closes bpo-36002: Use AC_PATH_TOOL to find llvm-profdata and llvm-ar. (GH-14998)

(cherry picked from commit 0519d497b04b252f50dfff9101fb7f4b9e33f1c4)

Co-authored-by: Doyle Rowland <doyle.rowland@reliaqual.com>
diff --git a/configure.ac b/configure.ac
index f7e0d80..7b3b0b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1338,7 +1338,7 @@
   case $CC in
     *clang*)
       AC_SUBST(LLVM_AR)
-      AC_PATH_TARGET_TOOL(LLVM_AR, llvm-ar, '', ${llvm_path})
+      AC_PATH_TOOL(LLVM_AR, llvm-ar, '', ${llvm_path})
       AC_SUBST(LLVM_AR_FOUND)
       if test -n "${LLVM_AR}" -a -x "${LLVM_AR}"
       then
@@ -1404,7 +1404,7 @@
 AC_SUBST(LLVM_PROF_FILE)
 AC_SUBST(LLVM_PROF_ERR)
 AC_SUBST(LLVM_PROFDATA)
-AC_PATH_TARGET_TOOL(LLVM_PROFDATA, llvm-profdata, '', ${llvm_path})
+AC_PATH_TOOL(LLVM_PROFDATA, llvm-profdata, '', ${llvm_path})
 AC_SUBST(LLVM_PROF_FOUND)
 if test -n "${LLVM_PROFDATA}" -a -x "${LLVM_PROFDATA}"
 then