1 files changed, 56 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/s2n-tls/default.nix b/nixpkgs/pkgs/development/libraries/s2n-tls/default.nix
new file mode 100644
index 000000000000..1ce6f2672104
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/s2n-tls/default.nix
@@ -0,0 +1,56 @@
+{ lib, stdenv
+, fetchFromGitHub
+, fetchpatch
+, cmake
+, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "s2n-tls";
+  version = "1.0.17";
+
+  src = fetchFromGitHub {
+    owner = "aws";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-6XqBpNURU8fzGkTt4jsijgMiOkzMebmLmPAq8yQsTg4=";
+  };
+
+  patches = [
+    # Fix FindLibCrypto paths (https://github.com/aws/s2n-tls/pull/3067)
+    (fetchpatch {
+      url = "https://github.com/aws/s2n-tls/commit/bda649524402be4018c44bff07f6c64502a351ec.patch";
+      sha256 = "02jmxsrd506vhjzlrgh1p2z1f1sn4v8klks25zisiykyqkyaczkv";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+
+  outputs = [ "out" "dev"];
+
+  buildInputs = [ openssl ]; # s2n-config has find_dependency(LibCrypto).
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=ON"
+    "-DCMAKE_SKIP_BUILD_RPATH=OFF"
+    "-DUNSAFE_TREAT_WARNINGS_AS_ERRORS=OFF" # disable -Werror
+  ];
+
+  propagatedBuildInputs = [ openssl ]; # s2n-config has find_dependency(LibCrypto).
+
+  postInstall = ''
+    # Glob for 'shared' or 'static' subdir
+    for f in $out/lib/s2n/cmake/*/s2n-targets.cmake; do
+      substituteInPlace "$f" \
+        --replace 'INTERFACE_INCLUDE_DIRECTORIES "''${_IMPORT_PREFIX}/include"' 'INTERFACE_INCLUDE_DIRECTORIES ""'
+    done
+  '';
+
+  meta = with lib; {
+    description = "C99 implementation of the TLS/SSL protocols";
+    homepage = "https://github.com/aws/s2n-tls";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ orivej ];
+  };
+}