![]() ![]() The option may be repeated for as many cache entries as desired. This option may be used to specify a setting that takes priority over the project's default value. When cmake is first run in an empty build tree, it creates a CMakeCache.txt file and populates it with customizable settings for the project. The given file should be a CMake script containing SET commands that use the CACHE option, not a cache-format file. The loaded entries take priority over the project's default values. This option may be used to specify a file from which to load cache entries before the first pass through the project's cmake listfiles. -C : Pre-load a script to populate the cache.Users build a project by using CMake to generate a build system for a native tool on their platform. Projects specify their build process with platform-independent CMake listfiles included in each directory of a source tree with the name CMakeLists.txt. The -i option will cause cmake to interactively prompt for such settings.ĬMake is a cross-platform build system generator. Project configuration settings may be specified on the command line with the -D option. It may be used to configure projects in scripts. The "cmake" executable is the CMake command-line interface. Name cmake - Cross-Platform Makefile Generator. See the main CMake Documentation index for newer versions. I think internal variables, Makefile-rules and CMake-functions are good start for the comparison, good luck with more digging.This is not the latest CMake version. If somehow we need to compile it with some debug flag, we can invoke the make like, make CXXFLAGS=NDEBUG It is possible to add some configurable option using the option function. And finally we can select a config like the following, cmake -build. It is possible to do more trick writing custom functions. Normally it is possible to generate some config.h file just like auto-config tools by using configure_file function. (though Makefile is not dependent of auto-config tools) CMake configure/tweek Note this lines above can be generated from auto-gen tools or pkg-config. We can add include and libraries by adding lines like the following, INCLUDES += -Imyincludes Vs adding include and library path in Make My plain CMakeLists.txt will look like the following, cmake_minimum_required(VERSION 2.8)Īdd_executable(testapp $) While Make is flexible tool for rules and recipe, CMake is a layer of abstraction that also adds the configuration feature. ![]() If it is not then adding to the reply of I am trying to make it simple by hiding the details. If this question is about a sample Makefile output of the CMakeList.txt file then please check the cmake-backend sources and generate one such Makefile. ![]() Sources and build instructions are available at. Second, you perform the actual build in the selected build system. The build system can be passed to CMake as a parameter however, CMake makes reasonable default choices depending on your system configuration. make on Unixes or VC++ or MinGW + Msys on Windows). This creates a Makefile or something equivalent, depending on the build system of your choice (e.g. $(CC) $(CFLAGS) $(INCDIR) $ in your build directory or by running some GUI client). $(CPP) -shared mydynlib.o -o libmydynlib.so $(CC) main.o $(PROGOBJS) $(LIBDIR) $(LIBS) -o prog Prog: main.o $(PROGOBJS) mystatlib mydynlib Makefile by default builds a release target, but offers also a debug target: #Makefile The library libstuff.a in stuff/lib and its header in stuff/include. prog is linked against libmystatlib.aĪnd libmydynlib.so which are both also built from source. The following Makefile builds an executable named prog from the sources ![]()
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