diff --git a/makefile.am b/makefile.am
index d24e337..0110c69 100644
--- a/makefile.am
+++ b/makefile.am
@@ -9,6 +9,9 @@
 ## @license LGPL, see file <a href="license.html">COPYING</a>
 ##
 ## $Log$
+## Revision 1.17  2005/02/08 12:34:14  marc
+## added errno / unix_error
+##
 ## Revision 1.16  2005/01/07 00:37:10  marc
 ## config file handler and file
 ##
@@ -67,7 +70,7 @@ nobase_include_HEADERS = mrw/arg.hpp        mrw/list.hpp \
                          mrw/exception.hpp  mrw/multiset.hpp  mrw/stdext.hpp \
                          mrw/exec.hpp       mrw/set.hpp       mrw/string.hpp \
 			 mrw/regexp.hpp     mrw/tokenizer.hpp \
-			 mrw/configfile.hpp mrw/file.hpp
+			 mrw/configfile.hpp mrw/file.hpp      mrw/errno.hpp
 infosdir = ${pkgdatadir}
 infos_DATA = AUTHORS NEWS README COPYING INSTALL ChangeLog \
              @PACKAGENAME@.spec
diff --git a/mrw/exception.hpp b/mrw/exception.hpp
index b1baa81..c3133a9 100644
--- a/mrw/exception.hpp
+++ b/mrw/exception.hpp
@@ -9,6 +9,9 @@
     @license LGPL, see file <a href="license.html">COPYING</a>
 
     $Log$
+    Revision 1.10  2005/02/08 12:34:14  marc
+    added errno / unix_error
+
     Revision 1.9  2005/01/28 12:18:37  marc
     workaround for doxygen warning (doxygen misinterpreted class forward declaration)
 
@@ -174,6 +177,7 @@ call of fn0 successful
           mrw_overflow_error [label="mrw::overflow_error" URL="\ref mrw::overflow_error"];
           mrw_range_error [label="mrw::range_error" URL="\ref mrw::range_error"];
           mrw_underflow_error [label="mrw::underflow_error" URL="\ref mrw::underflow_error"];
+          mrw_unix_error [label="mrw::unix_error" URL="\ref mrw::unix_error"];
           mrw_bad_exception [label="mrw::bad_exception" URL="\ref mrw::bad_exception"];
           mrw_bad_typeid [label="mrw::bad_typeid" URL="\ref mrw::bad_typeid"];
 
@@ -203,6 +207,7 @@ call of fn0 successful
           mrw_runtime_error -> mrw_overflow_error;
           mrw_runtime_error -> mrw_range_error;
           mrw_runtime_error -> mrw_underflow_error;
+          mrw_runtime_error -> mrw_unix_error;
           mrw_exception -> mrw_bad_exception;
           mrw_exception -> mrw_bad_typeid;
           
diff --git a/mrw/makefile.am b/mrw/makefile.am
index 3192ccd..c0eac78 100644
--- a/mrw/makefile.am
+++ b/mrw/makefile.am
@@ -9,6 +9,9 @@
 ## @license LGPL, see file <a href="license.html">COPYING</a>
 ##
 ## $Log$
+## Revision 1.21  2005/02/08 12:34:14  marc
+## added errno / unix_error
+##
 ## Revision 1.20  2005/01/28 11:22:32  marc
 ## cppunit flags
 ##
@@ -100,7 +103,8 @@ endif
 #                    set.hpp simpletrace.hpp \
 #                    smartpointer.hpp stdext.cpp stdext.hpp \
 #                    string.hpp unistd.hpp vector.hpp regexp.hpp regexp.cpp \
-#                    tokenizer.hpp configfile.hpp configfile.cpp file.hpp
+#                    tokenizer.hpp configfile.hpp configfile.cpp file.hpp \
+#                    errno.hpp errno.cpp
 #else
   libmrw_la_SOURCES = \
                     mrw.hpp version.cpp \
@@ -111,7 +115,8 @@ endif
                     set.hpp simpletrace.hpp \
                     smartpointer.hpp stdext.cpp stdext.hpp \
                     string.hpp unistd.hpp vector.hpp regexp.hpp regexp.cpp \
-		    tokenizer.hpp configfile.hpp configfile.cpp file.hpp
+		    tokenizer.hpp configfile.hpp configfile.cpp file.hpp \
+		    errno.hpp errno.cpp
 #endif
 if HAVE_STACKTRACE
 #if TRACER