Change submitted by Doug Kaufman. He writes:

I just compiled the 9.9-dev version from the 12022007 tarball under
  DJGPP. There were only 2 changes needed, one for b_sock.c, since
  DJGPP with WATT32 doesn't define socklen_t and one for testtsa to
  handle DOS style path separators. I also noted what seems to be a
  typographical error in ts.pod. The test suite passes. The patch is
  attached.

  Since I am in the US, I have sent notifications to the Bureau of
  Industry and Security and to the NSA.

crypto/bio/b_sock.c

@@ -800,7 +800,7 @@ int BIO_accept(int sock, char **addr)
 	if (addr == NULL) goto end;
 
 #ifdef EAI_FAMILY
-# if defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_BEOS_BONE)
+# if defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_BEOS_BONE) || defined(OPENSSL_SYS_MSDOS)
 #  define SOCKLEN_T size_t
 # else
 #  define SOCKLEN_T socklen_t

doc/apps/ts.pod

@@ -370,7 +370,7 @@ See L<ca(1)|ca(1)> for description. (Optional)
 
 The name of the file containing the hexadecimal serial number of the
 last time stamp response created. This number is incremented by 1 for
-each response. If the file does not exit at the time of response
+each response. If the file does not exist at the time of response
 generation a new file is created with serial number 1. (Mandatory)
 
 =item B<crypto_device>

test/testtsa

@@ -5,7 +5,11 @@
 #
 
 SH="/bin/sh"
-PATH=../../apps:$PATH
+if test "$OSTYPE" = msdosdjgpp; then
+    PATH="../apps\;$PATH"
+else
+    PATH="../apps:$PATH"
+fi
 export SH PATH
 
 OPENSSL_CONF="../CAtsa.cnf"