Cmake install custom target

CMake executes the child process using operating system APIs directly: On POSIX Changed in version 3. It can be used with or without CMake, but it may depend on some software being installed on the system. The install() command generates a file, cmake_install. cc file in the current directory. Hot Network Questions Can Maglev trains ever reach escape velocity? A book a read about 20 years ago about You need to be able to tell CMake about the structure of your project, and it will help you build it. 8. Optionally use cmake to Build a Project, Install a Project or just run the corresponding build tool (e. However, upon installation, the header file(s) listed in the PUBLIC section of target_sources() are never installed. The includes destination is special; since a target does not install includes. cmake would be picked up automatically by cmake to find the library by name. This is useful for performing an operation before or after building the target. I work on a big Fortran source code that now has a need to build a shared object library and include file where they are created by Python and not by Fortran. add_custom_target(Work ALL DEPENDS that. ¶. I’m trying to modernize a 14 year old CMakeLists based project, and several targets end up needing an out-of-tree built imported. The most "magic" in find_package command is how it searches *Config. I can't provide dependencies for this command cause there are too many. OUTPUT test-cmd. See the documentation of the underlying build tool for further default targets. Use ADD_CUSTOM_COMMAND to generate files. in the list of sources passed via add_executable or add_library)? If so, you shouldn't need to worry about the execution order - CMake will invoke the custom command as and when required. The --target option with install parameter in addition to the --build option tells cmake to build the install target. The details of this project are not important. cmake files in the build directories Mar 18, 2020 · target_sources(mylib PRIVATE foo. In that case use add_custom_target instead of execute_process somthing like this: add_custom_target(generate_sources ALL COMMAND generator ${CMAKE_SOURCE_DIR}/src)) Then add a target dependency to "generator" using add_dependencies: Feb 4, 2016 · Is the output file from your custom command (i. Each target_sources(FILE_SET) entry starts with INTERFACE, PUBLIC, or PRIVATE and accepts the following arguments: FILE_SET <set>. 16: A target-level dependency is added if any dependency is a byproduct of a target or any of its build events in the same directory to ensure the byproducts will be available before this target is built. The common solution was always to add the custom target to the common target “ALL”. Furthermore the target is always out of date, even if it creates an output. I currently use the following code. …but this isn’t applicable for standard targets that CMake generates itself. Use the add_custom_target() and add_custom_command() commands to create custom commands that run at build time. For example: Jun 16, 2021 · The proper way would be to use a package manager, such as vcpkg to install the dependencies for you. Each target corresponds to an executable or library, or is a custom target containing custom commands. EXCLUDE_FROM_ALL. 2 版本中的新功能。. txt and that fails with the error: install TARGETS given target "MySharedLib " which does not exist in this directory. Run or Debug the configuration. If RUNTIME_DIRECTORY is specified, then on systems with special runtime files (Windows DLL), the files will be copied to that directory. The named <target> must have been created by a command such as add_executable() or add_library() and must not be an ALIAS target. You can put any CMake functions inside the script. The problem goes away in CMake 3. Aug 19, 2021 · I am porting our product from using Makefiles to CMAKE. This offers flexibility for tasks not directly handled by standard Install directory used by install(). a (or . 0. Apr 20, 2021 · 1. If BEFORE is specified, the content will be prepended to the property instead of being appended. Target names must be unique (and there is a way to set the executable name to Mar 20, 2021 · 1 which tries to install a program. For the install target, you can also use another task called Install. add_custom_target(package_target COMMAND "${CMAKE_COMMAND}" --build . 16: A target-level dependency is added if any dependency is a byproduct of a target or any of its build events in the 请注意，在 add_custom_target 看到参数之前， CMake 语言处理器仍然使用一级转义。. txt' changes would be the only trigger to this custom command. I usually solve this problem by compiling generated source files into a Apr 11, 2022 · Basically, 'header. You’ve already seen a target: add_executable(myexample simple. Use ADD_DEPENDENCIES to add dependencies to or from other targets. To build one target after another you can use cmake add_dependencies command, specialy designed for this purpose. --target install COMMAND "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_LIST_DIR}/MyScript. INSTALL(TARGETS ExecutableTarget RUNTIME DESTINATION FOLDER_LOCATION) Install a static library. To do so, you will need targets. If the ALL option is specified it indicates that this target should be added to the default build target so that it will be run every time (the command cannot be called ALL). Use the add_dependencies () command to add dependencies on other targets. This variable defaults as follows: New in version 3. The source code for this section is available in Help/guide/importing-exporting/Importing . so in the root directory using add_custom_command and add_custom_target again. With Makefile we have 'install' target to move stuff to some location on user's machine and 'deploy' - to some fixed location on a server. all. Hot Network Questions Very poor communication by most Jun 9, 2015 · to store commands which are executed only when you run make install in a separate . Imagine we have the following CMakeLists. May 10, 2017 · When the custom command produces actually some stuff, instead of only print "Hello World", then the following might be appropriate. Among other things, it is allowed to specify PUBLIC_HEADER property for an INTERFACE target and even install that target: Apr 14, 2018 · I'm getting add_custom_target called with invalid target name "MyTarget" Target names may not contain a slash. – May 20, 2012 · 1. hex, *. Nov 4, 2017 · If you don't do anything, cmake will now create an install target for your build. Set this target property to a true (or false) value to exclude (or include) the target from the "all" target of the containing directory and its ancestors. DEPENDS. That is until I found this thread and @erk mentioned he is pretty sure custom targets cannot be installed with install (TARGETS) I am creating a target to generate a script using add_custom_target (). Options: COMMAND. g. If the script file name is a relative path it will be interpreted with We want to create an executable that when run creates a basic main. dependency) changes; notice the DEPENDS Oct 17, 2017 · 1. It only sets the includes destination on the exported target (which is often already set by target_include_directories, so check the MyLibTargets file and make sure you don't have the include directory included twice if you want clean cmake files). But that has the drawback, that the targets will we generated everytime, not only when installing. – This would be really helpful for running for example integration test that needs install target to be completed. The default target used by Makefile and Ninja Jun 16, 2021 · The proper way would be to use a package manager, such as vcpkg to install the dependencies for you. h. Apr 21, 2021 · In case of protobuf_generate_cpp, consumption is usually performed with add_library / add_executable commands. ) in your own custom functions. You can also invoke this script manually with cmake -P. INSTALL(TARGETS StaticLibraryTarget ARCHIVE DESTINATION FOLDER_LOCATION) Install dynamic library. txt. Names starting with a capital letter are reserved for built-in file sets predefined by CMake. COMMAND ${CMAKE_COMMAND} -E echo "ATest". But it is possible to create a custom target which depends on given files: protobuf_generate_cpp(FOO_SRC FOO_HDR foo. Because CPack executes CMake internally, the target is run during CPack too. Having the capability to evaluate generator expressions is very useful when you want to manage custom properties supporting generator expressions. In the Before launch area, click and select CMake Target: tip. Specifies include directories to use when compiling a given target. Apr 8, 2024 · Run installation before launch. set a list with all the header files you want to install (i. In the CMakeLists file, use the add_executable command to create a new target called myexe. cpp ${INCLUDE_COMPILER_STRING} /P WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/Path/Here COMMENT "Preprocessing to a file" VERBATIM ) If you wanted something more concise, you could use the generator expression example here , which gets the targets' include directories and expands them inline Apr 14, 2015 · following is the command that needs to be run to generate the header file. target2. Now I want to install it, but: install (TARGETS) fails with “install TARGETS To build a software project with CMake, Generate a Project Buildsystem . Use the IMPORTED option to tell CMake that this target references an executable file located outside of the project. This script accepts several variables: COMPONENT. elf files are produced. Feb 8, 2012 · If DEPENDS specifies any target (created by an ADD_* command) a target-level dependency is created to make sure the target is built before any target using this custom command. A target-level dependency is added if any dependency is a byproduct of a target or any of its build events in the same directory to ensure Nov 8, 2019 · add_custom_target(Bar ALL COMMAND ${CMAKE_C_COMPILER} thing. 12, in a Linux environment. CMake executes the child process using operating system APIs directly: On POSIX Aug 12, 2019 · 9. COMMAND generator --from this. However, if this is triggered, then I also want to run the first custom command so that we can install the application. This also copies the target to its own directory. CMake script. map, and . COMMAND ${CMAKE_COMMAND} -E echo "CTest". By default nothing depends on the custom target. Now I want to install it, but: install (TARGETS) fails with “install TARGETS Jan 25, 2017 · The closest I've come so far is to use add_custom_command and add_custom_target in the subdirectories to produce the . I tried to put the line install (TARGETS MySharedLib RUNTIME DESTINATION Game) in Game/CMakeLists. Apr 26, 2018 · I found What is cmake equivalent of 'configure --prefix=DIR && make all install '? which seemed to be easy. txt' did not change, then there is no need to install the application with the first custom command since it is not going to be used. Unlike to add_dependencies, which may connect targets creates in different directories, all Demystifying add_custom_command (): Unleashing CMake's Flexibility. But if I make the . Oct 16, 2017 · I expected that the variables set in MyProjectConfig. They will be executed in the order specified. You can use add_custom_command and use it as dependency to your target. It looked like you just need to set the cmake variable CMAKE_INSTALL_PREFIX and then make install should work. --target install. txt file, we can create a custom target to achieve that as the following. After LLVM has finished building, install it from the build directory: $ cmake --build . In the dialog that opens, select the desired target: Jan 27, 2016 · Currently add_custom_target (and others commands, which define actions for build step, e. With the custom command you can APPEND commands with same OUTPUT: test. Dec 21, 2022 · All files, from which a custom target depends, should be specified in the DEPENDS option for add_custom_target() call. add_custom_command) doesn't support simple setting environment variables. Feb 23, 2024 · According to the documentation, True if the given name is an existing logical target name created by. In this way you keep your project source folder free from all compiler generated stuff. Dec 23, 2011 · 3. set the target property PUBLIC_HEADER with all those header files, Jan 24, 2022 · I have an odd situation that I’m struggling with the CMake for. The add_custom_target() is what allows cmake to find your target and execute the corresponding command whenever one of the source files (a. COMMAND wsdl2h -o vsphere. Wrap target creation functions ( add_executable, etc. One key feature of CMake is add_custom_command(). cmake file. Or if the install target is already reserved for other things or you have more complex stuff going on: 2. Jul 25, 2017 · [CMake] How to install custom target Alex Turbov i. 12) add_custom_target(my_custom_target. 2 which tries to install a directory. CPack is a powerful, easy to use, cross-platform software packaging tool distributed with CMake. It uses the generators concept from CMake to abstract package generation on specific platforms. Mar 9, 2015 · Because install () fails when the target is not in the same directory. h infile. The name of the file set to create or add to. The command becomes part of the target and will only execute when the target itself is built. See CMake install. A target created in the same directory ( CMakeLists. That is why we need the custom target to run this command. It must contain only letters, numbers and underscores. As adviced in this bugreport , for set variable's value without spaces on Linux you may prepend command with "VAR=VAL" clauses. map, and *. It's usually a I am trying to install an executable using cmake. so, I suppose, but static for now). Feb 16, 2017 · What we already tried: * Setting CMAKE_INSTALL_PREFIX to a temporary directory for the subdirectory (doesn't work) * "function (install) endfunction ()" to disable the install function for the subdirectory (breaks CMake in hilarious ways) What we now do: Using a custom target, we patch the cmake_install. 建议使用 VERBATIM ，因为它可以实现正确的行为。. # targetn) Also copying dlls and executables typically is done during installation, not building (Using make - while running command make install just after make ). Mar 3, 2018 · @arrowd: Problem with non-default custom target is that its files cannot be installed: (in CMake documentation files, denoted for installation but not produced by make all, are referred as undefined behavior). OUTPUT that. make in the containing directory or its ancestors will not build the target by default. If we want to run the command after we configure the CMakeLists. Nov 29, 2014 · How do I cleanly tell CMake how to include that path to the generated header file into the include path for those source files which require it? Nov 26, 2021 · Over the decades, a lot has been written about associating a DLL with an executable and getting that DLL into install directories, or getting that DLL into ctest directories. Dec 21, 2016 · 33. ninja -j7 && ninja install. The command add_dependencies can add only dependencies between targets. txt file, create a GLOBAL property with the names of the target (s) you want to include in your installer. cmake, inside the build directory, which is used internally by the generated install target and by CPack. manually define a deploy target. This enables consumption of custom target properties that themselves contain generator expressions. txt file) that specifies any output of the custom command as a source file is given a rule to generate the file using the command at build time. make) directly. If you need to run the installation with root privileges, use the CMake Target option instead. cmake_minimum_required(VERSION 2. DEPENDS this. # On Visual Studio Generators, run before any other rules are executed within What I finally did is I put the function content into a separate CMake script and called it from within add_custom_target by invoking: COMMAND ${CMAKE_COMMAND} -P path_to_script. txt) add_custom_command(. hex, . Now I tried doing this in cmake like this. Additionally, if the target is an executable or library a file-level dependency is created to cause the custom command to re-run whenever the target is recompiled. So, you can create a CMake target that will execute a command. – TalG Jun 16, 2016 · An important aspect of the add_custom_command() is the DEPENDS section which includes the name of your special command, the one we defined in the previous step. There is a choice of when the custom command should be executed. This might not address the issue, but if you are just having trouble to select the right target to launch, then follow these instructions: Try the command: CMake: set debug target and choose the one you want. DEPENDS test-cmd. Navigate to Help/guide/importing-exporting/MyExe, create a build directory, run cmake and build and install the project. However, the command is not truly running after all of the *. e. cmake can also be used to View Help. Feb 11, 2024 · In the main menu, go to Run | Edit Configurations and select a CMake Application or a test configuration to edit. These are typically executables that you run to do different things. 如果 May 10, 2013 · I want to provide the facility to OPTIONALLY have the library installed system-wide (or wherever $ {CMAKE_INSTALL_PREFIX} is set). I decided t The normal way to use CMake is to create a build directory outside your project and all compiled binaries are put there. a files and then try to collect them into a . In the meantime, here's my workaround: COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:exe> $<TARGET_RUNTIME_DLLS:exe> $<TARGET_FILE_DIR:exe>. When you are finished developing and want to install some binaries into your system then you call make install. c:/Program Files/${PROJECT_NAME} on Windows. Hence, the real question is, how can I run another target from within an add_custom_target block? Feb 8, 2012 · I am compelled to use an older cmake version 2. cmake script. txt --produce that. Each executable and library described in the CMake files is a build target, and the buildsystem may describe custom targets, either for internal use, or for user consumption, for example to create documentation. The directory <dir> is relative to the installation prefix, which is stored in the variable CMAKE_INSTALL_PREFIX. For example: Oct 12, 2016 · The CMake generated VS INSTALL target is linked to CMake's install() command. cmake" WORKING_DIRECTORY "${CMAKE_BINARY_DIR Oct 25, 2019 · How can we do that? The add_custom_target CMake macro. Here an example: I want to install one executable that depend on two libraries of my cmake and one 3rdparty (pre-compiled). wsdl2h -o outfile. json with this content: {. If this target property is not set then the target Sep 13, 2010 · In the add_custom_command() command (which adds a custom build rule to the generated build system), and the add_custom_target() command (which adds a target with no output so it will always be built), you specify the commands to execute at build time. $ mkdir build. For instance if you have a CMake script MyScript. Use the TARGETS form to install targets built within the project. proto) Packaging With CPack. – Alec Jacobson. CMake provides some built-in targets for all buildsystems providing CMake files. Do not list the output in more than one independent target that may build in parallel Create rules to install the listed targets into the given directory. If you want COMMAND to execute once, use add_custom_command instead. a. USES_TERMINAL. New in version 3. Nov 21, 2015 · This is useful for performing an operation before or after building the target. proto) protobuf_generate_python(FOO_PY foo. com Tue Jul 25 12:11:45 EDT 2017. Invoking CMake with -P flag makes it act as a scripting language. CMake's install command allows for custom scripts. . 6) add_custom_command(. The command add_custom_command cannot be executed without generating any target. Now let us consider a simple custom command for A CMake-based buildsystem is organized as a set of high-level logical targets. The problem is that the GENERATED file property (that CMake uses to determine if it needs to check that a file exists at configure time) is not visible outside the directory in which the file is generated. If the target is already built, the command will not execute. add_custom_command (TARGET bar. If excluded, running e. so dependency point to the list of custom command outputs, the makefile says "No rule Before calling add_subdirectory in your root CMakeLists. Previous message: [CMake] [cmake-developers] Signing of DEB and RPM packages Next message: [CMake] Kitware is hiring Messages sorted by: The target is the name of a CMake target (executable, library, or custom) to which you want to add the custom command. So, the target is built whenever CMake is run. COMMAND ${CMAKE_COMMAND} -E echo "BTest". Jul 25, 2015 · CMAKE: a custom target to install at different location. If make install is invoked or INSTALL is built, this directory is prepended onto all install directories. Reference files and outputs of custom commands created with add_custom_command() command calls in the same directory ( CMakeLists. If 'header. define EDV_INCLUDE_FILES),. My real problem here is: how to install the executable and its dependencies. cpp PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/foo. 8, I need my custom command to run only after my newly built . . When you enter make install it copies the docs subdirectory to Packaging With CPack. txt file: cmake_minimum_required(VERSION 3. Changed in version 3. 29: If the CMAKE_INSTALL_PREFIX environment variable is set, its value is used as default for this variable. Jul 3, 2019 · You will need to model this with target dependencies. Click in the Before launch area and select Install: tip. $ cd Help/guide/importing-exporting/MyExe. There is no way to add dependencies from the files afterwards. --target package WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" COMMENT "Building package" DEPENDS stuff_required_for_package VERBATIM ) execute_process runs commands while CMake is configuring the project, prior to build system generation. From the Linux command-line, it works like this: Nov 6, 2014 · I guess I should create two add_custom_target blocks, one for each possible value, do all the work there and finally call the target that compiles everything. dll (fmod if you need a concrete example), which is linked against through a low-level Apr 8, 2024 · Run installation before launch. /include folder, all you need to do is:. What's more, it can only execute at the configure time. This takes an input wsdl file and creates a corresponding outfile. CMake: configuring CMake with multiple directories. 当未给出 VERBATIM 时，该行为是特定于平台的，因为没有对特定于工具的特殊字符的保护。. Something that may be of particular use is to run Doxygen to generate documentation for your project. This is explained here. I'm currently trying to setup CMake to automatically generate my Doxygen documentation. According to docs, a custom target is "always considered out of date". Nov 9, 2016 · You can create custom target which will run install and some other script after. In the main menu, go to Run | Edit Configurations and select the configuration to which you want to add the installation step. config. Oct 12, 2016 · I am using cmake to generate solutions for visual studio and it worked very well. It’s this “extra Nov 7, 2017 · 4,123 27 46. Jul 6, 2012 · Only install something in CMake if custom target is built. Content of expr evaluated as a generator expression in the context of tgt target. It allows you to define arbitrary commands that will be executed during the build process. To install all headers present in the . hpp> ) This allows me to successfully build the library. They will be brought up to date when the target is built. wsdl. It works fine in when you enter make docs it generates the documentation in PROJECT_BINARY_DIR/docs. We have a “main” library (made by Fortran) here which works just fine, called libFVdycoreCubed_GridComp. Within those functions check if the target is present in the global property, and invoke install @Art Stuurman There are all, clean, install targets and a separate target for every CMake target (every lib, every executable). This defines a command to generate specified OUTPUT file (s). The command and arguments are optional and if not execute_process runs commands while CMake is configuring the project, prior to build system generation. cmake: add_custom_target( MyInstall COMMAND "${CMAKE_COMMAND}" --build . As the documentation says, this macro "Adds a target with the given name that executes the given commands ". But documentation files are usually intended for installation. So instead of make install -j && ctest only make check -j could be needed (supported by custom defined target that DEPENDS on install): 6. # On Visual Studio Generators, run before any other rules are executed within Feb 21, 2020 · Use the TARGETS form to install targets built within the project. You can also create a custom target to run when you want to perform a particular task. A child process command line. Otherwise, by default, the project's final build products will be linked statically to the library, and the former get installed, but the library binaries stay in the build directory. To enter a command got to Menu > View > Command Palette or use shortcut Shift + Ctrl + P. See the official documentation: install - Custom Installation Logic: install([[SCRIPT <file>] [CODE <code>]] [COMPONENT <component>] []) The SCRIPT form will invoke the given CMake script files during installation. 20. zaufi at gmail. h) used as a source file in another CMake target (i. a call to the add_executable(), add_library(), or add_custom_target() command that has already been invoked (in any directory). If you need to create a list of targets you want to build together, you can define a custom target: add_custom_target(<<collective target name>> DEPENDS <<list of targets>>) This will not be included in the target all. hpp> $<INSTALL_INTERFACE:foo. Dec 8, 2022 · CMake's INTERFACE library target behaves like a "normal" library target in many ways. target1. The tool "generator" should be a cmake target. As a pre-build step, I must copy multiple header files from a source directory to a destination directory. Mar 9, 2015 · CMAKE: a custom target to install at different location. OUTPUT vsphere. 1 day ago · The underlying build tool can be invoked directly, of course, but the --build option is portable. 3. You can specify as many commands as you want for a custom command. So you have to tell CMake what you like to install trough the install() command. txt file). Feb 8, 2012 · There are three ways you can use the install command in CMake: Install an executable. k. Normally its also only there if in your code you have an install() call somewhere. First, replace the add_subdirectory by a find_package and a link: find_package(OpenSSL REQUIRED) target_link_libraries(Nabla PUBLIC OpenSSL::SSL OpenSSL::Crypto) Create vcpkg. Create a directory by executing the command ${CMAKE_COMMAND} -E make_directory. Dependencies between the targets are expressed in the buildsystem to determine the build order and the rules for regeneration in response to change. I noted that as part of build, it also generate a target called install on visual studio, supposedly to install the May 27, 2017 · Using Cmake v3. This is wasteful and silly but makes sure that if the *DLLS is an empty string it's still a valid command. The target "all" is still available (and it is still the default target). cpp) This creates an “executable” target with the name myexample. Jan 27, 2017 · Ah yes following the How to add_custom_target that depends on "make install" question, this seems to work:. Try e. Or have a look into the generated Makefile. h vim25/vim. CMake: An Overview add_custom_command (): Defining Custom Build Steps. tj pz te oy jc tz mt ec jk dm