Add Simple 2D to gem installation

1 files changed, 32 insertions, 15 deletions

diff --git a/ext/ruby2d/extconf.rb b/ext/ruby2d/extconf.rb
index 96c9eb4..04d9cd6 100644
--- a/ext/ruby2d/extconf.rb
+++ b/ext/ruby2d/extconf.rb
@@ -12,9 +12,9 @@ def print_errors(errors)
   puts "
 #{"== Ruby 2D Installation Errors =============================".bold}
   
-  Ruby 2D found some problems and was not installed:
+  #{"Ruby 2D found some problems and was not installed:".error}
   
-    #{errors.join("\n  ").error}
+  #{errors.join("\n  ")}
   
 #{"============================================================".bold}
 
@@ -28,15 +28,23 @@ $LDFLAGS << ' '
 # Mac OS
 if RUBY_PLATFORM =~ /darwin/
   
-  # if `which simple2d`.empty? && has brew
-  #   brew tap simple2d/tap
-  #   brew install simple2d
-  # end
-  
+  # If Simple 2D not installed
   if `which simple2d`.empty?
-    errors << "Simple 2D not found!"
-    print_errors(errors)
-    exit
+    
+    # If Homebrew not installed, print and quit
+    if `which brew`.empty?
+      errors << "Ruby 2D uses a library called Simple 2D." <<
+                "On OS X,this can be installed using Homebrew." <<
+                "Install Homebrew, then try installing this gem again.\n" <<
+                "Learn more at http://brew.sh"
+      print_errors(errors)
+      exit
+      
+    # Install Simple 2D using Homebrew
+    else
+      `brew tap simple2d/tap`
+      `brew install simple2d`
+    end
   end
   
   $LDFLAGS << `simple2d --libs`
@@ -44,18 +52,27 @@ if RUBY_PLATFORM =~ /darwin/
 # Windows
 elsif RUBY_PLATFORM =~ /mingw/
   
+  puts "Ruby 2D doesn't support windows yet :("
+  exit
+  
 # Linux
 else
   
-  # if `which simple2d`.empty?
-  #   install simple2d using script
-  # end
+  # If Simple 2D not installed
+  if `which simple2d`.empty?
+    
+    errors << "Ruby 2D uses a library called Simple 2D." <<
+              "On Linux, there's a script to make installaton easy.\n" <<
+              "Follow the instructions in the README to get started:" <<
+              "  https://github.com/simple2d/simple2d"
+    print_errors(errors)
+    exit
+  end
   
   $LDFLAGS << `simple2d --libs`
-  
 end
 
-# Remove any newlines in flags
+# Remove newlines in flags, they cause problems
 $LDFLAGS.gsub!(/\n/, ' ')
 
 create_makefile('ruby2d/ruby2d')