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# adapted from
# https://github.com/lefticus/cppbestpractices/blob/master/02-Use_the_Tools_Available.md
function(set_project_warnings project_name)
set(MSVC_WARNINGS
#/W4 # Baseline reasonable warnings
/w14242 # 'identfier': conversion from 'type1' to 'type1', possible loss
# of data
/w14254 # 'operator': conversion from 'type1:field_bits' to
# 'type2:field_bits', possible loss of data
/w14263 # 'function': member function does not override any base class
# virtual member function
/w14265 # 'classname': class has virtual functions, but destructor is not
# virtual instances of this class may not be destructed correctly
/w14287 # 'operator': unsigned/negative constant mismatch
/we4289 # nonstandard extension used: 'variable': loop control variable
# declared in the for-loop is used outside the for-loop scope
/w14296 # 'operator': expression is always 'boolean_value'
/w14311 # 'variable': pointer truncation from 'type1' to 'type2'
/w14545 # expression before comma evaluates to a function which is missing
# an argument list
/w14546 # function call before comma missing argument list
/w14547 # 'operator': operator before comma has no effect; expected
# operator with side-effect
/w14549 # 'operator': operator before comma has no effect; did you intend
# 'operator'?
/w14555 # expression has no effect; expected expression with side- effect
/w14619 # pragma warning: there is no warning number 'number'
/w14640 # Enable warning on thread un-safe static member initialization
/w14826 # Conversion from 'type1' to 'type_2' is sign-extended. This may
# cause unexpected runtime behavior.
/w14905 # wide string literal cast to 'LPSTR'
/w14906 # string literal cast to 'LPWSTR'
/w14928 # illegal copy-initialization; more than one user-defined
# conversion has been implicitly applied
)
set(CLANG_WARNINGS
-Wall
-Wextra # reasonable and standard
-Wshadow # warn the user if a variable declaration shadows one from a
# parent context
-Wnon-virtual-dtor # warn the user if a class with virtual functions has a
# non-virtual destructor. This helps catch hard to
# track down memory errors
# -Wold-style-cast # warn for c-style casts
-Wcast-align # warn for potential performance problem casts
-Wunused # warn on anything being unused
-Woverloaded-virtual # warn if you overload (not override) a virtual
# function
-Wpedantic # warn if non-standard C++ is used
-Wconversion # warn on type conversions that may lose data
-Wnull-dereference # warn if a null dereference is detected
-Wdouble-promotion # warn if float is implicit promoted to double
-Wformat=2 # warn on security issues around functions that format output
# (ie printf)
# turn off warning caused by generated code (flex)
-Wno-unused-parameter
-Wno-implicit-int-conversion
-Wno-sign-conversion
-Wno-format-nonliteral
-Wno-shorten-64-to-32
# enable to turn warnings into errors
#-Werror
)
set(GCC_WARNINGS
-Wall
-Wextra # reasonable and standard
#-Wshadow # warn the user if a variable declaration shadows one from a
# # parent context
-Wnon-virtual-dtor # warn the user if a class with virtual functions has a
# non-virtual destructor. This helps catch hard to
# track down memory errors
# -Wold-style-cast # warn for c-style casts
-Wcast-align # warn for potential performance problem casts
-Wunused # warn on anything being unused
-Woverloaded-virtual # warn if you overload (not override) a virtual
# function
-Wpedantic # warn if non-standard C++ is used
#-Wconversion # warn on type conversions that may lose data
#-Wnull-dereference # warn if a null dereference is detected
-Wdouble-promotion # warn if float is implicit promoted to double
-Wformat=2 # warn on security issues around functions that format output
# (ie printf)
# turn off warning caused by generated code (flex)
-Wno-unused-parameter
-Wno-sign-conversion
-Wno-format-nonliteral
-Wno-implicit-fallthrough
# enable to turn warnings into errors
#-Werror
)
if(MSVC)
set(PROJECT_WARNINGS ${MSVC_WARNINGS})
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(PROJECT_WARNINGS ${CLANG_WARNINGS})
else()
set(PROJECT_WARNINGS ${GCC_WARNINGS})
endif()
target_compile_options(${project_name} PRIVATE ${PROJECT_WARNINGS})
endfunction()
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