dev-perl/EV: fix build w/ perl-5.42

Closes: https://bugs.gentoo.org/959141
Signed-off-by: Sam James <sam@gentoo.org>

dev-perl/EV/EV-4.340.0.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -18,10 +18,13 @@ RDEPEND="
 "
 BDEPEND="
 	${RDEPEND}
-	virtual/perl-ExtUtils-MakeMaker
 	dev-perl/Canary-Stability
 "
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.34-perl-5.42.patch
+)
+
 src_compile() {
 	# See bug #855869 and its large number of dupes in bundled libev copies.
 	filter-lto

dev-perl/EV/files/EV-4.34-perl-5.42.patch

@@ -0,0 +1,17 @@
+https://bugs.gentoo.org/959141
+https://github.com/Perl/perl5/issues/22353#issuecomment-2907796786
+--- a/typemap
++++ b/typemap
+@@ -37,9 +37,9 @@ T_LOOP
+ 
+ T_WATCHER
+ 	if (!(SvROK ($arg) && SvOBJECT (SvRV ($arg))
+-              && (SvSTASH (SvRV ($arg)) == stash_" . ($type =~ /ev_(\S+)/, "$1") . "
+-                  || sv_derived_from ($arg, \"EV::" . ($type =~ /ev_(\S+)/, ucfirst "$1") . "\"))))
+-          croak (\"object is not of type EV::" . ($type =~ /ev_(\S+)/, ucfirst "$1") . "\");
++              && (SvSTASH (SvRV ($arg)) == stash_${ ($type =~ /ev_(\S+)/, \qq{$1}) }
++                  || sv_derived_from ($arg, \"EV::${ ($type =~ /ev_(\S+)/, \ucfirst qq{$1}) }\"))))
++          croak (\"object is not of type EV::${ ($type =~ /ev_(\S+)/, \ucfirst qq{$1}) }\");
+ 	$var = ($type)SvPVX (SvRV ($arg));
+ 
+ OUTPUT