require 'mkmf' def have_all(*args) # :nodoc: old_libs = $libs.dup old_defs = $defs.dup result = [] begin args.each {|arg| r = arg.call(*result) if !r return nil end result << r } result ensure if result.length != args.length $libs = old_libs $defs = old_defs end end end dir_config('curses') dir_config('ncurses') dir_config('termcap') have_library("mytinfo", "tgetent") if /bow/ =~ RUBY_PLATFORM have_library("tinfo", "tgetent") or have_library("termcap", "tgetent") header_library = nil [ ["ncurses.h", ["ncursesw", "ncurses"]], ["ncurses/curses.h", ["ncurses"]], ["curses_colr/curses.h", ["cur_colr"]], ["curses.h", ["curses", "pdcurses"]], # ["xcurses.h", ["XCurses"]], # XCurses (PDCurses for X11) ].each {|hdr, libs| header_library = have_all( lambda { have_header(hdr) && hdr }, lambda {|h| libs.find {|lib| have_library(lib, "initscr", h) } }) if header_library break; end } if header_library header, library = header_library puts "header: #{header}" puts "library: #{library}" curses = [header] if header == 'curses_colr/curses.h' curses.unshift("varargs.h") end 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) # SVR4 curses has a (undocumented) variable char *curses_version. # ncurses and PDcurses has a function char *curses_version(). # Note that the original BSD curses doesn't provide version information. # # configure option: # --with-curses-version=function for SVR4 # --with-curses-version=variable for ncurses and PDcurses # (not given) automatically determined case with_curses_version = with_config("curses-version") when "function" $defs << '-DHAVE_FUNC_CURSES_VERSION' when "variable" $defs << '-DHAVE_VAR_CURSES_VERSION' when nil func_test_program = cpp_include(curses) + <<-"End" int main(int argc, char *argv[]) { curses_version(); return EXIT_SUCCESS; } End var_test_program = cpp_include(curses) + <<-"End" extern char *curses_version; int main(int argc, char *argv[]) { int i = 0; for (i = 0; i < 100; i++) { if (curses_version[i] == 0) return 0 < i ? EXIT_SUCCESS : EXIT_FAILURE; if (curses_version[i] & 0x80) return EXIT_FAILURE; } return EXIT_FAILURE; } End try = method(CROSS_COMPILING ? :try_link : :try_run) function_p = checking_for(checking_message('function curses_version', curses)) { try[func_test_program] } variable_p = checking_for(checking_message('variable curses_version', curses)) { try[var_test_program] } if function_p and variable_p if [header, library].grep(/ncurses|pdcurses|xcurses/i) variable_p = false else warn "found curses_version but cannot determin whether it is a" warn "function or a variable, so assume a variable in old SVR4" warn "ncurses." function_p = false end end $defs << '-DHAVE_FUNC_CURSES_VERSION' if function_p $defs << '-DHAVE_VAR_CURSES_VERSION' if variable_p else warn "unexpeted value for --with-curses-version: #{with_curses_version}" end for type in ["long", "int"] if try_static_assert("sizeof(chtype) == sizeof(unsigned #{type})", %w[stdio.h stdlib.h]+curses) $defs << "-DCHTYPE_IS_U#{type.upcase}" break end end create_makefile("curses") end