Creating llvm - final tag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_29@128672 91177308-0d34-0410-b5e6-96231b3b80d8

final/autoconf/m4/path_perl.m4

@@ -0,0 +1,16 @@
+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
+])
+