diff --git a/configure b/configure
index b2024bab2fb065..7d8772585f87d9 100755
--- a/configure
+++ b/configure
@@ -7640,7 +7640,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROFILE_TASK" >&5
 $as_echo "$PROFILE_TASK" >&6; }
 
-# Make llvm-relatec checks work on systems where llvm tools are not installed with their
+# Make llvm-related checks work on systems where llvm tools are not installed with their
 # normal names in the default $PATH (ie: Ubuntu).  They exist under the
 # non-suffixed name in their versioned llvm directory.
 
@@ -7705,7 +7705,7 @@ fi
 if test "$Py_LTO" = 'true' ; then
   case $CC in
     *clang*)
-            LDFLAGS_NOLTO="-fno-lto"
+                  LDFLAGS_NOLTO="-flto=${Py_LTO_POLICY}"
 
       if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}llvm-ar", so it can be a program name with args.
diff --git a/configure.ac b/configure.ac
index a61adcc817e82f..27f872985d182c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1774,7 +1774,7 @@ then
 fi
 AC_MSG_RESULT($PROFILE_TASK)
 
-# Make llvm-relatec checks work on systems where llvm tools are not installed with their
+# Make llvm-related checks work on systems where llvm tools are not installed with their
 # normal names in the default $PATH (ie: Ubuntu).  They exist under the
 # non-suffixed name in their versioned llvm directory.
 
@@ -1828,8 +1828,9 @@ esac
 if test "$Py_LTO" = 'true' ; then
   case $CC in
     *clang*)
-      dnl flag to disable lto during linking
-      LDFLAGS_NOLTO="-fno-lto"
+      dnl Clang linker requires -flto in order to link objects with LTO information.
+      dnl Thin LTO is faster and works for object files with full LTO information, too.
+      AX_CHECK_COMPILE_FLAG([-flto=thin],[LDFLAGS_NOLTO="-flto=thin"],[LDFLAGS_NOLTO="-flto"])
       AC_SUBST(LLVM_AR)
       AC_PATH_TOOL(LLVM_AR, llvm-ar, '', ${llvm_path})
       AC_SUBST(LLVM_AR_FOUND)