[PATCH 5/7] base.bbclass: Report only the licenses that are incompatible for a package

[Peter Kjellerstedt <peter.kjellerstedt@axis.com>]

Instead of reporting ${LICENSE} when a package is identified as using
an incompatible license, report the license(s) that are actually
incompatible.

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
---
 meta/classes/base.bbclass                     | 26 ++++++++++++-------
 .../oeqa/selftest/cases/incompatible_lic.py   |  6 ++---
 2 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index 5176168cf8..87d8ba2cf8 100644
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -547,24 +547,30 @@ python () {
                 bb.note("Including %s as buildable despite it having an incompatible license because it has been whitelisted" % pn)
             else:
                 pkgs = d.getVar('PACKAGES').split()
-                skipped_pkgs = []
+                skipped_pkgs = {}
                 unskipped_pkgs = []
                 for pkg in pkgs:
-                    if incompatible_license(d, bad_licenses, pkg):
-                        skipped_pkgs.append(pkg)
+                    incompatible_lic = incompatible_license(d, bad_licenses, pkg)
+                    if incompatible_lic:
+                        skipped_pkgs[pkg] = incompatible_lic
                     else:
                         unskipped_pkgs.append(pkg)
-                all_skipped = skipped_pkgs and not unskipped_pkgs
                 if unskipped_pkgs:
                     for pkg in skipped_pkgs:
-                        bb.debug(1, "SKIPPING the package " + pkg + " at do_rootfs because it's " + license)
+                        bb.debug(1, "Skipping the package %s at do_rootfs because of incompatible license(s): %s" % (pkg, ' '.join(skipped_pkgs[pkg])))
                         mlprefix = d.getVar('MLPREFIX')
-                        d.setVar('LICENSE_EXCLUSION-' + mlprefix + pkg, 1)
+                        d.setVar('LICENSE_EXCLUSION-' + mlprefix + pkg, ' '.join(skipped_pkgs[pkg]))
                     for pkg in unskipped_pkgs:
-                        bb.debug(1, "INCLUDING the package " + pkg)
-                elif all_skipped or incompatible_license(d, bad_licenses):
-                    bb.debug(1, "SKIPPING recipe %s because it's %s" % (pn, license))
-                    raise bb.parse.SkipRecipe("it has an incompatible license: %s" % license)
+                        bb.debug(1, "Including the package %s" % pkg)
+                else:
+                    incompatible_lic = incompatible_license(d, bad_licenses)
+                    for pkg in skipped_pkgs:
+                        incompatible_lic += skipped_pkgs[pkg]
+                    incompatible_lic = sorted(list(set(incompatible_lic)))
+
+                    if incompatible_lic:
+                        bb.debug(1, "Skipping recipe %s because of incompatible license(s): %s" % (pn, ' '.join(incompatible_lic)))
+                        raise bb.parse.SkipRecipe("it has incompatible license(s): %s" % ' '.join(incompatible_lic))
 
         # Try to verify per-package (LICENSE_<pkg>) values. LICENSE should be a
         # superset of all per-package licenses. We do not do advanced (pattern)
diff --git a/meta/lib/oeqa/selftest/cases/incompatible_lic.py b/meta/lib/oeqa/selftest/cases/incompatible_lic.py
index ad878571b5..9d1e801117 100644
--- a/meta/lib/oeqa/selftest/cases/incompatible_lic.py
+++ b/meta/lib/oeqa/selftest/cases/incompatible_lic.py
@@ -4,7 +4,7 @@ from oeqa.utils.commands import bitbake
 class IncompatibleLicenseTests(OESelftestTestCase):
 
     def lic_test(self, pn, pn_lic, lic):
-        error_msg = 'ERROR: Nothing PROVIDES \'%s\'\n%s was skipped: it has an incompatible license: %s' % (pn, pn, pn_lic)
+        error_msg = 'ERROR: Nothing PROVIDES \'%s\'\n%s was skipped: it has incompatible license(s): %s' % (pn, pn, pn_lic)
 
         self.write_config("INCOMPATIBLE_LICENSE += \"%s\"" % (lic))
 
@@ -27,12 +27,12 @@ class IncompatibleLicenseTests(OESelftestTestCase):
     # license cannot be built when INCOMPATIBLE_LICENSE contains this SPDX
     # license
     def test_incompatible_spdx_license_alias(self):
-        self.lic_test('incompatible-license-alias', 'GPLv3', 'GPL-3.0')
+        self.lic_test('incompatible-license-alias', 'GPL-3.0', 'GPL-3.0')
 
     # Verify that a package with an alias (from SPDXLICENSEMAP) to an SPDX
     # license cannot be built when INCOMPATIBLE_LICENSE contains this alias
     def test_incompatible_alias_spdx_license_alias(self):
-        self.lic_test('incompatible-license-alias', 'GPLv3', 'GPLv3')
+        self.lic_test('incompatible-license-alias', 'GPL-3.0', 'GPLv3')
 
     # Verify that a package with a non-SPDX license (neither in
     # AVAILABLE_LICENSES nor in SPDXLICENSEMAP) cannot be built when
-- 
2.21.0