93 lines
2.9 KiB
CMake
93 lines
2.9 KiB
CMake
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include (CheckCXXCompilerFlag)
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include (CheckCCompilerFlag)
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# Try to add -Wflag if compiler supports it
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macro (add_warning flag)
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string(REPLACE "-" "_" underscored_flag ${flag})
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string(REPLACE "+" "x" underscored_flag ${underscored_flag})
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check_cxx_compiler_flag("-W${flag}" SUPPORTS_CXXFLAG_${underscored_flag})
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check_c_compiler_flag("-W${flag}" SUPPORTS_CFLAG_${underscored_flag})
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if (SUPPORTS_CXXFLAG_${underscored_flag})
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -W${flag}")
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else()
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message (STATUS "Flag -W${flag} is unsupported")
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endif()
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if (SUPPORTS_CFLAG_${underscored_flag})
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -W${flag}")
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else()
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message(STATUS "Flag -W${flag} is unsupported")
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endif()
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endmacro()
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# Try to add -Wno flag if compiler supports it
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macro (no_warning flag)
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add_warning(no-${flag})
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endmacro ()
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# The same but only for specified target.
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macro (target_add_warning target flag)
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string (REPLACE "-" "_" underscored_flag ${flag})
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string (REPLACE "+" "x" underscored_flag ${underscored_flag})
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check_cxx_compiler_flag("-W${flag}" SUPPORTS_CXXFLAG_${underscored_flag})
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if (SUPPORTS_CXXFLAG_${underscored_flag})
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target_compile_options (${target} PRIVATE "-W${flag}")
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else ()
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message (STATUS "Flag -W${flag} is unsupported")
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endif ()
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endmacro ()
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macro (target_no_warning target flag)
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target_add_warning(${target} no-${flag})
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endmacro ()
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add_warning(all)
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add_warning(extra)
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add_warning(pedantic)
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add_warning(error) # treat all warnings as errors
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_warning(strict-overflow=2)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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add_warning(strict-overflow=1)
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endif()
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add_warning(suggest-override)
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add_warning(suggest-destructor-override)
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add_warning(unused)
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add_warning(unreachable-code)
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add_warning(delete-incomplete)
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add_warning(duplicated-cond)
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add_warning(disabled-optimization)
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add_warning(init-self)
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add_warning(bool-compare)
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add_warning(logical-not-parentheses)
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add_warning(logical-op)
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add_warning(maybe-uninitialized)
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add_warning(misleading-indentation)
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# `no-` prefix is part of warning name(i.e. doesn't mean we are disabling it)
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add_warning(no-return-local-addr)
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add_warning(odr)
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add_warning(pointer-arith)
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add_warning(redundant-decls)
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add_warning(reorder)
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add_warning(shift-negative-value)
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add_warning(sizeof-array-argument)
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add_warning(switch-bool)
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add_warning(tautological-compare)
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add_warning(trampolines)
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no_warning(c++17-extensions)
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# TODO: these warnings are not enabled by default, but we consider them as useful and good to enable in the future
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no_warning(implicit-int-conversion)
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no_warning(implicit-float-conversion)
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no_warning(unused-member-function)
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no_warning(old-style-cast)
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no_warning(non-virtual-dtor)
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no_warning(float-conversion)
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no_warning(sign-conversion)
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no_warning(shorten-64-to-32)
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no_warning(padded)
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no_warning(missing-noreturn)
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