2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>

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

diff --git a/gcc/c.opt b/gcc/c.opt
index 12510d9..ab04dc2 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -151,7 +151,7 @@ Synonym for -Wcomment
 
 Wconversion
 C ObjC C++ ObjC++ Var(warn_conversion)
-Warn about possibly confusing type conversions
+Warn for implicit type conversions that may change a value
 
 Wctor-dtor-privacy
 C++ ObjC++ Var(warn_ctor_dtor_privacy)
@@ -173,6 +173,10 @@ Weffc++
 C++ ObjC++ Var(warn_ecpp)
 Warn about violations of Effective C++ style rules
 
+Wempty-body
+C ObjC C++ ObjC++ Var(warn_empty_body) Init(-1)
+Warn about an empty body in an if or else statement
+
 Wendif-labels
 C ObjC C++ ObjC++
 Warn about stray tokens after #elif and #endif
@@ -319,6 +323,10 @@ Woverloaded-virtual
 C++ ObjC++ Var(warn_overloaded_virtual)
 Warn about overloaded virtual function names
 
+Woverride-init
+C ObjC Var(warn_override_init) Init(-1)
+Warn about overriding initializers without side effects
+
 Wparentheses
 C ObjC C++ ObjC++ Var(warn_parentheses)
 Warn about possibly missing parentheses
@@ -395,6 +403,10 @@ Wtraditional
 C ObjC Var(warn_traditional)
 Warn about features not present in traditional C
 
+Wtraditional-conversion
+C ObjC Var(warn_traditional_conversion)
+Warn of prototypes causing type conversions different from what would happen in the absence of prototype
+
 Wtrigraphs
 C ObjC C++ ObjC++
 Warn if trigraphs are encountered that might affect the meaning of the program
@@ -507,15 +519,6 @@ C ObjC C++ ObjC++ Joined RejectNegative
 fexternal-templates
 C++ ObjC++
 
-ffixed-form
-C ObjC
-
-ffixed-line-length-none
-C ObjC
-
-ffixed-line-length-
-C ObjC Joined
-
 ffor-scope
 C++ ObjC++
 Scope of for-init-statement variables is local to the loop
@@ -838,6 +841,13 @@ std=c++98
 C++ ObjC++
 Conform to the ISO 1998 C++ standard
 
+std=c++0x
+C++ ObjC++
+Conform to the ISO 1998 C++ standard, with extensions that are likely to
+become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the
+extensions enabled by this mode are experimental and may be removed in
+future releases of GCC.
+
 std=c89
 C ObjC
 Conform to the ISO 1990 C standard
@@ -854,6 +864,13 @@ std=gnu++98
 C++ ObjC++
 Conform to the ISO 1998 C++ standard with GNU extensions
 
+std=gnu++0x
+C++ ObjC++
+Conform to the ISO 1998 C++ standard, with GNU extensions and
+extensions that are likely to become a part of the upcoming ISO C++
+standard, dubbed C++0x. Note that the extensions enabled by this mode
+are experimental and may be removed in future releases of GCC.
+
 std=gnu89
 C ObjC
 Conform to the ISO 1990 C standard with GNU extensions