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2010-04-12 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git]
/
gcc
/
c.opt
diff --git
a/gcc/c.opt
b/gcc/c.opt
index
18ce852
..
973acf4
100644
(file)
--- a/
gcc/c.opt
+++ b/
gcc/c.opt
@@
-1,5
+1,6
@@
; Options for the C, ObjC, C++ and ObjC++ front ends.
; Options for the C, ObjC, C++ and ObjC++ front ends.
-; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+; Free Software Foundation, Inc.
;
; This file is part of GCC.
;
;
; This file is part of GCC.
;
@@
-112,9
+113,12
@@
C ObjC C++ ObjC++ Joined Separate
-U<macro> Undefine <macro>
Wabi
-U<macro> Undefine <macro>
Wabi
-C
++ ObjC++
Var(warn_abi) Warning
+C
ObjC C++ ObjC++ LTO
Var(warn_abi) Warning
Warn about things that will change when compiling with an ABI-compliant compiler
Warn about things that will change when compiling with an ABI-compliant compiler
+Wpsabi
+C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Undocumented
+
Waddress
C ObjC C++ ObjC++ Var(warn_address) Warning
Warn about suspicious uses of memory addresses
Waddress
C ObjC C++ ObjC++ Var(warn_address) Warning
Warn about suspicious uses of memory addresses
@@
-131,6
+135,10
@@
Wbad-function-cast
C ObjC Var(warn_bad_function_cast) Warning
Warn about casting functions to incompatible types
C ObjC Var(warn_bad_function_cast) Warning
Warn about casting functions to incompatible types
+Wbuiltin-macro-redefined
+C ObjC C++ ObjC++ Warning
+Warn when a built-in preprocessor macro is undefined or redefined
+
Wc++-compat
C ObjC Var(warn_cxx_compat) Warning
Warn about C constructs that are not in the common subset of C and C++
Wc++-compat
C ObjC Var(warn_cxx_compat) Warning
Warn about C constructs that are not in the common subset of C and C++
@@
-163,6
+171,10
@@
Wconversion
C ObjC C++ ObjC++ Var(warn_conversion) Warning
Warn for implicit type conversions that may change a value
C ObjC C++ ObjC++ Var(warn_conversion) Warning
Warn for implicit type conversions that may change a value
+Wconversion-null
+C++ ObjC++ Var(warn_conversion_null) Init(1) Warning
+Warn for converting NULL from/to a non-pointer type
+
Wsign-conversion
C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1)
Warn for implicit type conversions between signed and unsigned integers
Wsign-conversion
C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1)
Warn for implicit type conversions between signed and unsigned integers
@@
-177,7
+189,7
@@
Warn when a declaration is found after a statement
Wdeprecated
C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning
Wdeprecated
C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning
-Warn
about deprecated compiler features
+Warn
if a deprecated compiler feature, class, method, or field is used
Wdiv-by-zero
C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning
Wdiv-by-zero
C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning
@@
-195,6
+207,10
@@
Wendif-labels
C ObjC C++ ObjC++ Warning
Warn about stray tokens after #elif and #endif
C ObjC C++ ObjC++ Warning
Warn about stray tokens after #elif and #endif
+Wenum-compare
+C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning
+Warn about comparison of different enum types
+
Werror
C ObjC C++ ObjC++
; Documented in common.opt
Werror
C ObjC C++ ObjC++
; Documented in common.opt
@@
-261,7
+277,7
@@
Wimport
C ObjC C++ ObjC++ Undocumented
Wint-to-pointer-cast
C ObjC C++ ObjC++ Undocumented
Wint-to-pointer-cast
-C ObjC Var(warn_int_to_pointer_cast) Init(1) Warning
+C ObjC
C++ ObjC++
Var(warn_int_to_pointer_cast) Init(1) Warning
Warn when there is a cast to a pointer from an integer of a different size
Winvalid-offsetof
Warn when there is a cast to a pointer from an integer of a different size
Winvalid-offsetof
@@
-272,12
+288,20
@@
Winvalid-pch
C ObjC C++ ObjC++ Warning
Warn about PCH files that are found but not used
C ObjC C++ ObjC++ Warning
Warn about PCH files that are found but not used
+Wjump-misses-init
+C ObjC Var(warn_jump_misses_init) Init(-1) Warning
+Warn when a jump misses a variable initialization
+
+Wlogical-op
+C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning
+Warn when a logical operator is suspiciously always evaluating to true or false
+
Wlong-long
Wlong-long
-C ObjC C++ ObjC++ Var(warn_long_long) Init(1) Warning
+C ObjC C++ ObjC++ Var(warn_long_long) Init(
-
1) Warning
Do not warn about using \"long long\" when -pedantic
Wmain
Do not warn about using \"long long\" when -pedantic
Wmain
-C ObjC C++ ObjC++ Warning
+C ObjC C++ ObjC++
Var(warn_main) Init(-1)
Warning
Warn about suspicious declarations of \"main\"
Wmissing-braces
Warn about suspicious declarations of \"main\"
Wmissing-braces
@@
-356,6
+380,10
@@
Woverride-init
C ObjC Var(warn_override_init) Init(-1) Warning
Warn about overriding initializers without side effects
C ObjC Var(warn_override_init) Init(-1) Warning
Warn about overriding initializers without side effects
+Wpacked-bitfield-compat
+C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning
+Warn about packed bit-fields whose offset changed in GCC 4.4
+
Wparentheses
C ObjC C++ ObjC++ Var(warn_parentheses) Warning
Warn about possibly missing parentheses
Wparentheses
C ObjC C++ ObjC++ Var(warn_parentheses) Warning
Warn about possibly missing parentheses
@@
-420,13
+448,17
@@
Wstrict-selector-match
ObjC ObjC++ Var(warn_strict_selector_match) Warning
Warn if type signatures of candidate methods do not match exactly
ObjC ObjC++ Var(warn_strict_selector_match) Warning
Warn if type signatures of candidate methods do not match exactly
+Wsync-nand
+C C++ Var(warn_sync_nand) Init(1) Warning
+Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used
+
Wsynth
C++ ObjC++ Var(warn_synth) Warning
Deprecated. This switch has no effect
Wsystem-headers
C ObjC C++ ObjC++ Warning
Wsynth
C++ ObjC++ Var(warn_synth) Warning
Deprecated. This switch has no effect
Wsystem-headers
C ObjC C++ ObjC++ Warning
-Do not suppress warnings from system headers
+; Documented in common.opt
Wtraditional
C ObjC Var(warn_traditional) Warning
Wtraditional
C ObjC Var(warn_traditional) Warning
@@
-452,10
+484,18
@@
Wunknown-pragmas
C ObjC C++ ObjC++ Warning
Warn about unrecognized pragmas
C ObjC C++ ObjC++ Warning
Warn about unrecognized pragmas
+Wunsuffixed-float-constants
+C ObjC Var(warn_unsuffixed_float_constants) Warning
+Warn about unsuffixed float constants
+
Wunused-macros
C ObjC C++ ObjC++ Warning
Warn about macros defined in the main file that are not used
Wunused-macros
C ObjC C++ ObjC++ Warning
Warn about macros defined in the main file that are not used
+Wunused-result
+C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning
+Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value
+
Wvariadic-macros
C ObjC C++ ObjC++ Warning
Do not warn about using variadic macros when -pedantic
Wvariadic-macros
C ObjC C++ ObjC++ Warning
Do not warn about using variadic macros when -pedantic
@@
-522,6
+562,10
@@
fconstant-string-class=
ObjC ObjC++ Joined
-fconst-string-class=<name> Use class <name> for constant strings
ObjC ObjC++ Joined
-fconst-string-class=<name> Use class <name> for constant strings
+fdeduce-init-list
+C++ ObjC++ Var(flag_deduce_init_list) Init(1)
+-fno-deduce-init-list disable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list
+
fdefault-inline
C++ ObjC++
Inline member functions by default
fdefault-inline
C++ ObjC++
Inline member functions by default
@@
-671,11
+715,11
@@
Enable Objective-C setjmp exception handling runtime
fopenmp
C ObjC C++ ObjC++ Var(flag_openmp)
fopenmp
C ObjC C++ ObjC++ Var(flag_openmp)
-Enable OpenMP
+Enable OpenMP
(implies -frecursive in Fortran)
foperator-names
C++ ObjC++
foperator-names
C++ ObjC++
-Recognize C++ kewords like \"compl\" and \"xor\"
+Recognize C++ ke
y
words like \"compl\" and \"xor\"
foptional-diags
C++ ObjC++
foptional-diags
C++ ObjC++
@@
-696,6
+740,10
@@
fpreprocessed
C ObjC C++ ObjC++
Treat the input file as already preprocessed
C ObjC C++ ObjC++
Treat the input file as already preprocessed
+fpretty-templates
+C++ ObjC++
+-fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments
+
freplace-objc-classes
ObjC ObjC++
Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime
freplace-objc-classes
ObjC ObjC++
Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime
@@
-725,7
+773,7
@@
C ObjC C++ ObjC++
When \"signed\" or \"unsigned\" is not given make the bitfield signed
fsigned-char
When \"signed\" or \"unsigned\" is not given make the bitfield signed
fsigned-char
-C ObjC C++ ObjC++
+C ObjC C++ ObjC++
LTO
Make \"char\" signed by default
fsquangle
Make \"char\" signed by default
fsquangle
@@
-743,8
+791,11
@@
C ObjC C++ ObjC++ Joined RejectNegative UInteger
-ftabstop=<number> Distance between tab stops for column reporting
ftemplate-depth-
-ftabstop=<number> Distance between tab stops for column reporting
ftemplate-depth-
+C++ ObjC++ Joined RejectNegative UInteger Undocumented
+
+ftemplate-depth=
C++ ObjC++ Joined RejectNegative UInteger
C++ ObjC++ Joined RejectNegative UInteger
--ftemplate-depth
-
<number> Specify maximum template instantiation depth
+-ftemplate-depth
=
<number> Specify maximum template instantiation depth
fthis-is-variable
C++ ObjC++
fthis-is-variable
C++ ObjC++
@@
-758,7
+809,7
@@
C ObjC C++ ObjC++
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
funsigned-char
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
funsigned-char
-C ObjC C++ ObjC++
+C ObjC C++ ObjC++
LTO
Make \"char\" unsigned by default
fuse-cxa-atexit
Make \"char\" unsigned by default
fuse-cxa-atexit
@@
-831,7
+882,7
@@
C ObjC C++ ObjC++ Joined Separate
imultilib
C ObjC C++ ObjC++ Joined Separate
imultilib
C ObjC C++ ObjC++ Joined Separate
--imultilib <dir> Set <dir> to be the multilib include subdirectory
+-imultilib <dir>
Set <dir> to be the multilib include subdirectory
include
C ObjC C++ ObjC++ Joined Separate
include
C ObjC C++ ObjC++ Joined Separate
@@
-914,6
+965,10
@@
std=c89
C ObjC
Conform to the ISO 1990 C standard
C ObjC
Conform to the ISO 1990 C standard
+std=c90
+C ObjC
+Conform to the ISO 1990 C standard
+
std=c99
C ObjC
Conform to the ISO 1999 C standard
std=c99
C ObjC
Conform to the ISO 1999 C standard
@@
-937,6
+992,10
@@
std=gnu89
C ObjC
Conform to the ISO 1990 C standard with GNU extensions
C ObjC
Conform to the ISO 1990 C standard with GNU extensions
+std=gnu90
+C ObjC
+Conform to the ISO 1990 C standard with GNU extensions
+
std=gnu99
C ObjC
Conform to the ISO 1999 C standard with GNU extensions
std=gnu99
C ObjC
Conform to the ISO 1999 C standard with GNU extensions