classes/populate_sdk_ext: add warning against editing configuration

It may be tempting to edit the configuration of the encapsulated version
of the build system, however that is not the way it is intended to be
used, so add a warning against doing this.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 17a8e8cdf45c7a720217166cb55079514716ee67..44b926e2d75e8cf91343ec2f5deb42c00601e0ad 100644 (file)
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -91,6 +91,11 @@ python copy_buildsystem () {
     # Create bblayers.conf
     bb.utils.mkdirhier(baseoutpath + '/conf')
     with open(baseoutpath + '/conf/bblayers.conf', 'w') as f:
+        f.write('# WARNING: this configuration has been automatically generated and in\n')
+        f.write('# most cases should not be edited. If you need more flexibility than\n')
+        f.write('# this configuration provides, it is strongly suggested that you set\n')
+        f.write('# up a proper instance of the full build system and use that instead.\n\n')
+
         f.write('LCONF_VERSION = "%s"\n\n' % d.getVar('LCONF_VERSION'))
         f.write('BBPATH = "$' + '{TOPDIR}"\n')
         f.write('SDKBASEMETAPATH = "$' + '{TOPDIR}"\n')
@@ -102,6 +107,11 @@ python copy_buildsystem () {
 
     # Create local.conf
     with open(baseoutpath + '/conf/local.conf', 'w') as f:
+        f.write('# WARNING: this configuration has been automatically generated and in\n')
+        f.write('# most cases should not be edited. If you need more flexibility than\n')
+        f.write('# this configuration provides, it is strongly suggested that you set\n')
+        f.write('# up a proper instance of the full build system and use that instead.\n\n')
+
         f.write('INHERIT += "%s"\n\n' % 'uninative')
         f.write('CONF_VERSION = "%s"\n\n' % d.getVar('CONF_VERSION'))