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Drop C++ standard tests for compilers which do not implement required features.

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Signed-off-by: Richard Musil <risa2000x@gmail.com>
This commit is contained in:
Richard Musil 2025-02-01 15:43:04 +01:00
parent 7974976894
commit 350c40029a
1 changed files with 9 additions and 0 deletions
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9
tests/CMakeLists.txt
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@ -21,6 +21,11 @@ include(test)
# override standard support
#############################################################################
# Clang only supports C++14 starting from Clang 3.5 (lesser versions miss std::enable_if_t)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
unset(compiler_supports_cpp_14)
endif()
# Clang only supports C++17 starting from Clang 5.0
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
unset(compiler_supports_cpp_17)
@ -29,6 +34,10 @@ endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.1)
unset(compiler_supports_cpp_17)
endif()
# GCC 5 and 6 do claim experimental support for C++17, but do not implement <optional>
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
unset(compiler_supports_cpp_17)
endif()
# Clang C++20 support appears insufficient prior to Clang 9.0 (based on CI build failure)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)