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)
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<div class='path'>path: <a href='/guix/log/?id=c93f83757a8fcbeb294e43b43eec0725963005be&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=c93f83757a8fcbeb294e43b43eec0725963005be&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=c93f83757a8fcbeb294e43b43eec0725963005be&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/easyrpg.scm?id=c93f83757a8fcbeb294e43b43eec0725963005be&amp;showmsg=1'>easyrpg.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/gnu/packages/easyrpg.scm?id=c93f83757a8fcbeb294e43b43eec0725963005be'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2022-01-18 01:14:15 +0100'>2022-01-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/easyrpg.scm?id=b4dd92d38a966e14c338400b6b965bb31e4508de'>gnu: easyrpg-player: Update to 0.7.0.</a></td><td>Nicolas Goaziou</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/easyrpg.scm (easyrpg-player): Update to 0.7.0.
[inputs]: Add fluidsynth, fmt.


</td></tr>
<tr class='logheader'><td><span title='2022-01-18 01:14:15 +0100'>2022-01-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/easyrpg.scm?id=7c80c0dd082399830474b7d7fa2f1a829f5b5d91'>gnu: liblcf: Update to 0.7.0.</a></td><td>Nicolas Goaziou</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/easyrpg.scm (liblcf): Update to 0.7.0.


</td></tr>
<tr class='logheader'><td><span title='2021-12-13 22:15:07 +0100'>2021-12-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/easyrpg.scm?id=e3196755e60ba7f1ed9d432e73f26a85e0c8893c'>gnu: Further simplify package inputs.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
This is the result of running:

  ./pre-inst-env guix style --input-simplification=safe

and manually undoing changes on a dozen of packages to reduce
rebuilds (derivations for emacs, icecat, and libreoffice are unchanged.)


</td></tr>
<tr class='logheader'><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/easyrpg.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.


</td></tr>
<tr class='logheader'><td><span title='2021-09-18 23:16:22 +0200'>2021-09-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/easyrpg.scm?id=4e44e1c67286d89728fc6eee650ddfecd6e35366'>gnu: easyrpg-player: Add wildmidi input.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Suggested by moshy on #guix.

* gnu/packages/easyrpg.scm (easyrpg-player)[inputs]: Add wildmidi.


</td></tr>