nixpkgs/pkgs/development/libraries/ncurses/default.nix

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{stdenv, fetchurl, unicode ? true}:
stdenv.mkDerivation {
name = "ncurses-5.6";
src = fetchurl {
url = mirror://gnu/ncurses/ncurses-5.6.tar.gz;
md5 = "b6593abe1089d6aab1551c105c9300e3";
};
configureFlags =
"--with-shared --includedir=\${out}/include" +
(if unicode then " --enable-widec " else " ") +
" --without-debug";
preBuild = ''sed -e "s@\([[:space:]]\)sh @\1''${SHELL} @" -i */Makefile Makefile'';
# When building a wide-character (Unicode) build, create backward
# compatibility links from the the "normal" libraries to the
# wide-character libraries (e.g. libncurses.so to libncursesw.so).
postInstall = if unicode then "
chmod -v 644 $out/lib/libncurses++w.a
for lib in curses ncurses form panel menu; do
if test -e $out/lib/lib\${lib}w.a; then
rm -vf $out/lib/lib\${lib}.so
echo \"INPUT(-l\${lib}w)\" > $out/lib/lib\${lib}.so
ln -svf lib\${lib}w.a $out/lib/lib\${lib}.a
ln -svf lib\${lib}w.so.5 $out/lib/lib\${lib}.so.5
fi
done;
" else "";
}