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license.bbclass: Introduce AVAILABLE_LICENSES that lists all licenses

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Previously, there was SRC_DISTRIBUTE_LICENSES, an undocumented
variable that contained a static list of licenses. It was used by
expand_wildcard_licenses() to expand any wildcards used in, e.g.,
INCOMPATIBLE_LICENSE. However, since this static list of licenses has
not been kept up-to-date, many licenses were missing, with the result
that if one tried to use any of those licenses with a wildcard, no
licenses would be found, effectively ignoring that they should be
marked as incompatible.

This introduces a new (documented) variable, AVAILABLE_LICENSES, that
is automatically updated to contain all licenses found in any
directories specified by ${COMMON_LICENSE_DIR} and ${LICENSE_PATH},
and uses it instead of SRC_DISTRIBUTE_LICENSES when expanding
wildcards.

(From OE-Core rev: 5ed714139f91eb03871e01b68a4370784071234d)

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 8c9ef587fe499c612a878a1ab42092eb79b334ef)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Peter Kjellerstedt
2019-12-11 17:48:13 +01:00
committed by Richard Purdie
parent 14227b03a2
commit 375065fa17
3 changed files with 27 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/classes/license.bbclass
+23 -4
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@@ -252,7 +252,7 @@ def canonical_license(d, license):
"""
Return the canonical (SPDX) form of the license if available (so GPLv3
becomes GPL-3.0), for the license named 'X+', return canonical form of
'X' if availabel and the tailing '+' (so GPLv3+ becomes GPL-3.0+),
'X' if available and the tailing '+' (so GPLv3+ becomes GPL-3.0+),
or the passed license if there is no canonical form.
"""
lic = d.getVarFlag('SPDXLICENSEMAP', license) or ""
@@ -262,10 +262,29 @@ def canonical_license(d, license):
lic += '+'
return lic or license
def available_licenses(d):
"""
Return the available licenses by searching the directories specified by
COMMON_LICENSE_DIR and LICENSE_PATH.
"""
lic_dirs = ((d.getVar('COMMON_LICENSE_DIR') or '') + ' ' +
(d.getVar('LICENSE_PATH') or '')).split()
licenses = []
for lic_dir in lic_dirs:
licenses += os.listdir(lic_dir)
licenses = sorted(licenses)
return licenses
# Only determine the list of all available licenses once. This assumes that any
# additions to LICENSE_PATH have been done before this file is parsed.
AVAILABLE_LICENSES := "${@' '.join(available_licenses(d))}"
def expand_wildcard_licenses(d, wildcard_licenses):
"""
Return actual spdx format license names if wildcard used. We expand
wildcards from SPDXLICENSEMAP flags and SRC_DISTRIBUTE_LICENSES values.
Return actual spdx format license names if wildcards are used. We expand
wildcards from SPDXLICENSEMAP flags and AVAILABLE_LICENSES.
"""
import fnmatch
licenses = wildcard_licenses[:]
@@ -274,7 +293,7 @@ def expand_wildcard_licenses(d, wildcard_licenses):
spdxflags = fnmatch.filter(spdxmapkeys, wld_lic)
licenses += [d.getVarFlag('SPDXLICENSEMAP', flag) for flag in spdxflags]
spdx_lics = (d.getVar('SRC_DISTRIBUTE_LICENSES', False) or '').split()
spdx_lics = d.getVar('AVAILABLE_LICENSES').split()
for wld_lic in wildcard_licenses:
licenses += fnmatch.filter(spdx_lics, wld_lic)