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This is false, and one of the simultaneous boons and banes of the GPL family of licenses. LGPL compliance is achieved purely by providing a copy of your versio

This is false, and one of the simultaneous boons and banes of the GPL family of licenses. LGPL compliance is achieved purely by providing a copy of your version of the source code; if no modifications have been made to the LGPL portion, a simple link to upstream is sufficient, otherwise a “reasonable” means of getting the same code (full tarball, diff against upstream at some point in time, etc) is needed. The LGPL (and GPL overall) does not make any provision that the user MUST be able to replace the object binary, only that source is provided to enable doing so if you break whatever tamper seals are there for yourself.

ndiddy 2y ago
Please don't make claims like "this is false" if you aren't familiar with the licenses you're commenting on. Section 4e of the LGPLv3 says that one of the conditions for conveying a "combined work" (such as a proprietary application that links with an LGPLv3 library) is "Provide Installation Information, but only if you would otherwise be required to provide such information under section 6 of the GNU GPL, and only to the extent that such information is necessary to install and execute a modified version of the Combined Work produced by recombining or relinking the Application with a modified version of the Linked Version." The relevant quote from Section 6 of the GPLv3 is: > “Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made. > If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM). In summary, if you ship a device that is physically capable of running modified code, you must give users the ability to both link the LGPL'd library with your proprietary code and to write the resulting modified firmware to the device.

ndiddy 2y ago

Please don't make claims like "this is false" if you aren't familiar with the licenses you're commenting on. Section 4e of the LGPLv3 says that one of the conditions for conveying a "combined work" (such as a proprietary application that links with an LGPLv3 library) is "Provide Installation Information, but only if you would otherwise be required to provide such information under section 6 of the GNU GPL, and only to the extent that such information is necessary to install and execute a modified version of the Combined Work produced by recombining or relinking the Application with a modified version of the Linked Version." The relevant quote from Section 6 of the GPLv3 is: > “Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made. > If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM). In summary, if you ship a device that is physically capable of running modified code, you must give users the ability to both link the LGPL'd library with your proprietary code and to write the resulting modified firmware to the device.