Option Index

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
• -dynamiclib: Darwin Options
• -flimit-debug-info: Debugging Options
• -force_cpusubtype_ALL: Darwin Options
• -fsplit-ivs-in-unroller: Optimize Options
• -fvariable-expansion-in-unroller: Optimize Options
• -gfull: Darwin Options
• -gused: Darwin Options
• -mone-byte-bool: Darwin Options
• A: Preprocessor Options
• all_load: Darwin Options
• allowable_client: Darwin Options
• ansi: C Dialect Options
• ansi: Preprocessor Options
• ansi: Standards
• ansi: Other Builtins
• ansi: Non-bugs
• arch: Overall Options
• arch_errors_fatal: Darwin Options
• aux-info: C Dialect Options
• B: Directory Options
• b: Target Options
• bind_at_load: Darwin Options
• bundle: Darwin Options
• bundle_loader: Darwin Options
• c: Link Options
• C: Preprocessor Options
• c: Overall Options
• client_name: Darwin Options
• combine: Overall Options
• compatibility_version: Darwin Options
• crossjumping: Optimize Options
• current_version: Darwin Options
• D: Preprocessor Options
• d: Debugging Options
• da: Debugging Options
• dA: Debugging Options
• db: Debugging Options
• dB: Debugging Options
• dC: Debugging Options
• dc: Debugging Options
• dD: Preprocessor Options
• dd: Debugging Options
• dD: Debugging Options
• dE: Debugging Options
• dead_strip: Darwin Options
• dependency-file: Darwin Options
• dependency-file name: Preprocessor Options
• df: Debugging Options
• dg: Debugging Options
• dG: Debugging Options
• dh: Debugging Options
• dH: Debugging Options
• dI: Preprocessor Options
• di: Debugging Options
• dj: Debugging Options
• dk: Debugging Options
• dL: Debugging Options
• dl: Debugging Options
• dm: Debugging Options
• dM: Preprocessor Options
• dm: Debugging Options
• dM: Debugging Options
• dn: Debugging Options
• dN: Debugging Options
• dN: Preprocessor Options
• do: Debugging Options
• dp: Debugging Options
• dP: Debugging Options
• dr: Debugging Options
• dR: Debugging Options
• dS: Debugging Options
• ds: Debugging Options
• dt: Debugging Options
• dT: Debugging Options
• dumpmachine: Debugging Options
• dumpspecs: Debugging Options
• dumpversion: Debugging Options
• dv: Debugging Options
• dV: Debugging Options
• dw: Debugging Options
• dx: Debugging Options
• dy: Debugging Options
• dylib_file: Darwin Options
• dylinker_install_name: Darwin Options
• dynamic: Darwin Options
• dz: Debugging Options
• dZ: Debugging Options
• E: Link Options
• E: Overall Options
• exported_symbols_list: Darwin Options
• F: Darwin Options
• fabi-version: C++ Dialect Options
• falign-functions: Optimize Options
• falign-jump-max-skips: Optimize Options
• falign-jumps: Optimize Options
• falign-labels: Optimize Options
• falign-loops: Optimize Options
• falign-loops-max-skip: Optimize Options
• fapple-kext: Darwin Options
• fargument-alias: Code Gen Options
• fargument-noalias: Code Gen Options
• fargument-noalias-global: Code Gen Options
• fast: Optimize Options
• fasynchronous-unwind-tables: Code Gen Options
• fbounds-check: Optimize Options
• fbounds-check: Code Gen Options
• fbranch-probabilities: Optimize Options
• fbranch-target-load-optimize: Optimize Options
• fbranch-target-load-optimize2: Optimize Options
• fbtr-bb-exclusive: Optimize Options
• fcall-saved: Code Gen Options
• fcall-saved: Interoperation
• fcall-used: Code Gen Options
• fcaller-saves: Optimize Options
• fcheck-new: C++ Dialect Options
• fcommon: Variable Attributes
• fcond-mismatch: C Dialect Options
• fconserve-space: C++ Dialect Options
• fconstant-cfstrings: C Dialect Options
• fconstant-string-class: Objective-C and Objective-C++ Dialect Options
• fcse-follow-jumps: Optimize Options
• fcse-skip-blocks: Optimize Options
• fcx-limited-range: Optimize Options
• fdata-sections: Optimize Options
• fdelayed-branch: Optimize Options
• fdelete-null-pointer-checks: Optimize Options
• fdiagnostics-show-location: Language Independent Options
• fdollars-in-identifiers: Interoperation
• fdollars-in-identifiers: Preprocessor Options
• fdump-class-hierarchy: Debugging Options
• fdump-ipa: Debugging Options
• fdump-rtl-all: Debugging Options
• fdump-rtl-bbro: Debugging Options
• fdump-rtl-bp: Debugging Options
• fdump-rtl-btl: Debugging Options
• fdump-rtl-bypass: Debugging Options
• fdump-rtl-ce1: Debugging Options
• fdump-rtl-ce2: Debugging Options
• fdump-rtl-ce3: Debugging Options
• fdump-rtl-cfg: Debugging Options
• fdump-rtl-combine: Debugging Options
• fdump-rtl-cse: Debugging Options
• fdump-rtl-cse2: Debugging Options
• fdump-rtl-dbr: Debugging Options
• fdump-rtl-eh: Debugging Options
• fdump-rtl-expand: Debugging Options
• fdump-rtl-flow2: Debugging Options
• fdump-rtl-gcse: Debugging Options
• fdump-rtl-greg: Debugging Options
• fdump-rtl-jump: Debugging Options
• fdump-rtl-life: Debugging Options
• fdump-rtl-loop: Debugging Options
• fdump-rtl-loop2: Debugging Options
• fdump-rtl-lreg: Debugging Options
• fdump-rtl-mach: Debugging Options
• fdump-rtl-peephole2: Debugging Options
• fdump-rtl-postreload: Debugging Options
• fdump-rtl-regmove: Debugging Options
• fdump-rtl-rnreg: Debugging Options
• fdump-rtl-sched: Debugging Options
• fdump-rtl-sched2: Debugging Options
• fdump-rtl-sibling: Debugging Options
• fdump-rtl-sms: Debugging Options
• fdump-rtl-stack: Debugging Options
• fdump-rtl-tracer: Debugging Options
• fdump-rtl-vartrack: Debugging Options
• fdump-rtl-vpt: Debugging Options
• fdump-rtl-web: Debugging Options
• fdump-translation-unit: Debugging Options
• fdump-tree: Debugging Options
• fdump-tree-alias: Debugging Options
• fdump-tree-all: Debugging Options
• fdump-tree-ccp: Debugging Options
• fdump-tree-cfg: Debugging Options
• fdump-tree-ch: Debugging Options
• fdump-tree-copyrename: Debugging Options
• fdump-tree-dce: Debugging Options
• fdump-tree-ddall: Debugging Options
• fdump-tree-dom: Debugging Options
• fdump-tree-dse: Debugging Options
• fdump-tree-elck: Debugging Options
• fdump-tree-forwprop: Debugging Options
• fdump-tree-fre: Debugging Options
• fdump-tree-gimple: Debugging Options
• fdump-tree-loop: Debugging Options
• fdump-tree-mudflap: Debugging Options
• fdump-tree-nrv: Debugging Options
• fdump-tree-phiopt: Debugging Options
• fdump-tree-pre: Debugging Options
• fdump-tree-scev: Debugging Options
• fdump-tree-sra: Debugging Options
• fdump-tree-ssa: Debugging Options
• fdump-tree-vcg: Debugging Options
• fdump-tree-vect: Debugging Options
• fdump-unnumbered: Debugging Options
• feliminate-dwarf2-dups: Debugging Options
• feliminate-unused-debug-symbols: Debugging Options
• feliminate-unused-debug-types: Debugging Options
• fexceptions: Code Gen Options
• fexec-charset: Preprocessor Options
• fexpensive-optimizations: Optimize Options
• ffast-math: Optimize Options
• ffinite-math-only: Optimize Options
• ffix-and-continue: Darwin Options
• ffixed: Code Gen Options
• ffloat-store: Disappointments
• ffloat-store: Optimize Options
• ffor-scope: C++ Dialect Options
• fforce-addr: Optimize Options
• fforce-mem: Optimize Options
• ffreestanding: Warning Options
• ffreestanding: Function Attributes
• ffreestanding: Standards
• ffreestanding: C Dialect Options
• ffunction-sections: Optimize Options
• fgcse: Optimize Options
• fgcse-after-reload: Optimize Options
• fgcse-las: Optimize Options
• fgcse-lm: Optimize Options
• fgcse-sm: Optimize Options
• fgnu-runtime: Objective-C and Objective-C++ Dialect Options
• fhosted: C Dialect Options
• filelist: Darwin Options
• findirect-data: Darwin Options
• findirect-virtual-calls: Darwin Options
• finhibit-size-directive: Code Gen Options
• finline-functions: Optimize Options
• finline-limit: Optimize Options
• finput-charset: Preprocessor Options
• finstrument-functions: Function Attributes
• finstrument-functions: Code Gen Options
• fkeep-inline-functions: Optimize Options
• fkeep-inline-functions: Inline
• fkeep-static-consts: Optimize Options
• flat_namespace: Darwin Options
• fleading-underscore: Code Gen Options
• floop-optimize: Optimize Options
• floop-optimize2: Optimize Options
• fmem-report: Debugging Options
• fmessage-length: Language Independent Options
• fmodulo-sched: Optimize Options
• fmove-loop-invariants: Optimize Options
• fms-extensions: Unnamed Fields
• fms-extensions: C++ Dialect Options
• fms-extensions: C Dialect Options
• fmudflap: Optimize Options
• fmudflapir: Optimize Options
• fmudflapth: Optimize Options
• fnext-runtime: Objective-C and Objective-C++ Dialect Options
• fno-access-control: C++ Dialect Options
• fno-asm: C Dialect Options
• fno-branch-count-reg: Optimize Options
• fno-builtin: Warning Options
• fno-builtin: Other Builtins
• fno-builtin: C Dialect Options
• fno-builtin: Function Attributes
• fno-common: Code Gen Options
• fno-common: Variable Attributes
• fno-const-strings: C++ Dialect Options
• fno-cprop-registers: Optimize Options
• fno-cx-limited-range: Optimize Options
• fno-default-inline: C++ Dialect Options
• fno-default-inline: Optimize Options
• fno-default-inline: Inline
• fno-defer-pop: Optimize Options
• fno-elide-constructors: C++ Dialect Options
• fno-enforce-eh-specs: C++ Dialect Options
• fno-for-scope: C++ Dialect Options
• fno-function-cse: Optimize Options
• fno-gnu-keywords: C++ Dialect Options
• fno-guess-branch-probability: Optimize Options
• fno-ident: Code Gen Options
• fno-implement-inlines: C++ Interface
• fno-implement-inlines: C++ Dialect Options
• fno-implicit-inline-templates: C++ Dialect Options
• fno-implicit-templates: Template Instantiation
• fno-implicit-templates: C++ Dialect Options
• fno-inline: Optimize Options
• fno-math-errno: Optimize Options
• fno-nested-functions: C Dialect Options
• fno-nil-receivers: Objective-C and Objective-C++ Dialect Options
• fno-nonansi-builtins: C++ Dialect Options
• fno-operator-names: C++ Dialect Options
• fno-optional-diags: C++ Dialect Options
• fno-peephole: Optimize Options
• fno-peephole2: Optimize Options
• fno-rtti: C++ Dialect Options
• fno-sched-interblock: Optimize Options
• fno-sched-spec: Optimize Options
• fno-show-column: Preprocessor Options
• fno-signed-bitfields: C Dialect Options
• fno-stack-limit: Code Gen Options
• fno-threadsafe-statics: C++ Dialect Options
• fno-trapping-math: Optimize Options
• fno-unsigned-bitfields: C Dialect Options
• fno-use-cxa-get-exception-ptr: C++ Dialect Options
• fno-weak: C++ Dialect Options
• fno-working-directory: Preprocessor Options
• fno-zero-initialized-in-bss: Optimize Options
• fnon-call-exceptions: Code Gen Options
• fnon-lvalue-assign: C Dialect Options
• fobjc-call-cxx-cdtors: Objective-C and Objective-C++ Dialect Options
• fobjc-exceptions: Objective-C and Objective-C++ Dialect Options
• fobjc-gc: Objective-C and Objective-C++ Dialect Options
• fomit-frame-pointer: Optimize Options
• foptimize-register-move: Optimize Options
• foptimize-sibling-calls: Optimize Options
• force_flat_namespace: Darwin Options
• fpack-struct: Code Gen Options
• fpcc-struct-return: Code Gen Options
• fpcc-struct-return: Incompatibilities
• fpch-deps: Preprocessor Options
• fpch-preprocess: C Dialect Options
• fpch-preprocess: Preprocessor Options
• fpeel-loops: Optimize Options
• fpermissive: C++ Dialect Options
• fPIC: Code Gen Options
• fpic: Code Gen Options
• fPIE: Code Gen Options
• fpie: Code Gen Options
• fprefetch-loop-arrays: Optimize Options
• fpreprocessed: Preprocessor Options
• fprofile-arcs: Other Builtins
• fprofile-arcs: Debugging Options
• fprofile-generate: Optimize Options
• fprofile-use: Optimize Options
• fprofile-values: Optimize Options
• frandom-string: Debugging Options
• freg-struct-return: Code Gen Options
• fregmove: Optimize Options
• frename-registers: Optimize Options
• freorder-blocks: Optimize Options
• freorder-blocks-and-partition: Optimize Options
• freorder-functions: Optimize Options
• freplace-objc-classes: Objective-C and Objective-C++ Dialect Options
• frepo: Template Instantiation
• frepo: C++ Dialect Options
• frerun-cse-after-loop: Optimize Options
• frerun-loop-opt: Optimize Options
• frounding-math: Optimize Options
• fsave-repository: Overall Options
• fsched-spec-load: Optimize Options
• fsched-spec-load-dangerous: Optimize Options
• fsched-stalled-insns: Optimize Options
• fsched-stalled-insns-dep: Optimize Options
• fsched-verbose: Debugging Options
• fsched2-use-superblocks: Optimize Options
• fsched2-use-traces: Optimize Options
• fschedule-insns: Optimize Options
• fschedule-insns2: Optimize Options
• fscheduling-in-modulo-scheduled-loops: Optimize Options
• fshared-data: Code Gen Options
• fshort-double: Code Gen Options
• fshort-enums: Code Gen Options
• fshort-enums: Structures unions enumerations and bit-fields implementation
• fshort-enums: Non-bugs
• fshort-enums: Type Attributes
• fshort-wchar: Code Gen Options
• fsignaling-nans: Optimize Options
• fsigned-bitfields: C Dialect Options
• fsigned-bitfields: Non-bugs
• fsigned-char: C Dialect Options
• fsigned-char: Characters implementation
• fsingle-precision-constant: Optimize Options
• fspeculative-prefetching: Optimize Options
• fstack-check: Code Gen Options
• fstack-limit-register: Code Gen Options
• fstack-limit-symbol: Code Gen Options
• fstats: C++ Dialect Options
• fstrength-reduce: Optimize Options
• fstrict-aliasing: Optimize Options
• fsyntax-only: Warning Options
• ftabstop: Preprocessor Options
• ftemplate-depth: C++ Dialect Options
• fterminated-vtables: Darwin Options
• ftest-coverage: Debugging Options
• fthread-jumps: Optimize Options
• ftime-report: Debugging Options
• ftracer: Optimize Options
• ftrapv: Code Gen Options
• ftree-based-profiling: Debugging Options
• ftree-vectorizer-verbose: Debugging Options
• funit-at-a-time: Optimize Options
• funroll-all-loops: Optimize Options
• funroll-loops: Optimize Options
• funroll-loops: Non-bugs
• funroll-loops: Optimize Options
• funsafe-math-optimizations: Optimize Options
• funsigned-bitfields: Non-bugs
• funsigned-bitfields: C Dialect Options
• funsigned-bitfields: Structures unions enumerations and bit-fields implementation
• funsigned-char: C Dialect Options
• funsigned-char: Characters implementation
• funswitch-loops: Optimize Options
• funwind-tables: Code Gen Options
• fuse-cxa-atexit: C++ Dialect Options
• fvar-tracking: Debugging Options
• fverbose-asm: Code Gen Options
• fvisibility: Code Gen Options
• fvisibility-inlines-hidden: C++ Dialect Options
• fvisibility-ms-compat: C++ Dialect Options
• fvpt: Optimize Options
• fweb: Optimize Options
• fwide-exec-charset: Preprocessor Options
• fworking-directory: Preprocessor Options
• fwrapv: Code Gen Options
• fwritable-strings: C Dialect Options
• fwritable-strings: Incompatibilities
• fzero-link: Objective-C and Objective-C++ Dialect Options
• g: Debugging Options
• G: RS/6000 and PowerPC Options
• gdwarf-2: Debugging Options
• gen-decls: Objective-C and Objective-C++ Dialect Options
• ggdb: Debugging Options
• gstabs: Debugging Options
• gstabs+: Debugging Options
• H: Preprocessor Options
• headerpad_max_install_names: Darwin Options
• help: Preprocessor Options
• help: Overall Options
• I: Directory Options
• I: Preprocessor Options
• I-: Preprocessor Options
• I-: Directory Options
• idirafter: Preprocessor Options
• if-conversion: Optimize Options
• if-conversion2: Optimize Options
• imacros: Preprocessor Options
• image_base: Darwin Options
• include: Preprocessor Options
• init: Darwin Options
• install_name: Darwin Options
• iprefix: Preprocessor Options
• iquote: Directory Options
• iquote: Preprocessor Options
• isystem: Preprocessor Options
• iwithprefix: Preprocessor Options
• iwithprefixbefore: Preprocessor Options
• keep_private_externs: Darwin Options
• L: Directory Options
• l: Link Options
• lobjc: Link Options
• M: Preprocessor Options
• m128bit-long-double: i386 and x86-64 Options
• m32: i386 and x86-64 Options
• m32: RS/6000 and PowerPC Options
• m386: i386 and x86-64 Options
• m3dnow: i386 and x86-64 Options
• m486: i386 and x86-64 Options
• m64: RS/6000 and PowerPC Options
• m64: i386 and x86-64 Options
• m96bit-long-double: i386 and x86-64 Options
• mabi=altivec: RS/6000 and PowerPC Options
• mabi=no-altivec: RS/6000 and PowerPC Options
• mabi=no-spe: RS/6000 and PowerPC Options
• mabi=spe: RS/6000 and PowerPC Options
• maccumulate-outgoing-args: i386 and x86-64 Options
• mads: RS/6000 and PowerPC Options
• maix-struct-return: RS/6000 and PowerPC Options
• maix32: RS/6000 and PowerPC Options
• maix64: RS/6000 and PowerPC Options
• malign-double: i386 and x86-64 Options
• malign-natural: RS/6000 and PowerPC Options
• malign-power: RS/6000 and PowerPC Options
• maltivec: RS/6000 and PowerPC Options
• march: i386 and x86-64 Options
• masm=dialect: i386 and x86-64 Options
• mbig: RS/6000 and PowerPC Options
• mbig-endian: RS/6000 and PowerPC Options
• mbit-align: RS/6000 and PowerPC Options
• mcall-gnu: RS/6000 and PowerPC Options
• mcall-linux: RS/6000 and PowerPC Options
• mcall-netbsd: RS/6000 and PowerPC Options
• mcall-solaris: RS/6000 and PowerPC Options
• mcall-sysv: RS/6000 and PowerPC Options
• mcall-sysv-eabi: RS/6000 and PowerPC Options
• mcall-sysv-noeabi: RS/6000 and PowerPC Options
• mcmodel=kernel: i386 and x86-64 Options
• mcmodel=large: i386 and x86-64 Options
• mcmodel=medium: i386 and x86-64 Options
• mcmodel=small: i386 and x86-64 Options
• mcpu: RS/6000 and PowerPC Options
• mcpu: i386 and x86-64 Options
• MD: Preprocessor Options
• mdynamic-no-pic: RS/6000 and PowerPC Options
• meabi: RS/6000 and PowerPC Options
• memb: RS/6000 and PowerPC Options
• MF: Preprocessor Options
• mfix-and-continue: Darwin Options
• mfloat-gprs: RS/6000 and PowerPC Options
• mfull-toc: RS/6000 and PowerPC Options
• mfused-madd: RS/6000 and PowerPC Options
• MG: Preprocessor Options
• mhard-float: RS/6000 and PowerPC Options
• mieee-fp: i386 and x86-64 Options
• minline-all-stringops: i386 and x86-64 Options
• minsert-sched-nops: RS/6000 and PowerPC Options
• misel: RS/6000 and PowerPC Options
• mlittle: RS/6000 and PowerPC Options
• mlittle-endian: RS/6000 and PowerPC Options
• mlong-branch: RS/6000 and PowerPC Options
• mlongcall: RS/6000 and PowerPC Options
• MM: Preprocessor Options
• MMD: Preprocessor Options
• mminimal-toc: RS/6000 and PowerPC Options
• mmmx: i386 and x86-64 Options
• mmultiple: RS/6000 and PowerPC Options
• mmvme: RS/6000 and PowerPC Options
• mnew-mnemonics: RS/6000 and PowerPC Options
• mno-3dnow: i386 and x86-64 Options
• mno-align-double: i386 and x86-64 Options
• mno-align-stringops: i386 and x86-64 Options
• mno-altivec: RS/6000 and PowerPC Options
• mno-bit-align: RS/6000 and PowerPC Options
• mno-eabi: RS/6000 and PowerPC Options
• mno-fancy-math-387: i386 and x86-64 Options
• mno-fp-in-toc: RS/6000 and PowerPC Options
• mno-fp-ret-in-387: i386 and x86-64 Options
• mno-fused-madd: RS/6000 and PowerPC Options
• mno-ieee-fp: i386 and x86-64 Options
• mno-long-branch: RS/6000 and PowerPC Options
• mno-longcall: RS/6000 and PowerPC Options
• mno-mmx: i386 and x86-64 Options
• mno-multiple: RS/6000 and PowerPC Options
• mno-pim-altivec: RS/6000 and PowerPC Options
• mno-power: RS/6000 and PowerPC Options
• mno-power2: RS/6000 and PowerPC Options
• mno-powerpc: RS/6000 and PowerPC Options
• mno-powerpc-gfxopt: RS/6000 and PowerPC Options
• mno-powerpc-gpopt: RS/6000 and PowerPC Options
• mno-powerpc64: RS/6000 and PowerPC Options
• mno-prototype: RS/6000 and PowerPC Options
• mno-push-args: i386 and x86-64 Options
• mno-regnames: RS/6000 and PowerPC Options
• mno-relocatable: RS/6000 and PowerPC Options
• mno-relocatable-lib: RS/6000 and PowerPC Options
• mno-sdata: RS/6000 and PowerPC Options
• mno-sse: i386 and x86-64 Options
• mno-strict-align: RS/6000 and PowerPC Options
• mno-string: RS/6000 and PowerPC Options
• mno-sum-in-toc: RS/6000 and PowerPC Options
• mno-svr3-shlib: i386 and x86-64 Options
• mno-toc: RS/6000 and PowerPC Options
• mno-update: RS/6000 and PowerPC Options
• mno-xl-compat: RS/6000 and PowerPC Options
• mold-mnemonics: RS/6000 and PowerPC Options
• momit-leaf-frame-pointer: i386 and x86-64 Options
• MP: Preprocessor Options
• mpe: RS/6000 and PowerPC Options
• mpentium: i386 and x86-64 Options
• mpentiumpro: i386 and x86-64 Options
• mpim-altivec: RS/6000 and PowerPC Options
• mpower: RS/6000 and PowerPC Options
• mpower2: RS/6000 and PowerPC Options
• mpowerpc: RS/6000 and PowerPC Options
• mpowerpc-gfxopt: RS/6000 and PowerPC Options
• mpowerpc-gpopt: RS/6000 and PowerPC Options
• mpowerpc64: RS/6000 and PowerPC Options
• mpreferred-stack-boundary: i386 and x86-64 Options
• mprioritize-restricted-insns: RS/6000 and PowerPC Options
• mprototype: RS/6000 and PowerPC Options
• mpush-args: i386 and x86-64 Options
• MQ: Preprocessor Options
• mregnames: RS/6000 and PowerPC Options
• mregparm: i386 and x86-64 Options
• mrelocatable: RS/6000 and PowerPC Options
• mrelocatable-lib: RS/6000 and PowerPC Options
• mrtd: Function Attributes
• mrtd: i386 and x86-64 Options
• msched-costly-dep: RS/6000 and PowerPC Options
• msdata: RS/6000 and PowerPC Options
• msdata-data: RS/6000 and PowerPC Options
• msdata=default: RS/6000 and PowerPC Options
• msdata=eabi: RS/6000 and PowerPC Options
• msdata=none: RS/6000 and PowerPC Options
• msdata=sysv: RS/6000 and PowerPC Options
• msim: RS/6000 and PowerPC Options
• msoft-float: i386 and x86-64 Options
• msoft-float: RS/6000 and PowerPC Options
• mspe: RS/6000 and PowerPC Options
• msse: i386 and x86-64 Options
• mstackrealign: i386 and x86-64 Options
• mstrict-align: RS/6000 and PowerPC Options
• mstring: RS/6000 and PowerPC Options
• msvr3-shlib: i386 and x86-64 Options
• msvr4-struct-return: RS/6000 and PowerPC Options
• MT: Preprocessor Options
• mthreads: i386 and x86-64 Options
• mtls-direct-seg-refs: i386 and x86-64 Options
• mtoc: RS/6000 and PowerPC Options
• mtune: RS/6000 and PowerPC Options
• mtune: i386 and x86-64 Options
• multi_module: Darwin Options
• multiply_defined: Darwin Options
• multiply_defined_unused: Darwin Options
• mupdate: RS/6000 and PowerPC Options
• mvxworks: RS/6000 and PowerPC Options
• mwindiss: RS/6000 and PowerPC Options
• mxl-compat: RS/6000 and PowerPC Options
• myellowknife: RS/6000 and PowerPC Options
• no-integrated-cpp: C Dialect Options
• no-red-zone: i386 and x86-64 Options
• no_dead_strip_inits_and_terms: Darwin Options
• noall_load: Darwin Options
• nodefaultlibs: Link Options
• nofixprebinding: Darwin Options
• nomultidefs: Darwin Options
• noprebind: Darwin Options
• noseglinkedit: Darwin Options
• nostartfiles: Link Options
• nostdinc: Preprocessor Options
• nostdinc++: C++ Dialect Options
• nostdinc++: Preprocessor Options
• nostdlib: Link Options
• o: Overall Options
• O: Optimize Options
• o: Preprocessor Options
• O0: Optimize Options
• O1: Optimize Options
• O2: Optimize Options
• O3: Optimize Options
• ObjC: Overall Options
• ObjC++: Overall Options
• Os: Optimize Options
• Oz: Optimize Options
• p: Debugging Options
• P: Preprocessor Options
• pagezero_size: Darwin Options
• param: Optimize Options
• pass-exit-codes: Overall Options
• pedantic: Warnings and Errors
• pedantic: Preprocessor Options
• pedantic: Standards
• pedantic: C Extensions
• pedantic: Alternate Keywords
• pedantic: Warning Options
• pedantic-errors: Preprocessor Options
• pedantic-errors: Warning Options
• pedantic-errors: Standards
• pedantic-errors: Non-bugs
• pedantic-errors: Warnings and Errors
• pg: Debugging Options
• pie: Link Options
• pipe: Overall Options
• prebind: Darwin Options
• prebind_all_twolevel_modules: Darwin Options
• preprocessor: Preprocessor Options
• print-file-name: Debugging Options
• print-libgcc-file-name: Debugging Options
• print-multi-directory: Debugging Options
• print-multi-lib: Debugging Options
• print-objc-runtime-info: Objective-C and Objective-C++ Dialect Options
• print-prog-name: Debugging Options
• print-search-dirs: Debugging Options
• private_bundle: Darwin Options
• pthread: RS/6000 and PowerPC Options
• Q: Debugging Options
• read_only_relocs: Darwin Options
• remap: Preprocessor Options
• s: Link Options
• S: Link Options
• S: Overall Options
• save-temps: Debugging Options
• sectalign: Darwin Options
• sectcreate: Darwin Options
• sectobjectsymbols: Darwin Options
• sectorder: Darwin Options
• seg1addr: Darwin Options
• seg_addr_table: Darwin Options
• seg_addr_table_filename: Darwin Options
• segaddr: Darwin Options
• seglinkedit: Darwin Options
• segprot: Darwin Options
• segs_read_only_addr: Darwin Options
• segs_read_write_addr: Darwin Options
• shared: Link Options
• shared-libgcc: Link Options
• single_module: Darwin Options
• specs: Directory Options
• static: Darwin Options
• static: Link Options
• static-libgcc: Link Options
• std: Standards
• std: C Dialect Options
• std: Other Builtins
• std: Non-bugs
• std=: Preprocessor Options
• sub_library: Darwin Options
• sub_umbrella: Darwin Options
• symbolic: Link Options
• target-help: Overall Options
• target-help: Preprocessor Options
• time: Debugging Options
• traditional: Incompatibilities
• traditional: C Dialect Options
• traditional-cpp: Preprocessor Options
• traditional-cpp: C Dialect Options
• trigraphs: Preprocessor Options
• trigraphs: C Dialect Options
• twolevel_namespace: Darwin Options
• U: Preprocessor Options
• u: Link Options
• umbrella: Darwin Options
• undef: Preprocessor Options
• undefined: Darwin Options
• unexported_symbols_list: Darwin Options
• v: Preprocessor Options
• v: Overall Options
• V: Target Options
• version: Overall Options
• version: Preprocessor Options
• W: Warning Options
• w: Warning Options
• w: Preprocessor Options
• W: Incompatibilities
• Wa: Assembler Options
• Wabi: C++ Dialect Options
• Waggregate-return: Warning Options
• Wall: Warning Options
• Wall: Standard Libraries
• Wall: Preprocessor Options
• Wbad-function-cast: Warning Options
• Wcast-align: Warning Options
• Wcast-qual: Warning Options
• Wchar-subscripts: Warning Options
• Wcomment: Preprocessor Options
• Wcomment: Warning Options
• Wcomments: Preprocessor Options
• Wconversion: Protoize Caveats
• Wconversion: Warning Options
• Wctor-dtor-privacy: C++ Dialect Options
• Wdeclaration-after-statement: Warning Options
• Wdisabled-optimization: Warning Options
• Wdiv-by-zero: Warning Options
• weak_reference_mismatches: Darwin Options
• Weffc++: C++ Dialect Options
• Wendif-labels: Preprocessor Options
• Wendif-labels: Warning Options
• Werror: Preprocessor Options
• Werror: Warning Options
• Werror-implicit-function-declaration: Warning Options
• Wextra: Warning Options
• Wextra-tokens: Warning Options
• Wfatal-errors: Warning Options
• Wfloat-equal: Warning Options
• Wformat: Warning Options
• Wformat: Function Attributes
• Wformat-nonliteral: Function Attributes
• Wformat-nonliteral: Warning Options
• Wformat-security: Warning Options
• Wformat-y2k: Warning Options
• Wformat=2: Warning Options
• Wfour-char-constants: Warning Options
• whatsloaded: Darwin Options
• whyload: Darwin Options
• Wimplicit: Warning Options
• Wimplicit-function-declaration: Warning Options
• Wimplicit-int: Warning Options
• Wimport: Preprocessor Options
• Winit-self: Warning Options
• Winline: Inline
• Winline: Warning Options
• Winvalid-pch: Warning Options
• Wl: Link Options
• Wlarger-than: Warning Options
• Wlong-long: Warning Options
• Wmain: Warning Options
• Wmissing-braces: Warning Options
• Wmissing-declarations: Warning Options
• Wmissing-field-initializers: Warning Options
• Wmissing-format-attribute: Warning Options
• Wmissing-include-dirs: Warning Options
• Wmissing-noreturn: Warning Options
• Wmissing-prototypes: Warning Options
• Wmost: Warning Options
• Wmultichar: Warning Options
• Wnested-externs: Warning Options
• Wnewline-eof: Warning Options
• Wno-#warnings: Warning Options
• Wno-altivec-long-deprecated: Warning Options
• Wno-deprecated: C++ Dialect Options
• Wno-deprecated-declarations: Warning Options
• Wno-discard-qual: Warning Options
• Wno-div-by-zero: Warning Options
• Wno-endif-labels: Warning Options
• Wno-format-extra-args: Warning Options
• Wno-format-zero-length: Warning Options
• Wno-import: Warning Options
• Wno-invalid-offsetof: Warning Options
• Wno-long-long: Warning Options
• Wno-multichar: Warning Options
• Wno-non-template-friend: C++ Dialect Options
• Wno-pmf-conversions: C++ Dialect Options
• Wno-pmf-conversions: Bound member functions
• Wno-pointer-sign: Warning Options
• Wno-protocol: Objective-C and Objective-C++ Dialect Options
• Wno-variadic-macros: Warning Options
• Wnon-virtual-dtor: C++ Dialect Options
• Wnonnull: Warning Options
• Wnormalized: Warning Options
• Wold-style-cast: C++ Dialect Options
• Wold-style-definition: Warning Options
• Woverloaded-virtual: C++ Dialect Options
• Wp: Preprocessor Options
• Wpacked: Warning Options
• Wpadded: Warning Options
• Wparentheses: Warning Options
• Wpointer-arith: Pointer Arith
• Wpointer-arith: Warning Options
• Wpragma-once: Warning Options
• Wredundant-decls: Warning Options
• Wreorder: C++ Dialect Options
• Wreturn-type: Warning Options
• Wselector: Objective-C and Objective-C++ Dialect Options
• Wsequence-point: Warning Options
• Wshadow: Warning Options
• Wshorten-64-to-32: Warning Options
• Wsign-compare: Warning Options
• Wsign-promo: C++ Dialect Options
• Wstrict-aliasing: Warning Options
• Wstrict-aliasing=2: Warning Options
• Wstrict-null-sentinel: C++ Dialect Options
• Wstrict-prototypes: Warning Options
• Wstrict-selector-match: Objective-C and Objective-C++ Dialect Options
• Wswitch: Warning Options
• Wswitch-enum: Warning Options
• Wswitch-switch: Warning Options
• Wsystem-headers: Warning Options
• Wsystem-headers: Preprocessor Options
• Wtraditional: Preprocessor Options
• Wtraditional: Warning Options
• Wtrigraphs: Preprocessor Options
• Wtrigraphs: Warning Options
• Wundeclared-selector: Objective-C and Objective-C++ Dialect Options
• Wundef: Warning Options
• Wundef: Preprocessor Options
• Wuninitialized: Warning Options
• Wunknown-pragmas: Warning Options
• Wunreachable-code: Warning Options
• Wunused: Warning Options
• Wunused-function: Warning Options
• Wunused-label: Warning Options
• Wunused-macros: Preprocessor Options
• Wunused-parameter: Warning Options
• Wunused-value: Warning Options
• Wunused-variable: Warning Options
• Wvariadic-macros: Warning Options
• Wwrite-strings: Warning Options
• x: Overall Options
• x: Preprocessor Options
• Xassembler: Assembler Options
• Xlinker: Link Options