Because your include directories depend on the linked libraries, the include directories are not fully resolved until generate time. The message () is executed at configure time, but linked libraries are only evaluated later at generate time. If -DCMAKE_BUILD_TYPE=Debug is not passed, CMAKE_BUILD_TYPE is empty, and none of the extra CMAKE_CXX_FLAGS_XXX values are added, so we end with a build without -g. CMake does some processing at 'configure time' and some processing at 'generate time'. Flags used by the CXX compiler during RELWITHDEBINFO builds.ĬMAKE_CXX_FLAGS_RELWITHDEBINFO:STRING=-O2 -g -DNDEBUG Flags used by the CXX compiler during RELEASE builds.ĬMAKE_CXX_FLAGS_RELEASE:STRING=-O3 -DNDEBUG Flags used by the CXX compiler during MINSIZEREL builds.ĬMAKE_CXX_FLAGS_MINSIZEREL:STRING=-Os -DNDEBUG Flags used by the CXX compiler during DEBUG builds. That command also shows other values of interest which clarify the default behavior across built types: // Flags used by the CXX compiler during all build types. Flags used by the C compiler during DEBUG builds. Which gives: // Flags used by the CXX compiler during DEBUG builds. The default values of CMAKE_C_FLAGS_DEBUG and CMAKE_CXX_FLAGS_DEBUG can be found as mentioned at: with: cmake -LAH. If you would really like to explicitly control the build flags for the debug you can also set them with cmake -DCMAKE_BUILD_TYPE=Debug O0 is not added by default to the Debug build, but -O0 is the default -O value as mentioned at: and on man gcc, so it normally doesn't matter. A significant user of CMake is KDE since. Which shows the GCC build commands as explained at: Follow the instructions below to build and debug a CMake project on a WSL 2 distro. What went wrong: Execution failed for task :app:generateJsonModelDebug. To get started with debugging you need to fill in the program field with the path to the executable you plan to debug. Task :app:generateJsonModelDebug FAILED FAILURE: Build failed with an exception. We used to open a solutions file, select a project as 'Startup Target' and push Ctrl+F5 or F5 debug or run. vscode folder in your project) with almost all of the required information. We are moving from hand-managed Visual Studio projects to cross platform cmake. Visual Studio Code generates a launch.json (under a. While targetincludedirectories itself does not provide the possibility to distinguish between different build types, you can use generator expressions, e.g.: targetincludedirectories (MyEXE PRIVATE <<CONFIG:Debug>:3PDebugLib> <<CONFIG:Release>:3PReleaseLib> ) Share.ĭoing that adds the -g flag as can be confirmed with: make VERBOSE=1 A launch.json file is used to configure the debugger in Visual Studio Code. At invocation time, normally all that you need to make a debug build with CMake is: cmake -DCMAKE_BUILD_TYPE=Debug.
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