diff --git a/lib/libc/strptime.c b/lib/libc/strptime.c
index c15b56b909..cdc179abc3 100644
--- a/lib/libc/strptime.c
+++ b/lib/libc/strptime.c
@@ -48,6 +48,8 @@
 #define localtime_r(tp,tmp) (localtime(tp)?(*(tmp)=*localtime(tp),(tmp)):0)
 
 #include <windows.h>
+#include <stdlib.h>
+#include <malloc.h>
 
 #ifdef _MSC_VER
 /* In MSVC, the strncasecmp function is available as _strnicmp */
diff --git a/src/backend/xml/gnc-backend-xml.c b/src/backend/xml/gnc-backend-xml.c
index e05ced4550..359363bce7 100644
--- a/src/backend/xml/gnc-backend-xml.c
+++ b/src/backend/xml/gnc-backend-xml.c
@@ -52,6 +52,13 @@ typedef int ssize_t;
 # include <dirent.h>
 #endif
 #include <time.h>
+#ifdef G_OS_WIN32
+# include <io.h>
+# define close _close
+# define mktemp _mktemp
+# define read _read
+# define write _write
+#endif
 
 #include "qof.h"
 #include "TransLog.h"
diff --git a/src/backend/xml/io-gncxml-v2.c b/src/backend/xml/io-gncxml-v2.c
index 8b7cd0db2d..85a3b32ff2 100644
--- a/src/backend/xml/io-gncxml-v2.c
+++ b/src/backend/xml/io-gncxml-v2.c
@@ -48,6 +48,12 @@
 #include "sixtp-utils.h"
 #include "gnc-xml.h"
 #include "io-utils.h"
+#ifdef G_OS_WIN32
+# include <io.h>
+# define close _close
+# define fdopen _fdopen
+# define read _read
+#endif
 
 /* Do not treat -Wstrict-aliasing warnings as errors because of problems of the
  * G_LOCK* macros as declared by glib.  See
diff --git a/src/libqof/qof/qof-win32.c b/src/libqof/qof/qof-win32.c
index 1e00efa55e..6658bbfc0b 100644
--- a/src/libqof/qof/qof-win32.c
+++ b/src/libqof/qof/qof-win32.c
@@ -26,6 +26,7 @@
 #include "gnc-date-p.h"
 #include "strptime.h"
 #include <windows.h>
+#include <stdlib.h>
 
 static GHashTable *picture_to_format = NULL;
 G_LOCK_DEFINE_STATIC(picture_to_format);