diff --git a/src/lib/Iex/CMakeLists.txt b/src/lib/Iex/CMakeLists.txt
index d10fe379ed..e72dbf0a7b 100644
--- a/src/lib/Iex/CMakeLists.txt
+++ b/src/lib/Iex/CMakeLists.txt
@@ -15,6 +15,8 @@ openexr_define_library(Iex
     IexThrowErrnoExc.h
     IexErrnoExc.h
     IexMacros.h
+    IexMathFloatExc.h
+    IexMathIeeeExc.h
     Iex.h
     IexNamespace.h
     IexExport.h
diff --git a/src/lib/Iex/IexMathFloatExc.cpp b/src/lib/Iex/IexMathFloatExc.cpp
index deae36c0fc..03abdb9dae 100644
--- a/src/lib/Iex/IexMathFloatExc.cpp
+++ b/src/lib/Iex/IexMathFloatExc.cpp
@@ -13,6 +13,7 @@
 
 #include "IexMathFloatExc.h"
 #include "IexMacros.h"
+#include "IexMathExc.h"
 #include "IexMathFpu.h"
 
 #if 0
diff --git a/src/lib/Iex/IexMathFloatExc.h b/src/lib/Iex/IexMathFloatExc.h
index 221e32f0ab..89da5aa7bf 100644
--- a/src/lib/Iex/IexMathFloatExc.h
+++ b/src/lib/Iex/IexMathFloatExc.h
@@ -9,7 +9,7 @@
 
 #include "IexExport.h"
 #include "IexNamespace.h"
-#include "IexMathExc.h"
+
 #include "IexMathIeeeExc.h"
 
 IEX_INTERNAL_NAMESPACE_HEADER_ENTER
diff --git a/src/lib/Iex/IexMathFpu.h b/src/lib/Iex/IexMathFpu.h
index 6ba86f728d..a2cd9c9dba 100644
--- a/src/lib/Iex/IexMathFpu.h
+++ b/src/lib/Iex/IexMathFpu.h
@@ -24,7 +24,7 @@ IEX_INTERNAL_NAMESPACE_HEADER_ENTER
 // setFpExceptions() defines which floating
 // point exceptions cause SIGFPE signals.
 //-----------------------------------------
-IEX_EXPORT
+
 void setFpExceptions (int when = (IEEE_OVERFLOW | IEEE_DIVZERO | IEEE_INVALID));
 
 
@@ -32,7 +32,7 @@ void setFpExceptions (int when = (IEEE_OVERFLOW | IEEE_DIVZERO | IEEE_INVALID));
 // fpExceptions() tells you which floating
 // point exceptions cause SIGFPE signals.
 //----------------------------------------
-IEX_EXPORT
+
 int fpExceptions ();
 
 
@@ -42,7 +42,7 @@ int fpExceptions ();
 //------------------------------------------
 
 extern "C" typedef void (* FpExceptionHandler) (int type, const char explanation[]);
-IEX_EXPORT
+
 void setFpExceptionHandler (FpExceptionHandler handler);
 
 // -----------------------------------------
@@ -53,7 +53,7 @@ void setFpExceptionHandler (FpExceptionHandler handler);
 // allow trapping of exception register states
 // that can get set though no SIGFPE occurs.
 // -----------------------------------------
-IEX_EXPORT
+
 void handleExceptionsSetInRegisters();