first commit

nghttp2/third-party/mruby/tasks/toolchains/android.rake

@@ -0,0 +1,367 @@
+class MRuby::Toolchain::Android
+
+  DEFAULT_ARCH = 'armeabi' # TODO : Revise if arch should have a default
+
+  DEFAULT_TOOLCHAIN = :clang
+
+  DEFAULT_NDK_HOMES = %w{
+    /usr/local/opt/android-sdk/ndk-bundle
+    /usr/local/opt/android-ndk
+    ~/Android/Sdk/ndk-bundle
+    %LOCALAPPDATA%/Android/android-sdk/ndk-bundle
+    %LOCALAPPDATA%/Android/android-ndk
+    %LOCALAPPDATA%/Android/Sdk/ndk/*
+    ~/Library/Android/sdk/ndk-bundle
+    ~/Library/Android/ndk
+  }
+
+  TOOLCHAINS = [:clang, :gcc]
+
+  ARCHITECTURES = %w{
+    armeabi armeabi-v7a arm64-v8a
+    x86 x86_64
+    mips mips64
+  }
+
+  class AndroidNDKHomeNotFound < StandardError
+    def message
+        <<-EOM
+Couldn't find Android NDK Home.
+Set ANDROID_NDK_HOME environment variable or set :ndk_home parameter
+        EOM
+    end
+  end
+
+  class PlatformDirNotFound < StandardError
+    def message
+        <<-EOM
+Couldn't find Android NDK platform directories.
+Set ANDROID_PLATFORM environment variable or set :platform parameter
+        EOM
+    end
+  end
+
+  class SysrootNotReady < StandardError
+    def message
+      <<-EOM
+Couldn't find standard header files
+Please Move/Copy important file inside
+  <NDK_HOME>/sysroot/usr/include/
+to
+  <NDK_HOME>/platforms/<ANDROID_VERSION>/<ARCH>/usr/include/
+Higher NDK version will be use.
+      EOM
+    end
+  end
+
+  attr_reader :params
+
+  def initialize(params)
+    @params = params
+  end
+
+  def bin_gcc(command)
+    command = command.to_s
+
+    command = case arch
+      when /armeabi/    then 'arm-linux-androideabi-'
+      when /arm64-v8a/  then 'aarch64-linux-android-'
+      when /x86_64/     then 'x86_64-linux-android-'
+      when /x86/        then 'i686-linux-android-'
+      when /mips64/     then 'mips64el-linux-android-'
+      when /mips/       then 'mipsel-linux-android-'
+      end + command
+
+    gcc_toolchain_path.join('bin', command).to_s
+  end
+
+  def bin(command)
+    command = command.to_s
+    toolchain_path.join('bin', command).to_s
+  end
+
+  def home_path
+    @home_path ||= Pathname.new(
+      params[:ndk_home] ||
+      ENV['ANDROID_NDK_HOME'] ||
+      DEFAULT_NDK_HOMES.find { |path|
+        path.gsub! '%LOCALAPPDATA%', ENV['LOCALAPPDATA'] || '%LOCALAPPDATA%'
+        path.gsub! '\\', '/'
+        path.gsub! '~', Dir.home || '~'
+        path.gsub!('*') do
+          next nil unless path[-1] == "*"
+          dirs = Dir.glob(path).collect do |d|
+            m = d.match(/(\d+)\.(\d+)\.(\d+)$/)
+            m ? [m[1], m[2], m[3]].collect { |v| v.to_i } : nil
+          end
+          dirs.compact!
+          dirs.sort! do |before, after|
+            f = 0
+            if (f = (after.first <=> before.first)) != 0
+              next f
+            elsif (f = (after[1] <=> before[1])) != 0
+              next f
+            else
+              next after.last <=> before.last
+            end
+          end
+          dirs.empty? ? nil.to_s : dirs.first.join(".")
+        end
+        File.directory?(path)
+      } || raise(AndroidNDKHomeNotFound)
+    )
+  end
+
+  def toolchain
+    @toolchain ||= params.fetch(:toolchain){ DEFAULT_TOOLCHAIN }
+  end
+
+  def toolchain_path
+    @toolchain_path ||= case toolchain
+      when :gcc
+        gcc_toolchain_path
+      when :clang
+        home_path.join('toolchains', 'llvm' , 'prebuilt', host_platform)
+      end
+  end
+
+  def gcc_toolchain_path
+    if @gcc_toolchain_path === nil then
+      prefix = case arch
+        when /armeabi/    then 'arm-linux-androideabi-'
+        when /arm64-v8a/  then 'aarch64-linux-android-'
+        when /x86_64/     then 'x86_64-'
+        when /x86/        then 'x86-'
+        when /mips64/     then 'mips64el-linux-android-'
+        when /mips/       then 'mipsel-linux-android-'
+        end
+
+      test = case arch
+        when /armeabi/    then 'arm-linux-androideabi-*'
+        when /arm64-v8a/  then 'aarch64-linux-android-*'
+        when /x86_64/     then 'x86_64-*'
+        when /x86/        then 'x86-*'
+        when /mips64/     then 'mips64el-linux-android-*'
+        when /mips/       then 'mipsel-linux-android-*'
+        end
+
+      gcc_toolchain_version = Dir[home_path.join('toolchains', test)].map{|t| t.match(/-(\d+\.\d+)$/); $1.to_f }.max
+      @gcc_toolchain_path = home_path.join('toolchains', prefix + gcc_toolchain_version.to_s, 'prebuilt', host_platform)
+    end
+    @gcc_toolchain_path
+  end
+
+  def host_platform
+    @host_platform ||= case RUBY_PLATFORM
+      when /cygwin|mswin|mingw|bccwin|wince|emx/i
+        path = home_path.join('toolchains', 'llvm' , 'prebuilt', 'windows*')
+        Dir.glob(path.to_s){ |item|
+          next if File.file?(item)
+          path = Pathname.new(item)
+          break
+        }
+        path.basename
+      when /x86_64-darwin/i
+        'darwin-x86_64'
+      when /darwin/i
+        'darwin-x86'
+      when /x86_64-linux/i
+        'linux-x86_64'
+      when /linux/i
+        'linux-x86'
+      else
+        raise NotImplementedError, "Unknown host platform (#{RUBY_PLATFORM})"
+      end
+  end
+
+  def arch
+    @arch ||= (params[:arch] || ENV['ANDROID_ARCH'] || DEFAULT_ARCH).to_s
+  end
+
+  def sysroot
+    return @sysroot if @sysroot
+    sysroot_path = home_path.join('platforms', platform,
+        case arch
+        when /armeabi/    then 'arch-arm'
+        when /arm64-v8a/  then 'arch-arm64'
+        when /x86_64/     then 'arch-x86_64'
+        when /x86/        then 'arch-x86'
+        when /mips64/     then 'arch-mips64'
+        when /mips/       then 'arch-mips'
+        end
+      ).to_s
+    if Dir.exist?(File.join(sysroot_path, "usr", "include"))
+      return @sysroot = sysroot_path
+    else
+      raise(SysrootNotReady)
+    end
+  end
+
+  def platform
+    if @platform === nil then
+      @platform = params[:platform] || ENV['ANDROID_PLATFORM'] || nil
+      if @platform === nil
+        Dir.glob(home_path.join('platforms/android-*').to_s){ |item|
+          next if File.file?(item)
+          if @platform === nil
+            @platform = Integer(item.rpartition('-')[2])
+          else
+            platform = Integer(item.rpartition('-')[2])
+            @platform = platform > @platform ? platform : @platform
+          end
+        }
+        if @platform === nil
+          raise(PlatformDirNotFound)
+        else
+          @platform = "android-#{@platform}"
+        end
+      end
+    end
+    if Integer(@platform.rpartition('-')[2]) < 21
+      case arch
+      when /arm64-v8a/, /x86_64/, /mips64/
+        raise NotImplementedError, "Platform (#{@platform}) has no implementation for architecture (#{arch})"
+      end
+    end
+    @platform
+  end
+
+  def armeabi_v7a_mfpu
+    @armeabi_v7a_mfpu ||= (params[:mfpu] || 'vfpv3-d16').to_s
+  end
+
+  def armeabi_v7a_mfloat_abi
+    @armeabi_v7a_mfloat_abi ||= (params[:mfloat_abi] || 'softfp').to_s
+  end
+
+  def no_warn_mismatch
+    if %W(soft softfp).include? armeabi_v7a_mfloat_abi
+      ''
+    else
+      ',--no-warn-mismatch'
+    end
+  end
+
+  def cc
+    case toolchain
+    when :gcc then bin_gcc('gcc')
+    when :clang then bin('clang')
+    end
+  end
+
+  def ar
+    case toolchain
+    when :gcc   then bin_gcc('ar')
+    when :clang then bin_gcc('ar')
+    end
+  end
+
+  def ctarget
+    flags = []
+
+    case toolchain
+    when :gcc
+      case arch
+      when /armeabi-v7a/  then flags += %W(-march=armv7-a)
+      when /armeabi/      then flags += %W(-march=armv5te)
+      when /arm64-v8a/    then flags += %W(-march=armv8-a)
+      when /x86_64/       then flags += %W(-march=x86-64)
+      when /x86/          then flags += %W(-march=i686)
+      when /mips64/       then flags += %W(-march=mips64r6)
+      when /mips/         then flags += %W(-march=mips32)
+      end
+    when :clang
+      case arch
+      when /armeabi-v7a/  then flags += %W(-target armv7-none-linux-androideabi)
+      when /armeabi/      then flags += %W(-target armv5te-none-linux-androideabi)
+      when /arm64-v8a/    then flags += %W(-target aarch64-none-linux-android)
+      when /x86_64/       then flags += %W(-target x86_64-none-linux-android)
+      when /x86/          then flags += %W(-target i686-none-linux-android)
+      when /mips64/       then flags += %W(-target mips64el-none-linux-android)
+      when /mips/         then flags += %W(-target mipsel-none-linux-android)
+      end
+    end
+
+    case arch
+    when /armeabi-v7a/  then flags += %W(-mfpu=#{armeabi_v7a_mfpu} -mfloat-abi=#{armeabi_v7a_mfloat_abi})
+    when /armeabi/      then flags += %W(-mtune=xscale -msoft-float)
+    when /arm64-v8a/    then flags += %W()
+    when /x86_64/       then flags += %W()
+    when /x86/          then flags += %W()
+    when /mips64/       then flags += %W(-fmessage-length=0)
+    when /mips/         then flags += %W(-fmessage-length=0)
+    end
+
+    flags
+  end
+
+  def cflags
+    flags = []
+
+    case RUBY_PLATFORM
+    when /mswin|mingw|win32/
+      # Build for Android dont need window flag
+      flags += %W(-U_WIN32 -U_WIN64)
+    end
+
+    flags += %W(-MMD -MP -D__android__ -DANDROID --sysroot="#{sysroot}")
+    flags += ctarget
+    case toolchain
+    when :gcc
+    when :clang
+      flags += %W(-gcc-toolchain "#{gcc_toolchain_path}" -Wno-invalid-command-line-argument -Wno-unused-command-line-argument)
+    end
+    flags += %W(-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes)
+
+    flags
+  end
+
+  def ldflags
+    flags = []
+
+    flags += %W(--sysroot="#{sysroot}")
+
+    flags
+  end
+
+  def ldflags_before_libraries
+    flags = []
+
+    case toolchain
+    when :gcc
+      case arch
+      when /armeabi-v7a/  then flags += %W(-Wl#{no_warn_mismatch})
+      end
+    when :clang
+      flags += %W(-gcc-toolchain "#{gcc_toolchain_path.to_s}")
+      case arch
+      when /armeabi-v7a/  then flags += %W(-target armv7-none-linux-androideabi -Wl,--fix-cortex-a8#{no_warn_mismatch})
+      when /armeabi/      then flags += %W(-target armv5te-none-linux-androideabi)
+      when /arm64-v8a/    then flags += %W(-target aarch64-none-linux-android)
+      when /x86_64/       then flags += %W(-target x86_64-none-linux-android)
+      when /x86/          then flags += %W(-target i686-none-linux-android)
+      when /mips64/       then flags += %W(-target mips64el-none-linux-android)
+      when /mips/         then flags += %W(-target mipsel-none-linux-android)
+      end
+    end
+    flags += %W(-no-canonical-prefixes)
+
+    flags
+  end
+end
+
+MRuby::Toolchain.new(:android) do |conf, params|
+  android = MRuby::Toolchain::Android.new(params)
+
+  toolchain android.toolchain
+
+  [conf.cc, conf.cxx, conf.objc, conf.asm].each do |cc|
+    cc.command = android.cc
+    cc.flags = android.cflags
+  end
+
+  conf.archiver.command = android.ar
+  conf.linker.command = android.cc
+  conf.linker.flags = android.ldflags
+  conf.linker.flags_before_libraries = android.ldflags_before_libraries
+end

nghttp2/third-party/mruby/tasks/toolchains/clang.rake

@@ -0,0 +1,8 @@
+MRuby::Toolchain.new(:clang) do |conf, _params|
+  toolchain :gcc, default_command: 'clang'
+
+  [conf.cc, conf.objc, conf.asm].each do |cc|
+    cc.flags << '-Wzero-length-array' unless ENV['CFLAGS']
+  end
+  conf.cxx.flags << '-Wzero-length-array' unless ENV['CXXFLAGS'] || ENV['CFLAGS']
+end

nghttp2/third-party/mruby/tasks/toolchains/gcc.rake

@@ -0,0 +1,65 @@
+MRuby::Toolchain.new(:gcc) do |conf, params|
+  default_command = params[:default_command] || 'gcc'
+  compiler_flags = %w(-g -O3 -Wall -Wundef)
+  c_mandatory_flags = %w(-std=gnu99)
+  cxx_invalid_flags = %w(-Wdeclaration-after-statement -Werror-implicit-function-declaration)
+
+  [conf.cc, conf.objc, conf.asm, conf.cxx].each do |compiler|
+    if compiler == conf.cxx
+      compiler.command = ENV['CXX'] || default_command.sub(/cc|$/, '++')
+      compiler.flags = [ENV['CXXFLAGS'] || ENV['CFLAGS'] || compiler_flags]
+    else
+      compiler.command = ENV['CC'] || default_command
+      compiler.flags = [c_mandatory_flags, ENV['CFLAGS'] || [compiler_flags, cxx_invalid_flags, %w(-Wwrite-strings)]]
+    end
+    compiler.option_include_path = %q[-I"%s"]
+    compiler.option_define = '-D%s'
+    compiler.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"]
+    compiler.cxx_compile_flag = '-x c++ -std=gnu++03'
+    compiler.cxx_exception_flag = '-fexceptions'
+    compiler.cxx_invalid_flags = c_mandatory_flags + cxx_invalid_flags
+  end
+
+  conf.linker do |linker|
+    linker.command = ENV['LD'] || ENV['CXX'] || ENV['CC'] || default_command
+    linker.flags = [ENV['LDFLAGS'] || %w()]
+    linker.libraries = %w(m)
+    linker.library_paths = []
+    linker.option_library = '-l%s'
+    linker.option_library_path = '-L%s'
+    linker.link_options = '%{flags} -o "%{outfile}" %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}'
+  end
+
+  [[conf.cc, 'c'], [conf.cxx, 'c++']].each do |cc, lang|
+    cc.instance_variable_set :@header_search_language, lang
+    def cc.header_search_paths
+      if @header_search_command != command
+        result = `echo | #{build.filename command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1`
+        result = `echo | #{command} -x#{@header_search_language} -Wp,-v - -fsyntax-only 2>&1` if $?.exitstatus != 0
+        return include_paths if  $?.exitstatus != 0
+
+        @frameworks = []
+        @header_search_paths = result.lines.map { |v|
+          framework = v.match(/^ (.*)(?: \(framework directory\))$/)
+          if framework
+            @frameworks << framework[1]
+            next nil
+          end
+
+          v.match(/^ (.*)$/)
+        }.compact.map { |v| v[1] }.select { |v| File.directory? v }
+        @header_search_paths += include_paths
+        @header_search_command = command
+      end
+      @header_search_paths
+    end
+  end
+
+  def conf.enable_sanitizer(*opts)
+    fail 'sanitizer already set' if @sanitizer_list
+
+    @sanitizer_list = opts
+    flg = "-fsanitize=#{opts.join ','}"
+    [self.cc, self.cxx, self.linker].each{|cmd| cmd.flags << flg }
+  end
+end

nghttp2/third-party/mruby/tasks/toolchains/openwrt.rake

@@ -0,0 +1,36 @@
+# usage of environmental variables to set the
+# cross compiling toolchain proper
+MRuby::Toolchain.new(:openwrt) do |conf|
+  [conf.cc, conf.objc, conf.asm].each do |cc|
+    cc.command = ENV['TARGET_CC']
+    cc.flags = ENV['TARGET_CFLAGS']
+    cc.include_paths = ["#{MRUBY_ROOT}/include"]
+    cc.option_include_path = %q[-I"%s"]
+    cc.option_define = '-D%s'
+    cc.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"]
+  end
+
+  [conf.cxx].each do |cxx|
+    cxx.command = ENV['TARGET_CXX']
+    cxx.flags = ENV['TARGET_CXXFLAGS']
+    cxx.include_paths = ["#{MRUBY_ROOT}/include"]
+    cxx.option_include_path = %q[-I"%s"]
+    cxx.option_define = '-D%s'
+    cxx.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"]
+   end
+
+  conf.linker do |linker|
+    linker.command = ENV['TARGET_CC']
+    linker.flags = ENV['TARGET_LDFLAGS']
+    linker.libraries = %w(m)
+    linker.library_paths = []
+    linker.option_library = '-l%s'
+    linker.option_library_path = '-L%s'
+    linker.link_options = '%{flags} -o "%{outfile}" %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}'
+  end
+
+  conf.archiver do |archiver|
+    archiver.command = ENV['TARGET_AR']
+    archiver.archive_options = 'rs "%{outfile}" %{objs}'
+  end
+end

nghttp2/third-party/mruby/tasks/toolchains/visualcpp.rake

@@ -0,0 +1,57 @@
+MRuby::Toolchain.new(:visualcpp) do |conf, _params|
+  conf.cc do |cc|
+    cc.command = ENV['CC'] || 'cl.exe'
+    # C4013: implicit function declaration
+    cc.flags = [ENV['CFLAGS'] || %w(/c /nologo /W3 /we4013 /Zi /MD /O2 /D_CRT_SECURE_NO_WARNINGS)]
+    cc.defines = %w(MRB_STACK_EXTEND_DOUBLING)
+    cc.option_include_path = %q[/I"%s"]
+    cc.option_define = '/D%s'
+    cc.compile_options = %Q[%{flags} /Fo"%{outfile}" "%{infile}"]
+    cc.cxx_compile_flag = '/TP'
+    cc.cxx_exception_flag = '/EHs'
+  end
+
+  conf.cxx do |cxx|
+    cxx.command = ENV['CXX'] || 'cl.exe'
+    cxx.flags = [ENV['CXXFLAGS'] || ENV['CFLAGS'] || %w(/c /nologo /W3 /Zi /MD /O2 /EHs /D_CRT_SECURE_NO_WARNINGS)]
+    cxx.defines = %w(MRB_STACK_EXTEND_DOUBLING)
+    cxx.option_include_path = %q[/I"%s"]
+    cxx.option_define = '/D%s'
+    cxx.compile_options = %Q[%{flags} /Fo"%{outfile}" "%{infile}"]
+    cxx.cxx_compile_flag = '/TP'
+    cxx.cxx_exception_flag = '/EHs'
+  end
+
+  conf.linker do |linker|
+    linker.command = ENV['LD'] || 'link.exe'
+    linker.flags = [ENV['LDFLAGS'] || %w(/NOLOGO /DEBUG /INCREMENTAL:NO /OPT:ICF /OPT:REF)]
+    linker.libraries = %w()
+    linker.library_paths = %w()
+    linker.option_library = '%s.lib'
+    linker.option_library_path = '/LIBPATH:%s'
+    linker.link_options = %Q[%{flags} /OUT:"%{outfile}" %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}]
+  end
+
+  conf.archiver do |archiver|
+    archiver.command = ENV['AR'] || 'lib.exe'
+    archiver.archive_options = '/nologo /OUT:"%{outfile}" %{objs}'
+  end
+
+  conf.yacc do |yacc|
+    yacc.command = ENV['YACC'] || 'bison.exe'
+    yacc.compile_options = %q[-o "%{outfile}" "%{infile}"]
+  end
+
+  conf.gperf do |gperf|
+    gperf.command = 'gperf.exe'
+    gperf.compile_options = %q[-L ANSI-C -C -p -j1 -i 1 -g -o -t -N mrb_reserved_word -k"1,3,$" "%{infile}" > "%{outfile}"]
+  end
+
+  conf.exts do |exts|
+    exts.object = '.obj'
+    exts.executable = '.exe'
+    exts.library = '.lib'
+  end
+
+  conf.file_separator = '\\'
+end