[CMake] big custom command dependency problem

I created a custom command to generate a cpp file. I then use this cpp file to create a library as a separate add_library command. Whenever I type make, this cpp file is regenerated, and the library is recreated. Compiling this file is super expensive. Nothing has changed between invocations

Re: [CMake] big custom command dependency problem

I found the problem. The output from the custom command has to explicitly specify the destination path of the output file. OUTPUT ${PROJECT_BINARY_DIR}/output.cc I was already specifying the full path for the input to the library. Regards, Juan Juan Sanchez wrote: I created a custom