From 755569e66f7a939aa9392a79bf637d823fb78b84 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Wed, 17 Nov 2010 09:03:25 -0800
Subject: uhd: ranges symbol fix, try extern macro

---
 host/include/uhd/config.hpp       | 3 +++
 host/include/uhd/types/ranges.hpp | 4 ++--
 host/lib/types.cpp                | 7 +++++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/host/include/uhd/config.hpp b/host/include/uhd/config.hpp
index 2918c2340..043e8d884 100644
--- a/host/include/uhd/config.hpp
+++ b/host/include/uhd/config.hpp
@@ -75,13 +75,16 @@
 #ifdef UHD_DLL // defined if UHD is compiled as a DLL
     #ifdef UHD_DLL_EXPORTS // defined if we are building the UHD DLL (instead of using it)
         #define UHD_API UHD_HELPER_DLL_EXPORT
+        #define EXIMP_TEMPLATE extern
     #else
         #define UHD_API UHD_HELPER_DLL_IMPORT
+        #define EXIMP_TEMPLATE
     #endif // UHD_DLL_EXPORTS
     #define UHD_LOCAL UHD_HELPER_DLL_LOCAL
 #else // UHD_DLL is not defined: this means UHD is a static lib.
     #define UHD_API
     #define UHD_LOCAL
+    #define EXIMP_TEMPLATE
 #endif // UHD_DLL
 
 // Define force inline macro
diff --git a/host/include/uhd/types/ranges.hpp b/host/include/uhd/types/ranges.hpp
index 623bdca19..25120de40 100644
--- a/host/include/uhd/types/ranges.hpp
+++ b/host/include/uhd/types/ranges.hpp
@@ -105,11 +105,11 @@ namespace uhd{
     };
 
     //! export a symbol for the gain range type
-    template struct UHD_API meta_range_t<float>;
+    EXIMP_TEMPLATE template struct UHD_API meta_range_t<float>;
     typedef meta_range_t<float> gain_range_t;
 
     //! export a symbol for the freq range type
-    template struct UHD_API meta_range_t<double>;
+    EXIMP_TEMPLATE template struct UHD_API meta_range_t<double>;
     typedef meta_range_t<double> freq_range_t;
 
 
diff --git a/host/lib/types.cpp b/host/lib/types.cpp
index 8ccb664d5..bea20a4aa 100644
--- a/host/lib/types.cpp
+++ b/host/lib/types.cpp
@@ -21,6 +21,7 @@
 #include <uhd/types/clock_config.hpp>
 #include <uhd/types/stream_cmd.hpp>
 #include <uhd/types/metadata.hpp>
+#include <uhd/types/ranges.hpp>
 #include <uhd/types/time_spec.hpp>
 #include <uhd/types/device_addr.hpp>
 #include <uhd/types/mac_addr.hpp>
@@ -39,6 +40,12 @@
 
 using namespace uhd;
 
+/***********************************************************************
+ * ranges template instantiation
+ **********************************************************************/
+template struct uhd::meta_range_t<float>;
+template struct uhd::meta_range_t<double>;
+
 /***********************************************************************
  * tune request
  **********************************************************************/
-- 
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