diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/curses/extconf.rb | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/ext/curses/extconf.rb b/ext/curses/extconf.rb index 5220b08d58..7c38bd9266 100644 --- a/ext/curses/extconf.rb +++ b/ext/curses/extconf.rb @@ -1,5 +1,16 @@ 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') @@ -9,14 +20,21 @@ headers = [] have_library("mytinfo", "tgetent") if /bow/ =~ RUBY_PLATFORM have_library("tinfo", "tgetent") or have_library("termcap", "tgetent") -if have_header(*curses=%w"ncurses.h") and (have_library("ncursesw", "initscr") or have_library("ncurses", "initscr")) + +curses = nil +if transact { have_header(*curses=%w"ncurses.h") and + (have_library("ncursesw", "initscr") or + have_library("ncurses", "initscr")) } make=true -elsif have_header(*curses=%w"ncurses/curses.h") and have_library("ncurses", "initscr") +elsif transact { have_header(*curses=%w"ncurses/curses.h") and + have_library("ncurses", "initscr") } make=true -elsif have_header(*curses=%w"curses_colr/curses.h") and have_library("cur_colr", "initscr") +elsif transact { have_header(*curses=%w"curses_colr/curses.h") and + have_library("cur_colr", "initscr") } curses.unshift("varargs.h") make=true -elsif have_header(*curses=%w"curses.h") and have_library("curses", "initscr") +elsif transact { have_header(*curses=%w"curses.h") and + have_library("curses", "initscr") } make=true end |