libsigc++ 3.0.0

Aliases/libsigc++@3

@@ -0,0 +1 @@
+../Formula/libsigc++.rb

Formula/libsigc++.rb

@@ -1,8 +1,8 @@
 class Libsigcxx < Formula
   desc "Callback framework for C++"
   homepage "https://libsigcplusplus.github.io/libsigcplusplus/"
-  url "https://download.gnome.org/sources/libsigc++/2.10/libsigc++-2.10.2.tar.xz"
-  sha256 "b1ca0253379596f9c19f070c83d362b12dfd39c0a3ea1dd813e8e21c1a097a98"
+  url "https://download.gnome.org/sources/libsigc++/3.0/libsigc++-3.0.0.tar.xz"
+  sha256 "50a0855c1eb26e6044ffe888dbe061938ab4241f96d8f3754ea7ead38ab8ed06"
 
   bottle do
     cellar :any
@@ -11,6 +11,8 @@ class Libsigcxx < Formula
     sha256 "e68c8c1b8406b34956d4918cfa1b6717ceb1201732da759be9a2601cc60230e4" => :sierra
   end
 
+  depends_on :macos => :high_sierra # needs C++17
+
   def install
     ENV.cxx11
     system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking"
@@ -20,18 +22,25 @@ class Libsigcxx < Formula
   end
   test do
     (testpath/"test.cpp").write <<~EOS
+      #include <iostream>
+      #include <string>
       #include <sigc++/sigc++.h>
 
-      void somefunction(int arg) {}
+      void on_print(const std::string& str) {
+        std::cout << str;
+      }
 
-      int main(int argc, char *argv[])
-      {
-         sigc::slot<void, int> sl = sigc::ptr_fun(&somefunction);
-         return 0;
+      int main(int argc, char *argv[]) {
+        sigc::signal<void(const std::string&)> signal_print;
+
+        signal_print.connect(sigc::ptr_fun(&on_print));
+
+        signal_print.emit("hello world\\n");
+        return 0;
       }
     EOS
-    system ENV.cxx, "-std=c++11", "test.cpp",
-                   "-L#{lib}", "-lsigc-2.0", "-I#{include}/sigc++-2.0", "-I#{lib}/sigc++-2.0/include", "-o", "test"
-    system "./test"
+    system ENV.cxx, "-std=c++17", "test.cpp",
+                   "-L#{lib}", "-lsigc-3.0", "-I#{include}/sigc++-3.0", "-I#{lib}/sigc++-3.0/include", "-o", "test"
+    assert_match "hello world", shell_output("./test")
   end
 end

Formula/libsigc++@2.rb

@@ -0,0 +1,37 @@
+class Libsigcxx < Formula
+  desc "Callback framework for C++"
+  homepage "https://libsigcplusplus.github.io/libsigcplusplus/"
+  url "https://download.gnome.org/sources/libsigc++/2.10/libsigc++-2.10.2.tar.xz"
+  sha256 "b1ca0253379596f9c19f070c83d362b12dfd39c0a3ea1dd813e8e21c1a097a98"
+
+  bottle do
+    cellar :any
+    sha256 "e969efb989c5ec1cd2d024bed7836a46f4edc0b517d11b8d9df4a1fb196eb901" => :mojave
+    sha256 "3682ee57f364d08e9381c4dbb80438e3fb9194284defabf28f3d2eba8195f63c" => :high_sierra
+    sha256 "e68c8c1b8406b34956d4918cfa1b6717ceb1201732da759be9a2601cc60230e4" => :sierra
+  end
+
+  def install
+    ENV.cxx11
+    system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking"
+    system "make"
+    system "make", "check"
+    system "make", "install"
+  end
+  test do
+    (testpath/"test.cpp").write <<~EOS
+      #include <sigc++/sigc++.h>
+
+      void somefunction(int arg) {}
+
+      int main(int argc, char *argv[])
+      {
+         sigc::slot<void, int> sl = sigc::ptr_fun(&somefunction);
+         return 0;
+      }
+    EOS
+    system ENV.cxx, "-std=c++11", "test.cpp",
+                   "-L#{lib}", "-lsigc-2.0", "-I#{include}/sigc++-2.0", "-I#{lib}/sigc++-2.0/include", "-o", "test"
+    system "./test"
+  end
+end