https://github.com/termux/termux-packages/issues/15852

--- a/operations/common-gpl3+/mosaic.c
+++ b/operations/common-gpl3+/mosaic.c
@@ -24,6 +24,7 @@
  */
 
 #include "config.h"
+#include <strings.h>
 #include <glib/gi18n-lib.h>
 
 #ifdef GEGL_PROPERTIES
--- a/operations/common/ctx/ctx.h
+++ b/operations/common/ctx/ctx.h
@@ -47,6 +47,7 @@
 
 #include <stdint.h>
 #include <string.h>
+#include <strings.h>
 #include <stdio.h>
 
 typedef struct _Ctx            Ctx;