build

fixup visibility and .a reproducibility #537

Job	Run time
linux-glibc-debian-sid-llvm-riscv64	3m 46s
linux-glibc-debian-bookworm-gcc	5m 20s
linux-glibc-debian-bookworm-llvm	6m 38s
linux-glibc-debian-sid-gcc-riscv64	3m 33s
linux-glibc-debian-testing-gcc	5m 56s
linux-glibc-debian-testing-llvm	8m 27s
linux-musl-alpine-gcc	3m 14s
linux-musl-alpine-llvm	3m 59s
linux-musl-debian-bookworm-gcc	5m 15s
linux-musl-debian-bookworm-llvm	6m 32s
linux-musl-debian-sid-gcc-riscv64	3m 26s
linux-musl-debian-sid-llvm-riscv64	4m 18s
linux-musl-debian-testing-gcc	5m 16s
linux-musl-debian-testing-llvm	6m 41s
linux-musl-from-mac	11m 37s
mac-clang	10m 27s
mac-llvm	11m 49s
reuse-check	6s
shellcheck	9s
spellcheck	3s
win-gcc	6m 18s
win-llvm	10m 19s
	2h 3m 9s

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