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

diff --git a/Misc/NEWS.d/next/Build/2019-09-13-14-12-36.bpo-36002.Bcl4oe.rst b/Misc/NEWS.d/next/Build/2019-09-13-14-12-36.bpo-36002.Bcl4oe.rst
new file mode 100644
index 0000000..374e7b2
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2019-09-13-14-12-36.bpo-36002.Bcl4oe.rst
@@ -0,0 +1,2 @@
+Locate ``llvm-profdata`` and ``llvm-ar`` binaries using ``AC_PATH_TOOL``
+rather than ``AC_PATH_TARGET_TOOL``.
diff --git a/configure.ac b/configure.ac
index 5ca775c..69e2a5e 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