sam7utils: Fix build with GCC 4.6 (thanks to jase!), point source to a working mirror, fix depends line

PKGBUILD

@@ -1,19 +1,22 @@
 # Contributor: Marti Raudsepp <marti@juffo.org>
 pkgname=sam7utils
 pkgver=0.2.1
-pkgrel=1
+pkgrel=2
 pkgdesc="A utility for programming AT91SAM7 series microcontrollers over USB"
 arch=(i686 x86_64)
 license=('GPL')
+options=('buildflags')
 url="http://oss.tekno.us/sam7utils/"
-#depends=('libusb' 'readline' 'udev')
-source=(http://oss.tekno.us/sam7utils/$pkgname-$pkgver.tar.gz
+depends=('libusb-compat' 'readline' 'udev')
+# Original source: http://oss.tekno.us/sam7utils/$pkgname-$pkgver.tar.gz
+source=(http://txrxio.net/wp/basket/makingthings/$pkgname-$pkgver.tar.gz
         50-atmel-samba.rules)
 md5sums=('4027a3d06500b9e4911b3f548ad7b138'
          'b3753f3577784190fd4e0ef5d6075323')
 
 build() {
   cd $srcdir/$pkgname-$pkgver
+  CFLAGS="$CFLAGS -Wno-error=unused-but-set-variable"
   ./configure --prefix=/usr || return 1
   make || return 1
   make DESTDIR=$pkgdir install || return 1