@@ -498,6 +498,14 @@ def check_tar_version(sanity_data):
version = result.split()[3]
if bb.utils.vercmp_string_op(version, "1.28", "<"):
return "Your version of tar is older than 1.28 and does not have the support needed to enable reproducible builds. Please install a newer version of tar (you could use the project's buildtools-tarball from our last release or use scripts/install-buildtools).\n"
+
+ try:
+ result = subprocess.check_output(["tar", "--help"], stderr=subprocess.STDOUT).decode('utf-8')
+ if "--xattrs" not in result:
+ return "Your tar doesn't support --xattrs, please use GNU tar.\n"
+ except subprocess.CalledProcessError as e:
+ return "Unable to execute tar --help, exit code %d\n%s\n" % (e.returncode, e.output)
+
return None
# We use git parameters and functionality only found in 1.7.8 or later