New dependency of leatherman

PKGBUILD

+# Maintainer:  Jonathan Steel <jsteel at archlinux.org>
+# Contributor: Yunhui Fu <yhfudev@gmail.com>
+
+pkgname=rapidjson
+pkgver=1.1.0
+pkgrel=1
+pkgdesc="A fast JSON parser/generator for C++ with both SAX/DOM style API"
+arch=('any')
+url="https://github.com/miloyip/rapidjson"
+license=('GPL')
+makedepends=('gcc' 'cmake')
+source=($pkgname-$pkgver.tar.gz::https://github.com/miloyip/$pkgname/archive/v$pkgver.tar.gz)
+md5sums=('a3e0d043ad3c2d7638ffefa3beb30a77c71c869f')
+
+build () {
+  cd $pkgname-$pkgver
+
+  mkdir -p build
+  cd build
+
+  cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=/usr ..
+
+  make
+}
+
+package() {
+  cd $pkgname-$pkgver/build
+
+  DESTDIR="$pkgdir" make install
+}