Homebrew!

Almost forgot to add macOS support

terminalimageviewer.rb

@@ -4,12 +4,26 @@ class Terminalimageviewer < Formula
   url "https://github.com/stefanhaustein/TerminalImageViewer/archive/v1.0.0.tar.gz"
   sha256 "d28c5746d25d83ea707db52b54288c4fc1851c642ae021951967e69296450c8c"
   head "https://github.com/stefanhaustein/TerminalImageViewer.git"
+  depends_on "gcc" => :build unless OS.linux?
   depends_on "imagemagick"
 
   def install
     cd "src/main/cpp" do
-      # No expermimental/filesystem.h on clang
       system "make"
+      if OS.mac?
+        # No expermimental/filesystem.h on mac
+        system "#{Formula["gcc"].opt_bin}/gcc-#{Formula["gcc"].version_suffix}", "-std=c++17",
+                                                                                  "-Wall",
+                                                                                  "-fpermissive",
+                                                                                  "-fexceptions",
+                                                                                  "-O2", "-c",
+                                                                                  "tiv.cpp", "-o", "tiv.o"
+        system "#{Formula["gcc"].opt_bin}/gcc-#{Formula["gcc"].version_suffix}", "tiv.o", "-o", 
+                                                                                 "tiv", "-lstdc++fs",
+                                                                                 "-pthread", "-s"
+      else
+        system "make"
+      end
       bin.install "tiv"
     end
   end