--- a/autoconf/config.sub	2011-05-07 00:54:06.000000000 -0400
+++ b/autoconf/config.sub	2011-05-07 01:17:02.000000000 -0400
@@ -1281,6 +1281,7 @@ case $os in
 	      | -kopensolaris* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* | -aros* \
+	      | -xomb* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
@@ -1329,6 +1330,9 @@ case $os in
 	-linux*)
 		os=`echo $os | sed -e 's|linux|linux-gnu|'`
 		;;
+	-xomb*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+		;;
 	-sunos5*)
 		os=`echo $os | sed -e 's|sunos5|solaris2|'`
 		;;
--- llvm-pristine/autoconf/configure.ac	2011-05-07 00:54:06.000000000 -0400
+++ llvm-2.8/autoconf/configure.ac	2011-05-07 00:57:48.000000000 -0400
@@ -198,6 +198,11 @@ AC_CACHE_CHECK([type of operating system
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Linux"
     llvm_cv_platform_type="Unix" ;;
+  *-*-xomb*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="Linux"
+    llvm_cv_platform_type="Unix" ;;
   *-*-gnu*)
      llvm_cv_target_os_type="GNU" ;;
   *-*-solaris*)
@@ -267,6 +272,8 @@ AC_CACHE_CHECK([type of operating system
     llvm_cv_target_os_type="Interix" ;;
   *-*-linux*)
     llvm_cv_target_os_type="Linux" ;;
+  *-*-xomb*)
+    llvm_cv_target_os_type="Linux" ;;
   *-*-gnu*)
      llvm_cv_target_os_type="GNU" ;;
   *-*-solaris*)
--- llvm-pristine/configure	2011-05-07 00:54:06.000000000 -0400
+++ llvm-2.8/configure	2011-05-07 01:14:55.000000000 -0400
@@ -2205,6 +2205,11 @@ else
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Linux"
     llvm_cv_platform_type="Unix" ;;
+  *-*-xomb*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="Linux"
+    llvm_cv_platform_type="Unix" ;;
   *-*-gnu*)
      llvm_cv_target_os_type="GNU" ;;
   *-*-solaris*)
@@ -2280,6 +2285,8 @@ else
     llvm_cv_target_os_type="Interix" ;;
   *-*-linux*)
     llvm_cv_target_os_type="Linux" ;;
+  *-*-xomb*)
+    llvm_cv_target_os_type="Linux" ;;
   *-*-gnu*)
      llvm_cv_target_os_type="GNU" ;;
   *-*-solaris*)
@@ -2349,7 +2356,7 @@ if test "${llvm_cv_target_arch+set}" = s
 else
   case $target in
   i?86-*)                 llvm_cv_target_arch="x86" ;;
-  amd64-* | x86_64-*)     llvm_cv_target_arch="x86_64" ;;
+  amd64-* | x86_64-* | xomb*)     llvm_cv_target_arch="x86_64" ;;
   sparc*-*)               llvm_cv_target_arch="Sparc" ;;
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
   alpha*-*)               llvm_cv_target_arch="Alpha" ;;
@@ -10033,6 +10040,35 @@ linux*)
   # assume the GNU/Linux dynamic linker is in use.
   dynamic_linker='GNU/Linux ld.so'
   ;;
+# This must be Linux ELF.
+xomb*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
 
 knetbsd*-gnu)
   version_type=linux
@@ -10370,6 +10406,13 @@ linux*)
     lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
   fi
   ;;
+xomb*)
+  if test "$host_cpu" = ia64; then
+    symcode='[ABCDGIRSTW]'
+    lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+    lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
+  fi
+  ;;
 irix* | nonstopux*)
   symcode='[BCDEGRST]'
   ;;
@@ -11512,7 +11555,7 @@ else
     # If you are looking for one http://www.opendarwin.org/projects/dlcompat
     libltdl_cv_sys_dlopen_deplibs=yes
     ;;
-  gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+  gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu | xomb*)
     # GNU and its variants, using gnu ld.so (Glibc)
     libltdl_cv_sys_dlopen_deplibs=yes
     ;;