Chicken 5.3.0rc3 MingW64 build and install of an egg

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$ echo $PATH
/mingw64/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl

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$ make PREFIX=C:/msys64/usr/local
echo '#define C_CHICKEN_PROGRAM "chicken.exe"' >> chicken-defaults.h
echo '#ifndef C_INSTALL_CC' >> chicken-defaults.h
echo '# define C_INSTALL_CC "gcc"' >> chicken-defaults.h
...
gcc -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H -DC_ENABLE_PTABLES -Os chicken-do.c -o chicken-do.exe
cat feathers.in >feathers; echo 'exec "$wish" "C:/msys64/usr/local/share/chicken/feathers.tcl" -- "$@"' >>feathers
windres chicken.rc chicken.rc.o

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$ make install
mkdir -p "/usr/local/lib"
cp -r libchicken.dll.a "/usr/local/lib"
mkdir -p "/usr/local/bin"
cp -r libchicken.dll "/usr/local/bin"
mkdir -p "/usr/local/lib"
...
cp -r chicken.tcp.import.so "/usr/local/lib/chicken/11"
cp -r chicken.compiler.user-pass.import.so "/usr/local/lib/chicken/11"
/usr/local/bin/chicken-install -defaults ./setup.defaults -update-db
loading import libraries ...
generating database ...
mkdir -p "/usr/local/share/man/man1"
mkdir -p "/usr/local/share/chicken/doc"
...
cp -r ./setup.defaults "/usr/local/share/chicken"
cp -r ./feathers.tcl "/usr/local/share/chicken"

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$ chicken-install.exe -repository
C:/msys64/usr/local/lib/chicken/11

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$ chicken-install srfi-1
fetching srfi-1
'xcopy' is not recognized as an internal or external command,
operable program or batch file.

Error: (open-input-file) cannot open file - No such file or directory: "C:\\Users\\markj\\AppData\\Local\\chicken-install\\srfi-1\\srfi-1.egg"