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-rw-r--r--meta/classes/license.bbclass63
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index 4b98e2991..10a937b10 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -282,6 +282,69 @@ def incompatible_license(d,dont_want_license):
return True
return False
+
+def check_license_flags(d):
+ """
+ This function checks if a recipe has any LICENSE_FLAGs that
+ aren't whitelisted.
+
+ If it does, it returns the first LICENSE_FLAG missing from the
+ whitelist, or all the LICENSE_FLAGs if there is no whitelist.
+
+ If everything is is properly whitelisted, it returns None.
+ """
+
+ def license_flag_matches(flag, whitelist, pn):
+ """
+ Return True if flag matches something in whitelist, None if not.
+
+ Before we test a flag against the whitelist, we append _${PN}
+ to it. We then try to match that string against the
+ whitelist. This covers the normal case, where we expect
+ LICENSE_FLAGS to be a simple string like 'commercial', which
+ the user typically matches exactly in the whitelist by
+ explicitly appending the package name e.g 'commercial_foo'.
+ If we fail the match however, we then split the flag across
+ '_' and append each fragment and test until we either match or
+ run out of fragments.
+ """
+ flag_pn = ("%s_%s" % (flag, pn))
+ for candidate in whitelist:
+ if flag_pn == candidate:
+ return True
+
+ flag_cur = ""
+ flagments = flag_pn.split("_")
+ flagments.pop() # we've already tested the full string
+ for flagment in flagments:
+ if flag_cur:
+ flag_cur += "_"
+ flag_cur += flagment
+ for candidate in whitelist:
+ if flag_cur == candidate:
+ return True
+ return False
+
+ def all_license_flags_match(license_flags, whitelist):
+ """ Return first unmatched flag, None if all flags match """
+ pn = d.getVar('PN', True)
+ split_whitelist = whitelist.split()
+ for flag in license_flags.split():
+ if not license_flag_matches(flag, split_whitelist, pn):
+ return flag
+ return None
+
+ license_flags = d.getVar('LICENSE_FLAGS', True)
+ if license_flags:
+ whitelist = d.getVar('LICENSE_FLAGS_WHITELIST', True)
+ if not whitelist:
+ return license_flags
+ unmatched_flag = all_license_flags_match(license_flags, whitelist)
+ if unmatched_flag:
+ return unmatched_flag
+ return None
+
+
SSTATETASKS += "do_populate_lic"
do_populate_lic[sstate-name] = "populate-lic"
do_populate_lic[sstate-inputdirs] = "${LICSSTATEDIR}"