From: Julian Ospald <hasufell@gentoo.org>
Date: Wed Mar 20 21:28:23 UTC 2013
Subject: fix as-needed

https://bugs.gentoo.org/show_bug.cgi?id=462494

--- IlmBase/IlmThread/Makefile.am
+++ IlmBase/IlmThread/Makefile.am
@@ -14,7 +14,7 @@
 if LIB_SUFFIX_EXISTS
 libIlmThread_la_LDFLAGS += -release @LIB_SUFFIX@
 endif
-libIlmThread_la_LIBADD = ../Iex/libIex.la
+libIlmThread_la_LIBADD = ../Iex/libIex.la -lpthread
 
 libIlmThreadincludedir = $(includedir)/OpenEXR