tree edd3100b27b55933ff72ebb8d9384bea63cf1580
parent 29656f07b7e81c0bb13ca119b4c6ef62f5e79a18
author George Liu <liuxiwei@inspur.com> 1638930104 +0800
committer George Liu <liuxiwei@inspur.com> 1638930104 +0800

build: switch to C++20

1. Updated to C++20
2. Limit meson version >= 0.58.0
3. Added the default buildtype to debugoptimized

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I1318c1aabdbeb285c1bea83b6820c878d5152c8a