Disable extensions

Author: JohanMabille

CMakeLists.txt

@@ -7,9 +7,15 @@
 # The full license is in the file LICENSE, distributed with this software. #
 ############################################################################
 
+set(CMAKE_CXX_EXTENSIONS OFF)
+
 cmake_minimum_required(VERSION 3.29)
 project(xtensor-blas)
 
+if(NOT CMAKE_CXX_STANDARD)
+    set(CMAKE_CXX_STANDARD 20)
+endif()
+
 set(INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
 set(XTENSOR_BLAS_INCLUDE_DIR ${INCLUDE_DIR})
 
@@ -80,6 +86,7 @@ target_include_directories(xtensor-blas
     $<INSTALL_INTERFACE:include>)
 
 target_compile_features(xtensor-blas INTERFACE cxx_std_20)
+set_target_properties(xtensor-blas PROPERTIES CMAKE_CXX_EXTENSIONS OFF)
 
 OPTION(CXXBLAS_DEBUG "print cxxblas debug information" OFF)
 OPTION(XTENSOR_USE_FLENS_BLAS "use FLENS generic implementation instead of cblas" OFF)

test/CMakeLists.txt

@@ -120,8 +120,8 @@ set(XTENSOR_BLAS_TESTS
 )
 
 add_executable(test_xtensor_blas ${XTENSOR_BLAS_TESTS} ${XTENSOR_BLAS_HEADERS} ${XTENSOR_HEADERS})
-#target_link_libraries(test_xtensor_blas ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES} doctest::doctest ${CMAKE_THREAD_LIBS_INIT})
-target_link_libraries(test_xtensor_blas ${BLAS_LIBRARIES}  doctest::doctest ${CMAKE_THREAD_LIBS_INIT})
+set_target_properties(test_xtensor_blas PROPERTIES CMAKE_CXX_EXTENSIONS OFF)
+target_link_libraries(test_xtensor_blas ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES} doctest::doctest ${CMAKE_THREAD_LIBS_INIT})
 
 add_custom_target(xtest COMMAND test_xtensor_blas DEPENDS test_xtensor_blas)
 add_test(NAME xtest COMMAND test_xtensor_blas)