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authorJoseph Myers <joseph@codesourcery.com>2005-02-06 19:37:24 +0000
committerJoseph Myers <jsm28@gcc.gnu.org>2005-02-06 19:37:24 +0000
commit69cdf0500e9474ca9322cd35bacf09ecbf7eee41 (patch)
treee0256a22d242666b355aaa8b793f8d53da3a0df9 /gcc
parent3520b7452c46c56f64697dcdad55160cdf947d39 (diff)
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re PR other/7549 (gcc3.1: Documentation glitches in info-files)
PR other/7549 * doc/invoke.texi: Mention for each option included in -Wall that it is included in -Wall. * doc/gcc.texi: Update copyright and last modification date. From-SVN: r94682
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/doc/gcc.texi4
-rw-r--r--gcc/doc/invoke.texi22
3 files changed, 31 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a498661..ec56bf5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR other/7549
+ * doc/invoke.texi: Mention for each option included in -Wall that
+ it is included in -Wall.
+ * doc/gcc.texi: Update copyright and last modification date.
+
2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
diff --git a/gcc/doc/gcc.texi b/gcc/doc/gcc.texi
index 6eac7ef..413340c 100644
--- a/gcc/doc/gcc.texi
+++ b/gcc/doc/gcc.texi
@@ -41,7 +41,7 @@
@copying
Copyright @copyright{} 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.2 or
@@ -79,7 +79,7 @@ This file documents the use of the GNU compilers.
@sp 2
@center by Richard M. Stallman and the GCC Developer Community
@sp 3
-@center Last updated 23 May 2004
+@center Last updated 6 February 2005
@sp 1
@center for GCC @value{version-GCC}
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index afc1558..47d793a 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -2166,11 +2166,13 @@ Inhibit warning messages about the use of @samp{#import}.
Warn if an array subscript has type @code{char}. This is a common cause
of error, as programmers often forget that this type is signed on some
machines.
+This warning is enabled by @option{-Wall}.
@item -Wcomment
@opindex Wcomment
Warn whenever a comment-start sequence @samp{/*} appears in a @samp{/*}
comment, or whenever a Backslash-Newline appears in a @samp{//} comment.
+This warning is enabled by @option{-Wall}.
@item -Wfatal-errors
@opindex Wfatal-errors
@@ -2291,6 +2293,7 @@ int f()
@item -Wimplicit-int
@opindex Wimplicit-int
Warn when a declaration does not specify a type.
+This warning is enabled by @option{-Wall}.
@item -Wimplicit-function-declaration
@itemx -Werror-implicit-function-declaration
@@ -2299,16 +2302,19 @@ Warn when a declaration does not specify a type.
Give a warning (or error) whenever a function is used before being
declared. The form @option{-Wno-error-implicit-function-declaration}
is not supported.
+This warning is enabled by @option{-Wall} (as a warning, not an error).
@item -Wimplicit
@opindex Wimplicit
Same as @option{-Wimplicit-int} and @option{-Wimplicit-function-declaration}.
+This warning is enabled by @option{-Wall}.
@item -Wmain
@opindex Wmain
Warn if the type of @samp{main} is suspicious. @samp{main} should be a
function with external linkage, returning int, taking either zero
arguments, two, or three arguments of appropriate types.
+This warning is enabled by @option{-Wall}.
@item -Wmissing-braces
@opindex Wmissing-braces
@@ -2321,6 +2327,8 @@ int a[2][2] = @{ 0, 1, 2, 3 @};
int b[2][2] = @{ @{ 0, 1 @}, @{ 2, 3 @} @};
@end smallexample
+This warning is enabled by @option{-Wall}.
+
@item -Wmissing-include-dirs @r{(C, C++, Objective-C and Objective-C++ only)}
@opindex Wmissing-include-dirs
Warn if a user-supplied include directory does not exist.
@@ -2377,6 +2385,8 @@ the enclosing @code{if}. The resulting code would look like this:
@end group
@end smallexample
+This warning is enabled by @option{-Wall}.
+
@item -Wsequence-point
@opindex Wsequence-point
Warn about code that may have undefined semantics because of violations
@@ -2423,6 +2433,8 @@ Links to discussions of the problem, including proposed formal
definitions, may be found on the GCC readings page, at
@w{@uref{http://gcc.gnu.org/readings.html}}.
+This warning is enabled by @option{-Wall}.
+
@item -Wreturn-type
@opindex Wreturn-type
Warn whenever a function is defined with a return-type that defaults to
@@ -2439,6 +2451,8 @@ For C++, a function without return type always produces a diagnostic
message, even when @option{-Wno-return-type} is specified. The only
exceptions are @samp{main} and functions defined in system headers.
+This warning is enabled by @option{-Wall}.
+
@item -Wswitch
@opindex Wswitch
Warn whenever a @code{switch} statement has an index of enumerated type
@@ -2446,6 +2460,7 @@ and lacks a @code{case} for one or more of the named codes of that
enumeration. (The presence of a @code{default} label prevents this
warning.) @code{case} labels outside the enumeration range also
provoke warnings when this option is used.
+This warning is enabled by @option{-Wall}.
@item -Wswitch-default
@opindex Wswitch-switch
@@ -2463,15 +2478,18 @@ provoke warnings when this option is used.
@opindex Wtrigraphs
Warn if any trigraphs are encountered that might change the meaning of
the program (trigraphs within comments are not warned about).
+This warning is enabled by @option{-Wall}.
@item -Wunused-function
@opindex Wunused-function
Warn whenever a static function is declared but not defined or a
non\-inline static function is unused.
+This warning is enabled by @option{-Wall}.
@item -Wunused-label
@opindex Wunused-label
Warn whenever a label is declared but not used.
+This warning is enabled by @option{-Wall}.
To suppress this warning use the @samp{unused} attribute
(@pxref{Variable Attributes}).
@@ -2487,6 +2505,7 @@ To suppress this warning use the @samp{unused} attribute
@opindex Wunused-variable
Warn whenever a local variable or non-constant static variable is unused
aside from its declaration
+This warning is enabled by @option{-Wall}.
To suppress this warning use the @samp{unused} attribute
(@pxref{Variable Attributes}).
@@ -2494,6 +2513,7 @@ To suppress this warning use the @samp{unused} attribute
@item -Wunused-value
@opindex Wunused-value
Warn whenever a statement computes a result that is explicitly not used.
+This warning is enabled by @option{-Wall}.
To suppress this warning cast the expression to @samp{void}.
@@ -2583,6 +2603,8 @@ Some spurious warnings can be avoided if you declare all the functions
you use that never return as @code{noreturn}. @xref{Function
Attributes}.
+This warning is enabled by @option{-Wall}.
+
@item -Wunknown-pragmas
@opindex Wunknown-pragmas
@cindex warning for unknown pragmas