aead

commit d8bf198123e22f79345e1dc69e1680dde1abd0bd
parent 99d441177240c8814d3526256d1affc047780fd5
Author: Jared Tobin <jared@jtobin.io>
Date:   Sun, 28 Dec 2025 16:37:16 -0330

meta: add llvm flag

Diffstat:
M
flake.nix
 | 
2
+-
M
ppad-aead.cabal
 | 
7
+++++++

2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/flake.nix b/flake.nix
@@ -41,7 +41,7 @@
 
         pkgs = import nixpkgs { inherit system; };
         hlib = pkgs.haskell.lib;
-        llvm  = pkgs.llvmPackages_19.llvm;
+        llvm = pkgs.llvmPackages_19.llvm;
 
         base16 = ppad-base16.packages.${system}.default;
         base16-llvm =
diff --git a/ppad-aead.cabal b/ppad-aead.cabal
@@ -15,6 +15,11 @@ description:
   (AEAD) implementation supporting ChaCha20-Poly1305, per
   [RFC8439](https://datatracker.ietf.org/doc/html/rfc8439).
 
+flag llvm
+  description: Use GHC's LLVM backend.
+  default:     False
+  manual:      True
+
 source-repository head
   type:     git
   location: git.ppad.tech/aead.git
@@ -24,6 +29,8 @@ library
   hs-source-dirs:   lib
   ghc-options:
       -Wall
+  if flag(llvm)
+    ghc-options: -fllvm -O2
   exposed-modules:
       Crypto.AEAD.ChaCha20Poly1305
   build-depends: