(if (eq? (software-type) 'windows)
    (begin
      (compile
       -O2 -d0 -s -j openssl "openssl.scm" -lssl -lcrypto -lgdi32)
      (compile -O2 -d0 -s openssl.import.scm)
      (compile
       -O2 -d0 -c "openssl.scm" -lssl -lcrypto -lgdi32
       -o openssl-static.o -unit openssl -D static))
    (begin
      (compile
       -O2 -d0 -s -j openssl "openssl.scm" -lssl -lcrypto)
      (compile -O2 -d0 -s openssl.import.scm)
      (compile
       -O2 -d0 -c "openssl.scm" -lssl -lcrypto
       -o openssl-static.o -unit openssl -D static)))

(install-extension
  'openssl
  '("openssl.scm" "openssl.so" "openssl.import.so" "openssl-static.o")
  '((version "1.5.1") 
    (static "openssl-static.o")
    (static-options "-lssl -lcrypto -lgdi32")))