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Diffstat (limited to 'src/development/cmake.md')
| -rw-r--r-- | src/development/cmake.md | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/development/cmake.md b/src/development/cmake.md index acf2d6b..e8f9430 100644 --- a/src/development/cmake.md +++ b/src/development/cmake.md @@ -1,5 +1,20 @@ # cmake(1) +## Frequently used variables +``` +# Install location. +CMAKE_INSTALL_PREFIX=<path> + +# Generate compile_commands.json? +CMAKE_EXPORT_COMPILE_COMMANDS={0,1} + +# Project build type. +CMAKE_BUILD_TYPE={Debug, Release, RelWithDebInfo, MinSizeRel} + +# C++ standard. +CMAKE_CXX_STANDARD={14,17,..} +``` + ## `PRIVATE` / `PUBLIC` / `INTERFACE` These modifier control where properties for a given target are visible. @@ -38,3 +53,21 @@ target_link_libraries(main liba) [3/4] /usr/bin/c++ -DDEF_INTERFACE -DDEF_PUBLIC [..] .../main.cc [4/4] [..] ``` + +## `find_package` [[ref][cmake-find_package]] +A small example to play with can be found in [cmake/module][src-module]. + +```cmake +find_package(Name MODULE) +``` +Looks for `FindName.cmake` in paths given by `CMAKE_MODULE_PATH` and then builtin paths. + +```cmake +find_package(Name CONFIG) +``` +Looks for `name-config.cmake` or `NameConfig.cmake` in paths given by +`CMAKE_PREFIX_PATH`, or path given by `Name_DIR` and then builtin paths. + +[cmake-include]: https://cmake.org/cmake/help/latest/command/include.html +[cmake-find_package]: https://cmake.org/cmake/help/latest/command/find_package.html +[src-module]: https://github.com/johannst/notes/tree/master/src/development/cmake/module |