79 lines
2.9 KiB
CMake
79 lines
2.9 KiB
CMake
# Set some helper variables for readability
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set(compiler_is_clang "$<OR:$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:Clang>>")
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set(compiler_is_gnu "$<CXX_COMPILER_ID:GNU>")
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set(compiler_is_msvc "$<CXX_COMPILER_ID:MSVC>")
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# Add warnings based on compiler & version
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# Set some helper variables for readability
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set(compiler_less_than_v8 "$<VERSION_LESS:$<CXX_COMPILER_VERSION>,8>")
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set(compiler_greater_than_or_equal_v9 "$<VERSION_GREATER_EQUAL:$<CXX_COMPILER_VERSION>,9>")
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set(compiler_greater_than_or_equal_v11 "$<VERSION_GREATER_EQUAL:$<CXX_COMPILER_VERSION>,11>")
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set(compiler_less_than_v11 "$<VERSION_LESS:$<CXX_COMPILER_VERSION>,11>")
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set(compiler_greater_than_or_equal_v12 "$<VERSION_GREATER_EQUAL:$<CXX_COMPILER_VERSION>,12>")
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# These compiler options reflect what is in godot/SConstruct.
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list(APPEND GODOT_COMPILE_WARNING_FLAGS
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# MSVC only
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$<${compiler_is_msvc}:
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/W4
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# Disable warnings which we don't plan to fix.
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/wd4100 # C4100 (unreferenced formal parameter): Doesn't play nice with polymorphism.
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/wd4127 # C4127 (conditional expression is constant)
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/wd4201 # C4201 (non-standard nameless struct/union): Only relevant for C89.
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/wd4244 # C4244 C4245 C4267 (narrowing conversions): Unavoidable at this scale.
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/wd4245
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/wd4267
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/wd4305 # C4305 (truncation): double to float or real_t, too hard to avoid.
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/wd4514 # C4514 (unreferenced inline function has been removed)
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/wd4714 # C4714 (function marked as __forceinline not inlined)
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/wd4820 # C4820 (padding added after construct)
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>
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# Clang and GNU common options
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$<$<OR:${compiler_is_clang},${compiler_is_gnu}>:
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-Wall
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-Wctor-dtor-privacy
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-Wextra
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-Wno-unused-parameter
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-Wnon-virtual-dtor
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-Wwrite-strings
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>
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# Clang only
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$<${compiler_is_clang}:
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-Wimplicit-fallthrough
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-Wno-ordered-compare-function-pointers
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>
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# GNU only
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$<${compiler_is_gnu}:
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-Walloc-zero
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-Wduplicated-branches
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-Wduplicated-cond
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-Wno-misleading-indentation
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-Wplacement-new=1
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-Wshadow-local
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-Wstringop-overflow=4
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>
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$<$<AND:${compiler_is_gnu},${compiler_less_than_v8}>:
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# Bogus warning fixed in 8+.
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-Wno-strict-overflow
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>
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$<$<AND:${compiler_is_gnu},${compiler_greater_than_or_equal_v9}>:
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-Wattribute-alias=2
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>
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$<$<AND:${compiler_is_gnu},${compiler_greater_than_or_equal_v11}>:
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# Broke on MethodBind templates before GCC 11.
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-Wlogical-op
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>
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$<$<AND:${compiler_is_gnu},${compiler_less_than_v11}>:
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# Regression in GCC 9/10, spams so much in our variadic templates that we need to outright disable it.
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-Wno-type-limits
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>
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$<$<AND:${compiler_is_gnu},${compiler_greater_than_or_equal_v12}>:
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# False positives in our error macros, see GH-58747.
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-Wno-return-type
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>
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)
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