diff -uNr openexr-1.4.0/exrheader/Makefile.am openexr-1.4.0-new/exrheader/Makefile.am
--- openexr-1.4.0/exrheader/Makefile.am	2006-06-06 03:54:28 +0400
+++ openexr-1.4.0-new/exrheader/Makefile.am	2008-03-01 00:44:36 +0300
@@ -12,7 +12,8 @@
 	$(top_builddir)/Iex/libIex.la \
 	$(top_builddir)/Half/libHalf.la \
 	$(top_builddir)/IlmThread/libIlmThread.la \
-	-lz
+	-lz -lpthread
+
 
 exrheader_SOURCES = main.cpp