diff --git a/dhcping/dhcping.patch b/dhcping/dhcping.patch
new file mode 100644
index 0000000000..d979896378
--- /dev/null
+++ b/dhcping/dhcping.patch
@@ -0,0 +1,13 @@
+--- dhcping.c.org	Tue Feb 11 15:45:12 2003
++++ dhcping.c	Wed Feb 12 09:58:14 2003
+@@ -40,6 +40,10 @@
+ #include <string.h>
+ #include <time.h>
+ 
++#ifdef NEED_SOCKLEN_T
++   typedef size_t socklen_t;
++#endif
++
+ #include "dhcp_options.h"
+ 
+ #define BUF_SIZ 256*256
diff --git a/dhcping/dhcping.spec b/dhcping/dhcping.spec
index 24b6a18aaa..befba81156 100644
--- a/dhcping/dhcping.spec
+++ b/dhcping/dhcping.spec
@@ -37,6 +37,7 @@ Release:      20020820
 
 #   list of sources
 Source0:      http://www.mavetju.org/download/dhcping-%{version}.tar.gz
+Patch0:       dhcping.patch
 
 #   build information
 Prefix:       %{l_prefix}
@@ -52,10 +53,16 @@ AutoReqProv:  no
 
 %prep
     %setup -q
+    %patch -p0
 
 %build
+    defs=""
+    case "%{l_target}" in
+         *-solaris2.6* ) defs="-DNEED_SOCKLEN_T" ;;
+         *-irix*       ) defs="-DNEED_SOCKLEN_T";;
+    esac
     CC="%{l_cc}" \
-    CFLAGS="%{l_cflags -O}" \
+    CFLAGS="%{l_cflags -O} $defs" \
     ./configure \
         --prefix=%{l_prefix}
     %{l_make} %{l_mflags -O}