Target test before gtk/glade/gtkglext check no longer required as availability of pkg-config macros is now properly done.

desmume/configure.ac

@@ -49,8 +49,6 @@ dnl - Check for the OpenGL includes
 AC_CHECK_HEADERS([GL/gl.h])
 AC_CHECK_HEADERS([GL/glu.h])
 
-case $target in
-  *linux* | *bsd* | *darwin*)
 dnl - Check for GTK and/or libglade
 AC_CHECK_TOOL(HAVE_PKG, pkg-config)
 AC_PROVIDE_IFELSE([PKG_PROG_PKG_CONFIG], [
@@ -98,8 +96,6 @@ case $target in
 if test "x$HAVE_GTKGLEXT" = "xyes"; then
    AC_DEFINE([GTKGLEXT_AVAILABLE], [1])
 fi
-    ;;
-esac
 
 dnl - Determine which UI's to build
 if test "x$HAVE_SDL" = "xyes"; then