diff --git a/source/nan_definitions.mk b/source/nan_definitions.mk
index 8b4d775a7c9..080ea0cc8d6 100644
--- a/source/nan_definitions.mk
+++ b/source/nan_definitions.mk
@@ -118,28 +118,29 @@ endif
       ifeq ($(FREE_WINDOWS), true)
         export NAN_PTHREADS ?= $(LCGDIR)/pthreads
         export NAN_OPENEXR ?= $(LCGDIR)/gcc/openexr
-        export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libIlmThread.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
+        export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
         export NAN_OPENEXR_INC ?= -I$(NAN_OPENEXR)/include -I$(NAN_OPENEXR)/include/OpenEXR
       else
         export NAN_OPENEXR ?= $(LCGDIR)/openexr
-        export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/IlmImf.lib $(NAN_OPENEXR)/lib/libIlmThread.lib $(NAN_OPENEXR)/lib/Half.lib $(NAN_OPENEXR)/lib/Iex.lib
+        export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/IlmImf.lib $(NAN_OPENEXR)/lib/Half.lib $(NAN_OPENEXR)/lib/Iex.lib
         export NAN_OPENEXR_INC ?= -I$(NAN_OPENEXR)/include -I$(NAN_OPENEXR)/include/IlmImf -I$(NAN_OPENEXR)/include/Imath -I$(NAN_OPENEXR)/include/Iex
       endif
     else
       ifeq ($(OS),darwin)
           export NAN_OPENEXR ?= $(LCGDIR)/openexr
 	  ifeq ($(CPU),powerpc)
-	      export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENERX)/lib/libIlmThread.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
+	      export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
 	  else
-	      export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENERX)/lib/libIlmThread.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a $(NAN_OPENEXR)/lib/libIlmThread.a
+	      export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
 	  endif
       else
         ifeq ($(OS),linux)
-          export NAN_OPENEXR ?= /usr
-	  export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libIlmThread.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
+         NAN_OPENEXR?=$(shell pkg-config --variable=prefix OpenEXR )
+         NAN_OPENEXR_INC?=$(shell pkg-config --cflags OpenEXR )
+         NAN_OPENEXR_LIBS?=$(addprefix ${NAN_OPENEXR}/lib/lib,$(addsuffix .a,$(shell pkg-config --libs OpenEXR | sed -s "s/-l//g" )))
         else
           export NAN_OPENEXR ?= /usr/local
-	  export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENERX)/lib/libIlmThread.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
+	  export NAN_OPENEXR_LIBS ?= $(NAN_OPENEXR)/lib/libIlmImf.a $(NAN_OPENEXR)/lib/libHalf.a $(NAN_OPENEXR)/lib/libIex.a
         endif
       endif
       export NAN_OPENEXR_INC ?= -I$(NAN_OPENEXR)/include -I$(NAN_OPENEXR)/include/OpenEXR