delete tasks/toolchains/androideabi.rake; ref #2983 #2988

use androidndk.rake which is better and 64bit aware

tasks/toolchains/androideabi.rake

-# Download and unarchive latest Android NDK from https://developer.android.com/tools/sdk/ndk/index.html
-# Make custom standalone toolchain as described here (android_ndk/docs/STANDALONE-TOOLCHAIN.html)
-# Please export custom standalone toolchain path
-#   export ANDROID_STANDALONE_TOOLCHAIN=/tmp/android-14-toolchain
-
-# Add to your build_config.rb
-# MRuby::CrossBuild.new('androideabi') do |conf|
-#   toolchain :androideabi
-# end
-
-MRuby::Toolchain.new(:androideabi) do |conf|
-  toolchain :gcc
-
-  DEFAULT_ANDROID_TOOLCHAIN   = 'gcc'
-  DEFAULT_ANDROID_TARGET_ARCH = 'arm'
-  DEFAULT_ANDROID_TARGET_ARCH_ABI = 'armeabi'
-  DEFAULT_ANDROID_TARGET_PLATFORM = 'android-14'
-  DEFAULT_GCC_VERSION   = '4.6'
-  DEFAULT_CLANG_VERSION = '3.1'
-  GCC_COMMON_CFLAGS  = %W(-ffunction-sections -funwind-tables -fstack-protector)
-  GCC_COMMON_LDFLAGS = %W()
-
-  # 'ANDROID_STANDALONE_TOOLCHAIN' or 'ANDROID_NDK_HOME' must be set.
-  ANDROID_STANDALONE_TOOLCHAIN = ENV['ANDROID_STANDALONE_TOOLCHAIN']
-  ANDROID_NDK_HOME = ENV['ANDROID_NDK_HOME']
-
-  ANDROID_TARGET_ARCH = ENV['ANDROID_TARGET_ARCH'] || DEFAULT_ANDROID_TARGET_ARCH
-  ANDROID_TARGET_ARCH_ABI = ENV['ANDROID_TARGET_ARCH_ABI'] || DEFAULT_ANDROID_TARGET_ARCH_ABI
-  ANDROID_TOOLCHAIN = ENV['ANDROID_TOOLCHAIN'] || DEFAULT_ANDROID_TOOLCHAIN
-  GCC_VERSION = ENV['GCC_VERSION'] || DEFAULT_GCC_VERSION
-  CLANG_VERSION = ENV['CLANG_VERSION'] || DEFAULT_CLANG_VERSION
-
-  case ANDROID_TARGET_ARCH.downcase
-  when 'arch-arm',  'arm'  then
-    toolchain_prefix = 'arm-linux-androideabi-'
-  when 'arch-x86',  'x86'  then
-    toolchain_prefix = 'i686-linux-android-'
-  when 'arch-mips', 'mips' then
-    toolchain_prefix = 'mipsel-linux-android-'
-  else
-    # Any other architectures are not supported by Android NDK.
-    # Notify error.
-  end
-
-  if ANDROID_STANDALONE_TOOLCHAIN == nil then
-    case RUBY_PLATFORM
-    when /cygwin|mswin|mingw|bccwin|wince|emx/i
-      HOST_PLATFORM = 'windows'
-    when /x86_64-darwin/i
-      HOST_PLATFORM = 'darwin-x86_64'
-    when /darwin/i
-      HOST_PLATFORM = 'darwin-x86'
-    when /x86_64-linux/i
-      HOST_PLATFORM = 'linux-x86_64'
-    when /linux/i
-      HOST_PLATFORM = 'linux-x86'
-    else
-      # Unknown host platform
-    end
-
-    ANDROID_TARGET_PLATFORM = ENV['ANDROID_TARGET_PLATFORM'] || DEFAULT_ANDROID_TARGET_PLATFORM
-
-    path_to_toolchain = ANDROID_NDK_HOME + '/toolchains/'
-    path_to_sysroot   = ANDROID_NDK_HOME + '/platforms/' + ANDROID_TARGET_PLATFORM
-    if ANDROID_TOOLCHAIN.downcase == 'gcc' then
-      case ANDROID_TARGET_ARCH.downcase
-      when 'arch-arm',  'arm'  then
-        path_to_toolchain += 'arm-linux-androideabi-'
-        path_to_sysroot   += '/arch-arm'
-      when 'arch-x86',  'x86'  then
-        path_to_toolchain += 'x86-'
-        path_to_sysroot   += '/arch-x86'
-      when 'arch-mips', 'mips' then
-        path_to_toolchain += 'mipsel-linux-android-'
-        path_to_sysroot   += '/arch-mips'
-      else
-        # Any other architecture are not supported by Android NDK.
-      end
-      path_to_toolchain += GCC_VERSION + '/prebuilt/' + HOST_PLATFORM
-    else
-      path_to_toolchain += 'llvm-' + CLANG_VERSION + '/prebuilt/' + HOST_PLATFORM
-    end
-  else
-    path_to_toolchain = ANDROID_STANDALONE_TOOLCHAIN
-    path_to_sysroot   = ANDROID_STANDALONE_TOOLCHAIN + '/sysroot'
-  end
-
-  SYSROOT = path_to_sysroot
-
-  case ANDROID_TARGET_ARCH.downcase
-  when 'arch-arm',  'arm'  then
-    if ANDROID_TARGET_ARCH_ABI.downcase == 'armeabi-v7a' then
-      ARCH_CFLAGS  = %W(-march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16)
-      ARCH_LDFLAGS = %W(-march=armv7-a -Wl,--fix-cortex-a8)
-    else
-      ARCH_CFLAGS  = %W(-march=armv5te -mtune=xscale -msoft-float)
-      ARCH_LDFLAGS = %W()
-    end
-  when 'arch-x86',  'x86'  then
-    ARCH_CFLAGS  = %W()
-    ARCH_LDFLAGS = %W()
-  when 'arch-mips', 'mips' then
-    ARCH_CFLAGS  = %W(-fpic -fno-strict-aliasing -finline-functions -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers)
-    ARCH_LDFLAGS = %W()
-  else
-    # Notify error
-  end
-
-  case ANDROID_TOOLCHAIN.downcase
-  when 'gcc' then
-    ANDROID_CC = path_to_toolchain + '/bin/' + toolchain_prefix + 'gcc'
-    ANDROID_LD = path_to_toolchain + '/bin/' + toolchain_prefix + 'gcc'
-    ANDROID_AR = path_to_toolchain + '/bin/' + toolchain_prefix + 'ar'
-    ANDROID_CFLAGS  = GCC_COMMON_CFLAGS  + %W(-D__android__ -mandroid --sysroot="#{SYSROOT}") + ARCH_CFLAGS
-    ANDROID_LDFLAGS = GCC_COMMON_LDFLAGS + %W(-D__android__ -mandroid --sysroot="#{SYSROOT}") + ARCH_LDFLAGS
-  when 'clang' then
-    # clang is not supported yet.
-  when 'clang31', 'clang3.1' then
-    # clang is not supported yet.
-  else
-    # Any other toolchains are not supported by Android NDK.
-	# Notify error.
-  end
-
-  [conf.cc, conf.cxx, conf.objc, conf.asm].each do |cc|
-    cc.command = ENV['CC'] || ANDROID_CC
-    cc.flags = [ENV['CFLAGS'] || ANDROID_CFLAGS]
-  end
-  conf.linker.command = ENV['LD'] || ANDROID_LD
-  conf.linker.flags = [ENV['LDFLAGS'] || ANDROID_LDFLAGS]
-  conf.archiver.command = ENV['AR'] || ANDROID_AR
-end