Add option to disable the sqlite3 module

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>

---
 Makefile.pre.in |    9 +++++++--
 configure.ac    |    9 +++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

Index: b/configure.ac
===================================================================
--- a/configure.ac
+++ b/configure.ac
@@ -2666,6 +2666,15 @@
       AC_CHECK_FUNCS(pthread_atfork)
 fi
 
+AC_SUBST(SQLITE3)
+AC_ARG_ENABLE(sqlite3,
+	AS_HELP_STRING([--disable-sqlite3], [disable sqlite3]),
+	[ SQLITE3="${enableval}" ], [ SQLITE3=yes ])
+
+if test "$SQLITE3" = "no" ; then
+   DISABLED_EXTENSIONS="${DISABLED_EXTENSIONS} _sqlite3"
+fi
+
 AC_SUBST(PYDOC)
 
 AC_ARG_ENABLE(pydoc,
Index: b/Makefile.pre.in
===================================================================
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1131,7 +1131,6 @@
 		email email/mime \
 		ensurepip ensurepip/_bundled \
 		html json http dbm xmlrpc \
-		sqlite3 \
 		logging csv wsgiref urllib \
 		ctypes ctypes/macholib \
 		idlelib idlelib/Icons \
@@ -1173,7 +1172,7 @@
 		test/namespace_pkgs/project3/parent/child \
                 test/namespace_pkgs/module_and_namespace_package \
                 test/namespace_pkgs/module_and_namespace_package/a_test \
-		sqlite3/test idlelib/idle_test \
+		idlelib/idle_test \
 		test/test_importlib test/test_importlib/builtin \
 		test/test_importlib/extension test/test_importlib/frozen \
 		test/test_importlib/import_ test/test_importlib/source \
@@ -1192,6 +1191,11 @@
 	lib2to3/tests/data/fixers/myfixes
 endif
 
+ifeq (@SQLITE3@,yes)
+LIBSUBDIRS += sqlite3
+TESTSUBDIRS += sqlite3/test
+endif
+
 ifeq (@TEST_MODULES@,yes)
 LIBSUBDIRS += $(TESTSUBDIRS)
 endif