diff options
Diffstat (limited to 'm4/manywarnings.m4')
| -rw-r--r-- | m4/manywarnings.m4 | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4 index 12d68da6f38..4f701f4eaca 100644 --- a/m4/manywarnings.m4 +++ b/m4/manywarnings.m4 @@ -1,4 +1,4 @@ -# manywarnings.m4 serial 7 +# 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, @@ -62,10 +62,11 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], CFLAGS="$CFLAGS -W -Werror" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( - [[void f (void) + [[int f (void) { typedef struct { int a; int b; } s_t; s_t s1 = { 0, }; + return s1.b; } ]], [[]])], @@ -103,6 +104,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], gl_manywarn_set= for gl_manywarn_item in \ + -fno-common \ -W \ -Wabi \ -Waddress \ @@ -129,6 +131,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wdiscarded-qualifiers \ -Wdiv-by-zero \ -Wdouble-promotion \ + -Wduplicated-cond \ -Wempty-body \ -Wendif-labels \ -Wenum-compare \ @@ -140,7 +143,10 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wformat-signedness \ -Wformat-y2k \ -Wformat-zero-length \ + -Wframe-address \ -Wfree-nonheap-object \ + -Whsa \ + -Wignored-attributes \ -Wignored-qualifiers \ -Wimplicit \ -Wimplicit-function-declaration \ @@ -158,6 +164,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wmain \ -Wmaybe-uninitialized \ -Wmemset-transposed-args \ + -Wmisleading-indentation \ -Wmissing-braces \ -Wmissing-declarations \ -Wmissing-field-initializers \ @@ -168,6 +175,8 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wnarrowing \ -Wnested-externs \ -Wnonnull \ + -Wnonnull-compare \ + -Wnull-dereference \ -Wodr \ -Wold-style-declaration \ -Wold-style-definition \ @@ -184,10 +193,12 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wpragmas \ -Wreturn-local-addr \ -Wreturn-type \ + -Wscalar-storage-order \ -Wsequence-point \ -Wshadow \ -Wshift-count-negative \ -Wshift-count-overflow \ + -Wshift-negative-value \ -Wsizeof-array-argument \ -Wsizeof-pointer-memaccess \ -Wstack-protector \ @@ -205,6 +216,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], -Wswitch-default \ -Wsync-nand \ -Wsystem-headers \ + -Wtautological-compare \ -Wtrampolines \ -Wtrigraphs \ -Wtype-limits \ @@ -237,6 +249,8 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC], # them here so that the above 'comm' command doesn't report a false match. gl_manywarn_set="$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 |