1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
# Warning flags and Macro (#define)
# For the moment only support GCC and Clang
if(NOT CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
message(STATUS "<warning-flags.cmake> No warning set for your compiler '${CMAKE_CXX_COMPILER_ID}' (only GNU and Clang are supported for the moment)")
return()
endif()
# See http://stackoverflow.com/a/16604146/938111
add_definitions(-D_FORTIFY_SOURCE=2)
# Colorize output
if (BUILD_COLOR)
add_compile_options(-fdiagnostics-color=${BUILD_COLOR})
endif()
# Clang specifics
if (CMAKE_C_COMPILER_ID STREQUAL Clang)
add_compile_options(
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
)
endif()
add_compile_options(
-Wall # Classic warnings
-Wextra # Extra amount of warnings
-Weffc++ # Books "Effective C++" from Scott Meyers
-pedantic # Reject code not following ISO C++ (e.g. GNU extensions)
-Winit-self # Variables initialized with themselves (enabled by -Wall)
-Wswitch-enum # Missing case for values of switch(enum)
-Wswitch # Missing enumerated type in 'case' labels
-Wcast-align # Incompatible alignment pointers
-Wcast-qual # Cast between pointers leads to target type qualifier removal
-Wconversion # Conversion might lead to value alteration, confusing overload resolution
-Wsign-conversion
-Wformat=2 # Invalid argument types and format strings in formatting functions (printf, scanf...)
-Wuninitialized # Variable used without being initialized
-Wmissing-field-initializers # Fields is left uninitialized during (non-designated) structure initialization
-Wmissing-include-dirs # User-supplied include directory does not exist
-Wpointer-arith # [void and function] Operations addition/subtraction/sizeof are GNU extension
-Wredundant-decls # Multiple declarations of the same entity is encountered in the same scope
-Wshadow # Variable/typedef/struct/class/enum shadows another one having same name
-Wunreachable-code # Unreachable code
-Wunused # Unused entity (functions, labels, variables, typedefs, parameters, ...)
-Wwrite-strings # Deprecated conversion from string literals to 'char *' (enable by default in C++)
-fmax-errors=50 # Limit number of errors to 50. Default is 0 => no limit
-fstack-protector-strong # Checks for buffer overflows such as stack smashing attacks (extra code is added)
-Wstack-protector # Warn if option '-fstack-protector-strong' complained about codes vulnerable to stack smashing
-Wpointer-arith
-Wshadow
-Wwrite-strings
-Wcast-align
-Wredundant-decls
-Wdisabled-optimization
-Wfloat-equal
-Wmultichar
-Wmissing-noreturn
-Woverloaded-virtual
-Wsign-promo
-funit-at-a-time
-Weffc++
-Wall
-Wpointer-arith
-Wshadow
-Wwrite-strings
-Wcast-align
-Wredundant-decls
-Wdisabled-optimization
-Wfloat-equal
-Wmultichar
-Wmissing-noreturn
-Woverloaded-virtual
-Wsign-promo
-funit-at-a-time
-Wstrict-null-sentinel
-Wswitch-enum
-Wpadded
-Wfloat-conversion
-Wunused-macros
-Wshadow
-Wmissing-prototypes
)
# Temporary disable some warnings because too much warnings :-(
add_compile_options(
-Wno-sign-conversion # 1125 warnings (GCC-6)
-Wno-padded # 650 warnings (GCC-6)
-Wno-unused-parameter # 577 warnings (GCC-6)
-Wno-pedantic # 326 warnings (GCC-6)
-Wno-cast-qual # 211 warnings (GCC-6)
-Wno-conversion # 123 warnings (GCC-6)
-Wno-switch-enum # 111 warnings (GCC-6)
-Wno-old-style-cast # 1679 warnings (Clang-3.9)
-Wno-extra-semi # 490 warnings (Clang-3.9)
-Wno-weak-vtables # 325 warnings (Clang-3.9)
-Wno-packed # 304 warnings (Clang-3.9)
-Wno-documentation # 187 warnings (Clang-3.9)
-Wno-reserved-id-macro # 138 warnings (Clang-3.9)
-Wno-deprecated # 123 warnings (Clang-3.9)
)
|
