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CMAKE QUESTIONS

How to structure a cmake project with different 3rd-party libraries
How to structure a cmake project with different 3rd-party libraries
This might help you After further investigation and a lot of try and error with CMake, I guess I started with wrong expectations and some missunderstandings.It is not possible to get a useful solution/project structure for Visual Studio from CMake fi
TAG : cmake
Date : January 12 2021, 07:00 PM , By : Antony Briggs
cmake configure_file does not expand mylib.pc.in correctly
cmake configure_file does not expand mylib.pc.in correctly
help you fix your problem Construction ${prefix} is a variable reference both in CMake scripting and in .pc file scripting. So you need to choose at which stage you want to expand this reference:
TAG : cmake
Date : January 11 2021, 05:14 PM , By : Marianisho
CMake: Fortran modules and compilation order
CMake: Fortran modules and compilation order
This might help you Here problem is that lib1 target required object file for mod.f90. But there is no rule mention in CMakeLists.txt to create mod.f90.o while creating liblib1.a. For lib2 target mod.f90.o is created.There can be two possible solutio
TAG : cmake
Date : January 02 2021, 06:48 AM , By : user150744
CMake force install after add_subdirectory
CMake force install after add_subdirectory
fixed the issue. Will look into that further This looks like the primary use case for ExternalProject_Add, which is best used as a superbuild setup. This means that your top-level project (the "superbuild") does not build any actual code and instead
TAG : cmake
Date : January 02 2021, 06:48 AM , By : Philofax
CMake file(GLOB_RECURSE) to find one file per directory?
CMake file(GLOB_RECURSE) to find one file per directory?
this will help The list returned by file (GLOB_RECURSE ... is a superset of the desired result. Thus one possible solution is to post process the returned list by only selecting the first match returned for each directory.The following CMake function
TAG : cmake
Date : January 02 2021, 06:48 AM , By : Lunis Neko
How to pass C/CXX flags to an external project in CMake
How to pass C/CXX flags to an external project in CMake
wish help you to fix your issue I am still open to other answers, but for now I have settled on creating an uppercase version of the build_type, and using that to extract the build_type specific flags.
TAG : cmake
Date : January 02 2021, 06:48 AM , By : Doug
Cmake suddenly can't find my source files anymore
Cmake suddenly can't find my source files anymore
it fixes the issue To make a long story short: , This line:
TAG : cmake
Date : January 02 2021, 06:48 AM , By : Michael T.
How are variables like GTEST_FOUND set?
How are variables like GTEST_FOUND set?
wish of those help The GTEST_FOUND variable is actually set in the FindPackageHandleStandardArgs.cmake file. You can see in FindGTest.cmake, a call to this function is made here:
TAG : cmake
Date : January 02 2021, 06:36 AM , By : S Hall
What is the default privacy/scope setting for include_directories?
What is the default privacy/scope setting for include_directories?
I wish did fix the issue. Is using include_directories() essentially the same as using target_include_directories(MyTarget PRIVATE ...)?
TAG : cmake
Date : January 01 2021, 05:02 PM , By : Techspirit
Why -fPIC must be provided as definition, rather than compiler flag
Why -fPIC must be provided as definition, rather than compiler flag
I think the issue was by ths following , The line add_definitions(-fPIC) is wrong. First, it should be add_compile_options. Then, add_definition is a directory command which you should avoid.CMake must detect that the macro name starts with -f and ad
TAG : cmake
Date : December 30 2020, 04:08 PM , By : user186435
How to append command to add_custom_target in CMake
How to append command to add_custom_target in CMake
seems to work fine You can use add_custom_command and use it as dependency to your target. With the custom command you can APPEND commands with same OUTPUT:
TAG : cmake
Date : December 27 2020, 04:20 PM , By : Kaputnik
How to have an intermediate compile statement when generating a static library using cmake
How to have an intermediate compile statement when generating a static library using cmake
help you fix your problem I could not find a way to be able to do the conversion as part of the compilation. So, I used add_custom_command with a POST_LINK on the archive itself. Then I process each entry in the archive, doing the required conversion
TAG : cmake
Date : December 27 2020, 03:39 PM , By : Laques
Custom command does not get executed with --target option in cmake
Custom command does not get executed with --target option in cmake
hop of those help? Sorry for the later answer but work was crazy. So after i read the comments by @Th.Thielemann and @squareskittles I reread the cmake documentation and found my solution. The following code was written under cmake/3.0.0 quite a whil
TAG : cmake
Date : December 27 2020, 03:09 PM , By : ganok_tor
cmake and portable nul / /dev/null device
cmake and portable nul / /dev/null device
To fix this issue If you are running a shell command using execute_process() and want to quite the output. you can use the OUTPUT_QUIET and/or ERROR_QUIET options.From the execute_process documentation:
TAG : cmake
Date : December 26 2020, 01:01 AM , By : user183526
VSCode tasks dependsOn being run, task itself not
VSCode tasks dependsOn being run, task itself not
Does that help It apparently had something to do with the sh -c at the top of my task. I also changed the args to command in the tasks. My resulting tasks.json file:
TAG : cmake
Date : December 25 2020, 05:31 PM , By : Cosmin
How can I write the CMakeLists.txt to add .mlmodel to xcode project
How can I write the CMakeLists.txt to add .mlmodel to xcode project
help you fix your problem You will probably need to add a custom rule that calls coremlc to generate the .h abd .m files and the .mlmodelc folder.This is how you'd do it from Terminal:
TAG : cmake
Date : December 25 2020, 04:30 PM , By : Pavel K.
Calling a CMake function: number of arguments
Calling a CMake function: number of arguments
hope this fix your issue 3 variables will be the first 3 arguments.If your function was defined as follows:
TAG : cmake
Date : December 25 2020, 09:27 AM , By : Sonal
CMake with gRPC cannot find gRPCTargets.cmake
CMake with gRPC cannot find gRPCTargets.cmake
it should still fix some issue The cause of this problem is explained at https://github.com/grpc/grpc/issues/13841:
TAG : cmake
Date : December 25 2020, 09:19 AM , By : Imran
From makefile to Cmake - stm32
From makefile to Cmake - stm32
I hope this helps you . Got it to work, thanks to Chris for the guidance. The issue was the ASM was not build and I had to link arm object copy.CMakeLists.txt:
TAG : cmake
Date : December 22 2020, 05:01 AM , By : BooTeK
CMake Error buildir" does not appear to contain CMakeLists.txt
CMake Error buildir" does not appear to contain CMakeLists.txt
I hope this helps . You need to run cmake in the build directory with an argument of the source directory.Example:
TAG : cmake
Date : December 21 2020, 08:30 PM , By : Jonathan
Use -I instead of -isystem when using CMake find_package in compile_commands.json
Use -I instead of -isystem when using CMake find_package in compile_commands.json
With these it helps There is the target property NO_SYSTEM_FROM_IMPORTED you can set on the consuming target to remove that behavior.
TAG : cmake
Date : December 21 2020, 11:02 AM , By : joshski
CMake build with LLVM Project as a subdirectory
CMake build with LLVM Project as a subdirectory
wish helps you What does the error from CMake really mean? @Tsyvarev correctly identified that the problem was in fact that llvm-project/llvm/include/llvm/module.modulemap.build didn't exist. This was because I downloaded an archive of the project th
TAG : cmake
Date : December 05 2020, 06:54 AM , By : Kiltec
Build2 analog of CMake's find_package
Build2 analog of CMake's find_package
may help you . Is there are any mechanism in Build2 like CMake's find_package? , To use foo as dependency in your bar project, you need to add a line:
TAG : cmake
Date : December 02 2020, 10:46 PM , By : user185751
Adding compiler "#define" flags in sub_directory CMakeLists.txt
Adding compiler "#define" flags in sub_directory CMakeLists.txt
it helps some times My directory structure of project is build with multi CMakeLists.txts. , Your CMSIS_lib/CMakeList.txt should look like this:
TAG : cmake
Date : November 29 2020, 04:01 AM , By : Cosmin
How locate .cpp Files in a "src directory" using CMake?
How locate .cpp Files in a "src directory" using CMake?
Any of those help If you want to locate all .cpp files in the src directory, you could do
TAG : cmake
Date : November 28 2020, 08:01 AM , By : codelurker
Include shared object in CMake
Include shared object in CMake
I wish this help you I have a shared object called my-shared.so , In your CMakeLists.txt import library by:
TAG : cmake
Date : November 26 2020, 04:01 AM , By : John Phipps
cmake3 external project add step loop
cmake3 external project add step loop
should help you out In CMake functions calls and other constructions cannot be nested one into another. So, using foreach() command inside ExternalProject_Add_Step parameters is wrong.But you may use foreach() for generate arguments for ExternalProje
TAG : cmake
Date : November 24 2020, 05:44 AM , By : Tony Z
selectively run doxygen in cmake
selectively run doxygen in cmake
will be helpful for those in need I've got a CMakeLists.txt file that handles Doxygen generation for a software project. Its contents are: , First remove the ALL from add_custom_target().
TAG : cmake
Date : November 24 2020, 04:01 AM , By : drbillll
How can I inspect cmake internal variables?
How can I inspect cmake internal variables?
will be helpful for those in need You need to write this variable to cache, example:
TAG : cmake
Date : November 19 2020, 12:01 PM , By : Robert MacGregor
Compiling multiple packages in same folder in ROS
Compiling multiple packages in same folder in ROS
this will help Placing multiple packages inside a workspace is possible and a fundamental approach in ROS.The error
TAG : cmake
Date : November 17 2020, 04:01 AM , By : dantino
Wrap cache variables of a library when configuring my code in CMake
Wrap cache variables of a library when configuring my code in CMake
I hope this helps . The key word is INTERNAL property of the variable. Take a look at this example:Test/CMakeLists.txt:
TAG : cmake
Date : November 17 2020, 01:00 AM , By : Stephen Dewar
SFML Compilation with CMake. sh.exe not in my PATH
SFML Compilation with CMake. sh.exe not in my PATH
should help you out It's an (odd) limitation of CMake.If you use MSYS with MinGW, you'll have an sh.exe in your bin/ directory which is added to PATH, thus you need to choose the MSYS Makefiles generator.
TAG : cmake
Date : November 14 2020, 04:48 PM , By : Icyflash
How to link to <math.h> library using CMake?
How to link to <math.h> library using CMake?
will be helpful for those in need I included library in my source code. But I get compilation errors. , I found answer. Cmakelists.txt file is like it:
TAG : cmake
Date : November 12 2020, 11:01 PM , By : meehan
Building Boost as an ExternalProject_Add and either FindBoost or export the results
Building Boost as an ExternalProject_Add and either FindBoost or export the results
this one helps. The ExternalProject_Add creates a target that will drive pulling an external project. This means that downloading, building and installing of an external project happens during a build step. As a consequence external project's propert
TAG : cmake
Date : November 10 2020, 03:01 PM , By : user93312
Should I cache CMAKE_BUILD_TYPE?
Should I cache CMAKE_BUILD_TYPE?
Any of those help CMAKE_BUILD_TYPE in CMake's Cache The user would normally define CMAKE_BUILD_TYPE via the command line with cmake -D .... So this does generate a cached entry.
TAG : cmake
Date : November 06 2020, 03:01 PM , By : Mario Tristan
What does CMAKE_BUILD_TYPE affect, other than the compiler flag selection?
What does CMAKE_BUILD_TYPE affect, other than the compiler flag selection?
I hope this helps you . I know that if if we set -DCMAKE_BUILD_TYPE=Release (or Debug etc.), then the values of CMAKE_C_FLAGS_RELEASE and CMAKE_CXX_FLAGS_RELEASE will be appended to CMAKE_C_FLAGS and CMAKE_C_FLAGS respectively. , Actually, build type
TAG : cmake
Date : November 06 2020, 03:01 PM , By : jgood
Why does CMake EXPORT require static libraries used to build a shared library?
Why does CMake EXPORT require static libraries used to build a shared library?
Hope this helps When using target_link_libraries like you did, library dependencies are transitive by default. Try:
TAG : cmake
Date : November 03 2020, 11:01 PM , By : Simone
CMake/Ninja: Recursive "cleaning" of output directories when contents are unknown...?
CMake/Ninja: Recursive "cleaning" of output directories when contents are unknown...?
To fix the issue you can do Colleagues! , The way that I solved this was to define a NEW target "Clean":
TAG : cmake
Date : November 03 2020, 04:01 AM , By : Ben Humphrys
How to build eclipse paho with cmake
How to build eclipse paho with cmake
hope this fix your issue im very new to cmake. I want to add eclipse paho to my project, therefor I use "ExternalProject_add". Here is an extract of my CMakeLists.txt: , you can use the GIT repository, it has a CMakeList.txt.
TAG : cmake
Date : October 31 2020, 09:54 AM , By : James Lupiani
How can I generate a GUID in CMake?
How can I generate a GUID in CMake?
will be helpful for those in need There are several ways to create unique identifiers in CMake (see string() Generation). E.g. string(TIMESTAMP ...), string(RANDOM ...) or string(UUID ...):
TAG : cmake
Date : October 29 2020, 04:55 AM , By : yossi
cmake: install header order and dependencies on target
cmake: install header order and dependencies on target
hope this fix your issue Install is the final step, the one that should be visible to the user. So when you export binaries and headers you should already have binaries built against headers in their original locations. From CMake point of view you h
TAG : cmake
Date : October 28 2020, 11:27 AM , By : Kyle
CMake, multiple targets (asan tsan..) without having to recompile everything
CMake, multiple targets (asan tsan..) without having to recompile everything
I hope this helps you . Yes, but use multiple build directories: Create a build directory per configuration. Configure your project in your build directories with the parameters you need. E.g. cmake -DCMAKE_COMPILER=clang -DCMAKE_C_FLAGS="-fsanitize=
TAG : cmake
Date : October 28 2020, 11:27 AM , By : user122937
Using cmake options in generator expressions
Using cmake options in generator expressions
it fixes the issue Your example doesn't really specify a use case for this, and I think there are other ways of going about it (as well as -lblas being a linker flag not a compile option.) Just off of the information you provide, it looks like what y
TAG : cmake
Date : October 22 2020, 03:08 PM , By : DarrenBeck
Licensing: What is the license for LibFindMacros.cmake
Licensing: What is the license for LibFindMacros.cmake
around this issue It was originally written by me, and you may consider it Public Domain.
TAG : cmake
Date : October 16 2020, 11:12 PM , By : Mario Tristan
CMake - How does the if() command treat a symbol? As string or as variable?
CMake - How does the if() command treat a symbol? As string or as variable?
should help you out Welcome to the wilderness of CMake symbol interpretation.If the symbol exists as a variable, then the expression is evaluated with the value of the variable. Otherwise, the name of the variable (or literal, as you said) is evaluat
TAG : cmake
Date : October 08 2020, 06:00 PM , By : walshtp
Automatically add linking options to dependants of shared lib
Automatically add linking options to dependants of shared lib
wish help you to fix your issue Let's say I have a shared lib, A, and something else that links against it, B. They are in two separate projects. , This is a simple solution you can try:
TAG : cmake
Date : October 08 2020, 09:00 AM , By : Webtoad
CMake Error: include could not find load file: targets
CMake Error: include could not find load file: targets
will be helpful for those in need If you pay close attention to the error, you'd notice the full error says something like:
TAG : cmake
Date : October 07 2020, 08:00 AM , By : boonchew
How to get cmake generate -std=c++14 flag for qcc compiler
How to get cmake generate -std=c++14 flag for qcc compiler
Any of those help I'm trying to cross compile some c++ library for QNX neutrino using cmake. In CMakeLists.txt file I specified CMAKE_CXX_STANDARD 14 required, but the resulting compiler command line does not contain the -std=c++14 option. , Use
TAG : cmake
Date : October 04 2020, 06:00 PM , By : Maplye
Check for compatibility
Check for compatibility
Hope that helps EDIT: The correct use of check_c_source_compiles() requires inserting the actual C code inline within your CMake file. In addition, because your code contains quotes, you must escape the quotes with backslashes (\"). See my example be
TAG : cmake
Date : October 02 2020, 01:00 AM , By : codelurker
Return in CMake macro ends upper CMake file execution?
Return in CMake macro ends upper CMake file execution?
I hope this helps you . From the documentation for return:
TAG : cmake
Date : October 01 2020, 05:00 PM , By : user183676
CMake find_dependency does not respect the behaviour in the package documentation?
CMake find_dependency does not respect the behaviour in the package documentation?
I wish this helpful for you Are we misunderstanding the documentation linked above, or is this a bug in CMake behavior?
TAG : cmake
Date : September 30 2020, 08:00 PM , By : user161380
How to pass combined compiler options with target_compile_options in CMake?
How to pass combined compiler options with target_compile_options in CMake?
hope this fix your issue https://cmake.org/cmake/help/v3.12/command/target_compile_options.html:
TAG : cmake
Date : September 29 2020, 06:00 PM , By : Tonci Grgin
What is the use case for generator expression on target_include_directories?
What is the use case for generator expression on target_include_directories?
Hope this helps Generator-like expressions $ and $ are used by CMake for distinguishing things, different for the build tree and for the install tree.When building the project itself, $ is used but $ is not.
TAG : cmake
Date : September 27 2020, 06:00 PM , By : Jay Crockett
CONAN_PKG::<PKG-NAME> not found when using cmake to generate build target
CONAN_PKG::<PKG-NAME> not found when using cmake to generate build target
hop of those help? You are looking for the TARGETS approach. You need to pass TARGETS to conan_basic_setup() to generate CONAN_PKG::. Otherwise, only ${CONAN_LIBS} will be available.
TAG : cmake
Date : September 27 2020, 04:00 PM , By : fayoh
CMake Custom Command Depending On Variable
CMake Custom Command Depending On Variable
To fix the issue you can do Using configure_file one may convert "dependency from the variable" to "dependency from the file" which is naturally handled by custom target/command:options_list_file.in:
TAG : cmake
Date : September 27 2020, 01:00 PM , By : evegter
Difference between FooTarget.cmake and FindFoo.cmake?
Difference between FooTarget.cmake and FindFoo.cmake?
seems to work fine Discovering a package by using find_package(Foo) consists in two steps:
TAG : cmake
Date : September 26 2020, 09:00 PM , By : Jouni
What's the difference between find_package(MPI) and FindMPI?
What's the difference between find_package(MPI) and FindMPI?
To fix this issue Because FindMPI is one of the Find Modules provided by the CMake installation, the find_package(MPI) and include(FindMPI) calls are essentially equivalent. (The include() is required here to load the module; simply writing FindMPI i
TAG : cmake
Date : September 15 2020, 12:00 AM , By : Frank Bradley
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