diff -Nru gcc-4.0.2.orig/gcc/java/zextract.c gcc-4.0.2/gcc/java/zextract.c
--- gcc-4.0.2.orig/gcc/java/zextract.c	2005-10-21 12:02:51.000000000 +0200
+++ gcc-4.0.2/gcc/java/zextract.c	2005-10-24 12:10:13.000000000 +0200
@@ -287,6 +287,21 @@
     return -1;
   if (read (zipf->fd, buffer, ECREC_SIZE+4) != ECREC_SIZE+4)
     return -2;
+  if (buffer[0] != 'P' || strncmp ((const char *) &buffer[1], END_CENTRAL_SIG, 3)) {
+    /* We could not find the end-central-header signature, probably
+       because a zipfile comment is present. Scan backwards until we
+       find the signature. */
+    if (lseek (zipf->fd, (long)(-ECREC_SIZE), SEEK_END) <= 0)
+      return -2;
+    while (buffer[0] != 'P' || strncmp ((const char *) &buffer[1], END_CENTRAL_SIG, 3)) {
+      if (lseek (zipf->fd, -5, SEEK_CUR) < 0)
+        return -2;
+      if (read (zipf->fd, buffer, 4) != 4)
+        return -2;
+    } 
+    if (read (zipf->fd, buffer + 4, ECREC_SIZE) != ECREC_SIZE)
+      return -2;
+  }
   zipf->count = makeword((const uch *) &buffer[TOTAL_ENTRIES_CENTRAL_DIR]);
   zipf->dir_size = makelong((const uch *) &buffer[SIZE_CENTRAL_DIRECTORY]);
 #define ALLOC xmalloc
