Build

WIP shell #919

Job	Run time
Build with clang-9 (debian:11.1)	58s
Build with gcc-9 (debian:11.1)	50s
Build with gcc on archlinux:base	57s
Build with clang-11 (debian:11.1)	1m 2s
Build with clang (fedora:34)	1m 27s
Build with clang on archlinux:base	1m 13s
Build with clang (fedora:35)	1m 19s
Build with gcc-10 (debian:11.1)	46s
Build with gcc (fedora:34)	1m 32s
Build with gcc (fedora:35)	1m 23s
Build with gcc-10 (macOS-12)	1s
Build with gcc-12 on ubuntu-24.04	40s
Build with gcc-11 (macOS-12)	1s
Build with default Xcode (macOS-12)	1s
Build with gcc-13 on ubuntu-24.04	33s
Build with gcc-14 on ubuntu-24.04	39s
Build on bookworm aarch64	30s
Build with clang-16 on ubuntu-24.04	39s
Build on bookworm s390x	27s
Build with clang-17 on ubuntu-24.04	38s
Build on bookworm ppc64le	28s
Build with clang-18 on ubuntu-24.04	33s
	16m 37s

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