diff options
| -rw-r--r-- | ChangeLog | 16 | ||||
| -rw-r--r-- | build-aux/gcc-warning.spec | 30 | ||||
| -rw-r--r-- | m4/manywarnings.m4 | 20 |
3 files changed, 48 insertions, 18 deletions
@@ -1,3 +1,19 @@ +2018-04-27 Paul Eggert <eggert@cs.ucla.edu> + + manywarnings: port to GCC 8.0 + * build-aux/gcc-warning.spec: Add -Wcatch-value, + -Wclass-memaccess, -Wdo-subscript, -Wextra-semi. Adjust to the + fact that the GCC help message now mentions operands for + -Warray-bounds, -Wformat, -Wformat-overflow, -Wformat-truncation, + -Wimplicit-fallthrough, -Wplacement-new, -Wshift-overflow, + -Wstrict-aliasing, -Wstrict-overflow, -Wstringop-overflow, + and -Wunused-const-variable. + * m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Add -Wattribute-alias, + -Wcast-align=strict, -Wcast-function-type, -Wif-not-aligned, + -Wmissing-attributes, -Wmultistatement-macros, + -Wpacked-not-aligned, -Wsizeof-pointer-div, -Wstringop-truncation, + -Wsuggest-attribute=cold, -Wsuggest-attribute=malloc. + 2018-04-24 Bruno Haible <bruno@clisp.org> sys_socket: Make SO_REUSEPORT available across platforms. diff --git a/build-aux/gcc-warning.spec b/build-aux/gcc-warning.spec index 9b9c39faf2..2ffdb2ba45 100644 --- a/build-aux/gcc-warning.spec +++ b/build-aux/gcc-warning.spec @@ -6,7 +6,6 @@ -Waggregate-return obsolescent -Waliasing fortran -Walign-commons fortran --Waligned-new c++ -Waligned-new=[none|global|all] c++ -Walloca we like alloca in small doses -Walloca-larger-than=<number> FIXME: choose something sane? @@ -15,7 +14,7 @@ -Wampersand fortran -Wargument-mismatch fortran -Warray-bounds covered by -Warray-bounds= --Warray-bounds= handled specially by gl_MANYWARN_ALL_GCC +-Warray-bounds=<0,2> handled specially by gl_MANYWARN_ALL_GCC -Warray-temporaries fortran -Wassign-intercept objc/objc++ -Wc++-compat FIXME maybe? borderline. some will want this @@ -28,7 +27,10 @@ -Wc90-c99-compat c compatibility -Wc99-c11-compat c compatibility -Wcast-qual FIXME maybe? too much noise; encourages bad changes +-Wcatch-value c++ +-Wcatch-value=<0,3> c++ -Wcharacter-truncation fortran +-Wclass-memaccess c++ -Wcompare-reals fortran -Wconditionally-supported c++ and objc++ -Wconversion FIXME maybe? too much noise; encourages bad changes @@ -38,20 +40,22 @@ -Wdeclaration-after-statement FIXME: do not want. others may -Wdelete-incomplete c++ and objc++ -Wdelete-non-virtual-dtor c++ +-Wdo-subscript fortran -Weffc++ c++ -Werror-implicit-function-declaration deprecated +-Wextra-semi c++ -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 --Wformat-overflow covered by -Wformat-overflow=2 --Wformat-overflow= handled specially by gl_MANYWARN_ALL_GCC +-Wformat=<0,2> gcc --help=warnings artifact +-Wformat-overflow<0,2> gcc --help=warnings artifact +-Wformat-overflow=<0,2> handled specially by gl_MANYWARN_ALL_GCC -Wformat-truncation covered by -Wformat-truncation=2 --Wformat-truncation= handled specially by gl_MANYWARN_ALL_GCC +-Wformat-truncation=<0,2> handled specially by gl_MANYWARN_ALL_GCC -Wframe-larger-than=<number> FIXME: choose something sane? -Wfunction-elimination fortran -Wimplicit-fallthrough covered by -Wimplicit-fallthrough=2 --Wimplicit-fallthrough= handled specially by gl_MANYWARN_ALL_GCC +-Wimplicit-fallthrough=<0,5> handled specially by gl_MANYWARN_ALL_GCC -Wimplicit-interface fortran -Wimplicit-procedure fortran -Winherited-variadic-ctor c++ @@ -81,7 +85,7 @@ -Wpadded FIXME maybe? warns about "stabil" member in /usr/include/bits/timex.h -Wpedantic FIXME: too strict? -Wplacement-new c++ --Wplacement-new= c++ +-Wplacement-new=<0,2> c++ -Wpmf-conversions c++ and objc++ -Wproperty-assign-default objc++ -Wprotocol objc++ @@ -99,18 +103,18 @@ -Wshadow=local covered by -Wshadow -Wshadow-local covered by -Wshadow -Wshift-overflow covered by -Wshift-overflow=2 --Wshift-overflow= gcc --help=warnings artifact +-Wshift-overflow=<0,2> gcc --help=warnings artifact -Wsign-compare FIXME maybe? borderline. some will want this -Wsign-conversion FIXME maybe? borderline. some will want this -Wsign-promo c++ and objc++ -Wsized-deallocation c++ and objc++ -Wstack-usage=<number> FIXME: choose something sane? --Wstrict-aliasing= FIXME: choose something sane? +-Wstrict-aliasing=<0,3> FIXME: choose something sane? -Wstrict-null-sentinel c++ and objc++ --Wstrict-overflow= FIXME: choose something sane? +-Wstrict-overflow=<0,5> FIXME: choose something sane? -Wstrict-selector-match objc and objc++ -Wstringop-overflow covered by -Wstringop-overflow= --Wstringop-overflow= handled specially by gl_MANYWARN_ALL_GCC +-Wstringop-overflow=<0,4> handled specially by gl_MANYWARN_ALL_GCC -Wsubobject-linkage c++ and objc++ -Wsuggest-override c++ and objc++ -Wsurprising fortran @@ -129,7 +133,7 @@ -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-const-variable=<0,2> gcc --help=warnings artifact -Wunused-dummy-argument fortran -Wuse-without-only fortran -Wuseless-cast c++ and objc++ diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4 index 18249b8f2e..60c0e4051c 100644 --- a/m4/manywarnings.m4 +++ b/m4/manywarnings.m4 @@ -1,4 +1,4 @@ -# manywarnings.m4 serial 13 +# manywarnings.m4 serial 14 dnl Copyright (C) 2008-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -106,10 +106,9 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], # To compare this list to your installed GCC's, run this Bash command: # # comm -3 \ - # <(sed -n 's/^ *\(-[^ 0-9][^ ]*\) .*/\1/p' manywarnings.m4 | sort) \ - # <(gcc --help=warnings | sed -n 's/^ \(-[^ ]*\) .*/\1/p' | sort | - # grep -v -x -F -f <( - # awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec)) + # <((sed -n 's/^ *\(-[^ 0-9][^ ]*\) .*/\1/p' manywarnings.m4; \ + # awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec) | sort) \ + # <(gcc --help=warnings | sed -n 's/^ \(-[^ ]*\) .*/\1/p' | sort) gl_manywarn_set= for gl_manywarn_item in -fno-common \ @@ -118,6 +117,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Waddress \ -Waggressive-loop-optimizations \ -Wall \ + -Wattribute-alias \ -Wattributes \ -Wbad-function-cast \ -Wbool-compare \ @@ -125,6 +125,8 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Wbuiltin-declaration-mismatch \ -Wbuiltin-macro-redefined \ -Wcast-align \ + -Wcast-align=strict \ + -Wcast-function-type \ -Wchar-subscripts \ -Wchkp \ -Wclobbered \ @@ -160,6 +162,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Wframe-address \ -Wfree-nonheap-object \ -Whsa \ + -Wif-not-aligned \ -Wignored-attributes \ -Wignored-qualifiers \ -Wimplicit \ @@ -181,6 +184,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Wmemset-elt-size \ -Wmemset-transposed-args \ -Wmisleading-indentation \ + -Wmissing-attributes \ -Wmissing-braces \ -Wmissing-declarations \ -Wmissing-field-initializers \ @@ -188,6 +192,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Wmissing-parameter-type \ -Wmissing-prototypes \ -Wmultichar \ + -Wmultistatement-macros \ -Wnarrowing \ -Wnested-externs \ -Wnonnull \ @@ -202,6 +207,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Woverride-init \ -Wpacked \ -Wpacked-bitfield-compat \ + -Wpacked-not-aligned \ -Wparentheses \ -Wpointer-arith \ -Wpointer-compare \ @@ -219,13 +225,17 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)], -Wshift-count-overflow \ -Wshift-negative-value \ -Wsizeof-array-argument \ + -Wsizeof-pointer-div \ -Wsizeof-pointer-memaccess \ -Wstack-protector \ -Wstrict-aliasing \ -Wstrict-overflow \ -Wstrict-prototypes \ + -Wstringop-truncation \ + -Wsuggest-attribute=cold \ -Wsuggest-attribute=const \ -Wsuggest-attribute=format \ + -Wsuggest-attribute=malloc \ -Wsuggest-attribute=noreturn \ -Wsuggest-attribute=pure \ -Wsuggest-final-methods \ |