libcap-ng 0.8 (new formula) (#64708)

.github/workflows/tests-linux.yml

@@ -9,6 +9,7 @@ on:
       - "Formula/ladspa-sdk.rb"
       - "Formula/libbsd.rb"
       - "Formula/libcap.rb"
+      - "Formula/libcap-ng.rb"
       - "Formula/libdrm.rb"
       - "Formula/libfuse.rb"
       - "Formula/libmnl.rb"

Formula/libcap-ng.rb

@@ -0,0 +1,41 @@
+class LibcapNg < Formula
+  desc "Library for Linux that makes using posix capabilities easy"
+  homepage "https://people.redhat.com/sgrubb/libcap-ng"
+  url "https://github.com/stevegrubb/libcap-ng/archive/v0.8.tar.gz"
+  sha256 "836ea8188ae7c658cdf003e62a241509dd542f3dec5bc40c603f53a5aadaa93f"
+  license "LGPL-2.1-or-later"
+
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
+  depends_on "python@3.9" => :build
+  depends_on "swig" => :build
+  depends_on :linux
+
+  uses_from_macos "m4" => :build
+
+  def install
+    system "./autogen.sh"
+    system "./configure", "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}",
+                          "--with-python3"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<~EOS
+      #include <stdio.h>
+      #include <cap-ng.h>
+
+      int main(int argc, char *argv[])
+      {
+        if(capng_have_permitted_capabilities() > -1)
+          printf("ok");
+      }
+    EOS
+    system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lcap-ng", "-o", "test"
+    assert_equal "ok", `./test`
+  end
+end