binutils: force libiberty install

it is also not necessary to manually install the headers anymore

srcpkgs/binutils/template

@@ -1,7 +1,7 @@
 # Template file for 'binutils'
 pkgname=binutils
 version=2.35.1
-revision=2
+revision=3
 bootstrap=yes
 short_desc="GNU binary utilities"
 maintainer="Enno Boland <gottox@voidlinux.org>"
@@ -85,6 +85,7 @@ do_configure() {
 		--enable-deterministic-archives \
 		--enable-64-bit-bfd \
 		--enable-ld=default \
+		--enable-install-libiberty \
 		--with-system-zlib \
 		--with-mmap \
 		--with-pic \
@@ -115,10 +116,6 @@ do_install() {
 	rm -f ${DESTDIR}/usr/bin/ld
 	ln -sfr ${DESTDIR}/usr/bin/ld.bfd ${DESTDIR}/usr/bin/ld
 
-	# Add some useful headers
-	vinstall include/libiberty.h 644 usr/include
- 	vinstall include/demangle.h 644 usr/include
-
 	# Remove these symlinks, they are not ABI stable.
 	# Programs should compile static to the .a file.
 	rm -f ${DESTDIR}/usr/lib/lib{bfd,opcodes}.so