Add package json-c-openipc

general/package/json-c-openipc/Config.in

@@ -0,0 +1,13 @@
+config BR2_PACKAGE_JSON_C_OPENIPC
+	bool "json-c-openipc"
+	# uses __sync_val_compare_and_swap_4
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	help
+	  JSON-C - A JSON implementation in C
+
+	  JSON-C implements a reference counting object model that
+	  allows you to easily construct JSON objects in C, output
+	  them as JSON formatted strings and parse JSON formatted
+	  strings back into the C representation of JSON objects.
+
+	  https://github.com/json-c/json-c/

general/package/json-c-openipc/json-c-openipc.mk

@@ -0,0 +1,14 @@
+################################################################################
+#
+# json-c-openipc
+#
+################################################################################
+
+JSON_C_OPENIPC_VERSION = json-c-0.15-20200726
+JSON_C_OPENIPC_SITE = $(call github,json-c,json-c,v$(JSON_C_OPENIPC_VERSION))
+JSON_C_OPENIPC_INSTALL_STAGING = YES
+JSON_C_OPENIPC_LICENSE = MIT
+JSON_C_OPENIPC_LICENSE_FILES = COPYING
+
+$(eval $(cmake-package))
+$(eval $(host-cmake-package))