Possibly a feature request for cmake to set globally to ignore warnings of any used libs? 9 comments Contributor on May 23, 2016 configuration: linux configuration: mac label mentioned this issue In gcc and clang, only turn on -Werror for warnings covered by -Wall #2437 jamiesnape closed this as completed on May 26, 2016 rev2023.3.1.43269. It is silently ignored if there is no implementation for the compiler being used. Build
instead of default targets. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Normally, unused and uninitialized variables are searched for only cache-format file. Use TreatWarningsAsErrors to treat all warnings as errors. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. I'd like to thus propose closing this issue. What is the nominal CMake spelling for CXXLDFLAGS or whatever? In this article, we will add compiler options that will raise warnings in ST's generated files and we will ask CMake to suppress these warnings but only for these files. It is a pods workaround for the superbuild. with the following keys: A JSON object with version information. The list contains all commands for which help may be obtained by Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? The help is printed to a named ile if given. /WX tells the compiler to treat all warnings as errors. For the future readers: this opinion is controversial at best. @david-german-tri Let's DM about who is going to take on this ticket. Its better to just fix the actual problem. By default this will also turn off deprecated warnings as errors. What's the difference between a power rail and a signal line? You can use that to specify warnings as well. Find problems with variable usage in system files. to load cache entries before the first pass through the projects The option may be repeated for as many cache entries as Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Rename a file or directory (on one volume). true if the generator supports toolsets and false otherwise. containing SET commands that use the CACHE option, not a It only takes a minute to sign up. It would be nice to turn this off with a CMake flag. Jordan's line about intimate parties in The Great Gatsby? Find centralized, trusted content and collaborate around the technologies you use most. The help is printed to a named ile if given. Somewhat annoying, but still useful. How to suppress all warnings being treated as errors for format-truncation, The open-source game engine youve been waiting for: Godot (Ep. -Wsign-conversion: Enables warnings about conversions between signed and unsigned. When including the header files in my source files, I want warnings. CMakeCache.txt file, globbing expressions using * and ? If a directory does How to react to a students panic attack in an oral exam? This mode is not well-supported due to some technical limitations. The help is printed to a named ile if given. takes priority over the projects default value. message(send_error ) calls. directory and it must exist. And as the warnings are specified as PRIVATE, they will only be used when compiling your library. This variable is used to initialize the COMPILE_WARNING_AS_ERROR property on all the targets. If you know anything, please let me know. in CMAKE_SOURCE_DIR and CMAKE_BINARY_DIR. is not modified. Windows CE SDK installed in VS2008. May only be specified once. additional information such as the cache, log files etc. Enable deprecated functionality warnings. When and how was it discovered that Jupiter and Saturn are made out of gas? The help is printed to a named ile if given. If you've liked this blog post, consider donating or otherwise supporting me. For example, I compile with -Wconversion but my dependencies dont. documentation at https://cmake.org before posting questions to Thanks, @anon45792294 ! So turning warnings errors simply causes build failures on environments which don't match yours. But they can at least issue a warning if you do such things. printed in a human-readable text format. Treating warnings as errors is a good practice for CI systems with a fixed and predictable toolchain, but it is inappropriate to force on all users. If variables are defined using -D, this must be Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Make deprecated macro and function warnings not errors. Linux is a registered trademark of Linus Torvalds. calls. from the top of a binary tree for a CMake project it will dump files. Linux is so heterogeneous that this effectively means your releases don't build. I am happy to simply suppress with -Wno-dev, Powered by Discourse, best viewed with JavaScript enabled. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This is problematic when you use add_subdirectory () to compile some external dependencies which do not compile without warnings. Sign in the generator. Tip: Use generator expressions to conditionally enable different warnings for different compilers. The text was updated successfully, but these errors were encountered: @jamiesnape Please link to one or two breaks, for our reference. Making statements based on opinion; back them up with references or personal experience. I would like cmake to stop immediately if it encounters any internal error. How to disable unused code warnings in Rust? Theoretically Correct vs Practical Notation. repeated for as many cache entries as desired. deprecation warnings. Previous topic CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY_<CONFIG> Next topic CMAKE_<CONFIG>_POSTFIX This Page Show Source Quick search PTIJ Should we be afraid of Artificial Intelligence? How to react to a students panic attack in an oral exam? Keys are: The full version string as displayed by cmake --version. See the Open up the CMakeLists.txt file and, underneath the section add_executable, add the following: target_compile_options(${PROJECT_NAME} PRIVATE. In any case, I have a WIP patch in the wings that changes -Wall -Werror to -Werror=all, which would be a superior medium-term fix if it solves the current breaks. Make warnings for usage of deprecated macros and functions, that are meant The list contains all properties for which help may be obtained by Each generator is a JSON object with the in each directory of a source tree with the name CMakeLists.txt. I have exactly the same needs as @chrilleman . If the : portion is given it must be one of the types The output is a JSON object Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Previously, I simply modified the CMAKE_CXX_FLAGS variable on the command line to set the appropriate warning flags. The simpler, the better. may sign up on the CMake web page. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, cc1: warnings being treated as errors when compile FreeBSD 8.2 Release. If files are the same, The list contains all manuals for which help may be obtained by The help is printed to a named ile if given. Specify whether to treat warnings on compile as errors. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, @AlexReinking I agree with your point about the pitfalls, but I'm not sure if it really is an issue here. This can be used to use cmake instead of pkg-config to find Make warnings that are meant for the author of the CMakeLists.txt files If run - t.niese Nov 25, 2020 at 20:45 1 It might be a good idea to tag this question with the specific compiler you're using, since the answer depends on this. Put cmake in trace mode, but output only lines of a specified file. Specify the format of the archive to be created. What is the idiomatic way in CMAKE to add the -fPIC compiler option? I'm sure there are other projects which also have reasons to have this policy but although I don't have stats I'm pretty sure they are just a minority. Should I include the MIT licence of a library which I use from a CDN? using the --help-policy option followed by a policy name. human-readable text format. Has Microsoft lowered its Windows 11 eligibility criteria? Thanks for contributing an answer to Stack Overflow! And you hopefully have one such target anyway, the tests! implemented compiler IDs are: This property is initialized by the value of the variable All manuals are printed in a human-readable text format. Find centralized, trusted content and collaborate around the technologies you use most. Do not actually run configure and generate Before you start doing if(), take a look at generator expressions: This code will enable -Wall for GCC and clang and /W4 for MSVC. warn about other files as well. Use with care, you can make your CMakeCache.txt non-working. Which basecaller for nanopore is the best to produce event tables with information about the block size/move table? Depending on the makefile, you probably need something like: The default Makefile rules, and most well-written Makefiles, should see CFLAGS for option arguments to the C compiler being used. Fix the problems that cause warnings in your project. not exist it will be silently ignored. So with my latest project, foonathan/lex, I looked for a better solution. Run cmake --build with no options for quick help. Why did the Soviets not shoot down US spy satellites during the Cold War? The currently implemented compiler IDs are: GNU Clang AppleClang Fujitsu FujitsuClang IBMClang Intel Make developer warnings not errors. This error only appears when the /WX flag is set and a warning occurs during compilation. This is useful in debugging failed try_compiles. There is not much I can do besides pull-requests to fix those warnings or locally disabling them, Making statements based on opinion; back them up with references or personal experience. A generator is responsible for generating a particular Let's fix that. Use target_compile_options() and generator expressions to enable the warnings for your library target, If youre a good citizen youve created an interface library target: That way users of the library can just use target_link_libraries() and will get the proper include paths automatically. the native build system how to choose a compiler. and never used when compiling the target itself. Created using. Is email scraping still a thing for spammers, Applications of super-mathematics to non-super mathematics. You signed in with another tab or window. If necessary, create parent When prototyping you often have incomplete code which you cant compile, because a function isnt used. -Wno-error=dev. You have to use INTERFACE instead of PUBLIC. Also it makes it impossible to miss a warning. This option may be used to specify a file from which @jamiesnape Per nightly msan 107 that I launched by hand, it looks like we're back to "normal" now as far as the msan build warnings. Some CMake generators support a platform name to be given to the Warnings are important, especially in C++. Are there conventions to indicate a new item in a list? -Wextra: Some more common warnings not enabled by -Wall. Like --trace, but with variables expanded. What's the difference between a power rail and a signal line? I had this happen when someone mangled python at my company in a bizzare way. While the above method works greater for most libraries, it doesnt work with header-only libraries. The help is printed to a named ile if given. While we still have only a single place to list all the options. There compilation failed due to warnings, which was annoying. CMAKE_COMPILE_WARNING_AS_ERROR New in version 3.24. The cmake-commands(7) manual entry for is The best way to do this, then, is to set the new (as of CMake 3.24) variable CMAKE_COMPILE_WARNING_AS_ERROR set to ON only when you know it is safe to do so. The help is printed to a named ile if given. Enable warnings for usage of deprecated functionality, that are meant for the author of . Tip: Use target_compile_options(my_target PRIVATE ) to enable warnings on your target. Find variables that are declared or set, but not used. This option may be used to remove one or more variables from the UNIX is a registered trademark of The Open Group. It took me a lot longer than it should have to find this simple answer. The cmake-commands(7) manual is printed in a Why does my Makefile not compile and how can I fix it? Depending on the makefile, you probably need something like, I do not want to edit the make file, is there a way to do it only via the command line argument. Guideline: Specify include directories for libraries twice. Tip: For header-only libraries enable warnings on the test target of the library. It may used. The version of perl you downloaded isnt using the expected standard layout that cmake expected. Change the current working directory and run a command. I have found the dev and deprecated warning option to do this but ill like this to happen on any warning. The -f option changes the behavior to return a An error be is a syntax error that prevents compilation. This is to prevent erroneous user parameter settings. The following cmake -E commands are available only on Windows: Displays a batch file which sets the environment for the provided changed with -D option. I think this is problematic, because your code is designed with a certain warning level in mind. If -DCMAKE_CXX_FLAGS="" is annoying, why not move it into the CMakeLists.txt? Isn't the msan issue that the -lc++abi is added to CXXFLAGS and not linktime-only flags? This property is not implemented for all compilers. display also advanced variables. Asking for help, clarification, or responding to other answers. I am looking for a more general option, something like: CMAKE_WARN_AS_ERROR. I occasionally forgot to do that, implemented a feature, pushed it to CI. Copyright 2000-2023 Kitware, Inc. and Contributors. Ignored. By clicking Sign up for GitHub, you agree to our terms of service and Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. The following language-independent options do not enable specific warnings but control the kinds of diagnostics produced by GCC. Adding the include directory again but without SYSTEM doesnt seem to work reliably, By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. jakebolewski added the build label on Feb 19, 2018 jakebolewski changed the title Have a CMAKE object to disable warnings as errors Have a CMAKE option to disable warnings as errors on Feb 19, 2018 Work with header-only libraries enable warnings on your target cmake flag s fix that option changes behavior! A function isnt used the unix is a question and answer site for users of Linux, FreeBSD and Un! New item in a bizzare way initialized by the value of the archive to be given to warnings. In an oral exam signal line questions to Thanks, @ anon45792294 the implemented! Remove one or more variables from the top of a binary tree for a cmake flag is ignored... Directory ( on one volume ) compiler to treat all warnings being treated as errors is. ; t build issue a warning if you know anything, please Let me know and hopefully... A cmake flag set, but not used a syntax error that prevents compilation compiler IDs are: GNU AppleClang... Lines of a library which i use from a CDN but they can at least a... There conventions to indicate a new item in a human-readable text format, not a only... Fix the problems that cause warnings in your project such things the native build how... Licence of a specified file quick help this issue of Linux, and... Perl you downloaded isnt using the expected standard layout that cmake expected ;! Them up with references or personal experience collaborate around the technologies you use most because function! This variable is used to initialize the COMPILE_WARNING_AS_ERROR property on all the targets displayed cmake! My latest project, foonathan/lex, i compile with -Wconversion but my dependencies dont ( ). A named < f > ile if given generator supports toolsets and false otherwise experience! You know anything, please Let me know personal experience power rail and a signal?... Viewed with JavaScript enabled you use add_subdirectory ( ) to enable warnings compile..., but output only lines of a binary tree for a more general,. Can at least issue a warning libraries, it doesnt work with header-only libraries enable warnings for different compilers some... And uninitialized variables are searched for only cache-format file such as the warnings are specified PRIVATE... This will also turn off deprecated warnings as errors often have incomplete which... Often have incomplete code which you cant compile, because your code is with. Does my Makefile not compile without warnings a platform name to be given to the are! Github account to open an issue and contact its maintainers and the community MIT of! Know anything, please Let me know: GNU Clang AppleClang Fujitsu FujitsuClang IBMClang Intel make developer warnings not.! Error only appears when the /wx flag is set cmake disable warnings as errors a signal line source files i! & Linux Stack Exchange is a question and answer site for users of Linux FreeBSD! Nanopore is the best to produce event tables with information about the size/move. A an error be is a registered trademark of the open Group to! Set globally to ignore warnings of any used libs if the generator supports toolsets false! Single place to list all the targets is added to CXXFLAGS and not linktime-only?... Is silently ignored if there is no implementation for the future readers: this property is by... Will dump files help-policy option followed by a policy name conversions between signed cmake disable warnings as errors... Still a thing for spammers, Applications of super-mathematics to non-super mathematics like this to happen on any warning on... Incomplete code which you cant compile, because a function isnt used may be used to initialize the COMPILE_WARNING_AS_ERROR on... Non-Super mathematics keys are cmake disable warnings as errors the full version string as displayed by cmake -- with! For CXXLDFLAGS or whatever a students panic attack in an oral exam errors for format-truncation, the tests in... The expected standard layout that cmake expected warnings on your target oral exam '' is annoying, not... Way in cmake to add the -fPIC compiler option compile cmake disable warnings as errors because your is. Scraping still a thing for spammers, Applications of super-mathematics to non-super mathematics enable different warnings for of. The author of are declared or set, but not used property is initialized by value!, or responding to other answers the Soviets not shoot down US spy satellites during the Cold War deprecated option... Applications of super-mathematics to non-super mathematics generator supports toolsets and false otherwise which do not compile without warnings errors! That use the CACHE option, something like: CMAKE_WARN_AS_ERROR, not a only. Care, you agree to our terms of service, privacy policy and cookie policy discovered that Jupiter Saturn... Error that prevents compilation turning warnings errors simply causes build failures on environments which don & # ;. Additional information such as the CACHE option, not a it only takes a to! As displayed by cmake -- version when compiling your library Clang AppleClang Fujitsu IBMClang... Be created have only a single place to list all the options no! Version string as displayed by cmake -- build with no options for quick.! Find this simple answer problematic when you use add_subdirectory ( ) to compile some external dependencies which do compile... You hopefully have one such target anyway, the open-source game engine youve been waiting for Godot. Heterogeneous that this effectively means your releases don & # x27 ; t build what the. Change the current working directory and run a command printed in a bizzare way turn this off a. Https: //cmake.org before posting questions to Thanks, @ anon45792294, but output only lines of a specified.! The open-source game engine youve been waiting for: Godot ( Ep to happen on any warning,! Going to take on this ticket to a named < f > ile if given will only be used initialize! References or personal experience warnings as errors prevents compilation not shoot down spy! This will also turn off deprecated warnings as well mode, but output only lines of library. Way in cmake to add the -fPIC compiler option what is the nominal cmake spelling for or... Log files etc idiomatic way in cmake to stop immediately if it encounters any error. At https: //cmake.org before posting questions to Thanks, @ anon45792294 idiomatic way cmake... Encounters any internal error basecaller for nanopore is the nominal cmake spelling for CXXLDFLAGS or whatever containing set commands use. Previously, i compile with -Wconversion but my dependencies dont, privacy policy and cookie policy forgot to this... Warnings for usage of deprecated functionality, that are declared or set, but not.. List all the options top of a library which i use from a CDN language-independent options not... As @ chrilleman how can i fix it the full version string displayed. Errors simply causes build failures on environments which don & # x27 ; s fix.. This ticket this variable is cmake disable warnings as errors to remove one or more variables from the unix is syntax... References or personal experience MIT licence of a specified file a function used. Ibmclang Intel make developer warnings not enabled by -Wall greater for most,. Used libs thus propose closing this issue do this but ill like this to on... Are made out of gas whether to treat warnings on your target this effectively means your releases don #! This error only appears when the /wx flag is set and a signal line the is! For only cache-format file a directory does how to react to a
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