21 files changed, 0 insertions, 818 deletions
diff --git a/target/ArduinoDue.rb b/target/ArduinoDue.rb
deleted file mode 100644
index 5859f8508..000000000
--- a/target/ArduinoDue.rb
+++ /dev/null
@@ -1,74 +0,0 @@
-# Cross Compiling configuration for Arduino Due
-# http://arduino.cc/en/Main/ArduinoBoardDue
-#
-# Requires Arduino IDE >= 1.5
-MRuby::CrossBuild.new("ArduinoDue") do |conf|
-  toolchain :gcc
-
-  # Mac OS X, Arduino IDE <= 1.5.6
-  # ARDUINO_PATH = '/Applications/Arduino.app/Contents/Resources/Java'
-  # Mac OS X, Arduino IDE >= 1.5.7
-  # ARDUINO_PATH = '/Applications/Arduino.app/Contents/Java'
-  # GNU Linux
-  ARDUINO_PATH = '/opt/arduino'
-   # Arduino IDE <= 1.5.6
-  BIN_PATH = "#{ARDUINO_PATH}/hardware/tools/g++_arm_none_eabi/bin"
-  # Arduino IDE >= 1.5.7
-  # BIN_PATH = "#{ARDUINO_PATH}/hardware/tools/gcc-arm-none-eabi-4.8.3-2014q1/bin"
-  SAM_PATH = "#{ARDUINO_PATH}/hardware/arduino/sam"
-  TARGET_PATH = "#{SAM_PATH}/variants/arduino_due_x"
-
-  conf.cc do |cc|
-    cc.command = "#{BIN_PATH}/arm-none-eabi-gcc"
-    cc.include_paths << ["#{SAM_PATH}/system/libsam", "#{SAM_PATH}/system/CMSIS/CMSIS/Include/",
-                        "#{SAM_PATH}/system/CMSIS/Device/ATMEL/",
-                        "#{SAM_PATH}/cores/arduino", "#{SAM_PATH}/libraries","#{TARGET_PATH}"]
-    cc.flags = %w(-g -Os -w -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500
-                -Dprintf=iprintf -mcpu=cortex-m3 -DF_CPU=84000000L -DARDUINO=156 -DARDUINO_SAM_DUE -DARDUINO_ARCH_SAM
-                -D__SAM3X8E__ -mthumb -DUSB_PID=0x003e -DUSB_VID=0x2341 -DUSBCON -DUSB_MANUFACTURER="Unknown" -DUSB_PRODUCT="Arduino Due")
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-
-    #configuration for low memory environment
-    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
-    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
-    cc.defines << %w(MRB_STR_BUF_MIN_SIZE=20)
-    cc.defines << %w(MRB_GC_STRESS)
-    #cc.defines << %w(MRB_DISABLE_STDIO) #if you dont need stdio.
-    #cc.defines << %w(POOL_PAGE_SIZE=1000) #effective only for use with mruby-eval
-  end
-
-  conf.cxx do |cxx|
-    cxx.command = conf.cc.command.dup
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.flags = conf.cc.flags.dup
-    cxx.flags << %w(-fno-rtti -fno-exceptions)
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = "#{BIN_PATH}/arm-none-eabi-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  #no executables
-  conf.bins = []
-
-  #do not build executable test
-  conf.build_mrbtest_lib_only
-
-  #disable C++ exception
-  conf.disable_cxx_exception
-
-  #gems from core
-  conf.gem :core => "mruby-print"
-  conf.gem :core => "mruby-math"
-  conf.gem :core => "mruby-enum-ext"
-
-  #light-weight regular expression
-  conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
-
-  #Arduino API
-  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"
-
-end
diff --git a/target/IntelEdison.rb b/target/IntelEdison.rb
deleted file mode 100644
index a22f9cfd2..000000000
--- a/target/IntelEdison.rb
+++ /dev/null
@@ -1,69 +0,0 @@
-# Cross-compiling setup for Intel Edison (poky linux) platform
-# Get SDK from here: https://software.intel.com/en-us/iot/hardware/edison/downloads
-# REMEMBER to check and update the SDK root in the constant POKY_EDISON_PATH
-
-MRuby::Build.new do |conf|
-  toolchain :gcc
-  conf.gembox 'default'
-  conf.cc.defines = %w(ENABLE_READLINE)
-  conf.gembox 'default'
-
-  #lightweight regular expression
-  conf.gem :github => "pbosetti/mruby-hs-regexp", :branch => "master"
-
-end
-
-# Define cross build settings
-MRuby::CrossBuild.new('core2-32-poky-linux') do |conf|
-  toolchain :gcc
-
-  # Mac OS X
-  #
-  POKY_EDISON_PATH = '/opt/poky-edison/1.7.2'
-
-  POKY_EDISON_SYSROOT =  "#{POKY_EDISON_PATH}/sysroots/core2-32-poky-linux"
-  POKY_EDISON_X86_PATH = "#{POKY_EDISON_PATH}/sysroots/i386-pokysdk-darwin"
-  POKY_EDISON_BIN_PATH = "#{POKY_EDISON_X86_PATH}/usr/bin/i586-poky-linux"
-
-
-  conf.cc do |cc|
-    cc.command = "#{POKY_EDISON_BIN_PATH}/i586-poky-linux-gcc"
-    cc.include_paths << ["#{POKY_EDISON_SYSROOT}/usr/include", "#{POKY_EDISON_X86_PATH}/usr/include"]
-    cc.flags = %w(-m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -mstackrealign -fno-omit-frame-pointer)
-    cc.flags << %w(-O2 -pipe -g -feliminate-unused-debug-types)
-    cc.flags << "--sysroot=#{POKY_EDISON_SYSROOT}"
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-    cc.defines = %w(ENABLE_READLINE)
-  end
-
-  conf.cxx do |cxx|
-    cxx.command = "#{POKY_EDISON_BIN_PATH}/i586-poky-linux-g++"
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.include_paths << ["#{POKY_EDISON_SYSROOT}/usr/include/c++/4.9.1"]
-    cxx.flags = conf.cc.flags.dup
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = "#{POKY_EDISON_BIN_PATH}/i586-poky-linux-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  conf.linker do |linker|
-    linker.command = "#{POKY_EDISON_BIN_PATH}/i586-poky-linux-g++"
-    linker.flags = %w(-m32 -march=i586)
-    linker.flags << "--sysroot=#{POKY_EDISON_SYSROOT}"
-    linker.flags << %w(-O1)
-    linker.libraries = %w(m pthread)
-  end
-
-  #do not build executable test
-  conf.build_mrbtest_lib_only
-
-  conf.gembox 'default'
-
-  #lightweight regular expression
-  conf.gem :github => "pbosetti/mruby-hs-regexp", :branch => "master"
-
-end
diff --git a/target/IntelGalileo.rb b/target/IntelGalileo.rb
deleted file mode 100644
index e996efa5b..000000000
--- a/target/IntelGalileo.rb
+++ /dev/null
@@ -1,89 +0,0 @@
-# Cross Compiling configuration for Intel Galileo on Arduino environment
-# http://arduino.cc/en/ArduinoCertified/IntelGalileo
-#
-# Requires Arduino IDE for Intel Galileo
-MRuby::CrossBuild.new("Galileo") do |conf|
-  toolchain :gcc
-
-  # Mac OS X
-  # Assume you renamed Arduino.app to Arduino_Galileo.app
-  GALILEO_ARDUINO_PATH = '/Applications/Arduino_Galileo.app/Contents/Resources/Java'
-  # GNU Linux
-  #ARDUINO_GALILEO_PATH = '/opt/arduino'
-
-  GALILEO_BIN_PATH = "#{GALILEO_ARDUINO_PATH}/hardware/tools/x86/i386-pokysdk-darwin/usr/bin/i586-poky-linux-uclibc"
-  GALILEO_SYSROOT =  "#{GALILEO_ARDUINO_PATH}/hardware/tools/x86/i586-poky-linux-uclibc"
-  GALILEO_X86_PATH = "#{GALILEO_ARDUINO_PATH}/hardware/arduino/x86"
-
-
-  conf.cc do |cc|
-    cc.command = "#{GALILEO_BIN_PATH}/i586-poky-linux-uclibc-gcc"
-    cc.include_paths << ["#{GALILEO_X86_PATH}/cores/arduino", "#{GALILEO_X86_PATH}/variants/galileo_fab_d"]
-    cc.flags = %w(-m32 -march=i586 -c -g -Os -w
-              -ffunction-sections -fdata-sections -MMD -DARDUINO=153)
-    cc.flags << "--sysroot=#{GALILEO_SYSROOT}"
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-  end
-
-  conf.cxx do |cxx|
-    cxx.command = "#{GALILEO_BIN_PATH}/i586-poky-linux-uclibc-g++"
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.include_paths << "#{GALILEO_ARDUINO_PATH}/hardware/tools/x86/i586-poky-linux-uclibc/usr/include/c++"
-    cxx.include_paths << "#{GALILEO_ARDUINO_PATH}/hardware/tools/x86/i586-poky-linux-uclibc/usr/include/c++/i586-poky-linux-uclibc"
-    cxx.flags = conf.cc.flags.dup
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = "#{GALILEO_BIN_PATH}/i586-poky-linux-uclibc-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  conf.linker do |linker|
-    linker.command = "#{GALILEO_BIN_PATH}/i586-poky-linux-uclibc-g++"
-    linker.flags = %w(-m32 -march=i586)
-    linker.flags << "--sysroot=#{GALILEO_SYSROOT}"
-    linker.flags << %w(-Os -Wl,--gc-sections)
-    linker.libraries = %w(m pthread)
-  end
-
-  #no executables
-  conf.bins = []
-
-  #do not build executable test
-  conf.build_mrbtest_lib_only
-
-  #official mrbgems
-  conf.gem :core => "mruby-sprintf"
-  conf.gem :core => "mruby-print"
-  conf.gem :core => "mruby-math"
-  conf.gem :core => "mruby-time"
-  conf.gem :core => "mruby-struct"
-  conf.gem :core => "mruby-enum-ext"
-  conf.gem :core => "mruby-string-ext"
-  conf.gem :core => "mruby-numeric-ext"
-  conf.gem :core => "mruby-array-ext"
-  conf.gem :core => "mruby-hash-ext"
-  conf.gem :core => "mruby-range-ext"
-  conf.gem :core => "mruby-proc-ext"
-  conf.gem :core => "mruby-symbol-ext"
-  conf.gem :core => "mruby-random"
-  conf.gem :core => "mruby-object-ext"
-  conf.gem :core => "mruby-objectspace"
-  conf.gem :core => "mruby-fiber"
-  conf.gem :core => "mruby-toplevel-ext"
-
-  #lightweigh regular expression
-  conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
-
-  #Arduino API
-  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master" do |g|
-  #  g.cxx.include_paths << "#{GALILEO_X86_PATH}/libraries/Wire"
-  #  g.cxx.include_paths << "#{GALILEO_X86_PATH}/libraries/Servo"
-
-    #enable unsupported Servo class
-  #  g.cxx.defines << "MRUBY_ARDUINO_GALILEO_ENABLE_SERVO"
-  #end
-
-end
diff --git a/target/RX630.rb b/target/RX630.rb
deleted file mode 100644
index 01c883958..000000000
--- a/target/RX630.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-# Cross Compiling configuration for RX630
-# http://gadget.renesas.com/
-#
-# Requires gnurx_v14.03
-MRuby::CrossBuild.new("RX630") do |conf|
-  toolchain :gcc
-
-  # Linux
-  BIN_PATH = "/usr/share/gnurx_v14.03_elf-1/bin"
-
-  conf.cc do |cc|
-    cc.command = "#{BIN_PATH}/rx-elf-gcc"
-    cc.flags = "-Wall -g -O2 -flto -mcpu=rx600 -m64bit-doubles"
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-
-    #configuration for low memory environment
-    cc.defines << %w(MRB_USE_FLOAT32)
-    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
-    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
-    cc.defines << %w(MRB_STR_BUF_MIN_SIZE=20)
-    cc.defines << %w(MRB_GC_STRESS)
-    cc.defines << %w(MRB_DISABLE_STDIO) #if you dont need stdio.
-    #cc.defines << %w(POOL_PAGE_SIZE=1000) #effective only for use with mruby-eval
-  end
-
-  conf.cxx do |cxx|
-    cxx.command = conf.cc.command.dup
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.flags = conf.cc.flags.dup
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
-
-  conf.linker do |linker|
-    linker.command="#{BIN_PATH}/rx-elf-ld"
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = "#{BIN_PATH}/rx-elf-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  #no executables
-  conf.bins = []
-
-  #do not build executable test
-  conf.build_mrbtest_lib_only
-
-  #disable C++ exception
-  conf.disable_cxx_exception
-
-  #gems from core
-  conf.gem :core => "mruby-sprintf"
-  conf.gem :core => "mruby-print"
-  conf.gem :core => "mruby-math"
-  conf.gem :core => "mruby-enum-ext"
-  conf.gem :core => "mruby-numeric-ext"
-
-  #light-weight regular expression
-  #conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
-
-  #Arduino API
-  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"
-
-end
diff --git a/target/android_arm64-v8a.rb b/target/android_arm64-v8a.rb
deleted file mode 100644
index 7fab2f063..000000000
--- a/target/android_arm64-v8a.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# Requires Android NDK r13 or later.
-MRuby::CrossBuild.new('android-arm64-v8a') do |conf|
-  params = {
-    :arch => 'arm64-v8a',
-    :platform => 'android-24',
-    :toolchain => :clang,
-  }
-  toolchain :android, params
-
-  conf.gembox 'default'
-end
diff --git a/target/android_armeabi.rb b/target/android_armeabi.rb
deleted file mode 100644
index 41a657c3b..000000000
--- a/target/android_armeabi.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# Requires Android NDK r13 or later.
-MRuby::CrossBuild.new('android-armeabi') do |conf|
-  params = {
-    :arch => 'armeabi',
-    :platform => 'android-24',
-    :toolchain => :clang,
-  }
-  toolchain :android, params
-
-  conf.gembox 'default'
-end
diff --git a/target/android_armeabi_v7a_neon_hard.rb b/target/android_armeabi_v7a_neon_hard.rb
deleted file mode 100644
index 6129b238e..000000000
--- a/target/android_armeabi_v7a_neon_hard.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-# Requires Android NDK r13 or later.
-MRuby::CrossBuild.new('android-armeabi-v7a-neon-hard') do |conf|
-  params = {
-    :arch => 'armeabi-v7a',
-    :mfpu => 'neon',
-    :mfloat_abi => 'hard',
-    :platform => 'android-24',
-    :toolchain => :clang,
-  }
-  toolchain :android, params
-
-  conf.gembox 'default'
-end
diff --git a/target/appveyor.rb b/target/appveyor.rb
deleted file mode 100644
index e084a6a36..000000000
--- a/target/appveyor.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-def setup_option(conf)
-  conf.cc.flags[0].delete("/Zi") unless ENV['CFLAGS']
-  conf.cxx.flags[0].delete("/Zi") unless ENV['CFLAGS'] || ENV['CXXFLAGS']
-  conf.linker.flags << "/DEBUG:NONE" unless ENV['LDFLAGS']
-end
-
-MRuby::Build.new do |conf|
-  toolchain :visualcpp
-
-  # include all core GEMs
-  conf.gembox 'full-core'
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_GC_FIXED_ARENA)
-  end
-  setup_option(conf)
-  conf.enable_bintest
-  conf.enable_test
-end
diff --git a/target/bench.rb b/target/bench.rb
deleted file mode 100644
index 30ec56ad3..000000000
--- a/target/bench.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-MRuby::Build.new('bench') do |conf|
-  # Gets set by the VS command prompts.
-  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
-    toolchain :visualcpp
-  else
-    toolchain :gcc
-    conf.cc.flags << '-O3'
-  end
-
-  conf.gembox 'default'
-end
diff --git a/target/boxing.rb b/target/boxing.rb
deleted file mode 100644
index 97c8e8ca9..000000000
--- a/target/boxing.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-MRuby::Build.new('no-boxing') do |conf|
-  toolchain :gcc
-
-  conf.gembox 'default'
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_NO_BOXING)
-  end
-  conf.enable_test
-end
-
-MRuby::Build.new('word_boxing') do |conf|
-  toolchain :gcc
-
-  conf.gembox 'default'
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_WORD_BOXING)
-  end
-  conf.enable_test
-end
-
-MRuby::Build.new('nan_boxing') do |conf|
-  toolchain :gcc
-
-  conf.gembox 'default'
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_NAN_BOXING)
-  end
-  conf.enable_test
-end
diff --git a/target/chipKITMax32.rb b/target/chipKITMax32.rb
deleted file mode 100644
index bbee221f5..000000000
--- a/target/chipKITMax32.rb
+++ /dev/null
@@ -1,70 +0,0 @@
-# Cross Compiling configuration for Digilent chipKIT Max32
-# http://www.digilentinc.com/Products/Detail.cfm?Prod=CHIPKIT-MAX32
-#
-# Requires MPIDE (https://github.com/chipKIT32/chipKIT32-MAX)
-#
-# This configuration is based on @kyab's version
-# http://d.hatena.ne.jp/kyab/20130201
-MRuby::CrossBuild.new("chipKITMax32") do |conf|
-  toolchain :gcc
-
-  # Mac OS X
-  # MPIDE_PATH = '/Applications/Mpide.app/Contents/Resources/Java'
-  # GNU Linux
-  MPIDE_PATH = '/opt/mpide-0023-linux-20120903'
-
-  PIC32_PATH = "#{MPIDE_PATH}/hardware/pic32"
-
-  conf.cc do |cc|
-    cc.command = "#{PIC32_PATH}/compiler/pic32-tools/bin/pic32-gcc"
-    cc.include_paths << ["#{PIC32_PATH}/cores/pic32",
-                        "#{PIC32_PATH}/variants/Max32",
-                        "#{PIC32_PATH}/libraries"]
-    cc.flags = %w(-O2 -mno-smart-io -w -ffunction-sections -fdata-sections -g -mdebugger -Wcast-align
-                -fno-short-double -mprocessor=32MX795F512L -DF_CPU=80000000L -DARDUINO=23 -D_BOARD_MEGA_
-                -DMPIDEVER=0x01000202 -DMPIDE=23)
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-
-    #configuration for low memory environment
-    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
-    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
-    cc.defines << %w(MRB_STR_BUF_MIN_SIZE=20)
-    cc.defines << %w(MRB_GC_STRESS)
-    #cc.defines << %w(MRB_DISABLE_STDIO) #if you dont need stdio.
-    #cc.defines << %w(POOL_PAGE_SIZE=1000) #effective only for use with mruby-eval
-  end
-
-  conf.cxx do |cxx|
-    cxx.command = conf.cc.command.dup
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.flags = conf.cc.flags.dup
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = "#{PIC32_PATH}/compiler/pic32-tools/bin/pic32-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  #no executables
-  conf.bins = []
-
-  #do not build test executable
-  conf.build_mrbtest_lib_only
-
-  #disable C++ exception
-  conf.disable_cxx_exception
-
-  #gems from core
-  conf.gem :core => "mruby-print"
-  conf.gem :core => "mruby-math"
-  conf.gem :core => "mruby-enum-ext"
-
-  #light-weight regular expression
-  conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
-
-  #Arduino API
-  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"
-
-end
diff --git a/target/clang-asan.rb b/target/clang-asan.rb
deleted file mode 100644
index e693332c2..000000000
--- a/target/clang-asan.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-MRuby::Build.new do |conf|
-  toolchain :clang
-  # include the GEM box
-  conf.gembox 'default'
-
-  # C compiler settings
-  conf.cc do |cc|
-    cc.flags << "-fsanitize=address,undefined"
-    cc.include_paths = ["#{root}/include"]
-  end
-
-  # Linker settings
-  conf.linker do |linker|
-    linker.flags << "-fsanitize=address,undefined"
-  end
-
-  # Turn on `enable_debug` for better debugging
-  enable_debug
-  conf.enable_bintest
-  conf.enable_test
-end
diff --git a/target/cross-32bit.rb b/target/cross-32bit.rb
deleted file mode 100644
index 82d5d023f..000000000
--- a/target/cross-32bit.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-# Define cross build settings
-MRuby::CrossBuild.new('cross-32bit') do |conf|
-  toolchain :gcc
-
-  conf.cc.flags << "-m32"
-  conf.linker.flags << "-m32"
-
-  # conf.build_mrbtest_lib_only
-
-  conf.gem :core => "mruby-bin-mruby"
-  conf.gem "#{MRUBY_ROOT}/examples/mrbgems/c_and_ruby_extension_example"
-
-  conf.test_runner.command = 'env'
-end
diff --git a/target/dreamcast_shelf.rb b/target/dreamcast_shelf.rb
deleted file mode 100644
index 3ae53184d..000000000
--- a/target/dreamcast_shelf.rb
+++ /dev/null
@@ -1,94 +0,0 @@
-# Cross Compiling configuration for the Sega Dreamcast
-# This configuration requires KallistiOS (KOS)
-# https://dreamcast.wiki
-#
-# Tested on GNU/Linux, MinGW-w64/MSYS2, Cygwin, macOS and MinGW/MSYS (see below)
-#
-MRuby::CrossBuild.new("dreamcast") do |conf|
-  toolchain :gcc
-
-  # Support for DreamSDK (based on MinGW/MSYS)
-  # To compile mruby with DreamSDK, RubyInstaller for Windows should be installed
-  DREAMSDK_HOME = ENV["DREAMSDK_HOME"]
-  MSYS_ROOT = !(DREAMSDK_HOME.nil? || DREAMSDK_HOME.empty?) ? "#{DREAMSDK_HOME}/msys/1.0" : ""
- 
-  # Setting paths
-  DREAMCAST_PATH = "#{MSYS_ROOT}/opt/toolchains/dc"
-  KOS_PATH = "#{DREAMCAST_PATH}/kos"
-  BIN_PATH = "#{DREAMCAST_PATH}/sh-elf/bin"
-
-  # C compiler
-  # Flags were extracted from KallistiOS environment files
-  conf.cc do |cc|
-    cc.command = "#{BIN_PATH}/sh-elf-gcc"	
-    cc.include_paths << ["#{KOS_PATH}/include", "#{KOS_PATH}/kernel/arch/dreamcast/include", "#{KOS_PATH}/addons/include", "#{KOS_PATH}/../kos-ports/include"]
-    cc.flags << ["-O2", "-fomit-frame-pointer", "-ml", "-m4-single-only", "-ffunction-sections", "-fdata-sections", "-Wall", "-g", "-fno-builtin", "-ml", "-m4-single-only", "-Wl,-Ttext=0x8c010000", "-Wl,--gc-sections", "-T#{KOS_PATH}/utils/ldscripts/shlelf.xc", "-nodefaultlibs"]
-    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
-    cc.defines << %w(_arch_dreamcast)
-    cc.defines << %w(_arch_sub_pristine)
-  end
-
-  # C++ compiler
-  conf.cxx do |cxx|
-    cxx.command = conf.cc.command.dup
-    cxx.include_paths = conf.cc.include_paths.dup
-    cxx.flags = conf.cc.flags.dup
-    cxx.flags << %w(-fno-rtti -fno-exceptions)
-    cxx.defines = conf.cc.defines.dup
-    cxx.compile_options = conf.cc.compile_options.dup
-  end
- 
-  # Linker
-  # There is an issue when making the mruby library with KallistiOS:
-  # 'newlib_kill.o' and 'newlib_getpid.o' aren't found so they are explicitly 
-  # specified here at least for now.
-  conf.linker do |linker|
-    linker.command="#{BIN_PATH}/sh-elf-gcc"
-    linker.flags << ["#{MSYS_ROOT}/opt/toolchains/dc/kos/kernel/build/newlib_kill.o", "#{MSYS_ROOT}/opt/toolchains/dc/kos/kernel/build/newlib_getpid.o", "-Wl,--start-group -lkallisti -lc -lgcc -Wl,--end-group"]
-    linker.library_paths << ["#{KOS_PATH}/lib/dreamcast", "#{KOS_PATH}/addons/lib/dreamcast", "#{KOS_PATH}/../kos-ports/lib"]
-  end  
-
-  # Archiver
-  conf.archiver do |archiver|
-    archiver.command = "#{BIN_PATH}/sh-elf-ar"
-    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
-  end
-
-  # No executables
-  conf.bins = []
-
-  # Do not build executable test
-  conf.build_mrbtest_lib_only
-
-  # Disable C++ exception
-  conf.disable_cxx_exception
-  
-  # Gems from core
-  # removing mruby-io
-  conf.gem :core => "mruby-metaprog"
-  conf.gem :core => "mruby-pack"
-  conf.gem :core => "mruby-sprintf"
-  conf.gem :core => "mruby-print"
-  conf.gem :core => "mruby-math"
-  conf.gem :core => "mruby-time"
-  conf.gem :core => "mruby-struct"
-  conf.gem :core => "mruby-compar-ext"
-  conf.gem :core => "mruby-enum-ext"
-  conf.gem :core => "mruby-string-ext"
-  conf.gem :core => "mruby-numeric-ext"
-  conf.gem :core => "mruby-array-ext"
-  conf.gem :core => "mruby-hash-ext"
-  conf.gem :core => "mruby-range-ext"
-  conf.gem :core => "mruby-proc-ext"
-  conf.gem :core => "mruby-symbol-ext"
-  conf.gem :core => "mruby-random"
-  conf.gem :core => "mruby-object-ext"
-  conf.gem :core => "mruby-objectspace"
-  conf.gem :core => "mruby-fiber"
-  conf.gem :core => "mruby-enumerator"
-  conf.gem :core => "mruby-enum-lazy"
-  conf.gem :core => "mruby-toplevel-ext"
-  conf.gem :core => "mruby-kernel-ext"
-  conf.gem :core => "mruby-class-ext"
-  conf.gem :core => "mruby-compiler"
-end
diff --git a/target/host-cxx.rb b/target/host-cxx.rb
deleted file mode 100644
index ae05e63c2..000000000
--- a/target/host-cxx.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-MRuby::Build.new do |conf|
-  toolchain :gcc
-
-  enable_debug
-  # include the default GEMs
-  conf.gembox 'full-core'
-
-  # C compiler settings
-  conf.cc.defines = %w(MRB_ENABLE_DEBUG_HOOK)
-  conf.enable_debug
-  conf.enable_cxx_abi
-  conf.enable_test
-end
diff --git a/target/host-debug.rb b/target/host-debug.rb
deleted file mode 100644
index ad4106065..000000000
--- a/target/host-debug.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-MRuby::Build.new('host') do |conf|
-  # load specific toolchain settings
-
-  # Gets set by the VS command prompts.
-  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
-    toolchain :visualcpp
-  else
-    toolchain :gcc
-  end
-
-  enable_debug
-
-  # include the default GEMs
-  conf.gembox 'full-core'
-
-  # C compiler settings
-  conf.cc.defines = %w(MRB_ENABLE_DEBUG_HOOK MRB_NO_BOXING)
-
-  # Generate mruby debugger command (require mruby-eval)
-  conf.gem :core => "mruby-bin-debugger"
-
-  # test
-  enable_test
-  # bintest
-  enable_bintest
-end
diff --git a/target/host-gprof.rb b/target/host-gprof.rb
deleted file mode 100644
index 31b952920..000000000
--- a/target/host-gprof.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-MRuby::Build.new do |conf|
-  # load specific toolchain settings
-  toolchain :gcc
-
-  # include the GEM box
-  conf.gembox 'full-core'
-
-  conf.cc.flags << '-pg'
-  conf.linker.flags << '-pg'
-
-  # Turn on `enable_debug` for better debugging
-  enable_debug
-  conf.enable_test
-end
diff --git a/target/host-m32.rb b/target/host-m32.rb
deleted file mode 100644
index 39b2c952f..000000000
--- a/target/host-m32.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-MRuby::Build.new do |conf|
-  # load specific toolchain settings
-  toolchain :gcc
-
-  # include the GEM box
-  conf.gembox 'full-core'
-
-  conf.cc.flags << '-m32'
-  conf.linker.flags << '-m32'
-
-  # Turn on `enable_debug` for better debugging
-  enable_debug
-  conf.enable_test
-  conf.enable_bintest
-end
diff --git a/target/host-shared.rb b/target/host-shared.rb
deleted file mode 100644
index 8b5028837..000000000
--- a/target/host-shared.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-MRuby::Build.new do |conf|
-  # load specific toolchain settings
-
-  # Gets set by the VS command prompts.
-  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
-    toolchain :visualcpp
-  else
-    toolchain :gcc
-  end
-
-  # include the GEM box
-  conf.gembox 'default'
-
-  # C compiler settings
-  conf.cc do |cc|
-    cc.flags = '-fPIC'
-  end
-
-  conf.archiver do |archiver|
-    archiver.command = 'gcc'
-    archiver.archive_options = '-shared -o %{outfile} %{objs}'
-  end
-
-  # file extensions
-  conf.exts do |exts|
-     exts.library = '.so'
-  end
-
-  # file separetor
-  # conf.file_separator = '/'
-
-  # Turn on `enable_debug` for better debugging
-  enable_debug
-  conf.enable_bintest
-  conf.enable_test
-end
diff --git a/target/host.rb b/target/host.rb
deleted file mode 100644
index 0a92b9108..000000000
--- a/target/host.rb
+++ /dev/null
@@ -1,86 +0,0 @@
-MRuby::Build.new do |conf|
-  # load specific toolchain settings
-
-  # Gets set by the VS command prompts.
-  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
-    toolchain :visualcpp
-  else
-    toolchain :gcc
-  end
-
-  # Use mrbgems
-  # conf.gem 'examples/mrbgems/ruby_extension_example'
-  # conf.gem 'examples/mrbgems/c_extension_example' do |g|
-  #   g.cc.flags << '-g' # append cflags in this gem
-  # end
-  # conf.gem 'examples/mrbgems/c_and_ruby_extension_example'
-  # conf.gem :core => 'mruby-eval'
-  # conf.gem :mgem => 'mruby-onig-regexp'
-  # conf.gem :github => 'mattn/mruby-onig-regexp'
-  # conf.gem :git => '[email protected]:mattn/mruby-onig-regexp.git', :branch => 'master', :options => '-v'
-
-  # include the GEM box
-  conf.gembox 'full-core'
-
-  # C compiler settings
-  # conf.cc do |cc|
-  #   cc.command = ENV['CC'] || 'gcc'
-  #   cc.flags = [ENV['CFLAGS'] || %w()]
-  #   cc.include_paths = ["#{root}/include"]
-  #   cc.defines = %w()
-  #   cc.option_include_path = %q[-I"%s"]
-  #   cc.option_define = '-D%s'
-  #   cc.compile_options = %Q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"]
-  # end
-
-  # mrbc settings
-  # conf.mrbc do |mrbc|
-  #   mrbc.compile_options = "-g -B%{funcname} -o-" # The -g option is required for line numbers
-  # end
-
-  # Linker settings
-  # conf.linker do |linker|
-  #   linker.command = ENV['LD'] || 'gcc'
-  #   linker.flags = [ENV['LDFLAGS'] || []]
-  #   linker.flags_before_libraries = []
-  #   linker.libraries = %w()
-  #   linker.flags_after_libraries = []
-  #   linker.library_paths = []
-  #   linker.option_library = '-l%s'
-  #   linker.option_library_path = '-L%s'
-  #   linker.link_options = "%{flags} -o "%{outfile}" %{objs} %{libs}"
-  # end
-
-  # Archiver settings
-  # conf.archiver do |archiver|
-  #   archiver.command = ENV['AR'] || 'ar'
-  #   archiver.archive_options = 'rs "%{outfile}" %{objs}'
-  # end
-
-  # Parser generator settings
-  # conf.yacc do |yacc|
-  #   yacc.command = ENV['YACC'] || 'bison'
-  #   yacc.compile_options = %q[-o "%{outfile}" "%{infile}"]
-  # end
-
-  # gperf settings
-  # conf.gperf do |gperf|
-  #   gperf.command = 'gperf'
-  #   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
-
-  # file extensions
-  # conf.exts do |exts|
-  #   exts.object = '.o'
-  #   exts.executable = '' # '.exe' if Windows
-  #   exts.library = '.a'
-  # end
-
-  # file separetor
-  # conf.file_separator = '/'
-
-  # Turn on `enable_debug` for better debugging
-  # conf.enable_debug
-  conf.enable_bintest
-  conf.enable_test
-end
diff --git a/target/travis.rb b/target/travis.rb
deleted file mode 100644
index 58a739ce6..000000000
--- a/target/travis.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-MRuby::Build.new('full-debug') do |conf|
-  toolchain :gcc
-  enable_debug
-
-  # include all core GEMs
-  conf.gembox 'full-core'
-  conf.cc.flags += %w(-Werror=declaration-after-statement)
-  conf.cc.defines += %w(MRB_GC_STRESS MRB_ENABLE_DEBUG_HOOK)
-
-  conf.enable_test
-end
-
-MRuby::Build.new do |conf|
-  toolchain :gcc
-
-  # include all core GEMs
-  conf.gembox 'full-core'
-  conf.cc.flags += %w(-Werror=declaration-after-statement)
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_GC_FIXED_ARENA)
-  end
-  conf.enable_bintest
-  conf.enable_test
-end
-
-MRuby::Build.new('cxx_abi') do |conf|
-  toolchain :gcc
-
-  conf.gembox 'full-core'
-  conf.cc.flags += %w(-fpermissive)
-  conf.compilers.each do |c|
-    c.defines += %w(MRB_GC_FIXED_ARENA)
-  end
-  conf.enable_test
-
-  enable_cxx_abi
-
-  build_mrbc_exec
-end