dev-ruby/ffi: backport fix for >=ruby30 & non-pre-generated types.conf

Only shows up on e.g. HPPA or other platforms w/o a pre-generated types.conf.

Signed-off-by: Sam James <sam@gentoo.org>

dev-ruby/ffi/ffi-1.15.5-r1.ebuild

@@ -18,23 +18,23 @@ inherit ruby-fakegem toolchain-funcs
 
 DESCRIPTION="Ruby extension for programmatically loading dynamic libraries"
 HOMEPAGE="https://wiki.github.com/ffi/ffi"
-
 SRC_URI="https://github.com/${PN}/${PN}/archive/v${PV}.tar.gz -> ${PN}-git-${PV}.tgz"
 
-IUSE=""
 LICENSE="BSD"
 SLOT="0"
 KEYWORDS="amd64 arm arm64 ~hppa ~loong ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-PATCHES=(
-	"${FILESDIR}/backport-pr-962.patch"
-	"${FILESDIR}/pr-957-sparc.patch" # submitted upstream as https://github.com/ffi/ffi/pull/957
-)
 
 RDEPEND+=" dev-libs/libffi:="
 DEPEND+=" dev-libs/libffi:="
 
 ruby_add_bdepend "dev-ruby/rake"
 
+PATCHES=(
+	"${FILESDIR}/backport-pr-962.patch"
+	"${FILESDIR}/pr-957-sparc.patch" # submitted upstream as https://github.com/ffi/ffi/pull/957
+	"${FILESDIR}/fix-regenerate-types-conf.patch"
+)
+
 all_ruby_prepare() {
 	sed -i -e '/tasks/ s:^:#:' \
 		-e '/Gem::Tasks/,/end/ s:^:#:' Rakefile || die

dev-ruby/ffi/files/fix-regenerate-types-conf.patch

@@ -0,0 +1,23 @@
+https://github.com/ffi/ffi/commit/19348fe09e1aeb08424abdf331c3497159139f20
+
+From 19348fe09e1aeb08424abdf331c3497159139f20 Mon Sep 17 00:00:00 2001
+From: matoro <matoro@users.noreply.github.com>
+Date: Tue, 14 Mar 2023 21:03:33 -0400
+Subject: [PATCH] Update gen/Rakefile for Ruby 3 compat
+
+Ruby 3 changed the 'mode' argument from an option hash to keyword
+argument.  This change is backwards-compatible with Ruby 2.
+
+See: https://github.com/ruby/fileutils/commit/482de6d397742526d1111576e2791f9b7051e3c0
+--- a/gen/Rakefile
++++ b/gen/Rakefile
+@@ -9,7 +9,7 @@ logfile = File.join(File.dirname(__FILE__), 'log')
+ 
+ file types_conf do |task|
+   options = {}
+-  FileUtils.mkdir_p(File.dirname(task.name), { :mode => 0755 })
++  FileUtils.mkdir_p(File.dirname(task.name), mode: 0755)
+   File.open(task.name, File::CREAT|File::TRUNC|File::RDWR, 0644) do |f|
+     f.puts FFI::TypesGenerator.generate(options)
+   end
+