Using the GNU Compiler Collection (GCC): Option Index

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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.

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	Index Entry		Section
#
	### :		Overall Options
-
	-fipa-bit-cp :		Optimize Options
	-fipa-vrp :		Optimize Options
	-mfunction-return :		x86 Options
	-mindirect-branch :		x86 Options
	-mindirect-branch-register :		x86 Options
	-mlow-precision-div :		AArch64 Options
	-mlow-precision-sqrt :		AArch64 Options
	-mno-low-precision-div :		AArch64 Options
	-mno-low-precision-sqrt :		AArch64 Options
	-Wabi-tag :		C++ Dialect Options
	-Wno-scalar-storage-order :		Warning Options
	-Wscalar-storage-order :		Warning Options
8
	80387 :		x86 Options
A
	A :		Preprocessor Options
	allowable_client :		Darwin Options
	all_load :		Darwin Options
	ansi :		Standards
	ansi :		C Dialect Options
	ansi :		Other Builtins
	ansi :		Non-bugs
	arch_errors_fatal :		Darwin Options
	aux-info :		C Dialect Options
B
	B :		Directory Options
	Bdynamic :		VxWorks Options
	bind_at_load :		Darwin Options
	Bstatic :		VxWorks Options
	bundle :		Darwin Options
	bundle_loader :		Darwin Options
C
	c :		Overall Options
	C :		Preprocessor Options
	c :		Link Options
	CC :		Preprocessor Options
	client_name :		Darwin Options
	compatibility_version :		Darwin Options
	coverage :		Instrumentation Options
	current_version :		Darwin Options
D
	D :		Preprocessor Options
	d :		Preprocessor Options
	d :		Developer Options
	da :		Developer Options
	dA :		Developer Options
	dD :		Preprocessor Options
	dD :		Developer Options
	dead_strip :		Darwin Options
	dependency-file :		Darwin Options
	dH :		Developer Options
	dI :		Preprocessor Options
	dM :		Preprocessor Options
	dN :		Preprocessor Options
	dp :		Developer Options
	dP :		Developer Options
	dU :		Preprocessor Options
	dumpfullversion :		Developer Options
	dumpmachine :		Developer Options
	dumpspecs :		Developer Options
	dumpversion :		Developer Options
	dx :		Developer Options
	dylib_file :		Darwin Options
	dylinker_install_name :		Darwin Options
	dynamic :		Darwin Options
	dynamiclib :		Darwin Options
E
	E :		Overall Options
	E :		Link Options
	EB :		ARC Options
	EB :		MIPS Options
	EL :		ARC Options
	EL :		MIPS Options
	exported_symbols_list :		Darwin Options
F
	F :		Darwin Options
	fabi-compat-version :		C++ Dialect Options
	fabi-version :		C++ Dialect Options
	fada-spec-parent :		Overall Options
	faggressive-loop-optimizations :		Optimize Options
	falign-functions :		Optimize Options
	falign-jumps :		Optimize Options
	falign-labels :		Optimize Options
	falign-loops :		Optimize Options
	faligned-new :		C++ Dialect Options
	fallow-parameterless-variadic-functions :		C Dialect Options
	fasan-shadow-offset :		Instrumentation Options
	fassociative-math :		Optimize Options
	fasynchronous-unwind-tables :		Code Gen Options
	fauto-inc-dec :		Optimize Options
	fauto-profile :		Optimize Options
	fbounds-check :		Instrumentation 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-used :		Code Gen Options
	fcaller-saves :		Optimize Options
	fcheck-new :		C++ Dialect Options
	fcheck-pointer-bounds :		Instrumentation Options
	fchecking :		Developer Options
	fchkp-check-incomplete-type :		Instrumentation Options
	fchkp-check-read :		Instrumentation Options
	fchkp-check-write :		Instrumentation Options
	fchkp-first-field-has-own-bounds :		Instrumentation Options
	fchkp-flexible-struct-trailing-arrays :		Instrumentation Options
	fchkp-instrument-calls :		Instrumentation Options
	fchkp-instrument-marked-only :		Instrumentation Options
	fchkp-narrow-bounds :		Instrumentation Options
	fchkp-narrow-to-innermost-array :		Instrumentation Options
	fchkp-optimize :		Instrumentation Options
	fchkp-store-bounds :		Instrumentation Options
	fchkp-treat-zero-dynamic-size-as-infinite :		Instrumentation Options
	fchkp-use-fast-string-functions :		Instrumentation Options
	fchkp-use-nochk-string-functions :		Instrumentation Options
	fchkp-use-static-bounds :		Instrumentation Options
	fchkp-use-static-const-bounds :		Instrumentation Options
	fchkp-use-wrappers :		Instrumentation Options
	fcilkplus :		C Dialect Options
	fcode-hoisting :		Optimize Options
	fcombine-stack-adjustments :		Optimize Options
	fcommon :		Common Variable Attributes
	fcompare-debug :		Developer Options
	fcompare-debug-second :		Developer Options
	fcompare-elim :		Optimize Options
	fconcepts :		C++ Dialect Options
	fcond-mismatch :		C Dialect Options
	fconserve-stack :		Optimize Options
	fconstant-string-class :		Objective-C and Objective-C++ Dialect Options
	fconstexpr-depth :		C++ Dialect Options
	fconstexpr-loop-limit :		C++ Dialect Options
	fcprop-registers :		Optimize Options
	fcrossjumping :		Optimize Options
	fcse-follow-jumps :		Optimize Options
	fcse-skip-blocks :		Optimize Options
	fcx-fortran-rules :		Optimize Options
	fcx-limited-range :		Optimize Options
	fdata-sections :		Optimize Options
	fdbg-cnt :		Developer Options
	fdbg-cnt-list :		Developer Options
	fdce :		Optimize Options
	fdebug-cpp :		Preprocessor Options
	fdebug-prefix-map :		Debugging Options
	fdebug-types-section :		Debugging Options
	fdeclone-ctor-dtor :		Optimize Options
	fdeduce-init-list :		C++ Dialect Options
	fdelayed-branch :		Optimize Options
	fdelete-dead-exceptions :		Code Gen Options
	fdelete-null-pointer-checks :		Optimize Options
	fdevirtualize :		Optimize Options
	fdevirtualize-at-ltrans :		Optimize Options
	fdevirtualize-speculatively :		Optimize Options
	fdiagnostics-color :		Diagnostic Message Formatting Options
	fdiagnostics-generate-patch :		Diagnostic Message Formatting Options
	fdiagnostics-parseable-fixits :		Diagnostic Message Formatting Options
	fdiagnostics-show-caret :		Diagnostic Message Formatting Options
	fdiagnostics-show-location :		Diagnostic Message Formatting Options
	fdiagnostics-show-option :		Diagnostic Message Formatting Options
	fdirectives-only :		Preprocessor Options
	fdisable- :		Developer Options
	fdollars-in-identifiers :		Preprocessor Options
	fdollars-in-identifiers :		Interoperation
	fdpic :		SH Options
	fdse :		Optimize Options
	fdump-ada-spec :		Overall Options
	fdump-class-hierarchy :		Developer Options
	fdump-final-insns :		Developer Options
	fdump-go-spec :		Overall Options
	fdump-ipa :		Developer Options
	fdump-noaddr :		Developer Options
	fdump-passes :		Developer Options
	fdump-rtl-alignments :		Developer Options
	fdump-rtl-all :		Developer Options
	fdump-rtl-asmcons :		Developer Options
	fdump-rtl-auto_inc_dec :		Developer Options
	fdump-rtl-barriers :		Developer Options
	fdump-rtl-bbpart :		Developer Options
	fdump-rtl-bbro :		Developer Options
	fdump-rtl-btl2 :		Developer Options
	fdump-rtl-btl2 :		Developer Options
	fdump-rtl-bypass :		Developer Options
	fdump-rtl-ce1 :		Developer Options
	fdump-rtl-ce2 :		Developer Options
	fdump-rtl-ce3 :		Developer Options
	fdump-rtl-combine :		Developer Options
	fdump-rtl-compgotos :		Developer Options
	fdump-rtl-cprop_hardreg :		Developer Options
	fdump-rtl-csa :		Developer Options
	fdump-rtl-cse1 :		Developer Options
	fdump-rtl-cse2 :		Developer Options
	fdump-rtl-dbr :		Developer Options
	fdump-rtl-dce :		Developer Options
	fdump-rtl-dce1 :		Developer Options
	fdump-rtl-dce2 :		Developer Options
	fdump-rtl-dfinish :		Developer Options
	fdump-rtl-dfinit :		Developer Options
	fdump-rtl-eh :		Developer Options
	fdump-rtl-eh_ranges :		Developer Options
	fdump-rtl-expand :		Developer Options
	fdump-rtl-fwprop1 :		Developer Options
	fdump-rtl-fwprop2 :		Developer Options
	fdump-rtl-gcse1 :		Developer Options
	fdump-rtl-gcse2 :		Developer Options
	fdump-rtl-init-regs :		Developer Options
	fdump-rtl-initvals :		Developer Options
	fdump-rtl-into_cfglayout :		Developer Options
	fdump-rtl-ira :		Developer Options
	fdump-rtl-jump :		Developer Options
	fdump-rtl-loop2 :		Developer Options
	fdump-rtl-mach :		Developer Options
	fdump-rtl-mode_sw :		Developer Options
	fdump-rtl-outof_cfglayout :		Developer Options
	fdump-rtl-pass :		Developer Options
	fdump-rtl-peephole2 :		Developer Options
	fdump-rtl-postreload :		Developer Options
	fdump-rtl-pro_and_epilogue :		Developer Options
	fdump-rtl-ree :		Developer Options
	fdump-rtl-regclass :		Developer Options
	fdump-rtl-rnreg :		Developer Options
	fdump-rtl-sched1 :		Developer Options
	fdump-rtl-sched2 :		Developer Options
	fdump-rtl-seqabstr :		Developer Options
	fdump-rtl-shorten :		Developer Options
	fdump-rtl-sibling :		Developer Options
	fdump-rtl-sms :		Developer Options
	fdump-rtl-split1 :		Developer Options
	fdump-rtl-split2 :		Developer Options
	fdump-rtl-split3 :		Developer Options
	fdump-rtl-split4 :		Developer Options
	fdump-rtl-split5 :		Developer Options
	fdump-rtl-stack :		Developer Options
	fdump-rtl-subreg1 :		Developer Options
	fdump-rtl-subreg2 :		Developer Options
	fdump-rtl-subregs_of_mode_finish :		Developer Options
	fdump-rtl-subregs_of_mode_init :		Developer Options
	fdump-rtl-unshare :		Developer Options
	fdump-rtl-vartrack :		Developer Options
	fdump-rtl-vregs :		Developer Options
	fdump-rtl-web :		Developer Options
	fdump-statistics :		Developer Options
	fdump-translation-unit :		Developer Options
	fdump-tree :		Developer Options
	fdump-tree-all :		Developer Options
	fdump-unnumbered :		Developer Options
	fdump-unnumbered-links :		Developer Options
	fdwarf2-cfi-asm :		Debugging Options
	fearly-inlining :		Optimize Options
	feliminate-dwarf2-dups :		Debugging Options
	feliminate-unused-debug-symbols :		Debugging Options
	feliminate-unused-debug-types :		Debugging Options
	femit-class-debug-always :		Debugging Options
	femit-struct-debug-baseonly :		Debugging Options
	femit-struct-debug-detailed :		Debugging Options
	femit-struct-debug-reduced :		Debugging Options
	fenable- :		Developer Options
	fexceptions :		Code Gen Options
	fexcess-precision :		Optimize Options
	fexec-charset :		Preprocessor Options
	fexpensive-optimizations :		Optimize Options
	fext-numeric-literals :		C++ Dialect Options
	fextended-identifiers :		Preprocessor Options
	fextern-tls-init :		C++ Dialect Options
	ffast-math :		Optimize Options
	ffat-lto-objects :		Optimize Options
	ffinite-math-only :		Optimize Options
	ffix-and-continue :		Darwin Options
	ffixed :		Code Gen Options
	ffloat-store :		Optimize Options
	ffloat-store :		Disappointments
	ffor-scope :		C++ Dialect Options
	fforward-propagate :		Optimize Options
	ffp-contract :		Optimize Options
	ffreestanding :		Standards
	ffreestanding :		C Dialect Options
	ffreestanding :		Warning Options
	ffreestanding :		Common Function Attributes
	ffriend-injection :		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
	fgimple :		C Dialect Options
	fgnu-runtime :		Objective-C and Objective-C++ Dialect Options
	fgnu-tm :		C Dialect Options
	fgnu89-inline :		C Dialect Options
	fgraphite-identity :		Optimize Options
	fhoist-adjacent-loads :		Optimize Options
	fhosted :		C Dialect Options
	fif-conversion :		Optimize Options
	fif-conversion2 :		Optimize Options
	filelist :		Darwin Options
	findirect-data :		Darwin Options
	findirect-inlining :		Optimize Options
	finhibit-size-directive :		Code Gen Options
	finline-functions :		Optimize Options
	finline-functions-called-once :		Optimize Options
	finline-limit :		Optimize Options
	finline-small-functions :		Optimize Options
	finput-charset :		Preprocessor Options
	finstrument-functions :		Instrumentation Options
	finstrument-functions :		Common Function Attributes
	finstrument-functions-exclude-file-list :		Instrumentation Options
	finstrument-functions-exclude-function-list :		Instrumentation Options
	fipa-cp :		Optimize Options
	fipa-cp-clone :		Optimize Options
	fipa-icf :		Optimize Options
	fipa-profile :		Optimize Options
	fipa-pta :		Optimize Options
	fipa-pure-const :		Optimize Options
	fipa-ra :		Optimize Options
	fipa-reference :		Optimize Options
	fipa-sra :		Optimize Options
	fira-algorithm :		Optimize Options
	fira-hoist-pressure :		Optimize Options
	fira-loop-pressure :		Optimize Options
	fira-region :		Optimize Options
	fira-verbose :		Developer Options
	fisolate-erroneous-paths-attribute :		Optimize Options
	fisolate-erroneous-paths-dereference :		Optimize Options
	fivar-visibility :		Objective-C and Objective-C++ Dialect Options
	fivopts :		Optimize Options
	fkeep-inline-functions :		Optimize Options
	fkeep-inline-functions :		Inline
	fkeep-static-consts :		Optimize Options
	fkeep-static-functions :		Optimize Options
	flat_namespace :		Darwin Options
	flax-vector-conversions :		C Dialect Options
	fleading-underscore :		Code Gen Options
	flive-range-shrinkage :		Optimize Options
	flocal-ivars :		Objective-C and Objective-C++ Dialect Options
	floop-block :		Optimize Options
	floop-interchange :		Optimize Options
	floop-nest-optimize :		Optimize Options
	floop-parallelize-all :		Optimize Options
	floop-strip-mine :		Optimize Options
	floop-unroll-and-jam :		Optimize Options
	flra-remat :		Optimize Options
	flto :		Optimize Options
	flto-compression-level :		Optimize Options
	flto-odr-type-merging :		Optimize Options
	flto-partition :		Optimize Options
	flto-report :		Developer Options
	flto-report-wpa :		Developer Options
	fmax-errors :		Warning Options
	fmem-report :		Developer Options
	fmem-report-wpa :		Developer Options
	fmerge-all-constants :		Optimize Options
	fmerge-constants :		Optimize Options
	fmerge-debug-strings :		Debugging Options
	fmessage-length :		Diagnostic Message Formatting Options
	fmodulo-sched :		Optimize Options
	fmodulo-sched-allow-regmoves :		Optimize Options
	fmove-loop-invariants :		Optimize Options
	fms-extensions :		C Dialect Options
	fms-extensions :		C++ Dialect Options
	fms-extensions :		Unnamed Fields
	fnew-inheriting-ctors :		C++ Dialect Options
	fnew-ttp-matching :		C++ Dialect 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 :		C Dialect Options
	fno-builtin :		Warning Options
	fno-builtin :		Common Function Attributes
	fno-builtin :		Other Builtins
	fno-canonical-system-headers :		Preprocessor Options
	fno-check-pointer-bounds :		Instrumentation Options
	fno-checking :		Developer Options
	fno-chkp-check-incomplete-type :		Instrumentation Options
	fno-chkp-check-read :		Instrumentation Options
	fno-chkp-check-write :		Instrumentation Options
	fno-chkp-first-field-has-own-bounds :		Instrumentation Options
	fno-chkp-flexible-struct-trailing-arrays :		Instrumentation Options
	fno-chkp-instrument-calls :		Instrumentation Options
	fno-chkp-instrument-marked-only :		Instrumentation Options
	fno-chkp-narrow-bounds :		Instrumentation Options
	fno-chkp-narrow-to-innermost-array :		Instrumentation Options
	fno-chkp-optimize :		Instrumentation Options
	fno-chkp-store-bounds :		Instrumentation Options
	fno-chkp-treat-zero-dynamic-size-as-infinite :		Instrumentation Options
	fno-chkp-use-fast-string-functions :		Instrumentation Options
	fno-chkp-use-nochk-string-functions :		Instrumentation Options
	fno-chkp-use-static-bounds :		Instrumentation Options
	fno-chkp-use-static-const-bounds :		Instrumentation Options
	fno-chkp-use-wrappers :		Instrumentation Options
	fno-common :		Code Gen Options
	fno-common :		Common Variable Attributes
	fno-compare-debug :		Developer Options
	fno-debug-types-section :		Debugging Options
	fno-default-inline :		Inline
	fno-defer-pop :		Optimize Options
	fno-diagnostics-show-caret :		Diagnostic Message Formatting Options
	fno-diagnostics-show-option :		Diagnostic Message Formatting Options
	fno-dwarf2-cfi-asm :		Debugging Options
	fno-elide-constructors :		C++ Dialect Options
	fno-eliminate-unused-debug-types :		Debugging Options
	fno-enforce-eh-specs :		C++ Dialect Options
	fno-ext-numeric-literals :		C++ Dialect Options
	fno-extern-tls-init :		C++ Dialect Options
	fno-for-scope :		C++ Dialect Options
	fno-fp-int-builtin-inexact :		Optimize Options
	fno-function-cse :		Optimize Options
	fno-gnu-keywords :		C++ Dialect Options
	fno-gnu-unique :		Code Gen Options
	fno-guess-branch-probability :		Optimize Options
	fno-ident :		Code Gen Options
	fno-implement-inlines :		C++ Dialect Options
	fno-implement-inlines :		C++ Interface
	fno-implicit-inline-templates :		C++ Dialect Options
	fno-implicit-templates :		C++ Dialect Options
	fno-implicit-templates :		Template Instantiation
	fno-inline :		Optimize Options
	fno-ira-share-save-slots :		Optimize Options
	fno-ira-share-spill-slots :		Optimize Options
	fno-jump-tables :		Code Gen Options
	fno-keep-inline-dllexport :		Optimize Options
	fno-lifetime-dse :		Optimize Options
	fno-local-ivars :		Objective-C and Objective-C++ Dialect Options
	fno-math-errno :		Optimize Options
	fno-merge-debug-strings :		Debugging 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-plt :		Code Gen Options
	fno-pretty-templates :		C++ Dialect Options
	fno-printf-return-value :		Optimize Options
	fno-rtti :		C++ Dialect Options
	fno-sanitize-recover :		Instrumentation Options
	fno-sanitize=all :		Instrumentation Options
	fno-sched-interblock :		Optimize Options
	fno-sched-spec :		Optimize Options
	fno-set-stack-executable :		x86 Windows Options
	fno-show-column :		Diagnostic Message Formatting Options
	fno-signed-bitfields :		C Dialect Options
	fno-signed-zeros :		Optimize Options
	fno-stack-limit :		Instrumentation Options
	fno-threadsafe-statics :		C++ Dialect Options
	fno-toplevel-reorder :		Optimize Options
	fno-trapping-math :		Optimize Options
	fno-unsigned-bitfields :		C Dialect Options
	fno-use-cxa-get-exception-ptr :		C++ Dialect Options
	fno-var-tracking-assignments :		Debugging Options
	fno-var-tracking-assignments-toggle :		Developer Options
	fno-weak :		C++ Dialect Options
	fno-working-directory :		Preprocessor Options
	fno-writable-relocated-rdata :		x86 Windows Options
	fno-zero-initialized-in-bss :		Optimize Options
	fnon-call-exceptions :		Code Gen Options
	fnothrow-opt :		C++ Dialect Options
	fobjc-abi-version :		Objective-C and Objective-C++ Dialect Options
	fobjc-call-cxx-cdtors :		Objective-C and Objective-C++ Dialect Options
	fobjc-direct-dispatch :		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
	fobjc-nilcheck :		Objective-C and Objective-C++ Dialect Options
	fobjc-std :		Objective-C and Objective-C++ Dialect Options
	fomit-frame-pointer :		Optimize Options
	fopenacc :		C Dialect Options
	fopenacc-dim :		C Dialect Options
	fopenmp :		C Dialect Options
	fopenmp-simd :		C Dialect Options
	fopt-info :		Developer Options
	foptimize-sibling-calls :		Optimize Options
	foptimize-strlen :		Optimize Options
	force_cpusubtype_ALL :		Darwin Options
	force_flat_namespace :		Darwin Options
	fpack-struct :		Code Gen Options
	fpartial-inlining :		Optimize Options
	fpcc-struct-return :		Code Gen Options
	fpcc-struct-return :		Incompatibilities
	fpch-deps :		Preprocessor Options
	fpch-preprocess :		Preprocessor Options
	fpeel-loops :		Optimize Options
	fpermissive :		C++ Dialect Options
	fpermitted-flt-eval-methods :		C Dialect Options
	fpermitted-flt-eval-methods=c11 :		C Dialect Options
	fpermitted-flt-eval-methods=ts-18661-3 :		C Dialect Options
	fpic :		Code Gen Options
	fPIC :		Code Gen Options
	fpie :		Code Gen Options
	fPIE :		Code Gen Options
	fplan9-extensions :		C Dialect Options
	fplan9-extensions :		Unnamed Fields
	fplugin :		Overall Options
	fplugin-arg :		Overall Options
	fpost-ipa-mem-report :		Developer Options
	fpre-ipa-mem-report :		Developer Options
	fpredictive-commoning :		Optimize Options
	fprefetch-loop-arrays :		Optimize Options
	fpreprocessed :		Preprocessor Options
	fprofile-arcs :		Instrumentation Options
	fprofile-arcs :		Other Builtins
	fprofile-correction :		Optimize Options
	fprofile-dir :		Instrumentation Options
	fprofile-generate :		Instrumentation Options
	fprofile-reorder-functions :		Optimize Options
	fprofile-report :		Developer Options
	fprofile-update :		Instrumentation Options
	fprofile-use :		Optimize Options
	fprofile-values :		Optimize Options
	fpu :		RX Options
	frandom-seed :		Developer Options
	freciprocal-math :		Optimize Options
	frecord-gcc-switches :		Code Gen Options
	free :		Optimize Options
	freg-struct-return :		Code Gen Options
	frename-registers :		Optimize Options
	freorder-blocks :		Optimize Options
	freorder-blocks-algorithm :		Optimize Options
	freorder-blocks-and-partition :		Optimize Options
	freorder-functions :		Optimize Options
	freplace-objc-classes :		Objective-C and Objective-C++ Dialect Options
	frepo :		C++ Dialect Options
	frepo :		Template Instantiation
	freport-bug :		Developer Options
	frerun-cse-after-loop :		Optimize Options
	freschedule-modulo-scheduled-loops :		Optimize Options
	frounding-math :		Optimize Options
	fsanitize-address-use-after-scope :		Instrumentation Options
	fsanitize-coverage=trace-pc :		Instrumentation Options
	fsanitize-recover :		Instrumentation Options
	fsanitize-sections :		Instrumentation Options
	fsanitize-undefined-trap-on-error :		Instrumentation Options
	fsanitize=address :		Instrumentation Options
	fsanitize=alignment :		Instrumentation Options
	fsanitize=bool :		Instrumentation Options
	fsanitize=bounds :		Instrumentation Options
	fsanitize=bounds-strict :		Instrumentation Options
	fsanitize=enum :		Instrumentation Options
	fsanitize=float-cast-overflow :		Instrumentation Options
	fsanitize=float-divide-by-zero :		Instrumentation Options
	fsanitize=integer-divide-by-zero :		Instrumentation Options
	fsanitize=kernel-address :		Instrumentation Options
	fsanitize=leak :		Instrumentation Options
	fsanitize=nonnull-attribute :		Instrumentation Options
	fsanitize=null :		Instrumentation Options
	fsanitize=object-size :		Instrumentation Options
	fsanitize=return :		Instrumentation Options
	fsanitize=returns-nonnull-attribute :		Instrumentation Options
	fsanitize=shift :		Instrumentation Options
	fsanitize=shift-base :		Instrumentation Options
	fsanitize=shift-exponent :		Instrumentation Options
	fsanitize=signed-integer-overflow :		Instrumentation Options
	fsanitize=thread :		Instrumentation Options
	fsanitize=undefined :		Instrumentation Options
	fsanitize=unreachable :		Instrumentation Options
	fsanitize=vla-bound :		Instrumentation Options
	fsanitize=vptr :		Instrumentation Options
	fsched-critical-path-heuristic :		Optimize Options
	fsched-dep-count-heuristic :		Optimize Options
	fsched-group-heuristic :		Optimize Options
	fsched-last-insn-heuristic :		Optimize Options
	fsched-pressure :		Optimize Options
	fsched-rank-heuristic :		Optimize Options
	fsched-spec-insn-heuristic :		Optimize 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 :		Developer Options
	fsched2-use-superblocks :		Optimize Options
	fschedule-fusion :		Optimize Options
	fschedule-insns :		Optimize Options
	fschedule-insns2 :		Optimize Options
	fsection-anchors :		Optimize Options
	fsel-sched-pipelining :		Optimize Options
	fsel-sched-pipelining-outer-loops :		Optimize Options
	fselective-scheduling :		Optimize Options
	fselective-scheduling2 :		Optimize Options
	fsemantic-interposition :		Optimize Options
	fshort-enums :		Code Gen Options
	fshort-enums :		Structures unions enumerations and bit-fields implementation
	fshort-enums :		Common Type Attributes
	fshort-enums :		Non-bugs
	fshort-wchar :		Code Gen Options
	fshrink-wrap :		Optimize Options
	fshrink-wrap-separate :		Optimize Options
	fsignaling-nans :		Optimize Options
	fsigned-bitfields :		C Dialect Options
	fsigned-bitfields :		Non-bugs
	fsigned-char :		C Dialect Options
	fsigned-char :		Characters implementation
	fsimd-cost-model :		Optimize Options
	fsingle-precision-constant :		Optimize Options
	fsized-deallocation :		C++ Dialect Options
	fsplit-ivs-in-unroller :		Optimize Options
	fsplit-loops :		Optimize Options
	fsplit-paths :		Optimize Options
	fsplit-stack :		Instrumentation Options
	fsplit-stack :		Common Function Attributes
	fsplit-wide-types :		Optimize Options
	fssa-backprop :		Optimize Options
	fssa-phiopt :		Optimize Options
	fsso-struct :		C Dialect Options
	fstack-check :		Instrumentation Options
	fstack-limit-register :		Instrumentation Options
	fstack-limit-symbol :		Instrumentation Options
	fstack-protector :		Instrumentation Options
	fstack-protector-all :		Instrumentation Options
	fstack-protector-explicit :		Instrumentation Options
	fstack-protector-strong :		Instrumentation Options
	fstack-usage :		Developer Options
	fstack_reuse :		Code Gen Options
	fstats :		Developer Options
	fstdarg-opt :		Optimize Options
	fstore-merging :		Optimize Options
	fstrict-aliasing :		Optimize Options
	fstrict-enums :		C++ Dialect Options
	fstrict-overflow :		Optimize Options
	fstrict-volatile-bitfields :		Code Gen Options
	fstrong-eval-order :		C++ Dialect Options
	fsync-libcalls :		Code Gen Options
	fsyntax-only :		Warning Options
	ftabstop :		Preprocessor Options
	ftemplate-backtrace-limit :		C++ Dialect Options
	ftemplate-depth :		C++ Dialect Options
	ftest-coverage :		Instrumentation Options
	fthread-jumps :		Optimize Options
	ftime-report :		Developer Options
	ftime-report-details :		Developer Options
	ftls-model :		Code Gen Options
	ftracer :		Optimize Options
	ftrack-macro-expansion :		Preprocessor Options
	ftrampolines :		Code Gen Options
	ftrapv :		Code Gen Options
	ftree-bit-ccp :		Optimize Options
	ftree-builtin-call-dce :		Optimize Options
	ftree-ccp :		Optimize Options
	ftree-ch :		Optimize Options
	ftree-coalesce-vars :		Optimize Options
	ftree-copy-prop :		Optimize Options
	ftree-dce :		Optimize Options
	ftree-dominator-opts :		Optimize Options
	ftree-dse :		Optimize Options
	ftree-forwprop :		Optimize Options
	ftree-fre :		Optimize Options
	ftree-loop-distribute-patterns :		Optimize Options
	ftree-loop-distribution :		Optimize Options
	ftree-loop-if-convert :		Optimize Options
	ftree-loop-im :		Optimize Options
	ftree-loop-ivcanon :		Optimize Options
	ftree-loop-linear :		Optimize Options
	ftree-loop-optimize :		Optimize Options
	ftree-loop-vectorize :		Optimize Options
	ftree-parallelize-loops :		Optimize Options
	ftree-partial-pre :		Optimize Options
	ftree-phiprop :		Optimize Options
	ftree-pre :		Optimize Options
	ftree-pta :		Optimize Options
	ftree-reassoc :		Optimize Options
	ftree-sink :		Optimize Options
	ftree-slp-vectorize :		Optimize Options
	ftree-slsr :		Optimize Options
	ftree-sra :		Optimize Options
	ftree-switch-conversion :		Optimize Options
	ftree-tail-merge :		Optimize Options
	ftree-ter :		Optimize Options
	ftree-vectorize :		Optimize Options
	ftree-vrp :		Optimize Options
	funconstrained-commons :		Optimize Options
	funit-at-a-time :		Optimize Options
	funroll-all-loops :		Optimize Options
	funroll-loops :		Optimize Options
	funsafe-math-optimizations :		Optimize Options
	funsigned-bitfields :		C Dialect Options
	funsigned-bitfields :		Structures unions enumerations and bit-fields implementation
	funsigned-bitfields :		Non-bugs
	funsigned-char :		C Dialect Options
	funsigned-char :		Characters implementation
	funswitch-loops :		Optimize Options
	funwind-tables :		Code Gen Options
	fuse-cxa-atexit :		C++ Dialect Options
	fuse-ld=bfd :		Link Options
	fuse-ld=gold :		Link Options
	fuse-linker-plugin :		Optimize Options
	fvar-tracking :		Debugging Options
	fvar-tracking-assignments :		Debugging Options
	fvar-tracking-assignments-toggle :		Developer Options
	fvariable-expansion-in-unroller :		Optimize Options
	fvect-cost-model :		Optimize 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
	fvtable-verify :		Instrumentation Options
	fvtv-counts :		Instrumentation Options
	fvtv-debug :		Instrumentation Options
	fweb :		Optimize Options
	fwhole-program :		Optimize Options
	fwide-exec-charset :		Preprocessor Options
	fworking-directory :		Preprocessor Options
	fwrapv :		Code Gen Options
	fzero-link :		Objective-C and Objective-C++ Dialect Options
G
	g :		Debugging Options
	G :		M32R/D Options
	G :		MIPS Options
	G :		Nios II Options
	G :		RS/6000 and PowerPC Options
	G :		System V Options
	gcoff :		Debugging Options
	gcolumn-info :		Debugging Options
	gdwarf :		Debugging Options
	gen-decls :		Objective-C and Objective-C++ Dialect Options
	gfull :		Darwin Options
	ggdb :		Debugging Options
	ggnu-pubnames :		Debugging Options
	gno-column-info :		Debugging Options
	gno-record-gcc-switches :		Debugging Options
	gno-strict-dwarf :		Debugging Options
	gpubnames :		Debugging Options
	grecord-gcc-switches :		Debugging Options
	gsplit-dwarf :		Debugging Options
	gstabs :		Debugging Options
	gstabs+ :		Debugging Options
	gstrict-dwarf :		Debugging Options
	gtoggle :		Developer Options
	gused :		Darwin Options
	gvms :		Debugging Options
	gxcoff :		Debugging Options
	gxcoff+ :		Debugging Options
	gz :		Debugging Options
H
	H :		Preprocessor Options
	headerpad_max_install_names :		Darwin Options
	help :		Overall Options
I
	I :		Directory Options
	I- :		Directory Options
	idirafter :		Directory Options
	iframework :		Darwin Options
	imacros :		Preprocessor Options
	image_base :		Darwin Options
	imultilib :		Directory Options
	include :		Preprocessor Options
	init :		Darwin Options
	install_name :		Darwin Options
	iplugindir= :		Directory Options
	iprefix :		Directory Options
	iquote :		Directory Options
	isysroot :		Directory Options
	isystem :		Directory Options
	iwithprefix :		Directory Options
	iwithprefixbefore :		Directory Options
K
	keep_private_externs :		Darwin Options
L
	l :		Link Options
	L :		Directory Options
	lobjc :		Link Options
M
	M :		Preprocessor Options
	m :		RS/6000 and PowerPC Options
	m1 :		SH Options
	m10 :		PDP-11 Options
	m128bit-long-double :		x86 Options
	m16 :		x86 Options
	m16-bit :		CRIS Options
	m16-bit :		NDS32 Options
	m1reg- :		Adapteva Epiphany Options
	m2 :		SH Options
	m210 :		MCore Options
	m2a :		SH Options
	m2a-nofpu :		SH Options
	m2a-single :		SH Options
	m2a-single-only :		SH Options
	m3 :		SH Options
	m31 :		S/390 and zSeries Options
	m32 :		Nvidia PTX Options
	m32 :		RS/6000 and PowerPC Options
	m32 :		SPARC Options
	m32 :		TILE-Gx Options
	m32 :		TILEPro Options
	m32 :		x86 Options
	m32-bit :		CRIS Options
	m32bit-doubles :		RL78 Options
	m32bit-doubles :		RX Options
	m32r :		M32R/D Options
	m32r2 :		M32R/D Options
	m32rx :		M32R/D Options
	m340 :		MCore Options
	m3dnow :		x86 Options
	m3dnowa :		x86 Options
	m3e :		SH Options
	m4 :		SH Options
	m4-100 :		SH Options
	m4-100-nofpu :		SH Options
	m4-100-single :		SH Options
	m4-100-single-only :		SH Options
	m4-200 :		SH Options
	m4-200-nofpu :		SH Options
	m4-200-single :		SH Options
	m4-200-single-only :		SH Options
	m4-300 :		SH Options
	m4-300-nofpu :		SH Options
	m4-300-single :		SH Options
	m4-300-single-only :		SH Options
	m4-340 :		SH Options
	m4-500 :		SH Options
	m4-nofpu :		SH Options
	m4-single :		SH Options
	m4-single-only :		SH Options
	m40 :		PDP-11 Options
	m45 :		PDP-11 Options
	m4a :		SH Options
	m4a-nofpu :		SH Options
	m4a-single :		SH Options
	m4a-single-only :		SH Options
	m4al :		SH Options
	m4byte-functions :		MCore Options
	m5200 :		M680x0 Options
	m5206e :		M680x0 Options
	m528x :		M680x0 Options
	m5307 :		M680x0 Options
	m5407 :		M680x0 Options
	m64 :		Nvidia PTX Options
	m64 :		RS/6000 and PowerPC Options
	m64 :		S/390 and zSeries Options
	m64 :		SPARC Options
	m64 :		TILE-Gx Options
	m64 :		x86 Options
	m64bit-doubles :		RL78 Options
	m64bit-doubles :		RX Options
	m68000 :		M680x0 Options
	m68010 :		M680x0 Options
	m68020 :		M680x0 Options
	m68020-40 :		M680x0 Options
	m68020-60 :		M680x0 Options
	m68030 :		M680x0 Options
	m68040 :		M680x0 Options
	m68060 :		M680x0 Options
	m68881 :		M680x0 Options
	m8-bit :		CRIS Options
	m8bit-idiv :		x86 Options
	m8byte-align :		V850 Options
	m96bit-long-double :		x86 Options
	mA6 :		ARC Options
	mA7 :		ARC Options
	mabi :		AArch64 Options
	mabi :		ARM Options
	mabi :		RISC-V Options
	mabi :		RS/6000 and PowerPC Options
	mabi :		x86 Options
	mabi=32 :		MIPS Options
	mabi=64 :		MIPS Options
	mabi=eabi :		MIPS Options
	mabi=elfv1 :		RS/6000 and PowerPC Options
	mabi=elfv2 :		RS/6000 and PowerPC Options
	mabi=gnu :		MMIX Options
	mabi=ibmlongdouble :		RS/6000 and PowerPC Options
	mabi=ieeelongdouble :		RS/6000 and PowerPC Options
	mabi=mmixware :		MMIX Options
	mabi=n32 :		MIPS Options
	mabi=no-spe :		RS/6000 and PowerPC Options
	mabi=o64 :		MIPS Options
	mabi=spe :		RS/6000 and PowerPC Options
	mabicalls :		MIPS Options
	mabm :		x86 Options
	mabort-on-noreturn :		ARM Options
	mabs=2008 :		MIPS Options
	mabs=legacy :		MIPS Options
	mabsdata :		AVR Options
	mabsdiff :		MeP Options
	mabshi :		PDP-11 Options
	mac0 :		PDP-11 Options
	macc-4 :		FRV Options
	macc-8 :		FRV Options
	maccumulate-args :		AVR Options
	maccumulate-outgoing-args :		SH Options
	maccumulate-outgoing-args :		x86 Options
	maddress-mode=long :		x86 Options
	maddress-mode=short :		x86 Options
	maddress-space-conversion :		SPU Options
	mads :		RS/6000 and PowerPC Options
	maes :		x86 Options
	maix-struct-return :		RS/6000 and PowerPC Options
	maix32 :		RS/6000 and PowerPC Options
	maix64 :		RS/6000 and PowerPC Options
	malign-300 :		H8/300 Options
	malign-call :		ARC Options
	malign-data :		x86 Options
	malign-double :		x86 Options
	malign-int :		M680x0 Options
	malign-labels :		FRV Options
	malign-loops :		M32R/D Options
	malign-natural :		RS/6000 and PowerPC Options
	malign-power :		RS/6000 and PowerPC Options
	mall-opts :		MeP Options
	malloc-cc :		FRV Options
	mallow-string-insns :		RX Options
	mallregs :		RL78 Options
	maltivec :		RS/6000 and PowerPC Options
	maltivec=be :		RS/6000 and PowerPC Options
	maltivec=le :		RS/6000 and PowerPC Options
	mam33 :		MN10300 Options
	mam33-2 :		MN10300 Options
	mam34 :		MN10300 Options
	mandroid :		GNU/Linux Options
	mannotate-align :		ARC Options
	mapcs :		ARM Options
	mapcs-frame :		ARM Options
	mapp-regs :		SPARC Options
	mapp-regs :		V850 Options
	mARC600 :		ARC Options
	mARC601 :		ARC Options
	mARC700 :		ARC Options
	march :		AArch64 Options
	march :		ARM Options
	march :		C6X Options
	march :		CRIS Options
	march :		HPPA Options
	march :		HPPA Options
	march :		M680x0 Options
	march :		MIPS Options
	march :		NDS32 Options
	march :		Nios II Options
	march :		RISC-V Options
	march :		S/390 and zSeries Options
	march :		x86 Options
	marclinux :		ARC Options
	marclinux_prof :		ARC Options
	margonaut :		ARC Options
	marm :		ARM Options
	mas100-syntax :		RX Options
	masm-hex :		MSP430 Options
	masm-syntax-unified :		ARM Options
	masm=dialect :		x86 Options
	matomic :		ARC Options
	matomic-model=model :		SH Options
	matomic-updates :		SPU Options
	mauto-litpools :		Xtensa Options
	mauto-modify-reg :		ARC Options
	mauto-pic :		IA-64 Options
	maverage :		MeP Options
	mavoid-indexed-addresses :		RS/6000 and PowerPC Options
	mavx :		x86 Options
	mavx2 :		x86 Options
	mavx256-split-unaligned-load :		x86 Options
	mavx256-split-unaligned-store :		x86 Options
	mavx512bw :		x86 Options
	mavx512cd :		x86 Options
	mavx512dq :		x86 Options
	mavx512er :		x86 Options
	mavx512f :		x86 Options
	mavx512ifma :		x86 Options
	mavx512pf :		x86 Options
	mavx512vbmi :		x86 Options
	mavx512vl :		x86 Options
	max-vect-align :		Adapteva Epiphany Options
	mb :		SH Options
	mbackchain :		S/390 and zSeries Options
	mbarrel-shift-enabled :		LM32 Options
	mbarrel-shifter :		ARC Options
	mbarrel_shifter :		ARC Options
	mbase-addresses :		MMIX Options
	mbased= :		MeP Options
	mbbit-peephole :		ARC Options
	mbcopy :		PDP-11 Options
	mbcopy-builtin :		PDP-11 Options
	mbig :		RS/6000 and PowerPC Options
	mbig-endian :		AArch64 Options
	mbig-endian :		ARC Options
	mbig-endian :		ARM Options
	mbig-endian :		C6X Options
	mbig-endian :		IA-64 Options
	mbig-endian :		MCore Options
	mbig-endian :		MicroBlaze Options
	mbig-endian :		NDS32 Options
	mbig-endian :		RS/6000 and PowerPC Options
	mbig-endian :		TILE-Gx Options
	mbig-endian-data :		RX Options
	mbig-switch :		V850 Options
	mbigtable :		SH Options
	mbionic :		GNU/Linux Options
	mbit-align :		RS/6000 and PowerPC Options
	mbit-ops :		CR16 Options
	mbitfield :		M680x0 Options
	mbitops :		MeP Options
	mbitops :		SH Options
	mblock-move-inline-limit :		RS/6000 and PowerPC Options
	mbmi :		x86 Options
	mbranch-cheap :		PDP-11 Options
	mbranch-cost :		Adapteva Epiphany Options
	mbranch-cost :		AVR Options
	mbranch-cost :		MIPS Options
	mbranch-cost :		RISC-V Options
	mbranch-cost=num :		SH Options
	mbranch-cost=number :		M32R/D Options
	mbranch-expensive :		PDP-11 Options
	mbranch-hints :		SPU Options
	mbranch-likely :		MIPS Options
	mbranch-predict :		MMIX Options
	mbss-plt :		RS/6000 and PowerPC Options
	mbuild-constants :		DEC Alpha Options
	mbwx :		DEC Alpha Options
	mbypass-cache :		Nios II Options
	mc68000 :		M680x0 Options
	mc68020 :		M680x0 Options
	mc= :		MeP Options
	mcache-block-size :		NDS32 Options
	mcache-size :		SPU Options
	mcache-volatile :		Nios II Options
	mcall-eabi :		RS/6000 and PowerPC Options
	mcall-freebsd :		RS/6000 and PowerPC Options
	mcall-linux :		RS/6000 and PowerPC Options
	mcall-netbsd :		RS/6000 and PowerPC Options
	mcall-netbsd :		RS/6000 and PowerPC Options
	mcall-prologues :		AVR Options
	mcall-sysv :		RS/6000 and PowerPC Options
	mcall-sysv-eabi :		RS/6000 and PowerPC Options
	mcall-sysv-noeabi :		RS/6000 and PowerPC Options
	mcallee-super-interworking :		ARM Options
	mcaller-copies :		HPPA Options
	mcaller-super-interworking :		ARM Options
	mcallgraph-data :		MCore Options
	mcase-vector-pcrel :		ARC Options
	mcbcond :		SPARC Options
	mcbranch-force-delay-slot :		SH Options
	mcc-init :		CRIS Options
	mcfv4e :		M680x0 Options
	mcheck-zero-division :		MIPS Options
	mcix :		DEC Alpha Options
	mcld :		x86 Options
	mclear-hwcap :		Solaris 2 Options
	mclfushopt :		x86 Options
	mclip :		MeP Options
	mclzero :		x86 Options
	mcmodel :		NDS32 Options
	mcmodel :		SPARC Options
	mcmodel=kernel :		x86 Options
	mcmodel=large :		AArch64 Options
	mcmodel=large :		RS/6000 and PowerPC Options
	mcmodel=large :		TILE-Gx Options
	mcmodel=large :		x86 Options
	mcmodel=medany :		RISC-V Options
	mcmodel=medium :		RS/6000 and PowerPC Options
	mcmodel=medium :		x86 Options
	mcmodel=medlow :		RISC-V Options
	mcmodel=small :		AArch64 Options
	mcmodel=small :		RS/6000 and PowerPC Options
	mcmodel=small :		TILE-Gx Options
	mcmodel=small :		x86 Options
	mcmodel=tiny :		AArch64 Options
	mcmov :		NDS32 Options
	mcmove :		Adapteva Epiphany Options
	mcmpb :		RS/6000 and PowerPC Options
	mcmse :		ARM Options
	mcode-density :		ARC Options
	mcode-readable :		MIPS Options
	mcode-region :		MSP430 Options
	mcompact-branches=always :		MIPS Options
	mcompact-branches=never :		MIPS Options
	mcompact-branches=optimal :		MIPS Options
	mcompact-casesi :		ARC Options
	mcompat-align-parm :		RS/6000 and PowerPC Options
	mcond-exec :		FRV Options
	mcond-move :		FRV Options
	mconfig= :		MeP Options
	mconsole :		x86 Windows Options
	mconst-align :		CRIS Options
	mconst16 :		Xtensa Options
	mconstant-gp :		IA-64 Options
	mcop :		MeP Options
	mcop32 :		MeP Options
	mcop64 :		MeP Options
	mcorea :		Blackfin Options
	mcoreb :		Blackfin Options
	mcpu :		AArch64 Options
	mcpu :		ARC Options
	mcpu :		ARM Options
	mcpu :		CRIS Options
	mcpu :		DEC Alpha Options
	mcpu :		FRV Options
	mcpu :		M680x0 Options
	mcpu :		picoChip Options
	mcpu :		RL78 Options
	mcpu :		RS/6000 and PowerPC Options
	mcpu :		RX Options
	mcpu :		SPARC Options
	mcpu :		TILE-Gx Options
	mcpu :		TILEPro Options
	mcpu :		Visium Options
	mcpu :		x86 Options
	mcpu32 :		M680x0 Options
	mcpu= :		Blackfin Options
	mcpu= :		M32C Options
	mcpu= :		MicroBlaze Options
	mcpu= :		MSP430 Options
	mcr16c :		CR16 Options
	mcr16cplus :		CR16 Options
	mcrc32 :		x86 Options
	mcrypto :		RS/6000 and PowerPC Options
	mcsync-anomaly :		Blackfin Options
	mctor-dtor :		NDS32 Options
	mcustom-fpu-cfg :		Nios II Options
	mcustom-insn :		Nios II Options
	mcx16 :		x86 Options
	MD :		Preprocessor Options
	mdalign :		SH Options
	mdata-align :		CRIS Options
	mdata-model :		CR16 Options
	mdata-region :		MSP430 Options
	mdc :		MeP Options
	mdebug :		M32R/D Options
	mdebug :		S/390 and zSeries Options
	mdebug :		Visium Options
	mdebug-main=prefix :		VMS Options
	mdec-asm :		PDP-11 Options
	mdirect-move :		RS/6000 and PowerPC Options
	mdisable-callt :		V850 Options
	mdisable-fpregs :		HPPA Options
	mdisable-indexing :		HPPA Options
	mdiv :		M680x0 Options
	mdiv :		MCore Options
	mdiv :		MeP Options
	mdiv :		RISC-V Options
	mdiv-rem :		ARC Options
	mdiv=strategy :		SH Options
	mdivide-breaks :		MIPS Options
	mdivide-enabled :		LM32 Options
	mdivide-traps :		MIPS Options
	mdivsi3_libfunc=name :		SH Options
	mdll :		x86 Windows Options
	mdlmzb :		RS/6000 and PowerPC Options
	mdmx :		MIPS Options
	mdouble :		FRV Options
	mdouble-float :		MIPS Options
	mdouble-float :		RS/6000 and PowerPC Options
	mdpfp :		ARC Options
	mdpfp-compact :		ARC Options
	mdpfp-fast :		ARC Options
	mdpfp_compact :		ARC Options
	mdpfp_fast :		ARC Options
	mdsp :		MIPS Options
	mdsp-packa :		ARC Options
	mdspr2 :		MIPS Options
	mdsp_packa :		ARC Options
	mdual-nops :		SPU Options
	mdump-tune-features :		x86 Options
	mdvbf :		ARC Options
	mdwarf2-asm :		IA-64 Options
	mdword :		FRV Options
	mdynamic-no-pic :		RS/6000 and PowerPC Options
	mea :		ARC Options
	mEA :		ARC Options
	mea32 :		SPU Options
	mea64 :		SPU Options
	meabi :		RS/6000 and PowerPC Options
	mearly-cbranchsi :		ARC Options
	mearly-stop-bits :		IA-64 Options
	meb :		MeP Options
	meb :		Moxie Options
	meb :		Nios II Options
	meb :		Score Options
	mel :		MeP Options
	mel :		Moxie Options
	mel :		Nios II Options
	mel :		Score Options
	melf :		CRIS Options
	melf :		MMIX Options
	memb :		RS/6000 and PowerPC Options
	membedded-data :		MIPS Options
	memregs= :		M32C Options
	mep :		V850 Options
	mepsilon :		MMIX Options
	merror-reloc :		SPU Options
	mesa :		S/390 and zSeries Options
	metrax100 :		CRIS Options
	metrax4 :		CRIS Options
	meva :		MIPS Options
	mexpand-adddi :		ARC Options
	mexplicit-relocs :		DEC Alpha Options
	mexplicit-relocs :		MIPS Options
	mexr :		H8/300 Options
	mextern-sdata :		MIPS Options
	MF :		Preprocessor Options
	mf16c :		x86 Options
	mfast-fp :		Blackfin Options
	mfast-indirect-calls :		HPPA Options
	mfast-sw-div :		Nios II Options
	mfaster-structs :		SPARC Options
	mfdiv :		RISC-V Options
	mfdpic :		FRV Options
	mfentry :		x86 Options
	mfix :		DEC Alpha Options
	mfix-24k :		MIPS Options
	mfix-and-continue :		Darwin Options
	mfix-at697f :		SPARC Options
	mfix-cortex-a53-835769 :		AArch64 Options
	mfix-cortex-a53-843419 :		AArch64 Options
	mfix-cortex-m3-ldrd :		ARM Options
	mfix-gr712rc :		SPARC Options
	mfix-r10000 :		MIPS Options
	mfix-r4000 :		MIPS Options
	mfix-r4400 :		MIPS Options
	mfix-rm7000 :		MIPS Options
	mfix-sb1 :		MIPS Options
	mfix-ut699 :		SPARC Options
	mfix-ut700 :		SPARC Options
	mfix-vr4120 :		MIPS Options
	mfix-vr4130 :		MIPS Options
	mfixed-cc :		FRV Options
	mfixed-range :		HPPA Options
	mfixed-range :		IA-64 Options
	mfixed-range :		SH Options
	mfixed-range :		SPU Options
	mflat :		SPARC Options
	mflip-mips16 :		MIPS Options
	mfloat-abi :		ARM Options
	mfloat-gprs :		RS/6000 and PowerPC Options
	mfloat-ieee :		DEC Alpha Options
	mfloat-vax :		DEC Alpha Options
	mfloat128 :		RS/6000 and PowerPC Options
	mfloat128-hardware :		RS/6000 and PowerPC Options
	mfloat32 :		PDP-11 Options
	mfloat64 :		PDP-11 Options
	mflush-func :		MIPS Options
	mflush-func=name :		M32R/D Options
	mflush-trap=number :		M32R/D Options
	mfma :		x86 Options
	mfma4 :		x86 Options
	mfmaf :		SPARC Options
	mfmovd :		SH Options
	mforce-no-pic :		Xtensa Options
	mfp-exceptions :		MIPS Options
	mfp-mode :		Adapteva Epiphany Options
	mfp-reg :		DEC Alpha Options
	mfp-rounding-mode :		DEC Alpha Options
	mfp-trap-mode :		DEC Alpha Options
	mfp16-format :		ARM Options
	mfp32 :		MIPS Options
	mfp64 :		MIPS Options
	mfpmath :		Optimize Options
	mfpmath :		x86 Options
	mfpr-32 :		FRV Options
	mfpr-64 :		FRV Options
	mfprnd :		RS/6000 and PowerPC Options
	mfpu :		ARC Options
	mfpu :		ARM Options
	mfpu :		PDP-11 Options
	mfpu :		RS/6000 and PowerPC Options
	mfpu :		SPARC Options
	mfpu :		Visium Options
	mfpxx :		MIPS Options
	mfract-convert-truncate :		AVR Options
	mframe-header-opt :		MIPS Options
	mfriz :		RS/6000 and PowerPC Options
	mfsca :		SH Options
	mfsgsbase :		x86 Options
	mfsmuld :		SPARC Options
	mfsrra :		SH Options
	mfull-regs :		NDS32 Options
	mfull-toc :		RS/6000 and PowerPC Options
	mfused-madd :		IA-64 Options
	mfused-madd :		MIPS Options
	mfused-madd :		RS/6000 and PowerPC Options
	mfused-madd :		S/390 and zSeries Options
	mfused-madd :		SH Options
	mfused-madd :		Xtensa Options
	mfxsr :		x86 Options
	MG :		Preprocessor Options
	mg :		VAX Options
	mg10 :		RL78 Options
	mg13 :		RL78 Options
	mg14 :		RL78 Options
	mgas :		HPPA Options
	mgcc-abi :		V850 Options
	mgen-cell-microcode :		RS/6000 and PowerPC Options
	mgeneral-regs-only :		AArch64 Options
	mgeneral-regs-only :		x86 Options
	mghs :		V850 Options
	mglibc :		GNU/Linux Options
	mgnu :		VAX Options
	mgnu-as :		IA-64 Options
	mgnu-attribute :		RS/6000 and PowerPC Options
	mgnu-ld :		HPPA Options
	mgnu-ld :		IA-64 Options
	mgomp :		Nvidia PTX Options
	mgotplt :		CRIS Options
	mgp32 :		MIPS Options
	mgp64 :		MIPS Options
	mgpopt :		MIPS Options
	mgpopt :		Nios II Options
	mgpr-32 :		FRV Options
	mgpr-64 :		FRV Options
	mgprel-ro :		FRV Options
	mh :		H8/300 Options
	mhal :		Nios II Options
	mhalf-reg-file :		Adapteva Epiphany Options
	mhard-dfp :		RS/6000 and PowerPC Options
	mhard-dfp :		S/390 and zSeries Options
	mhard-float :		FRV Options
	mhard-float :		M680x0 Options
	mhard-float :		MicroBlaze Options
	mhard-float :		MIPS Options
	mhard-float :		RS/6000 and PowerPC Options
	mhard-float :		S/390 and zSeries Options
	mhard-float :		SPARC Options
	mhard-float :		V850 Options
	mhard-float :		Visium Options
	mhard-float :		x86 Options
	mhard-quad-float :		SPARC Options
	mhardlit :		MCore Options
	mhint-max-distance :		SPU Options
	mhint-max-nops :		SPU Options
	mhotpatch :		S/390 and zSeries Options
	mhp-ld :		HPPA Options
	mhtm :		RS/6000 and PowerPC Options
	mhtm :		S/390 and zSeries Options
	mhw-div :		Nios II Options
	mhw-mul :		Nios II Options
	mhw-mulx :		Nios II Options
	mhwmult= :		MSP430 Options
	miamcu :		x86 Options
	micplb :		Blackfin Options
	mid-shared-library :		Blackfin Options
	mieee :		DEC Alpha Options
	mieee :		SH Options
	mieee-conformant :		DEC Alpha Options
	mieee-fp :		x86 Options
	mieee-with-inexact :		DEC Alpha Options
	milp32 :		IA-64 Options
	mimadd :		MIPS Options
	mimpure-text :		Solaris 2 Options
	mincoming-stack-boundary :		x86 Options
	mindexed-loads :		ARC Options
	minline-all-stringops :		x86 Options
	minline-float-divide-max-throughput :		IA-64 Options
	minline-float-divide-min-latency :		IA-64 Options
	minline-ic_invalidate :		SH Options
	minline-int-divide-max-throughput :		IA-64 Options
	minline-int-divide-min-latency :		IA-64 Options
	minline-plt :		Blackfin Options
	minline-plt :		FRV Options
	minline-sqrt-max-throughput :		IA-64 Options
	minline-sqrt-min-latency :		IA-64 Options
	minline-stringops-dynamically :		x86 Options
	minrt :		MSP430 Options
	minsert-sched-nops :		RS/6000 and PowerPC Options
	mint-register :		RX Options
	mint16 :		PDP-11 Options
	mint32 :		CR16 Options
	mint32 :		H8/300 Options
	mint32 :		PDP-11 Options
	mint8 :		AVR Options
	minterlink-compressed :		MIPS Options
	minterlink-mips16 :		MIPS Options
	mio-volatile :		MeP Options
	mips1 :		MIPS Options
	mips16 :		MIPS Options
	mips2 :		MIPS Options
	mips3 :		MIPS Options
	mips32 :		MIPS Options
	mips32r3 :		MIPS Options
	mips32r5 :		MIPS Options
	mips32r6 :		MIPS Options
	mips3d :		MIPS Options
	mips4 :		MIPS Options
	mips64 :		MIPS Options
	mips64r2 :		MIPS Options
	mips64r3 :		MIPS Options
	mips64r5 :		MIPS Options
	mips64r6 :		MIPS Options
	misel :		RS/6000 and PowerPC Options
	misize :		ARC Options
	misize :		SH Options
	misr-vector-size :		NDS32 Options
	missue-rate=number :		M32R/D Options
	mivc2 :		MeP Options
	mjsr :		RX Options
	mjump-in-delay :		HPPA Options
	mkernel :		Darwin Options
	mknuthdiv :		MMIX Options
	ml :		MeP Options
	ml :		SH Options
	mlarge :		MSP430 Options
	mlarge-data :		DEC Alpha Options
	mlarge-data-threshold :		x86 Options
	mlarge-mem :		SPU Options
	mlarge-text :		DEC Alpha Options
	mleadz :		MeP Options
	mleaf-id-shared-library :		Blackfin Options
	mlibfuncs :		MMIX Options
	mlibrary-pic :		FRV Options
	mlinked-fp :		FRV Options
	mlinker-opt :		HPPA Options
	mlinux :		CRIS Options
	mlittle :		RS/6000 and PowerPC Options
	mlittle-endian :		AArch64 Options
	mlittle-endian :		ARC Options
	mlittle-endian :		ARM Options
	mlittle-endian :		C6X Options
	mlittle-endian :		IA-64 Options
	mlittle-endian :		MCore Options
	mlittle-endian :		MicroBlaze Options
	mlittle-endian :		NDS32 Options
	mlittle-endian :		RS/6000 and PowerPC Options
	mlittle-endian :		TILE-Gx Options
	mlittle-endian-data :		RX Options
	mliw :		MN10300 Options
	mll64 :		ARC Options
	mllsc :		MIPS Options
	mload-store-pairs :		MIPS Options
	mlocal-sdata :		MIPS Options
	mlock :		ARC Options
	mlong-calls :		Adapteva Epiphany Options
	mlong-calls :		ARC Options
	mlong-calls :		ARM Options
	mlong-calls :		Blackfin Options
	mlong-calls :		FRV Options
	mlong-calls :		MIPS Options
	mlong-calls :		V850 Options
	mlong-double-128 :		S/390 and zSeries Options
	mlong-double-128 :		x86 Options
	mlong-double-64 :		S/390 and zSeries Options
	mlong-double-64 :		x86 Options
	mlong-double-80 :		x86 Options
	mlong-jump-table-offsets :		M680x0 Options
	mlong-jumps :		V850 Options
	mlong-load-store :		HPPA Options
	mlong32 :		MIPS Options
	mlong64 :		MIPS Options
	mlongcall :		RS/6000 and PowerPC Options
	mlongcalls :		Xtensa Options
	mloop :		V850 Options
	mlow-64k :		Blackfin Options
	mlow-precision-recip-sqrt :		AArch64 Options
	mlp64 :		IA-64 Options
	mlra :		ARC Options
	mlra :		FT32 Options
	mlra :		RS/6000 and PowerPC Options
	mlra :		SPARC Options
	mlra-priority-compact :		ARC Options
	mlra-priority-noncompact :		ARC Options
	mlra-priority-none :		ARC Options
	mlwp :		x86 Options
	mlxc1-sxc1 :		MIPS Options
	mlzcnt :		x86 Options
	MM :		Preprocessor Options
	mm :		MeP Options
	mmac :		CR16 Options
	mmac :		Score Options
	mmac-24 :		ARC Options
	mmac-d16 :		ARC Options
	mmac_24 :		ARC Options
	mmac_d16 :		ARC Options
	mmad :		MIPS Options
	mmadd4 :		MIPS Options
	mmainkernel :		Nvidia PTX Options
	mmalloc64 :		VMS Options
	mmax :		DEC Alpha Options
	mmax-constant-size :		RX Options
	mmax-stack-frame :		CRIS Options
	mmcount-ra-address :		MIPS Options
	mmcu :		AVR Options
	mmcu :		MIPS Options
	mmcu= :		MSP430 Options
	MMD :		Preprocessor Options
	mmedia :		FRV Options
	mmedium-calls :		ARC Options
	mmemcpy :		MicroBlaze Options
	mmemcpy :		MIPS Options
	mmemcpy-strategy=strategy :		x86 Options
	mmemory-latency :		DEC Alpha Options
	mmemory-model :		SPARC Options
	mmemset-strategy=strategy :		x86 Options
	mmfcrf :		RS/6000 and PowerPC Options
	mmfpgpr :		RS/6000 and PowerPC Options
	mmicromips :		MIPS Options
	mminimal-toc :		RS/6000 and PowerPC Options
	mminmax :		MeP Options
	mmitigate-rop :		x86 Options
	mmixed-code :		ARC Options
	mmmx :		x86 Options
	mmodel=large :		M32R/D Options
	mmodel=medium :		M32R/D Options
	mmodel=small :		M32R/D Options
	mmovbe :		x86 Options
	mmpx :		x86 Options
	mmpy-option :		ARC Options
	mms-bitfields :		x86 Options
	mmt :		MIPS Options
	mmul :		RL78 Options
	mmul-bug-workaround :		CRIS Options
	mmul.x :		Moxie Options
	mmul32x16 :		ARC Options
	mmul64 :		ARC Options
	mmuladd :		FRV Options
	mmulhw :		RS/6000 and PowerPC Options
	mmult :		MeP Options
	mmult-bug :		MN10300 Options
	mmultcost :		ARC Options
	mmulti-cond-exec :		FRV Options
	mmulticore :		Blackfin Options
	mmultiple :		RS/6000 and PowerPC Options
	mmusl :		GNU/Linux Options
	mmvcle :		S/390 and zSeries Options
	mmvme :		RS/6000 and PowerPC Options
	mmwaitx :		x86 Options
	mn :		H8/300 Options
	mn-flash :		AVR Options
	mnan=2008 :		MIPS Options
	mnan=legacy :		MIPS Options
	mneon-for-64bits :		ARM Options
	mnested-cond-exec :		FRV Options
	mnhwloop :		Score Options
	mno-16-bit :		NDS32 Options
	mno-4byte-functions :		MCore Options
	mno-8byte-align :		V850 Options
	mno-abicalls :		MIPS Options
	mno-abshi :		PDP-11 Options
	mno-ac0 :		PDP-11 Options
	mno-address-space-conversion :		SPU Options
	mno-align-double :		x86 Options
	mno-align-int :		M680x0 Options
	mno-align-loops :		M32R/D Options
	mno-align-stringops :		x86 Options
	mno-allow-string-insns :		RX Options
	mno-altivec :		RS/6000 and PowerPC Options
	mno-am33 :		MN10300 Options
	mno-app-regs :		SPARC Options
	mno-app-regs :		V850 Options
	mno-as100-syntax :		RX Options
	mno-atomic-updates :		SPU Options
	mno-auto-litpools :		Xtensa Options
	mno-avoid-indexed-addresses :		RS/6000 and PowerPC Options
	mno-backchain :		S/390 and zSeries Options
	mno-base-addresses :		MMIX Options
	mno-bit-align :		RS/6000 and PowerPC Options
	mno-bitfield :		M680x0 Options
	mno-branch-likely :		MIPS Options
	mno-branch-predict :		MMIX Options
	mno-brcc :		ARC Options
	mno-bwx :		DEC Alpha Options
	mno-bypass-cache :		Nios II Options
	mno-cache-volatile :		Nios II Options
	mno-callgraph-data :		MCore Options
	mno-cbcond :		SPARC Options
	mno-check-zero-division :		MIPS Options
	mno-cix :		DEC Alpha Options
	mno-clearbss :		MicroBlaze Options
	mno-cmov :		NDS32 Options
	mno-cmpb :		RS/6000 and PowerPC Options
	mno-cond-exec :		ARC Options
	mno-cond-exec :		FRV Options
	mno-cond-move :		FRV Options
	mno-const-align :		CRIS Options
	mno-const16 :		Xtensa Options
	mno-crt0 :		MN10300 Options
	mno-crt0 :		Moxie Options
	mno-crypto :		RS/6000 and PowerPC Options
	mno-csync-anomaly :		Blackfin Options
	mno-custom-insn :		Nios II Options
	mno-data-align :		CRIS Options
	mno-debug :		S/390 and zSeries Options
	mno-default :		x86 Options
	mno-direct-move :		RS/6000 and PowerPC Options
	mno-disable-callt :		V850 Options
	mno-div :		M680x0 Options
	mno-div :		MCore Options
	mno-dlmzb :		RS/6000 and PowerPC Options
	mno-double :		FRV Options
	mno-dpfp-lrsr :		ARC Options
	mno-dsp :		MIPS Options
	mno-dspr2 :		MIPS Options
	mno-dwarf2-asm :		IA-64 Options
	mno-dword :		FRV Options
	mno-eabi :		RS/6000 and PowerPC Options
	mno-early-stop-bits :		IA-64 Options
	mno-eflags :		FRV Options
	mno-embedded-data :		MIPS Options
	mno-ep :		V850 Options
	mno-epsilon :		MMIX Options
	mno-eva :		MIPS Options
	mno-explicit-relocs :		DEC Alpha Options
	mno-explicit-relocs :		MIPS Options
	mno-exr :		H8/300 Options
	mno-extern-sdata :		MIPS Options
	mno-fancy-math-387 :		x86 Options
	mno-fast-sw-div :		Nios II Options
	mno-faster-structs :		SPARC Options
	mno-fix :		DEC Alpha Options
	mno-fix-24k :		MIPS Options
	mno-fix-cortex-a53-835769 :		AArch64 Options
	mno-fix-cortex-a53-843419 :		AArch64 Options
	mno-fix-r10000 :		MIPS Options
	mno-fix-r4000 :		MIPS Options
	mno-fix-r4400 :		MIPS Options
	mno-flat :		SPARC Options
	mno-float :		MIPS Options
	mno-float128 :		RS/6000 and PowerPC Options
	mno-float128-hardware :		RS/6000 and PowerPC Options
	mno-float32 :		PDP-11 Options
	mno-float64 :		PDP-11 Options
	mno-flush-func :		M32R/D Options
	mno-flush-trap :		M32R/D Options
	mno-fmaf :		SPARC Options
	mno-fp-in-toc :		RS/6000 and PowerPC Options
	mno-fp-regs :		DEC Alpha Options
	mno-fp-ret-in-387 :		x86 Options
	mno-fprnd :		RS/6000 and PowerPC Options
	mno-fpu :		SPARC Options
	mno-fpu :		Visium Options
	mno-fsca :		SH Options
	mno-fsmuld :		SPARC Options
	mno-fsrra :		SH Options
	mno-fused-madd :		IA-64 Options
	mno-fused-madd :		MIPS Options
	mno-fused-madd :		RS/6000 and PowerPC Options
	mno-fused-madd :		S/390 and zSeries Options
	mno-fused-madd :		SH Options
	mno-fused-madd :		Xtensa Options
	mno-gnu-as :		IA-64 Options
	mno-gnu-attribute :		RS/6000 and PowerPC Options
	mno-gnu-ld :		IA-64 Options
	mno-gotplt :		CRIS Options
	mno-gpopt :		MIPS Options
	mno-gpopt :		Nios II Options
	mno-hard-dfp :		RS/6000 and PowerPC Options
	mno-hard-dfp :		S/390 and zSeries Options
	mno-hardlit :		MCore Options
	mno-htm :		RS/6000 and PowerPC Options
	mno-htm :		S/390 and zSeries Options
	mno-hw-div :		Nios II Options
	mno-hw-mul :		Nios II Options
	mno-hw-mulx :		Nios II Options
	mno-id-shared-library :		Blackfin Options
	mno-ieee :		SH Options
	mno-ieee-fp :		x86 Options
	mno-imadd :		MIPS Options
	mno-inline-float-divide :		IA-64 Options
	mno-inline-int-divide :		IA-64 Options
	mno-inline-sqrt :		IA-64 Options
	mno-int16 :		PDP-11 Options
	mno-int32 :		PDP-11 Options
	mno-interlink-compressed :		MIPS Options
	mno-interlink-mips16 :		MIPS Options
	mno-interrupts :		AVR Options
	mno-isel :		RS/6000 and PowerPC Options
	mno-jsr :		RX Options
	mno-knuthdiv :		MMIX Options
	mno-leaf-id-shared-library :		Blackfin Options
	mno-libfuncs :		MMIX Options
	mno-llsc :		MIPS Options
	mno-load-store-pairs :		MIPS Options
	mno-local-sdata :		MIPS Options
	mno-long-calls :		ARM Options
	mno-long-calls :		Blackfin Options
	mno-long-calls :		HPPA Options
	mno-long-calls :		MIPS Options
	mno-long-calls :		V850 Options
	mno-long-jumps :		V850 Options
	mno-longcall :		RS/6000 and PowerPC Options
	mno-longcalls :		Xtensa Options
	mno-low-64k :		Blackfin Options
	mno-low-precision-recip-sqrt :		AArch64 Options
	mno-lra :		SPARC Options
	mno-lsim :		FR30 Options
	mno-lsim :		MCore Options
	mno-mad :		MIPS Options
	mno-max :		DEC Alpha Options
	mno-mcount-ra-address :		MIPS Options
	mno-mcu :		MIPS Options
	mno-mdmx :		MIPS Options
	mno-media :		FRV Options
	mno-memcpy :		MIPS Options
	mno-mfcrf :		RS/6000 and PowerPC Options
	mno-mfpgpr :		RS/6000 and PowerPC Options
	mno-millicode :		ARC Options
	mno-mips16 :		MIPS Options
	mno-mips3d :		MIPS Options
	mno-mmicromips :		MIPS Options
	mno-mpy :		ARC Options
	mno-ms-bitfields :		x86 Options
	mno-mt :		MIPS Options
	mno-mul-bug-workaround :		CRIS Options
	mno-muladd :		FRV Options
	mno-mulhw :		RS/6000 and PowerPC Options
	mno-mult-bug :		MN10300 Options
	mno-multi-cond-exec :		FRV Options
	mno-multiple :		RS/6000 and PowerPC Options
	mno-mvcle :		S/390 and zSeries Options
	mno-nested-cond-exec :		FRV Options
	mno-odd-spreg :		MIPS Options
	mno-omit-leaf-frame-pointer :		AArch64 Options
	mno-optimize-membar :		FRV Options
	mno-opts :		MeP Options
	mno-pack :		FRV Options
	mno-packed-stack :		S/390 and zSeries Options
	mno-paired :		RS/6000 and PowerPC Options
	mno-paired-single :		MIPS Options
	mno-perf-ext :		NDS32 Options
	mno-pic :		IA-64 Options
	mno-pid :		RX Options
	mno-plt :		MIPS Options
	mno-popc :		SPARC Options
	mno-popcntb :		RS/6000 and PowerPC Options
	mno-popcntd :		RS/6000 and PowerPC Options
	mno-postinc :		Adapteva Epiphany Options
	mno-postmodify :		Adapteva Epiphany Options
	mno-power8-fusion :		RS/6000 and PowerPC Options
	mno-power8-vector :		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-prolog-function :		V850 Options
	mno-prologue-epilogue :		CRIS Options
	mno-prototype :		RS/6000 and PowerPC Options
	mno-push-args :		x86 Options
	mno-quad-memory :		RS/6000 and PowerPC Options
	mno-quad-memory-atomic :		RS/6000 and PowerPC Options
	mno-red-zone :		x86 Options
	mno-register-names :		IA-64 Options
	mno-regnames :		RS/6000 and PowerPC Options
	mno-relax :		V850 Options
	mno-relax-immediate :		MCore Options
	mno-relocatable :		RS/6000 and PowerPC Options
	mno-relocatable-lib :		RS/6000 and PowerPC Options
	mno-renesas :		SH Options
	mno-round-nearest :		Adapteva Epiphany Options
	mno-rtd :		M680x0 Options
	mno-save-mduc-in-interrupts :		RL78 Options
	mno-scc :		FRV Options
	mno-sched-ar-data-spec :		IA-64 Options
	mno-sched-ar-in-data-spec :		IA-64 Options
	mno-sched-br-data-spec :		IA-64 Options
	mno-sched-br-in-data-spec :		IA-64 Options
	mno-sched-control-spec :		IA-64 Options
	mno-sched-count-spec-in-critical-path :		IA-64 Options
	mno-sched-in-control-spec :		IA-64 Options
	mno-sched-prefer-non-control-spec-insns :		IA-64 Options
	mno-sched-prefer-non-data-spec-insns :		IA-64 Options
	mno-sched-prolog :		ARM Options
	mno-sdata :		ARC Options
	mno-sdata :		IA-64 Options
	mno-sdata :		RS/6000 and PowerPC Options
	mno-sep-data :		Blackfin Options
	mno-serialize-volatile :		Xtensa Options
	mno-short :		M680x0 Options
	mno-side-effects :		CRIS Options
	mno-sim :		RX Options
	mno-single-exit :		MMIX Options
	mno-slow-bytes :		MCore Options
	mno-small-exec :		S/390 and zSeries Options
	mno-smartmips :		MIPS Options
	mno-soft-cmpsf :		Adapteva Epiphany Options
	mno-soft-float :		DEC Alpha Options
	mno-space-regs :		HPPA Options
	mno-spe :		RS/6000 and PowerPC Options
	mno-specld-anomaly :		Blackfin Options
	mno-split-addresses :		MIPS Options
	mno-stack-align :		CRIS Options
	mno-stack-bias :		SPARC Options
	mno-std-struct-return :		SPARC Options
	mno-strict-align :		M680x0 Options
	mno-strict-align :		RS/6000 and PowerPC Options
	mno-string :		RS/6000 and PowerPC Options
	mno-subxc :		SPARC Options
	mno-sum-in-toc :		RS/6000 and PowerPC Options
	mno-sym32 :		MIPS Options
	mno-target-align :		Xtensa Options
	mno-text-section-literals :		Xtensa Options
	mno-tls-markers :		RS/6000 and PowerPC Options
	mno-toc :		RS/6000 and PowerPC Options
	mno-toplevel-symbols :		MMIX Options
	mno-tpf-trace :		S/390 and zSeries Options
	mno-unaligned-access :		ARM Options
	mno-unaligned-doubles :		SPARC Options
	mno-uninit-const-in-rodata :		MIPS Options
	mno-update :		RS/6000 and PowerPC Options
	mno-upper-regs :		RS/6000 and PowerPC Options
	mno-upper-regs-df :		RS/6000 and PowerPC Options
	mno-upper-regs-di :		RS/6000 and PowerPC Options
	mno-upper-regs-sf :		RS/6000 and PowerPC Options
	mno-user-mode :		SPARC Options
	mno-usermode :		SH Options
	mno-v3push :		NDS32 Options
	mno-v8plus :		SPARC Options
	mno-vect-double :		Adapteva Epiphany Options
	mno-virt :		MIPS Options
	mno-vis :		SPARC Options
	mno-vis2 :		SPARC Options
	mno-vis3 :		SPARC Options
	mno-vis4 :		SPARC Options
	mno-vis4b :		SPARC Options
	mno-vliw-branch :		FRV Options
	mno-volatile-asm-stop :		IA-64 Options
	mno-volatile-cache :		ARC Options
	mno-vrsave :		RS/6000 and PowerPC Options
	mno-vsx :		RS/6000 and PowerPC Options
	mno-vx :		S/390 and zSeries Options
	mno-warn-mcu :		MSP430 Options
	mno-warn-multiple-fast-interrupts :		RX Options
	mno-wide-bitfields :		MCore Options
	mno-xgot :		M680x0 Options
	mno-xgot :		MIPS Options
	mno-xl-compat :		RS/6000 and PowerPC Options
	mno-xpa :		MIPS Options
	mno-zdcbranch :		SH Options
	mno-zero-extend :		MMIX Options
	mno-zvector :		S/390 and zSeries Options
	mnobitfield :		M680x0 Options
	mnodiv :		FT32 Options
	mnoliw :		MN10300 Options
	mnomacsave :		SH Options
	mnop-fun-dllimport :		x86 Windows Options
	mnop-mcount :		x86 Options
	mnops :		Adapteva Epiphany Options
	mnorm :		ARC Options
	mnosetlb :		MN10300 Options
	mnosplit-lohi :		Adapteva Epiphany Options
	modd-spreg :		MIPS Options
	momit-leaf-frame-pointer :		AArch64 Options
	momit-leaf-frame-pointer :		Blackfin Options
	momit-leaf-frame-pointer :		x86 Options
	mone-byte-bool :		Darwin Options
	moptimize :		Nvidia PTX Options
	moptimize-membar :		FRV Options
	moverride :		AArch64 Options
	MP :		Preprocessor Options
	mpa-risc-1-0 :		HPPA Options
	mpa-risc-1-1 :		HPPA Options
	mpa-risc-2-0 :		HPPA Options
	mpack :		FRV Options
	mpacked-stack :		S/390 and zSeries Options
	mpadstruct :		SH Options
	mpaired :		RS/6000 and PowerPC Options
	mpaired-single :		MIPS Options
	mpc-relative-literal-loads :		AArch64 Options
	mpc32 :		x86 Options
	mpc64 :		x86 Options
	mpc80 :		x86 Options
	mpclmul :		x86 Options
	mpcrel :		M680x0 Options
	mpdebug :		CRIS Options
	mpe :		RS/6000 and PowerPC Options
	mpe-aligned-commons :		x86 Windows Options
	mperf-ext :		NDS32 Options
	mpic-data-is-text-relative :		ARM Options
	mpic-register :		ARM Options
	mpid :		RX Options
	mpku :		x86 Options
	mplt :		MIPS Options
	mpointer-size=size :		VMS Options
	mpointers-to-nested-functions :		RS/6000 and PowerPC Options
	mpoke-function-name :		ARM Options
	mpopc :		SPARC Options
	mpopcnt :		x86 Options
	mpopcntb :		RS/6000 and PowerPC Options
	mpopcntd :		RS/6000 and PowerPC Options
	mportable-runtime :		HPPA Options
	mpower8-fusion :		RS/6000 and PowerPC Options
	mpower8-vector :		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
	mprefer-avx128 :		x86 Options
	mprefer-short-insn-regs :		Adapteva Epiphany Options
	mprefergot :		SH Options
	mpreferred-stack-boundary :		x86 Options
	mprefetchwt1 :		x86 Options
	mpretend-cmove :		SH Options
	mprint-tune-info :		ARM Options
	mprioritize-restricted-insns :		RS/6000 and PowerPC Options
	mprolog-function :		V850 Options
	mprologue-epilogue :		CRIS Options
	mprototype :		RS/6000 and PowerPC Options
	mpure-code :		ARM Options
	mpush-args :		x86 Options
	MQ :		Preprocessor Options
	mq-class :		ARC Options
	mquad-memory :		RS/6000 and PowerPC Options
	mquad-memory-atomic :		RS/6000 and PowerPC Options
	mr10k-cache-barrier :		MIPS Options
	mRcq :		ARC Options
	mRcw :		ARC Options
	mrdrnd :		x86 Options
	mrecip :		RS/6000 and PowerPC Options
	mrecip :		x86 Options
	mrecip-precision :		RS/6000 and PowerPC Options
	mrecip=opt :		RS/6000 and PowerPC Options
	mrecip=opt :		x86 Options
	mrecord-mcount :		x86 Options
	mreduced-regs :		NDS32 Options
	mregister-names :		IA-64 Options
	mregnames :		RS/6000 and PowerPC Options
	mregparm :		x86 Options
	mrelax :		AVR Options
	mrelax :		H8/300 Options
	mrelax :		MN10300 Options
	mrelax :		MSP430 Options
	mrelax :		NDS32 Options
	mrelax :		RX Options
	mrelax :		SH Options
	mrelax :		V850 Options
	mrelax-immediate :		MCore Options
	mrelax-pic-calls :		MIPS Options
	mrelocatable :		RS/6000 and PowerPC Options
	mrelocatable-lib :		RS/6000 and PowerPC Options
	mrenesas :		SH Options
	mrepeat :		MeP Options
	mrestrict-it :		ARM Options
	mreturn-pointer-on-d0 :		MN10300 Options
	mrh850-abi :		V850 Options
	mrl78 :		RL78 Options
	mrmw :		AVR Options
	mrtd :		M680x0 Options
	mrtd :		x86 Options
	mrtd :		x86 Function Attributes
	mrtm :		x86 Options
	mrtp :		VxWorks Options
	mrtsc :		ARC Options
	ms :		H8/300 Options
	ms :		MeP Options
	ms2600 :		H8/300 Options
	msafe-dma :		SPU Options
	msafe-hints :		SPU Options
	msahf :		x86 Options
	msatur :		MeP Options
	msave-acc-in-interrupts :		RX Options
	msave-mduc-in-interrupts :		RL78 Options
	msave-restore :		RISC-V Options
	msave-toc-indirect :		RS/6000 and PowerPC Options
	mscc :		FRV Options
	msched-ar-data-spec :		IA-64 Options
	msched-ar-in-data-spec :		IA-64 Options
	msched-br-data-spec :		IA-64 Options
	msched-br-in-data-spec :		IA-64 Options
	msched-control-spec :		IA-64 Options
	msched-costly-dep :		RS/6000 and PowerPC Options
	msched-count-spec-in-critical-path :		IA-64 Options
	msched-fp-mem-deps-zero-cost :		IA-64 Options
	msched-in-control-spec :		IA-64 Options
	msched-max-memory-insns :		IA-64 Options
	msched-max-memory-insns-hard-limit :		IA-64 Options
	msched-prefer-non-control-spec-insns :		IA-64 Options
	msched-prefer-non-data-spec-insns :		IA-64 Options
	msched-spec-ldc :		IA-64 Options
	msched-spec-ldc :		IA-64 Options
	msched-stop-bits-after-every-cycle :		IA-64 Options
	mschedule :		HPPA Options
	mscore5 :		Score Options
	mscore5u :		Score Options
	mscore7 :		Score Options
	mscore7d :		Score Options
	msda :		V850 Options
	msdata :		IA-64 Options
	msdata :		RS/6000 and PowerPC Options
	msdata=all :		C6X Options
	msdata=data :		RS/6000 and PowerPC Options
	msdata=default :		C6X Options
	msdata=default :		RS/6000 and PowerPC Options
	msdata=eabi :		RS/6000 and PowerPC Options
	msdata=none :		C6X Options
	msdata=none :		M32R/D Options
	msdata=none :		RS/6000 and PowerPC Options
	msdata=sdata :		M32R/D Options
	msdata=sysv :		RS/6000 and PowerPC Options
	msdata=use :		M32R/D Options
	msdram :		Blackfin Options
	msdram :		MeP Options
	msecure-plt :		RS/6000 and PowerPC Options
	msel-sched-dont-check-control-spec :		IA-64 Options
	msep-data :		Blackfin Options
	mserialize-volatile :		Xtensa Options
	msetlb :		MN10300 Options
	msha :		x86 Options
	mshared-library-id :		Blackfin Options
	mshort :		M680x0 Options
	msign-extend-enabled :		LM32 Options
	msign-return-address :		AArch64 Options
	msilicon-errata :		MSP430 Options
	msilicon-errata-warn :		MSP430 Options
	msim :		Blackfin Options
	msim :		C6X Options
	msim :		CR16 Options
	msim :		FT32 Options
	msim :		M32C Options
	msim :		MeP Options
	msim :		MSP430 Options
	msim :		RL78 Options
	msim :		RS/6000 and PowerPC Options
	msim :		RX Options
	msim :		Visium Options
	msim :		Xstormy16 Options
	msimd :		ARC Options
	msimnovec :		MeP Options
	msimple-fpu :		RS/6000 and PowerPC Options
	msingle-exit :		MMIX Options
	msingle-float :		MIPS Options
	msingle-float :		RS/6000 and PowerPC Options
	msingle-pic-base :		ARM Options
	msingle-pic-base :		RS/6000 and PowerPC Options
	msio :		HPPA Options
	msize-level :		ARC Options
	mskip-rax-setup :		x86 Options
	mslow-bytes :		MCore Options
	mslow-flash-data :		ARM Options
	msmall :		MSP430 Options
	msmall-data :		DEC Alpha Options
	msmall-data-limit :		RISC-V Options
	msmall-data-limit :		RX Options
	msmall-divides :		MicroBlaze Options
	msmall-exec :		S/390 and zSeries Options
	msmall-mem :		SPU Options
	msmall-model :		FR30 Options
	msmall-text :		DEC Alpha Options
	msmall16 :		Adapteva Epiphany Options
	msmallc :		Nios II Options
	msmartmips :		MIPS Options
	msoft-float :		ARC Options
	msoft-float :		DEC Alpha Options
	msoft-float :		FRV Options
	msoft-float :		HPPA Options
	msoft-float :		M680x0 Options
	msoft-float :		MicroBlaze Options
	msoft-float :		MIPS Options
	msoft-float :		PDP-11 Options
	msoft-float :		RS/6000 and PowerPC Options
	msoft-float :		S/390 and zSeries Options
	msoft-float :		SPARC Options
	msoft-float :		V850 Options
	msoft-float :		Visium Options
	msoft-float :		x86 Options
	msoft-quad-float :		SPARC Options
	msoft-stack :		Nvidia PTX Options
	msp8 :		AVR Options
	mspace :		V850 Options
	mspe :		RS/6000 and PowerPC Options
	mspecld-anomaly :		Blackfin Options
	mspfp :		ARC Options
	mspfp-compact :		ARC Options
	mspfp-fast :		ARC Options
	mspfp_compact :		ARC Options
	mspfp_fast :		ARC Options
	msplit-addresses :		MIPS Options
	msplit-vecmove-early :		Adapteva Epiphany Options
	msse :		x86 Options
	msse2 :		x86 Options
	msse2avx :		x86 Options
	msse3 :		x86 Options
	msse4 :		x86 Options
	msse4.1 :		x86 Options
	msse4.2 :		x86 Options
	msse4a :		x86 Options
	msseregparm :		x86 Options
	mssse3 :		x86 Options
	mstack-align :		CRIS Options
	mstack-bias :		SPARC Options
	mstack-check-l1 :		Blackfin Options
	mstack-guard :		S/390 and zSeries Options
	mstack-increment :		MCore Options
	mstack-offset :		Adapteva Epiphany Options
	mstack-protector-guard :		RS/6000 and PowerPC Options
	mstack-protector-guard-offset :		RS/6000 and PowerPC Options
	mstack-protector-guard-reg :		RS/6000 and PowerPC Options
	mstack-protector-guard=guard :		x86 Options
	mstack-size :		S/390 and zSeries Options
	mstackrealign :		x86 Options
	mstd-struct-return :		SPARC Options
	mstdmain :		SPU Options
	mstrict-align :		AArch64 Options
	mstrict-align :		M680x0 Options
	mstrict-align :		RISC-V Options
	mstrict-align :		RS/6000 and PowerPC Options
	mstrict-X :		AVR Options
	mstring :		RS/6000 and PowerPC Options
	mstringop-strategy=alg :		x86 Options
	mstructure-size-boundary :		ARM Options
	msubxc :		SPARC Options
	msv-mode :		Visium Options
	msvr4-struct-return :		RS/6000 and PowerPC Options
	mswap :		ARC Options
	mswape :		ARC Options
	msym32 :		MIPS Options
	msynci :		MIPS Options
	msys-crt0 :		Nios II Options
	msys-lib :		Nios II Options
	MT :		Preprocessor Options
	mtarget-align :		Xtensa Options
	mtas :		SH Options
	mtbm :		x86 Options
	mtda :		V850 Options
	mtelephony :		ARC Options
	mtext-section-literals :		Xtensa Options
	mtf :		MeP Options
	mthread :		x86 Windows Options
	mthreads :		x86 Options
	mthumb :		ARM Options
	mthumb-interwork :		ARM Options
	mtiny-stack :		AVR Options
	mtiny= :		MeP Options
	mTLS :		FRV Options
	mtls :		FRV Options
	mtls-dialect :		ARM Options
	mtls-dialect :		x86 Options
	mtls-dialect=desc :		AArch64 Options
	mtls-dialect=traditional :		AArch64 Options
	mtls-direct-seg-refs :		x86 Options
	mtls-markers :		RS/6000 and PowerPC Options
	mtls-size :		AArch64 Options
	mtls-size :		IA-64 Options
	mtoc :		RS/6000 and PowerPC Options
	mtomcat-stats :		FRV Options
	mtoplevel-symbols :		MMIX Options
	mtp :		ARM Options
	mtp-regno :		ARC Options
	mtpcs-frame :		ARM Options
	mtpcs-leaf-frame :		ARM Options
	mtpf-trace :		S/390 and zSeries Options
	mtrap-precision :		DEC Alpha Options
	mtune :		AArch64 Options
	mtune :		ARC Options
	mtune :		ARC Options
	mtune :		ARM Options
	mtune :		CRIS Options
	mtune :		DEC Alpha Options
	mtune :		IA-64 Options
	mtune :		M680x0 Options
	mtune :		MIPS Options
	mtune :		MN10300 Options
	mtune :		RISC-V Options
	mtune :		RS/6000 and PowerPC Options
	mtune :		S/390 and zSeries Options
	mtune :		SPARC Options
	mtune :		Visium Options
	mtune :		x86 Options
	mtune-ctrl=feature-list :		x86 Options
	muclibc :		GNU/Linux Options
	muls :		Score Options
	multcost :		ARC Options
	multcost=number :		SH Options
	multilib-library-pic :		FRV Options
	multiply-enabled :		LM32 Options
	multiply_defined :		Darwin Options
	multiply_defined_unused :		Darwin Options
	multi_module :		Darwin Options
	munalign-prob-threshold :		ARC Options
	munaligned-access :		ARM Options
	munaligned-doubles :		SPARC Options
	municode :		x86 Windows Options
	muniform-simt :		Nvidia PTX Options
	muninit-const-in-rodata :		MIPS Options
	munix :		VAX Options
	munix-asm :		PDP-11 Options
	munsafe-dma :		SPU Options
	mupdate :		RS/6000 and PowerPC Options
	mupper-regs :		RS/6000 and PowerPC Options
	mupper-regs-df :		RS/6000 and PowerPC Options
	mupper-regs-di :		RS/6000 and PowerPC Options
	mupper-regs-sf :		RS/6000 and PowerPC Options
	muser-enabled :		LM32 Options
	muser-mode :		SPARC Options
	muser-mode :		Visium Options
	musermode :		SH Options
	mv3push :		NDS32 Options
	mv850 :		V850 Options
	mv850e :		V850 Options
	mv850e1 :		V850 Options
	mv850e2 :		V850 Options
	mv850e2v3 :		V850 Options
	mv850e2v4 :		V850 Options
	mv850e3v5 :		V850 Options
	mv850es :		V850 Options
	mv8plus :		SPARC Options
	mveclibabi :		RS/6000 and PowerPC Options
	mveclibabi :		x86 Options
	mvect8-ret-in-mem :		x86 Options
	mvirt :		MIPS Options
	mvis :		SPARC Options
	mvis2 :		SPARC Options
	mvis3 :		SPARC Options
	mvis4 :		SPARC Options
	mvis4b :		SPARC Options
	mvliw-branch :		FRV Options
	mvms-return-codes :		VMS Options
	mvolatile-asm-stop :		IA-64 Options
	mvolatile-cache :		ARC Options
	mvr4130-align :		MIPS Options
	mvrsave :		RS/6000 and PowerPC Options
	mvsx :		RS/6000 and PowerPC Options
	mvx :		S/390 and zSeries Options
	mvxworks :		RS/6000 and PowerPC Options
	mvzeroupper :		x86 Options
	mwarn-cell-microcode :		RS/6000 and PowerPC Options
	mwarn-dynamicstack :		S/390 and zSeries Options
	mwarn-framesize :		S/390 and zSeries Options
	mwarn-mcu :		MSP430 Options
	mwarn-multiple-fast-interrupts :		RX Options
	mwarn-reloc :		SPU Options
	mwide-bitfields :		MCore Options
	mwin32 :		x86 Windows Options
	mwindows :		x86 Windows Options
	mword-relocations :		ARM Options
	mx32 :		x86 Options
	mxgot :		M680x0 Options
	mxgot :		MIPS Options
	mxilinx-fpu :		RS/6000 and PowerPC Options
	mxl-barrel-shift :		MicroBlaze Options
	mxl-compat :		RS/6000 and PowerPC Options
	mxl-float-convert :		MicroBlaze Options
	mxl-float-sqrt :		MicroBlaze Options
	mxl-gp-opt :		MicroBlaze Options
	mxl-multiply-high :		MicroBlaze Options
	mxl-pattern-compare :		MicroBlaze Options
	mxl-reorder :		MicroBlaze Options
	mxl-soft-div :		MicroBlaze Options
	mxl-soft-mul :		MicroBlaze Options
	mxl-stack-check :		MicroBlaze Options
	mxop :		x86 Options
	mxpa :		MIPS Options
	mxsave :		x86 Options
	mxsavec :		x86 Options
	mxsaveopt :		x86 Options
	mxsaves :		x86 Options
	mxy :		ARC Options
	myellowknife :		RS/6000 and PowerPC Options
	mzarch :		S/390 and zSeries Options
	mzda :		V850 Options
	mzdcbranch :		SH Options
	mzero-extend :		MMIX Options
	mzvector :		S/390 and zSeries Options
N
	no-80387 :		x86 Options
	no-canonical-prefixes :		Directory Options
	no-integrated-cpp :		Preprocessor Options
	no-pie :		Link Options
	no-sysroot-suffix :		Directory Options
	noall_load :		Darwin Options
	nocpp :		MIPS Options
	nodefaultlibs :		Link Options
	nodevicelib :		AVR Options
	nofixprebinding :		Darwin Options
	nofpu :		RX Options
	nolibdld :		HPPA Options
	nomultidefs :		Darwin Options
	non-static :		VxWorks Options
	noprebind :		Darwin Options
	noseglinkedit :		Darwin Options
	nostartfiles :		Link Options
	nostdinc :		Directory Options
	nostdinc++ :		C++ Dialect Options
	nostdinc++ :		Directory Options
	nostdlib :		Link Options
	no_dead_strip_inits_and_terms :		Darwin Options
O
	o :		Overall Options
	O :		Optimize Options
	O0 :		Optimize Options
	O1 :		Optimize Options
	O2 :		Optimize Options
	O3 :		Optimize Options
	Ofast :		Optimize Options
	Og :		Optimize Options
	Os :		Optimize Options
P
	p :		Instrumentation Options
	P :		Preprocessor Options
	pagezero_size :		Darwin Options
	param :		Optimize Options
	pass-exit-codes :		Overall Options
	pedantic :		Standards
	pedantic :		Warning Options
	pedantic :		C Extensions
	pedantic :		Alternate Keywords
	pedantic :		Warnings and Errors
	pedantic-errors :		Standards
	pedantic-errors :		Warning Options
	pedantic-errors :		Non-bugs
	pedantic-errors :		Warnings and Errors
	pg :		Instrumentation Options
	pie :		Link Options
	pipe :		Overall Options
	plt :		RISC-V Options
	prebind :		Darwin Options
	prebind_all_twolevel_modules :		Darwin Options
	print-file-name :		Developer Options
	print-libgcc-file-name :		Developer Options
	print-multi-directory :		Developer Options
	print-multi-lib :		Developer Options
	print-multi-os-directory :		Developer Options
	print-multiarch :		Developer Options
	print-objc-runtime-info :		Objective-C and Objective-C++ Dialect Options
	print-prog-name :		Developer Options
	print-search-dirs :		Developer Options
	print-sysroot :		Developer Options
	print-sysroot-headers-suffix :		Developer Options
	private_bundle :		Darwin Options
	pthread :		Preprocessor Options
	pthread :		Link Options
	pthreads :		Solaris 2 Options
Q
	Q :		Developer Options
	Qn :		System V Options
	Qy :		System V Options
R
	rdynamic :		Link Options
	read_only_relocs :		Darwin Options
	remap :		Preprocessor Options
S
	S :		Overall Options
	S :		Link Options
	s :		Link Options
	save-temps :		Developer Options
	save-temps=obj :		Developer Options
	sectalign :		Darwin Options
	sectcreate :		Darwin Options
	sectobjectsymbols :		Darwin Options
	sectobjectsymbols :		Darwin Options
	sectorder :		Darwin Options
	seg1addr :		Darwin Options
	segaddr :		Darwin Options
	seglinkedit :		Darwin Options
	segprot :		Darwin Options
	segs_read_only_addr :		Darwin Options
	segs_read_only_addr :		Darwin Options
	segs_read_write_addr :		Darwin Options
	segs_read_write_addr :		Darwin Options
	seg_addr_table :		Darwin Options
	seg_addr_table_filename :		Darwin Options
	shared :		Link Options
	shared-libgcc :		Link Options
	short-calls :		Adapteva Epiphany Options
	sim :		CRIS Options
	sim2 :		CRIS Options
	single_module :		Darwin Options
	specs :		Overall Options
	static :		Link Options
	static :		Darwin Options
	static :		HPPA Options
	static-libasan :		Link Options
	static-libgcc :		Link Options
	static-liblsan :		Link Options
	static-libmpx :		Link Options
	static-libmpxwrappers :		Link Options
	static-libstdc++ :		Link Options
	static-libtsan :		Link Options
	static-libubsan :		Link Options
	std :		Standards
	std :		C Dialect Options
	std :		Other Builtins
	std :		Non-bugs
	sub_library :		Darwin Options
	sub_umbrella :		Darwin Options
	symbolic :		Link Options
	sysroot :		Directory Options
T
	T :		Link Options
	target-help :		Overall Options
	threads :		HPPA Options
	time :		Developer Options
	tno-android-cc :		GNU/Linux Options
	tno-android-ld :		GNU/Linux Options
	traditional :		Preprocessor Options
	traditional :		Incompatibilities
	traditional-cpp :		Preprocessor Options
	trigraphs :		Preprocessor Options
	twolevel_namespace :		Darwin Options
U
	U :		Preprocessor Options
	u :		Link Options
	umbrella :		Darwin Options
	undef :		Preprocessor Options
	undefined :		Darwin Options
	unexported_symbols_list :		Darwin Options
V
	v :		Overall Options
	version :		Overall Options
W
	w :		Warning Options
	W :		Warning Options
	W :		Warning Options
	W :		Warning Options
	W :		Incompatibilities
	Wa :		Assembler Options
	Wabi :		C++ Dialect Options
	Wabi-tag :		C++ Dialect Options
	Waddr-space-convert :		AVR Options
	Waddress :		Warning Options
	Waggregate-return :		Warning Options
	Waggressive-loop-optimizations :		Warning Options
	Waligned-new :		Warning Options
	Wall :		Warning Options
	Wall :		Standard Libraries
	Walloc-zero :		Warning Options
	Walloca :		Warning Options
	Warray-bounds :		Warning Options
	Wassign-intercept :		Objective-C and Objective-C++ Dialect Options
	Wattributes :		Warning Options
	Wbad-function-cast :		Warning Options
	Wbool-compare :		Warning Options
	Wbool-operation :		Warning Options
	Wbuiltin-declaration-mismatch :		Warning Options
	Wbuiltin-macro-redefined :		Warning Options
	Wc++-compat :		Warning Options
	Wc++11-compat :		Warning Options
	Wc++14-compat :		Warning Options
	Wc++1z-compat :		Warning Options
	Wc90-c99-compat :		Warning Options
	Wc99-c11-compat :		Warning Options
	Wcast-align :		Warning Options
	Wcast-qual :		Warning Options
	Wchar-subscripts :		Warning Options
	Wchkp :		Warning Options
	Wclobbered :		Warning Options
	Wcomment :		Warning Options
	Wcomments :		Warning Options
	Wconditionally-supported :		Warning Options
	Wconversion :		Warning Options
	Wconversion-null :		Warning Options
	Wctor-dtor-privacy :		C++ Dialect Options
	Wdangling-else :		Warning Options
	Wdate-time :		Warning Options
	Wdeclaration-after-statement :		Warning Options
	Wdelete-incomplete :		Warning Options
	Wdelete-non-virtual-dtor :		C++ Dialect Options
	Wdeprecated :		Warning Options
	Wdeprecated-declarations :		Warning Options
	Wdisabled-optimization :		Warning Options
	Wdiscarded-array-qualifiers :		Warning Options
	Wdiscarded-qualifiers :		Warning Options
	Wdiv-by-zero :		Warning Options
	Wdouble-promotion :		Warning Options
	Wduplicate-decl-specifier :		Warning Options
	Wduplicated-branches :		Warning Options
	Wduplicated-cond :		Warning Options
	weak_reference_mismatches :		Darwin Options
	Weffc++ :		C++ Dialect Options
	Wempty-body :		Warning Options
	Wendif-labels :		Warning Options
	Wenum-compare :		Warning Options
	Werror :		Warning Options
	Werror= :		Warning Options
	Wexpansion-to-defined :		Warning Options
	Wextra :		Warning Options
	Wextra :		Warning Options
	Wextra :		Warning Options
	Wfatal-errors :		Warning Options
	Wfloat-conversion :		Warning Options
	Wfloat-equal :		Warning Options
	Wformat :		Warning Options
	Wformat :		Warning Options
	Wformat :		Warning Options
	Wformat :		Common Function Attributes
	Wformat-contains-nul :		Warning Options
	Wformat-extra-args :		Warning Options
	Wformat-nonliteral :		Warning Options
	Wformat-nonliteral :		Common Function Attributes
	Wformat-overflow :		Warning Options
	Wformat-overflow :		Warning Options
	Wformat-security :		Warning Options
	Wformat-signedness :		Warning Options
	Wformat-truncation :		Warning Options
	Wformat-truncation :		Warning Options
	Wformat-y2k :		Warning Options
	Wformat-zero-length :		Warning Options
	Wformat= :		Warning Options
	Wformat=1 :		Warning Options
	Wformat=2 :		Warning Options
	Wframe-address :		Warning Options
	Wframe-larger-than :		Warning Options
	Wfree-nonheap-object :		Warning Options
	whatsloaded :		Darwin Options
	whyload :		Darwin Options
	Wignored-attributes :		Warning Options
	Wignored-qualifiers :		Warning Options
	Wimplicit :		Warning Options
	Wimplicit-fallthrough :		Warning Options
	Wimplicit-fallthrough= :		Warning Options
	Wimplicit-function-declaration :		Warning Options
	Wimplicit-int :		Warning Options
	Wincompatible-pointer-types :		Warning Options
	Winherited-variadic-ctor :		Warning Options
	Winit-self :		Warning Options
	Winline :		Warning Options
	Winline :		Inline
	Wint-conversion :		Warning Options
	Wint-in-bool-context :		Warning Options
	Wint-to-pointer-cast :		Warning Options
	Winvalid-memory-model :		Warning Options
	Winvalid-offsetof :		Warning Options
	Winvalid-pch :		Warning Options
	Wjump-misses-init :		Warning Options
	Wl :		Link Options
	Wlarger-than-len :		Warning Options
	Wlarger-than=len :		Warning Options
	Wliteral-suffix :		C++ Dialect Options
	Wlogical-not-parentheses :		Warning Options
	Wlogical-op :		Warning Options
	Wlong-long :		Warning Options
	Wlto-type-mismatch :		C++ Dialect Options
	Wmain :		Warning Options
	Wmaybe-uninitialized :		Warning Options
	Wmemset-elt-size :		Warning Options
	Wmemset-transposed-args :		Warning Options
	Wmisleading-indentation :		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-parameter-type :		Warning Options
	Wmissing-prototypes :		Warning Options
	Wmisspelled-isr :		AVR Options
	Wmultichar :		Warning Options
	Wmultiple-inheritance :		C++ Dialect Options
	Wnamespaces :		C++ Dialect Options
	Wnarrowing :		C++ Dialect Options
	Wnested-externs :		Warning Options
	Wno-abi :		C++ Dialect Options
	Wno-address :		Warning Options
	Wno-aggregate-return :		Warning Options
	Wno-aggressive-loop-optimizations :		Warning Options
	Wno-aligned-new :		Warning Options
	Wno-all :		Warning Options
	Wno-alloc-zero :		Warning Options
	Wno-alloca :		Warning Options
	Wno-array-bounds :		Warning Options
	Wno-assign-intercept :		Objective-C and Objective-C++ Dialect Options
	Wno-attributes :		Warning Options
	Wno-bad-function-cast :		Warning Options
	Wno-bool-compare :		Warning Options
	Wno-bool-operation :		Warning Options
	Wno-builtin-declaration-mismatch :		Warning Options
	Wno-builtin-macro-redefined :		Warning Options
	Wno-c90-c99-compat :		Warning Options
	Wno-c99-c11-compat :		Warning Options
	Wno-cast-align :		Warning Options
	Wno-cast-qual :		Warning Options
	Wno-char-subscripts :		Warning Options
	Wno-clobbered :		Warning Options
	Wno-conditionally-supported :		Warning Options
	Wno-conversion :		Warning Options
	Wno-conversion-null :		Warning Options
	Wno-coverage-mismatch :		Warning Options
	Wno-ctor-dtor-privacy :		C++ Dialect Options
	Wno-dangling-else :		Warning Options
	Wno-date-time :		Warning Options
	Wno-declaration-after-statement :		Warning Options
	Wno-delete-incomplete :		Warning Options
	Wno-delete-non-virtual-dtor :		C++ Dialect Options
	Wno-deprecated :		Warning Options
	Wno-deprecated-declarations :		Warning Options
	Wno-disabled-optimization :		Warning Options
	Wno-discarded-array-qualifiers :		Warning Options
	Wno-discarded-qualifiers :		Warning Options
	Wno-div-by-zero :		Warning Options
	Wno-double-promotion :		Warning Options
	Wno-duplicate-decl-specifier :		Warning Options
	Wno-duplicated-branches :		Warning Options
	Wno-duplicated-cond :		Warning Options
	Wno-effc++ :		C++ Dialect Options
	Wno-empty-body :		Warning Options
	Wno-endif-labels :		Warning Options
	Wno-enum-compare :		Warning Options
	Wno-error :		Warning Options
	Wno-error= :		Warning Options
	Wno-extra :		Warning Options
	Wno-extra :		Warning Options
	Wno-extra :		Warning Options
	Wno-fatal-errors :		Warning Options
	Wno-float-conversion :		Warning Options
	Wno-float-equal :		Warning Options
	Wno-format :		Warning Options
	Wno-format :		Warning Options
	Wno-format-contains-nul :		Warning Options
	Wno-format-extra-args :		Warning Options
	Wno-format-nonliteral :		Warning Options
	Wno-format-overflow :		Warning Options
	Wno-format-overflow :		Warning Options
	Wno-format-overflow :		Warning Options
	Wno-format-security :		Warning Options
	Wno-format-signedness :		Warning Options
	Wno-format-truncation :		Warning Options
	Wno-format-y2k :		Warning Options
	Wno-format-zero-length :		Warning Options
	Wno-frame-address :		Warning Options
	Wno-free-nonheap-object :		Warning Options
	Wno-ignored-attributes :		Warning Options
	Wno-ignored-qualifiers :		Warning Options
	Wno-implicit :		Warning Options
	Wno-implicit-fallthrough :		Warning Options
	Wno-implicit-function-declaration :		Warning Options
	Wno-implicit-int :		Warning Options
	Wno-incompatible-pointer-types :		Warning Options
	Wno-inherited-variadic-ctor :		Warning Options
	Wno-init-self :		Warning Options
	Wno-inline :		Warning Options
	Wno-int-conversion :		Warning Options
	Wno-int-in-bool-context :		Warning Options
	Wno-int-to-pointer-cast :		Warning Options
	Wno-invalid-memory-model :		Warning Options
	Wno-invalid-offsetof :		Warning Options
	Wno-invalid-pch :		Warning Options
	Wno-jump-misses-init :		Warning Options
	Wno-literal-suffix :		C++ Dialect Options
	Wno-logical-not-parentheses :		Warning Options
	Wno-logical-op :		Warning Options
	Wno-long-long :		Warning Options
	Wno-lto-type-mismatch :		C++ Dialect Options
	Wno-main :		Warning Options
	Wno-maybe-uninitialized :		Warning Options
	Wno-memset-elt-size :		Warning Options
	Wno-memset-transposed-args :		Warning Options
	Wno-misleading-indentation :		Warning Options
	Wno-missing-braces :		Warning Options
	Wno-missing-declarations :		Warning Options
	Wno-missing-field-initializers :		Warning Options
	Wno-missing-format-attribute :		Warning Options
	Wno-missing-include-dirs :		Warning Options
	Wno-missing-parameter-type :		Warning Options
	Wno-missing-prototypes :		Warning Options
	Wno-multichar :		Warning Options
	Wno-narrowing :		C++ Dialect Options
	Wno-nested-externs :		Warning Options
	Wno-noexcept :		C++ Dialect Options
	Wno-noexcept-type :		C++ Dialect Options
	Wno-non-template-friend :		C++ Dialect Options
	Wno-non-virtual-dtor :		C++ Dialect Options
	Wno-nonnull :		Warning Options
	Wno-nonnull-compare :		Warning Options
	Wno-normalized :		Warning Options
	Wno-null-dereference :		Warning Options
	Wno-odr :		Warning Options
	Wno-old-style-cast :		C++ Dialect Options
	Wno-old-style-declaration :		Warning Options
	Wno-old-style-definition :		Warning Options
	Wno-overflow :		Warning Options
	Wno-overlength-strings :		Warning Options
	Wno-overloaded-virtual :		C++ Dialect Options
	Wno-override-init :		Warning Options
	Wno-override-init-side-effects :		Warning Options
	Wno-packed :		Warning Options
	Wno-packed-bitfield-compat :		Warning Options
	Wno-padded :		Warning Options
	Wno-parentheses :		Warning Options
	Wno-pedantic-ms-format :		Warning Options
	Wno-placement-new :		Warning Options
	Wno-pmf-conversions :		C++ Dialect Options
	Wno-pmf-conversions :		Bound member functions
	Wno-pointer-arith :		Warning Options
	Wno-pointer-compare :		Warning Options
	Wno-pointer-sign :		Warning Options
	Wno-pointer-to-int-cast :		Warning Options
	Wno-pragmas :		Warning Options
	Wno-protocol :		Objective-C and Objective-C++ Dialect Options
	Wno-redundant-decls :		Warning Options
	Wno-register :		C++ Dialect Options
	Wno-reorder :		C++ Dialect Options
	Wno-restrict :		Warning Options
	Wno-return-local-addr :		Warning Options
	Wno-return-type :		Warning Options
	Wno-selector :		Objective-C and Objective-C++ Dialect Options
	Wno-sequence-point :		Warning Options
	Wno-shadow :		Warning Options
	Wno-shadow-ivar :		Warning Options
	Wno-shift-count-negative :		Warning Options
	Wno-shift-count-overflow :		Warning Options
	Wno-shift-negative-value :		Warning Options
	Wno-shift-overflow :		Warning Options
	Wno-sign-compare :		Warning Options
	Wno-sign-conversion :		Warning Options
	Wno-sign-promo :		C++ Dialect Options
	Wno-sized-deallocation :		Warning Options
	Wno-sizeof-array-argument :		Warning Options
	Wno-sizeof-pointer-memaccess :		Warning Options
	Wno-stack-protector :		Warning Options
	Wno-strict-aliasing :		Warning Options
	Wno-strict-null-sentinel :		C++ Dialect Options
	Wno-strict-overflow :		Warning Options
	Wno-strict-prototypes :		Warning Options
	Wno-strict-selector-match :		Objective-C and Objective-C++ Dialect Options
	Wno-stringop-overflow :		Warning Options
	Wno-stringop-overflow :		Warning Options
	Wno-subobject-linkage :		Warning Options
	Wno-suggest-attribute= :		Warning Options
	Wno-suggest-attribute=const :		Warning Options
	Wno-suggest-attribute=format :		Warning Options
	Wno-suggest-attribute=noreturn :		Warning Options
	Wno-suggest-attribute=pure :		Warning Options
	Wno-suggest-final-methods :		Warning Options
	Wno-suggest-final-types :		Warning Options
	Wno-switch :		Warning Options
	Wno-switch-bool :		Warning Options
	Wno-switch-default :		Warning Options
	Wno-switch-enum :		Warning Options
	Wno-switch-unreachable :		Warning Options
	Wno-sync-nand :		Warning Options
	Wno-system-headers :		Warning Options
	Wno-tautological-compare :		Warning Options
	Wno-terminate :		C++ Dialect Options
	Wno-traditional :		Warning Options
	Wno-traditional-conversion :		Warning Options
	Wno-trampolines :		Warning Options
	Wno-type-limits :		Warning Options
	Wno-undeclared-selector :		Objective-C and Objective-C++ Dialect Options
	Wno-undef :		Warning Options
	Wno-uninitialized :		Warning Options
	Wno-unknown-pragmas :		Warning Options
	Wno-unsafe-loop-optimizations :		Warning Options
	Wno-unused :		Warning Options
	Wno-unused-but-set-parameter :		Warning Options
	Wno-unused-but-set-variable :		Warning Options
	Wno-unused-const-variable :		Warning Options
	Wno-unused-function :		Warning Options
	Wno-unused-label :		Warning Options
	Wno-unused-parameter :		Warning Options
	Wno-unused-result :		Warning Options
	Wno-unused-value :		Warning Options
	Wno-unused-variable :		Warning Options
	Wno-useless-cast :		Warning Options
	Wno-varargs :		Warning Options
	Wno-variadic-macros :		Warning Options
	Wno-vector-operation-performance :		Warning Options
	Wno-virtual-move-assign :		Warning Options
	Wno-vla :		Warning Options
	Wno-volatile-register-var :		Warning Options
	Wno-write-strings :		Warning Options
	Wno-zero-as-null-pointer-constant :		Warning Options
	Wnoexcept :		C++ Dialect Options
	Wnoexcept-type :		C++ Dialect Options
	Wnon-template-friend :		C++ Dialect Options
	Wnon-virtual-dtor :		C++ Dialect Options
	Wnonnull :		Warning Options
	Wnonnull-compare :		Warning Options
	Wnormalized :		Warning Options
	Wnormalized= :		Warning Options
	Wnull-dereference :		Warning Options
	Wodr :		Warning Options
	Wold-style-cast :		C++ Dialect Options
	Wold-style-declaration :		Warning Options
	Wold-style-definition :		Warning Options
	Wopenm-simd :		Warning Options
	Woverflow :		Warning Options
	Woverlength-strings :		Warning Options
	Woverloaded-virtual :		C++ Dialect Options
	Woverride-init :		Warning Options
	Woverride-init-side-effects :		Warning Options
	Wp :		Preprocessor Options
	Wpacked :		Warning Options
	Wpacked-bitfield-compat :		Warning Options
	Wpadded :		Warning Options
	Wparentheses :		Warning Options
	Wpedantic :		Warning Options
	Wpedantic-ms-format :		Warning Options
	Wplacement-new :		Warning Options
	Wpmf-conversions :		C++ Dialect Options
	Wpointer-arith :		Warning Options
	Wpointer-arith :		Pointer Arith
	Wpointer-compare :		Warning Options
	Wpointer-sign :		Warning Options
	Wpointer-to-int-cast :		Warning Options
	Wpragmas :		Warning Options
	Wprotocol :		Objective-C and Objective-C++ Dialect Options
	wrapper :		Overall Options
	Wredundant-decls :		Warning Options
	Wregister :		C++ Dialect Options
	Wreorder :		C++ Dialect Options
	Wrestrict :		Warning Options
	Wreturn-local-addr :		Warning Options
	Wreturn-type :		Warning Options
	Wselector :		Objective-C and Objective-C++ Dialect Options
	Wsequence-point :		Warning Options
	Wshadow :		Warning Options
	Wshadow-ivar :		Warning Options
	Wshadow=compatible-local :		Warning Options
	Wshadow=local :		Warning Options
	Wshadow=local :		Warning Options
	Wshift-count-negative :		Warning Options
	Wshift-count-overflow :		Warning Options
	Wshift-negative-value :		Warning Options
	Wshift-overflow :		Warning Options
	Wsign-compare :		Warning Options
	Wsign-conversion :		Warning Options
	Wsign-promo :		C++ Dialect Options
	Wsized-deallocation :		Warning Options
	Wsizeof-array-argument :		Warning Options
	Wsizeof-pointer-memaccess :		Warning Options
	Wstack-protector :		Warning Options
	Wstack-usage :		Warning Options
	Wstrict-aliasing :		Warning Options
	Wstrict-aliasing=n :		Warning Options
	Wstrict-null-sentinel :		C++ Dialect Options
	Wstrict-overflow :		Warning Options
	Wstrict-prototypes :		Warning Options
	Wstrict-selector-match :		Objective-C and Objective-C++ Dialect Options
	Wstringop-overflow :		Warning Options
	Wstringop-overflow :		Warning Options
	Wsubobject-linkage :		Warning Options
	Wsuggest-attribute= :		Warning Options
	Wsuggest-attribute=const :		Warning Options
	Wsuggest-attribute=format :		Warning Options
	Wsuggest-attribute=noreturn :		Warning Options
	Wsuggest-attribute=pure :		Warning Options
	Wsuggest-final-methods :		Warning Options
	Wsuggest-final-types :		Warning Options
	Wswitch :		Warning Options
	Wswitch-bool :		Warning Options
	Wswitch-default :		Warning Options
	Wswitch-enum :		Warning Options
	Wswitch-unreachable :		Warning Options
	Wsync-nand :		Warning Options
	Wsystem-headers :		Warning Options
	Wtautological-compare :		Warning Options
	Wtemplates :		C++ Dialect Options
	Wterminate :		C++ Dialect Options
	Wtraditional :		Warning Options
	Wtraditional-conversion :		Warning Options
	Wtrampolines :		Warning Options
	Wtrigraphs :		Warning Options
	Wtype-limits :		Warning Options
	Wundeclared-selector :		Objective-C and Objective-C++ Dialect Options
	Wundef :		Warning Options
	Wuninitialized :		Warning Options
	Wunknown-pragmas :		Warning Options
	Wunsafe-loop-optimizations :		Warning Options
	Wunsuffixed-float-constants :		Warning Options
	Wunused :		Warning Options
	Wunused-but-set-parameter :		Warning Options
	Wunused-but-set-variable :		Warning Options
	Wunused-const-variable :		Warning Options
	Wunused-function :		Warning Options
	Wunused-label :		Warning Options
	Wunused-local-typedefs :		Warning Options
	Wunused-macros :		Warning Options
	Wunused-parameter :		Warning Options
	Wunused-result :		Warning Options
	Wunused-value :		Warning Options
	Wunused-variable :		Warning Options
	Wuseless-cast :		Warning Options
	Wvarargs :		Warning Options
	Wvariadic-macros :		Warning Options
	Wvector-operation-performance :		Warning Options
	Wvirtual-inheritance :		C++ Dialect Options
	Wvirtual-move-assign :		Warning Options
	Wvla :		Warning Options
	Wvolatile-register-var :		Warning Options
	Wwrite-strings :		Warning Options
	Wzero-as-null-pointer-constant :		Warning Options
X
	x :		Overall Options
	Xassembler :		Assembler Options
	Xbind-lazy :		VxWorks Options
	Xbind-now :		VxWorks Options
	Xlinker :		Link Options
	Xpreprocessor :		Preprocessor Options
Y
	Ym :		System V Options
	YP :		System V Options
Z
	z :		Link Options

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