diff options
Diffstat (limited to 'gcc/c.opt')
| -rw-r--r-- | gcc/c.opt | 156 |
1 files changed, 149 insertions, 7 deletions
diff --git a/gcc/c.opt b/gcc/c.opt index 8267e0ee497..77361f544ce 100644 --- a/gcc/c.opt +++ b/gcc/c.opt @@ -102,7 +102,7 @@ C ObjC C++ ObjC++ Undocumented F C ObjC C++ ObjC++ Joined Separate --F <dir> Add <dir> to the end of the main framework include path +-F <dir> Add <dir> to the end of the main framework include path H C ObjC C++ ObjC++ @@ -156,6 +156,12 @@ U C ObjC C++ ObjC++ Joined Separate -U<macro> Undefine <macro> +; APPLE LOCAL begin -Wno-#warnings +W#warnings +C ObjC C++ ObjC++ +Enable #warning +; APPLE LOCAL end -Wno-#warnings + Wabi C++ ObjC++ Var(warn_abi) Warn about things that will change when compiling with an ABI-compliant compiler @@ -164,6 +170,12 @@ Wall C ObjC C++ ObjC++ Enable most warning messages +; APPLE LOCAL begin ObjC GC +Wassign-intercept +ObjC ObjC++ Var(warn_assign_intercept) +Warn whenever an ObjC assignment is being intercepted by the garbage collector +; APPLE LOCAL end ObjC GC + Wbad-function-cast C ObjC Var(warn_bad_function_cast) Warn about casting functions to incompatible types @@ -188,6 +200,12 @@ Wconversion C ObjC C++ ObjC++ Var(warn_conversion) Warn about possibly confusing type conversions +; APPLE LOCAL begin 64bit shorten warning 3865314 +Wshorten-64-to-32 +C ObjC C++ ObjC++ Var(warn_shorten_64_to_32) +Warn if a value is implicitly converted from a 64 bit type to a 32 bit type +; APPLE LOCAL end 64bit shorten warning 3865314 + Wctor-dtor-privacy C++ ObjC++ Var(warn_ctor_dtor_privacy) Warn when all constructors and destructors are private @@ -200,6 +218,12 @@ Wdeprecated C++ ObjC++ Var(warn_deprecated) Init(1) Warn about deprecated compiler features +; APPLE LOCAL begin 4086969 +Wdiscard-qual +C ObjC Var(warn_discard_qual) Init(1) +Warn about discarded qualifiers +; APPLE LOCAL end 4086969 + Wdiv-by-zero C ObjC Var(warn_div_by_zero) Init(1) Warn about compile-time integer division by zero @@ -220,6 +244,12 @@ Werror-implicit-function-declaration C ObjC RejectNegative Make implicit function declarations an error +; APPLE LOCAL begin -Wextra-tokens +Wextra-tokens +C ObjC C++ ObjC++ +Warn about extra tokens at the end of prepreprocessor directives +; APPLE LOCAL end -Wextra-tokens + Wfloat-equal C ObjC C++ ObjC++ Var(warn_float_equal) Warn if testing floating point numbers for equality @@ -251,6 +281,12 @@ Warn about zero-length formats Wformat= C ObjC C++ ObjC++ Joined +; APPLE LOCAL begin -Wfour-char-constants +Wfour-char-constants +C ObjC C++ ObjC++ +Warn about multicharacter constants containing exactly four characters +; APPLE LOCAL end -Wfour-char-constants + Winit-self C ObjC C++ ObjC++ Var(warn_init_self) Warn about variables which are initialized to themselves. @@ -278,6 +314,12 @@ Winvalid-pch C ObjC C++ ObjC++ Warn about PCH files that are found but not used +; APPLE LOCAL begin -Wlong-double +Wlong-double +C ObjC C++ ObjC++ +Warn about \"long double\" +; APPLE LOCAL end -Wlong-double + Wlong-long C ObjC C++ ObjC++ Var(warn_long_long) Init(1) Do not warn about using \"long long\" when -pedantic @@ -310,6 +352,12 @@ Wmissing-prototypes C ObjC Var(warn_missing_prototypes) Warn about global functions without prototypes +; APPLE LOCAL begin -Wmost +Wmost +C ObjC C++ ObjC++ +Like -Wall but without -Wparentheses +; APPLE LOCAL end -Wmost + Wmultichar C ObjC C++ ObjC++ Warn about use of multi-character character constants @@ -318,6 +366,18 @@ Wnested-externs C ObjC Var(warn_nested_externs) Warn about \"extern\" declarations not at file scope +; APPLE LOCAL begin -Wnewline-eof +Wnewline-eof +C ObjC C++ ObjC++ +Warn about files missing a newline at the end of the file +; APPLE LOCAL end -Wnewline-eof + +; APPLE LOCAL begin non lvalue assign +Wnon-lvalue-assign +C ObjC C++ ObjC++ Var(warn_non_lvalue_assign) Init(1) +Warn about assignment to casts and conditional expressions of lvalues +; APPLE LOCAL end non lvalue assign + Wnon-template-friend C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warn when non-templatized friend functions are declared within a template @@ -330,6 +390,12 @@ Wnonnull C ObjC Var(warn_nonnull) Warn about NULL being passed to argument slots marked as requiring non-NULL +; APPLE LOCAL begin mainline UCNs 2005-04-17 3892809 +Wnormalized= +C ObjC C++ ObjC++ Joined +-Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings +; APPLE LOCAL end mainline UCNs 2005-04-17 3892809 + Wold-style-cast C++ ObjC++ Var(warn_old_style_cast) Warn if a C-style cast is used in a program @@ -390,6 +456,12 @@ Wstrict-prototypes C ObjC Var(warn_strict_prototypes) Warn about unprototyped function declarations +; APPLE LOCAL begin Objective-C +Wstrict-selector-match +ObjC ObjC++ Var(warn_strict_selector_match) +Warn if type signatures of candidate methods do not match exactly +; APPLE LOCAL end Objective-C + Wsynth C++ ObjC++ Var(warn_synth) Warn when synthesis behavior differs from Cfront @@ -436,7 +508,13 @@ Warn when a pointer differs in signedness in an assignment. ansi C ObjC C++ ObjC++ -A synonym for -std=c89. In a future version of GCC it will become synonymous with -std=c99 instead +A synonym for -std=c89 (for C) or -std=c++98 (for C++). + +; APPLE LOCAL begin fat builds +arch +C ObjC C++ ObjC++ Separate +The architecture to build for. +; APPLE LOCAL end fat builds d C ObjC C++ ObjC++ Joined @@ -453,10 +531,36 @@ falt-external-templates C++ ObjC++ Change when template instances are emitted +; APPLE LOCAL begin Altivec 3837840 +faltivec +C ObjC C++ ObjC++ Var(flag_faltivec) +Enable Altivec +; APPLE LOCAL end Altivec 3837840 + fasm C ObjC C++ ObjC++ Recognize the \"asm\" keyword +; APPLE LOCAL begin CW asm blocks +fasm-blocks +C ObjC C++ ObjC++ +Handle CW-style assembly blocks +; APPLE LOCAL end CW asm blocks + +; APPLE LOCAL begin -fast or -fastf or -fastcp +fast +C C++ +Used for c or c++ optimization + +fastcp +C++ +Used when C++ specific optimization is needed + +fastf +C +Used when c is generated from NAG fortran +; APPLE LOCAL end -fast or -fastf or -fastcp + fbuiltin C ObjC C++ ObjC++ Recognize built-in functions @@ -468,6 +572,12 @@ fcheck-new C++ ObjC++ Check the return value of new +; APPLE LOCAL begin structor decloning +fclone-structors +C++ ObjC++ +Factor out certain duplicate code in constructors and destructors +; APPLE LOCAL end structor decloning + fcond-mismatch C ObjC C++ ObjC++ Allow the arguments of the '?' operator to have different types @@ -488,6 +598,12 @@ fdefault-inline C++ ObjC++ Inline member functions by default +; APPLE LOCAL begin disable_typechecking_for_spec_flag +fdisable-typechecking-for-spec +C C++ +Make crossfile type mismatches warnings not errors (for SPEC) +; APPLE LOCAL end disable_typechecking_for_spec_flag + fdollars-in-identifiers C ObjC C++ ObjC++ Permit '$' as an identifier character @@ -508,7 +624,7 @@ C ObjC C++ ObjC++ Joined RejectNegative finput-charset= C ObjC C++ ObjC++ Joined RejectNegative --finput-charset=<cset> Specify the default character set for source files. +-finput-charset=<cset> Specify the default character set for source files. fexternal-templates @@ -586,16 +702,40 @@ fnil-receivers ObjC ObjC++ Assume that receivers of Objective-C messages may be nil +; APPLE LOCAL begin non lvalue assign +fnon-lvalue-assign +C ObjC C++ ObjC++ Var(flag_non_lvalue_assign) Init(1) +Allow assignment to casts and conditional expressions of lvalues +; APPLE LOCAL end non lvalue assign + fnonansi-builtins C++ ObjC++ fnonnull-objects C++ ObjC++ +; APPLE LOCAL begin ObjC C++ ivars +fobjc-call-cxx-cdtors +ObjC++ +Generate special ObjC methods to initialize/destroy non-POD C++ ivars, if needed +; APPLE LOCAL end ObjC C++ ivars + +; APPLE LOCAL begin ObjC direct dispatch +fobjc-direct-dispatch +ObjC ObjC++ Var(flag_objc_direct_dispatch) +Allow fast jumps (via comm page) to the message dispatcher +; APPLE LOCAL end ObjC direct dispatch + fobjc-exceptions ObjC ObjC++ Enable Objective-C exception and synchronization syntax +; APPLE LOCAL begin ObjC GC +fobjc-gc +ObjC ObjC++ Var(flag_objc_gc) +Enable garbage collection (GC) in ObjC/ObjC++ programs +; APPLE LOCAL end ObjC GC + fobjc-sjlj-exceptions ObjC ObjC++ Enable Objective-C setjmp exception handling runtime @@ -695,9 +835,11 @@ fuse-cxa-atexit C++ ObjC++ Use __cxa_atexit to register destructors +; APPLE LOCAL begin mainline 4.0 2005-03-25 fvisibility-inlines-hidden -C++ +C++ ObjC++ Marks all inlined methods as having hidden visibility +; APPLE LOCAL end mainline 4.0 2005-03-25 fvtable-gc C++ ObjC++ @@ -835,7 +977,7 @@ Deprecated in favor of -std=gnu99 std=iso9899:1990 C ObjC -Deprecated in favor of -std=c89 +Conform to the ISO 1990 C standard std=iso9899:199409 C ObjC @@ -843,11 +985,11 @@ Conform to the ISO 1990 C standard as amended in 1994 std=iso9899:1999 C ObjC -Deprecated in favor of -std=c99 +Conform to the ISO 1999 C standard std=iso9899:199x C ObjC -Deprecated in favor of -std=c99 +Deprecated in favor of -std=iso9899:1999 traditional-cpp C ObjC C++ ObjC++ |