C:\>chicken-install -v -test sendfile
sendfile not cached
resolving alias `kitten-technologies' to: http://chicken.kitten-technologies.co.uk/henrietta.cgi
resolving alias `call-cc' to: http://code.call-cc.org/cgi-bin/henrietta.cgi
trying server http://chicken.kitten-technologies.co.uk/henrietta.cgi ...
downloading sendfile: http://chicken.kitten-technologies.co.uk/henrietta.cgi
connecting to host "chicken.kitten-technologies.co.uk", port 80 ...
requesting "/henrietta.cgi?name=sendfile&release=5&mode=default&tests=yes" ...
reading response ...
HTTP/1.1 200 OK
Date: Tue, 14 Aug 2018 09:10:51 GMT
Server: Apache/2.2.31 (Unix) DAV/2 PHP/5.5.36 mod_fastcgi/2.4.6
Connection: close
Transfer-Encoding: chunked
Content-Type: text/plain
reading chunks ....
reading files ...
  ./backward-compatibility/
  ./backward-compatibility/pointer-offset.scm
  ./backward-compatibility/copy-port.scm
  ./backward-compatibility.scm
  ./build-sendfile
  ./build-sendfile.bat
  ./feature-tests/
  ./feature-tests/posix-fadvise.c
  ./feature-tests/madvise.c
  ./feature-tests/mmap.c
  ./feature-tests/sendfile-bsd.c
  ./feature-tests/sendfile-linux.c
  ./feature-tests/sendfile-macos.c
  ./feature-tests/sendfile-sun.c
  ./old-chickens-compat.scm
  ./readme.md
  ./sendfile.egg
  ./sendfile.meta
  ./sendfile.release-info
  ./sendfile.release-info.chicken-5
  ./sendfile.scm
  ./sendfile.setup
  ./strategies/
  ./strategies/mmap.scm
  ./strategies/rw.scm
  ./strategies/sendfile.linux.scm
  ./strategies/sendfile.bsd.scm
  ./strategies/sendfile.macos.scm
  ./strategies/sendfile.solaris.scm
  ./tests/
  ./tests/benchmark.result
  ./tests/benchmark.scm
  ./tests/run.scm
  ./tests/test-helper.scm
xcopy /y /i C:\Users\caca\AppData\Local\Temp\temp745a.6228\* C:\Users\caca\.chicken-install\cache\sendfile
C:\Users\caca\AppData\Local\Temp\temp745a.6228\backward-compatibility.scm
C:\Users\caca\AppData\Local\Temp\temp745a.6228\build-sendfile
C:\Users\caca\AppData\Local\Temp\temp745a.6228\build-sendfile.bat
C:\Users\caca\AppData\Local\Temp\temp745a.6228\old-chickens-compat.scm
C:\Users\caca\AppData\Local\Temp\temp745a.6228\readme.md
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.egg
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.meta
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.release-info
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.release-info.chicken-5
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.scm
C:\Users\caca\AppData\Local\Temp\temp745a.6228\sendfile.setup
11 File(s) copied
sendfile located at C:\Users\caca\.chicken-install\cache\sendfile
checking sendfile ...
checking platform for `sendfile'
checking dependencies for `sendfile'
mapped ("srfi-4") to ()
install order:
("sendfile")
building sendfile
running script C:\Users\caca\.chicken-install\cache\sendfile\sendfile.build.bat
executing: "C:\\Users\\caca\\.chicken-install\\cache\\sendfile\\sendfile.build.bat"
   C:\Users\caca\.chicken-install\cache\sendfile\build-sendfile.bat -host -D compiling-extension -J -s -setup-mode -I C:\Users\caca\.chicken-install\cache\sendfile -C -IC:\Users\caca\.chicken-install\cache\sendfile -O2 -d1 C:\Users\caca\.chicken-install\cache\sendfile\sendfile.scm -o C:\Users\caca\.chicken-install\cache\sendfile\sendfile.so

Error: (include) cannot open file: "backward-compatibility/pointer-offset.scm"

        Call history:

                  (##core#begin (##core#undefined))
                  (##core#undefined)
                  (##core#require memory-mapped-files memory-mapped-files#)
                  (chicken.load#load-extension (##core#quote memory-mapped-files) (##core#quote (memory-mapped-files#)...
                  (##core#quote memory-mapped-files)
                  (##core#quote (memory-mapped-files#))
                  (##core#quote require)
                  (foreign-declare "#ifndef _XOPEN_SOURCE\n#define _XOPEN_SOURCE 600\n#endif")
                  (##core#declare (foreign-declare "#ifndef _XOPEN_SOURCE\n#define _XOPEN_SOURCE 600\n#endif"))
                  (##core#begin (##core#undefined))
                  (##core#undefined)
                  (include "backward-compatibility.scm")
                  (##core#include "backward-compatibility.scm" #f)
                  (##core#begin)
                  (include "backward-compatibility/pointer-offset.scm")
                  (##core#include "backward-compatibility/pointer-offset.scm" #f)       <--

Error: shell command terminated with non-zero exit status 70: ""C:/coop/master/bin/chicken.exe" "C:/Users/caca/.chicken-install/cache/sendfile/sendfile.scm" -output-file "C:/Users/caca/.chicken-install/cache/sendfile/sendfile.c" -dynamic -feature chicken-compile-shared -feature compiling-extension -emit-all-import-libraries -setup-mode -include-path C:\\Users\\caca\\.chicken-install\\cache\\sendfile -optimize-level 2 -debug-level 1"

Error: shell command terminated with nonzero exit code
1
"C:\\Users\\caca\\.chicken-install\\cache\\sendfile\\sendfile.build.bat"