Rebased PNaCl localmods in LLVM to 223109

configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.60 for LLVM 3.6.0svn.
 #
 # Report bugs to <http://llvm.org/bugs/>.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 # 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
@@ skipping 3998 matching lines @@
   *-unknown-eabi*)
     llvm_cv_link_all_option="-Wl,--whole-archive"
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Freestanding"
     llvm_cv_platform_type="Unix" ;;
   *-unknown-elf*)
     llvm_cv_link_all_option="-Wl,--whole-archive"
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Freestanding"
     llvm_cv_platform_type="Unix" ;;
+  *-*-nacl*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="NativeClient"
+    llvm_cv_platform_type="Unix" ;;
   *)
     llvm_cv_link_all_option=""
     llvm_cv_no_link_all_option=""
     llvm_cv_os_type="Unknown"
     llvm_cv_platform_type="Unknown" ;;
 esac
 fi
 { echo "$as_me:$LINENO: result: $llvm_cv_os_type" >&5
 echo "${ECHO_T}$llvm_cv_os_type" >&6; }
 
@@ skipping 15981 matching lines @@
            --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
         { { echo "$as_me:$LINENO: error: $ac_sub_configure failed for $ac_dir" >&5
 echo "$as_me: error: $ac_sub_configure failed for $ac_dir" >&2;}
    { (exit 1); exit 1; }; }
     fi
 
     cd "$ac_popdir"
   done
 fi