1 | MRuby::Toolchain.new(:gcc) do |conf, params|
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2 | default_command = params[:default_command] || 'gcc'
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3 | compiler_flags = %w(-g3 -Og -Wall -Wundef)
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4 | c_mandatory_flags = %w(-std=gnu99)
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5 | cxx_invalid_flags = %w(-Wdeclaration-after-statement -Werror-implicit-function-declaration)
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6 |
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7 | [conf.cc, conf.objc, conf.asm, conf.cxx].each do |compiler|
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8 | if compiler == conf.cxx
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9 | compiler.command = ENV['CXX'] || default_command.sub(/cc|$/, '++')
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10 | compiler.flags = [ENV['CXXFLAGS'] || ENV['CFLAGS'] || compiler_flags]
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11 | else
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12 | compiler.command = ENV['CC'] || default_command
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13 | compiler.flags = [c_mandatory_flags, ENV['CFLAGS'] || [compiler_flags, cxx_invalid_flags, %w(-Wwrite-strings)]]
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14 | end
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15 | compiler.option_include_path = %q[-I"%s"]
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16 | compiler.option_define = '-D%s'
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17 | compiler.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"]
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18 | compiler.cxx_compile_flag = '-x c++ -std=gnu++03'
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19 | compiler.cxx_exception_flag = '-fexceptions'
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20 | compiler.cxx_invalid_flags = c_mandatory_flags + cxx_invalid_flags
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21 | end
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22 |
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23 | conf.linker do |linker|
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24 | linker.command = ENV['LD'] || ENV['CXX'] || ENV['CC'] || default_command
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25 | linker.flags = [ENV['LDFLAGS'] || %w()]
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26 | linker.libraries = %w(m)
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27 | linker.library_paths = []
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28 | linker.option_library = '-l%s'
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29 | linker.option_library_path = '-L%s'
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30 | linker.link_options = '%{flags} -o "%{outfile}" %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}'
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31 | end
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32 |
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33 | [[conf.cc, 'c'], [conf.cxx, 'c++']].each do |cc, lang|
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34 | cc.instance_variable_set :@header_search_language, lang
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35 | def cc.header_search_paths
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36 | if @header_search_command != command
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37 | result = `echo | #{build.filename command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1`
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38 | result = `echo | #{command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1` if $?.exitstatus != 0
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39 | return include_paths if $?.exitstatus != 0
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40 |
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41 | @frameworks = []
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42 | @header_search_paths = result.lines.map { |v|
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43 | framework = v.match(/^ (.*)(?: \(framework directory\))$/)
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44 | if framework
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45 | @frameworks << framework[1]
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46 | next nil
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47 | end
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48 |
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49 | v.match(/^ (.*)$/)
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50 | }.compact.map { |v| v[1] }.select { |v| File.directory? v }
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51 | @header_search_paths += include_paths
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52 | @header_search_command = command
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53 | end
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54 | @header_search_paths
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55 | end
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56 | end
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57 |
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58 | def conf.enable_sanitizer(*opts)
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59 | fail 'sanitizer already set' if @sanitizer_list
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60 |
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61 | @sanitizer_list = opts
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62 | flg = "-fsanitize=#{opts.join ','}"
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63 | [self.cc, self.cxx, self.linker].each{|cmd| cmd.flags << flg }
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64 | end
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65 | end
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