diff --git a/Utilities/cmjsoncpp/include/json/allocator.h b/Utilities/cmjsoncpp/include/json/allocator.h
index 9c7e573aef..9562436c6c 100644
--- a/Utilities/cmjsoncpp/include/json/allocator.h
+++ b/Utilities/cmjsoncpp/include/json/allocator.h
@@ -9,7 +9,9 @@
 #include <cstring>
 #include <memory>
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(push, 8)
+#endif
 
 namespace Json {
 template<typename T>
@@ -93,6 +95,8 @@ bool operator!=(const SecureAllocator<T>&, const SecureAllocator<U>&) {
 
 } //namespace Json
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(pop)
+#endif
 
 #endif // CPPTL_JSON_ALLOCATOR_H_INCLUDED
diff --git a/Utilities/cmjsoncpp/include/json/features.h b/Utilities/cmjsoncpp/include/json/features.h
index 72eb6a8a01..365abb356d 100644
--- a/Utilities/cmjsoncpp/include/json/features.h
+++ b/Utilities/cmjsoncpp/include/json/features.h
@@ -10,7 +10,9 @@
 #include "forwards.h"
 #endif // if !defined(JSON_IS_AMALGAMATION)
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(push, 8)
+#endif
 
 namespace Json {
 
@@ -56,6 +58,8 @@ public:
 
 } // namespace Json
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(pop)
+#endif
 
 #endif // CPPTL_JSON_FEATURES_H_INCLUDED
diff --git a/Utilities/cmjsoncpp/include/json/reader.h b/Utilities/cmjsoncpp/include/json/reader.h
index f690f23cbc..01414e66db 100644
--- a/Utilities/cmjsoncpp/include/json/reader.h
+++ b/Utilities/cmjsoncpp/include/json/reader.h
@@ -23,7 +23,9 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(push, 8)
+#endif
 
 namespace Json {
 
@@ -402,7 +404,9 @@ JSON_API JSONCPP_ISTREAM& operator>>(JSONCPP_ISTREAM&, Value&);
 
 } // namespace Json
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(pop)
+#endif
 
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)
diff --git a/Utilities/cmjsoncpp/include/json/value.h b/Utilities/cmjsoncpp/include/json/value.h
index 2ee227b52c..752636035b 100644
--- a/Utilities/cmjsoncpp/include/json/value.h
+++ b/Utilities/cmjsoncpp/include/json/value.h
@@ -42,7 +42,9 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(push, 8)
+#endif
 
 /** \brief JSON (JavaScript Object Notation).
  */
@@ -878,7 +880,9 @@ template<>
 inline void swap(Json::Value& a, Json::Value& b) { a.swap(b); }
 }
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(pop)
+#endif
 
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)
diff --git a/Utilities/cmjsoncpp/include/json/writer.h b/Utilities/cmjsoncpp/include/json/writer.h
index c98bf602de..ca08a6f933 100644
--- a/Utilities/cmjsoncpp/include/json/writer.h
+++ b/Utilities/cmjsoncpp/include/json/writer.h
@@ -21,7 +21,9 @@
 #pragma warning(disable : 4251)
 #endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(push, 8)
+#endif
 
 namespace Json {
 
@@ -329,7 +331,9 @@ JSON_API JSONCPP_OSTREAM& operator<<(JSONCPP_OSTREAM&, const Value& root);
 
 } // namespace Json
 
+#if !defined(__SUNPRO_CC)
 #pragma pack(pop)
+#endif
 
 #if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
 #pragma warning(pop)