X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=configure;h=98b9c97b95529ac03910d06d764349db79b3b3be;hb=8b67f774e9c38b7718b2b300b628388f966df4e0;hp=7951f9610ad8cbc7002c924646c68841794d8ef3;hpb=f0b9effccba2db106523bb998e61ee7b345474cc;p=oota-llvm.git

diff --git a/configure b/configure
index 7951f9610ad..98b9c97b955 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.60 for llvm 2.6svn.
+# Generated by GNU Autoconf 2.60 for llvm 2.7svn.
 #
 # Report bugs to <llvmbugs@cs.uiuc.edu>.
 #
@@ -9,7 +9,7 @@
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 #
-# Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.
+# Copyright (c) 2003-2009 University of Illinois at Urbana-Champaign.
 ## --------------------- ##
 ## M4sh Initialization.  ##
 ## --------------------- ##
@@ -715,8 +715,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='llvm'
 PACKAGE_TARNAME='-llvm-'
-PACKAGE_VERSION='2.6svn'
-PACKAGE_STRING='llvm 2.6svn'
+PACKAGE_VERSION='2.7svn'
+PACKAGE_STRING='llvm 2.7svn'
 PACKAGE_BUGREPORT='llvmbugs@cs.uiuc.edu'
 
 ac_unique_file="lib/VMCore/Module.cpp"
@@ -808,6 +808,8 @@ target_cpu
 target_vendor
 target_os
 OS
+HOST_OS
+TARGET_OS
 LINKALL
 NOLINKALL
 LLVM_ON_UNIX
@@ -835,6 +837,7 @@ DISABLE_ASSERTIONS
 ENABLE_EXPENSIVE_CHECKS
 EXPENSIVE_CHECKS
 DEBUG_RUNTIME
+DEBUG_SYMBOLS
 JIT
 TARGET_HAS_JIT
 ENABLE_DOXYGEN
@@ -843,6 +846,7 @@ ENABLE_PIC
 TARGETS_TO_BUILD
 LLVM_ENUM_TARGETS
 LLVM_ENUM_ASM_PRINTERS
+LLVM_ENUM_ASM_PARSERS
 ENABLE_CBE_PRINTF_A
 EXTRA_OPTIONS
 BINUTILS_INCDIR
@@ -910,6 +914,7 @@ LLVMGXXCOMMAND
 LLVMGCC
 LLVMGXX
 USE_UDIS86
+USE_OPROFILE
 HAVE_PTHREAD
 HUGE_VAL_SANITY
 ALLOCA
@@ -1468,7 +1473,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures llvm 2.6svn to adapt to many kinds of systems.
+\`configure' configures llvm 2.7svn to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1534,7 +1539,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of llvm 2.6svn:";;
+     short | recursive ) echo "Configuration of llvm 2.7svn:";;
    esac
   cat <<\_ACEOF
 
@@ -1550,13 +1555,18 @@ Optional Features:
                           is NO)
   --enable-debug-runtime  Build runtime libs with debug symbols (default is
                           NO)
+  --enable-debug-symbols  Build compiler with debug symbols (default is NO if
+                          optimization is on and YES if it's off)
   --enable-jit            Enable Just In Time Compiling (default is YES)
   --enable-doxygen        Build doxygen documentation (default is NO)
   --enable-threads        Use threads if available (default is YES)
   --enable-pic            Build LLVM with Position Independent Code (default
                           is YES)
-  --enable-targets        Build specific host targets:
-                          all,host-only,{target-name} (default=all)
+  --enable-targets        Build specific host targets: all or
+                          target1,target2,... Valid targets are: host, x86,
+                          x86_64, sparc, powerpc, alpha, arm, mips, spu,
+                          pic16, xcore, msp430, systemz, blackfin, cbe, msil,
+                          and cpp (default=all)
   --enable-cbe-printf-a   Enable C Backend output with hex floating point via
                           %a (default is YES)
   --enable-bindings       Build specific language bindings:
@@ -1596,6 +1606,8 @@ Optional Packages:
                           both]
   --with-tags[=TAGS]      include additional configurations [automatic]
   --with-udis86=<path>    Use udis86 external x86 disassembler library
+  --with-oprofile=<prefix>
+                          Tell OProfile >= 0.9.4 how to symbolize JIT output
 
 Some influential environment variables:
   CC          C compiler command
@@ -1675,7 +1687,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-llvm configure 2.6svn
+llvm configure 2.7svn
 generated by GNU Autoconf 2.60
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1683,7 +1695,7 @@ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 
-Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.
+Copyright (c) 2003-2009 University of Illinois at Urbana-Champaign.
 _ACEOF
   exit
 fi
@@ -1691,7 +1703,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by llvm $as_me 2.6svn, which was
+It was created by llvm $as_me 2.7svn, which was
 generated by GNU Autoconf 2.60.  Invocation command line was
 
   $ $0 $@
@@ -2045,7 +2057,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-LLVM_COPYRIGHT="Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign."
+LLVM_COPYRIGHT="Copyright (c) 2003-2009 University of Illinois at Urbana-Champaign."
 
 
 
@@ -2326,6 +2338,11 @@ else
     llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
     llvm_cv_os_type="SunOS"
     llvm_cv_platform_type="Unix" ;;
+  *-*-auroraux*)
+    llvm_cv_link_all_option="-Wl,-z,allextract"
+    llvm_cv_link_all_option="-Wl,-z,defaultextract"
+    llvm_cv_os_type="AuroraUX"
+    llvm_cv_platform_type="Unix" ;;
   *-*-win32*)
     llvm_cv_link_all_option="-Wl,--whole-archive"
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
@@ -2336,6 +2353,21 @@ else
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="MingW"
     llvm_cv_platform_type="Win32" ;;
+  *-*-haiku*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="Haiku"
+    llvm_cv_platform_type="Unix" ;;
+  *-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" ;;
   *)
     llvm_cv_link_all_option=""
     llvm_cv_no_link_all_option=""
@@ -2346,6 +2378,53 @@ fi
 { echo "$as_me:$LINENO: result: $llvm_cv_os_type" >&5
 echo "${ECHO_T}$llvm_cv_os_type" >&6; }
 
+{ echo "$as_me:$LINENO: checking type of operating system we're going to target" >&5
+echo $ECHO_N "checking type of operating system we're going to target... $ECHO_C" >&6; }
+if test "${llvm_cv_target_os_type+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  case $target in
+  *-*-aix*)
+    llvm_cv_target_os_type="AIX" ;;
+  *-*-irix*)
+    llvm_cv_target_os_type="IRIX" ;;
+  *-*-cygwin*)
+    llvm_cv_target_os_type="Cygwin" ;;
+  *-*-darwin*)
+    llvm_cv_target_os_type="Darwin" ;;
+  *-*-freebsd*)
+    llvm_cv_target_os_type="FreeBSD" ;;
+  *-*-openbsd*)
+    llvm_cv_target_os_type="OpenBSD" ;;
+  *-*-netbsd*)
+    llvm_cv_target_os_type="NetBSD" ;;
+  *-*-dragonfly*)
+    llvm_cv_target_os_type="DragonFly" ;;
+  *-*-hpux*)
+    llvm_cv_target_os_type="HP-UX" ;;
+  *-*-interix*)
+    llvm_cv_target_os_type="Interix" ;;
+  *-*-linux*)
+    llvm_cv_target_os_type="Linux" ;;
+  *-*-solaris*)
+    llvm_cv_target_os_type="SunOS" ;;
+  *-*-auroraux*)
+    llvm_cv_target_os_type="AuroraUX" ;;
+  *-*-win32*)
+    llvm_cv_target_os_type="Win32" ;;
+  *-*-mingw*)
+    llvm_cv_target_os_type="MingW" ;;
+  *-*-haiku*)
+    llvm_cv_target_os_type="Haiku" ;;
+  *-unknown-eabi*)
+    llvm_cv_target_os_type="Freestanding" ;;
+  *)
+    llvm_cv_target_os_type="Unknown" ;;
+esac
+fi
+{ echo "$as_me:$LINENO: result: $llvm_cv_target_os_type" >&5
+echo "${ECHO_T}$llvm_cv_target_os_type" >&6; }
+
 if test "$llvm_cv_os_type" = "Unknown" ; then
   { { echo "$as_me:$LINENO: error: Operating system is unknown, configure can't continue" >&5
 echo "$as_me: error: Operating system is unknown, configure can't continue" >&2;}
@@ -2354,6 +2433,10 @@ fi
 
 OS=$llvm_cv_os_type
 
+HOST_OS=$llvm_cv_os_type
+
+TARGET_OS=$llvm_cv_target_os_type
+
 
 LINKALL=$llvm_cv_link_all_option
 
@@ -2396,12 +2479,13 @@ else
   sparc*-*)               llvm_cv_target_arch="Sparc" ;;
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
   alpha*-*)               llvm_cv_target_arch="Alpha" ;;
-  ia64-*)                 llvm_cv_target_arch="IA64" ;;
   arm*-*)                 llvm_cv_target_arch="ARM" ;;
   mips-*)                 llvm_cv_target_arch="Mips" ;;
   pic16-*)                llvm_cv_target_arch="PIC16" ;;
   xcore-*)                llvm_cv_target_arch="XCore" ;;
   msp430-*)               llvm_cv_target_arch="MSP430" ;;
+  s390x-*)                llvm_cv_target_arch="SystemZ" ;;
+  bfin-*)                 llvm_cv_target_arch="Blackfin" ;;
   *)                      llvm_cv_target_arch="Unknown" ;;
 esac
 fi
@@ -4815,6 +4899,21 @@ else
 
 fi
 
+# Check whether --enable-debug-symbols was given.
+if test "${enable_debug_symbols+set}" = set; then
+  enableval=$enable_debug_symbols;
+else
+  enableval=no
+fi
+
+if test ${enableval} = "no" ; then
+  DEBUG_SYMBOLS=
+
+else
+  DEBUG_SYMBOLS=DEBUG_SYMBOLS=1
+
+fi
+
 # Check whether --enable-jit was given.
 if test "${enable_jit+set}" = set; then
   enableval=$enable_jit;
@@ -4828,29 +4927,31 @@ then
 
 else
   case "$llvm_cv_target_arch" in
-    x86)     TARGET_HAS_JIT=1
+    x86)         TARGET_HAS_JIT=1
+ ;;
+    Sparc)       TARGET_HAS_JIT=0
  ;;
-    Sparc)   TARGET_HAS_JIT=0
+    PowerPC)     TARGET_HAS_JIT=1
  ;;
-    PowerPC) TARGET_HAS_JIT=1
+    x86_64)      TARGET_HAS_JIT=1
  ;;
-    x86_64)  TARGET_HAS_JIT=1
+    Alpha)       TARGET_HAS_JIT=1
  ;;
-    Alpha)   TARGET_HAS_JIT=1
+    ARM)         TARGET_HAS_JIT=1
  ;;
-    IA64)    TARGET_HAS_JIT=0
+    Mips)        TARGET_HAS_JIT=0
  ;;
-    ARM)     TARGET_HAS_JIT=0
+    PIC16)       TARGET_HAS_JIT=0
  ;;
-    Mips)    TARGET_HAS_JIT=0
+    XCore)       TARGET_HAS_JIT=0
  ;;
-    PIC16)   TARGET_HAS_JIT=0
+    MSP430)      TARGET_HAS_JIT=0
  ;;
-    XCore)   TARGET_HAS_JIT=0
+    SystemZ)     TARGET_HAS_JIT=0
  ;;
-    MSP430)  TARGET_HAS_JIT=0
+    Blackfin)    TARGET_HAS_JIT=0
  ;;
-    *)       TARGET_HAS_JIT=0
+    *)           TARGET_HAS_JIT=0
  ;;
   esac
 fi
@@ -4930,44 +5031,47 @@ else
   enableval=all
 fi
 
+if test "$enableval" = host-only ; then
+  enableval=host
+fi
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 CBackend MSIL CppBackend" ;;
-  host-only)
-    case "$llvm_cv_target_arch" in
-      x86)     TARGETS_TO_BUILD="X86" ;;
-      x86_64)  TARGETS_TO_BUILD="X86" ;;
-      Sparc)   TARGETS_TO_BUILD="Sparc" ;;
-      PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
-      Alpha)   TARGETS_TO_BUILD="Alpha" ;;
-      IA64)    TARGETS_TO_BUILD="IA64" ;;
-      ARM)     TARGETS_TO_BUILD="ARM" ;;
-      Mips)    TARGETS_TO_BUILD="Mips" ;;
-      CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
-      PIC16)   TARGETS_TO_BUILD="PIC16" ;;
-      XCore)   TARGETS_TO_BUILD="XCore" ;;
-      MSP430)  TARGETS_TO_BUILD="MSP430" ;;
-      *)       { { echo "$as_me:$LINENO: error: Can not set target to build" >&5
-echo "$as_me: error: Can not set target to build" >&2;}
-   { (exit 1); exit 1; }; } ;;
-    esac
-    ;;
+  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
   *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
       case "$a_target" in
-        x86)     TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
-        x86_64)  TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
-        sparc)   TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
-        powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
-        alpha)   TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
-        ia64)    TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
-        arm)     TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
-        mips)    TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
-        spu)     TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
-        pic16)   TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
-        xcore)   TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
-        msp430)  TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
-        cbe)     TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
-        msil)    TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
-        cpp)     TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
+        x86)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
+        x86_64)   TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
+        sparc)    TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
+        powerpc)  TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
+        alpha)    TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
+        arm)      TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
+        mips)     TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
+        spu)      TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
+        pic16)    TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
+        xcore)    TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
+        msp430)   TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
+        systemz)  TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
+        blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
+        cbe)      TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
+        msil)     TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
+        cpp)      TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
+        host) case "$llvm_cv_target_arch" in
+            x86)         TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
+            x86_64)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
+            Sparc)       TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
+            PowerPC)     TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
+            Alpha)       TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
+            ARM)         TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
+            Mips)        TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
+            CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
+            PIC16)       TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
+            XCore)       TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
+            MSP430)      TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
+            SystemZ)     TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
+            Blackfin)    TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
+            *)       { { echo "$as_me:$LINENO: error: Can not set target to build" >&5
+echo "$as_me: error: Can not set target to build" >&2;}
+   { (exit 1); exit 1; }; } ;;
+          esac ;;
         *) { { echo "$as_me:$LINENO: error: Unrecognized target $a_target" >&5
 echo "$as_me: error: Unrecognized target $a_target" >&2;}
    { (exit 1); exit 1; }; } ;;
@@ -4992,18 +5096,23 @@ _ACEOF
 done
 
 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
-# Targets.def and AsmPrinters.def.
+# Targets.def, AsmPrinters.def, and AsmParsers.def.
 LLVM_ENUM_TARGETS=""
 LLVM_ENUM_ASM_PRINTERS=""
+LLVM_ENUM_ASM_PARSERS=""
 for target_to_build in $TARGETS_TO_BUILD; do
   LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
   if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
     LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
   fi
+  if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
+    LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
+  fi
 done
 
 
 
+
 # Check whether --enable-cbe-printf-a was given.
 if test "${enable_cbe_printf_a+set}" = set; then
   enableval=$enable_cbe_printf_a;
@@ -10899,7 +11008,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10902 "configure"
+#line 11011 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13043,7 +13152,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 13046 "configure"' > conftest.$ac_ext
+  echo '#line 13155 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -14761,11 +14870,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14764: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14873: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14768: \$? = $ac_status" >&5
+   echo "$as_me:14877: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -15029,11 +15138,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15032: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15141: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:15036: \$? = $ac_status" >&5
+   echo "$as_me:15145: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -15133,11 +15242,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15136: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15245: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:15140: \$? = $ac_status" >&5
+   echo "$as_me:15249: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -17585,7 +17694,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 17588 "configure"
+#line 17697 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -17685,7 +17794,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 17688 "configure"
+#line 17797 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -20053,11 +20162,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:20056: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:20165: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:20060: \$? = $ac_status" >&5
+   echo "$as_me:20169: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -20157,11 +20266,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:20160: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:20269: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:20164: \$? = $ac_status" >&5
+   echo "$as_me:20273: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -21727,11 +21836,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:21730: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:21839: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:21734: \$? = $ac_status" >&5
+   echo "$as_me:21843: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -21831,11 +21940,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:21834: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:21943: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:21838: \$? = $ac_status" >&5
+   echo "$as_me:21947: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -24066,11 +24175,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:24069: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:24178: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:24073: \$? = $ac_status" >&5
+   echo "$as_me:24182: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -24334,11 +24443,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:24337: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:24446: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:24341: \$? = $ac_status" >&5
+   echo "$as_me:24450: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -24438,11 +24547,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:24441: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:24550: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:24445: \$? = $ac_status" >&5
+   echo "$as_me:24554: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -27352,13 +27461,13 @@ echo "${ECHO_T}ok" >&6; }
 
 
 
-{ echo "$as_me:$LINENO: checking for elf_begin in -lelf" >&5
-echo $ECHO_N "checking for elf_begin in -lelf... $ECHO_C" >&6; }
-if test "${ac_cv_lib_elf_elf_begin+set}" = set; then
+{ echo "$as_me:$LINENO: checking for sin in -lm" >&5
+echo $ECHO_N "checking for sin in -lm... $ECHO_C" >&6; }
+if test "${ac_cv_lib_m_sin+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lelf  $LIBS"
+LIBS="-lm  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -27372,11 +27481,11 @@ cat >>conftest.$ac_ext <<_ACEOF
 #ifdef __cplusplus
 extern "C"
 #endif
-char elf_begin ();
+char sin ();
 int
 main ()
 {
-return elf_begin ();
+return sin ();
   ;
   return 0;
 }
@@ -27415,37 +27524,38 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_lib_elf_elf_begin=yes
+  ac_cv_lib_m_sin=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_elf_elf_begin=no
+	ac_cv_lib_m_sin=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_elf_elf_begin" >&5
-echo "${ECHO_T}$ac_cv_lib_elf_elf_begin" >&6; }
-if test $ac_cv_lib_elf_elf_begin = yes; then
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_m_sin" >&5
+echo "${ECHO_T}$ac_cv_lib_m_sin" >&6; }
+if test $ac_cv_lib_m_sin = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF 1
+#define HAVE_LIBM 1
 _ACEOF
 
-  LIBS="-lelf $LIBS"
+  LIBS="-lm $LIBS"
 
 fi
 
+if test "$llvm_cv_os_type" = "MingW" ; then
 
-{ echo "$as_me:$LINENO: checking for sin in -lm" >&5
-echo $ECHO_N "checking for sin in -lm... $ECHO_C" >&6; }
-if test "${ac_cv_lib_m_sin+set}" = set; then
+{ echo "$as_me:$LINENO: checking for main in -limagehlp" >&5
+echo $ECHO_N "checking for main in -limagehlp... $ECHO_C" >&6; }
+if test "${ac_cv_lib_imagehlp_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lm  $LIBS"
+LIBS="-limagehlp  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -27453,17 +27563,11 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char sin ();
+
 int
 main ()
 {
-return sin ();
+return main ();
   ;
   return 0;
 }
@@ -27502,38 +27606,37 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_lib_m_sin=yes
+  ac_cv_lib_imagehlp_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_m_sin=no
+	ac_cv_lib_imagehlp_main=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_m_sin" >&5
-echo "${ECHO_T}$ac_cv_lib_m_sin" >&6; }
-if test $ac_cv_lib_m_sin = yes; then
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_imagehlp_main" >&5
+echo "${ECHO_T}$ac_cv_lib_imagehlp_main" >&6; }
+if test $ac_cv_lib_imagehlp_main = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBM 1
+#define HAVE_LIBIMAGEHLP 1
 _ACEOF
 
-  LIBS="-lm $LIBS"
+  LIBS="-limagehlp $LIBS"
 
 fi
 
-if test "$llvm_cv_os_type" = "MingW" ; then
 
-{ echo "$as_me:$LINENO: checking for main in -limagehlp" >&5
-echo $ECHO_N "checking for main in -limagehlp... $ECHO_C" >&6; }
-if test "${ac_cv_lib_imagehlp_main+set}" = set; then
+{ echo "$as_me:$LINENO: checking for main in -lpsapi" >&5
+echo $ECHO_N "checking for main in -lpsapi... $ECHO_C" >&6; }
+if test "${ac_cv_lib_psapi_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-limagehlp  $LIBS"
+LIBS="-lpsapi  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -27584,37 +27687,37 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_lib_imagehlp_main=yes
+  ac_cv_lib_psapi_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_imagehlp_main=no
+	ac_cv_lib_psapi_main=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_imagehlp_main" >&5
-echo "${ECHO_T}$ac_cv_lib_imagehlp_main" >&6; }
-if test $ac_cv_lib_imagehlp_main = yes; then
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_psapi_main" >&5
+echo "${ECHO_T}$ac_cv_lib_psapi_main" >&6; }
+if test $ac_cv_lib_psapi_main = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBIMAGEHLP 1
+#define HAVE_LIBPSAPI 1
 _ACEOF
 
-  LIBS="-limagehlp $LIBS"
+  LIBS="-lpsapi $LIBS"
 
 fi
 
+fi
 
-{ echo "$as_me:$LINENO: checking for main in -lpsapi" >&5
-echo $ECHO_N "checking for main in -lpsapi... $ECHO_C" >&6; }
-if test "${ac_cv_lib_psapi_main+set}" = set; then
+{ echo "$as_me:$LINENO: checking for library containing dlopen" >&5
+echo $ECHO_N "checking for library containing dlopen... $ECHO_C" >&6; }
+if test "${ac_cv_search_dlopen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpsapi  $LIBS"
+  ac_func_search_save_LIBS=$LIBS
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -27622,218 +27725,137 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dl; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_dlopen=$ac_res
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
 
+fi
+
+rm -f core conftest.err conftest.$ac_objext \
+      conftest$ac_exeext
+  if test "${ac_cv_search_dlopen+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_dlopen+set}" = set; then
+  :
+else
+  ac_cv_search_dlopen=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
+echo "${ECHO_T}$ac_cv_search_dlopen" >&6; }
+ac_res=$ac_cv_search_dlopen
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DLOPEN 1
+_ACEOF
+
+else
+  { echo "$as_me:$LINENO: WARNING: dlopen() not found - disabling plugin support" >&5
+echo "$as_me: WARNING: dlopen() not found - disabling plugin support" >&2;}
+fi
+
+
+if test "$llvm_cv_enable_libffi" = "yes" ; then
+  { echo "$as_me:$LINENO: checking for library containing ffi_call" >&5
+echo $ECHO_N "checking for library containing ffi_call... $ECHO_C" >&6; }
+if test "${ac_cv_search_ffi_call+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ffi_call ();
 int
 main ()
 {
-return main ();
+return ffi_call ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_lib_psapi_main=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_psapi_main=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_psapi_main" >&5
-echo "${ECHO_T}$ac_cv_lib_psapi_main" >&6; }
-if test $ac_cv_lib_psapi_main = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBPSAPI 1
-_ACEOF
-
-  LIBS="-lpsapi $LIBS"
-
-fi
-
-fi
-
-{ echo "$as_me:$LINENO: checking for library containing dlopen" >&5
-echo $ECHO_N "checking for library containing dlopen... $ECHO_C" >&6; }
-if test "${ac_cv_search_dlopen+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' dl; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_dlopen=$ac_res
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext \
-      conftest$ac_exeext
-  if test "${ac_cv_search_dlopen+set}" = set; then
-  break
-fi
-done
-if test "${ac_cv_search_dlopen+set}" = set; then
-  :
-else
-  ac_cv_search_dlopen=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
-echo "${ECHO_T}$ac_cv_search_dlopen" >&6; }
-ac_res=$ac_cv_search_dlopen
-if test "$ac_res" != no; then
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DLOPEN 1
-_ACEOF
-
-else
-  { echo "$as_me:$LINENO: WARNING: dlopen() not found - disabling plugin support" >&5
-echo "$as_me: WARNING: dlopen() not found - disabling plugin support" >&2;}
-fi
-
-
-if test "$llvm_cv_enable_libffi" = "yes" ; then
-  { echo "$as_me:$LINENO: checking for library containing ffi_call" >&5
-echo $ECHO_N "checking for library containing ffi_call... $ECHO_C" >&6; }
-if test "${ac_cv_search_ffi_call+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char ffi_call ();
-int
-main ()
-{
-return ffi_call ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' ffi; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
+for ac_lib in '' ffi; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
 if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
@@ -28524,45 +28546,64 @@ _ACEOF
 
 
 
+# Check whether --with-oprofile was given.
+if test "${with_oprofile+set}" = set; then
+  withval=$with_oprofile;
+      USE_OPROFILE=1
 
-
-
-
-
-ac_header_dirent=no
-for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
-  as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
-{ echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
-echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+      case "$withval" in
+        /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
+        no) llvm_cv_oppath=
+            USE_OPROFILE=0
+ ;;
+        *) llvm_cv_oppath="${withval}/lib/oprofile"
+           CPPFLAGS="-I${withval}/include";;
+      esac
+      if test -n "$llvm_cv_oppath" ; then
+        LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
+                                        { echo "$as_me:$LINENO: checking for library containing bfd_init" >&5
+echo $ECHO_N "checking for library containing bfd_init... $ECHO_C" >&6; }
+if test "${ac_cv_search_bfd_init+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <sys/types.h>
-#include <$ac_hdr>
 
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char bfd_init ();
 int
 main ()
 {
-if ((DIR *) 0)
-return 0;
+return bfd_init ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
+for ac_lib in '' bfd; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+  (eval "$ac_link") 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
@@ -28579,7 +28620,7 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -s conftest$ac_exeext'
   { (case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
@@ -28589,33 +28630,39 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
+  ac_cv_search_bfd_init=$ac_res
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	eval "$as_ac_Header=no"
+
 fi
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+      conftest$ac_exeext
+  if test "${ac_cv_search_bfd_init+set}" = set; then
+  break
 fi
-ac_res=`eval echo '${'$as_ac_Header'}'`
-	       { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
-_ACEOF
+done
+if test "${ac_cv_search_bfd_init+set}" = set; then
+  :
+else
+  ac_cv_search_bfd_init=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_bfd_init" >&5
+echo "${ECHO_T}$ac_cv_search_bfd_init" >&6; }
+ac_res=$ac_cv_search_bfd_init
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-ac_header_dirent=$ac_hdr; break
 fi
 
-done
-# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
-if test $ac_header_dirent = dirent.h; then
-  { echo "$as_me:$LINENO: checking for library containing opendir" >&5
-echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6; }
-if test "${ac_cv_search_opendir+set}" = set; then
+        { echo "$as_me:$LINENO: checking for library containing op_open_agent" >&5
+echo $ECHO_N "checking for library containing op_open_agent... $ECHO_C" >&6; }
+if test "${ac_cv_search_op_open_agent+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -28632,16 +28679,389 @@ cat >>conftest.$ac_ext <<_ACEOF
 #ifdef __cplusplus
 extern "C"
 #endif
-char opendir ();
+char op_open_agent ();
 int
 main ()
 {
-return opendir ();
+return op_open_agent ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' dir; do
+for ac_lib in '' opagent; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_op_open_agent=$ac_res
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext \
+      conftest$ac_exeext
+  if test "${ac_cv_search_op_open_agent+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_op_open_agent+set}" = set; then
+  :
+else
+  ac_cv_search_op_open_agent=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_op_open_agent" >&5
+echo "${ECHO_T}$ac_cv_search_op_open_agent" >&6; }
+ac_res=$ac_cv_search_op_open_agent
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+else
+
+          echo "Error! You need to have libopagent around."
+          exit -1
+
+fi
+
+        if test "${ac_cv_header_opagent_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for opagent.h" >&5
+echo $ECHO_N "checking for opagent.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_opagent_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_opagent_h" >&5
+echo "${ECHO_T}$ac_cv_header_opagent_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking opagent.h usability" >&5
+echo $ECHO_N "checking opagent.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <opagent.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking opagent.h presence" >&5
+echo $ECHO_N "checking opagent.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <opagent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: opagent.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: opagent.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: opagent.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: opagent.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: opagent.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: opagent.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: opagent.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: opagent.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: opagent.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: opagent.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: opagent.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ----------------------------------- ##
+## Report this to llvmbugs@cs.uiuc.edu ##
+## ----------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for opagent.h" >&5
+echo $ECHO_N "checking for opagent.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_opagent_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_opagent_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_opagent_h" >&5
+echo "${ECHO_T}$ac_cv_header_opagent_h" >&6; }
+
+fi
+if test $ac_cv_header_opagent_h = yes; then
+  :
+else
+
+          echo "Error! You need to have opagent.h around."
+          exit -1
+
+fi
+
+
+      fi
+
+else
+
+      USE_OPROFILE=0
+
+
+fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define USE_OPROFILE $USE_OPROFILE
+_ACEOF
+
+
+
+
+
+
+
+
+ac_header_dirent=no
+for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
+  as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
+echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <$ac_hdr>
+
+int
+main ()
+{
+if ((DIR *) 0)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
+_ACEOF
+
+ac_header_dirent=$ac_hdr; break
+fi
+
+done
+# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
+if test $ac_header_dirent = dirent.h; then
+  { echo "$as_me:$LINENO: checking for library containing opendir" >&5
+echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6; }
+if test "${ac_cv_search_opendir+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char opendir ();
+int
+main ()
+{
+return opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dir; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
@@ -31738,7 +32158,8 @@ done
 
 
 
-for ac_func in strerror strerror_r strerror_s
+
+for ac_func in strerror strerror_r strerror_s setenv
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -34330,6 +34751,96 @@ rm -f core conftest.err conftest.$ac_objext \
 
 
 
+if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
+  { echo "$as_me:$LINENO: checking for 32-bit userspace on 64-bit system" >&5
+echo $ECHO_N "checking for 32-bit userspace on 64-bit system... $ECHO_C" >&6; }
+if test "${llvm_cv_linux_mixed+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+   ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifndef __x86_64__
+       error: Not x86-64 even if uname says so!
+      #endif
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  llvm_cv_linux_mixed=no
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	llvm_cv_linux_mixed=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ echo "$as_me:$LINENO: result: $llvm_cv_linux_mixed" >&5
+echo "${ECHO_T}$llvm_cv_linux_mixed" >&6; }
+
+  if test "$llvm_cv_linux_mixed" = "yes"; then
+    llvm_cv_target_arch="x86"
+    ARCH="x86"
+  fi
+fi
+
 
 for ac_func in __dso_handle
 do
@@ -34747,9 +35258,9 @@ ac_config_files="$ac_config_files include/llvm/Config/Targets.def"
 
 ac_config_files="$ac_config_files include/llvm/Config/AsmPrinters.def"
 
-ac_config_headers="$ac_config_headers include/llvm/Support/DataTypes.h"
+ac_config_files="$ac_config_files include/llvm/Config/AsmParsers.def"
 
-ac_config_headers="$ac_config_headers include/llvm/ADT/iterator.h"
+ac_config_headers="$ac_config_headers include/llvm/System/DataTypes.h"
 
 
 ac_config_files="$ac_config_files Makefile.config"
@@ -35206,7 +35717,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by llvm $as_me 2.6svn, which was
+This file was extended by llvm $as_me 2.7svn, which was
 generated by GNU Autoconf 2.60.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -35259,7 +35770,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-llvm config.status 2.6svn
+llvm config.status 2.7svn
 configured by $0, generated by GNU Autoconf 2.60,
   with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -35375,8 +35886,8 @@ do
     "include/llvm/Config/config.h") CONFIG_HEADERS="$CONFIG_HEADERS include/llvm/Config/config.h" ;;
     "include/llvm/Config/Targets.def") CONFIG_FILES="$CONFIG_FILES include/llvm/Config/Targets.def" ;;
     "include/llvm/Config/AsmPrinters.def") CONFIG_FILES="$CONFIG_FILES include/llvm/Config/AsmPrinters.def" ;;
-    "include/llvm/Support/DataTypes.h") CONFIG_HEADERS="$CONFIG_HEADERS include/llvm/Support/DataTypes.h" ;;
-    "include/llvm/ADT/iterator.h") CONFIG_HEADERS="$CONFIG_HEADERS include/llvm/ADT/iterator.h" ;;
+    "include/llvm/Config/AsmParsers.def") CONFIG_FILES="$CONFIG_FILES include/llvm/Config/AsmParsers.def" ;;
+    "include/llvm/System/DataTypes.h") CONFIG_HEADERS="$CONFIG_HEADERS include/llvm/System/DataTypes.h" ;;
     "Makefile.config") CONFIG_FILES="$CONFIG_FILES Makefile.config" ;;
     "llvm.spec") CONFIG_FILES="$CONFIG_FILES llvm.spec" ;;
     "docs/doxygen.cfg") CONFIG_FILES="$CONFIG_FILES docs/doxygen.cfg" ;;
@@ -35510,6 +36021,8 @@ target_cpu!$target_cpu$ac_delim
 target_vendor!$target_vendor$ac_delim
 target_os!$target_os$ac_delim
 OS!$OS$ac_delim
+HOST_OS!$HOST_OS$ac_delim
+TARGET_OS!$TARGET_OS$ac_delim
 LINKALL!$LINKALL$ac_delim
 NOLINKALL!$NOLINKALL$ac_delim
 LLVM_ON_UNIX!$LLVM_ON_UNIX$ac_delim
@@ -35537,6 +36050,7 @@ DISABLE_ASSERTIONS!$DISABLE_ASSERTIONS$ac_delim
 ENABLE_EXPENSIVE_CHECKS!$ENABLE_EXPENSIVE_CHECKS$ac_delim
 EXPENSIVE_CHECKS!$EXPENSIVE_CHECKS$ac_delim
 DEBUG_RUNTIME!$DEBUG_RUNTIME$ac_delim
+DEBUG_SYMBOLS!$DEBUG_SYMBOLS$ac_delim
 JIT!$JIT$ac_delim
 TARGET_HAS_JIT!$TARGET_HAS_JIT$ac_delim
 ENABLE_DOXYGEN!$ENABLE_DOXYGEN$ac_delim
@@ -35545,16 +36059,13 @@ ENABLE_PIC!$ENABLE_PIC$ac_delim
 TARGETS_TO_BUILD!$TARGETS_TO_BUILD$ac_delim
 LLVM_ENUM_TARGETS!$LLVM_ENUM_TARGETS$ac_delim
 LLVM_ENUM_ASM_PRINTERS!$LLVM_ENUM_ASM_PRINTERS$ac_delim
+LLVM_ENUM_ASM_PARSERS!$LLVM_ENUM_ASM_PARSERS$ac_delim
 ENABLE_CBE_PRINTF_A!$ENABLE_CBE_PRINTF_A$ac_delim
 EXTRA_OPTIONS!$EXTRA_OPTIONS$ac_delim
 BINUTILS_INCDIR!$BINUTILS_INCDIR$ac_delim
 ENABLE_LLVMC_DYNAMIC!$ENABLE_LLVMC_DYNAMIC$ac_delim
 ENABLE_LLVMC_DYNAMIC_PLUGINS!$ENABLE_LLVMC_DYNAMIC_PLUGINS$ac_delim
 CXX!$CXX$ac_delim
-CXXFLAGS!$CXXFLAGS$ac_delim
-ac_ct_CXX!$ac_ct_CXX$ac_delim
-NM!$NM$ac_delim
-ifGNUmake!$ifGNUmake$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -35596,6 +36107,10 @@ _ACEOF
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
+CXXFLAGS!$CXXFLAGS$ac_delim
+ac_ct_CXX!$ac_ct_CXX$ac_delim
+NM!$NM$ac_delim
+ifGNUmake!$ifGNUmake$ac_delim
 LN_S!$LN_S$ac_delim
 CMP!$CMP$ac_delim
 CP!$CP$ac_delim
@@ -35653,6 +36168,7 @@ LLVMGXXCOMMAND!$LLVMGXXCOMMAND$ac_delim
 LLVMGCC!$LLVMGCC$ac_delim
 LLVMGXX!$LLVMGXX$ac_delim
 USE_UDIS86!$USE_UDIS86$ac_delim
+USE_OPROFILE!$USE_OPROFILE$ac_delim
 HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim
 HUGE_VAL_SANITY!$HUGE_VAL_SANITY$ac_delim
 ALLOCA!$ALLOCA$ac_delim
@@ -35685,7 +36201,7 @@ LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 87; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 92; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
@@ -36089,31 +36605,31 @@ echo "$as_me: executing $ac_file commands" >&6;}
 
   case $ac_file$ac_mode in
     "Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/Makefile Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/Makefile Makefile ;;
     "Makefile.common":C) ${llvm_src}/autoconf/mkinstalldirs `dirname Makefile.common`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/Makefile.common Makefile.common ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/Makefile.common Makefile.common ;;
     "examples/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname examples/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/examples/Makefile examples/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/examples/Makefile examples/Makefile ;;
     "lib/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname lib/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/lib/Makefile lib/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/lib/Makefile lib/Makefile ;;
     "runtime/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname runtime/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/runtime/Makefile runtime/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/runtime/Makefile runtime/Makefile ;;
     "test/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname test/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/test/Makefile test/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/test/Makefile test/Makefile ;;
     "test/Makefile.tests":C) ${llvm_src}/autoconf/mkinstalldirs `dirname test/Makefile.tests`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/test/Makefile.tests test/Makefile.tests ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/test/Makefile.tests test/Makefile.tests ;;
     "unittests/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname unittests/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/unittests/Makefile unittests/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/unittests/Makefile unittests/Makefile ;;
     "tools/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname tools/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/tools/Makefile tools/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/tools/Makefile tools/Makefile ;;
     "utils/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname utils/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/utils/Makefile utils/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/utils/Makefile utils/Makefile ;;
     "projects/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname projects/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/projects/Makefile projects/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/projects/Makefile projects/Makefile ;;
     "bindings/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname bindings/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/bindings/Makefile bindings/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/bindings/Makefile bindings/Makefile ;;
     "bindings/ocaml/Makefile.ocaml":C) ${llvm_src}/autoconf/mkinstalldirs `dirname bindings/ocaml/Makefile.ocaml`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/bindings/ocaml/Makefile.ocaml bindings/ocaml/Makefile.ocaml ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/bindings/ocaml/Makefile.ocaml bindings/ocaml/Makefile.ocaml ;;
 
   esac
 done # for ac_tag