3 files changed, 15 insertions, 9 deletions
diff --git a/logic/updater/DownloadTask.h b/logic/updater/DownloadTask.h
index d77c2b2c..83b4a142 100644
--- a/logic/updater/DownloadTask.h
+++ b/logic/updater/DownloadTask.h
@@ -19,13 +19,15 @@
 #include "net/NetJob.h"
 #include "GoUpdate.h"
 
+#include "multimc_logic_export.h"
+
 namespace GoUpdate
 {
 /*!
  * The DownloadTask is a task that takes a given version ID and repository URL,
  * downloads that version's files from the repository, and prepares to install them.
  */
-class DownloadTask : public Task
+class MULTIMC_LOGIC_EXPORT DownloadTask : public Task
 {
 	Q_OBJECT
 
diff --git a/logic/updater/GoUpdate.h b/logic/updater/GoUpdate.h
index 479f1eeb..b8a534de 100644
--- a/logic/updater/GoUpdate.h
+++ b/logic/updater/GoUpdate.h
@@ -2,13 +2,15 @@
 #include <QByteArray>
 #include <net/NetJob.h>
 
+#include "multimc_logic_export.h"
+
 namespace GoUpdate
 {
 
 /**
  * A temporary object exchanged between updated checker and the actual update task
  */
-struct Status
+struct MULTIMC_LOGIC_EXPORT Status
 {
 	bool updateAvailable = false;
 
@@ -25,7 +27,7 @@ struct Status
 /**
  * Struct that describes an entry in a VersionFileEntry's `Sources` list.
  */
-struct FileSource
+struct MULTIMC_LOGIC_EXPORT FileSource
 {
 	FileSource(QString type, QString url, QString compression="")
 	{
@@ -48,7 +50,7 @@ typedef QList<FileSource> FileSourceList;
 /**
  * Structure that describes an entry in a GoUpdate version's `Files` list.
  */
-struct VersionFileEntry
+struct MULTIMC_LOGIC_EXPORT VersionFileEntry
 {
 	QString path;
 	int mode;
@@ -64,7 +66,7 @@ typedef QList<VersionFileEntry> VersionFileList;
 /**
  * Structure that describes an operation to perform when installing updates.
  */
-struct Operation
+struct MULTIMC_LOGIC_EXPORT Operation
 {
 	static Operation CopyOp(QString fsource, QString fdest, int fmode=0644)
 	{
@@ -102,13 +104,13 @@ typedef QList<Operation> OperationList;
 /**
  * Loads the file list from the given version info JSON object into the given list.
  */
-bool parseVersionInfo(const QByteArray &data, VersionFileList& list, QString &error);
+bool MULTIMC_LOGIC_EXPORT parseVersionInfo(const QByteArray &data, VersionFileList& list, QString &error);
 
 /*!
  * Takes a list of file entries for the current version's files and the new version's files
  * and populates the downloadList and operationList with information about how to download and install the update.
  */
-bool processFileLists
+bool MULTIMC_LOGIC_EXPORT processFileLists
 (
 	const VersionFileList &currentVersion,
 	const VersionFileList &newVersion,
@@ -125,7 +127,7 @@ bool processFileLists
  *
  * @return false if the path couldn't be fixed (is invalid)
  */
-bool fixPathForOSX(QString &path);
+bool MULTIMC_LOGIC_EXPORT fixPathForOSX(QString &path);
 
 }
 Q_DECLARE_METATYPE(GoUpdate::Status);
 \ No newline at end of file
diff --git a/logic/updater/UpdateChecker.h b/logic/updater/UpdateChecker.h
index 39ccd138..c7fad10e 100644
--- a/logic/updater/UpdateChecker.h
+++ b/logic/updater/UpdateChecker.h
@@ -20,7 +20,9 @@
 
 #include <QUrl>
 
-class UpdateChecker : public QObject
+#include "multimc_logic_export.h"
+
+class MULTIMC_LOGIC_EXPORT UpdateChecker : public QObject
 {
 	Q_OBJECT