diff -ru libcaca.orig/caca/caca_internals.h libcaca/caca/caca_internals.h

--- libcaca.orig/caca/caca_internals.h	2025-05-17 18:51:29.520730829 +0200

+++ libcaca/caca/caca_internals.h	2025-05-17 19:12:43.545698624 +0200

@@ -268,7 +268,7 @@

 extern void _caca_set_term_title(char const *);

 /* Internal memory function */

-extern void *_caca_alloc2d(size_t width, size_t height, size_t elem_size);

+__extern void *_caca_alloc2d(size_t width, size_t height, size_t elem_size);

 /* Profiling functions */

 #if defined PROF

diff -ru libcaca.orig/src/common-image.c libcaca/src/common-image.c

--- libcaca.orig/src/common-image.c	2025-05-17 19:13:21.294381185 +0200

+++ libcaca/src/common-image.c	2025-05-17 19:07:40.885404413 +0200

@@ -22,6 +22,7 @@

 #endif

 #include "caca.h"

+#include "caca_internals.h"

 #include "common-image.h"