Search the "extra libs" in GUIX_KF5INIT_LIB_PATH (which basically is a
collection of all /lib directories). We can not hard-code the full path to the
libsKF5Plasam, since adding palse-workspace

Adopted from NixOS
pkgs/development/libraries/kde-frameworks/kinit/kdeinit-extra_libs.patch

===================================================================
--- kinit-5.32.0/src/kdeinit/kinit-5.32.0/src/kdeinit/.orig
+++ kinit-5.32.0/src/kdeinit/kinit.cpp
@@ -96,9 +96,9 @@
     "libKF5Parts.5.dylib",
     "libKF5Plasma.5.dylib"
 #else
-    "libKF5KIOCore.so.5",
-    "libKF5Parts.so.5",
-    "libKF5Plasma.so.5"
+    "GUIX_PKGS_KF5_KIO/lib/libKF5KIOCore.so.5",
+    "GUIX_PKGS_KF5_PARTS/lib/libKF5Parts.so.5",
+    "GUIX_PKGS_KF5_PLASMA/lib/libKF5Plasma.so.5"
 #endif
 };
 #endif
@@ -1673,7 +1673,7 @@
 #if defined(Q_OS_UNIX) && !defined(Q_OS_OSX)
     if (!d.suicide && qEnvironmentVariableIsEmpty("KDE_IS_PRELINKED")) {
         for (const char *extra_lib : extra_libs) {
-            const QString extra = findSharedLib(QString::fromLatin1(extra_lib));
+            const QString extra = QString::fromLatin1(extra_lib);
             if (!extra.isEmpty()) {
                 QLibrary l(extra);
                 l.setLoadHints(QLibrary::ExportExternalSymbolsHint);
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<div class='path'>path: <a href='/guix/log/?id=0be4d0947968168cacffe62e2a6fbfea9bee1683'>root</a>/<a href='/guix/log/tests?id=0be4d0947968168cacffe62e2a6fbfea9bee1683'>tests</a>/<a href='/guix/log/tests/import-git.scm?id=0be4d0947968168cacffe62e2a6fbfea9bee1683'>import-git.scm</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/tests/import-git.scm?id=0be4d0947968168cacffe62e2a6fbfea9bee1683&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-18 19:37:45 +0200'>2021-09-18</span></td><td><a href='/guix/commit/tests/import-git.scm?id=59ee10754eddddb99e4a80b9e18aa12ed1b3d77a'>import: Add 'generic-git' updater.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/git.scm (ls-remote-refs): New procedure.
* tests/git.scm ("remote-refs" "remote-refs: only tags"): New tests.
* guix/import/git.scm: New file.
* doc/guix.texi (Invoking guix refresh): Document it.
* tests/import-git.scm: New test file.
* Makefile.am (MODULES, SCM_TESTS): Register the new files.

Co-authored-by: Sarah Morgensen &lt;iskarian@mgsn.dev&gt;
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Xinglu Chen</td></tr>