Re: change default default_toast_compression to lz4? - Mailing list pgsql-hackers

On Thu, Feb 19, 2026 at 01:12:09PM -0300, Euler Taveira wrote:
> Changes from last version:
>
> - adjust CI
> - set not_found_dep instead of warning message
> - remove quotes from default_toast_compression value
>
> It is aligned with ICU and readline behavior.

Works for me, and I would like to apply this one.

diff --git a/meson.build b/meson.build
index 055e96315d0..13ef9c18477 100644
--- a/meson.build
+++ b/meson.build
@@ -1133,6 +1133,8 @@ if not lz4opt.disabled()
   if lz4.found()
     cdata.set('USE_LZ4', 1)
     cdata.set('HAVE_LIBLZ4', 1)
+  else
+    lz4 = not_found_dep
   endif

Hmm.  Isn't this bit something that we should actually backpatch?  It
feels wrong to not enforce lz4 to not_found_dep in this meson path.
So this looks unrelated to the switch of the default value.
--
Michael