Patch taken from https://sources.debian.org/data/main/g/gpsbabel/1.5.3-2/debian/patches/use_minizip.

--- a/Makefile.in
+++ b/Makefile.in
@@ -120,7 +120,7 @@ LIBOBJS = queue.o route.o waypt.o filter
 	  src/core/usasciicodec.o\
 	  src/core/ziparchive.o \
 	  $(GARMIN) $(JEEPS) $(SHAPE) @ZLIB@ $(FMTS) $(FILTERS)
-OBJS = main.o globals.o $(LIBOBJS) @FILEINFO@
+OBJS = main.o globals.o $(MINIZIP) $(LIBOBJS) @FILEINFO@
 
 DEPFILES = $(OBJS:.o=.d)
 .org/cgit-static/cgit.png' alt='cgit logo'/></a></td>
<td class='main'><a href='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='3f092e4d762636ebef394d2a61d4967dcffe806d'/><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=3f092e4d762636ebef394d2a61d4967dcffe806d'>refs</a><a class='active' href='/guix/log/tests/keys/civodul.pub'>log</a><a href='/guix/tree/tests/keys/civodul.pub?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>tree</a><a href='/guix/commit/tests/keys/civodul.pub?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>commit</a><a href='/guix/diff/tests/keys/civodul.pub?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/keys/civodul.pub'>
<input type='hidden' name='id' value='3f092e4d762636ebef394d2a61d4967dcffe806d'/><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=3f092e4d762636ebef394d2a61d4967dcffe806d'>root</a>/<a href='/guix/log/tests?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>tests</a>/<a href='/guix/log/tests/keys?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>keys</a>/<a href='/guix/log/tests/keys/civodul.pub?id=3f092e4d762636ebef394d2a61d4967dcffe806d'>civodul.pub</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/keys/civodul.pub?id=3f092e4d762636ebef394d2a61d4967dcffe806d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-22 10:53:19 +0100'>2021-12-22</span></td><td><a href='/guix/commit/tests/keys/civodul.pub?id=9ebc9ca070a21ba0aeb3f61202a8071bb250ccc8'>tests: Move keys into ./tests/keys/ and add a third ed25519 key.</a><span class='msg-avail'>...</span></td><td>Attila Lendvai</td></tr>