ubuntu 编译ekho-8.6源码问题小记

出现错误

configure: error: in `/home/chenjie/dnake/ekho-8.6':
configure: error: espeak-ng test failed

执行以下指令，解决

sudo apt-get install libpulse-dev
sudo apt-get install libsndfile1-dev
sudo apt-get install libespeak-ng-dev

使用中出现英文发音异常，按照以下修改源码，

case ENGLISH_TEXT:
        if (pause > 0) {
			cerr <<"chen1"<< endl;
          word--;  // turn back pointer
          if (pause > 1)
            pPcm = this->mDict.getFullPause()->getPcm(size);
          else if (pause >= 0.5)
            pPcm = this->mDict.getHalfPause()->getPcm(size);
          else
            pPcm = this->mDict.getQuaterPause()->getPcm(size);
          pause = 0;
          callback((short *)pPcm, size / 2, userdata, OVERLAP_NONE);
        } else {
          char c;
		  #if 0
          if ((word->text.length() == 1) &&
              (c = tolower(word->text.c_str()[0])) && c >= 'a' && c <= 'z') {
              cerr <<"chen2"<< endl;
      		  /*
                  if (!mAlphabetPcmCache[c - 'a'])
                    mAlphabetPcmCache[c - 'a'] =
                        getEnglishPcm(word->text, mAlphabetPcmSize[c - 'a']);

                  pPcm = mAlphabetPcmCache[c - 'a'];
                  size = mAlphabetPcmSize[c - 'a'];
      	    */

            // use pinyin-huang alphabet
      	    phon_symbol = word->symbols.begin();
      	    pPcm = (*phon_symbol)->getPcm(mDict.mVoiceFile, size);
            callback((short *)pPcm, size / 2, userdata, OVERLAP_NONE);
          } else 
		  	#endif
		  	{
		  	cerr <<"chen3"<< endl;
            pPcm = this->getEnglishPcm(word->text, size);
            if (pPcm && size > 0) {
              callback((short *)pPcm, size / 2, userdata, OVERLAP_NONE);
              if (pPcm) delete[] pPcm;
            }
            pPcm = 0;
          }
        }
        break;