main/libelf: fix musl build

main/libelf/APKBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libelf
 pkgver=0.8.13
-pkgrel=1
+pkgrel=2
 pkgdesc="libelf is a free ELF object file access library"
 url="http://www.mr511.de/software/"
 arch="all"
@@ -11,8 +11,15 @@ makedepends=
 subpackages="$pkgname-dev"
 source="http://www.mr511.de/software/$pkgname-$pkgver.tar.gz"
 
+_builddir="$srcdir/$pkgname-$pkgver"
+
+prepare() {
+	cd "$_builddir"
+	update_config_sub || return 1
+}
+
 build() {
-	cd "$srcdir"/$pkgname-$pkgver
+	cd "$_builddir"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -20,12 +27,13 @@ build() {
 		--enable-shared \
 		--enable-gnu-names \
 		--enable-compat \
+		--disable-nls \
 		|| return 1
 	make || return 1
 }
 
 package() {
-	cd "$srcdir"/$pkgname-$pkgver
+	cd "$_builddir"
 	make install prefix="$pkgdir"/usr || return 1
 }
 md5sums="4136d7b4c04df68b686570afa26988ac  libelf-0.8.13.tar.gz"