diff -up OpenJPEG_v1_3/codec/dirent.h.alpha_dirent OpenJPEG_v1_3/codec/dirent.h
--- OpenJPEG_v1_3/codec/dirent.h.alpha_dirent 2009-01-16 13:23:48.000000000 +0100
+++ OpenJPEG_v1_3/codec/dirent.h 2009-01-16 13:24:55.000000000 +0100
@@ -118,6 +118,8 @@
# define HAVE_SYS_DIR_H
# elif defined(__hpux) /* HP-UX */
# define HAVE_DIRENT_H
+# elif defined (__linux__) && defined (__alpha) /* Alpha Linux */
+# define HAVE_DIRENT_H
# elif defined(__alpha) || defined(__alpha__) /* Alpha OSF1 */
# error "not implemented"
# elif defined(__sgi) /* Silicon Graphics */