--- ./src/make.defs.in.orig	2011-03-12 00:38:33.000000000 +0100
+++ ./src/make.defs.in	2012-03-13 21:31:59.000000000 +0100
@@ -16,7 +16,7 @@
 COOUT   = @COOUT@
 CEOUT   = @CEOUT@
 LDFLAGS = @LDFLAGS@
-CLIBS   = @LIBS@
+CLIBS   = @LIBS@ -lpthread
 
 #------------------------------------------------------------------------
 # SPACE  - used to force a space in the compiler executable output flag
@@ -64,7 +64,7 @@
 F77    = @F77@
 FFLAGS = @FFLAGS@ @SYSFFLAGS@
 FEOUT  = @FEOUT@
-FLIBS  = @FLIBS@
+FLIBS  = @FLIBS@ -lpthread
 
 #------------------------------------------------------------------------
 # strip command for executables - set to true if not used