moved pgm_create_custom_gsi into PGM1 and drop ssl dependency

configure.in

@@ -390,11 +390,6 @@ if test "x$with_pgm1_ext" != "xno"; then
         ;;
     esac
 
-    AC_CHECK_HEADERS(openssl/md5.h, [] , 
-        [AC_MSG_ERROR([To run configure with --with-pgm option, openssl/md5.h has to be usable.])])
-
-    AC_CHECK_LIB(ssl, MD5_Init, , [AC_MSG_ERROR([Could not link with libssl, install develop version.])])
-
     AC_CHECK_PROG(have_tar, tar, yes, no)
     if test "x$have_tar" != "xyes"; then
         AC_MSG_ERROR([Could not find tar.])
@@ -439,6 +434,14 @@ if test "x$with_pgm1_ext" != "xno"; then
         AC_MSG_ERROR([Could not apply foreign/openpgm/lost_data_tsi.patch file.])
     fi
 
+    AC_MSG_CHECKING([Patching ${pgm_basename}])
+
+    if patch --silent -p0 < foreign/openpgm/create_custom_gsi.patch; then
+        AC_MSG_RESULT([yes])
+    else
+        AC_MSG_ERROR([Could not apply foreign/openpgm/create_custom_gsi.patch file.])
+    fi
+
     #  Generate galois_tables.c
     AC_CONFIG_COMMANDS([galois_tables.c], 
         [perl foreign/openpgm/libpgm-1.2.14/openpgm/pgm/galois_generator.pl > \
@@ -481,11 +484,6 @@ if test "x$with_pgm2_ext" != "xno"; then
         ;;
     esac
 
-    AC_CHECK_HEADERS(openssl/md5.h, [] , 
-        [AC_MSG_ERROR([To run configure with --with-pgm2 option, openssl/md5.h has to be usable.])])
-
-    AC_CHECK_LIB(ssl, MD5_Init, , [AC_MSG_ERROR([Could not link with libssl, install develop version.])])
-
     if test "x$pyzmq" != "xyes"; then
         AC_CHECK_PROG(have_python, python, yes, no)
         if test "x$have_python" != "xyes"; then

foreign/openpgm/create_custom_gsi.patch

+--- foreign/openpgm/libpgm-1.2.14/openpgm/pgm/include/pgm/gsi.h 2009-08-27 04:53:23.000000000 +0200
++++ foreign/openpgm/libpgm-1.2.14/openpgm/pgm/include/pgm/gsi.h 2009-10-05 09:29:21.765126004 +0200
+@@ -42,6 +42,7 @@
+
+ int pgm_create_md5_gsi (pgm_gsi_t*);
+ int pgm_create_ipv4_gsi (pgm_gsi_t*);
++int pgm_create_custom_gsi (const char *string_, pgm_gsi_t*);
+
+ int pgm_print_gsi_r (const pgm_gsi_t*, char*, gsize);
+ gchar* pgm_print_gsi (const pgm_gsi_t*);
+
+--- foreign/openpgm/libpgm-1.2.14/openpgm/pgm/gsi.c     2009-08-27 04:53:25.000000000 +0200
++++ foreign/openpgm/libpgm-1.2.14/openpgm/pgm/gsi.c     2009-10-05 09:28:47.113125069 +0200
+@@ -430,6 +430,28 @@
+        return retval;
+ }
+
++/* create a global session ID as low order 48 bits of md5 of the string. */
++int
++pgm_create_custom_gsi (
++        const char *string_,
++        pgm_gsi_t*      gsi_
++        )
++{
++        g_return_val_if_fail (gsi_ != NULL, -EINVAL);
++
++        struct md5_ctx ctx;
++        char resblock [16];
++
++        md5_init_ctx (&ctx);
++        md5_process_bytes (string_, strlen (string_), &ctx);
++        md5_finish_ctx (&ctx, resblock);
++
++        memcpy (gsi_, resblock + 10, 6);
++
++        return 0;
++}
++
++
+ /* re-entrant form of pgm_print_gsi()
+  */
+ int
+

foreign/openpgm/lost_data_tsi.patch

---- libpgm-1.2.14/openpgm/pgm/transport.c	2009-08-27 04:54:04.000000000 +0200
+--- foreign/openpgm/libpgm-1.2.14/openpgm/pgm/transport.c	2009-08-27 04:54:04.000000000 +0200
 +++ foreign/openpgm/libpgm-1.2.14/openpgm/pgm/transport.c	2009-09-22 14:36:07.713124619 +0200
 @@ -2342,6 +2342,7 @@
  			if (waiting_rxw->ack_cumulative_losses != waiting_rxw->cumulative_losses)
@@ -64,7 +64,7 @@
  		rxw->pgm_sock_err.lost_count = rxw->cumulative_losses - rxw->ack_cumulative_losses;
  		rxw->ack_cumulative_losses = rxw->cumulative_losses;
  
---- libpgm-1.2.14/openpgm/pgm/include/pgm/transport.h	2009-08-27 04:53:23.000000000 +0200
+--- foreign/openpgm/libpgm-1.2.14/openpgm/pgm/include/pgm/transport.h	2009-08-27 04:53:23.000000000 +0200
 +++ foreign/openpgm/libpgm-1.2.14/openpgm/pgm/include/pgm/transport.h	2009-09-21 15:49:36.000000000 +0200
 @@ -205,6 +205,7 @@
      gboolean		is_bound;

src/pgm_socket.cpp

@@ -22,11 +22,10 @@
 #ifdef ZMQ_HAVE_OPENPGM
 
 #ifdef ZMQ_HAVE_LINUX
-//  TODO: add this into platform.hpp?
+//  TODO: needed for pgm - add this into platform.hpp?
 #define CONFIG_HAVE_POLL
 
 #include <pgm/pgm.h>
-#include <openssl/md5.h>
 #endif
 
 #include <string>
@@ -69,21 +68,6 @@ zmq::pgm_socket_t::pgm_socket_t (bool receiver_, const options_t &options_) :
     
 }
 
-int zmq::pgm_socket_t::pgm_create_custom_gsi (const char *data_, pgm_gsi_t *gsi_)
-{
-
-    unsigned char result_md5 [16];
-
-    MD5_CTX ctx;
-    MD5_Init (&ctx);
-    MD5_Update (&ctx, data_, strlen (data_));
-    MD5_Final (result_md5, &ctx);
-
-    memcpy (gsi_, result_md5 + 10, 6);
-
-    return 0;
-}
-
 int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
 {
     udp_encapsulation = udp_encapsulation_;

src/pgm_socket.hpp

@@ -96,9 +96,6 @@ namespace zmq
         //  Returns maximum count of apdus which fills readbuf_size_
         size_t get_max_apdu_at_once (size_t readbuf_size_);
 
-        //  Compute gsi from string.
-        int pgm_create_custom_gsi (const char *data_, pgm_gsi_t *gsi_);
-
         //  Associated socket options.
         options_t options;
        

src/platform.hpp.in

@@ -36,9 +36,6 @@
 /* Define to 1 if you have the `socket' library (-lsocket). */
 #undef HAVE_LIBSOCKET
 
-/* Define to 1 if you have the `ssl' library (-lssl). */
-#undef HAVE_LIBSSL
-
 /* Define to 1 if you have the `stdc++' library (-lstdc++). */
 #undef HAVE_LIBSTDC__
 
@@ -64,9 +61,6 @@
 /* Define to 1 if you have the <netinet/tcp.h> header file. */
 #undef HAVE_NETINET_TCP_H
 
-/* Define to 1 if you have the <openssl/md5.h> header file. */
-#undef HAVE_OPENSSL_MD5_H
-
 /* Define to 1 if you have the `perror' function. */
 #undef HAVE_PERROR