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C++20 is mandatory since bump to version 3.2.0 in commit2f8feb6620ande2efb744ceresulting in the following build failure: powerpc-linux-g++.br_real: error: unrecognized command line option '-std=c++20'; did you mean '-std=c++2a'? BR2_TOOLCHAIN_HAS_GCC_BUG_64735 dependency can be dropped as gcc > 7 is not affected by this bug Fixes:2f8feb6620- http://autobuild.buildroot.org/results/4171515ce33832fb07c8b42cda2575067f9e9859 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>