Search libraries in GUIX_KF5INIT_LIB_PATH.

Based on an idea by NixOs
pkgs/development/libraries/kde-frameworks/kinit/kinit-libpath.patch

===================================================================
--- kinit-5.32.0/src/kdeinit/kinit.cpp.orig	2017-10-22 21:02:20.908765455 +0200
+++ kinit-5.32.0/src/kdeinit/kinit.cpp	2017-10-22 21:03:25.312818248 +0200
@@ -623,20 +623,18 @@
             if (libpath_relative) {
                 // NB: Because Qt makes the actual dlopen() call, the
                 //     RUNPATH of kdeinit is *not* respected - see
                 //     https://sourceware.org/bugzilla/show_bug.cgi?id=13945
                 //     - so we try hacking it in ourselves
-                QString install_lib_dir = QFile::decodeName(
-                        CMAKE_INSTALL_PREFIX "/" LIB_INSTALL_DIR "/");
-                QString orig_libpath = libpath;
-                libpath = install_lib_dir + libpath;
-                l.setFileName(libpath);
-                if (!l.load()) {
-                    libpath = orig_libpath;
-                    l.setFileName(libpath);
-                    l.load();
-                }
+                // Try to load the library relative to the active profiles.
+                QByteArrayList profiles = qgetenv("KDEINIT5_LIBRARY_PATH").split(':');
+                for (const QByteArray &profile: profiles) {
+                    if (!profile.isEmpty()) {
+                        l.setFileName(QFile::decodeName(profile) + QStringLiteral("/") + libpath);
+                        if (l.load()) break;
+                    }
+		}
             } else {
                 l.load();
             }
             if (!l.isLoaded()) {
                 QString ltdlError(l.errorString());
>committer</option>
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<div class='path'>path: <a href='/guix/log/?id=64ed1ddae17985ca80ba8cf5cfde7febfb725f91'>root</a>/<a href='/guix/log/nix?id=64ed1ddae17985ca80ba8cf5cfde7febfb725f91'>nix</a>/<a href='/guix/log/nix/libstore?id=64ed1ddae17985ca80ba8cf5cfde7febfb725f91'>libstore</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/nix/libstore?id=64ed1ddae17985ca80ba8cf5cfde7febfb725f91&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-12-18 01:16:47 +0100'>2022-12-18</span></td><td><a href='/guix/commit/nix/libstore?id=2d4d26769d6a3be1b21302b0bb2bd099fd55ccf8'>daemon: Make "opening file" error messages distinguishable.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/build.cc (DerivationGoal::openLogFile): Customize
"opening file" error message.
* nix/libutil/hash.cc (hashFile): Likewise.
* nix/libutil/util.cc (readFile, writeFile): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-17 09:37:27 +0200'>2022-10-17</span></td><td><a href='/guix/commit/nix/libstore?id=eec920ba93ecb086366576e31b785962fbaf81c2'>Revert "nix: Guard against removing temporary roots of living processes."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit bb0beaecdee1a2315a1269b1746d238c8ab0e699.  This
change broke a number of tests that assumed the previous behavior.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-07 16:54:20 -0400'>2022-10-07</span></td><td><a href='/guix/commit/nix/libstore?id=bb0beaecdee1a2315a1269b1746d238c8ab0e699'>nix: Guard against removing temporary roots of living processes.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://issues.guix.gnu.org/25018&gt;.

* nix/libstore/gc.cc (readTempRoots): Add a check to guard against removing
the temporary roots of a living process.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-09-11 16:43:30 +0200'>2022-09-11</span></td><td><a href='/guix/commit/nix/libstore?id=4b32f87e9adf91d5d94287562d8844727d47a07b'>daemon: Remove unused function findOutput.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/misc.cc (findOutput): Remove it.
* nix/libstore/misc.hh (findOutput): Likewise.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2022-09-11 16:43:30 +0200'>2022-09-11</span></td><td><a href='/guix/commit/nix/libstore?id=93032586df6b925e1ed9102dc3a77aa626aa60d3'>daemon: Remove unused function exportPaths.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/store-api.cc (exportPaths): Remove it.
* nix/libstore/store-api.hh (exportPaths): Likewise.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2022-09-11 16:43:30 +0200'>2022-09-11</span></td><td><a href='/guix/commit/nix/libstore?id=1c5f5d6d8cb3bd42ed436e31366a328598165734'>daemon: Remove unused function openStore.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/store-api.cc (openStore): Remove it.
* nix/libstore/store-api.hh (openStore): Likewise.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2022-06-05 02:00:00 +0200'>2022-06-05</span></td><td><a href='/guix/commit/nix/libstore?id=0ace58b99c7292dd962bcd244f274f8033a7fce4'>daemon: Quote consistently within a string.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/build.cc (DerivationGoal::registerOutput): ‘’ → `'.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-29 02:00:00 +0200'>2022-05-29</span></td><td><a href='/guix/commit/nix/libstore?id=82b06436b4b563a85e70f3fcc610959482f08e91'>daemon: Clarify ‘--check’ error when outputs are missing.</a><span class='msg-avail'>...<span class='msg-tooltip'>Drop the confusing ‘invalid’ jargon and display a hint like we do
for ‘--fallback’.

* nix/libstore/build.cc (DerivationGoal::outputsSubstituted): Rewrite error message.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-18 22:29:55 +0200'>2022-05-18</span></td><td><a href='/guix/commit/nix/libstore?id=32916e04f7e1729b7ea5ab768607eb08183c015d'>daemon: runChild() is forbidden to talk during environment set up</a><span class='msg-avail'>...<span class='msg-tooltip'>DerivationGoal::startBuilder() is waiting for an empty line as a check that
the environment set up is fine.

Fixes &lt;https://issues.guix.gnu.org/55324&gt;.

* nix/libstore/build.cc (DerivationGoal::runChild): Remove 'debug'
statement corresponding to bind mounts.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>yarl-baudig@mailoo.org</td></tr>