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this recipe inherits python3native class conditionally, this condition
depends on a given packageconfig, however inherit ${VAR} syntax requires
VAR to be evaluated before inheriting it, therefore if someone appends
python3 to packageconfig via a bbappend, then the packageconfig will
become effective and add --enable-bindings-python to configure but
inherit wont evaluate correctly since the expression adding to
packageconfig
PACKAGECONFIG_append = " python3"
will be coming _after_ the inherit, and the builds will fail e.g.
| ../../../libgpiod-1.3/bindings/python/gpiodmodule.c:8:10: fatal error: Python.h: No such file or directory
| #include <Python.h>
This will still mean that python3native is always inherited but the
effective configure option will be --disable-bindings-python and that
will do the right thing
See. https://github.com/openembedded/meta-openembedded/issues/140
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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