* config/mips/t-iris6 (CRTSTUFF_T_CFLAGS): Add -Wno-error.

[pf3gnuchains/gcc-fork.git] / gcc / c.opt

diff --git a/gcc/c.opt b/gcc/c.opt
index 0977758..4f9859f 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -44,7 +44,11 @@
 ; output.  However, if the help text contains a tab character, the
 ; text to the left of the tab is output instead of the switch, and the
 ; text to its right forms the help.  This is useful for elaborating on
-; what type of argument a switch takes, for example.
+; what type of argument a switch takes, for example.  If the second
+; field contains "Undocumented" then nothing is output with --help.
+; Only do this with good reason like the switch being internal between
+; the driver and the front end - it is not an excuse to leave a switch
+; undocumented.
 
 ; Comments can appear on their own line anwhere in the file, preceded
 ; by a semicolon.  Whitespace is permitted before the semicolon.
@@ -87,7 +91,7 @@ C ObjC C++ ObjC++ Joined Separate
 -D<macro>[=<val>]      Define a <macro> with <val> as its value.  If just <macro> is given, <val> is taken to be 1
 
 E
-C ObjC C++ ObjC++
+C ObjC C++ ObjC++ Undocumented
 
 H
 C ObjC C++ ObjC++
@@ -176,6 +180,10 @@ Wctor-dtor-privacy
 C++ ObjC++
 Warn when all constructors and destructors are private
 
+Wdeclaration-after-statement
+C ObjC
+Warn when a declaration is found after a statement
+
 Wdeprecated
 C++ ObjC++
 Warn about deprecated compiler features
@@ -230,6 +238,10 @@ C ObjC
 Wformat=
 C ObjC C++ ObjC++ Joined
 
+Winit-self
+C ObjC C++ ObjC++
+Warn about variables which are initialized to themselves.
+
 Wimplicit
 C ObjC C++ ObjC++
 
@@ -243,7 +255,7 @@ Warn when a declaration does not specify a type
 
 Wimport
 C ObjC C++ ObjC++
-Warn about uses of the \"#import\" directive
+Deprecated.  This switch has no effect.
 
 Winvalid-offsetof
 C++ ObjC++
@@ -300,6 +312,10 @@ Wold-style-cast
 C++ ObjC++
 Warn if a C-style cast is used in a program
 
+Wold-style-definition
+C ObjC
+Warn if an old-style parameter definition is used
+
 Woverloaded-virtual
 C++ ObjC++
 Warn about overloaded virtual function names
@@ -318,6 +334,7 @@ Warn about function pointer arithmetic
 
 Wprotocol
 ObjC ObjC++
+Warn if inherited methods are unimplemented
 
 Wredundant-decls
 C ObjC C++ ObjC++
@@ -333,6 +350,7 @@ Warn whenever a function's return type defaults to \"int\" (C), or about inconsi
 
 Wselector
 ObjC ObjC++
+Warn if a selector has multiple methods
 
 Wsequence-point
 C ObjC
@@ -436,6 +454,7 @@ Make string literals \"const char[]\" not \"char[]\"
 
 fconstant-string-class=
 ObjC ObjC++ Joined
+-fconst-string-class=<name>    Use class <name> for constant strings
 
 fdefault-inline
 C++ ObjC++
@@ -486,6 +505,7 @@ Recognize GNU-defined keywords
 
 fgnu-runtime
 ObjC ObjC++
+Generate code for GNU runtime environment
 
 fguiding-decls
 C++ ObjC++
@@ -531,6 +551,11 @@ C++ ObjC++
 
 fnext-runtime
 ObjC ObjC++
+Generate code for NeXT (Apple Mac OS X) runtime environment
+
+fnil-receivers
+ObjC ObjC++
+Assume that receivers of Objective-C messages may be nil
 
 fnonansi-builtins
 C++ ObjC++
@@ -538,6 +563,10 @@ C++ ObjC++
 fnonnull-objects
 C++ ObjC++
 
+fobjc-exceptions
+ObjC ObjC++
+Enable Objective-C exception and synchronization syntax
+
 foperator-names
 C++ ObjC++
 Recognize C++ kewords like \"compl\" and \"xor\"
@@ -557,6 +586,10 @@ fpreprocessed
 C ObjC C++ ObjC++
 Treat the input file as already preprocessed
 
+freplace-objc-classes
+ObjC ObjC++
+Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime
+
 frepo
 C++ ObjC++
 Enable automatic template instantiation
@@ -637,12 +670,21 @@ fwide-exec-charset=
 C ObjC C++ ObjC++ Joined RejectNegative
 -fwide-exec-charset=<cset>     Convert all wide strings and character constants to character set <cset>
 
+fworking-directory
+C ObjC C++ ObjC++
+Generate a #line directive pointing at the current working directory
+
 fxref
 C++ ObjC++
 Emit cross referencing information
 
+fzero-link
+ObjC ObjC++
+Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode
+
 gen-decls
 ObjC ObjC++
+Dump declarations to a .decl file
 
 idirafter
 C ObjC C++ ObjC++ Joined Separate
@@ -677,12 +719,10 @@ C ObjC C++ ObjC++ Joined Separate
 -iwithprefixbefore <dir>       Add <dir> to the end of the main include path
 
 lang-asm
-C
-For internal use only
+C Undocumented
 
 lang-objc
-C ObjC C++ ObjC++
-For internal use only
+C ObjC C++ ObjC++ Undocumented
 
 nostdinc
 C ObjC C++ ObjC++
@@ -706,6 +746,7 @@ C ObjC C++ ObjC++
 
 print-objc-runtime-info
 ObjC ObjC++
+Generate C header of platform-specific features
 
 remap
 C ObjC C++ ObjC++