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require 'mkmf'
def transact
old_libs = $libs.dup
old_defs = $defs.dup
result = yield
if !result
$libs = old_libs
$defs = old_defs
end
result
end
dir_config('curses')
dir_config('ncurses')
dir_config('termcap')
make=false
headers = []
have_library("mytinfo", "tgetent") if /bow/ =~ RUBY_PLATFORM
have_library("tinfo", "tgetent") or have_library("termcap", "tgetent")
curses = nil
if transact { have_header(*curses=%w"ncurses.h") and
(have_library("ncursesw", "initscr") or
have_library("ncurses", "initscr")) }
make=true
elsif transact { have_header(*curses=%w"ncurses/curses.h") and
have_library("ncurses", "initscr") }
make=true
elsif transact { have_header(*curses=%w"curses_colr/curses.h") and
have_library("cur_colr", "initscr") }
curses.unshift("varargs.h")
make=true
elsif transact { have_header(*curses=%w"curses.h") and
have_library("curses", "initscr") }
make=true
end
if make
for f in %w(beep bkgd bkgdset curs_set deleteln doupdate flash getbkgd getnstr init isendwin keyname keypad resizeterm scrl set setscrreg ungetch wattroff wattron wattrset wbkgd wbkgdset wdeleteln wgetnstr wresize wscrl wsetscrreg def_prog_mode reset_prog_mode timeout wtimeout nodelay init_color wcolor_set use_default_colors newpad)
have_func(f) || (have_macro(f, curses) && $defs.push(format("-DHAVE_%s", f.upcase)))
end
flag = "-D_XOPEN_SOURCE_EXTENDED"
if try_static_assert("sizeof(char*)>sizeof(int)", %w[stdio.h stdlib.h]+curses , flag)
$defs << flag
end
have_var("ESCDELAY", curses)
have_var("TABSIZE", curses)
have_var("COLORS", curses)
have_var("COLOR_PAIRS", curses)
create_makefile("curses")
end
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