2007-05-22 H.J. Lu <hongjiu.lu@intel.com>

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

diff --git a/gcc/c.opt b/gcc/c.opt
index c384f52..63e2bda 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -1,5 +1,5 @@
 ; Options for the C, ObjC, C++ and ObjC++ front ends.
-; Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ;
@@ -124,6 +124,10 @@ Wall
 C ObjC C++ ObjC++ Warning
 Enable most warning messages
 
+Wtype-limits
+C ObjC C++ ObjC++ Var(warn_type_limits) Init(-1) Warning
+Warn if a comparison is always true or always false due to the limited range of the data type
+
 Wassign-intercept
 ObjC ObjC++ Var(warn_assign_intercept) Warning
 Warn whenever an Objective-C assignment is being intercepted by the garbage collector
@@ -133,11 +137,11 @@ C ObjC Var(warn_bad_function_cast) Warning
 Warn about casting functions to incompatible types
 
 Wc++-compat
-C Var(warn_cxx_compat) Warning
+C ObjC Var(warn_cxx_compat) Warning
 Warn about C constructs that are not in the common subset of C and C++
 
 Wc++0x-compat
-C++ ObjC++ Var(warn_cxx0x_compat)
+C++ ObjC++ Var(warn_cxx0x_compat) Warning
 Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 200x
 
 Wcast-qual
@@ -164,6 +168,10 @@ Wconversion
 C ObjC C++ ObjC++ Var(warn_conversion) Warning
 Warn for implicit type conversions that may change a value
 
+Wsign-conversion
+C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1)
+Warn for implicit type conversions between signed and unsigned integers
+
 Wctor-dtor-privacy
 C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning
 Warn when all constructors and destructors are private
@@ -177,7 +185,7 @@ C++ ObjC++ Var(warn_deprecated) Init(1) Warning
 Warn about deprecated compiler features
 
 Wdiv-by-zero
-C ObjC C++ Var(warn_div_by_zero) Init(1) Warning
+C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning
 Warn about compile-time integer division by zero
 
 Weffc++
@@ -216,6 +224,10 @@ Wformat-nonliteral
 C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning
 Warn about format strings that are not literals
 
+Wformat-contains-nul
+C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning
+Warn about format strings that contain NUL bytes
+
 Wformat-security
 C ObjC C++ ObjC++ Var(warn_format_security) Warning
 Warn about possible security problems with format functions
@@ -267,7 +279,7 @@ C ObjC C++ ObjC++ Var(warn_long_long) Init(1) Warning
 Do not warn about using \"long long\" when -pedantic
 
 Wmain
-C ObjC Warning
+C ObjC C++ ObjC++ Warning
 Warn about suspicious declarations of \"main\"
 
 Wmissing-braces
@@ -450,6 +462,10 @@ Wvariadic-macros
 C ObjC C++ ObjC++ Warning
 Do not warn about using variadic macros when -pedantic
 
+Wvla
+C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning
+Warn if a variable length array is used
+
 Wwrite-strings
 C ObjC C++ ObjC++ Var(warn_write_strings) Warning
 In C++, nonzero means warn about deprecated conversion from string literals to `char *'.  In C, similar warning, except that the conversion is of course not deprecated by the ISO C standard.
@@ -543,7 +559,7 @@ C++ ObjC++
 Scope of for-init-statement variables is local to the loop
 
 ffreestanding
-C ObjC
+C ObjC C++ ObjC++
 Do not assume that standard C libraries and \"main\" exist
 
 fgnu-keywords
@@ -554,6 +570,10 @@ fgnu-runtime
 ObjC ObjC++
 Generate code for GNU runtime environment
 
+fgnu89-inline
+C ObjC Var(flag_gnu89_inline) Init(-1)
+Use traditional GNU semantics for inline functions
+
 fguiding-decls
 C++ ObjC++
 
@@ -584,7 +604,7 @@ C++ ObjC++
 Emit implicit instantiations of templates
 
 ffriend-injection
-C++ Var(flag_friend_injection)
+C++ ObjC++ Var(flag_friend_injection)
 Inject friend functions into enclosing namespace
 
 flabels-ok
@@ -779,6 +799,18 @@ gen-decls
 ObjC ObjC++
 Dump declarations to a .decl file
 
+femit-struct-debug-baseonly
+C ObjC C++ ObjC++
+-femit-struct-debug-baseonly   Aggressive reduced debug info for structs
+
+femit-struct-debug-reduced
+C ObjC C++ ObjC++
+-femit-struct-debug-reduced    Conservative reduced debug info for structs
+
+femit-struct-debug-detailed=
+C ObjC C++ ObjC++ Joined
+-femit-struct-debug-detailed=<spec-list>       Detailed reduced debug info for structs
+
 idirafter
 C ObjC C++ ObjC++ Joined Separate
 -idirafter <dir>       Add <dir> to the end of the system include path