libaegis 0.4.5 (new formula)

Author: alebcay

Formula/lib/libaegis.rb

@@ -0,0 +1,40 @@
+class Libaegis < Formula
+  desc "Portable C implementations of the AEGIS family of encryption algorithms"
+  homepage "https://github.com/aegis-aead/libaegis"
+  url "https://github.com/aegis-aead/libaegis/archive/refs/tags/0.4.5.tar.gz"
+  sha256 "ce855320369f5e46d4c3512bf28a0cb8b8260b6d079b6b9bfda61ccd452fe9ce"
+  license "MIT"
+
+  depends_on "cmake" => :build
+
+  def install
+    # The library contains multiple implementations, from which the most optimal is
+    # selected at runtime, see https://github.com/aegis-aead/libaegis/blob/main/src/common/cpu.c
+    ENV.runtime_cpu_detection
+
+    system "cmake", "-S", ".", "-B", "build", "-DBUILD_SHARED_LIBS=ON", *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+  end
+
+  test do
+    (testpath/"test.c").write <<~EOS
+      #include <stdio.h>
+      #include <aegis.h>
+
+      int main() {
+        int result = aegis_init();
+        if (result != 0) {
+          printf("aegis_init failed with result %d\\n", result);
+          return 1;
+        } else {
+          printf("aegis_init succeeded\\n");
+          return 0;
+        }
+      }
+    EOS
+
+    system ENV.cc, "-I#{include}", "-L#{lib}", "-laegis", "-o", "test", "test.c"
+    system "./test"
+  end
+end

style_exceptions/runtime_cpu_detection_allowlist.json

@@ -14,6 +14,7 @@
   "groestlcoin",
   "handbrake",
   "highway",
+  "libaegis",
   "libpq",
   "libpq@16",
   "libpq@17",