kc3-lang/gnulib/build-aux/g++-warning.spec

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• Hash : f24fbe9d
  Author :
  Date : 2018-07-01T07:08:32
  

  manywarnings: omit -Wswitch-default
  
  This should make things more consistent, as we already ignore
  -Wswitch-enum.  Problem reported by Reuben Thomas; see:
  https://lists.gnu.org/r/bug-gnulib/2018-05/msg00179.html
  * build-aux/g++-warning.spec, build-aux/gcc-warning.spec:
  Add -Wswitch-default.
  * m4/manywarnings-c++.m4 (gl_MANYWARN_ALL_GCC_CXX_IMPL):
  * m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC):
  Remove -Wswitch-default.
  

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• build-aux/g++-warning.spec

• # options to filter out, and why
  --all-warnings				alias for -Wall
  --extra-warnings			alias for -Wextra
  -frequire-return-statement		go
  -Waggregate-return			obsolescent
  -Waliasing				fortran
  -Walign-commons				fortran
  -Wampersand				fortran
  -Warray-bounds				covered by -Warray-bounds=
  -Warray-bounds=				handled specially by gl_MANYWARN_ALL_GCC
  -Warray-temporaries			fortran
  -Wassign-intercept			objc/objc++
  -Wbad-function-cast			c
  -Wc++0x-compat				c++ compatibility
  -Wc++11-compat				c++ compatibility
  -Wc++14-compat				c++ compatibility
  -Wc90-c99-compat			c compatibility
  -Wc99-c11-compat			c compatibility
  -Wcast-qual				FIXME maybe? too much noise; encourages bad changes
  -Wcast-result				d
  -Wc-binding-type			fortran
  -Wc++-compat				FIXME maybe? borderline.  some will want this
  -Wcharacter-truncation			fortran
  -Wcompare-reals				fortran
  -Wconversion-extra			fortran
  -Wconversion				FIXME maybe? too much noise; encourages bad changes
  -Wdeclaration-after-statement		FIXME: do not want.  others may
  -Wdesignated-init			c
  -Wdiscarded-array-qualifiers		c
  -Wdiscarded-qualifiers			c
  -Werror-implicit-function-declaration	deprecated
  -Wfloat-conversion			FIXME maybe? borderline.  some will want this
  -Wfloat-equal				FIXME maybe? borderline.  some will want this
  -Wformat				covered by -Wformat=2
  -Wformat=				gcc --help=warnings artifact
  -Wframe-larger-than=<number>		FIXME: choose something sane?
  -Wfunction-elimination			fortran
  -Wimplicit				c
  -Wimplicit-function-declaration		c
  -Wimplicit-int				c
  -Wimplicit-interface			fortran
  -Wimplicit-procedure			fortran
  -Wincompatible-pointer-types		c
  -Wint-conversion			c
  -Winteger-division			fortran
  -Wintrinsic-shadow			fortran
  -Wintrinsics-std			fortran
  -Wjump-misses-init			c
  -Wlarger-than-				gcc --help=warnings artifact
  -Wlarger-than=<number>			FIXME: choose something sane?
  -Wline-truncation			fortran
  -Wlong-long				obsolescent
  -Wmissing-format-attribute		obsolescent
  -Wmissing-noreturn			obsolescent
  -Wmissing-parameter-type		c
  -Wmissing-prototypes			c
  -Wnested-externs			c
  -Wnormalized				covered by -Wnormalized=
  -Wnormalized=<none|id|nfc|nfkc>		handled specially by gl_MANYWARN_ALL_GCC
  -Wold-style-declaration			c
  -Wold-style-definition			c
  -Woverride-init				c
  -Wpadded				FIXME maybe?  warns about "stabil" member in /usr/include/bits/timex.h
  -Wpedantic				FIXME: too strict?
  -Wpointer-sign				c
  -Wpointer-to-int-cast			c
  -Wproperty-assign-default		objc++
  -Wprotocol				objc++
  -Wrealloc-lhs-all			fortran
  -Wrealloc-lhs				fortran
  -Wreal-q-constant			fortran
  -Wredundant-decls			FIXME maybe? many _gl_cxxalias_dummy FPs
  -Wselector				objc and objc++
  -Wshadow-ivar				objc
  -Wshift-overflow			covered by -Wshift-overflow=2
  -Wshift-overflow=			gcc --help=warnings artifact
  -Wsign-compare				FIXME maybe? borderline.  some will want this
  -Wsign-conversion			FIXME maybe? borderline.  some will want this
  -Wstack-usage=				FIXME: choose something sane?
  -Wstrict-aliasing=			FIXME: choose something sane?
  -Wstrict-overflow=			FIXME: choose something sane?
  -Wstrict-prototypes			c
  -Wstrict-selector-match			objc and objc++
  -Wsurprising				fortran
  -Wswitch-default			https://lists.gnu.org/r/bug-gnulib/2018-05/msg00179.html
  -Wswitch-enum				FIXME maybe? borderline.  some will want this
  -Wsynth					deprecated
  -Wtabs					fortran
  -Wtarget-lifetime			fortran
  -Wtraditional-conversion		obsolescent
  -Wtraditional				obsolescent
  -Wundeclared-selector			objc and objc++
  -Wundef					FIXME maybe? too many false positives
  -Wunderflow				fortran
  -Wunreachable-code			obsolescent no-op
  -Wunsuffixed-float-constants		triggers warning in gnulib's timespec.h
  -Wunused-const-variable			covered by -Wunusec-const-variable=2
  -Wunused-const-variable=		gcc --help=warnings artifact
  -Wunused-dummy-argument			fortran
  -Wuse-without-only			fortran
  -Wzerotrip				fortran
  

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