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invoke.texi: Label -Wbad-function-cast...

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* invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
	-Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
	options. Also add a new item "C-only Warning Options" to the
	option summary.

From-SVN: r29980
This commit is contained in:
Gerald Pfeifer 1999-10-14 16:41:27 +00:00
parent a4ebb0e69f
commit fe50c0eb3b
2 changed files with 24 additions and 9 deletions
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10
gcc/ChangeLog
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@ -1,8 +1,16 @@
Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
* invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
-Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
options. Also add a new item "C-only Warning Options" to the
option summary.
1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
* libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
from multiple calls.
>>>>>>> 1.4674
Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
* i386.md (call value patterns): Move to the end of the file.
@ -259,6 +267,7 @@ Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
(struct rtvec_def): Likewise.
* tree.h (struct tree_common): Likewise.
>>>>>>> 1.4673
Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
* configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
@ -305,6 +314,7 @@ Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
* fixincl/fixlib.h: protect against doubly defining t_bool
* fixincl/server.h: protect against doubly defining t_bool
>>>>>>> 1.4648
Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
* genoutput.c: Include toplev.h.

23
gcc/invoke.texi
View File

@ -120,7 +120,7 @@ in the following sections.
@xref{Warning Options,,Options to Request or Suppress Warnings}.
@smallexample
-fsyntax-only -pedantic -pedantic-errors
-w -W -Wall -Waggregate-return -Wbad-function-cast
-w -W -Wall -Waggregate-return
-Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment
-Wconversion -Werror -Wformat
-Wid-clash-@var{len} -Wimplicit -Wimplicit-int
@ -128,14 +128,19 @@ in the following sections.
-Werror-implicit-function-declaration -Wfloat-equal -Winline
-Wlarger-than-@var{len} -Wlong-long
-Wmain -Wmissing-declarations -Wmissing-noreturn
-Wmissing-prototypes -Wmultichar -Wnested-externs -Wno-import
-Wmultichar -Wno-import
-Wparentheses -Wpointer-arith -Wredundant-decls
-Wreturn-type -Wshadow -Wsign-compare -Wstrict-prototypes
-Wswitch -Wtraditional
-Wreturn-type -Wshadow -Wsign-compare -Wswitch
-Wtrigraphs -Wundef -Wuninitialized -Wunknown-pragmas -Wunreachable-code
-Wunused -Wwrite-strings
@end smallexample
@item C-only Warning Options
@smallexample
-Wbad-function-cast -Wmissing-prototypes -Wnested-externs
-Wstrict-prototypes -Wtraditional
@end smallexample
@item Debugging Options
@xref{Debugging Options,,Options for Debugging Your Program or GCC}.
@smallexample
@ -1647,7 +1652,7 @@ struct s x = @{ 3, 4 @};
@item -Wfloat-equal
Warn if floating point values are used in equality comparisons.
@item -Wtraditional
@item -Wtraditional (C only)
Warn about certain constructs that behave differently in traditional and
ANSI C.
@ -1689,7 +1694,7 @@ of @code{void}. GNU C assigns these types a size of 1, for
convenience in calculations with @code{void *} pointers and pointers
to functions.
@item -Wbad-function-cast
@item -Wbad-function-cast (C only)
Warn whenever a function call is cast to a non-matching type.
For example, warn if @code{int malloc()} is cast to @code{anything *}.
@ -1739,13 +1744,13 @@ Warn if any functions that return structures or unions are defined or
called. (In languages where you can return an array, this also elicits
a warning.)
@item -Wstrict-prototypes
@item -Wstrict-prototypes (C only)
Warn if a function is declared or defined without specifying the
argument types. (An old-style function definition is permitted without
a warning if preceded by a declaration which specifies the argument
types.)
@item -Wmissing-prototypes
@item -Wmissing-prototypes (C only)
Warn if a global function is defined without a previous prototype
declaration. This warning is issued even if the definition itself
provides a prototype. The aim is to detect global functions that fail
@ -1768,7 +1773,7 @@ bugs could be introduced.
Warn if anything is declared more than once in the same scope, even in
cases where multiple declaration is valid and changes nothing.
@item -Wnested-externs
@item -Wnested-externs (C only)
Warn if an @code{extern} declaration is encountered within a function.
@item -Wunreachable-code