package/python3: add optional support for berkeleydb

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/python3/0034-Add-an-option-to-disable-the-berkeleydb-module.patch

@@ -0,0 +1,30 @@
+From cf4d7fd9f7cb6c1ced32ee323b2b5755640051b7 Mon Sep 17 00:00:00 2001
+From: Bernd Kuhls <bernd.kuhls@t-online.de>
+Date: Sat, 11 Apr 2020 22:01:40 +0200
+Subject: [PATCH] Add an option to disable the berkeleydb module
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ configure.ac | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 72c1d86e82..8c3912d237 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -3326,6 +3326,12 @@ if test "$UUID" = "no"; then
+    DISABLED_EXTENSIONS="${DISABLED_EXTENSIONS} _uuid"
+ fi
+ 
++AC_ARG_ENABLE(berkeleydb,
++	AS_HELP_STRING([--disable-berkeleydb], [disable berkeleydb]),
++	[ if test "$enableval" = "no"; then
++	     DISABLED_EXTENSIONS="${DISABLED_EXTENSIONS} _dbm"
++	  fi])
++
+ AC_SUBST(PYDOC)
+ 
+ AC_ARG_ENABLE(pydoc,
+-- 
+2.25.0
+

package/python3/Config.in

@@ -46,6 +46,12 @@ config BR2_PACKAGE_PYTHON3_2TO3
 	help
 	  code translation from python 2 to 3
 
+config BR2_PACKAGE_PYTHON3_BERKELEYDB
+	bool "berkeleydb"
+	select BR2_PACKAGE_BERKELEYDB
+	help
+	  berkeleydb module for Python3
+
 config BR2_PACKAGE_PYTHON3_BZIP2
 	bool "bz2 module"
 	select BR2_PACKAGE_BZIP2

package/python3/python3.mk

@@ -57,6 +57,12 @@ else
 PYTHON3_CONF_OPTS += --disable-lib2to3
 endif
 
+ifeq ($(BR2_PACKAGE_PYTHON3_BERKELEYDB),y)
+PYTHON3_DEPENDENCIES += berkeleydb
+else
+PYTHON3_CONF_OPTS += --disable-berkeleydb
+endif
+
 ifeq ($(BR2_PACKAGE_PYTHON3_READLINE),y)
 PYTHON3_DEPENDENCIES += readline
 else