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Modification des règles de cmake_policy()

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Administrateur Général
2026-05-01 19:42:28 +02:00
parent fbeaa766d1
commit 3be46c12b8
1 changed files with 11 additions and 6 deletions
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17
CMakeLists.txt
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@@ -3,7 +3,7 @@ cmake_minimum_required (VERSION 4.0)
project (mraa C) project (mraa C)
cmake_policy(SET CMP0177 NEW) cmake_policy(SET CMP0177 NEW)
#cmake_policy(SET CMP0148 NEW) cmake_policy(SET CMP0148 NEW)
FIND_PACKAGE (Threads REQUIRED) FIND_PACKAGE (Threads REQUIRED)
@@ -78,17 +78,22 @@ if (BUILDCPP)
endif () endif ()
endforeach () endforeach ()
#-----------------------------------------------------------------
# This function adds the c++20 flag to a c++ target (if supported) # This function adds the c++20 flag to a c++ target (if supported)
function(use_cxx_20 targetname) #function(use_cxx_20 targetname)
message(STATUS "\nInside function")
include(CheckCXXCompilerFlag) include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++20" COMPILER_SUPPORTS_CXX20) CHECK_CXX_COMPILER_FLAG(-std=c++23 COMPILER_SUPPORTS_CXX20)
message(STATUS "check result ${COMPILER_SUPPORTS_CXX20}")
if (COMPILER_SUPPORTS_CXX20) if (COMPILER_SUPPORTS_CXX20)
set_target_properties(${targetname} PROPERTIES COMPILE_FLAGS "-std=c++20") set_target_properties(${targetname} PROPERTIES COMPILE_FLAGS "-std=c++23")
message(STATUS "INFO Use std=c++20") message(STATUS "INFO Use std=c++23")
else() else()
message(FATAL_ERROR "Target '${targetname}' requires c++20 which is not supported by this compiler") message(FATAL_ERROR "Target '${targetname}' requires c++20 which is not supported by this compiler")
endif() endif()
endfunction() #endfunction()
#------------------------------------------------------------------
# # This function adds the c++17 flag to a c++ target (if supported) # # This function adds the c++17 flag to a c++ target (if supported)
# function(use_cxx_17 targetname) # function(use_cxx_17 targetname)