diff -ru sooperlooper-1.6.13.orig/libs/midi++/midi.cc sooperlooper-1.6.13/libs/midi++/midi.cc
--- sooperlooper-1.6.13.orig/libs/midi++/midi.cc	2009-03-04 09:28:54.000000000 +0000
+++ sooperlooper-1.6.13/libs/midi++/midi.cc	2009-03-04 09:36:18.000000000 +0000
@@ -159,7 +159,7 @@
 MIDI::decode_controller_name (const char *name)
 
 {
-	char *lparen;
+	const char *lparen;
 	size_t len;
 
 	if ((lparen = strrchr (name, '(')) != 0) {
diff -ru sooperlooper-1.6.13.orig/libs/pbd/basename.cc sooperlooper-1.6.13/libs/pbd/basename.cc
--- sooperlooper-1.6.13.orig/libs/pbd/basename.cc	2009-03-04 09:28:54.000000000 +0000
+++ sooperlooper-1.6.13/libs/pbd/basename.cc	2009-03-04 09:29:30.000000000 +0000
@@ -6,7 +6,7 @@
 PBD::basename (const char *path)
 
 {
-	char *slash;
+	const char *slash;
 
 	if ((slash = strrchr (path, '/')) == 0) {
 		return strdup (path);
diff -ru sooperlooper-1.6.13.orig/libs/pbd/dirname.cc sooperlooper-1.6.13/libs/pbd/dirname.cc
--- sooperlooper-1.6.13.orig/libs/pbd/dirname.cc	2009-03-04 09:28:54.000000000 +0000
+++ sooperlooper-1.6.13/libs/pbd/dirname.cc	2009-03-04 09:29:24.000000000 +0000
@@ -9,7 +9,7 @@
 PBD::dirname (const char *path)
 
 {
-	char *slash;
+	const char *slash;
 	size_t len;
 	char *ret;