sqlite: add json1 support

Add support for the JSON1 SQLite extensions. This extension allows SQLite to
store and query JSON objects in a database.

Signed-off-by: Bradford Barr <bradford@density.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/sqlite/Config.in

@@ -22,6 +22,12 @@ config BR2_PACKAGE_SQLITE_ENABLE_FTS3
 	  (see http://www.sqlite.org/amalgamation.html), version 3 of
 	  the full-text search engine is added to the build automatically.
 
+config BR2_PACKAGE_SQLITE_ENABLE_JSON1
+	bool "Enable the JSON extensions for SQLite"
+	help
+	  When this option is defined in the amalgamation, the JSON
+	  extensions are added to the build automatically.
+
 config BR2_PACKAGE_SQLITE_ENABLE_UNLOCK_NOTIFY
 	bool "Enable sqlite3_unlock_notify() interface"
 	help

package/sqlite/sqlite.mk

@@ -19,6 +19,10 @@ ifeq ($(BR2_PACKAGE_SQLITE_ENABLE_FTS3),y)
 SQLITE_CFLAGS += -DSQLITE_ENABLE_FTS3
 endif
 
+ifeq ($(BR2_PACKAGE_SQLITE_ENABLE_JSON1),y)
+SQLITE_CFLAGS += -DSQLITE_ENABLE_JSON1
+endif
+
 ifeq ($(BR2_PACKAGE_SQLITE_ENABLE_UNLOCK_NOTIFY),y)
 SQLITE_CFLAGS += -DSQLITE_ENABLE_UNLOCK_NOTIFY
 endif