bpo-31354: Let configure --with-lto work on all builds

bpo-31354: Let configure --with-lto work on all builds · python/cpython@4c81401

Original file line number	Diff line number	Diff line change
`@@ -1282,9 +1282,8 @@ else`
`1282`	`1282`	`fi`
`1283`	`1283`
`1284`	`1284`	`# Enable LTO flags`
`1285`		`-AC_SUBST(LTOFLAGS)`
`1286`	`1285`	`AC_MSG_CHECKING(for --with-lto)`
`1287`		`-AC_ARG_WITH(lto, AS_HELP_STRING([--with-lto], [Enable Link Time Optimization in PGO builds. Disabled by default.]),`
	`1286`	`+AC_ARG_WITH(lto, AS_HELP_STRING([--with-lto], [Enable Link Time Optimization in any build. Disabled by default.]),`
`1288`	`1287`	`[`
`1289`	`1288`	`if test "$withval" != no`
`1290`	`1289`	`then`
`@@ -1319,6 +1318,8 @@ if test "$Py_LTO" = 'true' ; then`
`1319`	`1318`	`esac`
`1320`	`1319`	`;;`
`1321`	`1320`	`esac`
	`1321`	`+ CFLAGS="$CFLAGS $LTOFLAGS"`
	`1322`	`+ LDFLAGS="$LDFLAGS $LTOFLAGS"`
`1322`	`1323`	`fi`
`1323`	`1324`
`1324`	`1325`	`# Enable PGO flags.`