diff --git a/aegisub/libaegisub/common/cajun/elements.cpp b/aegisub/libaegisub/common/cajun/elements.cpp
index a1ae1a8dd..0eb026b15 100644
--- a/aegisub/libaegisub/common/cajun/elements.cpp
+++ b/aegisub/libaegisub/common/cajun/elements.cpp
@@ -5,6 +5,8 @@ Project Webpage: http://cajun-jsonapi.sourceforge.net/
 Author: Terry Caton
 ***********************************************/
 
+#include "../../config.h"
+
 #include "libaegisub/cajun/elements.h"
 
 #include "libaegisub/cajun/visitor.h"
diff --git a/aegisub/libaegisub/common/json.cpp b/aegisub/libaegisub/common/json.cpp
index 72285aed3..e4180512c 100644
--- a/aegisub/libaegisub/common/json.cpp
+++ b/aegisub/libaegisub/common/json.cpp
@@ -18,6 +18,7 @@
 /// @brief Parse JSON files and return json::UnknownElement
 /// @ingroup libaegisub io
 
+#include "../config.h"
 
 #ifndef LAGI_PRE
 #include <fstream>
diff --git a/aegisub/libaegisub/common/log.cpp b/aegisub/libaegisub/common/log.cpp
index 9b4a202c6..95ec093f5 100644
--- a/aegisub/libaegisub/common/log.cpp
+++ b/aegisub/libaegisub/common/log.cpp
@@ -18,6 +18,8 @@
 /// @brief Logging
 /// @ingroup libaegisub
 
+#include "../config.h"
+
 #ifndef LAGI_PRE
 #include <algorithm>
 #include <cstdio>
diff --git a/aegisub/libaegisub/common/mru.cpp b/aegisub/libaegisub/common/mru.cpp
index e82c93579..3bbce29b2 100644
--- a/aegisub/libaegisub/common/mru.cpp
+++ b/aegisub/libaegisub/common/mru.cpp
@@ -18,6 +18,8 @@
 /// @brief Most Recently Used (MRU) Lists
 /// @ingroup libaegisub
 
+#include "../config.h"
+
 #include "libaegisub/cajun/writer.h"
 
 #include "libaegisub/access.h"
diff --git a/aegisub/libaegisub/common/option.cpp b/aegisub/libaegisub/common/option.cpp
index 72cb404f7..892184891 100644
--- a/aegisub/libaegisub/common/option.cpp
+++ b/aegisub/libaegisub/common/option.cpp
@@ -18,6 +18,8 @@
 /// @brief Option interface.
 /// @ingroup libaegisub
 
+#include "../config.h"
+
 #include "libaegisub/option.h"
 
 #ifndef LAGI_PRE
diff --git a/aegisub/libaegisub/common/option_visit.cpp b/aegisub/libaegisub/common/option_visit.cpp
index fd42bc366..a1216e7a8 100644
--- a/aegisub/libaegisub/common/option_visit.cpp
+++ b/aegisub/libaegisub/common/option_visit.cpp
@@ -19,6 +19,8 @@
 /// @see option_visit.h
 /// @ingroup libaegisub
 
+#include "../config.h"
+
 #include "option_visit.h"
 
 #ifndef LAGI_PRE