Upgrade Buildroot to 2025.02.8 LTS for GCC 13+ compatibility

Author: vtri950

Makefile

@@ -43,7 +43,7 @@ export GOTOOLCHAIN := go$(GO_VERSION)
 GO_K8S_VERSION_PREFIX ?= v1.35.0
 
 INSTALL_SIZE ?= $(shell du out/minikube-windows-amd64.exe | cut -f1)
-BUILDROOT_BRANCH ?= 2025.02
+BUILDROOT_BRANCH ?= 2025.02.8
 # the go version on the line below is for the ISO
 GOLANG_OPTIONS = GOWORK=off GO_VERSION=1.23.4 GO_HASH_FILE=$(PWD)/deploy/iso/minikube-iso/go.hash
 BUILDROOT_OPTIONS = BR2_EXTERNAL=../../deploy/iso/minikube-iso $(GOLANG_OPTIONS)

site/content/en/docs/contrib/building/iso.md

@@ -11,7 +11,7 @@ The minikube ISO is booted by each hypervisor to provide a stable minimal Linux
 ## Prerequisites
 
 * Machine with x86\_64 CPU
-* Ubuntu 22.04.5 LTS (Jammy Jellyfish)
+* Ubuntu 22.04.5 LTS (Jammy Jellyfish) or Fedora 43+
 * docker
 * A recent GNU Make distribution (>=4.0)
 * A recent Go distribution (>=1.22.0)
@@ -48,6 +48,8 @@ The bootable ISO image will be available in `out/minikube-<arch>.iso`.
 
 ### Building without docker
 
+#### Building on Ubuntu
+
 Install required tools:
 
 ```shell
@@ -77,6 +79,37 @@ To build without docker run:
 IN_DOCKER=1 make minikube-iso-<arch>
 ```
 
+#### Building on Fedora
+
+Install required tools:
+
+```shell
+sudo dnf install \
+    automake \
+    bc \
+    cpio \
+    gcc \
+    gcc-c++ \
+    genisoimage \
+    git \
+    gnupg2 \
+    libtool \
+    make \
+    p7zip \
+    python2 \
+    unzip \
+    wget \
+```
+
+Install Go using these instructions:
+https://go.dev/doc/install
+
+To build without docker run:
+
+```shell
+IN_DOCKER=1 make minikube-iso-<arch>
+```
+
 > [!IMPORTANT]
 > Some external projects will try to use docker even when building
 > without docker. You must install docker on the build host.