Update NEWS file. Say that fat builds are now on by default.

diff --git a/NEWS b/NEWS
index 9de1c4bce5d748439b610bf6e51591ce893537af..5efc74cc6d65e1efdd6f97e2993bd53dc13061f2 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,15 +1,16 @@
 NEWS for the Nettle 3.7 release
 
        This release adds one new feature, the bcrypt password hashing
-       function, and lots of optimizations.
+       function, and lots of optimizations. There's also one
+       important change to how Nettle is configured: Fat builds are
+       now on by default.
 
        The release adds PowerPC64 assembly for a few algorithms,
        resulting in great speedups. Benchmarked on a Power9 machine,
        speedup was 13 times for AES256-CTR and AES256-GCM, and 3.5
-       times for Chacha. Since the new PowerPC64 code depends on
-       optional instructions, it is not enabled by default. The
-       recommended way to enable it, with runtime detection of
-       available instructions, is to configure with --enable-fat.
+       times for Chacha. For fat builds (now the default), the new
+       code is used automatically, on processors supporting the needed
+       instruction set extensions.
 
        The new version is intended to be fully source and binary
        compatible with Nettle-3.6. The shared library names are
@@ -33,6 +34,14 @@ NEWS for the Nettle 3.7 release
        * Overhaul of some elliptic curve primitives, improving ECDSA
          signature speed.
 
+       Configure:
+
+       * Fat builds are enabled by default on the architectures where
+         it is supported (x86_64, arm and powerpc64). To disable
+         runtime selection, and instead specify the processor flavor
+         at configure time, you need to pass --disable-fat to the
+         configure script.
+
        Miscellaneous:
 
        * Use a few more gmp-6.1 functions: mpn_cnd_add_n,