diff -ur 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/config.h 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/config.h
--- 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/config.h	2022-08-21 14:46:10.000000000 +0200
+++ 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/config.h	2023-12-19 11:59:06.813263959 +0100
@@ -22,6 +22,8 @@
 /* #undef HAVE_STRUCT_TM_TM_ZONE */
 #ifdef _WIN32
 #define HAVE_MOVEFILEEXA
+#else
+#define HAVE_UNISTD_H
 #endif
 /* #undef HAVE_STRINGS_H */
 /* #undef HAVE_UNISTD_H */
diff -ur 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/mkstemp.c 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/mkstemp.c
--- 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/mkstemp.c	2022-08-21 14:46:10.000000000 +0200
+++ 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/mkstemp.c	2023-12-19 11:48:55.459472284 +0100
@@ -40,6 +40,8 @@
 #include <fcntl.h>
 #ifdef _WIN32
 #include <io.h>
+#else
+#include <unistd.h>
 #endif
 #include <stdio.h>
 #include <stdlib.h>
diff -ur 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/zip_fdopen.c 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/zip_fdopen.c
--- 0ad-0.0.26-alpha.orig/build/premake/premake5/contrib/libzip/zip_fdopen.c	2022-08-21 14:46:10.000000000 +0200
+++ 0ad-0.0.26-alpha/build/premake/premake5/contrib/libzip/zip_fdopen.c	2023-12-19 12:06:24.709819140 +0100
@@ -35,6 +35,10 @@
 
 #include "zipint.h"
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 
 
 ZIP_EXTERN struct zip *