This function returns True if any of the specified packages are skipped due to
incompatible license.

License exceptions are obeyed. The user may specify the package's license for
cross-recipe checks.

This allows for additions to packagegroups only for non-incompatible builds. For
example:

    RDEPENDS_${PN} += "${@'dbench' if not any_incompatible(d, 'dbench', 
'GPL-3.0-only') else ''}"

Signed-off-by: Christopher Larson <chris_lar...@mentor.com>
---
 meta/classes/license.bbclass                  | 38 +++++++++++++++++++
 .../packagegroups/packagegroup-base.bb        |  2 +
 2 files changed, 40 insertions(+)

v2 changes: fixed string packages logic, corrected reference to
apply_pkg_license_exception, and avoided use of ${@} in the function docstring
to avoid bitbake expanding it and recursing.

diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index 0c637e966e..41993b7227 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -320,6 +320,44 @@ def incompatible_license(d, dont_want_licenses, 
package=None):
 
     return incompatible_pkg_license(d, dont_want_licenses, license)
 
+def any_incompatible(d, packages, licensestring=None):
+    """Return True if any of the packages are skipped due to incompatible 
license.
+
+    License exceptions are obeyed. The user may specify the package's license
+    for cross-recipe checks.
+
+    This allows for additions to packagegroups only for non-incompatible 
builds.
+
+    For example: 'dbench' if not any_incompatible(d, 'dbench', 'GPL-3.0-only') 
else ''
+    """
+    import oe.license
+
+    if isinstance(packages, str):
+        packages = packages.split()
+
+    bad_licenses = (d.getVar("INCOMPATIBLE_LICENSE") or "").split()
+    if not bad_licenses:
+        return False
+    bad_licenses = expand_wildcard_licenses(d, bad_licenses)
+
+    if licensestring is None:
+        licensestring = d.getVar("LICENSE:%s" % package) if package else None
+        if not licensestring:
+            licensestring = d.getVar("LICENSE")
+
+    exceptions = (d.getVar("INCOMPATIBLE_LICENSE_EXCEPTIONS") or "").split()
+    for pkg in packages:
+        remaining_bad_licenses = oe.license.apply_pkg_license_exception(
+            pkg, bad_licenses, exceptions
+        )
+
+        incompatible_lic = incompatible_pkg_license(
+            d, remaining_bad_licenses, licensestring
+        )
+        if incompatible_lic:
+            return True
+    return False
+
 def check_license_flags(d):
     """
     This function checks if a recipe has any LICENSE_FLAGS that
diff --git a/meta/recipes-core/packagegroups/packagegroup-base.bb 
b/meta/recipes-core/packagegroups/packagegroup-base.bb
index 7489ef61b0..1c97d03c21 100644
--- a/meta/recipes-core/packagegroups/packagegroup-base.bb
+++ b/meta/recipes-core/packagegroups/packagegroup-base.bb
@@ -14,6 +14,8 @@ PACKAGES = ' \
             packagegroup-distro-base \
             packagegroup-machine-base \
             \
+            ${@"dbench" if not any_incompatible(d, "dbench", "GPL-3.0-only") 
else ""} \
+            \
             ${@bb.utils.contains("MACHINE_FEATURES", "acpi", 
"packagegroup-base-acpi", "",d)} \
             ${@bb.utils.contains("MACHINE_FEATURES", "alsa", 
"packagegroup-base-alsa", "", d)} \
             ${@bb.utils.contains("MACHINE_FEATURES", "apm", 
"packagegroup-base-apm", "", d)} \
-- 
2.34.1

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