diff --git a/libdnet-shrext.patch b/libdnet-shrext.patch
new file mode 100644
index 0000000..6d8df23
--- /dev/null
+++ b/libdnet-shrext.patch
@@ -0,0 +1,327 @@
+diff -urN libdnet-1.12/configure libdnet-1.12-patched/configure
+--- libdnet-1.12/configure	2007-01-20 05:39:54.000000000 -0600
++++ libdnet-1.12-patched/configure	2007-02-15 09:06:27.000000000 -0600
+@@ -7053,7 +7053,7 @@
+       # Tell ltmain to make .lib files, not .a files.
+       libext=lib
+       # Tell ltmain to make .dll files, not .so files.
+-      shrext=".dll"
++      shrext_cmds=".dll"
+       # FIXME: Setting linknames here is a bad hack.
+       archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
+       # The linker will automatically build a .lib file if we build a DLL.
+@@ -7580,7 +7580,7 @@
+ library_names_spec=
+ libname_spec='lib$name'
+ soname_spec=
+-shrext=".so"
++shrext_cmds=".so"
+ postinstall_cmds=
+ postuninstall_cmds=
+ finish_cmds=
+@@ -7693,7 +7693,7 @@
+ 
+ cygwin* | mingw* | pw32*)
+   version_type=windows
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_version=no
+   need_lib_prefix=no
+ 
+@@ -7761,7 +7761,7 @@
+   soname_spec='${libname}${release}${major}$shared_ext'
+   shlibpath_overrides_runpath=yes
+   shlibpath_var=DYLD_LIBRARY_PATH
+-  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
++  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
+   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
+   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
+   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
+@@ -7830,7 +7830,7 @@
+   need_version=no
+   case "$host_cpu" in
+   ia64*)
+-    shrext='.so'
++    shrext_cmds='.so'
+     hardcode_into_libs=yes
+     dynamic_linker="$host_os dld.so"
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -7845,7 +7845,7 @@
+     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+     ;;
+    hppa*64*)
+-     shrext='.sl'
++     shrext_cmds='.sl'
+      hardcode_into_libs=yes
+      dynamic_linker="$host_os dld.sl"
+      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+@@ -7856,7 +7856,7 @@
+      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+      ;;
+    *)
+-    shrext='.sl'
++    shrext_cmds='.sl'
+     dynamic_linker="$host_os dld.sl"
+     shlibpath_var=SHLIB_PATH
+     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+@@ -7992,7 +7992,7 @@
+ 
+ os2*)
+   libname_spec='$name'
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_lib_prefix=no
+   library_names_spec='$libname${shared_ext} $libname.a'
+   dynamic_linker='OS/2 ld.exe'
+@@ -9201,7 +9201,7 @@
+ libext="$libext"
+ 
+ # Shared library suffix (normally ".so").
+-shrext='$shrext'
++shrext_cmds='$shrext_cmds'
+ 
+ # Executable file suffix (normally "").
+ exeext="$exeext"
+@@ -11257,7 +11257,7 @@
+ library_names_spec=
+ libname_spec='lib$name'
+ soname_spec=
+-shrext=".so"
++shrext_cmds=".so"
+ postinstall_cmds=
+ postuninstall_cmds=
+ finish_cmds=
+@@ -11370,7 +11370,7 @@
+ 
+ cygwin* | mingw* | pw32*)
+   version_type=windows
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_version=no
+   need_lib_prefix=no
+ 
+@@ -11438,7 +11438,7 @@
+   soname_spec='${libname}${release}${major}$shared_ext'
+   shlibpath_overrides_runpath=yes
+   shlibpath_var=DYLD_LIBRARY_PATH
+-  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
++  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
+   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
+   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
+   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
+@@ -11507,7 +11507,7 @@
+   need_version=no
+   case "$host_cpu" in
+   ia64*)
+-    shrext='.so'
++    shrext_cmds='.so'
+     hardcode_into_libs=yes
+     dynamic_linker="$host_os dld.so"
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -11522,7 +11522,7 @@
+     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+     ;;
+    hppa*64*)
+-     shrext='.sl'
++     shrext_cmds='.sl'
+      hardcode_into_libs=yes
+      dynamic_linker="$host_os dld.sl"
+      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+@@ -11533,7 +11533,7 @@
+      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+      ;;
+    *)
+-    shrext='.sl'
++    shrext_cmds='.sl'
+     dynamic_linker="$host_os dld.sl"
+     shlibpath_var=SHLIB_PATH
+     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+@@ -11669,7 +11669,7 @@
+ 
+ os2*)
+   libname_spec='$name'
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_lib_prefix=no
+   library_names_spec='$libname${shared_ext} $libname.a'
+   dynamic_linker='OS/2 ld.exe'
+@@ -12751,7 +12751,7 @@
+ libext="$libext"
+ 
+ # Shared library suffix (normally ".so").
+-shrext='$shrext'
++shrext_cmds='$shrext_cmds'
+ 
+ # Executable file suffix (normally "").
+ exeext="$exeext"
+@@ -13832,7 +13832,7 @@
+       # Tell ltmain to make .lib files, not .a files.
+       libext=lib
+       # Tell ltmain to make .dll files, not .so files.
+-      shrext=".dll"
++      shrext_cmds=".dll"
+       # FIXME: Setting linknames here is a bad hack.
+       archive_cmds_F77='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
+       # The linker will automatically build a .lib file if we build a DLL.
+@@ -14359,7 +14359,7 @@
+ library_names_spec=
+ libname_spec='lib$name'
+ soname_spec=
+-shrext=".so"
++shrext_cmds=".so"
+ postinstall_cmds=
+ postuninstall_cmds=
+ finish_cmds=
+@@ -14472,7 +14472,7 @@
+ 
+ cygwin* | mingw* | pw32*)
+   version_type=windows
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_version=no
+   need_lib_prefix=no
+ 
+@@ -14540,7 +14540,7 @@
+   soname_spec='${libname}${release}${major}$shared_ext'
+   shlibpath_overrides_runpath=yes
+   shlibpath_var=DYLD_LIBRARY_PATH
+-  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
++  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
+   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
+   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
+   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
+@@ -14609,7 +14609,7 @@
+   need_version=no
+   case "$host_cpu" in
+   ia64*)
+-    shrext='.so'
++    shrext_cmds='.so'
+     hardcode_into_libs=yes
+     dynamic_linker="$host_os dld.so"
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -14624,7 +14624,7 @@
+     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+     ;;
+    hppa*64*)
+-     shrext='.sl'
++     shrext_cmds='.sl'
+      hardcode_into_libs=yes
+      dynamic_linker="$host_os dld.sl"
+      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+@@ -14635,7 +14635,7 @@
+      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+      ;;
+    *)
+-    shrext='.sl'
++    shrext_cmds='.sl'
+     dynamic_linker="$host_os dld.sl"
+     shlibpath_var=SHLIB_PATH
+     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+@@ -14771,7 +14771,7 @@
+ 
+ os2*)
+   libname_spec='$name'
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_lib_prefix=no
+   library_names_spec='$libname${shared_ext} $libname.a'
+   dynamic_linker='OS/2 ld.exe'
+@@ -15047,7 +15047,7 @@
+ libext="$libext"
+ 
+ # Shared library suffix (normally ".so").
+-shrext='$shrext'
++shrext_cmds='$shrext_cmds'
+ 
+ # Executable file suffix (normally "").
+ exeext="$exeext"
+@@ -16130,7 +16130,7 @@
+       # Tell ltmain to make .lib files, not .a files.
+       libext=lib
+       # Tell ltmain to make .dll files, not .so files.
+-      shrext=".dll"
++      shrext_cmds=".dll"
+       # FIXME: Setting linknames here is a bad hack.
+       archive_cmds_GCJ='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
+       # The linker will automatically build a .lib file if we build a DLL.
+@@ -16657,7 +16657,7 @@
+ library_names_spec=
+ libname_spec='lib$name'
+ soname_spec=
+-shrext=".so"
++shrext_cmds=".so"
+ postinstall_cmds=
+ postuninstall_cmds=
+ finish_cmds=
+@@ -16770,7 +16770,7 @@
+ 
+ cygwin* | mingw* | pw32*)
+   version_type=windows
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_version=no
+   need_lib_prefix=no
+ 
+@@ -16838,7 +16838,7 @@
+   soname_spec='${libname}${release}${major}$shared_ext'
+   shlibpath_overrides_runpath=yes
+   shlibpath_var=DYLD_LIBRARY_PATH
+-  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
++  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
+   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
+   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
+   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
+@@ -16907,7 +16907,7 @@
+   need_version=no
+   case "$host_cpu" in
+   ia64*)
+-    shrext='.so'
++    shrext_cmds='.so'
+     hardcode_into_libs=yes
+     dynamic_linker="$host_os dld.so"
+     shlibpath_var=LD_LIBRARY_PATH
+@@ -16922,7 +16922,7 @@
+     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+     ;;
+    hppa*64*)
+-     shrext='.sl'
++     shrext_cmds='.sl'
+      hardcode_into_libs=yes
+      dynamic_linker="$host_os dld.sl"
+      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+@@ -16933,7 +16933,7 @@
+      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+      ;;
+    *)
+-    shrext='.sl'
++    shrext_cmds='.sl'
+     dynamic_linker="$host_os dld.sl"
+     shlibpath_var=SHLIB_PATH
+     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+@@ -17069,7 +17069,7 @@
+ 
+ os2*)
+   libname_spec='$name'
+-  shrext=".dll"
++  shrext_cmds=".dll"
+   need_lib_prefix=no
+   library_names_spec='$libname${shared_ext} $libname.a'
+   dynamic_linker='OS/2 ld.exe'
+@@ -18151,7 +18151,7 @@
+ libext="$libext"
+ 
+ # Shared library suffix (normally ".so").
+-shrext='$shrext'
++shrext_cmds='$shrext_cmds'
+ 
+ # Executable file suffix (normally "").
+ exeext="$exeext"
+@@ -18595,7 +18595,7 @@
+ libext="$libext"
+ 
+ # Shared library suffix (normally ".so").
+-shrext='$shrext'
++shrext_cmds='$shrext_cmds'
+ 
+ # Executable file suffix (normally "").
+ exeext="$exeext"
diff --git a/libdnet.spec b/libdnet.spec
index f5d5e83..080abe8 100644
--- a/libdnet.spec
+++ b/libdnet.spec
@@ -2,7 +2,7 @@ Summary:	Simple portable interface to lowlevel networking routines
 Name:		libdnet
 
 Version:	1.12
-Release:	1%{?dist}
+Release:	6%{?dist}
 
 License:	BSD
 Group:		System Environment/Libraries