graphene 1.2.6 (new formula)

Closes Homebrew/homebrew#42898.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Formula/graphene.rb

@@ -0,0 +1,44 @@
+class Graphene < Formula
+  desc "Thin layer of graphic data types"
+  homepage "https://ebassi.github.io/graphene/"
+  url "https://download.gnome.org/sources/graphene/1.2/graphene-1.2.6.tar.xz"
+  sha256 "987a83be0b9e634805d8bb949d11422a42e627fd40f78c68c3b1ac7b3243cda2"
+
+  depends_on "pkg-config" => :build
+  depends_on "glib"
+
+  def install
+    system "./configure", "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}"
+    system "make"
+    system "make", "check"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<-EOS.undent
+      #include <graphene-gobject.h>
+
+      int main(int argc, char *argv[]) {
+      GType type = graphene_point_get_type();
+        return 0;
+      }
+    EOS
+    gettext = Formula["gettext"]
+    glib = Formula["glib"]
+    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
+    flags += %W[
+      -I#{gettext.opt_include}
+      -I#{glib.opt_include}/glib-2.0
+      -I#{glib.opt_lib}/glib-2.0/include
+      -I#{include}/graphene-1.0
+      -I#{lib}/graphene-1.0/include
+      -L#{lib}
+      -lgraphene-1.0
+    ]
+    system ENV.cc, "test.c", "-o", "test", *flags
+    system "./test"
+  end
+end