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2025-08-19curses: fixed configuration for native netbsd-curses and ncurses (several ↵Robin Haberkorn1-582/+0
corner cases) * pkg-config check for `ncurses` fails if it failed previously for `ncursesw`. This is the case e.g. for ncurses from NetBSD's pkgsrc. * No longer assume that any libncurses is not enhanced (X/Open compatible). * SciTECO and Scinterm require to find a curses.h in the include paths. The ncurses check must therefore not be limited to the first best ncurses/ncurses.h and the like. * We now always check for X/Open compatibility and always require a curses.h in the standard directories or as given by pkg-config. * AX_WITH_CURSES was radically rewritten and is now called AX_WITH_NCURSES. * --with-interface=netbsd-curses gets its own detection code. It always requires a curses.h in the standard paths and a libcurses. It should now be fixed for real NetBSD installations if the ncurses port is installed as well. * Unified all of the curses-arguments to CURSES_CFLAGS and CURSES_LIBS. There is no reason we need PDCURSES_CFLAGS, XCURSES_CFLAGS etc.
2024-12-24added AX_WITH_CURSES for more robust ncurses checksRobin Haberkorn1-0/+582
* Turns out that on SunOS/OmniOS the ncurses port does not ship with a ncursesw pkg-config file, but the ncurses file is for a version, that does contain widechar support as well. * Instead of adding yet another recursive PKG_CHECK_MODULES() call, we now use the AX_WITH_CURSES() macro, which is probably more robust. This should at least fix ./configure on OmniOS. * It also adds a number of feature C macros, that could be useful to check in the future. * At the moment, we strive to support all X/Open-compatible Curses libraries, but both enhanced and color functions are required. Therefore plain SVr4 Curses is not supported. * source: https://www.gnu.org/software/autoconf-archive/ax_with_curses.html