如何修复 fatal error:tclap/CmdLine.h: No such file or directory

问题

在尝试构建依赖 TCLAP 的 C++ 项目时,你可能会遇到以下错误:

tclap-cmdline-error.txt
/home/uli/MyProject/device/device_cli.cpp:13:10: fatal error: tclap/CmdLine.h: No such file or directory
   13 | #include <tclap/CmdLine.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/MyCLI.dir/build.make:79: CMakeFiles/MyCLI.dir/device/device_cli.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:349: CMakeFiles/MyCLI.dir/all] Error 2

解决方案

你需要安装 libtclap-dev 以获取 TCLAP 所需的头文件。可以使用以下命令安装:

install-tclap-dev.sh
sudo apt -y install libtclap-dev

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