third-party/mruby/tasks/toolchains/gcc.rake

   1 MRuby::Toolchain.new(:gcc) do |conf, _params|
   2   [conf.cc, conf.objc, conf.asm].each do |cc|
   3     cc.command = ENV['CC'] || 'gcc'
   4     cc.flags = [ENV['CFLAGS'] || %w(-g -std=gnu99 -O3 -Wall -Werror-implicit-function-declaration -Wdeclaration-after-statement -Wwrite-strings -Wundef)]
   5     cc.option_include_path = '-I%s'
   6     cc.option_define = '-D%s'
   7     cc.compile_options = '%{flags} -MMD -o %{outfile} -c %{infile}'
   8     cc.cxx_compile_flag = '-x c++ -std=c++03'
   9     cc.cxx_exception_flag = '-fexceptions'
  10   end
  11
  12   [conf.cxx].each do |cxx|
  13     cxx.command = ENV['CXX'] || 'g++'
  14     cxx.flags = [ENV['CXXFLAGS'] || ENV['CFLAGS'] || %w(-g -O3 -Wall -Werror-implicit-function-declaration -Wundef)]
  15     cxx.option_include_path = '-I%s'
  16     cxx.option_define = '-D%s'
  17     cxx.compile_options = '%{flags} -MMD -o %{outfile} -c %{infile}'
  18     cxx.cxx_compile_flag = '-x c++ -std=c++03'
  19     cxx.cxx_exception_flag = '-fexceptions'
  20   end
  21
  22   conf.linker do |linker|
  23     linker.command = ENV['LD'] || ENV['CXX'] || ENV['CC'] || 'gcc'
  24     linker.flags = [ENV['LDFLAGS'] || %w()]
  25     linker.libraries = %w(m)
  26     linker.library_paths = []
  27     linker.option_library = '-l%s'
  28     linker.option_library_path = '-L%s'
  29     linker.link_options = '%{flags} -o %{outfile} %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}'
  30   end
  31
  32   [[conf.cc, 'c'], [conf.cxx, 'c++']].each do |cc, lang|
  33     cc.instance_variable_set :@header_search_language, lang
  34     def cc.header_search_paths
  35       if @header_search_command != command
  36         result = `echo | #{build.filename command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1`
  37         result = `echo | #{command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1` if $?.exitstatus != 0
  38         return include_paths if  $?.exitstatus != 0
  39
  40         @frameworks = []
  41         @header_search_paths = result.lines.map { |v|
  42           framework = v.match(/^ (.*)(?: \(framework directory\))$/)
  43           if framework
  44             @frameworks << framework[1]
  45             next nil
  46           end
  47
  48           v.match(/^ (.*)$/)
  49         }.compact.map { |v| v[1] }.select { |v| File.directory? v }
  50         @header_search_paths += include_paths
  51         @header_search_command = command
  52       end
  53       @header_search_paths
  54     end
  55   end
  56
  57   def conf.enable_sanitizer(*opts)
  58     fail 'sanitizer already set' if @sanitizer_list
  59
  60     @sanitizer_list = opts
  61     flg = "-fsanitize=#{opts.join ','}"
  62     [self.cc, self.cxx, self.linker].each{|cmd| cmd.flags << flg }
  63   end
  64 end