From c04bd03a68ed0582c3522401e8c7e5ae94c7bfde Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sat, 18 Jan 2025 13:49:36 +0100
Subject: [PATCH] Fix build with -std=gnu23

Gcc 15 defaults to gnu23, which makes bool a native type, so
it cannot be redefined like this.
---
 src/calibre/ebooks/djvu/bzzdecoder.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/ebooks/djvu/bzzdecoder.c b/src/calibre/ebooks/djvu/bzzdecoder.c
index d74a8ddc02..ac27af7fed 100644
--- a/src/calibre/ebooks/djvu/bzzdecoder.c
+++ b/src/calibre/ebooks/djvu/bzzdecoder.c
@@ -21,7 +21,9 @@
 #define STRFY2(x) STRFY(x)
 #define CORRUPT PyErr_SetString(PyExc_ValueError, "Corrupt bitstream at line: " STRFY2(__LINE__))
 
+#if __STDC_VERSION__ < 202311L
 typedef uint8_t bool;
+#endif
 
 typedef struct Table {
     uint16_t p;