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[cmake] Set language and standard. #43

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Merged
merged 1 commit into from
Mar 14, 2024
Merged

[cmake] Set language and standard. #43

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15 changes: 7 additions & 8 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,13 @@

cmake_minimum_required(VERSION 3.4.3)
project(xeus-cpp)

enable_language(CXX)
set(CMAKE_CXX_EXTENSIONS NO)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake;${CMAKE_MODULE_PATH}")

set(XEUS_CPP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
Expand Down Expand Up @@ -107,14 +114,6 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU"
if(NOT EMSCRIPTEN)
add_compile_options(-Wunused-parameter -Wextra -Wreorder)
endif()


CHECK_CXX_COMPILER_FLAG("-std=c++17" HAS_CPP_17_FLAG)
if (HAS_CPP_17_FLAG)
add_compile_options(-std=c++17)
else ()
message(FATAL_ERROR "Unsupported compiler -- xeus requires C++17 support!")
endif ()
endif ()

if(EMSCRIPTEN)
Expand Down