build-aux/g++-warning.spec

   1 # options to filter out, and why
   2 --all-warnings                          alias for -Wall
   3 --extra-warnings                        alias for -Wextra
   4 -frequire-return-statement              go
   5 -Waggregate-return                      obsolescent
   6 -Waliasing                              fortran
   7 -Walign-commons                         fortran
   8 -Wampersand                             fortran
   9 -Warray-bounds                          covered by -Warray-bounds=
  10 -Warray-bounds=                         handled specially by gl_MANYWARN_ALL_GCC
  11 -Warray-temporaries                     fortran
  12 -Wassign-intercept                      objc/objc++
  13 -Wbad-function-cast                     c
  14 -Wc++0x-compat                          c++ compatibility
  15 -Wc++11-compat                          c++ compatibility
  16 -Wc++14-compat                          c++ compatibility
  17 -Wc90-c99-compat                        c compatibility
  18 -Wc99-c11-compat                        c compatibility
  19 -Wcast-qual                             FIXME maybe? too much noise; encourages bad changes
  20 -Wcast-result                           d
  21 -Wc-binding-type                        fortran
  22 -Wc++-compat                            FIXME maybe? borderline.  some will want this
  23 -Wcharacter-truncation                  fortran
  24 -Wcompare-reals                         fortran
  25 -Wconversion-extra                      fortran
  26 -Wconversion                            FIXME maybe? too much noise; encourages bad changes
  27 -Wdeclaration-after-statement           FIXME: do not want.  others may
  28 -Wdesignated-init                       c
  29 -Wdiscarded-array-qualifiers            c
  30 -Wdiscarded-qualifiers                  c
  31 -Werror-implicit-function-declaration   deprecated
  32 -Wfloat-conversion                      FIXME maybe? borderline.  some will want this
  33 -Wfloat-equal                           FIXME maybe? borderline.  some will want this
  34 -Wformat                                covered by -Wformat=2
  35 -Wformat=                               gcc --help=warnings artifact
  36 -Wframe-larger-than=<number>            FIXME: choose something sane?
  37 -Wfunction-elimination                  fortran
  38 -Wimplicit                              c
  39 -Wimplicit-function-declaration         c
  40 -Wimplicit-int                          c
  41 -Wimplicit-interface                    fortran
  42 -Wimplicit-procedure                    fortran
  43 -Wincompatible-pointer-types            c
  44 -Wint-conversion                        c
  45 -Winteger-division                      fortran
  46 -Wintrinsic-shadow                      fortran
  47 -Wintrinsics-std                        fortran
  48 -Wjump-misses-init                      c
  49 -Wlarger-than-                          gcc --help=warnings artifact
  50 -Wlarger-than=<number>                  FIXME: choose something sane?
  51 -Wline-truncation                       fortran
  52 -Wlong-long                             obsolescent
  53 -Wmissing-format-attribute              obsolescent
  54 -Wmissing-noreturn                      obsolescent
  55 -Wmissing-parameter-type                c
  56 -Wmissing-prototypes                    c
  57 -Wnested-externs                        c
  58 -Wnormalized                            covered by -Wnormalized=
  59 -Wnormalized=<none|id|nfc|nfkc>         handled specially by gl_MANYWARN_ALL_GCC
  60 -Wold-style-declaration                 c
  61 -Wold-style-definition                  c
  62 -Woverride-init                         c
  63 -Wpadded                                FIXME maybe?  warns about "stabil" member in /usr/include/bits/timex.h
  64 -Wpedantic                              FIXME: too strict?
  65 -Wpointer-sign                          c
  66 -Wpointer-to-int-cast                   c
  67 -Wproperty-assign-default               objc++
  68 -Wprotocol                              objc++
  69 -Wrealloc-lhs-all                       fortran
  70 -Wrealloc-lhs                           fortran
  71 -Wreal-q-constant                       fortran
  72 -Wredundant-decls                       FIXME maybe? many _gl_cxxalias_dummy FPs
  73 -Wselector                              objc and objc++
  74 -Wshadow-ivar                           objc
  75 -Wshift-overflow                        covered by -Wshift-overflow=2
  76 -Wshift-overflow=                       gcc --help=warnings artifact
  77 -Wsign-compare                          FIXME maybe? borderline.  some will want this
  78 -Wsign-conversion                       FIXME maybe? borderline.  some will want this
  79 -Wstack-usage=                          FIXME: choose something sane?
  80 -Wstrict-aliasing=                      FIXME: choose something sane?
  81 -Wstrict-overflow=                      FIXME: choose something sane?
  82 -Wstrict-prototypes                     c
  83 -Wstrict-selector-match                 objc and objc++
  84 -Wsurprising                            fortran
  85 -Wswitch-default                        https://lists.gnu.org/r/bug-gnulib/2018-05/msg00179.html
  86 -Wswitch-enum                           FIXME maybe? borderline.  some will want this
  87 -Wsynth                                 deprecated
  88 -Wtabs                                  fortran
  89 -Wtarget-lifetime                       fortran
  90 -Wtraditional-conversion                obsolescent
  91 -Wtraditional                           obsolescent
  92 -Wundeclared-selector                   objc and objc++
  93 -Wundef                                 FIXME maybe? too many false positives
  94 -Wunderflow                             fortran
  95 -Wunreachable-code                      obsolescent no-op
  96 -Wunsuffixed-float-constants            triggers warning in gnulib's timespec.h
  97 -Wunused-const-variable                 covered by -Wunusec-const-variable=2
  98 -Wunused-const-variable=                gcc --help=warnings artifact
  99 -Wunused-dummy-argument                 fortran
 100 -Wuse-without-only                      fortran
 101 -Wzerotrip                              fortran