Have configure.py modify internal variables depending on the --qml-plugindir
configure option.
diff -u PyQt-gpl-5.4.alt/configure.py PyQt-gpl-5.4/configure.py
--- PyQt-gpl-5.4.alt/configure.py	2015-01-25 17:27:50.000000000 +0100
+++ PyQt-gpl-5.4/configure.py	2015-01-25 17:56:41.000000000 +0100
@@ -904,6 +904,9 @@
         if opts.pyuicinterpreter is not None:
             self.pyuic_interpreter = opts.pyuicinterpreter
 
+        if opts.qmlplugindir is not None:
+            self.qml_plugin_dir = opts.qmlplugindir
+
         if opts.qsciapidir is not None:
             self.qsci_api_dir = opts.qsciapidir
 
 type='hidden' name='id' value='1ccc5cfc387d14fa3ebe864e16c0637994819b0f'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>refs</a><a class='active' href='/guix/log/nix/libutil/hash.cc'>log</a><a href='/guix/tree/nix/libutil/hash.cc?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>tree</a><a href='/guix/commit/nix/libutil/hash.cc?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>commit</a><a href='/guix/diff/nix/libutil/hash.cc?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/nix/libutil/hash.cc'>
<input type='hidden' name='id' value='1ccc5cfc387d14fa3ebe864e16c0637994819b0f'/><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=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>root</a>/<a href='/guix/log/nix?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>nix</a>/<a href='/guix/log/nix/libutil?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>libutil</a>/<a href='/guix/log/nix/libutil/hash.cc?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f'>hash.cc</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/libutil/hash.cc?id=1ccc5cfc387d14fa3ebe864e16c0637994819b0f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/libutil/hash.cc?id=8e6c1415d87272c0221ce328715fc0dd1dd3e032'>daemon: Recognize SHA3 and BLAKE2s.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.hh (HashType): Add htSHA3_256, htSHA3_512, and
htBLAKE2s_256.
* nix/libutil/hash.cc (parseHashType, printHashType): Recognize them.
* tests/store.scm ("add-to-store"): Test these algorithms.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/libutil/hash.cc?id=8dc6c387852bb9505be44567a5f56913633cc23a'>daemon: Remove OpenSSL hash compatibility wrappers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.cc (struct Ctx): Copy from gcrypt-hash.hh.
(start, update, finish): Use gcrypt functions directly instead of
OpenSSL-like wrappers.
* nix/libutil/gcrypt-hash.cc, nix/libutil/gcrypt-hash.hh,
nix/libutil/md5.h, nix/libutil/sha1.h, nix/libutil/sha256.h,
nix/libutil/sha512.h: Remove.
* nix/local.mk (libutil_a_SOURCES, libutil_headers): Adjust
accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/libutil/hash.cc?id=3fb6b8f30444d41963ba5bdd441123a6d2df17bd'>daemon: Map directly to gcrypt hash functions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.hh (HashType): Map directly to GCRY_MD_ values.
(md5HashSize, sha1HashSize, sha256HashSize, sha512HashSize): Remove.
* nix/libutil/hash.cc (Hash::Hash): Use 'gcry_md_get_algo_dlen'.
</span></span></td><td>Ludovic Courtès</td></tr>