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#Cmake debug target how to
#Cmake debug target code

Press F5 to continue the CMake configuration process.

Now instead of stepping into the check, simply right-click on the “target_compile_definitions” line and select “Set Next Statement”:.

Restart the CMake debugging an put a breakpoint on the line comparing VERSION_FROM_FILE.

Once CMake hits a fatal error, VisualGDB will automatically stop at that statement: You can use the Call Stack and Watch windows to examine the program state, however as the message was already triggered, it is too late to change anything or skip the error line.

The easiest way to get to the error message would be to simply press F5 to continue debugging.

VisualGDB will stop at the first statement of the file:.

Right-click on your project in Solution Explorer and select “Launch CMake Debugger”:

Now we will use the CMake Script Debugger to step through the CMakeLists.txt file and see what exactly CMake is doing and also to skip the error statement.

Save the CMakeLists.txt and see how CMake reports a configuration error (as the version stored in the file is less than the version checked in CMakeLists.txt):.

#Cmake debug target code

Then add the following code to your CMakeLists.txt file:.First of all, create a file called version.txt in your project directory and ensure it contains a single character: “1” Now we will replace the hardcoded version with a CMake function that will read the version from a text file.VisualGDB will automatically insert the corresponding statement into the CMakeLists.txt file:.Open the Visual Studio project properties for the target and add “PROJECT_VERSION=1” to the preprocessor definitions:.VisualGDB will generate a simple CMake project with one target: In this tutorial we will build the code locally using the Raspberry Pi cross-toolchain: You can either build the code on the Windows machine using a cross-toolchain, or build it directly on the Linux machine, depending on your configuration. On the next page select the machine you want to target.Select “Create a new project” -> “Application” -> “CMake” and ensure that the “Use the advanced CMake Project Subsystem” checkbox is set:.Start Visual Studio and open the VisualGDB Linux Project Wizard:.

#Cmake debug target how to

We will create a basic CMake project using a Linux cross-toolchain, add macros to read the version number from a text file, and will then step through the CMake statements in the debugger and show how to modify the version read from the file on-the-fly.īefore you begin, install VisualGDB 5.4 Preview 7 or later.

This tutorial shows how to use VisualGDB to step through the CMake scripts while analyzing CMake configuration problems.