--- din-1.9/configure.ac	2011-11-15 11:22:42.000000000 +0000
+++ din-1.9.new/configure.ac	2011-11-16 12:41:31.744285706 +0000
@@ -3,8 +3,8 @@
 AC_CONFIG_SRCDIR([configure.ac])
 AC_PROG_CXX
 AC_CHECK_HEADERS([GL/gl.h],AC_MSG_NOTICE([+++ Found OpenGL +++]),[AC_MSG_ERROR([!!! Please install OpenGL !!!])])
-AC_CHECK_HEADERS([tcl.h] [tcl8.5/tcl.h],AC_MSG_NOTICE([+++ Found Tcl 8.5 +++]),[AC_MSG_WARN([!!! Is Tcl 8.5 installed? !!!])])
-AC_CHECK_HEADERS([libircclient/libircclient.h],,[AC_MSG_ERROR([!!! Please install libircclient !!!])])
+AC_CHECK_HEADERS([tcl.h] [tcl.h],AC_MSG_NOTICE([+++ Found Tcl 8.5 +++]),[AC_MSG_WARN([!!! Is Tcl 8.5 installed? !!!])])
+AC_CHECK_HEADERS([libircclient.h],,[AC_MSG_ERROR([!!! Please install libircclient !!!])])
 PKG_CHECK_MODULES([liblo], [liblo])
 PKG_CHECK_MODULES([jack], [jack])
 PKG_CHECK_MODULES([fftw3f], [fftw3f])