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warn about problematic compiler versions and C++ standard combinations

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This commit is contained in:
Axel Kohlmeyer
2024-07-15 18:23:59 -04:00
parent d7792956d6
commit 207d1e20b9
1 changed files with 16 additions and 0 deletions
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16
cmake/CMakeLists.txt
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@ -164,6 +164,22 @@ if(MSVC)
add_compile_definitions(_CRT_SECURE_NO_WARNINGS) add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
endif() endif()
# warn about potentially problematic GCC compiler versions
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if (CMAKE_CXX_STANDARD GREATER_EQUAL 17)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
message(WARNING "Using ${CMAKE_CXX_COMPILER_ID} compiler version ${CMAKE_CXX_COMPILER_VERSION} "
"with C++17 is not recommended. Please use ${CMAKE_CXX_COMPILER_ID} compiler version 9.x or later")
endif()
endif()
if (CMAKE_CXX_STANDARD GREATER_EQUAL 11)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
message(WARNING "Using ${CMAKE_CXX_COMPILER_ID} compiler version ${CMAKE_CXX_COMPILER_VERSION} "
"with C++11 is not recommended. Please use ${CMAKE_CXX_COMPILER_ID} compiler version 5.x or later")
endif()
endif()
endif()
# export all symbols when building a .dll file on windows # export all symbols when building a .dll file on windows
if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND BUILD_SHARED_LIBS) if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND BUILD_SHARED_LIBS)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)