add_compile_options

Adds options to the compilation of source files.

add_compile_options(<option> ...)

Adds options to the compiler command line for targets in the current directory and below that are added after this command is invoked. See documentation of the directory and target COMPILE_OPTIONS properties.

This command can be used to add any options, but alternative commands exist to add preprocessor definitions (target_compile_definitions() and add_definitions()) or include directories (target_include_directories() and include_directories()).

Arguments to add_compile_options may use “generator expressions” with the syntax $<...>. See the cmake-generator-expressions(7) manual for available expressions. See the cmake-buildsystem(7) manual for more on defining buildsystem properties.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.9/command/add_compile_options.html