昨天下载了最最新的qterm-0.5.2，可是怎么编译都是报错，意思是说找不到abs函数，可abs函数明明就是在stdlib.h中阿。
报错信息如下：
[64%]BuildingCXXobjectsrc/CMakeFiles/qterm.dir/qtermbbs.o
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbbs.cpp:Inmemberfunction‘boolQTerm::BBS::checkUrl(QRect&,QRect&,bool)’:
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbbs.cpp:459:warning:suggestexplicitbracestoavoidambiguous‘else’
[65%]BuildingCXXobjectsrc/CMakeFiles/qterm.dir/qtermbuffer.o
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbuffer.cpp:Inmemberfunction‘voidQTerm::Buffer::shiftStr(int,int,int,int)’:
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbuffer.cpp:284:error:‘abs’wasnotdeclaredinthisscope
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbuffer.cpp:Inmemberfunction‘QRectQTerm::Buffer::getSelectRect(int,bool)’:
/rocrocket/PSB/software/src/qterm-0.5.2/src/qtermbuffer.cpp:640:error:‘abs’wasnotdeclaredinthisscope
make[2]:***[src/CMakeFiles/qterm.dir/qtermbuffer.o]Error1
make[1]:***[src/CMakeFiles/qterm.dir/all]Error2
make:***[all]Error2
解决办法：
将qtermbuffer.cpp中的abs都替换为qAbs即可！
两个教训：
一是“一定仔细看出错信息”！
二是“别以为源码包没有错”！！
出自Linux,ThoughtsandLifes-rocrocket
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