package/mariadb: add option to disable build of embedded server

Size of output/target/usr:

with embedded: 1,7G
without embedded: 648M

This config option saves space on the target if the embedded server
is not used by any other package:

https://mariadb.com/kb/en/library/embedded-mariadb-interface/
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Tested-by: Ryan Coe <bluemrp9@gmail.com>
[Peter: make Config.in option depend on _MARIADB_SERVER]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

(cherry picked from commit 19df27ed03b33cd86c971afb355091161972851f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mariadb/mariadb.mk

@@ -48,8 +48,12 @@ MARIADB_CONF_OPTS += -DCMAKE_CROSSCOMPILING=1
 MARIADB_CONF_OPTS += -DENABLE_DTRACE=0
 
 ifeq ($(BR2_PACKAGE_MARIADB_SERVER),y)
+ifeq ($(BR2_PACKAGE_MARIADB_SERVER_EMBEDDED),y)
 MARIADB_CONF_OPTS += -DWITH_EMBEDDED_SERVER=ON
 else
+MARIADB_CONF_OPTS += -DWITH_EMBEDDED_SERVER=OFF
+endif
+else
 MARIADB_CONF_OPTS += -DWITHOUT_SERVER=ON
 endif
 

package/mysql/Config.in

@@ -54,6 +54,12 @@ config BR2_PACKAGE_MARIADB_SERVER
 	help
 	  Install the mariadb server on the target.
 
+config BR2_PACKAGE_MARIADB_SERVER_EMBEDDED
+	depends on BR2_PACKAGE_MARIADB_SERVER
+	bool "mariadb embedded server"
+	help
+	  Install the mariadb embedded server on the target.
+
 endif
 
 if BR2_PACKAGE_ORACLE_MYSQL