system/autoconf: update to 2.71

system/autoconf/APKBUILD

 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=autoconf
-pkgver=2.69
-pkgrel=2
+pkgver=2.71
+pkgrel=0
 pkgdesc="A GNU tool for automatically configuring source code"
 arch="noarch"
 license="GPL-2.0+"
 url="https://www.gnu.org/software/autoconf"
 depends="m4 perl"
 subpackages="$pkgname-doc"
-source="https://ftp.gnu.org/pub/gnu/$pkgname/$pkgname-$pkgver.tar.gz
-	autoconf-2.69-fix-perl-regex.patch
-	"
-
-prepare() {
-	update_config_sub
-	default_prepare
-}
+source="https://ftp.gnu.org/pub/gnu/$pkgname/$pkgname-$pkgver.tar.gz"
 
 build() {
 	./configure \
@@ -26,10 +19,9 @@ build() {
 }
 
 check() {
-	# 38 fails with new perl; 501 fails with new libtool
 	# 351 known broken since 2012:
 	# https://lists.gnu.org/archive/html/bug-autoconf/2013-01/msg00000.html
-	make check TESTSUITEFLAGS="1-37 39-350 352-500 502-503"
+	make check TESTSUITEFLAGS="1-350 352-503"
 }
 
 package() {
@@ -39,5 +31,4 @@ package() {
 	rm -f "$pkgdir"/usr/share/info/standards.info
 }
 
-sha512sums="e34c7818bcde14d2cb13cdd293ed17d70740d4d1fd7c67a07b415491ef85d42f450d4fe5f8f80cc330bf75c40a62774c51a4336e06e8da07a4cbc49922d975ee  autoconf-2.69.tar.gz
-8b779ecec178091c899b75df4471fb72334a062d6b413502d414e8827fe0c9e2f335a8bef6878ae261e1af1568e3fe71fe82d6b5e53cb54e6585ffd91f069d8d  autoconf-2.69-fix-perl-regex.patch"
+sha512sums="2bc5331f9807da8754b2ee623a30299cc0d103d6f98068a4c22263aab67ff148b7ad3a1646bd274e604bc08a8ef0ac2601e6422e641ad0cfab2222d60a58c5a8  autoconf-2.71.tar.gz"