--- ../configure.ac	2026-09-23 22:02:22.378205235 +0300
+++ ../configure.ac	2026-09-23 22:03:12.642581629 +0300
@@ -627,7 +627,8 @@
     mc_saved_LIBS="$LIBS"
     LIBS="$LIBS -lz"
     AC_MSG_CHECKING([for inflateInit_ in -lz])
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <zlib.h>]],
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <string.h>
+#include <zlib.h>]],
                                     [[z_stream z; memset (&z, 0, sizeof (z));
                                       inflateInit (&z); inflateEnd (&z);]])],
         [AC_MSG_RESULT([yes])