GCC's command line options are indexed here without any initial - or --. Where an option has both positive and negative forms (such as -foption and -fno-option), relevant entries in the manual are indexed under the most appropriate form; it may sometimes be useful to look up both forms.
###: Overall Options-fno-nil-receivers: Objective-C Dialect Options-fobjc-direct-dispatch: Objective-C Dialect Options-fobjc-exceptions: Objective-C Dialect Options-freplace-objc-classes: Objective-C Dialect Options-fzero-link: Objective-C Dialect Options-mone-byte-bool: Darwin OptionsA: Preprocessor OptionsA-: Preprocessor Optionsall_load: Darwin Optionsallowable_client: Darwin Optionsansi: Other Builtinsansi: Non-bugsansi: Preprocessor Optionsansi: Standardsansi: C Dialect Optionsarch: Overall Optionsarch_errors_fatal: Darwin Optionsarch_only: Darwin Optionsaux-info: C Dialect Optionsb: Target OptionsB: Directory Optionsbind_at_load: Darwin Optionsbundle: Darwin Optionsbundle_loader: Darwin Optionsc: Link Optionsc: Overall OptionsC: Preprocessor Optionsclient_name: Darwin Optionscompatibility_version: Darwin Optionscrossjumping: Optimize Optionscurrent_version: Darwin OptionsD: Preprocessor Optionsd: Debugging Optionsda: Debugging OptionsdA: Debugging Optionsdb: Debugging OptionsdB: Debugging Optionsdc: Debugging OptionsdC: Debugging Optionsdd: Debugging OptionsdD: Debugging OptionsdD: Preprocessor Optionsde: Debugging OptionsdE: Debugging Optionsdead_strip: Darwin Optionsdependency-file: Darwin Optionsdependency-file name: Preprocessor Optionsdf: Debugging OptionsdF: Debugging OptionsdG: Debugging Optionsdg: Debugging Optionsdh: Debugging Optionsdi: Debugging OptionsdI: Preprocessor Optionsdj: Debugging Optionsdk: Debugging Optionsdl: Debugging OptionsdL: Debugging Optionsdm: Debugging OptionsdM: Preprocessor OptionsdM: Debugging Optionsdn: Debugging OptionsdN: Preprocessor OptionsdN: Debugging Optionsdo: Debugging OptionsdP: Debugging Optionsdp: Debugging Optionsdr: Debugging OptionsdR: Debugging Optionsds: Debugging OptionsdS: Debugging Optionsdt: Debugging Optionsdu: Debugging Optionsdumpmachine: Debugging Optionsdumpspecs: Debugging Optionsdumpversion: Debugging Optionsdv: Debugging Optionsdw: Debugging Optionsdx: Debugging OptionsdX: Debugging Optionsdy: Debugging Optionsdylib_file: Darwin Optionsdylinker_install_name: Darwin Optionsdynamic: Darwin Optionsdynamiclib: Darwin Optionsdz: Debugging OptionsE: Overall OptionsE: Link Optionsexported_symbols_list: Darwin OptionsF: Directory Optionsfabi-version: C++ Dialect Optionsfalign-functions: Optimize Optionsfalign-jump-max-skips: Optimize Optionsfalign-jumps: Optimize Optionsfalign-labels: Optimize Optionsfalign-loops: Optimize Optionsfalign-loops-max-skip: Optimize Optionsfalt-external-templates: C++ Dialect Optionsfapple-kext: C++ Dialect Optionsfargument-alias: Code Gen Optionsfargument-noalias: Code Gen Optionsfargument-noalias-global: Code Gen Optionsfast: Optimize Optionsfbounds-check: Code Gen Optionsfbranch-probabilities: Optimize Optionsfcall-saved: Interoperationfcall-saved: Code Gen Optionsfcall-used: Code Gen Optionsfcaller-saves: Optimize Optionsfcheck-new: C++ Dialect Optionsfcoalesce: C Dialect Optionsfcoalesce-templates: C++ Dialect Optionsfcond-mismatch: C Dialect Optionsfconserve-space: C++ Dialect Optionsfconstant-cfstrings: C Dialect Optionsfconstant-string-class: Objective-C Dialect Optionsfcse-follow-jumps: Optimize Optionsfcse-skip-blocks: Optimize Optionsfdata-sections: Optimize Optionsfdelayed-branch: Optimize Optionsfdelete-null-pointer-checks: Optimize Optionsfdiagnostics-show-location: Language Independent Optionsfdollars-in-identifiers: Interoperationfdollars-in-identifiers: C++ Dialect Optionsfdump-class-hierarchy: Debugging Optionsfdump-translation-unit: Debugging Optionsfdump-tree: Debugging Optionsfdump-unnumbered: Debugging Optionsfeliminate-dwarf2-dups: Debugging Optionsfexceptions: Code Gen Optionsfexpensive-optimizations: Optimize Optionsfexternal-templates: C++ Dialect Optionsffast-math: Optimize Optionsffinite-math-only: Optimize Optionsffixed: Code Gen Optionsffloat-store: Optimize Optionsffloat-store: Disappointmentsffor-scope: C++ Dialect Optionsfforce-addr: Optimize Optionsfforce-mem: Optimize Optionsffreestanding: C Dialect Optionsffreestanding: Function Attributesffreestanding: Standardsffunction-sections: Optimize Optionsfgcse: Optimize Optionsfgcse-lm: Optimize Optionsfgcse-sm: Optimize Optionsfgnu-runtime: Objective-C Dialect Optionsfhosted: C Dialect Optionsfilelist: Darwin Optionsfindirect-virtual-calls: C++ Dialect Optionsfinhibit-size-directive: Code Gen Optionsfinline-functions: Optimize Optionsfinline-limit: Optimize Optionsfinstrument-functions: Function Attributesfinstrument-functions: Code Gen Optionsfkeep-inline-functions: Inlinefkeep-inline-functions: Optimize Optionsfkeep-static-consts: Optimize Optionsflat_namespace: Darwin Optionsfleading-underscore: Code Gen Optionsfloop-optimize: Optimize Optionsfmem-report: Debugging Optionsfmessage-length: Language Independent Optionsfmove-all-movables: Optimize Optionsfms-extensions: C++ Dialect Optionsfms-extensions: C Dialect Optionsfnew-ra: Optimize Optionsfnext-runtime: Objective-C Dialect Optionsfno-access-control: C++ Dialect Optionsfno-asm: C Dialect Optionsfno-branch-count-reg: Optimize Optionsfno-builtin: Other Builtinsfno-builtin: C Dialect Optionsfno-common: Variable Attributesfno-common: Code Gen Optionsfno-const-strings: C++ Dialect Optionsfno-cprop-registers: Optimize Optionsfno-default-inline: Inlinefno-default-inline: C++ Dialect Optionsfno-default-inline: Optimize Optionsfno-defer-pop: Optimize Optionsfno-elide-constructors: C++ Dialect Optionsfno-enforce-eh-specs: C++ Dialect Optionsfno-for-scope: C++ Dialect Optionsfno-function-cse: Optimize Optionsfno-gnu-keywords: C++ Dialect Optionsfno-gnu-linker: Code Gen Optionsfno-guess-branch-probability: Optimize Optionsfno-ident: Code Gen Optionsfno-implement-inlines: C++ Dialect Optionsfno-implement-inlines: C++ Interfacefno-implicit-inline-templates: C++ Dialect Optionsfno-implicit-templates: Template Instantiationfno-implicit-templates: C++ Dialect Optionsfno-inline: Optimize Optionsfno-math-errno: Optimize Optionsfno-nonansi-builtins: C++ Dialect Optionsfno-operator-names: C++ Dialect Optionsfno-optional-diags: C++ Dialect Optionsfno-peephole: Optimize Optionsfno-peephole2: Optimize Optionsfno-rtti: C++ Dialect Optionsfno-sched-interblock: Optimize Optionsfno-sched-spec: Optimize Optionsfno-show-column: Preprocessor Optionsfno-signed-bitfields: C Dialect Optionsfno-stack-limit: Code Gen Optionsfno-trapping-math: Optimize Optionsfno-unsigned-bitfields: C Dialect Optionsfno-weak: C++ Dialect Optionsfno-zero-initialized-in-bss: Optimize Optionsfnon-call-exceptions: Code Gen Optionsfomit-frame-pointer: Optimize Optionsfoptimize-register-move: Optimize Optionsfoptimize-sibling-calls: Optimize Optionsforce_cpusubtype_ALL: Darwin Optionsforce_flat_namespace: Darwin Optionsfpack-struct: Code Gen Optionsfpcc-struct-return: Code Gen Optionsfpcc-struct-return: Incompatibilitiesfpch-deps: Preprocessor Optionsfpch-preprocess: C Dialect Optionsfpermissive: C++ Dialect Optionsfpic: Code Gen OptionsfPIC: Code Gen Optionsfprefetch-loop-arrays: Optimize Optionsfpreprocessed: Preprocessor Optionsfprofile-arcs: Other Builtinsfprofile-arcs: Debugging Optionsfreduce-all-givs: Optimize Optionsfreg-struct-return: Code Gen Optionsfregmove: Optimize Optionsfrename-registers: Optimize Optionsfreorder-blocks: Optimize Optionsfreorder-functions: Optimize Optionsfrepo: Template Instantiationfrepo: C++ Dialect Optionsfrerun-cse-after-loop: Optimize Optionsfrerun-loop-opt: Optimize Optionsfsave-repository: Debugging Optionsfsched-spec-load: Optimize Optionsfsched-spec-load-dangerous: Optimize Optionsfsched-verbose: Debugging Optionsfschedule-insns: Optimize Optionsfschedule-insns2: Optimize Optionsfshared-data: Code Gen Optionsfshort-double: Code Gen Optionsfshort-enums: Type Attributesfshort-enums: Non-bugsfshort-enums: Code Gen Optionsfshort-wchar: Code Gen Optionsfsignaling-nans: Optimize Optionsfsigned-bitfields: C Dialect Optionsfsigned-bitfields: Non-bugsfsigned-char: C Dialect Optionsfsingle-precision-constant: Optimize Optionsfskip-unused-source: C++ Dialect Optionsfssa: Optimize Optionsfssa-ccp: Optimize Optionsfssa-dce: Optimize Optionsfstack-check: Code Gen Optionsfstack-limit-register: Code Gen Optionsfstack-limit-symbol: Code Gen Optionsfstats: C++ Dialect Optionsfstrength-reduce: Optimize Optionsfstrict-aliasing: Optimize Optionsfsyntax-only: Warning Optionsftabstop: Preprocessor Optionsftemplate-depth: C++ Dialect Optionsftest-coverage: Debugging Optionsfthread-jumps: Optimize Optionsftime-report: Debugging Optionsftracer: Optimize Optionsftrapv: Code Gen Optionsfunroll-all-loops: Optimize Optionsfunroll-loops: Optimize Optionsfunroll-loops: Non-bugsfunsafe-math-optimizations: Optimize Optionsfunsigned-bitfields: C Dialect Optionsfunsigned-bitfields: Non-bugsfunsigned-char: C Dialect Optionsfunwind-tables: Code Gen Optionsfuse-cxa-atexit: C++ Dialect Optionsfverbose-asm: Code Gen Optionsfvolatile: Code Gen Optionsfvolatile-global: Code Gen Optionsfvolatile-static: Code Gen Optionsfvtable-gc: C++ Dialect Optionsfweak-coalesced: C Dialect Optionsfwritable-strings: C Dialect Optionsfwritable-strings: Incompatibilitiesg: Debugging OptionsG: RS/6000 and PowerPC Optionsgcc: Preprocessor Optionsgen-decls: Objective-C Dialect Optionsggdb: Debugging Optionsgrepository: Debugging Optionsgstabs: Debugging Optionsgstabs+: Debugging OptionsH: Preprocessor Optionsheaderpad_max_install_names: Darwin Optionshelp: Preprocessor Optionshelp: Overall OptionsI: Directory OptionsI: Preprocessor OptionsI-: Directory OptionsI-: Preprocessor Optionsidirafter: Preprocessor Optionsif-conversion: Optimize Optionsif-conversion2: Optimize Optionsimacros: Preprocessor Optionsimage_base: Darwin Optionsinclude: Preprocessor Optionsinit: Darwin Optionsinstall_name: Darwin Optionsiprefix: Preprocessor Optionsisystem: Preprocessor Optionsiwithprefix: Preprocessor Optionsiwithprefixbefore: Preprocessor Optionskeep_private_externs: Darwin Optionsl: Link OptionsL: Directory Optionslobjc: Link OptionsM: Preprocessor Optionsm128bit-long-double: i386 and x86-64 Optionsm32: i386 and x86-64 Optionsm386: i386 and x86-64 Optionsm3dnow: i386 and x86-64 Optionsm486: i386 and x86-64 Optionsm64: i386 and x86-64 Optionsm96bit-long-double: i386 and x86-64 Optionsmabi=altivec: RS/6000 and PowerPC Optionsmabi=no-altivec: RS/6000 and PowerPC Optionsmabi=no-spe: RS/6000 and PowerPC Optionsmabi=spe: RS/6000 and PowerPC Optionsmaccumulate-outgoing-args: i386 and x86-64 Optionsmads: RS/6000 and PowerPC Optionsmaix-struct-return: RS/6000 and PowerPC Optionsmaix32: RS/6000 and PowerPC Optionsmaix64: RS/6000 and PowerPC Optionsmalign-double: i386 and x86-64 Optionsmaltivec: RS/6000 and PowerPC Optionsmarch: i386 and x86-64 Optionsmasm=dialect: i386 and x86-64 Optionsmbig: RS/6000 and PowerPC Optionsmbig-endian: RS/6000 and PowerPC Optionsmbit-align: RS/6000 and PowerPC Optionsmcall-aix: RS/6000 and PowerPC Optionsmcall-gnu: RS/6000 and PowerPC Optionsmcall-linux: RS/6000 and PowerPC Optionsmcall-netbsd: RS/6000 and PowerPC Optionsmcall-solaris: RS/6000 and PowerPC Optionsmcall-sysv: RS/6000 and PowerPC Optionsmcall-sysv-eabi: RS/6000 and PowerPC Optionsmcall-sysv-noeabi: RS/6000 and PowerPC Optionsmcmodel=kernel: i386 and x86-64 Optionsmcmodel=large: i386 and x86-64 Optionsmcmodel=medium: i386 and x86-64 Optionsmcmodel=small: i386 and x86-64 Optionsmcpu: RS/6000 and PowerPC Optionsmcpu: i386 and x86-64 OptionsMD: Preprocessor Optionsmdynamic-no-pic: RS/6000 and PowerPC Optionsmeabi: RS/6000 and PowerPC Optionsmemb: RS/6000 and PowerPC OptionsMF: Preprocessor Optionsmfull-toc: RS/6000 and PowerPC Optionsmfused-madd: RS/6000 and PowerPC OptionsMG: Preprocessor Optionsmhard-float: RS/6000 and PowerPC Optionsmieee-fp: i386 and x86-64 Optionsminline-all-stringops: i386 and x86-64 Optionsmisel: RS/6000 and PowerPC Optionsmlittle: RS/6000 and PowerPC Optionsmlittle-endian: RS/6000 and PowerPC Optionsmlong-branch: RS/6000 and PowerPC Optionsmlongcall: RS/6000 and PowerPC OptionsMM: Preprocessor OptionsMMD: Preprocessor Optionsmminimal-toc: RS/6000 and PowerPC Optionsmmmx: i386 and x86-64 Optionsmmultiple: RS/6000 and PowerPC Optionsmmvme: RS/6000 and PowerPC Optionsmnew-mnemonics: RS/6000 and PowerPC Optionsmno-3dnow: i386 and x86-64 Optionsmno-align-double: i386 and x86-64 Optionsmno-align-stringops: i386 and x86-64 Optionsmno-altivec: RS/6000 and PowerPC Optionsmno-bit-align: RS/6000 and PowerPC Optionsmno-eabi: RS/6000 and PowerPC Optionsmno-fancy-math-387: i386 and x86-64 Optionsmno-fp-in-toc: RS/6000 and PowerPC Optionsmno-fp-ret-in-387: i386 and x86-64 Optionsmno-fused-madd: RS/6000 and PowerPC Optionsmno-ieee-fp: i386 and x86-64 Optionsmno-longcall: RS/6000 and PowerPC Optionsmno-mmx: i386 and x86-64 Optionsmno-multiple: RS/6000 and PowerPC Optionsmno-power: RS/6000 and PowerPC Optionsmno-power2: RS/6000 and PowerPC Optionsmno-powerpc: RS/6000 and PowerPC Optionsmno-powerpc-gfxopt: RS/6000 and PowerPC Optionsmno-powerpc-gpopt: RS/6000 and PowerPC Optionsmno-powerpc64: RS/6000 and PowerPC Optionsmno-prototype: RS/6000 and PowerPC Optionsmno-push-args: i386 and x86-64 Optionsmno-regnames: RS/6000 and PowerPC Optionsmno-relocatable: RS/6000 and PowerPC Optionsmno-relocatable-lib: RS/6000 and PowerPC Optionsmno-sdata: RS/6000 and PowerPC Optionsmno-sse: i386 and x86-64 Optionsmno-strict-align: RS/6000 and PowerPC Optionsmno-string: RS/6000 and PowerPC Optionsmno-sum-in-toc: RS/6000 and PowerPC Optionsmno-svr3-shlib: i386 and x86-64 Optionsmno-toc: RS/6000 and PowerPC Optionsmno-update: RS/6000 and PowerPC Optionsmno-xl-call: RS/6000 and PowerPC Optionsmold-mnemonics: RS/6000 and PowerPC Optionsmomit-leaf-frame-pointer: i386 and x86-64 OptionsMP: Preprocessor Optionsmpe: RS/6000 and PowerPC Optionsmpentium: i386 and x86-64 Optionsmpentiumpro: i386 and x86-64 Optionsmpower: RS/6000 and PowerPC Optionsmpower2: RS/6000 and PowerPC Optionsmpowerpc: RS/6000 and PowerPC Optionsmpowerpc-gfxopt: RS/6000 and PowerPC Optionsmpowerpc-gpopt: RS/6000 and PowerPC Optionsmpowerpc64: RS/6000 and PowerPC Optionsmpreferred-stack-boundary: i386 and x86-64 Optionsmprototype: RS/6000 and PowerPC Optionsmpush-args: i386 and x86-64 OptionsMQ: Preprocessor Optionsmregnames: RS/6000 and PowerPC Optionsmregparm: i386 and x86-64 Optionsmrelocatable: RS/6000 and PowerPC Optionsmrelocatable-lib: RS/6000 and PowerPC Optionsmrtd: i386 and x86-64 Optionsmrtd: Function Attributesmsdata: RS/6000 and PowerPC Optionsmsdata-data: RS/6000 and PowerPC Optionsmsdata=default: RS/6000 and PowerPC Optionsmsdata=eabi: RS/6000 and PowerPC Optionsmsdata=none: RS/6000 and PowerPC Optionsmsdata=sysv: RS/6000 and PowerPC Optionsmsim: RS/6000 and PowerPC Optionsmsoft-float: RS/6000 and PowerPC Optionsmsoft-float: i386 and x86-64 Optionsmsse: i386 and x86-64 Optionsmstrict-align: RS/6000 and PowerPC Optionsmstring: RS/6000 and PowerPC Optionsmsvr3-shlib: i386 and x86-64 Optionsmsvr4-struct-return: RS/6000 and PowerPC OptionsMT: Preprocessor Optionsmthreads: i386 and x86-64 Optionsmtoc: RS/6000 and PowerPC Optionsmtune: RS/6000 and PowerPC Optionsmulti_module: Darwin Optionsmultiply_defined: Darwin Optionsmultiply_defined_unused: Darwin Optionsmupdate: RS/6000 and PowerPC Optionsmvxworks: RS/6000 and PowerPC Optionsmwindiss: RS/6000 and PowerPC Optionsmxl-call: RS/6000 and PowerPC Optionsmyellowknife: RS/6000 and PowerPC Optionsno-integrated-cpp: C Dialect Optionsno-red-zone: i386 and x86-64 Optionsno_dead_strip_inits_and_terms: Darwin Optionsnoall_load: Darwin Optionsnodefaultlibs: Link Optionsnomultidefs: Darwin Optionsnoprebind: Darwin Optionsnoseglinkedit: Darwin Optionsnostartfiles: Link Optionsnostdinc: Preprocessor Optionsnostdinc++: Preprocessor Optionsnostdinc++: C++ Dialect Optionsnostdlib: Link OptionsO: Optimize Optionso: Preprocessor Optionso: Overall OptionsO0: Optimize OptionsO1: Optimize OptionsO2: Optimize OptionsO3: Optimize OptionsObjC: Overall OptionsObjC++: Overall OptionsOs: Optimize Optionsp: Debugging OptionsP: Preprocessor Optionspagezero_size: Darwin Optionsparam: Optimize Optionspass-exit-codes: Overall Optionspedantic: Warnings and Errorspedantic: Standardspedantic: Alternate Keywordspedantic: C Extensionspedantic: Preprocessor Optionspedantic: Warning Optionspedantic-errors: Non-bugspedantic-errors: Warnings and Errorspedantic-errors: Warning Optionspedantic-errors: Preprocessor Optionspedantic-errors: Actual Bugspedantic-errors: Standardspg: Debugging Optionspipe: Overall Optionsprebind: Darwin Optionsprebind_all_twolevel_modules: Darwin Optionsprint-file-name: Debugging Optionsprint-libgcc-file-name: Debugging Optionsprint-multi-directory: Debugging Optionsprint-multi-lib: Debugging Optionsprint-prog-name: Debugging Optionsprint-search-dirs: Debugging Optionsprivate_bundle: Darwin Optionspthread: RS/6000 and PowerPC OptionsQ: Debugging Optionsread_only_relocs: Darwin Optionsremap: Preprocessor OptionsS: Link OptionsS: Overall Optionss: Link Optionssave-temps: Debugging Optionssectalign: Darwin Optionssectcreate: Darwin Optionssectobjectsymbols: Darwin Optionssectorder: Darwin Optionsseg1addr: Darwin Optionsseg_addr_table: Darwin Optionsseg_addr_table_filename: Darwin Optionsseglinkedit: Darwin Optionssegprot: Darwin Optionssegs_read_only_addr: Darwin Optionssegs_read_write_addr: Darwin Optionsshared: Link Optionsshared-libgcc: Link Optionssingle_module: Darwin Optionsspecs: Directory Optionsstatic: Link Optionsstatic: Darwin Optionsstatic-libgcc: Link Optionsstd: Other Builtinsstd: Standardsstd: Non-bugsstd: C Dialect Optionsstd=: Preprocessor Optionssub_library: Darwin Optionssub_umbrella: Darwin Optionssymbolic: Link Optionstarget-help: Overall Optionstarget-help: Preprocessor Optionstime: Debugging Optionstraditional: Incompatibilitiestraditional: C Dialect Optionstraditional-cpp: Preprocessor Optionstraditional-cpp: C Dialect Optionstrigraphs: C Dialect Optionstrigraphs: Preprocessor Optionstwolevel_namespace: Darwin Optionsu: Link OptionsU: Preprocessor Optionsumbrella: Darwin Optionsundef: Preprocessor Optionsundefined: Darwin Optionsunexported_symbols_list: Darwin OptionsV: Target Optionsv: Overall Optionsv: Preprocessor Optionsversion: Overall Optionsversion: Preprocessor OptionsW: Incompatibilitiesw: Preprocessor OptionsW: Warning Optionsw: Warning OptionsWa: Assembler OptionsWabi: C++ Dialect OptionsWaggregate-return: Warning OptionsWall: Warning OptionsWall: Standard LibrariesWall: Preprocessor OptionsWbad-function-cast: Warning OptionsWcast-align: Warning OptionsWcast-qual: Warning OptionsWchar-subscripts: Warning OptionsWcomment: Warning OptionsWcomment: Preprocessor OptionsWcomments: Preprocessor OptionsWconversion: Protoize CaveatsWconversion: Warning OptionsWctor-dtor-privacy: C++ Dialect OptionsWdisabled-optimization: Warning OptionsWdiv-by-zero: Warning Optionsweak_reference_mismatches: Darwin OptionsWeffc++: C++ Dialect OptionsWendif-labels: Preprocessor OptionsWendif-labels: Warning OptionsWerror: Warning OptionsWerror: Preprocessor OptionsWerror-implicit-function-declaration: Warning OptionsWextra-tokens: Warning OptionsWfloat-equal: Warning OptionsWformat: Warning OptionsWformat: Function AttributesWformat-nonliteral: Function AttributesWformat-nonliteral: Warning OptionsWformat-security: Warning OptionsWformat=2: Warning Optionswhatsloaded: Darwin Optionswhyload: Darwin OptionsWimplicit: Warning OptionsWimplicit-function-declaration: Warning OptionsWimplicit-int: Warning OptionsWimport: Preprocessor OptionsWinline: InlineWinline: Warning OptionsWinvalid-pch: Warning OptionsWl: Link OptionsWlarger-than: Warning OptionsWlong-long: Warning OptionsWmain: Warning OptionsWmissing-braces: Warning OptionsWmissing-declarations: Warning OptionsWmissing-format-attribute: Warning OptionsWmissing-noreturn: Warning OptionsWmissing-prototypes: Warning OptionsWmost: Warning OptionsWmultichar: Warning OptionsWnested-externs: Warning OptionsWnewline-eof: Warning OptionsWno-#warnings: Warning OptionsWno-altivec-long-deprecated: Warning OptionsWno-deprecated: C++ Dialect OptionsWno-deprecated-declarations: Warning OptionsWno-div-by-zero: Warning OptionsWno-format-extra-args: Warning OptionsWno-format-y2k: Warning OptionsWno-format-zero-length: Warning OptionsWno-import: Warning OptionsWno-invalid-offsetof: Warning OptionsWno-long-double: Warning OptionsWno-long-long: Warning OptionsWno-multichar: Warning OptionsWno-non-template-friend: C++ Dialect OptionsWno-pmf-conversions: Bound member functionsWno-pmf-conversions: C++ Dialect OptionsWno-protocol: Objective-C Dialect OptionsWnon-virtual-dtor: C++ Dialect OptionsWnonnull: Warning OptionsWold-style-cast: C++ Dialect OptionsWoverloaded-virtual: C++ Dialect OptionsWp: Preprocessor OptionsWpacked: Warning OptionsWpadded: Warning OptionsWparentheses: Warning OptionsWpointer-arith: Pointer ArithWpointer-arith: Warning OptionsWpragma-once: Warning OptionsWredundant-decls: Warning OptionsWreorder: C++ Dialect OptionsWreturn-type: Warning OptionsWselector: Objective-C Dialect OptionsWsequence-point: Warning OptionsWshadow: Warning OptionsWsign-compare: Warning OptionsWsign-promo: C++ Dialect OptionsWstrict-aliasing: Warning OptionsWstrict-prototypes: Warning OptionsWswitch: Warning OptionsWswitch-enum: Warning OptionsWswitch-switch: Warning OptionsWsynth: C++ Dialect OptionsWsystem-headers: Warning OptionsWsystem-headers: Preprocessor OptionsWtraditional: Preprocessor OptionsWtraditional: Warning OptionsWtrigraphs: Warning OptionsWtrigraphs: Preprocessor OptionsWundeclared-selector: Objective-C Dialect OptionsWundef: Preprocessor OptionsWundef: Warning OptionsWuninitialized: Warning OptionsWunknown-pragmas: Warning OptionsWunreachable-code: Warning OptionsWunused: Warning OptionsWunused-function: Warning OptionsWunused-label: Warning OptionsWunused-macros: Preprocessor OptionsWunused-parameter: Warning OptionsWunused-value: Warning OptionsWunused-variable: Warning OptionsWwrite-strings: Warning Optionsx: Preprocessor Optionsx: Overall OptionsXlinker: Link Options