main/valgrind: build fix for gcc-4.8

main/valgrind/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=valgrind
 pkgver=3.8.1
-pkgrel=0
+pkgrel=1
 pkgdesc="A tool to help find memory-management problems in programs"
 url="http://valgrind.org/"
 arch="all"
@@ -13,7 +13,7 @@ makedepends="sed paxctl pax-utils perl bash"
 #   Don't strip the debug info off lib/valgrind/$platform/vgpreload*.so
 #   in the installation tree.  Either Valgrind won't work at all, or it
 #   will still work if you do, but will generate less helpful error
-#   messages. 
+#   messages.
 options="!strip"
 subpackages="$pkgname-dev $pkgname-doc"
 source="http://$pkgname.org/downloads/$pkgname-$pkgver.tar.bz2
@@ -23,11 +23,10 @@ source="http://$pkgname.org/downloads/$pkgname-$pkgver.tar.bz2
 _builddir="$srcdir"/$pkgname-$pkgver
 prepare() {
 	cd "$_builddir"
-	local i
-	for i in "$srcdir"/*.patch; do
-		[ -f "$i" ] || continue
-		msg "Applying $i"
-		patch -p1 < $i || return 1
+	for i in $source; do
+		case $i in
+		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
+		esac
 	done
 }
 
@@ -35,7 +34,8 @@ build() {
 	cd "$_builddir"
 	# fails to build with ccache
 	export CC="gcc"
-	export CFLAGS="$CFLAGS -fno-stack-protector -fno-pie"
+	export CFLAGS="$CFLAGS -fno-stack-protector"
+	export GCC_SPECS="hardenednopie.specs"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \