Merge pull request #3222 from AltimitSystems/android.rake-ndk-clang

Android mips/mips64 support

tasks/toolchains/android.rake

@@ -5,9 +5,12 @@ class MRuby::Toolchain::Android
   DEFAULT_TOOLCHAIN = :clang
 
   DEFAULT_NDK_HOMES = %w{
-    /usr/local/opt/android-ndk
     /usr/local/opt/android-sdk/ndk-bundle
+    /usr/local/opt/android-ndk
     %LOCALAPPDATA%/Android/android-sdk/ndk-bundle
+    %LOCALAPPDATA%/Android/android-ndk
+    ~/Library/Android/sdk/ndk-bundle
+    ~/Library/Android/ndk
   }
 
   TOOLCHAINS = [:clang] # TODO : Add gcc support
@@ -15,7 +18,8 @@ class MRuby::Toolchain::Android
   ARCHITECTURES = %w{
     armeabi armeabi-v7a arm64-v8a
     x86 x86_64
-  } # TODO : Add mips mips64 support
+    mips mips64
+  }
 
   class AndroidNDKHomeNotFound < StandardError
     def message
@@ -56,26 +60,6 @@ Set ANDROID_PLATFORM environment variable or set :platform parameter
         when /mips/       then 'mipsel-linux-android-'
         end + command
 
-      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)
       gcc_toolchain_path.join('bin', command).to_s
     end
   end
@@ -92,6 +76,7 @@ Set ANDROID_PLATFORM environment variable or set :platform parameter
       DEFAULT_NDK_HOMES.find { |path|
         path.gsub! '%LOCALAPPDATA%', ENV['LOCALAPPDATA'] || '%LOCALAPPDATA%'
         path.gsub! '\\', '/'
+        path.gsub! '~', Dir.home || '~'
         File.directory?(path)
       } || raise(AndroidNDKHomeNotFound)
     )
@@ -108,6 +93,32 @@ Set ANDROID_PLATFORM environment variable or set :platform parameter
       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
@@ -195,7 +206,7 @@ Set ANDROID_PLATFORM environment variable or set :platform parameter
     flags += %W(-D__android__ --sysroot="#{sysroot}")
     case toolchain
     when :clang
-      flags += %W(-gcc-toolchain #{toolchain_path.to_s})
+      flags += %W(-gcc-toolchain "#{gcc_toolchain_path.to_s}")
       case arch
       when /armeabi-v7a/  then flags += %W(-target armv7-none-linux-androideabi)
       when /armeabi/      then flags += %W(-target armv5te-none-linux-androideabi)