Cmake generator expression option 2. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Oct 1, 2018 · Code readability-wise, generator expressions are an unfortunate addition to the CMake language. This can be fixed by expressly including first and last quotes: The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. I tried escaping the characters with backslashes such as -M\<\> or with quotes like -M'<>' or '"-M'<>'"` but it didn't work. Path Comparisons This property is initialized by the LINK_OPTIONS directory property when a target is created, and is used by the generators to set the options for the compiler. $<TARGET_GENEX_EVAL:tgt,expr> Content of expr evaluated as a generator expression in the context of tgt target. $<COMPILE_LANGUAGE:languages> 1 when the language used for compilation unit matches any of the entries in languages, otherwise 0. Apr 3, 2022 · I am using a cmake generator expression to read a target property. . Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same The add_compile_options() command does take generator expressions: Change default value of CMAKE_CXX_FLAGS_DEBUG and friends in CMake; CMake generator expression Aug 27, 2020 · # GCC options add_compile_options($<$<CXX_COMPILER_ID:GNU>:-fmax-errors=1>) # clang options add_compile_options($<$<CXX_COMPILER_ID:AppleClang>:-ferror-limit=2,-Werror=unused-private-field>) However, It seems to be impossible to add multiple options at the same time; i have tried with commas, spaces, quote-enclosing the options. refers to the fact of not mentioning the ability of generator expressions in the official doc of set() while on other commands like target_compile_definitions() the ability to use generator expressions is mentioned explicitly. The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. The software is multi platform, covering Windows, Android, Linux, Apple (mac/ios/tvos), just to Generator expressions are allowed in the context of many target properties, such as LINK_LIBRARIES, INCLUDE_DIRECTORIES, COMPILE_DEFINITIONS and others. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Oct 5, 2021 · configure stage cmake -S . ) I tried various approaches but either it works for ASM files or C files. Compares the lexical representations of two paths. For all generator expressions in this section, paths are expected to be in cmake-style format. " – This would expand to /opt/include/GNU, /opt/include/Clang, etc. c bar. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same The documentation for conditional generator expressions (which includes those using IF) says: $<IF:condition,true_string,false_string> Evaluates to true_string if condition is 1. /source (without -G) the default generator is used. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Generator expressions are allowed in the context of many target properties, such as LINK_LIBRARIES, INCLUDE_DIRECTORIES, COMPILE_DEFINITIONS and others. Generate time occurs after all CMake code is parsed and processed, and CMake is starting to act on the data therein to produce buildsystem files. CMake Generators are platform-specific so each may be available only on certain platforms. etc. CMake generator expressions are special expressions that are evaluated during the generate step of CMake. I want, jus The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. For example: This enables consumption of generator expressions whose evaluation results itself in generator expressions. 8) to avoid “spurious” semi-colons in the result Your example reworked: Set (args foo bar) add_custom_target(foo) add_custom_command(TARGET foo POST_BUILD The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. As far as I can judge it works as expected, for example: target_link_options(${t… This means CMAKE_<LANG>_LINK_GROUP_USING_<FEATURE>_SUPPORTED cannot be true for the link language used by the target for which the LINK_GROUP generator expression is evaluated. Most probably other boolean-valued generator expressions. Aug 27, 2014 · The solution is to use the COMPILE_LANGUAGE generator expression (introduced with CMake 3. contents:: Introduction ===== Generator expressions are evaluated during build system generation to produce: information specific to each build configuration. Oct 24, 2024 · I would like to write a generator expression which takes a list of targets, and retrieves a target property for each one producing a list of values. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Step 10: Adding Generator Expressions¶ Generator expressions are evaluated during build system generation to produce information specific to each build configuration. The <condition> must evaluate to either '0' or '1'. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jun 30, 2021 · Sorry this is a bit basic but how do I use a generator expression in target_sources, to conditionally add some source files? Here is what I need to do: The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Dec 25, 2020 · Where HEADER_INCLUDE_PATHS is following generator expression: $<1:-I$<JOIN:$<TARGET_PROPERTY:Some_Target,INTERFACE_INCLUDE_DIRECTORIES>, -I>> Just because the INTERFACE_INCLUDE_DIRECTORIES of Some_Target is received as generator expression. See Also¶. Oct 27, 2021 · Hi, I’m setting up my first project with CMake and am struggling with compile options specific to the armasm. Generator expression in configure_file. build stage cmake --build _build or cd _build && make etc. -B _build or cd _build && cmake . Dec 28, 2015 · That's a CMake generator expression. Oct 30, 2024 · But in this case, you shouldn’t be using spaces, as CMake expects separate flags to be semicolon-separated. The main advantage of generator expressions in comparison with the old way of CMake is the support of Multi-Config generators where different builds Debug, Release, and so on coexist cmake-generator-expressions(7) Introduction Boolean Generator Expressions Logical Operators String Comparisons Variable Queries String-Valued Generator Expressions Escaped Characters Conditional Expressions String Transformations Variable Queries Target-Dependent Queries Output-Related Expressions Debugging Introduction Generator expressions are evaluated during build system generation to Dec 11, 2016 · This makes some things confusing; for example, one could use the option command to get an input from the user in the configuration phase, and then try to use its value within a generator expression; however, in this case, cmake would complain if the value is not 1 or 0. Mar 29, 2021 · Yet another post in “Matt tries to learn Effective CMake”. Expanding a variable, #cmakedefine Sep 3, 2018 · AFAIK, you cannot do that with generator expressions (no way to query that aspect according to doc), since BUILD_SHARED_LIBS is there for exactly that reason; to allow you to select its value during configuration (using the -D command line option). Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Apr 23, 2018 · And apply the following advices for correct result: * Separate command from args * Use variable to list your arguments and add option COMMAND_EXPAND_LISTS (available with version 3. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Oct 23, 2020 · $<>indicates a “generator expression” and is expanded after configure while CMake is writing out the build rules. txt. The simplest example for your original C++1x flag is: add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-std=c++11>) When you have a string of compile options (for example, for usage with the COMPILE_FLAGS target property), you have to split the flags Dec 21, 2015 · Cmake's generator expressions allow me to use logical expressions within certain function calls. 5. rymcu 致力于打造一个即严谨又活泼、专业又不失有趣，为数百万人服务的开源嵌入式知识学习交流平台。 Nov 29, 2022 · Hi, I am using an interface library with generator expressions to set specific options that can be consumed by several projects of mine. In short, it's a piece of text which CMake will evaluate at generate time (when it's done parsing all CMakeLists and is generating the buildsystem); it can evaluate to a different value for each configuration. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Aug 30, 2017 · I've read multiple times, that one should not manually set CMAKE_CXX_FLAGS - First time hear about that. Moreover, different CMake command flows or different options have different policy about using of generator expressions. 1 I’m not sure if I’m encountering some sort of quoting issue, or if this is a defect with the tool. Single-Config Generators. This expression may be used to specify compile options, compile definitions, and include directories for source files of a particular language in a target. These expressions are typically used in CMake commands to allow for context-specific decisions, such as setting properties, linking libraries, or generating files. I’m using cmake version 3. The <condition>, <output_file> and <input_file> may also contain generator expressions. 15. e. Introduction ¶. This would expand to /opt/include/GNU, /opt/include/Clang, etc. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jan 28, 2015 · I am generating a visual studio solution using cmake. Sep 13, 2017 · Otherwise, empty string is used. So I have (simplified): target_link_li… Jan 14, 2020 · In modern CMake, manually manipulating the CMAKE_<LANG>_FLAGS_<CONFIG> variables is often discouraged. s and . I'm using the following command to set compile options to my main target. Getting Started¶ Open the file Step4/CMakeLists. The libraries involved in a group can be specified using the LINK_LIBRARY generator expression. That is, without generator expressions correct usage would Generator expressions are allowed in the context of many target properties, such as LINK_LIBRARIES, INCLUDE_DIRECTORIES, COMPILE_DEFINITIONS and others. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same $<COMPILE_LANGUAGE:languages> 1 when the language used for compilation unit matches any of the entries in languages, otherwise 0. Contribute to Kitware/CMake development by creating an account on GitHub. The file is written at CMake generate-time and the input may contain generator expressions. . Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. Usefullness of this kind of expression is: when value of the left generator expressions depends on configuration option, and build system supports multiconfiguration (e. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jul 7, 2022 · If I don’t wrap the generator expressions in quotes, the output literally contains the generator expressions. exe we’re using in the company. Generator expressions are allowed in the context of many target The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. Generate Files. Versions before only accepted a single configuration argument to the generator expression. So, your condition itself must be a boolean generator cmake-generator-expressions(7) cmake_minimum_required() set() target_compile_options() Files to Edit¶ CMakeLists. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same This would expand to /opt/include/GNU, /opt/include/Clang, etc. To compare it in CMake, compare it in $<COMPILE_LANGUAGE:languages> ¶ 1 when the language used for compilation unit matches any of the entries in languages, otherwise 0. Arguments to add_compile_options may use “generator expressions” with the syntax $<>. add_compile_options($<$<CONFIG:Debug>:/MTd>) If CONFIG equals "Debug", this will call add_compile_options with the value "/MTd", otherwise with an empty string. New lines and spaces all treated as argument separators, so the generator expression is split and not recognized correctly [] Again, use helper variables with well-chosen names to build up a readable expression instead. only:: html. txt, then in the very first run of cmake . The problem is I want the option to default to the LOGICAL NOT of the variable. The cmake(1) command-line tool --help output lists available generators on the current platform. The cmake-gui(1) offers interactive selection of a generator when creating a new build tree. txt file, we need to set the cmake_minimum_required() to 3. Generator expressions are allowed in the context of many target properties, such as LINK_LIBRARIES, INCLUDE_DIRECTORIES, COMPILE_DEFINITIONS and others. Host And Device Specific Link Options¶ This would expand to /opt/include/GNU, /opt/include/Clang, etc. The goal is to get the following command line (stripped down) for assembly files: armasm. May 4, 2023 · I fail to understand. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jul 11, 2018 · As the CMake documentation states the file (GENERATE ) command can use generator expressions which are evaluated by the generator. 19. Generator expressions are allowed in the context of many target properties, Mar 1, 2021 · Most generator-expressions in the wild will contain a conditional component. First you build an executable in the typical fashion but is partially linked, then after processing the OS settings a . all the more reason what they wrote should be working In case you are using single-config generator without specifying CMAKE_BUILD_TYPE, then $<CONFIG> is empty, which (I guessed correctly considered accepted) is presented by OPs Linux case. 24 adds an official way to do this using the LINK_LIBRARY:WHOLE_ARCHIVE generator expression: add_library(lib1 STATIC ) add_library(lib2 ) target_link_libraries(lib2 PRIVATE "$<LINK_LIBRARY:WHOLE_ARCHIVE,lib1>") That being said, using object libraries is usually an easier solution. cpp) target_compile_options(myapp PRIVATE $<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions> ) This generator expression has limited use because it is not possible to use it with the Visual Studio generators. Host And Device Specific Link Options¶ The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. 1. 23. Essentially a meta build to build the project and all of its dependencies via the single cmake generate and build command. Generator expressions are evaluated during build system generation to produce information specific to each build configuration. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jul 9, 2022 · On the other hand, if the generator expression for the compile options is this: "$<JOIN:$<TARGET_PROPERTY:Tutorial,COMPILE_OPTIONS>, >" Then, the result is this where the outer quotes are retained. I use it in other places, but nowhere around here. For example: Feb 3, 2021 · Handling multiple configs in the $<CONFIG:cfg> generator expression has been introduced only recently with CMake 3. The same applies to boolean variables stored in CMake's cache. Nov 27, 2020 · Using cmake options in generator expressions. depending on the C++ compiler used. Each possible usage of generator expressions is explicitely described in documentation for specific command. /source afterwards, it will use the generator as specified in the CMAKE_GENERATOR variable in the Jan 13, 2016 · I thought generator expressions would allow me to do this, but they don't appear to be working the way I expected. 20. First, in the top level CMakeLists. support. cpp foo. However, for adding preprocessor definitions and include directories it is recommended to use the more specific commands add_compile_definitions() and include_directo The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. CMake: How to set a generator expression based on an option (and compiler/build configuration) 1. This is fairly typical strategy when dealing with ARINC-653 embedded OS. This is due to the fact that generator-expressions can replace if-else statements in properties context. g. Typically, the condition is a boolean generator expression. This enables consumption of custom target properties that themselves contain generator expressions. Path Comparisons $<PATH_EQUAL:path1,path2> New in version 3. The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. The OPs CMake configuration of CMAKE_BUILD_TYPE on Linux is empty, because $<CONFIG> evaluates to nothing. 9. Cmake generator expression command. – set(CMAKE_GENERATOR "Ninja" CACHE INTERNAL "" FORCE) in CMakeLists. I just grepped the entire project and the only places I see it don’t use a colon. path=$<TARGET_PROPERTY:ktx-jni,LIBRARY_OUTPUT_DIRECTORY> ) LIBRARY_OUTPUT_DIRECTORY is itself defined using a generator expression The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. Introduction. Aug 23, 2020 · Using cmake options in generator expressions. But cmake adds escape chars before spaces, and gcc fails due to these extra chars. If I quote the generator expressions, they evaluate, but then the output also has quotes around it! $<COMPILE_LANGUAGE:languages> 1 when the language used for compilation unit matches any of the entries in languages, otherwise 0. Apr 13, 2023 · Good thinking on the LIST_SEPARATOR. cmake-generator-expressions(7) Introduction Boolean Generator Expressions Logical Operators String Comparisons Variable Queries String-Valued Generator Expressions Escaped Characters Conditional Expressions String Transformations Variable Queries Target-Dependent Queries Output-Related Expressions Debugging Introduction Generator expressions are evaluated during build system generation to Content of expr evaluated as a generator expression in the context of tgt target. Generator expressions $<suff> are expanded when building the project. The CMAKE_<LANG>_LINK_GROUP_USING_<FEATURE> variable should be defined instead for features that are dependent on the link language. Use its -G option to specify the generator for a new build tree. For instance, if I want to add the /MTd compiler flag in Debug mode, I can say. 0) project(c ここで、compile_options()コマンドは、ディレクトリプロパティのCOMPILE_OPTIONSを設定するコマンドなのに、なぜターゲットプロパティでしか利用できない Generator Expressions が使えるのか、という疑問があります。 Mar 20, 2019 · The documentation states that STATIC_LIBRARY_OPTIONS supports generator expressions: Contents of STATIC_LIBRARY_OPTIONS may use “generator expressions” with the syntax $<>. They may also be used when using commands to populate those properties, such as target_link_libraries() , target_include_directories() , target_compile_definitions() and others. Both the expressions appear to always evaluate true as --debug and -Oh are passed to compiler no matter what CMAKE_BUILD_TYPE is set to. ${} indicates a variable expansion which occurs during configuration, so ${foo$<CONFIG>} is not something that can be done as you would expect (even if the syntax were valid). Jul 16, 2018 · Using cmake options in generator expressions. txt and complete TODO 1 through TODO 4. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Sep 2, 2021 · Using cmake options in generator expressions. Generator expressions are allowed in the context of many target Generator expressions are allowed in the context of many target properties, such as LINK_LIBRARIES, INCLUDE_DIRECTORIES, COMPILE_DEFINITIONS and others. Is there a way to do this? I can’t see an obvious way. This will work only if you do not set the library type explicitly as in your code, but like this Feb 21, 2018 · Unlike to CMAKE_CXX_FLAGS variable, which contains single string with options, separated by space, command add_compile_options accepts separated arguments for every option. expression generator in list - Usage - CMake Discourse Loading . I thought of one very tricky way to do this using $<GENEX_EVAL:expr>: $<GENEX_EVAL:$<LIST:TRANSFORM,${targets},REPLACE,(. Having the capability to evaluate generator expressions is very useful when you want to manage custom properties supporting generator expressions. For example, command flow Generator Expression for Default Option Value I have an boolean variable, which I want to initialise an option from. 3. set_tests_properties( Java-wrapper PROPERTIES ENVIRONMENT _JAVA_OPTIONS=-Djava. Visual Studio), then such expression cannot be rewritten with if, as concrete configuration isn't known at this stage. You can let CMake generate files with custom code directly without the workaround of a configure_file command. Host And Device Specific Link Options¶ Mirror of CMake upstream repository. To set per-language options, use the $<COMPILE_LANGUAGE> or $<COMPILE_LANGUAGE:languages> generator expressions. The $<PATH:CMAKE_PATH> generator expression can be used to convert a native path to a cmake-style one. They are not expanded inside CMake scripts. Jan 25, 2024 · In my CMake project I’m trying to build an executable that is partially linked and then goes through a secondary link step later in the build process. In this exercise we are going to use a Content of expr evaluated as a generator expression in the context of tgt target. For example, to specify the use of the -fno-exceptions compile option (compiler id checks elided): add_executable(myapp main. Jan 27, 2021 · What’s the best way to set compiler flags for all objects compiled with a given language? Basically, I’d like to use add_compile_options to set flags for a specific language. See the cmake-generator-expressions(7) manual for available expressions. See the cmake-buildsystem(7) manual for more on defining buildsystem properties. o is created, the executable is relinked Dec 17, 2020 · The last option for the assembler requires the use of <> but this understandably causes CMake a problem because > indicates the end of a generator expression. And now I want to generate pdb files for a Release build. You can follow the link for a full discussion of what these are and what they can do. Only then does it have all the information necessary to evaluate generator expressions. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Feb 4, 2024 · Note: I know that I can manually set per-file compilation options using set_source_files_properties. The variable CMAKE_GENERATOR is stored in the cache, though. Otherwise evaluates to false_string. +),$<DOLLAR>$<ANGLE-L>TARGET_PROPERTY:\\\\1$<COMMA>${prop}$<ANGLE-R Arguments to target_link_options may use generator expressions with the syntax $<>. If you quoted the generator expressions as is, you’d end up with a compiler command line that escaped the spaces, making gcc see a single command-line option like -march=native\ -mtune=native, which won’t work. This command can be used to add any options. CMAKE_SYSTEM_NAME 変数も参照してください。 $<PLATFORM_ID:platform_ids> CMake のプラットフォーム ID がコンマ区切りリスト platform_ids のいずれかのエントリと一致する場合は 1 、それ以外の場合は 0 。 CMAKE_SYSTEM_NAME 変数も参照してください。 Compiler Version Step 10: Adding Generator Expressions¶ Generator expressions are evaluated during build system generation to produce information specific to each build configuration. Contents of LINK_OPTIONS may use "generator expressions" with the syntax $<>. For example target_link_libraries 's documentation calls it out while set_target_properties doesn't. In this exercise we are going to use a Feb 29, 2016 · Note, that not every CMake command accepts generator expressions. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Oct 18, 2021 · cmake-genex can be used to conditionally link libraries based on information only available at CMake build-time: Example 1: Using one genex per lib cmake_minimum_required(VERSION 3. Feb 8, 2012 · The output is generated conditionally based on the content of the <condition>. "/DC=1 /DD=2" Neither are what I need - which is each option quoted separately. That way the list of compiled object files from cmake-generator-expressions(7) cmake_minimum_required() set() target_compile_options() Files to Edit¶ CMakeLists. For them, however, $<BOOL:$<expr>> is equivalent to $<expr> , so what could be the purpose? To upload designs, you'll need to enable LFS and have an admin enable hashed storage. exe --pd "__UVISION_VERSION SETA 536" --pd "STM32F427xx SETA 1" (etc. cmake-generator-expressions(7) cmake_minimum_required() set() target_compile_options() Files to Edit¶ CMakeLists. How to use condition in cmake generator expression. For CMake script, when configuring the project, it's just text. Feb 6, 2012 · Aside: Generator expressions can only be used if the manual calls it out. : set (_runB2GenEx "$<BOOL:${ENABLE_TESTING}>") ExternalProject_Add(example The LINK_GROUP generator expression is compatible with the LINK_LIBRARY generator expression. A conditional expression boils down to the following form: $<condition:value-if-true> Where the condition is an arbitrary expression evaluated to 0 or 1. Option De-duplication¶ The final set of options used for a target is constructed by accumulating options from the current target and the usage requirements of its dependencies. cmake-manual-description: CMake Generator Expressions: cmake-generator-expressions(7) *****. CMake 3. While setting cached version of this variable in the project could be inconvinient for the user (but useful in some cases), there is nothing wrong in appending flags to non-cached variable. Dec 16, 2022 · I’m having trouble adding a generator expression that wraps a list to the STATIC_LIBRARY_OPTIONS property for Windows Visual Studios 2017. 3). library. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Arguments to target_link_options may use generator expressions with the syntax $<>. SHELL: in For example, to specify the use of the -fno-exceptions compile option (compiler id checks elided): add_executable(myapp main. It is better to set these using add_compile_options() and add_compile_definitions(), and you can use generator expressions to control which options apply to the Debug or Release configurations. 24. (Why? because I want to have the symbols in case that the user found some bug) I tri Evaluation of generator expressions happens at generate time (that's why they are called "generator expressions"). Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jul 7, 2016 · I'm trying to persuade cmake to add a custom target which builds a precompiled header on Visual Studio (note: please do not suggest I used a custom build step instead, I specifically need a build t Jul 6, 2021 · Read the docs: "A common mistake is to try to split a generator expression across multiple lines with indenting. 4. I'd to read CMake: set_target_properties fails with target defined by generator expression to realize why. In scenarios like yours where generator expression cannot be avoided, I use a regular CMake variable to avoid code duplication, i. So if you rerun cmake . In this exercise we are going to use a . But I do not want to manually set the option for each individual source file myself. Each target or external library involved in the link step is allowed to be part of multiple groups, but only if all the groups involved specify the same Jul 4, 2022 · Looking for potential info on how to handle the following case I help maintain a piece of software, and im trying to bring our dependency building into the main cmake project. Arguments to target_link_options may use generator expressions with the syntax $<>. This time, it’s generator expressions! So, I have a code where we want to link in a library only if an option() is true. For single-config generators like Makefiles you can use: Introduction ¶. lsw enxwnf lpcy rxkcjj grekrd rvkoz itvnkj cwxfcodq ifo kmfwk

Cmake generator expression option. First, in the top level CMakeLists.