From: ts Date: 2001-08-16T19:37:47+09:00 Subject: [ruby-talk:19884] Re: Compiling Ruby with cygwin and Tk support >>>>> "M" == Manuel Zabelt writes: M> The tcl.h and tk.h file both rest in /usr/include. M> Why the heck is tcl.h found and tk.h isn't? run extconf.rb with $DEBUG = true, to see what command ruby is trying to do. It will call cpp on this file pigeon% cat conftest.c #include pigeon% Guy Decoux