Debug: No optimization, asserts enabled, ,ĭebug info included in executable (so you can step through the code with aĭebugger and have address to source-file:line-number translation).ģ. Release: high optimization level, no debug info, code or asserts.Ģ. The default build types that come with cmake more or less mean the following, 1. So, extended support for a build type needs updating every existing tool chain that you want to support. Most such compiler options are compiler and/or platform specific. Including 'debug info' in the executable ].It is not used for multi-target generators as those simply generate a build system capable of building all build types (debug, release, etc). IMPORTANT: CMAKE_BUILD_TYPE only makes sense for single-target generators, like Makefiles. If I want to generate a production build, should I choose Release? Be aware that Release and RelWithDebInfo use different optimization levels on most platforms. If you are using an IDE such as Visual Studio, you should use the IDE settings to set the build type. I'm aware the differences between Debug builds and Release builds, but what are the differences between Release, RelWithDebInfo and MinSizeRel? I'm guessing RelWithDebInfo meant creating debuggable binaries, and MinSizeRel meant creating smallest possible size binaries. For example, in a build tree configured to build type Debug, CMake will see to having CMAKE_C_FLAGS_DEBUG settings get added to the CMAKE_C_FLAGS settings. There are many per-config properties and variables (usually following clean SOME_VAR_ order conventions), such as CMAKE_C_FLAGS_, specified as uppercase: CMAKE_C_FLAGS_. those which choose a single configuration when CMake runs to generate a build tree as opposed to multi-configuration generators which offer selection of the build configuration within the generated build environment. This variable is only meaningful to single-configuration generators (such as Makefile Generators and Ninja) i.e. Possible values are empty, Debug, Release, RelWithDebInfo and MinSizeRel. This statically specifies what build type (configuration) will be built in this build tree. Specifies the build type on single-configuration generators.
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