ccanlint: check for incompatible license boilerplates within subfiles.

[ccan] / tools / ccanlint / licenses.c

diff --git a/tools/ccanlint/licenses.c b/tools/ccanlint/licenses.c
index 9bfa1d2b8d57b3bb005fccc653ba4d209cebf5c8..c2a4871d6c3ae2467b37ef105ae671c4339652d8 100644 (file)
--- a/tools/ccanlint/licenses.c
+++ b/tools/ccanlint/licenses.c
@@ -72,6 +72,36 @@ const struct license_info licenses[] = {
        },
 };
 
+/* License compatibilty chart (simplified: we don't test that licenses between
+ * files are compatible). */
+bool license_compatible[LICENSE_UNKNOWN+1][LICENSE_UNKNOWN] = {
+/*       LGPL2+ LGPL2 LGPL3 LGPL  GPL2+ GPL2  GPL3  GPL   BSD   MIT   PD   */
+/* _info says: LGPL2+ */
+       { true, false,false,true, false,false,false,false,true, true, true },
+/* _info says: LGPL2 only */
+       { true, true, false,true, false,false,false,false,true, true, true },
+/* _info says: LGPL3 (or any later version) */
+       { true, false,true, true, false,false,false,false,true, true, true },
+/* _info says: LGPL (no version specified) */
+       { true, true, true, true, false,false,false,false,true, true, true },
+/* _info says: GPL2+ */
+       { true, true, true, true, true, false,false,true, true, true, true },
+/* _info says: GPL2 only */
+       { true, true, true, true, true, true, false,true, true, true, true },
+/* _info says: GPL3 (or any later version) */
+       { true, true, true, true, true, false,true, true, true, true, true },
+/* _info says: GPL (unknown version) */
+       { true, true, true, true, true, true, true, true, true, true, true },
+/* _info says: BSD (3-clause) */
+       { false,false,false,false,false,false,false,false,true, true, true },
+/* _info says: MIT */
+       { false,false,false,false,false,false,false,false,false,true, true },
+/* _info says: Public domain */
+       { false,false,false,false,false,false,false,false,false,false,true },
+/* _info says something we don't understand */
+       { false,false,false,false,false,false,false,false,false,false,true }
+};
+
 const char *get_ccan_simplified(struct ccan_file *f)
 {
        if (!f->simplified) {