GNU Project Evidence

GPL FAQ #v2v3Compatibility

Catalog row in Vendor License Evidence · Cited

Kind: FAQ excerpt
Excerpt: if you tried to combine code released under GPLv2 with code under GPLv3, you would violate section 6 of GPLv2. However, if code is released under GPL “version 2 or later,” that is compatible with GPLv3 because GPLv3 is one of the options it permits.
Locator: GPL FAQ #v2v3Compatibility
Applies to: "Or any later version" lets the recipient choose the version; GPLv2-only and GPLv3 are incompatible
Supports rules: "Or any later version" lets the recipient choose the version; GPLv2-only and GPLv3 are incompatible
Sources: Frequently Asked Questions about the GNU Licenses