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As per Cmake 3.21.1 documentation: if (MSVC) # warning level 4 and all warnings as errors add_compile_options(/W4 /WX) else() # lots of warnings and all warnings as errors add_compile_options(-Wall -Wextra -pedantic -Werror) endif() GCC and Clang share these flags, so this should cover all 3.

25.04.2020 · That sounds more or less fine except it is compiler specific (isn’t CMake supposed to abstract from that?) and produces tonnes of warnings with MSVC: cl : Command line warning D9025 : overriding '/W3' with '/W4'

Mar 03, 2010 · Every sane CMake user should refrain from fiddling with CMAKE_CXX_FLAGS directly and call the target_compile_options command instead. Check the mrts' answer which presents the recommended best practice. You can do something similar to this:

02.03.2010 · Sorry to post it here and not in the cmake mailing-list, but without level this will be useless, There are just too many warnings to list them all explicitely. If you want to unify it one way to do thatis two separate cmake_level - unified set of warnings, based for instance on clang, and native_level with the meaning specific for a compiler.

Firstly, prefer not to specify toolchain-specific details in CMakeLists.txt files. It makes the build system brittle. For example, if a new ...

Specifies the level of warnings to be generated by the compiler. Valid warning levels range from 0 to 4: /W0 suppresses all warnings. It's ...

How to set warning level in CMake? (3). Here is the best solution I found so far (including a compiler check): if(CMAKE_BUILD_TOOL MATCHES " ...

Apr 25, 2020 · That sounds more or less fine except it is compiler specific (isn’t CMake supposed to abstract from that?) and produces tonnes of warnings with MSVC: cl : Command line warning D9025 : overriding '/W3' with '/W4'

CMake should provide command line options to enable compiler warnings in the generated build system. This allows people to enable compiler ...

My Previous Approach

How to set the warning level for a project (not the whole solution) using CMake?Should work on Visual Studio and GCC.. I found various options but most seem either not to work or are not consistent with the documentation.

As per Cmake 3.21.1 documentation: if (MSVC) # warning level 4 and all warnings as errors add_compile_options(/W4 /WX) else() # lots of warnings and all warnings as errors add_compile_options(-Wall -Wextra -pedantic -Werror) endif() GCC and Clang share these flags, so this should cover all 3.

How to set the warning level for a project (not the whole solution) using CMake?Should work on Visual Studio and GCC.. I found various options but most seem either not to work or are not consistent with the documentation.

How to set the warning level for a project (not the whole solution) using CMake? ... if(MSVC) # Force to always compile with W4 if(CMAKE_CXX_FLAGS MATCHES ...

/wd4018 # Disable signed/unsigned mismatch warnings. https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-3-c4018.

Feb 18, 2022 · Specifies the level of warnings to be generated by the compiler. Valid warning levels range from 0 to 4: /W0 suppresses all warnings. It's equivalent to /w. /W1 displays level 1 (severe) warnings. /W1 is the default setting in the command-line compiler. /W2 displays level 1 and level 2 (significant) warnings. /W3 displays level 1, level 2, and ...

What are the equivalents in gcc to /w4, /w3, /w2, /w1? Here's the relevant code: toolset.flags gcc.compile OPTIONS <warnings>off : ...

How do you setup CMake so it properly enables compiler warnings for your ... your code is designed with a certain warning level in mind.

... some of the most basic of requirements - setting a warning level. ... except it is compiler specific (isn't CMake supposed to abstract ...