From 8f6ef36f7438c96c23c2a749250882ba94036ecb Mon Sep 17 00:00:00 2001
From: Xi Ruoyao <xry111@xry111.site>
Date: Sat, 23 Aug 2025 17:55:30 +0800
Subject: [PATCH] hostreqs: Bump minimum GCC version to 5.4

GCC-15 has bumped the C++ standard to C++14, and the required GCC
version to 5.4 because 5.3 and earlier may generate some wrong code with
C++14 and constexpr (that GCC-15 code base uses).
---
 chapter02/hostreqs.xml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/chapter02/hostreqs.xml b/chapter02/hostreqs.xml
index 29504f066..4fa09df69 100644
--- a/chapter02/hostreqs.xml
+++ b/chapter02/hostreqs.xml
@@ -74,9 +74,8 @@
     </listitem>
 
     <listitem>
-      <!-- Pass 1 GCC FTBFS with GCC-5.1 because of
-           https://gcc.gnu.org/PR65801. -->
-      <para><emphasis role="strong">GCC-5.2</emphasis> including the C++
+      <!-- See https://gcc.gnu.org/r15-4719.  -->
+      <para><emphasis role="strong">GCC-5.4</emphasis> including the C++
       compiler, <command>g++</command> (Versions greater than &gcc-version; are
       not recommended as they have not been tested). C and C++ standard
       libraries (with headers) must also be present so the C++ compiler can