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Fix Windows CI: suppress MSVC C4875 from GSL on VS2026 toolset #191

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Fix Windows CI: suppress MSVC C4875 from GSL on VS2026 toolset #191

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8 changes: 8 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -62,6 +62,14 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# C4875 : a non-string literal argument to [[gsl::suppress]] is deprecated.
# This originates inside the GSL headers (pulled in transitively via arcana.cpp),
# not from our code, and surfaces only on newer MSVC toolsets. Suppress it so the
# /WX builds aren't broken by a deprecation we can't fix in third-party headers.
if(MSVC)
add_compile_options(/wd4875)
endif()

# --------------------------------------------------
# Options
# --------------------------------------------------
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