(Note macro arguments are not variables.). A function or macro always define a new command. It does not matter if the variable is true or false just if it has been set. in a toolchain file or as a cache entry from the cmake command line). This variable can also be set in nf as noninteractive True in the general. If you want to set a variable from the command line, CMake offers a variable cache. CMake supports both functions and macros to provide a named abstraction for some repetitive works. This variable will be set to true by CMake if the CMAKESYSTEMNAME variable has been set manually (i.e.
Cmake set variable to true generator#
The following to the bottom of the top level # This CMakeLists.txt doesn't do anything useful, # but it shoudl demonstrate the cmake syntax highlighting # Alex Turbov #] cmake_policy( VERSION 3.11)ĭemo VERSION 1. Just set its value to your desired CMake generator (as Ninja ).
Cmake set variable to true code#
It is a common pattern in CMake to conditionally set variables knowing that it will be used. 'then you should not be using set and should leave it to the user to use -D' - Normally, the code calls set for a variable, which is expected to be defined by a user.
We want our project to also be used from a build directory we only have to add Dereferencing an unset variable results in an empty expansion. The CMAKESYSTEMNAME variable should be queried if a more specific understanding of the target system is required. Project that can be used after the project has been installed or packaged. Documentation cmake-variables (7) UNIX UNIX Set to True when the target system is UNIX or UNIX-like (e.g. it will search the operating systems PATH variable for a debugger (GDB on. Enable_testing() # does the application run add_test( NAME Runs COMMAND Tutorial 25 ) # does the usage message work? add_test( NAME Usage COMMAND Tutorial ) set_tests_properties( Usage PROPERTIES PASS_REGULAR_EXPRESSION "Usage.*number" ) # define a function to simplify adding tests function( do_test target arg result ) add_test( NAME Comp $ /MathFunctionsConfig.cmake DESTINATION lib/cmake/MathFunctions )Īt this point, we have generated a relocatable CMake Configuration for our Linux: When set to true, it will notify VS Code to spawn an external console.
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