arch: some require a minimal gcc version
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Cover letter [Buildroot] [PATCH 0/8] arch: some require a minimal gcc version
Hello,
Quoted 9 lines · Yann E. MORIN
Yann E. MORIN (8):
arch: introduce minimal required gcc version
package/gcc: hide versions too old for the current arch toolchain/external-custom: hide versions too old for the current arch toolchain/external: hide versions too old for the current archarch/bfin: needs gcc >= 6
arch/mips: some variants need different gcc versionsarch/arm: some variants need different gcc versions package/gcc: slight cleanup and reorg in remaining arch depends
Series applied to next, after fixing the minor conflicts that were caused by other changes being merged in between, and fixing a few typos in the commit log.
I'm still a bit worried about external toolchains that have gcc versions containing backports that support for an architecture or architecture variant that would normally require a more recent gcc version.
For example, gcc support for ARC was added in gcc 7.x, so we will be adding the statement that ARC needs gcc >= 7.x. However, the current Synopsys external toolchain for ARC uses gcc 6.x, so it wouldn't be selectable anymore.
I can imagine that Synopsys will rebuild their toolchain with gcc 7.x soonish, so perhaps the problem will just disappear by itself.
But it might still be an issue in other situations. Let's see what happens in the future! :-)
Thanks!
Thomas
Signature · 3 lines
Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com