Rename the new --with-optimiations flag to --enable-optimizations.
diff --git a/configure b/configure
index 64b75c9..b281970 100755
--- a/configure
+++ b/configure
@@ -784,6 +784,7 @@
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -817,7 +818,7 @@
 enable_shared
 enable_profiling
 with_pydebug
-with_optimizations
+enable_optimizations
 with_lto
 with_hash_algorithm
 with_address_sanitizer
@@ -894,6 +895,7 @@
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1146,6 +1148,15 @@
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1283,7 +1294,7 @@
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1436,6 +1447,7 @@
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1476,6 +1488,8 @@
                           Build (MacOSX|Darwin) framework
   --enable-shared         disable/enable building shared python library
   --enable-profiling      enable C-level code profiling
+  --enable-optimizations  Enable expensive optimizations (PGO, etc). Disabled
+                          by default.
   --enable-loadable-sqlite-extensions
                           support loadable extensions in _sqlite module
   --enable-ipv6           Enable ipv6 (with ipv4) support
@@ -1499,8 +1513,6 @@
                           compiler
   --with-suffix=.exe      set executable suffix
   --with-pydebug          build with Py_DEBUG defined
-  --with-optimizations    Enable expensive optimizations (PGO, etc). Disabled
-                          by default.
   --with-lto              Enable Link Time Optimization in PGO builds.
                           Disabled by default.
   --with-hash-algorithm=[fnv|siphash24]
@@ -6524,12 +6536,11 @@
 
 
 Py_OPT='false'
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-optimizations" >&5
-$as_echo_n "checking for --with-optimizations... " >&6; }
-
-# Check whether --with-optimizations was given.
-if test "${with_optimizations+set}" = set; then :
-  withval=$with_optimizations;
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --enable-optimizations" >&5
+$as_echo_n "checking for --enable-optimizations... " >&6; }
+# Check whether --enable-optimizations was given.
+if test "${enable_optimizations+set}" = set; then :
+  enableval=$enable_optimizations;
 if test "$withval" != no
 then
   Py_OPT='true'
@@ -6796,7 +6807,7 @@
       LLVM_PROF_ERR=yes
       if test "${REQUIRE_PGO}" = "yes"
       then
-        as_fn_error $? "llvm-profdata is required for a --with-optimizations build but could not be found." "$LINENO" 5
+        as_fn_error $? "llvm-profdata is required for a --enable-optimizations build but could not be found." "$LINENO" 5
       fi
     fi
     ;;
@@ -6812,7 +6823,7 @@
           LLVM_PROF_ERR=yes
           if test "${REQUIRE_PGO}" = "yes"
 	  then
-	    as_fn_error $? "llvm-profdata is required for a --with-optimizations build but could not be found." "$LINENO" 5
+	    as_fn_error $? "llvm-profdata is required for a --enable-optimizations build but could not be found." "$LINENO" 5
 	  fi
         fi
         ;;
@@ -17861,7 +17872,7 @@
     echo "" >&6
     echo "" >&6
     echo "If you want a release build with all optimizations active (LTO, PGO, etc)," >&6
-    echo "please run ./configure --with-optimizations" >&6
+    echo "please run ./configure --enable-optimizations" >&6
     echo "" >&6
     echo "" >&6
 fi