New "configure" ncurses detection code #4457

Job	Run time
build-ubuntu-latest-clang-analyzer	34s
build-freebsd-latest-clang	2m 54s
build-macos-latest-clang	23s
build-dragonflybsd-latest-gcc	3m 4s
build-ubuntu-latest-clang-sanitizer	33s
build-ubuntu-latest-full-featured-clang	34s
build-ubuntu-latest-full-featured-gcc	17s
build-ubuntu-latest-gcc-static	33s
build-ubuntu-latest-minimal-clang	1m 5s
build-ubuntu-latest-minimal-gcc	18s
build-ubuntu-latest-pcp	13s
build-netbsd-latest-gcc	2m 59s
build-openbsd-latest-clang	2m 43s
build-solaris-latest-gcc	6m 29s
lint-pcp-config	2s
lint-whitespace	4s
	22m 45s

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