diff --git a/Makefile.config.in b/Makefile.config.in
index 7b9af41..619faa8 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -175,7 +175,6 @@
 TAR        := @TAR@
 
 # Paths to miscellaneous programs we hope are present but might not be
-PERL       := @PERL@
 BZIP2      := @BZIP2@
 CAT        := @CAT@
 DOT        := @DOT@
@@ -194,7 +193,6 @@
 TCLSH      := @TCLSH@
 ZIP        := @ZIP@
 
-HAVE_PERL    := @HAVE_PERL@
 HAVE_PTHREAD := @HAVE_PTHREAD@
 
 LIBS       := @LIBS@
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index e18725d..5ea2e30 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1005,16 +1005,6 @@
    [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
 fi
 
-dnl Look for a sufficiently recent version of Perl.
-LLVM_PROG_PERL([5.006])
-AC_SUBST(PERL)
-if test x"$PERL" = xnone; then
-   AC_SUBST(HAVE_PERL,0)
-   AC_MSG_ERROR([perl is required but was not found, please install it])
-else
-   AC_SUBST(HAVE_PERL,1)
-fi
-
 dnl Find the install program
 AC_PROG_INSTALL
 dnl Prepend src dir to install path dir if it's a relative path
diff --git a/autoconf/m4/path_perl.m4 b/autoconf/m4/path_perl.m4
deleted file mode 100644
index 406656c..0000000
--- a/autoconf/m4/path_perl.m4
+++ /dev/null
@@ -1,16 +0,0 @@
-dnl Check for a reasonable version of Perl.
-dnl   $1 - Minimum Perl version.  Typically 5.006.
-dnl 
-AC_DEFUN([LLVM_PROG_PERL], [
-AC_PATH_PROG(PERL, [perl], [none])
-if test "$PERL" != "none"; then
-  AC_MSG_CHECKING(for Perl $1 or newer)
-  if $PERL -e 'use $1;' 2>&1 > /dev/null; then
-    AC_MSG_RESULT(yes)
-  else
-    PERL=none
-    AC_MSG_RESULT(not found)
-  fi
-fi
-])
-
diff --git a/configure b/configure
index a6ed7a1..00f49df 100755
--- a/configure
+++ b/configure
@@ -736,8 +736,6 @@
 GV
 DOTTY
 XDOT_PY
-PERL
-HAVE_PERL
 INSTALL_PROGRAM
 INSTALL_SCRIPT
 INSTALL_DATA
@@ -6905,73 +6903,6 @@
 
 fi
 
-
-# Extract the first word of "perl", so it can be a program name with args.
-set dummy perl; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_path_PERL+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  case $PERL in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PERL" && ac_cv_path_PERL="none"
-  ;;
-esac
-fi
-PERL=$ac_cv_path_PERL
-if test -n "$PERL"; then
-  { echo "$as_me:$LINENO: result: $PERL" >&5
-echo "${ECHO_T}$PERL" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-
-if test "$PERL" != "none"; then
-  { echo "$as_me:$LINENO: checking for Perl 5.006 or newer" >&5
-echo $ECHO_N "checking for Perl 5.006 or newer... $ECHO_C" >&6; }
-  if $PERL -e 'use 5.006;' 2>&1 > /dev/null; then
-    { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-  else
-    PERL=none
-    { echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6; }
-  fi
-fi
-
-
-if test x"$PERL" = xnone; then
-   HAVE_PERL=0
-
-   { { echo "$as_me:$LINENO: error: perl is required but was not found, please install it" >&5
-echo "$as_me: error: perl is required but was not found, please install it" >&2;}
-   { (exit 1); exit 1; }; }
-else
-   HAVE_PERL=1
-
-fi
-
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
@@ -10464,7 +10395,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10467 "configure"
+#line 10398 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -21952,8 +21883,6 @@
 GV!$GV$ac_delim
 DOTTY!$DOTTY$ac_delim
 XDOT_PY!$XDOT_PY$ac_delim
-PERL!$PERL$ac_delim
-HAVE_PERL!$HAVE_PERL$ac_delim
 INSTALL_PROGRAM!$INSTALL_PROGRAM$ac_delim
 INSTALL_SCRIPT!$INSTALL_SCRIPT$ac_delim
 INSTALL_DATA!$INSTALL_DATA$ac_delim
@@ -22009,7 +21938,7 @@
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 92; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 90; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff --git a/projects/sample/Makefile.llvm.config.in b/projects/sample/Makefile.llvm.config.in
index 9e0c34c..deef6b2 100644
--- a/projects/sample/Makefile.llvm.config.in
+++ b/projects/sample/Makefile.llvm.config.in
@@ -143,7 +143,6 @@
 TAR        := @TAR@
 
 # Paths to miscellaneous programs we hope are present but might not be
-PERL       := @PERL@
 BZIP2      := @BZIP2@
 CAT        := @CAT@
 DOT        := @DOT@
@@ -162,7 +161,6 @@
 TCLSH      := @TCLSH@
 ZIP        := @ZIP@
 
-HAVE_PERL    := @HAVE_PERL@
 HAVE_PTHREAD := @HAVE_PTHREAD@
 
 LIBS       := @LIBS@
diff --git a/projects/sample/autoconf/configure.ac b/projects/sample/autoconf/configure.ac
index a1110ec..25d678a 100644
--- a/projects/sample/autoconf/configure.ac
+++ b/projects/sample/autoconf/configure.ac
@@ -909,16 +909,6 @@
    [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
 fi
 
-dnl Look for a sufficiently recent version of Perl.
-LLVM_PROG_PERL([5.006])
-AC_SUBST(PERL)
-if test x"$PERL" = xnone; then
-   AC_SUBST(HAVE_PERL,0)
-   AC_MSG_ERROR([perl is required but was not found, please install it])
-else
-   AC_SUBST(HAVE_PERL,1)
-fi
-
 dnl Find the install program
 AC_PROG_INSTALL
 dnl Prepend src dir to install path dir if it's a relative path
diff --git a/projects/sample/autoconf/m4/path_perl.m4 b/projects/sample/autoconf/m4/path_perl.m4
deleted file mode 100644
index 406656c..0000000
--- a/projects/sample/autoconf/m4/path_perl.m4
+++ /dev/null
@@ -1,16 +0,0 @@
-dnl Check for a reasonable version of Perl.
-dnl   $1 - Minimum Perl version.  Typically 5.006.
-dnl 
-AC_DEFUN([LLVM_PROG_PERL], [
-AC_PATH_PROG(PERL, [perl], [none])
-if test "$PERL" != "none"; then
-  AC_MSG_CHECKING(for Perl $1 or newer)
-  if $PERL -e 'use $1;' 2>&1 > /dev/null; then
-    AC_MSG_RESULT(yes)
-  else
-    PERL=none
-    AC_MSG_RESULT(not found)
-  fi
-fi
-])
-
diff --git a/projects/sample/configure b/projects/sample/configure
index ca654d0..db45550 100755
--- a/projects/sample/configure
+++ b/projects/sample/configure
@@ -733,8 +733,6 @@
 GV
 DOTTY
 XDOT_PY
-PERL
-HAVE_PERL
 INSTALL_PROGRAM
 INSTALL_SCRIPT
 INSTALL_DATA
@@ -6807,73 +6805,6 @@
 
 fi
 
-
-# Extract the first word of "perl", so it can be a program name with args.
-set dummy perl; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_path_PERL+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  case $PERL in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PERL" && ac_cv_path_PERL="none"
-  ;;
-esac
-fi
-PERL=$ac_cv_path_PERL
-if test -n "$PERL"; then
-  { echo "$as_me:$LINENO: result: $PERL" >&5
-echo "${ECHO_T}$PERL" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-
-if test "$PERL" != "none"; then
-  { echo "$as_me:$LINENO: checking for Perl 5.006 or newer" >&5
-echo $ECHO_N "checking for Perl 5.006 or newer... $ECHO_C" >&6; }
-  if $PERL -e 'use 5.006;' 2>&1 > /dev/null; then
-    { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-  else
-    PERL=none
-    { echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6; }
-  fi
-fi
-
-
-if test x"$PERL" = xnone; then
-   HAVE_PERL=0
-
-   { { echo "$as_me:$LINENO: error: perl is required but was not found, please install it" >&5
-echo "$as_me: error: perl is required but was not found, please install it" >&2;}
-   { (exit 1); exit 1; }; }
-else
-   HAVE_PERL=1
-
-fi
-
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
@@ -10366,7 +10297,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10369 "configure"
+#line 10300 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -21790,8 +21721,6 @@
 GV!$GV$ac_delim
 DOTTY!$DOTTY$ac_delim
 XDOT_PY!$XDOT_PY$ac_delim
-PERL!$PERL$ac_delim
-HAVE_PERL!$HAVE_PERL$ac_delim
 INSTALL_PROGRAM!$INSTALL_PROGRAM$ac_delim
 INSTALL_SCRIPT!$INSTALL_SCRIPT$ac_delim
 INSTALL_DATA!$INSTALL_DATA$ac_delim
@@ -21847,7 +21776,7 @@
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 89; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5