--- portmidi~/pm_linux/pmlinuxalsa.c	2009-09-16 05:41:04.000000000 +0200
+++ portmidi/pm_linux/pmlinuxalsa.c	2009-09-16 05:45:29.000000000 +0200
@@ -243,8 +243,8 @@
     alsa_descriptor_type desc = (alsa_descriptor_type) midi->descriptor;
     if (!desc) return pmBadPtr;
 
-    if (pm_hosterror = snd_seq_disconnect_to(seq, desc->this_port, 
-                                             desc->client, desc->port)) {
+    if ((pm_hosterror = snd_seq_disconnect_to(seq, desc->this_port, 
+                                             desc->client, desc->port))) {
         // if there's an error, try to delete the port anyway, but don't
         // change the pm_hosterror value so we retain the first error
         snd_seq_delete_port(seq, desc->this_port);
@@ -333,8 +333,8 @@
 {
     alsa_descriptor_type desc = (alsa_descriptor_type) midi->descriptor;
     if (!desc) return pmBadPtr;
-    if (pm_hosterror = snd_seq_disconnect_from(seq, desc->this_port, 
-                                               desc->client, desc->port)) {
+    if ((pm_hosterror = snd_seq_disconnect_from(seq, desc->this_port, 
+                                               desc->client, desc->port))) {
         snd_seq_delete_port(seq, desc->this_port); /* try to close port */
     } else {
         pm_hosterror = snd_seq_delete_port(seq, desc->this_port);
@@ -421,7 +421,7 @@
     }
     if (desc->error < 0) return pmHostError;
 
-    VERBOSE printf("snd_seq_drain_output: 0x%x\n", seq);
+    VERBOSE printf("snd_seq_drain_output: 0x%x\n", (unsigned int)seq);
     desc->error = snd_seq_drain_output(seq);
     if (desc->error < 0) return pmHostError;
 
@@ -607,7 +607,7 @@
     case SND_SEQ_EVENT_SYSEX: {
         const BYTE *ptr = (const BYTE *) ev->data.ext.ptr;
         /* assume there is one sysex byte to process */
-        pm_read_bytes(midi, ptr, ev->data.ext.len, timestamp);
+        pm_read_bytes(midi, (unsigned char*)ptr, ev->data.ext.len, timestamp);
         break;
     }
     }