[erlang-questions] lib/syntax_tools uses LGPL-2.0 + license

Michael Truog <>
Fri Feb 10 09:32:12 CET 2017


On 02/10/2017 12:08 AM, Marc Worrell wrote:
>
> We use syntax_tools extensively in Zotonic for compiling templates and dispatch rules to Erlang modules.
> This is done runtime, so we would prefer that syntax_tools stays in the Erlang distribution.
>
>
Yes, I agree this is important.  CloudI's logging requires merl from syntax_tools to avoid the use of global state when determining the current log level (so it relies on dynamically generating the module used for the logging interface).  That means merl from syntax_tools is always being used anywhere CloudI is used.

Best Regards,
Michael
>
>
>> On 10 Feb 2017, at 09:02, Kenneth Lundin < <mailto:>> wrote:
>>
>> Hi,
>>
>> The license of Syntax tools is changed to Apache-2 and LGPL (it is the users choice) in the master branch (which is the way to
>> the next major release (OTP 20) in end of June.
>>
>> And yes you can leave out syntax tools for most usage. It is mostly used during development for some non mandatory tools.
>> For example it is used by edoc the tool for generating documentation from the source code.
>>
>> It is unlikely to be used in a deployed server.
>>
>> /Kenneth, Erlang/OTP Ericsson
>>
>> On Thu, Feb 9, 2017 at 10:25 PM, chris casilli < <mailto:>> wrote:
>>
>>     Hello,
>>
>>     I noticed that lib/syntax_tools uses LGPL-2.0+ license.
>>     How does this effect the overall Apache-2.0 license of OTP.
>>
>>     Can this component be left out. Is a different version available that uses Apache-2.0 license.
>>
>>     Kind Regards,
>>
>>     Chris Casilli
>>
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