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-rw-r--r--ext/readline/extconf.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/readline/extconf.rb b/ext/readline/extconf.rb
index b883de3e01..d8d8643d08 100644
--- a/ext/readline/extconf.rb
+++ b/ext/readline/extconf.rb
@@ -1,5 +1,8 @@
require "mkmf"
+dir_config('curses')
+dir_config('ncurses')
+dir_config('termcap')
dir_config("readline")
have_library("user32", nil) if /cygwin/ === RUBY_PLATFORM
have_library("ncurses", "tgetnum") or