lib/fast_excel/binding.rb in fast_excel-0.4.0 vs lib/fast_excel/binding.rb in fast_excel-0.4.1

@@ -3,18 +3,15 @@
 require 'ffi'
 
 module Libxlsxwriter
   extend FFI::Library
 
-  LIB_FILENAME = if RUBY_PLATFORM =~ /darwin/
-    "libxlsxwriter.dylib"
-  elsif ['x64-mingw32', 'i386-mingw32'].include? RUBY_PLATFORM
-    "libxlsxwriter.dll"
-  else
-    "libxlsxwriter.so"
-  end
+  LIB_FILENAME = "libxlsxwriter.#{FFI::Platform::LIBSUFFIX}".freeze
 
-  ffi_lib File.expand_path("./../../../libxlsxwriter/lib/#{LIB_FILENAME}", __FILE__)
+  libs = [File.expand_path("../../#{LIB_FILENAME}", __FILE__)]
+  libs.unshift(File.join(Gem.loaded_specs['fast_excel'].extension_dir, LIB_FILENAME)) if Gem.loaded_specs['fast_excel']
+
+  ffi_lib(libs)
 
   def self.attach_function(name, *_)
     begin; super; rescue FFI::NotFoundError => e
       (class << self; self; end).class_eval { define_method(name) { |*_| raise e } }
     end