Acked-by: Christophe Fergeau <cfergeau@xxxxxxxxxx>
(assuming this is just an unmodified copy of the upstream
manywarnings.m4)
On Thu, Nov 10, 2016 at 10:44:21AM +0000, Frediano Ziglio wrote:
> Allows to catch more issues.
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> m4/manywarnings.m4 | 43 +++++++++++++++++++++++++++++++++++++------
> 1 file changed, 37 insertions(+), 6 deletions(-)
>
> diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
> index 3e6dd21..4f701f4 100644
> --- a/m4/manywarnings.m4
> +++ b/m4/manywarnings.m4
> @@ -1,5 +1,5 @@
> -# manywarnings.m4 serial 7
> -dnl Copyright (C) 2008-2014 Free Software Foundation, Inc.
> +# manywarnings.m4 serial 8
> +dnl Copyright (C) 2008-2016 Free Software Foundation, Inc.
> dnl This file is free software; the Free Software Foundation
> dnl gives unlimited permission to copy and/or distribute it,
> dnl with or without modifications, as long as this notice is preserved.
> @@ -62,10 +62,11 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> CFLAGS="$CFLAGS -W -Werror"
> AC_COMPILE_IFELSE(
> [AC_LANG_PROGRAM(
> - [[void f (void)
> + [[int f (void)
> {
> typedef struct { int a; int b; } s_t;
> s_t s1 = { 0, };
> + return s1.b;
> }
> ]],
> [[]])],
> @@ -103,17 +104,19 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
>
> gl_manywarn_set=
> for gl_manywarn_item in \
> + -fno-common \
> -W \
> -Wabi \
> -Waddress \
> -Waggressive-loop-optimizations \
> -Wall \
> - -Warray-bounds \
> -Wattributes \
> -Wbad-function-cast \
> + -Wbool-compare \
> -Wbuiltin-macro-redefined \
> -Wcast-align \
> -Wchar-subscripts \
> + -Wchkp \
> -Wclobbered \
> -Wcomment \
> -Wcomments \
> @@ -122,9 +125,13 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> -Wdate-time \
> -Wdeprecated \
> -Wdeprecated-declarations \
> + -Wdesignated-init \
> -Wdisabled-optimization \
> + -Wdiscarded-array-qualifiers \
> + -Wdiscarded-qualifiers \
> -Wdiv-by-zero \
> -Wdouble-promotion \
> + -Wduplicated-cond \
> -Wempty-body \
> -Wendif-labels \
> -Wenum-compare \
> @@ -133,22 +140,31 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> -Wformat-extra-args \
> -Wformat-nonliteral \
> -Wformat-security \
> + -Wformat-signedness \
> -Wformat-y2k \
> -Wformat-zero-length \
> + -Wframe-address \
> -Wfree-nonheap-object \
> + -Whsa \
> + -Wignored-attributes \
> -Wignored-qualifiers \
> -Wimplicit \
> -Wimplicit-function-declaration \
> -Wimplicit-int \
> + -Wincompatible-pointer-types \
> -Winit-self \
> -Winline \
> + -Wint-conversion \
> -Wint-to-pointer-cast \
> -Winvalid-memory-model \
> -Winvalid-pch \
> -Wjump-misses-init \
> + -Wlogical-not-parentheses \
> -Wlogical-op \
> -Wmain \
> -Wmaybe-uninitialized \
> + -Wmemset-transposed-args \
> + -Wmisleading-indentation \
> -Wmissing-braces \
> -Wmissing-declarations \
> -Wmissing-field-initializers \
> @@ -159,6 +175,9 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> -Wnarrowing \
> -Wnested-externs \
> -Wnonnull \
> + -Wnonnull-compare \
> + -Wnull-dereference \
> + -Wodr \
> -Wold-style-declaration \
> -Wold-style-definition \
> -Wopenmp-simd \
> @@ -174,8 +193,13 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> -Wpragmas \
> -Wreturn-local-addr \
> -Wreturn-type \
> + -Wscalar-storage-order \
> -Wsequence-point \
> -Wshadow \
> + -Wshift-count-negative \
> + -Wshift-count-overflow \
> + -Wshift-negative-value \
> + -Wsizeof-array-argument \
> -Wsizeof-pointer-memaccess \
> -Wstack-protector \
> -Wstrict-aliasing \
> @@ -185,10 +209,14 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> -Wsuggest-attribute=format \
> -Wsuggest-attribute=noreturn \
> -Wsuggest-attribute=pure \
> + -Wsuggest-final-methods \
> + -Wsuggest-final-types \
> -Wswitch \
> + -Wswitch-bool \
> -Wswitch-default \
> -Wsync-nand \
> -Wsystem-headers \
> + -Wtautological-compare \
> -Wtrampolines \
> -Wtrigraphs \
> -Wtype-limits \
> @@ -217,9 +245,12 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
> gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
> done
>
> - # gcc --help=warnings outputs an unusual form for this option; list
> - # it here so that the above 'comm' command doesn't report a false match.
> + # gcc --help=warnings outputs an unusual form for these options; list
> + # them here so that the above 'comm' command doesn't report a false match.
> + gl_manywarn_set="$gl_manywarn_set -Warray-bounds=2"
> gl_manywarn_set="$gl_manywarn_set -Wnormalized=nfc"
> + gl_manywarn_set="$gl_manywarn_set -Wshift-overflow=2"
> + gl_manywarn_set="$gl_manywarn_set -Wunused-const-variable=2"
>
> # These are needed for older GCC versions.
> if test -n "$GCC"; then
> --
> 2.7.4
>
> _______________________________________________
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> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/spice-devel
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