Rename the new --with-optimiations flag to --enable-optimizations.
diff --git a/configure b/configure
index 6cbdf2a..4e4f9e3 100755
--- a/configure
+++ b/configure
@@ -804,7 +804,7 @@
 enable_shared
 enable_profiling
 with_pydebug
-with_optimizations
+enable_optimizations
 with_lto
 enable_toolbox_glue
 with_libs
@@ -1475,6 +1475,8 @@
                           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, maybe LTO,
+                          etc). Disabled by default.
   --enable-toolbox-glue   disable/enable MacOSX glue code for extensions
   --enable-ipv6           Enable ipv6 (with ipv4) support
   --disable-ipv6          Disable ipv6 support
@@ -1499,8 +1501,6 @@
                           compiler
   --with-suffix=.exe      set executable suffix
   --with-pydebug          build with Py_DEBUG defined
-  --with-optimizations    Enable expensive optimizations (PGO, maybe LTO,
-                          etc). Disabled by default.
   --with-lto              Enable Link Time Optimization in PGO builds.
                           Disabled by default.
   --with-libs='lib1 ...'  link against additional libs
@@ -6386,12 +6386,11 @@
 
 
 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'
@@ -6654,7 +6653,7 @@
       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
     ;;
@@ -6670,7 +6669,7 @@
           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
         ;;
@@ -16500,7 +16499,7 @@
     echo "" >&6
     echo "" >&6
     echo "If you want a release build with all optimizations active (LTO, PGO, etc),"
-    echo "please run ./configure --with-optimizations" >&6
+    echo "please run ./configure --enable-optimizations" >&6
     echo "" >&6
     echo "" >&6
 fi