build: let ./configure fail (not just warn) when curses.h is missing
This fixes https://savannah.gnu.org/bugs/?52930. Reported-by: Michail Tsiolkas <mtsio@cryptolab.net>master
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6795d079b1
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ba1f990582
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@ -565,10 +565,10 @@ if eval "test x$CURSES_LIB_NAME = x"; then
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fi
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if eval "test x$CURSES_LIB_NAME = x"; then
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AC_MSG_WARN([
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*** No curses lib available. Consider getting the official ncurses
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*** distribution from ftp://ftp.gnu.org/pub/gnu/ncurses if you get
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*** errors compiling nano.])
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AC_MSG_ERROR([
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*** No curses lib was found. Please install the curses header files
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*** from libncursesw5-dev (Debian), ncurses-devel (Fedora), or similar.
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*** (Or install ncurses from https://ftp.gnu.org/gnu/ncurses/.)])
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else
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AC_MSG_RESULT([Using $CURSES_LIB_NAME as the curses library])
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fi
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