diff -Naur kdebindings-4.5.1/ruby/CMakeLists.txt kdebindings-4.5.1-magellan/ruby/CMakeLists.txt
--- kdebindings-4.5.1/ruby/CMakeLists.txt	2010-08-27 10:11:01.000000000 +0200
+++ kdebindings-4.5.1-magellan/ruby/CMakeLists.txt	2010-10-11 20:55:05.000000000 +0200
@@ -74,9 +74,9 @@
             #include <ruby.h>
             int main() { ruby_init(); return 0; }" RubyCompiles)
         if(RubyCompiles)
-            if(ENABLE_KROSSRUBY AND RUBY_VERSION_MAJOR = 1 AND RUBY_VERSION_MINOR < 9)
+            if(ENABLE_KROSSRUBY AND RUBY_VERSION_MAJOR EQUAL 1 AND RUBY_VERSION_MINOR LESS 9)
                 set(BUILD_KrossRuby TRUE)
-            endif(ENABLE_KROSSRUBY AND RUBY_VERSION_MAJOR = 1 AND RUBY_VERSION_MINOR < 9)
+            endif(ENABLE_KROSSRUBY AND RUBY_VERSION_MAJOR EQUAL 1 AND RUBY_VERSION_MINOR LESS 9)
         else(RubyCompiles)
             message(STATUS "Failed to compile a C++ program that embeds ruby.")
         endif(RubyCompiles)
diff -Naur kdebindings-4.5.1/ruby/korundum/src/krubypluginfactory.cpp kdebindings-4.5.1-magellan/ruby/korundum/src/krubypluginfactory.cpp
--- kdebindings-4.5.1/ruby/korundum/src/krubypluginfactory.cpp	2010-07-07 19:11:01.000000000 +0200
+++ kdebindings-4.5.1-magellan/ruby/korundum/src/krubypluginfactory.cpp	2010-10-11 20:53:53.000000000 +0200
@@ -51,17 +51,18 @@
     VALUE info = rb_gv_get("$!");
     VALUE bt = rb_funcall(info, rb_intern("backtrace"), 0);
     VALUE message = RARRAY_PTR(bt)[0];
+    VALUE obj_string = rb_obj_as_string(info);
 
     QString errormessage = QString("%1: %2 (%3)")
-                            .arg( STR2CSTR(message) )
-                            .arg( STR2CSTR(rb_obj_as_string(info)) )
-                            .arg( rb_class2name(CLASS_OF(info)) );
+                            .arg( QString::fromLatin1(StringValuePtr(message)) )
+                            .arg( QString::fromLatin1(StringValuePtr(obj_string)) )
+                            .arg( QString::fromLatin1(rb_class2name(CLASS_OF(info))) );
     fprintf(stderr, "%s\n", errormessage.toLatin1().constData());
 
     QString tracemessage;
     for(int i = 1; i < RARRAY_LEN(bt); ++i) {
         if( TYPE(RARRAY_PTR(bt)[i]) == T_STRING ) {
-            QString s = QString("%1\n").arg( STR2CSTR(RARRAY_PTR(bt)[i]) );
+            QString s = QString("%1\n").arg( QString::fromLatin1(StringValuePtr(RARRAY_PTR(bt)[i])) );
             Q_ASSERT( ! s.isNull() );
             tracemessage += s;
             fprintf(stderr, "\t%s", s.toLatin1().constData());