斯卡拉本地運行演示

Question

成功建設斯卡拉母語後嘗試使用運行演示以下命令

cd scala-native 
sbt demoNative/run 

返回以下錯誤

/home/rimashm/.scalanative/rtlib-0.1-SNAPSHOT/rt.cpp:1:10: fatal error: 'exception' file not found \#include <exception> 1 error generated. 
java.io.IOException: Cannot run program "/home/rimashm/MITScriptTest/scala-native/demo/native/target/scala-2.11/demonative-out": error=2, No such file or directory 
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048) Caused by: java.io.IOException: error=2, No such file or directory 
at java.lang.UNIXProcess.forkAndExec(Native Method) 
at java.lang.UNIXProcess.<init>(UNIXProcess.java:248) 
at java.lang.ProcessImpl.start(ProcessImpl.java:134) 
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029) 
[trace] Stack trace suppressed: run last demoNative/*:run for the full output. [error] (demoNative/*:run) java.io.IOException: Cannot run program "/home/rimashm/MITScriptTest/scala-native/demo/native/target/scala-2.11/demonative-out": error=2, No such file or directory [error] Total time: 16 s, completed Jun 7, 2016 4:58:18 PM 

Answer 1

斯卡拉母語含有的C++代碼https://github.com/scala-native/scala-native/blob/master/rtlib/src/main/resources/rt.cpp幾行。鑑於你的錯誤消息，似乎這部分無法編譯。這可能是由於缺少libC++頭文件引起的。