--- gdb-7.2.50.20110328.orig/gdb/dwarf2read.c	2011-03-30 12:52:20.395450001 +0200
+++ gdb-7.2.50.20110328/gdb/dwarf2read.c	2011-03-30 13:41:55.485450006 +0200
@@ -66,12 +66,14 @@
 #ifdef HAVE_ZLIB_H
 #include <zlib.h>
 #endif
+#ifndef __sparc__
 #ifdef HAVE_MMAP
 #include <sys/mman.h>
 #ifndef MAP_FAILED
 #define MAP_FAILED ((void *) -1)
 #endif
 #endif
+#endif
 
 typedef struct symbol *symbolp;
 DEF_VEC_P (symbolp);
@@ -1563,6 +1565,7 @@
         }
     }
 
+#ifndef __sparc__
 #ifdef HAVE_MMAP
   if (pagesize == 0)
     pagesize = getpagesize ();
@@ -1589,6 +1592,7 @@
 	}
     }
 #endif
+#endif
 
   /* If we get here, we are a normal, not-compressed section.  */
   info->buffer = buf
@@ -15439,6 +15443,7 @@
 {
   if (info->was_mmapped)
     {
+#ifndef __sparc__
 #ifdef HAVE_MMAP
       intptr_t begin = (intptr_t) info->buffer;
       intptr_t map_begin = begin & ~(pagesize - 1);
@@ -15449,6 +15454,7 @@
       /* Without HAVE_MMAP, we should never be here to begin with.  */
       gdb_assert_not_reached ("no mmap support");
 #endif
+#endif
     }
 }