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CMake: Set CXX language level via target_compile_features()

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See: https://gitlab.kitware.com/cmake/cmake/-/issues/18446
See: https://cmake.org/cmake/help/latest/manual/cmake-compile-features.7.html#requiring-language-standards
This commit is contained in:
Christian Tacke
2021-02-20 20:03:09 +01:00
committed by Dennis Klein
parent 575054a11f
commit 7616b0b0aa
7 changed files with 9 additions and 11 deletions
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5
cmake/FairMQConfig.cmake.in
View File

@@ -1,5 +1,5 @@
################################################################################
# Copyright (C) 2018 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH #
# Copyright (C) 2018-2021 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH #
# #
# This software is distributed under the terms of the #
# GNU Lesser General Public Licence (LGPL) version 3, #
@@ -20,9 +20,6 @@ set(@PROJECT_NAME@_LIBDIR @PACKAGE_CMAKE_INSTALL_PREFIX@/@PROJECT_INSTALL_LIBDIR
set(@PROJECT_NAME@_DATADIR @PACKAGE_CMAKE_INSTALL_PREFIX@/@PROJECT_INSTALL_DATADIR@)
set(@PROJECT_NAME@_CMAKEMODDIR @PACKAGE_CMAKE_INSTALL_PREFIX@/@PROJECT_INSTALL_CMAKEMODDIR@)
set(@PROJECT_NAME@_CXX_STANDARD_REQUIRED @CMAKE_CXX_STANDARD_REQUIRED@)
set(@PROJECT_NAME@_CXX_STANDARD @CMAKE_CXX_STANDARD@)
set(@PROJECT_NAME@_CXX_EXTENSIONS @CMAKE_CXX_EXTENSIONS@)
set(@PROJECT_NAME@_VERSION_HOTFIX @PROJECT_VERSION_HOTFIX@)
set(@PROJECT_NAME@_BUILD_TYPE @CMAKE_BUILD_TYPE@)
set(@PROJECT_NAME@_BUILD_TYPE_UPPER @PROJECT_BUILD_TYPE_UPPER@)

5
cmake/FairMQLib.cmake
View File

@@ -75,10 +75,7 @@ macro(set_fairmq_defaults)
set(PROJECT_MIN_CXX_STANDARD 17)
# Handle C++ standard level
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD ${PROJECT_MIN_CXX_STANDARD})
elseif(${CMAKE_CXX_STANDARD} LESS ${PROJECT_MIN_CXX_STANDARD})
if(CMAKE_CXX_STANDARD AND CMAKE_CXX_STANDARD VERSION_LESS PROJECT_MIN_CXX_STANDARD)
message(FATAL_ERROR "A minimum CMAKE_CXX_STANDARD of ${PROJECT_MIN_CXX_STANDARD} is required.")
endif()
set(CMAKE_CXX_EXTENSIONS OFF)