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SubjectThe CONFIG_UNWINDER_ORC bug is back.
Date
Do "make defconfig" on x86-64, fire up menuconfig and select the frame pointer
uwinder (under kernel hacking -> choose unwinder) and:

$ make
Makefile:966: *** "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y,
please install libelf-dev, libelf-devel or elfutils-libelf-devel". Stop.

Confirming:

$ grep UNWINDER .config
# CONFIG_UNWINDER_ORC is not set
CONFIG_UNWINDER_FRAME_POINTER=y

Rob

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