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166 lines
3.9 KiB
166 lines
3.9 KiB
################################################################################
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# See comments and discussions here:
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# http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings
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################################################################################
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if(TARGET ipc::rigid::warnings)
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return()
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endif()
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set(RIGID_IPC_FLAGS
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-Wall
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-Wextra
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-pedantic
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# -Wconversion
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#-Wunsafe-loop-optimizations # broken with C++11 loops
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-Wunused
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-Wno-long-long
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-Wpointer-arith
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-Wformat=2
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-Wuninitialized
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-Wcast-qual
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# -Wmissing-noreturn
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-Wmissing-format-attribute
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-Wredundant-decls
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-Werror=implicit
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-Werror=nonnull
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-Werror=init-self
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-Werror=main
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-Werror=missing-braces
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-Werror=sequence-point
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-Werror=return-type
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-Werror=trigraphs
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-Werror=array-bounds
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-Werror=write-strings
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-Werror=address
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-Werror=int-to-pointer-cast
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-Werror=pointer-to-int-cast
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-Wno-unused-variable
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-Wunused-but-set-variable
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-Wno-unused-parameter
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#-Weffc++
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-Wno-old-style-cast
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# -Wno-sign-conversion
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#-Wsign-conversion
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# -Wshadow
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-Wstrict-null-sentinel
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-Woverloaded-virtual
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-Wsign-promo
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-Wstack-protector
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-Wstrict-aliasing
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-Wstrict-aliasing=2
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# Warn whenever a switch statement has an index of enumerated type and
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# lacks a case for one or more of the named codes of that enumeration.
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-Wswitch
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# This is annoying if all cases are already covered.
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# -Wswitch-default
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# This is annoying if there is a default that covers the rest.
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# -Wswitch-enum
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-Wswitch-unreachable
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# -Wcovered-switch-default # Annoying warnings from nlohmann::json
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-Wcast-align
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-Wdisabled-optimization
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#-Winline # produces warning on default implicit destructor
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-Winvalid-pch
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# -Wmissing-include-dirs
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-Wpacked
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-Wno-padded
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-Wstrict-overflow
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-Wstrict-overflow=2
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-Wctor-dtor-privacy
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-Wlogical-op
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-Wnoexcept
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-Woverloaded-virtual
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# -Wundef
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-Wnon-virtual-dtor
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-Wdelete-non-virtual-dtor
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-Werror=non-virtual-dtor
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-Werror=delete-non-virtual-dtor
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-Wno-sign-compare
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###########
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# GCC 6.1 #
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###########
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-Wnull-dereference
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-fdelete-null-pointer-checks
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-Wduplicated-cond
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-Wmisleading-indentation
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#-Weverything
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###########################
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# Enabled by -Weverything #
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###########################
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#-Wdocumentation
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#-Wdocumentation-unknown-command
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#-Wfloat-equal
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#-Wglobal-constructors
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#-Wexit-time-destructors
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#-Wmissing-variable-declarations
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#-Wextra-semi
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#-Wweak-vtables
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#-Wno-source-uses-openmp
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#-Wdeprecated
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#-Wnewline-eof
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#-Wmissing-prototypes
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#-Wno-c++98-compat
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#-Wno-c++98-compat-pedantic
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###########################
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# Need to check if those are still valid today
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###########################
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#-Wimplicit-atomic-properties
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#-Wmissing-declarations
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#-Wmissing-prototypes
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#-Wstrict-selector-match
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#-Wundeclared-selector
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#-Wunreachable-code
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# Not a warning, but enable link-time-optimization
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# TODO: Check out modern CMake version of setting this flag
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# https://cmake.org/cmake/help/latest/module/CheckIPOSupported.html
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#-flto
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# Gives meaningful stack traces
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-fno-omit-frame-pointer
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-fno-optimize-sibling-calls
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-Wno-pedantic
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)
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# Flags above don't make sense for MSVC
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if(MSVC)
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set(RIGID_IPC_FLAGS)
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endif()
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include(CheckCXXCompilerFlag)
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add_library(ipc_rigid_warnings INTERFACE)
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add_library(ipc::rigid::warnings ALIAS ipc_rigid_warnings)
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foreach(FLAG IN ITEMS ${RIGID_IPC_FLAGS})
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string(REPLACE "=" "-" FLAG_VAR "${FLAG}")
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if(NOT DEFINED IS_SUPPORTED_${FLAG_VAR})
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check_cxx_compiler_flag("${FLAG}" IS_SUPPORTED_${FLAG_VAR})
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endif()
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if(IS_SUPPORTED_${FLAG_VAR})
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target_compile_options(ipc_rigid_warnings INTERFACE ${FLAG})
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endif()
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endforeach()
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