# --- T2-COPYRIGHT-BEGIN ---
# t2/package/*/fmt/hotfix-chrono-ullong.patch
# Copyright (C) 2026 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0 or patched project license
# --- T2-COPYRIGHT-END ---

Spell out unsigned long long in write_digit2_separated(). The bare
ullong alias from base.h is not found by newer gcc in this scope
under -std=c++20, breaking consumers such as waybar.

Signed-off-by: Dennie Mahne <dennie.mahne@gmail.com>

--- fmt-12.2.0/include/fmt/chrono.h.orig	2026-06-16 07:07:48.000000000 +0200
+++ fmt-12.2.0/include/fmt/chrono.h	2026-09-29 12:31:26.551393003 +0200
@@ -543,7 +543,8 @@
 // https://johnnylee-sde.github.io/Fast-unsigned-integer-to-time-string/.
 inline void write_digit2_separated(char* buf, unsigned a, unsigned b,
                                    unsigned c, char sep) {
-  ullong digits = a | (b << 24) | (static_cast<ullong>(c) << 48);
+  unsigned long long digits =
+      a | (b << 24) | (static_cast<unsigned long long>(c) << 48);
   // Convert each value to BCD.
   // We have x = a * 10 + b and we want to convert it to BCD y = a * 16 + b.
   // The difference is
@@ -557,7 +558,7 @@
   // Put low nibbles to high bytes and high nibbles to low bytes.
   digits = ((digits & 0x00f00000f00000f0) >> 4) |
            ((digits & 0x000f00000f00000f) << 8);
-  auto usep = static_cast<ullong>(sep);
+  auto usep = static_cast<unsigned long long>(sep);
   // Add ASCII '0' to each digit byte and insert separators.
   digits |= 0x3030003030003030 | (usep << 16) | (usep << 40);