17 files changed, 0 insertions, 526 deletions
diff --git a/autoconf/m4/build_exeext.m4 b/autoconf/m4/build_exeext.m4
deleted file mode 100644
index 1bdecc1ba578..000000000000
--- a/autoconf/m4/build_exeext.m4
+++ /dev/null
@@ -1,42 +0,0 @@
-# Check for the extension used for executables on build platform.
-# This is necessary for cross-compiling where the build platform
-# may differ from the host platform.
-AC_DEFUN([AC_BUILD_EXEEXT],
-[
-AC_MSG_CHECKING([for executable suffix on build platform])
-AC_CACHE_VAL(ac_cv_build_exeext,
-[if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
-  ac_cv_build_exeext=.exe
-else
-  ac_build_prefix=${build_alias}-
-
-  AC_CHECK_PROG(BUILD_CC, ${ac_build_prefix}gcc, ${ac_build_prefix}gcc)
-  if test -z "$BUILD_CC"; then
-     AC_CHECK_PROG(BUILD_CC, gcc, gcc)
-     if test -z "$BUILD_CC"; then
-       AC_CHECK_PROG(BUILD_CC, cc, cc, , , /usr/ucb/cc)
-     fi
-  fi
-  test -z "$BUILD_CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
-  ac_build_link='${BUILD_CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AS_MESSAGE_LOG_FD'
-  rm -f conftest*
-  echo 'int main () { return 0; }' > conftest.$ac_ext
-  ac_cv_build_exeext=
-  if AC_TRY_EVAL(ac_build_link); then
-    for file in conftest.*; do
-      case $file in
-      *.c | *.o | *.obj | *.dSYM) ;;
-      *) ac_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
-      esac
-    done
-  else
-    AC_MSG_ERROR([installation or configuration problem: compiler cannot create executables.])
-  fi
-  rm -f conftest*
-  test x"${ac_cv_build_exeext}" = x && ac_cv_build_exeext=blank
-fi])
-BUILD_EXEEXT=""
-test x"${ac_cv_build_exeext}" != xblank && BUILD_EXEEXT=${ac_cv_build_exeext}
-AC_MSG_RESULT(${ac_cv_build_exeext})
-ac_build_exeext=$BUILD_EXEEXT
-AC_SUBST(BUILD_EXEEXT)])
diff --git a/autoconf/m4/c_printf_a.m4 b/autoconf/m4/c_printf_a.m4
deleted file mode 100644
index 61bac8c9dd11..000000000000
--- a/autoconf/m4/c_printf_a.m4
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# Determine if the printf() functions have the %a format character.
-# This is modified from:
-# http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_slist.html
-AC_DEFUN([AC_C_PRINTF_A],
-[AC_CACHE_CHECK([if printf has the %a format character],[llvm_cv_c_printf_a],
-[AC_LANG_PUSH([C])
- AC_RUN_IFELSE([
-  AC_LANG_PROGRAM([[
-#include <stdio.h>
-#include <stdlib.h>
-]],[[
-volatile double A, B;
-char Buffer[100];
-A = 1;
-A /= 10.0;
-sprintf(Buffer, "%a", A);
-B = atof(Buffer);
-if (A != B)
-  return (1);
-if (A != 0x1.999999999999ap-4)
-  return (1);
-return (0);]])],
-  llvm_cv_c_printf_a=yes,
-  llvmac_cv_c_printf_a=no,
-  llvmac_cv_c_printf_a=no)
- AC_LANG_POP([C])])
- if test "$llvm_cv_c_printf_a" = "yes"; then
-   AC_DEFINE([HAVE_PRINTF_A],[1],[Define to have the %a format string])
- fi
-])
diff --git a/autoconf/m4/check_gnu_make.m4 b/autoconf/m4/check_gnu_make.m4
deleted file mode 100644
index 7355e1c85bb9..000000000000
--- a/autoconf/m4/check_gnu_make.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# Check for GNU Make.  This is originally from
-# http://www.gnu.org/software/ac-archive/htmldoc/check_gnu_make.html
-#
-AC_DEFUN([AC_CHECK_GNU_MAKE],
-[AC_CACHE_CHECK([for GNU make],[llvm_cv_gnu_make_command],
-dnl Search all the common names for GNU make
-[llvm_cv_gnu_make_command=''
- for a in "$MAKE" make gmake gnumake ; do
-  if test -z "$a" ; then continue ; fi ;
-  if  ( sh -c "$a --version" 2> /dev/null | grep GNU 2>&1 > /dev/null ) 
-  then
-   llvm_cv_gnu_make_command=$a ;
-   break;
-  fi
- done])
-dnl If there was a GNU version, then set @ifGNUmake@ to the empty string, 
-dnl '#' otherwise
- if test "x$llvm_cv_gnu_make_command" != "x"  ; then
-   ifGNUmake='' ;
- else
-   ifGNUmake='#' ;
-   AC_MSG_RESULT("Not found");
- fi
- AC_SUBST(ifGNUmake)
-])
diff --git a/autoconf/m4/config_makefile.m4 b/autoconf/m4/config_makefile.m4
deleted file mode 100644
index b1eaffdcd85c..000000000000
--- a/autoconf/m4/config_makefile.m4
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Configure a Makefile without clobbering it if it exists and is not out of
-# date.  This macro is unique to LLVM.
-#
-AC_DEFUN([AC_CONFIG_MAKEFILE],
-[AC_CONFIG_COMMANDS($1,
-  [${llvm_src}/autoconf/mkinstalldirs `dirname $1`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/$1 $1])
-])
diff --git a/autoconf/m4/config_project.m4 b/autoconf/m4/config_project.m4
deleted file mode 100644
index eea7faf165c2..000000000000
--- a/autoconf/m4/config_project.m4
+++ /dev/null
@@ -1,14 +0,0 @@
-#
-# Provide the arguments and other processing needed for an LLVM project
-#
-AC_DEFUN([LLVM_CONFIG_PROJECT],
-  [AC_ARG_WITH([llvmsrc],
-    AS_HELP_STRING([--with-llvmsrc],[Location of LLVM Source Code]),
-    [llvm_src="$withval"],[llvm_src="]$1["])
-  AC_SUBST(LLVM_SRC,$llvm_src)
-  AC_ARG_WITH([llvmobj],
-    AS_HELP_STRING([--with-llvmobj],[Location of LLVM Object Code]),
-    [llvm_obj="$withval"],[llvm_obj="]$2["])
-  AC_SUBST(LLVM_OBJ,$llvm_obj)
-  AC_CONFIG_COMMANDS([setup],,[llvm_src="${LLVM_SRC}"])
-])
diff --git a/autoconf/m4/cxx_flag_check.m4 b/autoconf/m4/cxx_flag_check.m4
deleted file mode 100644
index 4b0974455015..000000000000
--- a/autoconf/m4/cxx_flag_check.m4
+++ /dev/null
@@ -1,2 +0,0 @@
-AC_DEFUN([CXX_FLAG_CHECK],
-  [AC_SUBST($1, `$CXX -Werror patsubst($2, [^-Wno-], [-W]) -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)])
diff --git a/autoconf/m4/define_subst.m4 b/autoconf/m4/define_subst.m4
deleted file mode 100644
index c66333f2fb62..000000000000
--- a/autoconf/m4/define_subst.m4
+++ /dev/null
@@ -1,5 +0,0 @@
-# Combine AC_DEFINE and AC_SUBST
-AC_DEFUN([LLVM_DEFINE_SUBST], [
-AC_DEFINE([$1], [$2], [$3])
-AC_SUBST([$1], ['$2'])
-])
diff --git a/autoconf/m4/find_std_program.m4 b/autoconf/m4/find_std_program.m4
deleted file mode 100644
index c789df8e641d..000000000000
--- a/autoconf/m4/find_std_program.m4
+++ /dev/null
@@ -1,118 +0,0 @@
-dnl Check for a standard program that has a bin, include and lib directory
-dnl 
-dnl Parameters:
-dnl   $1 - prefix directory to check
-dnl   $2 - program name to check
-dnl   $3 - header file to check 
-dnl   $4 - library file to check 
-AC_DEFUN([CHECK_STD_PROGRAM],
-[m4_define([allcapsname],translit($2,a-z,A-Z))
-if test -n "$1" -a -d "$1" -a -n "$2" -a -d "$1/bin" -a -x "$1/bin/$2" ; then
-  AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
-  AC_SUBST(allcapsname(),[$1/bin/$2])
-  AC_SUBST(allcapsname()[_BIN],[$1/bin])
-  AC_SUBST(allcapsname()[_DIR],[$1])
-  if test -n "$3" -a -d "$1/include" -a -f "$1/include/$3" ; then 
-    AC_SUBST(allcapsname()[_INC],[$1/include])
-  fi
-  if test -n "$4" -a -d "$1/lib" -a -f "$1/lib/$4" ; then
-    AC_SUBST(allcapsname()[_LIB],[$1/lib])
-  fi
-fi
-])
-
-dnl Find a program via --with options, in the path, or well known places
-dnl
-dnl Parameters:
-dnl   $1 - program's executable name
-dnl   $2 - header file name to check (optional)
-dnl   $3 - library file name to check (optional)
-dnl   $4 - alternate (long) name for the program
-AC_DEFUN([FIND_STD_PROGRAM],
-[m4_define([allcapsname],translit($1,a-z,A-Z))
-m4_define([stdprog_long_name],ifelse($4,,translit($1,[ !@#$%^&*()-+={}[]:;"',./?],[-]),translit($4,[ !@#$%^&*()-+={}[]:;"',./?],[-])))
-AC_MSG_CHECKING([for ]stdprog_long_name()[ bin/lib/include locations])
-AC_ARG_WITH($1,
-  AS_HELP_STRING([--with-]stdprog_long_name()[=DIR],
-  [Specify that the ]stdprog_long_name()[ install prefix is DIR]),
-  $1[pfxdir=$withval],$1[pfxdir=nada])
-AC_ARG_WITH($1[-bin],
-  AS_HELP_STRING([--with-]stdprog_long_name()[-bin=DIR],
-  [Specify that the ]stdprog_long_name()[ binary is in DIR]),
-    $1[bindir=$withval],$1[bindir=nada])
-AC_ARG_WITH($1[-lib],
-  AS_HELP_STRING([--with-]stdprog_long_name()[-lib=DIR],
-  [Specify that ]stdprog_long_name()[ libraries are in DIR]),
-  $1[libdir=$withval],$1[libdir=nada])
-AC_ARG_WITH($1[-inc],
-  AS_HELP_STRING([--with-]stdprog_long_name()[-inc=DIR],
-  [Specify that the ]stdprog_long_name()[ includes are in DIR]),
-  $1[incdir=$withval],$1[incdir=nada])
-eval pfxval=\$\{$1pfxdir\}
-eval binval=\$\{$1bindir\}
-eval incval=\$\{$1incdir\}
-eval libval=\$\{$1libdir\}
-if test "${pfxval}" != "nada" ; then
-  CHECK_STD_PROGRAM(${pfxval},$1,$2,$3)
-elif test "${binval}" != "nada" ; then
-  if test "${libval}" != "nada" ; then
-    if test "${incval}" != "nada" ; then
-      if test -d "${binval}" ; then
-        if test -d "${incval}" ; then
-          if test -d "${libval}" ; then
-            AC_SUBST(allcapsname(),${binval}/$1)
-            AC_SUBST(allcapsname()[_BIN],${binval})
-            AC_SUBST(allcapsname()[_INC],${incval})
-            AC_SUBST(allcapsname()[_LIB],${libval})
-            AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
-            AC_MSG_RESULT([found via --with options])
-          else
-            AC_MSG_RESULT([failed])
-            AC_MSG_ERROR([The --with-]$1[-libdir value must be a directory])
-          fi
-        else
-          AC_MSG_RESULT([failed])
-          AC_MSG_ERROR([The --with-]$1[-incdir value must be a directory])
-        fi
-      else
-        AC_MSG_RESULT([failed])
-        AC_MSG_ERROR([The --with-]$1[-bindir value must be a directory])
-      fi
-    else
-      AC_MSG_RESULT([failed])
-      AC_MSG_ERROR([The --with-]$1[-incdir option must be specified])
-    fi
-  else
-    AC_MSG_RESULT([failed])
-    AC_MSG_ERROR([The --with-]$1[-libdir option must be specified])
-  fi
-else
-  tmppfxdir=`which $1 2>&1`
-  if test -n "$tmppfxdir" -a -d "${tmppfxdir%*$1}" -a \
-          -d "${tmppfxdir%*$1}/.." ; then
-    tmppfxdir=`cd "${tmppfxdir%*$1}/.." ; pwd`
-    CHECK_STD_PROGRAM($tmppfxdir,$1,$2,$3)
-    AC_MSG_RESULT([found in PATH at ]$tmppfxdir)
-  else
-    checkresult="yes"
-    eval checkval=\$\{"USE_"allcapsname()\}
-    CHECK_STD_PROGRAM([/usr],$1,$2,$3)
-    if test -z "${checkval}" ; then
-      CHECK_STD_PROGRAM([/usr/local],$1,$2,$3)
-      if test -z "${checkval}" ; then
-        CHECK_STD_PROGRAM([/sw],$1,$2,$3)
-        if test -z "${checkval}" ; then
-          CHECK_STD_PROGRAM([/opt],$1,$2,$3)
-          if test -z "${checkval}" ; then
-            CHECK_STD_PROGRAM([/],$1,$2,$3)
-            if test -z "${checkval}" ; then
-              checkresult="no"
-            fi
-          fi
-        fi
-      fi
-    fi
-    AC_MSG_RESULT($checkresult)
-  fi
-fi
-])
diff --git a/autoconf/m4/func_mmap_file.m4 b/autoconf/m4/func_mmap_file.m4
deleted file mode 100644
index 372c87fbe5c6..000000000000
--- a/autoconf/m4/func_mmap_file.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# Check for the ability to mmap a file.  
-#
-AC_DEFUN([AC_FUNC_MMAP_FILE],
-[AC_CACHE_CHECK(for mmap of files,
-ac_cv_func_mmap_file,
-[ AC_LANG_PUSH([C])
-  AC_RUN_IFELSE([
-    AC_LANG_PROGRAM([[
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-]],[[
-  int fd;
-  fd = creat ("foo",0777); 
-  fd = (int) mmap (0, 1, PROT_READ, MAP_SHARED, fd, 0);
-  unlink ("foo"); 
-  return (fd != (int) MAP_FAILED);]])],
-  [ac_cv_func_mmap_file=yes],[ac_cv_func_mmap_file=no],[ac_cv_func_mmap_file=no])
-  AC_LANG_POP([C])
-])
-if test "$ac_cv_func_mmap_file" = yes; then
-   AC_DEFINE([HAVE_MMAP_FILE],[],[Define if mmap() can map files into memory])
-   AC_SUBST(MMAP_FILE,[yes])
-fi
-])
diff --git a/autoconf/m4/header_mmap_anonymous.m4 b/autoconf/m4/header_mmap_anonymous.m4
deleted file mode 100644
index 2270d29557b6..000000000000
--- a/autoconf/m4/header_mmap_anonymous.m4
+++ /dev/null
@@ -1,21 +0,0 @@
-#
-# Check for anonymous mmap macros.  This is modified from
-# http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_slist.html
-#
-AC_DEFUN([AC_HEADER_MMAP_ANONYMOUS],
-[AC_CACHE_CHECK(for MAP_ANONYMOUS vs. MAP_ANON,
-ac_cv_header_mmap_anon,
-[ AC_LANG_PUSH([C])
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-    [[#include <sys/mman.h>
-#include <unistd.h>
-#include <fcntl.h>]],
-  [[mmap (0, 1, PROT_READ, MAP_ANONYMOUS, -1, 0); return (0);]])],
-  ac_cv_header_mmap_anon=yes, 
-  ac_cv_header_mmap_anon=no)
-  AC_LANG_POP([C])
-])
-if test "$ac_cv_header_mmap_anon" = yes; then
-   AC_DEFINE([HAVE_MMAP_ANONYMOUS],[1],[Define if mmap() uses MAP_ANONYMOUS to map anonymous pages, or undefine if it uses MAP_ANON])
-fi
-])
diff --git a/autoconf/m4/huge_val.m4 b/autoconf/m4/huge_val.m4
deleted file mode 100644
index d224d7cb64eb..000000000000
--- a/autoconf/m4/huge_val.m4
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# This function determins if the HUGE_VAL macro is compilable with the 
-# -pedantic switch or not. XCode < 2.4.1 doesn't get it right.
-#
-AC_DEFUN([AC_HUGE_VAL_CHECK],[
-  AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[
-    AC_LANG_PUSH([C++])
-    ac_save_CXXFLAGS=$CXXFLAGS
-    CXXFLAGS="$CXXFLAGS -pedantic"
-    AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
-                                   [[double x = HUGE_VAL; return x != x;]])],
-                  [ac_cv_huge_val_sanity=yes],[ac_cv_huge_val_sanity=no],
-                  [ac_cv_huge_val_sanity=yes])
-    CXXFLAGS=$ac_save_CXXFLAGS
-    AC_LANG_POP([C++])
-    ])
-  AC_SUBST(HUGE_VAL_SANITY,$ac_cv_huge_val_sanity)
-])
diff --git a/autoconf/m4/link_options.m4 b/autoconf/m4/link_options.m4
deleted file mode 100644
index abf6596f7c6f..000000000000
--- a/autoconf/m4/link_options.m4
+++ /dev/null
@@ -1,109 +0,0 @@
-#
-# Get the linker version string.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_GET_VERSION],
-  [AC_CACHE_CHECK([for linker version],[llvm_cv_link_version],
-  [
-   version_string="$(${LD:-ld} -v 2>&1 | head -1)"
-
-   # Check for ld64.
-   if (echo "$version_string" | grep -q "ld64"); then
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)\( (.*)\)\{0,1\}#\1#")
-   else
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#[^0-9]*\([0-9.]*\).*#\1#")
-   fi
-  ])
-  AC_DEFINE_UNQUOTED([HOST_LINK_VERSION],"$llvm_cv_link_version",
-                     [Linker version detected at compile time.])
-])
-
-#
-# Determine if the system can handle the -R option being passed to the linker.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_USE_R],
-[AC_CACHE_CHECK([for compiler -Wl,-R<path> option],[llvm_cv_link_use_r],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-  CFLAGS="$CFLAGS -Wl,-R."
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_r=yes],[llvm_cv_link_use_r=no])
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_r" = yes ; then
-  AC_DEFINE([HAVE_LINK_R],[1],[Define if you can use -Wl,-R. to pass -R. to the linker, in order to add the current directory to the dynamic linker search path.])
-  fi
-])
-
-#
-# Determine if the system can handle the -rdynamic option being passed
-# to the compiler.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_EXPORT_DYNAMIC],
-[AC_CACHE_CHECK([for compiler -rdynamic option],
-                [llvm_cv_link_use_export_dynamic],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-  CFLAGS="$CFLAGS -rdynamic"
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_export_dynamic=yes],[llvm_cv_link_use_export_dynamic=no])
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_export_dynamic" = yes ; then
-  AC_DEFINE([HAVE_LINK_EXPORT_DYNAMIC],[1],[Define if you can use -rdynamic.])
-  fi
-])
-
-#
-# Determine if the system can handle the --version-script option being
-# passed to the linker.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_VERSION_SCRIPT],
-[AC_CACHE_CHECK([for compiler -Wl,--version-script option],
-                [llvm_cv_link_use_version_script],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-
-  # The following code is from the autoconf manual,
-  # "11.13: Limitations of Usual Tools".
-  # Create a temporary directory $tmp in $TMPDIR (default /tmp).
-  # Use mktemp if possible; otherwise fall back on mkdir,
-  # with $RANDOM to make collisions less likely.
-  : ${TMPDIR=/tmp}
-  {
-    tmp=`
-      (umask 077 && mktemp -d "$TMPDIR/fooXXXXXX") 2>/dev/null
-    ` &&
-    test -n "$tmp" && test -d "$tmp"
-  } || {
-    tmp=$TMPDIR/foo$$-$RANDOM
-    (umask 077 && mkdir "$tmp")
-  } || exit $?
-
-  echo "{" > "$tmp/export.map"
-  echo "  global: main;" >> "$tmp/export.map"
-  echo "  local: *;" >> "$tmp/export.map"
-  echo "};" >> "$tmp/export.map"
-
-  CFLAGS="$CFLAGS -Wl,--version-script=$tmp/export.map"
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_version_script=yes],[llvm_cv_link_use_version_script=no])
-  rm "$tmp/export.map"
-  rmdir "$tmp"
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_version_script" = yes ; then
-  AC_SUBST(HAVE_LINK_VERSION_SCRIPT,1)
-  fi
-])
-
diff --git a/autoconf/m4/linux_mixed_64_32.m4 b/autoconf/m4/linux_mixed_64_32.m4
deleted file mode 100644
index 123491f87e5e..000000000000
--- a/autoconf/m4/linux_mixed_64_32.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# Some Linux machines run a 64-bit kernel with a 32-bit userspace. 'uname -m'
-# shows these as x86_64. Ask the system 'gcc' what it thinks.
-#
-AC_DEFUN([AC_IS_LINUX_MIXED],
-[AC_CACHE_CHECK(for 32-bit userspace on 64-bit system,llvm_cv_linux_mixed,
-[ AC_LANG_PUSH([C])
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-      [[#ifndef __x86_64__
-       error: Not x86-64 even if uname says so!
-      #endif
-      ]])],
-      [llvm_cv_linux_mixed=no],
-      [llvm_cv_linux_mixed=yes])
-  AC_LANG_POP([C])
-])
-])
diff --git a/autoconf/m4/need_dev_zero_for_mmap.m4 b/autoconf/m4/need_dev_zero_for_mmap.m4
deleted file mode 100644
index 57b322830172..000000000000
--- a/autoconf/m4/need_dev_zero_for_mmap.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# When allocating RWX memory, check whether we need to use /dev/zero
-# as the file descriptor or not.
-#
-AC_DEFUN([AC_NEED_DEV_ZERO_FOR_MMAP],
-[AC_CACHE_CHECK([if /dev/zero is needed for mmap],
-ac_cv_need_dev_zero_for_mmap,
-[if test "$llvm_cv_os_type" = "Interix" ; then
-   ac_cv_need_dev_zero_for_mmap=yes
- else
-   ac_cv_need_dev_zero_for_mmap=no
- fi
-])
-if test "$ac_cv_need_dev_zero_for_mmap" = yes; then
-  AC_DEFINE([NEED_DEV_ZERO_FOR_MMAP],[1],
-   [Define if /dev/zero should be used when mapping RWX memory, or undefine if its not necessary])
-fi])
diff --git a/autoconf/m4/sanity_check.m4 b/autoconf/m4/sanity_check.m4
deleted file mode 100644
index 639fccca2464..000000000000
--- a/autoconf/m4/sanity_check.m4
+++ /dev/null
@@ -1,31 +0,0 @@
-dnl Check a program for version sanity. The test runs a program, passes it an
-dnl argument to make it print out some identification string, and filters that 
-dnl output with a regular expression. If the output is non-empty, the program
-dnl passes the sanity check.
-dnl   $1 - Name or full path of the program to run
-dnl   $2 - Argument to pass to print out identification string
-dnl   $3 - grep RE to match identification string
-dnl   $4 - set to 1 to make errors only a warning
-AC_DEFUN([CHECK_PROGRAM_SANITY],
-[
-AC_MSG_CHECKING([sanity for program ]$1)
-sanity="0"
-sanity_path=`which $1 2>/dev/null`
-if test "$?" -eq 0 -a -x "$sanity_path" ; then
-  sanity=`$1 $2 2>&1 | grep "$3"`
-  if test -z "$sanity" ; then
-    AC_MSG_RESULT([no])
-    sanity="0"
-    if test "$4" -eq 1 ; then
-      AC_MSG_WARN([Program ]$1[ failed to pass sanity check.])
-    else
-      AC_MSG_ERROR([Program ]$1[ failed to pass sanity check.])
-    fi
-  else
-    AC_MSG_RESULT([yes])
-    sanity="1"
-  fi
-else
-  AC_MSG_RESULT([not found])
-fi
-])
diff --git a/autoconf/m4/single_cxx_check.m4 b/autoconf/m4/single_cxx_check.m4
deleted file mode 100644
index cb4732641825..000000000000
--- a/autoconf/m4/single_cxx_check.m4
+++ /dev/null
@@ -1,16 +0,0 @@
-dnl
-dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
-dnl                     $1,       $2,       $3,     $4,
-
-AC_DEFUN([AC_SINGLE_CXX_CHECK],
-[
-  AC_CACHE_CHECK([for $2 in $3], [$1],
-  [
-    AC_LANG_PUSH([C++])
-    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])],
-                      [$1][[=yes]],
-                      [$1][[=no]])
-    AC_LANG_POP([C++])
-  ])
-])
-
diff --git a/autoconf/m4/visibility_inlines_hidden.m4 b/autoconf/m4/visibility_inlines_hidden.m4
deleted file mode 100644
index b1cc42aa5f53..000000000000
--- a/autoconf/m4/visibility_inlines_hidden.m4
+++ /dev/null
@@ -1,24 +0,0 @@
-#
-# Determine if the compiler accepts -fvisibility-inlines-hidden
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_CXX_USE_VISIBILITY_INLINES_HIDDEN],
-[AC_CACHE_CHECK([for compiler -fvisibility-inlines-hidden option],
-                [llvm_cv_cxx_visibility_inlines_hidden],
-[ AC_LANG_PUSH([C++])
-  oldcxxflags="$CXXFLAGS"
-  CXXFLAGS="$CXXFLAGS -O0 -fvisibility-inlines-hidden -Werror"
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-    [template <typename T> struct X { void __attribute__((noinline)) f() {} };],
-    [X<int>().f();])],
-    [llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no])
-  CXXFLAGS="$oldcxxflags"
-  AC_LANG_POP([C++])
-])
-if test "$llvm_cv_cxx_visibility_inlines_hidden" = yes ; then
-  AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[1])
-else
-  AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[0])
-fi
-])