binutils: disable executable stack by default

can be enabled on demand, no warnings like on #13782

sys-devel/binutils/binutils-2.45.1.recipe

@@ -22,7 +22,7 @@ HOMEPAGE="https://www.gnu.org/software/binutils/"
 COPYRIGHT="1988-2025 Free Software Foundation, Inc."
 LICENSE="GNU GPL v3
 	GNU LGPL v3"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://ftpmirror.gnu.org//binutils/binutils-$portVersion.tar.xz
 	https://ftp.gnu.org/gnu/binutils/binutils-$portVersion.tar.xz"
 SOURCE_DIR="binutils-$portVersion"
@@ -103,7 +103,7 @@ BUILD()
 		--docdir=$docDir --enable-host-shared --enable-largefile=yes \
 		--disable-libtool-lock --disable-nls --enable-plugins --enable-64-bit-bfd \
 		--enable-ld=default --enable-targets=$binUtilsTargets \
-		--with-sysroot=/
+		--with-sysroot=/ --enable-default-execstack=no
 		# Note: The sysroot option is normally superfluous. We have to specify
 		# it, however, since these binutils may be used by the bootstrap-gcc,
 		# which passes --sysroot=<path> to ld.