我正在尝试为我的母语创建一个名为amharic的ASR系统，我的计划是制作一个没有太多努力的水族模型。因为我认为我可以使用使用QT制作的ASTRA（Advanced Sphinix Trainer）。但事情是只有源代码，没有编译的二进制文件，当我尝试使用QT 5.1 mingw（X64）编译它时，我得到了这个错误。
S:\Lite\astra\audio_play.cpp:-1: In member function 'void audio_play::pause()':
S:\Lite\astra\audio_play.cpp:31: error: 'SIGSTOP' was not declared in this scope
S:\Lite\astra\audio_play.cpp:31: error: 'kill' was not declared in this scope
S:\Lite\astra\audio_play.cpp:38: error: 'SIGCONT' was not declared in this scope
S:\Lite\astra\audio_play.cpp:38: error: 'kill' was not declared in this scope
S:\Lite\astra\audio_play.cpp:-1: In member function 'void audio_play::stop_record()':
S:\Lite\astra\audio_play.cpp:50: error: 'kill' was not declared in this scope
ASTRA的源代码位置 - AStra Trainer