package/libtirpc: introduce BR2_PACKAGE_LIBTIRPC_RPCDB

Package libtirpc with commit[1] exposes --enable-rpcdb so make it
selectable to allow packages that use rpcdb functions to enable it
and build correctly.

[1]:
https://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=7cea8ad66aecc21e6caae330b5d31075af399193

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
[Bernd: move gss comment into if-block]
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libtirpc/Config.in

@@ -7,19 +7,26 @@ config BR2_PACKAGE_LIBTIRPC
 
 	  http://sourceforge.net/projects/libtirpc/
 
+if BR2_PACKAGE_LIBTIRPC
+
 config BR2_PACKAGE_LIBTIRPC_GSS
 	bool "gss"
 	depends on BR2_USE_MMU # libkrb5
 	depends on !BR2_STATIC_LIBS # libkrb5
-	depends on BR2_PACKAGE_LIBTIRPC
 	select BR2_PACKAGE_LIBKRB5
 	help
 	  Enable GSSAPI support
 
-comment "libtirpc needs a toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
-
 comment "libtirpc gss support needs a toolchain w/ dynamic library"
 	depends on BR2_USE_MMU
 	depends on BR2_STATIC_LIBS
-	depends on BR2_PACKAGE_LIBTIRPC
+
+config BR2_PACKAGE_LIBTIRPC_RPCDB
+	bool "rpcdb"
+	help
+	  Enable RPCDB support
+
+endif
+
+comment "libtirpc needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/libtirpc/libtirpc.mk

@@ -25,5 +25,12 @@ LIBTIRPC_CONF_OPTS += --disable-gssapi
 endif
 HOST_LIBTIRPC_CONF_OPTS = --disable-gssapi
 
+ifeq ($(BR2_PACKAGE_LIBTIRPC_RPCDB),y)
+LIBTIRPC_CONF_OPTS += --enable-rpcdb
+else
+LIBTIRPC_CONF_OPTS += --disable-rpcdb
+endif
+HOST_LIBTIRPC_CONF_OPTS += --disable-rpcdb
+
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))