Add fedora 40

configs/components/_base-ruby-selinux.rb

@@ -78,7 +78,9 @@
 
   if ruby_version =~ /^3/
     # swig 4.1 generated interface does not need patching
-    unless platform.name =~ /^(debian-12|ubuntu-24)/
+    if (!platform.is_debian? || platform.os_version.to_i < 12) &&
+       (!platform.is_fedora? || platform.os_version.to_i < 40) &&
+       (!platform.is_ubuntu? || platform.os_version.to_i < 24)
       steps << "#{platform.patch} --strip=0 --fuzz=0 --ignore-whitespace --no-backup-if-mismatch < ../selinuxswig_ruby_wrap.patch"
     end
   end

configs/platforms/fedora-40-x86_64.rb

@@ -0,0 +1,20 @@
+platform 'fedora-40-x86_64' do |plat|
+  plat.servicedir '/usr/lib/systemd/system'
+  plat.defaultdir '/etc/sysconfig'
+  plat.servicetype 'systemd'
+  plat.dist 'fc40'
+
+  packages = %w[
+    autoconf automake bzip2-devel gcc gcc-c++ libselinux-devel
+    libsepol libsepol-devel make cmake pkgconfig readline-devel
+    rpmdevtools rsync swig zlib-devel systemtap-sdt-devel
+    perl-lib perl-FindBin
+  ]
+  plat.provision_with("/usr/bin/dnf install -y --best --allowerasing #{packages.join(' ')}")
+
+  plat.install_build_dependencies_with '/usr/bin/dnf install -y --best --allowerasing'
+
+  plat.docker_image 'fedora:40'
+  plat.docker_run_args ['--tty', '--entrypoint=/bin/sh']
+  plat.use_docker_exec true
+end

configs/projects/_shared-agent-components.rb

@@ -38,7 +38,8 @@
 proj.component 'libxml2' unless platform.is_windows?
 proj.component 'libxslt' unless platform.is_windows?
 
-proj.component 'ruby-augeas' unless platform.is_windows?
+# REMIND: gcc12 complains about invalid pointer types in ruby-augeas native extension
+proj.component 'ruby-augeas' unless platform.is_windows? || platform.name =~ /^fedora-40/
 proj.component 'ruby-shadow' unless platform.is_aix? || platform.is_windows?
 # We only build ruby-selinux for EL, Fedora, Debian and Ubuntu (amd64/i386)
 if platform.is_el? || platform.is_fedora? || platform.name =~ /debian|ubuntu/