Without custom flags or scripts one may set theĬMAKE_TRY_COMPILE_TARGET_TYPE variable to STATIC_LIBRARY to For toolchains that do not support linking binaries CMAKE_COMPILER variable may be set to full paths, or to names of compilers to search for The CMAKE_INSTALL_PREFIX is always the runtime installation It may be used to specify a path on the host to install CMAKE_SYSROOT is optional, and may be specified if a sysroot is available. CMAKE_SYSTEM_PROCESSOR is the CMake-identifier of the target architecture. Cross Compiling for LinuxĪ typical cross-compiling toolchain for Linux has content suchĬMAKE_SYSTEM_NAME is the CMake-identifier of the target platform to build for. Paths inside a toolchain file, the more appropriate variable to use would beĬMAKE_CURRENT_LIST_DIR, since it always has an unambiguous, In most cases, where there is a need to evaluate Have different values when used in different places (e.g. The toolchain file is used in contexts where these variables Set to true when CMake is cross-compiling.ĬMAKE_BINARY_DIR variables inside a toolchain file is typically DCMAKE_TOOLCHAIN_FILE=path/to/file, the file will be loaded early to If cmake(1) is invoked with the command line parameter Target properties add flags for hidden visibility, if supported by the _VISIBILITY_PRESET and VISIBILITY_INLINES_HIDDEN For example, POSITION_INDEPENDENT_CODEĪllows specifying that a target should be built as position-independentĬode, if the compiler supports that feature. Some toolchain features have built-in handling in CMake, and do Result so that the test does not have to be performed again the next time These APIs test the toolchain in some way and cache the Such as CheckSourceCompiles, CheckCXXSymbolExists andĬheckIncludeFile to test capability and availability of various TOOLCHAIN FEATURESĬMake provides the try_compile() command and wrapper macros Overridden with the LINKER_LANGUAGE target property. Of the target, and in the case of static libraries, the This is determined by the LANGUAGE property of source files That will be added to the compile command when compiling a file of aĬMake needs a way to determine which compiler to use to invoke the CMAKE_FLAGS The variables and the configuration-specific equivalents contain flags CMAKE_COMPILER The full path to the compiler used for CMAKE_COMPILER_ID The compiler identifier used by CMake CMAKE_COMPILER_VERSION The version of the compiler.
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