diff options
Diffstat (limited to 'meson')
| -rw-r--r-- | meson/meson.build | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/meson/meson.build b/meson/meson.build new file mode 100644 index 0000000..20e0522 --- /dev/null +++ b/meson/meson.build @@ -0,0 +1,196 @@ +# General code to enable approximately all warnings. +# +# This is trivial for clang and MSVC, but GCC does not have such an option, and +# has several esoteric warnings, so we need to enable everything we want +# explicitly. We enable everything that does not require a value argument, +# except for warnings that are only relevant for very old languages (earlier +# than C99 or C++11) or non-standard extensions. +# +# Omitted common warnings: +# +# Wabi= +# Waggregate-return +# Walloc-size-larger-than=BYTES +# Walloca-larger-than=BYTES +# Wframe-larger-than=BYTES +# Wlarger-than=BYTES +# Wstack-usage=BYTES +# Wsystem-headers +# Wtraditional +# Wtraditional-conversion +# Wtrampolines +# Wvla-larger-than=BYTES +# +# Omitted C warnings: +# +# Wc90-c99-compat +# Wdeclaration-after-statement +# Wtraditional +# Wtraditional-conversion +# +# Omitted C++ warnings: +# +# Wnamespaces +# Wtemplates + +gcc_common_warnings = [ + '-Walloc-zero', + '-Walloca', + '-Wanalyzer-too-complex', + '-Warith-conversion', + '-Warray-bounds=2', + '-Wattribute-alias=2', + '-Wcast-align=strict', + '-Wcast-qual', + '-Wconversion', + '-Wdate-time', + '-Wdisabled-optimization', + '-Wdouble-promotion', + '-Wduplicated-branches', + '-Wduplicated-cond', + '-Wfloat-equal', + '-Wformat-overflow=2', + '-Wformat-signedness', + '-Wformat-truncation=2', + '-Wformat=2', + '-Wimplicit-fallthrough=2', + '-Winit-self', + '-Winline', + '-Winvalid-pch', + '-Wlogical-op', + '-Wmissing-declarations', + '-Wmissing-include-dirs', + '-Wmultichar', + '-Wnormalized=nfc', + '-Wnull-dereference', + '-Wpacked', + '-Wpadded', + '-Wredundant-decls', + '-Wscalar-storage-order', + '-Wshadow', + '-Wshift-overflow=2', + '-Wsizeof-array-argument', + '-Wstack-protector', + '-Wstrict-aliasing=3', + '-Wstrict-overflow=5', + '-Wstringop-overflow=3', + '-Wsuggest-attribute=cold', + '-Wsuggest-attribute=const', + '-Wsuggest-attribute=format', + '-Wsuggest-attribute=malloc', + '-Wsuggest-attribute=noreturn', + '-Wsuggest-attribute=pure', + '-Wswitch-default', + '-Wswitch-enum', + '-Wsync-nand', + '-Wundef', + '-Wunused-const-variable=2', + '-Wunused-macros', + '-Wvarargs', + '-Wvector-operation-performance', + '-Wvla', + '-Wwrite-strings', +] + +gcc_c_warnings = [ + '-Wbad-function-cast', + '-Wc++-compat', + '-Wc99-c11-compat', + '-Wdesignated-init', + '-Wdiscarded-array-qualifiers', + '-Wdiscarded-qualifiers', + '-Wincompatible-pointer-types', + '-Wjump-misses-init', + '-Wmissing-prototypes', + '-Wnested-externs', + '-Wold-style-definition', + '-Wstrict-prototypes', + '-Wunsuffixed-float-constants', +] + +# Set all_c_warnings for the current C compiler +if is_variable('cc') + if cc.get_id() == 'clang' + all_c_warnings = ['-Weverything'] + elif cc.get_id() == 'gcc' + all_c_warnings = gcc_common_warnings + [ + '-Wbad-function-cast', + '-Wc++-compat', + '-Wc99-c11-compat', + '-Wdesignated-init', + '-Wdiscarded-array-qualifiers', + '-Wdiscarded-qualifiers', + '-Wincompatible-pointer-types', + '-Wjump-misses-init', + '-Wmissing-prototypes', + '-Wnested-externs', + '-Wold-style-definition', + '-Wstrict-prototypes', + '-Wunsuffixed-float-constants', + ] + elif cc.get_id() == 'msvc' + all_c_warnings = ['/Wall'] + else + all_c_warnings = [] + endif +endif + +# Set all_cpp_warnings for the current C++ compiler +if is_variable('cpp') + if cpp.get_id() == 'clang' + all_cpp_warnings = [ + '-Weverything', + '-Wno-c++98-compat', + '-Wno-c++98-compat-pedantic' + ] + elif cpp.get_id() == 'gcc' + all_cpp_warnings = gcc_common_warnings + [ + '-Wabi-tag', + '-Waligned-new=all', + '-Wcatch-value=3', + '-Wcomma-subscript', + '-Wconditionally-supported', + '-Wctor-dtor-privacy', + '-Wdeprecated-copy-dtor', + '-Weffc++', + '-Wextra-semi', + '-Wmismatched-tags', + '-Wmultiple-inheritance', + '-Wnoexcept', + '-Wnoexcept-type', + '-Wnon-virtual-dtor', + '-Wold-style-cast', + '-Woverloaded-virtual', + '-Wplacement-new=2', + '-Wredundant-tags', + '-Wregister', + '-Wsign-promo', + '-Wstrict-null-sentinel', + '-Wsuggest-final-methods', + '-Wsuggest-final-types', + '-Wsuggest-override', + '-Wuseless-cast', + '-Wvirtual-inheritance', + '-Wvolatile', + '-Wzero-as-null-pointer-constant', + ] + elif cpp.get_id() == 'msvc' + all_cpp_warnings = ['/Wall'] + else + all_cpp_warnings = [] + endif +endif + +# Set all_objc_warnings for the current Objective C compiler +if is_variable('objcc') + all_objc_warnings = [] + if objcc.get_id() == 'clang' + all_objc_warnings = ['-Weverything'] + elif objc.get_id() == 'gcc' + all_objc_warnings = gcc_common_warnings + [ + '-Wno-direct-ivar-access', + ] + else + all_objc_warnings = [] + endif +endif |