Trace that to cmMakefile.cxx's cmMakefile::ConfigureFile, and that to cmMakefile::ConfigureString to cmValue.h's cmIsOff, to cmValue.cxx's cmValue::IsOff. In spite of newer alternatives like Meson or Bazel, cmake has made it into the de-facto industry standard. In the past autoconf, manually written Makefiles and others had been used but for the last decade the first choice has been cmake. Since you expressed interest in where to find the source code for this: the source file you linked is just a wrapper for parsing the command from the CMake script and calling the actual business logic. The first topic we’re going to talk about is the build system. Values referenced as or $ are the only things configure_file does special things for. put, the CMAKEMODULEPATH is not environment variable of your shell, but cmake variable. cmake -help-command-list Module is a cmake file (.cmake) which contain cmake commands. Use following command to get the list of command used in. Additionally for each a.h, b.h and c.h there is a corresponding a.c, b.c and c.c implementation file. For example, suppose you have a file called main.c, and inside main.c you include a.h, b.h and c.h. ])Ĭopies an file to an file and substitutes variable File is CMake listfile, example is CMakeLists.txt. Make is a tool that tries to builds your program based on a recipe (called a Makefile). (If you use -G Ninja to select the Ninja generator you'll get build.ninja and rules.ninja instead, since Ninja uses those.) peppedx 4 yr. In short, variables defined with : are expanded once, but variables defined with are expanded whenever they are used. [NO_SOURCE_PERMISSIONS | USE_SOURCE_PERMISSIONS | (Also a Makefile, since that's what make assumes.) And the Makefile generator is the default on Unix platforms. This is described in the GNU Make documentation, in the section titled 6.2 The Two Flavors of Variables. I'm running through the CMake tutorial and found the solution for TODO #10, i.e: TutorialConfig.h.in #define Tutorial_VERSION_MAJOR Tutorial_VERSION_MINOR to conflict with the manual for the configure_file command I agree that CMake is better than handwriting a Makefile, it is still absolutely shit compared to Rusts build system or the straightforwardness of sourcing.
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