package/jsoncpp: new package

Needed for upcoming Kodi pctv/filmon PVR packages:

https://github.com/kodi-pvr/pvr.pctv/blob/master/CMakeLists.txt#L11
https://github.com/kodi-pvr/pvr.filmon/blob/master/CMakeLists.txt#L11

[Thomas:
  - bump to 1.6.0
  - change the license to "Public Domain or MIT"
  - wrap Config.in help text]

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/Config.in

@@ -808,6 +808,7 @@ menu "JSON/XML"
 	source "package/jansson/Config.in"
 	source "package/json-c/Config.in"
 	source "package/json-glib/Config.in"
+	source "package/jsoncpp/Config.in"
 	source "package/libjson/Config.in"
 	source "package/libroxml/Config.in"
 	source "package/libxml2/Config.in"

package/jsoncpp/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_JSONCPP
+	depends on BR2_INSTALL_LIBSTDCPP
+	bool "jsoncpp"
+	help
+	  JsonCpp is a C++ library that allows manipulating JSON
+	  values, including serialization and deserialization to and
+	  from strings.  It can also preserve existing comment in
+	  unserialization/serialization steps, making it a convenient
+	  format to store user input files.
+
+	  https://github.com/open-source-parsers/jsoncpp
+
+comment "jsoncpp needs a toolchain w/ C++"
+	depends on !BR2_INSTALL_LIBSTDCPP

package/jsoncpp/jsoncpp.mk

@@ -0,0 +1,16 @@
+################################################################################
+#
+# jsoncpp
+#
+################################################################################
+
+JSONCPP_VERSION = 1.6.0
+JSONCPP_SITE = $(call github,open-source-parsers,jsoncpp,$(JSONCPP_VERSION))
+JSONCPP_LICENSE = Public Domain or MIT
+JSONCPP_LICENSE_FILES = LICENSE
+JSONCPP_INSTALL_STAGING = YES
+
+JSONCPP_CONF_OPTS += \
+	-DJSONCPP_WITH_POST_BUILD_UNITTEST=OFF
+
+$(eval $(cmake-package))