diff --git a/bindings/ruby/.gitignore b/bindings/ruby/.gitignore
index 0bae0ccb..761edb7b 100644
--- a/bindings/ruby/.gitignore
+++ b/bindings/ruby/.gitignore
@@ -3,6 +3,7 @@ rbsigar_generated.rx
 mkmf.log
 *.o
 *.so
+*.sl
 *.bundle
 *.obj
 *.def
@@ -17,3 +18,4 @@ get_mib2.c
 kstats.c
 procfs.c
 peb.c
+dlpi.c
diff --git a/bindings/ruby/extconf.rb b/bindings/ruby/extconf.rb
index b154ea41..3ed3f0c9 100644
--- a/bindings/ruby/extconf.rb
+++ b/bindings/ruby/extconf.rb
@@ -45,6 +45,8 @@ when /solaris|sun/
   have_library("kstat")
 when /hpux/
   os = 'hpux'
+  #XXX have_libary no workie on hpux?
+  $LDFLAGS += ' -lnsl -lnm'
 when /aix/
   os = 'aix'
   have_library("odm")