Added rule for jansson lib.

rules/jansson/default.bash

@@ -0,0 +1,45 @@
+version=\
+(
+    "2.7"
+)
+
+url=\
+(
+    "http://www.digip.org/jansson/releases/jansson-2.7.tar.gz"
+)
+
+md5=\
+(
+    "3a106a465bbb77637550b422f5b262ef"
+)
+
+configure()
+{
+    ./configure \
+        --prefix="${cfg_dir_toolchain_sysroot}/usr" \
+        --target="$cfg_target_canonical" \
+        --host="$cfg_target_canonical" \
+        --build="$cfg_host_canonical"
+}
+
+build()
+{
+    $cmd_make
+}
+
+host_install()
+{
+    $cmd_make install
+}
+
+target_install()
+{
+  # Libs:
+  for f in "$cfg_dir_toolchain_sysroot/usr/lib/"libjansson.*; do
+    if [ -L "$f" ]; then
+      $cmd_cp "$f" "$cfg_dir_rootfs/usr/lib"
+    else
+      $cmd_target_strip -v "$f" -o "$cfg_dir_rootfs/usr/lib/$(basename "$f")"
+    fi
+  done
+}