I have 3 layers:
meta-a:
meta-a
└── recipes-my
└── mypgk
├── mypgk_1.0.bb
└── mypkg_rel
├── config.conf
└── mypkg.service
* mypgk_1.0.bb:
FILESEXTRAPATHS_prepend_$(MACHINE) := "${THISDIR}/${PN}_rel:"
SRC_URI = "file://config.conf "
SYSTEMD_PACKAGES = "${PN}"
SYSTEMD_SERVICE_${PN} = " mypkg.service"
do_install() {
install -m 755 -d ${D}${bindir}
install -m 755 -d ${D}${sysconfdir}
install -m 644 ${WORKDIR}/config.conf ${D}${sysconfdir}/config.conf
install -d ${D}${systemd_system_unitdir}
install -m 644 ${WORKDIR}/mypkg.service
${D}${systemd_system_unitdir}/mypkg.service
}
meta-b:
meta-b
└── recipes-my
└── mypgk
├── mypgk_1.0.bbappend
└── mypkg
└── config.conf
* mypgk_1.0.bbappend:
FILESEXTRAPATHS_prepend_${MACHINE} :=
"${YOCTOROOT}/meta-a/recipes-my/${PN}/${PN}_rel:"
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
SRC_URI += "file://config.conf "
I also have a meta-c layer. meta-c/recipes-my doesn't exists, i want to use the
meta-b one.
* meta-c depends on meta-b,
* meta-b depends on meta-a.
In meta-c layer.conf i have this:
LAYERDEPENDS_c = "b"
Layers priority:
* meta-a = 14
* meta-b = 15
* meta-c = 16
Every layer defines a machine (machinea, machineb, machinec)
When I build machinea, the config.conf file from meta-a is installed.
When I build machineb, the config.conf file from meta-b is installed.
When I build machinec, the config.conf file from meta-a is installed instead
the one in meta-b which have a higher priority.
When I build machinec I want mypkg from meta-b as-is, why bitbake use the other
config.conf file?
Also copying recipes-my/* from meta-b to meta-c/ doesn't work and config.conf
from meta-a is installed.
If I rename config.conf to config_b.conf (changing .bbappend accordingly) in
meta-b everything works as axpected.
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