Forwarded here: https://lists.gnu.org/archive/html/jami/2024-01/msg00007.html

From a302dc0a0faf2778331745a1d01bc3071e182d4d Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Mon, 8 Jan 2024 16:07:05 -0500
Subject: [PATCH] build: Allow using system-provided md4c and tidy libraries.

* CMakeLists.txt <md4c, tidy>: Search for libraries in the system
first, falling back to bundled copies in case they aren't found.

Series-to: jami@gnu.org
Fixes: <https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/1506>
Change-Id: I637959fefce6a21b0ee73a793acb6c3c42dcdce0
---
 CMakeLists.txt | 36 +++++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e802357f..6d2dccfb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -600,20 +600,34 @@ add_subdirectory(3rdparty/SortFilterProxyModel)
 set(SFPM_OBJECTS $<TARGET_O</td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>refs</a><a class='active' href='/guix/log/etc'>log</a><a href='/guix/tree/etc?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>tree</a><a href='/guix/commit/etc?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>commit</a><a href='/guix/diff/etc?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc'>
<input type='hidden' name='id' value='f653a07bb893b028fdbfa2f46f486fcda6731d70'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>root</a>/<a href='/guix/log/etc?id=f653a07bb893b028fdbfa2f46f486fcda6731d70'>etc</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc?id=f653a07bb893b028fdbfa2f46f486fcda6731d70&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-09-21 11:05:36 -0500'>2024-09-21</span></td><td><a href='/guix/commit/etc?id=e602b799fb751ab74eb6fe6d395905a962785085'>.dir-locals.el: Add tempel snippets.</a><span class='msg-avail'>...<span class='msg-tooltip'>Change-Id: Ic16f571f26fffee12e478e00c54be55e6eb90831
Signed-off-by: jgart &lt;jgart@dismail.de&gt;
</span></span></td><td>Nicolas Graves</td></tr>
LUDE_FROM_ALL)
+  list(APPEND CLIENT_LINK_DIRS ${tidy_BINARY_DIR}/Release)
+  list(APPEND CLIENT_INCLUDE_DIRS ${tidy_SOURCE_DIR}/include)
+  list(APPEND CLIENT_LIBS tidy-static)
+endif()
 
 # common executable sources
 qt_add_executable(

base-commit: a4300308dc8d03d59f620bb5fed753df5cf31ed9
-- 
2.41.0