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From Johan Corveleyn <>
Subject Re: svn commit: r1829344 - in /subversion/trunk/build/ac-macros: lz4.m4 utf8proc.m4
Date Tue, 17 Apr 2018 11:34:21 GMT
On Tue, Apr 17, 2018 at 1:15 PM, Philip Martin <> wrote:
> Johan Corveleyn <> writes:
>> Maybe we could add an extra hint to the error message along the lines
>> of "Maybe you want --with-lz4=internal"? To help self-serviceness and
>> avoid mails to the users list ...
> I don't think that is a good recommendation. Internal libraries should
> only be used if the OS does not provide the library.


I just thought a common scenario of users running into this would be:
- Try to build Subversion.
- Fail because lz4 library is missing.
- "Hmm, haven't seen this before, let's try if we can build without
it, let's try --without-lz4".
- Error ... Ah, it's required, damn. Now what? Do I have to go looking
for yet another dependency of SVN?
- Lose time, and perhaps give up.

But if it's not recommended, then okay.

Or would the following be useful and acceptable?
"Subversion requires LZ4. It is recommended you use the most
up-to-date version of the LZ4 library provided by your OS. If your OS
does not provide one, you can use --with-lz4=internal to use the
library included in the SVN release package."

A bit long perhaps...

It's just a thought ... not terribly important.

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