A string of flags to use when building executables against the library. I'd to read CMake: set_target_properties fails with target defined by generator expression to realize why. A list of definitions to use when building against the library. CMAKESYSTEMNAME is what I’d use in CMake code, PLATFORMID is needed in generator expressions. C compiler to be used for compilation (default: system specific, gcc on Linux) CMAKECXXCOMPILER. Excerpt of a moderators reply on official forum. ![]() For example target_link_libraries's documentation calls it out while set_target_properties doesn't. Some common CMake variables CMAKECCOMPILER. CMAKEMAKEPROGRAM Tool that can launch the native build system. Use PLATFORM_ID: target_link_libraries(TARGET_NAME PRIVATEĪside: Generator expressions can only be used if the manual calls it out. CMAKEMAJORVERSION First version number component of the CMAKEVERSION variable. ![]() If (CMAKE_SYSTEM_NAME IN_LIST OPENGL_PLATFORMS) Use STREQUAL: if (CMAKE_SYSTEM_NAME STREQUAL "Linux")Ĭreate a list variable and use IN_LIST: set(OPENGL_PLATFORMS Linux Windows) What possible values can CMAKE_SYSTEM_NAME or PLAFORM_ID take? Refer the source. variables are “soft” deprecated CMAKE_SYSTEM_NAME is what I’d use in CMake code, PLATFORM_ID is needed in generator expressions. Excerpt of a moderator's reply on official forum: semicolons delimiters and therefore the quotation-marks are important. Set ($ bioutils wsock32)Īvoid using WIN32, APPLE, etc. cmake global variables You can define a variable inside a triplet and it will be. My Problem is: How do I instruct CMAKE to avoid linking wsock32 library in Linux OS? However, as expected, in Linux, the /usr/bin/ld will look for -lwsock32 which is NOT there on the Linux OS. In windows this works and I get the results. The problem is clearly with target_link_libraries() function of CMAKE where I am linking libwsock32.a. It is only different when a different version of CMake is run on a previously created cache file. This stores the major version of CMake used to write a CMake cache file. Most, but not all of them begin with the CMAKE prefix. CMAKECACHEMAJORVERSION¶ Major version of CMake used to create the CMakeCache.txt file. Or really, that the expression language is exclusively string literals, variable lookup, and concatenation. ![]() The real complaint is twofold: (1) there isn’t a single function return mechanism and (2) function application is not an expression. semicolons delimiters and therefore the quotation-marks are important. The total number of global variables exposed by CMake is rather large. Of course CMake functions can return values (via set (. Below is a simple cmake file which works well in mingw environment windows. cmake global variables When writing CMake scripts there is a lot you need to know. The macro also sets MY_PROGRAM_VERSION_COUNT to the number of version components and MY_PROGRAM_VERSION_TWEAK if the version number has 4 components (e.g., "2.5.1.I am a beginner to CMAKE. Well show you how APIs are becoming more extensible and expressive with features like parameter packs and macros. I have made the code of CMakeLists.txt more complicated with use of output redirects involving & (like &>) which conflicts with use of VERBATIM flag which is important to make variable quoting work. Setup_package_version_variables(MY_PROGRAM) How to use variable PARAMS and still make the input for the external command to consist of two arguments UPDATE. ![]() The macro can be invoked in the following way: set(MY_PROGRAM_VERSION "2.5.1") String (REGEX MATCHALL "+" _versionComponents "$) You can use the following helper function to automatically have the version component variables set up: macro (setup_package_version_variables _packageName)
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