--- Makefile.in.orig	2013-09-27 09:51:48.646667442 -0400
+++ Makefile.in	2013-09-27 09:52:22.026603184 -0400
@@ -36,7 +36,7 @@
 CXX = @CXX@
 CXXFLAGS = @CXXFLAGS@
 CPPFLAGS = @CPPFLAGS@
-LDFLAGS = @LDFLAGS@
+LDFLAGS = @LDFLAGS@ @PTHREAD_CFLAGS@
 
 ### Variables: ###