gdb: add support for Python in host gdb

This commit adds an option BR2_PACKAGE_HOST_GDB_PYTHON that allows to
enable Python support in the cross gdb built by Buildroot.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gdb/Config.in.host

@@ -18,6 +18,11 @@ config BR2_PACKAGE_HOST_GDB_TUI
 	help
 	  This option enables terminal user interface (TUI) for gdb
 
+config BR2_PACKAGE_HOST_GDB_PYTHON
+	bool "Python support"
+	help
+	  This option enables the Python support in the cross gdb.
+
 choice
 	prompt "GDB debugger Version"
 	depends on !BR2_arc

package/gdb/gdb.mk

@@ -138,6 +138,13 @@ else
 	HOST_GDB_CONF_OPT += --disable-tui
 endif
 
+ifeq ($(BR2_PACKAGE_HOST_GDB_PYTHON),y)
+	HOST_GDB_CONF_OPT += --with-python
+	HOST_GDB_DEPENDENCIES += host-python
+else
+	HOST_GDB_CONF_OPT += --without-python
+endif
+
 ifeq ($(GDB_FROM_GIT),y)
 HOST_GDB_DEPENDENCIES += host-texinfo
 else