*** This bug is a duplicate of bug 1830961 ***
https://bugs.launchpad.net/bugs/1830961
** This bug has been marked a duplicate of bug 1830961
Kernels & kernel drivers fail to build with gcc-9 [error:
‘-mindirect-branch’ and ‘-fcf-protection’ are not compatible]
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https://bugs.launchpad.net/bugs/1836373
Title:
Mainline builds for 5.1 and 5.2 failing for amd64 and i386
Status in linux package in Ubuntu:
Confirmed
Bug description:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2/BUILD.LOG.amd64
/home/kernel/COD/linux/include/linux/compiler.h: In function
'__read_once_size':
/home/kernel/COD/linux/include/linux/compiler.h:193:1: error:
'-mindirect-branch' and '-fcf-protection' are not compatible
The build has multiple errors saying '-mindirect-branch' and '-fcf-
protection' are not compatible. This currently affects the 5.2 kernel
build and the 5.1.17 kernel build.
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