diff options
Diffstat (limited to 'cmake/Util.cmake')
-rw-r--r-- | cmake/Util.cmake | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/cmake/Util.cmake b/cmake/Util.cmake index b485f4606b..343a729305 100644 --- a/cmake/Util.cmake +++ b/cmake/Util.cmake @@ -143,3 +143,43 @@ function(add_glob_targets) add_custom_target(${ARG_TARGET} DEPENDS ${touch_list}) endfunction() + +# Set default build type to Debug. Also limit the list of allowable build types +# to the ones defined in variable allowableBuildTypes. +# +# The correct way to specify build type (for example Release) for +# single-configuration generators (Make and Ninja) is to run +# +# cmake -B build -D CMAKE_BUILD_TYPE=Release +# cmake --build build +# +# while for multi-configuration generators (Visual Studio, Xcode and Ninja +# Multi-Config) is to run +# +# cmake -B build +# cmake --build build --config Release +# +# Passing CMAKE_BUILD_TYPE for multi-config generators will now not only +# not be used, but also generate a warning for the user. +function(set_default_buildtype) + set(allowableBuildTypes Debug Release MinSizeRel RelWithDebInfo) + + get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) + if(isMultiConfig) + set(CMAKE_CONFIGURATION_TYPES ${allowableBuildTypes} PARENT_SCOPE) + if(CMAKE_BUILD_TYPE) + message(WARNING "CMAKE_BUILD_TYPE specified which is ignored on \ + multi-configuration generators. Defaulting to Debug build type.") + endif() + else() + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "${allowableBuildTypes}") + if(NOT CMAKE_BUILD_TYPE) + message(STATUS "CMAKE_BUILD_TYPE not specified, default is 'Debug'") + set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build" FORCE) + elseif(NOT CMAKE_BUILD_TYPE IN_LIST allowableBuildTypes) + message(FATAL_ERROR "Invalid build type: ${CMAKE_BUILD_TYPE}") + else() + message(STATUS "CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}") + endif() + endif() +endfunction() |