libplctag 1.5.8 (new formula)

Closes #27489.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/libplctag.rb

@@ -0,0 +1,29 @@
+class Libplctag < Formula
+  desc "Portable and simple API for accessing AB PLC data over Ethernet"
+  homepage "https://github.com/kyle-github/libplctag"
+  url "https://github.com/kyle-github/libplctag/archive/v1.5.8.tar.gz"
+  sha256 "03847aeb4bdbfad255e62feff029b9b0c81758e66b840237023243b1c1b764ec"
+
+  depends_on "cmake" => :build
+
+  def install
+    system "cmake", ".", *std_cmake_args
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<~EOS
+      #include <stdlib.h>
+      #include <libplctag.h>
+
+      int main(int argc, char **argv) {
+        plc_tag tag = plc_tag_create("protocol=ab_eip&gateway=192.168.1.42&path=1,0&cpu=LGX&elem_size=4&elem_count=10&name=myDINTArray");
+        if (!tag) abort();
+        plc_tag_destroy(tag);
+        return 0;
+      }
+    EOS
+    system ENV.cc, "test.c", "-lplctag", "-o", "test"
+    system "./test"
+  end
+end