4 files changed, 9 insertions, 6 deletions
diff --git a/Swiften/StringCodecs/Base64.h b/Swiften/StringCodecs/Base64.h
index 2d67971..7d5ab51 100644
--- a/Swiften/StringCodecs/Base64.h
+++ b/Swiften/StringCodecs/Base64.h
@@ -7,13 +7,14 @@
 #pragma once
 
 #include <vector>
-
 #include <string>
+
+#include <Swiften/Base/API.h>
 #include <Swiften/Base/ByteArray.h>
 #include <Swiften/Base/SafeByteArray.h>
 
 namespace Swift {
-	class Base64 {
+	class SWIFTEN_API Base64 {
 		public:
 			static std::string encode(const ByteArray& s);
 			static SafeByteArray encode(const SafeByteArray& s);
diff --git a/Swiften/StringCodecs/Hexify.h b/Swiften/StringCodecs/Hexify.h
index c016448..3b9a751 100644
--- a/Swiften/StringCodecs/Hexify.h
+++ b/Swiften/StringCodecs/Hexify.h
@@ -6,10 +6,11 @@
 
 #pragma once
 
+#include <Swiften/Base/API.h>
 #include <Swiften/Base/ByteArray.h>
 
 namespace Swift {
-	class Hexify {
+	class SWIFTEN_API Hexify {
 		public:
 			static std::string hexify(unsigned char byte);
 			static std::string hexify(const ByteArray& data);
diff --git a/Swiften/StringCodecs/SHA1.h b/Swiften/StringCodecs/SHA1.h
index 9edcbb2..30e757c 100644
--- a/Swiften/StringCodecs/SHA1.h
+++ b/Swiften/StringCodecs/SHA1.h
@@ -13,11 +13,12 @@
 #include <vector>
 #include <boost/cstdint.hpp>
 
+#include <Swiften/Base/API.h>
 #include <Swiften/Base/ByteArray.h>
 #include <Swiften/Base/SafeByteArray.h>
 
 namespace Swift {
-	class SHA1 {
+	class SWIFTEN_API SHA1 {
 		public:
 			SHA1();
 
diff --git a/Swiften/StringCodecs/SHA1_Windows.h b/Swiften/StringCodecs/SHA1_Windows.h
index a24779f..c485040 100644
--- a/Swiften/StringCodecs/SHA1_Windows.h
+++ b/Swiften/StringCodecs/SHA1_Windows.h
@@ -12,11 +12,11 @@
 #include <security.h>
 #include <Wincrypt.h>
 
-
+#include <Swiften/Base/API.h>
 #include <Swiften/Base/SafeByteArray.h>
 
 namespace Swift {
-	class SHA1 {
+	class SWIFTEN_API SHA1 {
 		public:
 			SHA1();
 			~SHA1();