diff --git a/libsmi-flex.patch b/libsmi-flex.patch
new file mode 100644
index 0000000..e754e7b
--- /dev/null
+++ b/libsmi-flex.patch
@@ -0,0 +1,26 @@
+Index: libsmi-0.4.8/lib/scanner-smi.h
+===================================================================
+--- libsmi-0.4.8.orig/lib/scanner-smi.h
++++ libsmi-0.4.8/lib/scanner-smi.h
+@@ -21,7 +21,7 @@
+ #define YY_NO_UNPUT
+ 
+ extern char *yytext;
+-extern int yyleng;
++extern size_t yyleng;
+ 
+ extern int smiEnterLexRecursion(FILE *file);
+ extern void smiLeaveLexRecursion();
+Index: libsmi-0.4.8/lib/scanner-sming.h
+===================================================================
+--- libsmi-0.4.8.orig/lib/scanner-sming.h
++++ libsmi-0.4.8/lib/scanner-sming.h
+@@ -21,7 +21,7 @@
+ #define YY_NO_UNPUT
+ 
+ extern char *yytext;
+-extern int yyleng;
++extern size_t yyleng;
+ 
+ extern int smingEnterLexRecursion(FILE *file);
+ extern void smingLeaveLexRecursion();
diff --git a/libsmi.changes b/libsmi.changes
index 73b04c3..2a191b3 100644
--- a/libsmi.changes
+++ b/libsmi.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov 13 10:46:32 UTC 2012 - idonmez@suse.com
+
+- Add libsmi-flex.patch: yyleng should be type of size_t 
+
 -------------------------------------------------------------------
 Wed Nov 23 09:21:39 UTC 2011 - coolo@suse.com
 
diff --git a/libsmi.spec b/libsmi.spec
index e2a17f2..65c08e9 100644
--- a/libsmi.spec
+++ b/libsmi.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libsmi
 #
-# Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -15,22 +15,23 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
-
 
 Name:           libsmi
 Version:        0.4.8
-Release:        2
-Group:          System/Libraries
-License:        MIT
+Release:        0
 Url:            http://www.ibr.cs.tu-bs.de/projects/libsmi
 Summary:        A Library to Access SMI MIB Information
+License:        MIT
+Group:          System/Libraries
 Source:         %{name}-%{version}.tar.gz
 Patch0:         libsmi-0.4.8-parser.patch
 Patch1:         libsmi-0.4.8-gnu-source.patch
 Patch2:         libsmi-CVE-2010-2891.patch
+Patch3:         libsmi-flex.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-BuildRequires:  bison flex libtool
+BuildRequires:  bison
+BuildRequires:  flex
+BuildRequires:  libtool
 
 %description
 The purpose of libsmi is to
@@ -44,22 +45,15 @@ The purpose of libsmi is to
 * Allow addition of new kinds of MIB repositories without the need to
 adapt applications that make use of libsmi
 
-
-
-Authors:
---------
-    Frank Strauss <strauss@ibr.cs.tu-bs.de>
-
 %package devel
-License:        MIT
 Summary:        Libsmi Header Files And Static Libraries
 Group:          Development/Libraries/C and C++
-Requires:       %{name} = %{version} glibc-devel
+Requires:       %{name} = %{version}
+Requires:       glibc-devel
 
 %package -n libsmi2
-License:        MIT
-Group:          System/Libraries  
 Summary:        Libsmi Shared Libraries
+Group:          System/Libraries  
 Requires:       %{name} = %{version}
 
 %description -n libsmi2
@@ -74,48 +68,37 @@ The purpose of libsmi is to
 * Allow addition of new kinds of MIB repositories without the need to
 adapt applications that make use of libsmi
 
-
-
-Authors:
---------
-    Frank Strauss <strauss@ibr.cs.tu-bs.de>
-
 %description devel
 This package contains the header files and static libraries of package
 libsmi.
 
-
-
-Authors:
---------
-    Frank Strauss <strauss@ibr.cs.tu-bs.de>
-
 %prep
 %setup -q
 %patch0 -p1
 %patch1 -p1
 %patch2
+%if 0%{?suse_version} > 1220
+%patch3 -p1
+%endif
 
 %build
 autoreconf --force --install
-%configure --disable-static --with-pic --enable-smi \
-	--enable-sming \
-	--with-mibdir=%{_datadir}/mibs
+%configure --disable-static \
+           --with-pic --enable-smi \
+	       --enable-sming \
+	       --with-mibdir=%{_datadir}/mibs
 
-%{__make} %{?jobs:-j%jobs}
+make %{?_smp_mflags}
 
 %install
 make install DESTDIR=%buildroot
 
-%{__rm} -f %{buildroot}%{_libdir}/*.la
+rm -f %{buildroot}%{_libdir}/*.la
 
 %post -n libsmi2 -p /sbin/ldconfig
 
 %postun -n libsmi2 -p /sbin/ldconfig
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 %files
 %defattr(-, root, root)
 %doc ANNOUNCE COPYING ChangeLog README THANKS TODO doc/*.txt