diff --git a/ThirdParty/Minizip/minizip/miniunz.c b/ThirdParty/Minizip/minizip/miniunz.c
index 1931161..d7a8be1 100644
--- a/ThirdParty/Minizip/minizip/miniunz.c
+++ b/ThirdParty/Minizip/minizip/miniunz.c
@@ -45,6 +45,7 @@
 #include <time.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/stat.h>
 #include <stdarg.h>
 
 #ifdef _WIN32
@@ -107,7 +108,7 @@ void change_file_date(filename,dosdate,tmu_date)
   SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
   CloseHandle(hFile);
 #else
-#ifdef unix || __APPLE__
+#if defined(unix) || defined(__APPLE__)
   struct utimbuf ut;
   struct tm newdate;
   newdate.tm_sec = tmu_date.tm_sec;
@@ -137,7 +138,7 @@ int mymkdir(dirname)
     int ret=0;
 #ifdef _WIN32
     ret = _mkdir(dirname);
-#elif unix
+#elif 1
     ret = mkdir (dirname,0775);
 #elif __APPLE__
     ret = mkdir (dirname,0775);
diff --git a/ThirdParty/Minizip/minizip/minizip.c b/ThirdParty/Minizip/minizip/minizip.c
index e22f80d..548b6ca 100644
--- a/ThirdParty/Minizip/minizip/minizip.c
+++ b/ThirdParty/Minizip/minizip/minizip.c
@@ -101,7 +101,7 @@ uLong filetime(f, tmzip, dt)
   return ret;
 }
 #else
-#ifdef unix || __APPLE__
+#if defined(unix) || defined(__APPLE__)
 uLong filetime(f, tmzip, dt)
     char *f;               /* name of file to get info on */
     tm_zip *tmzip;         /* return value: access, modific. and creation times */
@@ -453,7 +453,7 @@ int minizip(argc,argv)
                      }
                      if( lastslash != NULL )
                      {
-                         savefilenameinzip = lastslash+1; // base filename follows last slash.
+                         savefilenameinzip = lastslash+1;
                      }
                  }