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4 minutes read
To disable a cmake option, you can either remove the option from the CMakeLists.txt file or set the option to OFF when configuring your build. If the option is defined as a variable in the CMakeLists.txt file, you can simply comment out or delete the line that sets the variable. If the option is defined as a CMake cache variable, you can use the cmake -DOPTION=OFF command when configuring your build to explicitly set the option to OFF. This will disable the option for the current build.
2 minutes read
To set the ASAN_OPTIONS environment variable in CMake, you can use the configure_file() command in your CMakeLists.txt file. First, define the desired options for AddressSanitizer in a separate configuration file (e.g., asan_options.txt).In this file, specify the options in the format: ASAN_OPTIONS=option1=value1:option2=value2:...Then, in your CMakeLists.txt file, use the configure_file() command to copy the contents of asan_options.txt to a new file (e.g., asan_options.
7 minutes read
To include a C++ library in a C project using CMake, you can use the add_library command to create a library target for the C++ library. You can then use the target_link_libraries command to link this library target to your C project target.First, in your CMakeLists.txt file, use the add_library command to create a library target for the C++ library. For example: add_library(myCppLibrary SHARED myCppLibrary.cpp) Next, in the same CMakeLists.
4 minutes read
To link a third-party library like Ceres Solver in CMake, you first need to find the location of the library files on your system. Once you have the path to the library files, you can use the find_package command in your CMakeLists.txt file to locate the library.Next, you need to add the library to your target by using the target_link_libraries command. This command tells CMake to link the library to your executable or library.
4 minutes read
To link an external library with a CMake project, you need to specify the library's path and include directories in your CMakeLists.txt file. First, you need to use the find_package() or find_library() command to locate the external library on your system. Once the library is found, you can use the target_link_libraries() command to link the library to your project.You also need to set the include_directories() command to include the header files of the external library in your project.
5 minutes read
To build and install dependencies from CMake, you can first specify the dependencies in the CMakeLists.txt file using the find_package() or add_subdirectory() command. This will tell CMake where to find the dependencies and how to link them with your project.Once the dependencies are defined in your CMakeLists.txt file, you can run the CMake configuration step to generate the build system files that will include the necessary information about the dependencies.
5 minutes read
To add a custom flag in CMake building, you can use the following steps:Open your CMakeLists.txt file in the root of your project directory.Find the place where you set the compiler flags for your project.Add the custom flag using the set(CMAKE_FLAGS "${CMAKE_FLAGS} custom_flag") command, where is the language you are using (e.g., CXX for C++).You can also use the add_definitions(-DCUSTOM_FLAG) command to define a preprocessor macro with your custom flag.
6 minutes read
Cross-compiling with CMake involves setting up the appropriate toolchain file for the target platform, configuring CMake to use that toolchain file, and then running the build process as usual.To cross-compile with CMake, you need to create a toolchain file that specifies the compiler, linker, and other tools needed to build the software for the target platform. This file typically sets variables that tell CMake where to find the necessary tools and how to use them.
3 minutes read
To use the export custom target with CMake, you can define a custom target in your CMakeLists.txt file using the add_custom_target() command. Within this custom target, you can specify commands to be executed when the target is built.To export this custom target, you can use the EXPORT() command along with the INSTALL() command.
6 minutes read
To build latex documentation with CMake, you need to first create a CMakeLists.txt file in the root directory of your project. In this file, you need to specify the commands to build the latex documentation using the add_custom_target and add_custom_command functions provided by CMake.You will also need to specify the input files for the latex documentation, such as the .tex files, figures, and other resources that are required for the documentation.