCREV_d3v16 = "${@bb.utils.contains('BB_NO_NETWORK', '1', "a2d1f0225692c7c054014ec4dfc4dd13a35245ee", "${AUTOREV}", d)}"
SRCREV_v16 = "${@bb.utils.contains('BB_NO_NETWORK', '1', "a2d1f0225692c7c054014ec4dfc4dd13a35245ee", "${AUTOREV}", d)}"
SRCREV_pcmx-native = "${@bb.utils.contains('BB_NO_NETWORK', '1', "d09e0b91ae34d807d3df27908f045e58a52e0c4c", "${AUTOREV}", d)}"
SRCREV_pcmx-pn-pcmx = "${@bb.utils.contains('BB_NO_NETWORK', '1', "d09e0b91ae34d807d3df27908f045e58a52e0c4c", "${AUTOREV}", d)}"
SRCREV_pcmx = "${@bb.utils.contains('BB_NO_NETWORK', '1', "d09e0b91ae34d807d3df27908f045e58a52e0c4c", "${AUTOREV}", d)}"
SRCREV_pn-pcmx = "${@bb.utils.contains('BB_NO_NETWORK', '1', "d09e0b91ae34d807d3df27908f045e58a52e0c4c", "${AUTOREV}", d)}"
SRCREV = "${@bb.utils.contains('BB_NO_NETWORK', '1', "", "${AUTOREV}", d)}"

This attempt fails:

SRCREV_FORMAT = "${@ "v16_pcmx" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_d3v16 = "${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_v16 = "${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_pcmx-native = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_pcmx-pn-pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV_pn-pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"
SRCREV = "${@ "" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK',TRUE)) else d.getVar('AUTOREV') }"

This also fails

SRCREV_FORMAT = "${@ "v16_pcmx" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_d3v16 = "${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_v16 = "${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_pcmx-native = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_pcmx-pn-pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV_pn-pcmx = "${@ "d09e0b91ae34d807d3df27908f045e58a52e0c4c" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"
SRCREV = "${@ "" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"

The error for this one looks like this:

bb.data_smart.ExpansionError: Failure expanding variable SRCREV_v16, expression was ${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') } which triggered exception TypeError: getVar() missing 1 required positional argument: 'expand'

Lastly, this fails as well:

SRCREV_FORMAT = "${@'v16_pcmx' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_d3v16 = "${@'a2d1f0225692c7c054014ec4dfc4dd13a35245ee' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_v16 = "${@'a2d1f0225692c7c054014ec4dfc4dd13a35245ee' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_pcmx-native = "${@'d09e0b91ae34d807d3df27908f045e58a52e0c4c' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_pcmx-pn-pcmx = "${@'d09e0b91ae34d807d3df27908f045e58a52e0c4c' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_pcmx = "${@'d09e0b91ae34d807d3df27908f045e58a52e0c4c' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV_pn-pcmx = "${@'d09e0b91ae34d807d3df27908f045e58a52e0c4c' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"
SRCREV = "${@'' if d.getVar('BB_NO_NETWORK') == '1' else '${AUTOREV}'}"

Upvotes: 3

Views: 17708

Answers (2)

user18197
user18197

Reputation: 416

You can also use base_conditional from utils.bbclass:

SRCREV = "${@base_conditional('BB_NO_NETWORK', '1', 'a2d1f0225692c7c054014ec4dfc4dd13a35245ee', '${AUTOREV}', d)}"

Upvotes: 7

Roman Khimov
Roman Khimov

Reputation: 5012

I guess on modern OE it's gonna look like this (untested):

SRCREV = "${@ "a2d1f0225692c7c054014ec4dfc4dd13a35245ee" if bb.utils.to_boolean(d.getVar('BB_NO_NETWORK')) else d.getVar('AUTOREV') }"

using inline python variable expansion. On older OE you might need to specify second parameter to d.getVar, like d.getVar('BB_NO_NETWORK', True).

Upvotes: 10

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