Add protobuf-c as dependency as libgadu.

protobuf-c/PKGBUILD

@@ -0,0 +1,30 @@
+# Platform Packages for Chakra, part of chakraos.org
+#
+# maintainer Jeff Huang s8321414[at]gmail[dot]com>
+
+pkgname=protobuf-c
+pkgver=1.0.2
+pkgrel=1
+pkgdesc='Protocol Buffers implementation in C'
+arch=('i686' 'x86_64')
+url='https://github.com/protobuf-c/protobuf-c'
+license=('BSD')
+depends=('protobuf')
+source=($url/releases/download/v$pkgver/protobuf-c-$pkgver.tar.gz)
+md5sums=('42f03767ddbd1dbe26cce10bc6e08c84')
+
+build() {
+  cd $pkgname-$pkgver
+  ./configure --prefix=/usr --disable-static
+  make
+}
+
+check() {
+  make -C $pkgname-$pkgver check
+}
+
+package() {
+  cd $pkgname-$pkgver
+  make DESTDIR="$pkgdir" install
+  install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
+}