Public bug reported:
On 20.04 amd64 with gcc-{9,10}-arm-linux-gnueabihf packages installed in
order to cross compile for a TI arm beagle-like board kernel I get:
$ echo $OOTB
../builds/arm-beagle
$ echo $CROSS_COMPILE
arm-linux-gnueabihf-
$ make -j7 arch=arm O=$OOTB prepare zImage modules dtbs |& tee /tmp/build.log
make[1]: Entering directory '/media/tj/SourceCode/builds/arm-beagle'
GEN ./Makefile
scripts/kconfig/conf --syncconfig Kconfig
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:317: checkbin] Error 1
make[1]: Leaving directory '/media/tj/SourceCode/builds/arm-beagle'
make: *** [Makefile:146: sub-make] Error 2
** Affects: gcc-9-cross (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1911798
Title:
20.04 - You are building kernel with non-retpoline compiler. Please
update your compiler
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