c.opt (Wsynth): Deprecate.
gcc/ * c.opt (Wsynth): Deprecate. * doc/invoke.texi (Option Summary, Warning Options): Document -Wno-format-contains-nul. gcc/fortran/ * invoke.texi (Error and Warning Options): Document -Wline-truncation. contrib/ * check_warning_flags.sh: Instead of invoke.texi, take the path to the doc directory as argument. Check that warnings listed in 'gcc --help' are accepted by the compiler, and listed in the manuals. From-SVN: r133059
This commit is contained in:
Ralf Wildenhues
Ralf Wildenhues
parent
fa37b948cd
commit
802e3f8c81
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@ -1,3 +1,10 @@
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2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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* check_warning_flags.sh: Instead of invoke.texi, take the path
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to the doc directory as argument. Check that warnings listed in
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'gcc --help' are accepted by the compiler, and listed in the
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manuals.
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2008-03-06 Tom Tromey <tromey@redhat.com>
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* patch_tester.sh (usage): Watermark is not lexicographic.
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@ -18,7 +18,7 @@
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progname=`echo "$0" | sed 's,.*/,,'`
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usage ()
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{
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echo "usage: $progname path/to/invoke.texi"
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echo "usage: $progname path/to/gcc/doc"
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echo "set \$CC to the compiler to be checked"
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exit 1
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}
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@ -28,7 +28,8 @@ LC_ALL=C
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export LC_ALL
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: ${CC=gcc}
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test $# = 1 || usage
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invoke_texi=$1
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gcc_docdir=$1
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invoke_texi=$gcc_docdir/invoke.texi
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test -r "$invoke_texi" || {
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echo "$progname: error: cannot read '$invoke_texi'" >&2
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usage
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@ -133,4 +134,44 @@ for lang in c c++ objc obj-c++; do
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}
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rm -f $file $filebase.o $filebase.obj $stderr
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done
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remove_problematic_help_flags='
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/^W$/d
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/^W[alp]$/d
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/^Werror-implicit-function-declaration$/d
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/^Wsynth$/d
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/-$/d
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/=/d'
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help_flags=`
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$CC --help -v 2>/dev/null | tr ' ' '\n' |
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sed -n '
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b a
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:a
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s/^-\(W[^<,]*\).*/\1/
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t x
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d
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:x
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'"$remove_problematic_help_flags"'
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p' | sort -u`
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: >$filebase.c
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for flag in $help_flags; do
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$CC -c $filebase.c -$flag 2>/dev/null || {
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echo "warning -$flag not supported" >&2
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ret=1
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}
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grep "@item.*$flag" $gcc_docdir/../*/*.texi >/dev/null || {
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# For @item, we are satisfied with either -Wfoo or -Wno-foo.
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inverted_flag=`echo "$flag" | sed '
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s/^Wno-/W/
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t
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s/^W/Wno-/'`
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grep "@item.*$inverted_flag" $gcc_docdir/../*/*.texi >/dev/null || {
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echo "warning -$flag not documented in $gcc_docdir/../*/*.texi" >&2
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ret=1
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}
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}
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done
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rm -f $filebase.c $filebase.o
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exit $ret
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@ -1,3 +1,9 @@
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2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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* c.opt (Wsynth): Deprecate.
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* doc/invoke.texi (Option Summary, Warning Options): Document
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-Wno-format-contains-nul.
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2008-03-09 Uros Bizjak <ubizjak@gmail.com>
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PR target/35496
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@ -423,7 +423,7 @@ Warn if type signatures of candidate methods do not match exactly
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Wsynth
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C++ ObjC++ Var(warn_synth) Warning
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Warn when synthesis behavior differs from Cfront
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Deprecated. This switch has no effect
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Wsystem-headers
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C ObjC C++ ObjC++ Warning
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@ -235,7 +235,7 @@ Objective-C and Objective-C++ Dialects}.
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-Wempty-body -Wno-endif-labels @gol
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-Werror -Werror=* @gol
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-Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 @gol
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-Wno-format-extra-args -Wformat-nonliteral @gol
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-Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol
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-Wformat-security -Wformat-y2k @gol
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-Wframe-larger-than=@var{len} -Wignored-qualifiers @gol
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-Wimplicit -Wimplicit-function-declaration -Wimplicit-int @gol
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@ -2811,6 +2811,12 @@ aspects of format checking, the options @option{-Wformat-y2k},
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If @option{-Wformat} is specified, also warn about @code{strftime}
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formats which may yield only a two-digit year.
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@item -Wno-format-contains-nul
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@opindex Wno-format-contains-nul
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@opindex Wformat-contains-nul
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If @option{-Wformat} is specified, do not warn about format strings that
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contain NUL bytes.
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@item -Wno-format-extra-args
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@opindex Wno-format-extra-args
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@opindex Wformat-extra-args
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@ -1,3 +1,8 @@
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2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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* invoke.texi (Error and Warning Options): Document
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-Wline-truncation.
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2008-03-08 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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PR fortran/34956
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@ -456,6 +456,11 @@ that initiated the continuation.
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@cindex warnings, character truncation
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Warn when a character assignment will truncate the assigned string.
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@item -Wline-truncation
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@opindex @code{Wline-truncation}
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@cindex warnings, line truncation
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Warn when a source code line will be truncated.
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@item -Wconversion
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@opindex @code{Wconversion}
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@cindex warnings, conversion
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