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CMake/Tests/RunCMake/CompileWarningAsError/WarningAsErrorOptions.cmake
Evan Wilde dfa78c4868 Swift: Honor COMPILE_WARNING_AS_ERROR for command-line build systems
Define missing CMAKE_Swift_COMPILE_OPTIONS_WARNING_AS_ERROR for Swift to
`-warnings-as-errors`.

Fixes: #26872
2025-04-18 09:26:45 -04:00

35 lines
1.4 KiB
CMake

# add compile options to warning_options to ensure unused-function throws a warning
# if warning_options is NOT DEFINED, assume compiler doesn't support warning as error
macro(get_warning_options warning_options lang)
if (CMAKE_${lang}_COMPILER_ID MATCHES "^(GNU|Clang|AppleClang|XLClang|IBMClang|LCC|IntelLLVM|NVHPC)$")
set(${warning_options} "-Wall")
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "MSVC"
OR (CMAKE_${lang}_COMPILER_ID STREQUAL "Intel" AND CMAKE_${lang}_SIMULATE_ID MATCHES "MSVC"))
set(${warning_options} "-W4")
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "NVIDIA"
AND CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
if(CMAKE_${lang}_SIMULATE_ID MATCHES "MSVC")
set(${warning_options} "-Xcompiler=-W4")
else()
set(${warning_options} "-Xcompiler=-Wall")
endif()
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "Intel")
set(${warning_options} "-w3")
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "XL")
set(${warning_options} "-qinfo=all")
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "SunPro")
if(lang STREQUAL CXX)
set(${warning_options} "+w;+w2")
else()
set(${warning_options} "")
endif()
elseif (CMAKE_${lang}_COMPILER_ID STREQUAL "Fujitsu")
set(${warning_options} "SHELL:-w 8")
endif()
if(${lang} STREQUAL Swift)
# No extra flags required for Swift
set(${warning_options} "")
endif()
endmacro()