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| author | Brad King <brad.king@kitware.com> | 2018-03-26 11:55:15 -0400 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2018-03-27 07:40:54 -0400 |
| commit | 7fe580a36253281784dda9c35798693350e24859 (patch) | |
| tree | ed860d357022a6c8db6f1daead9e27e7970ec1b9 /Modules/CMakeDetermineCompileFeatures.cmake | |
| parent | 1b328e09a33e61293635c7ddb9bcff986ae8d1e7 (diff) | |
| download | cmake-7fe580a36253281784dda9c35798693350e24859.tar.gz | |
Features: Add infrastructure for C++ 20 language standard
Issue: #17849
Diffstat (limited to 'Modules/CMakeDetermineCompileFeatures.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompileFeatures.cmake | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineCompileFeatures.cmake b/Modules/CMakeDetermineCompileFeatures.cmake index 3ed92bee39..01a81a1a86 100644 --- a/Modules/CMakeDetermineCompileFeatures.cmake +++ b/Modules/CMakeDetermineCompileFeatures.cmake @@ -49,6 +49,7 @@ function(cmake_determine_compile_features lang) set(CMAKE_CXX11_COMPILE_FEATURES) set(CMAKE_CXX14_COMPILE_FEATURES) set(CMAKE_CXX17_COMPILE_FEATURES) + set(CMAKE_CXX20_COMPILE_FEATURES) include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake") @@ -59,6 +60,9 @@ function(cmake_determine_compile_features lang) return() endif() + if (CMAKE_CXX17_COMPILE_FEATURES AND CMAKE_CXX20_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES}) + endif() if (CMAKE_CXX14_COMPILE_FEATURES AND CMAKE_CXX17_COMPILE_FEATURES) list(REMOVE_ITEM CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES}) endif() @@ -75,6 +79,7 @@ function(cmake_determine_compile_features lang) ${CMAKE_CXX11_COMPILE_FEATURES} ${CMAKE_CXX14_COMPILE_FEATURES} ${CMAKE_CXX17_COMPILE_FEATURES} + ${CMAKE_CXX20_COMPILE_FEATURES} ) endif() @@ -83,6 +88,7 @@ function(cmake_determine_compile_features lang) set(CMAKE_CXX11_COMPILE_FEATURES ${CMAKE_CXX11_COMPILE_FEATURES} PARENT_SCOPE) set(CMAKE_CXX14_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES} PARENT_SCOPE) set(CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX20_COMPILE_FEATURES} PARENT_SCOPE) message(STATUS "Detecting ${lang} compile features - done") endif() |