Upstream: https://gitlab.com/free-astro/siril/-/merge_requests/525
--- a/src/core/exif.h
+++ b/src/core/exif.h
@@ -20,6 +20,8 @@
 #ifndef SRC_CORE_EXIF_H_
 #define SRC_CORE_EXIF_H_
 
+#include <stdint.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
--- a/src/io/avi_pipp/pipp_avi_write_dib.h
+++ b/src/io/avi_pipp/pipp_avi_write_dib.h
@@ -1,6 +1,8 @@
 #ifndef PIPP_AVI_WRITE_DIB_H
 #define PIPP_AVI_WRITE_DIB_H
 
+#include <cstdint>
+
 #include "pipp_video_write.h"
 #include "pipp_avi_write.h"
 
--- a/src/io/avi_pipp/pipp_buffer.h
+++ b/src/io/avi_pipp/pipp_buffer.h
@@ -19,7 +19,6 @@
 #ifndef PIPP_BUFFER_H
 #define PIPP_BUFFER_H
 
-#include <cstdint>
 #include <cstdint>
 #include <cstddef>