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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A B C D E F G H I K L M N O P Q R S T U V W X Y

	Index Entry	Section

#
	`###`	3.2 Options Controlling the Kind of Output

-
	`-mf930`	3.17.4 SPARC Options
	`-mf934`	3.17.4 SPARC Options

A
	`A`	3.11 Options Controlling the Preprocessor
	`all_load`	3.17.9 Darwin Options
	`allowable_client`	3.17.9 Darwin Options
	`ansi`	2. Language Standards Supported by GCC
	`ansi`	3.4 Options Controlling C Dialect
	`ansi`	3.11 Options Controlling the Preprocessor
	`ansi`	5.44 Other built-in functions provided by GCC
	`ansi`	10.11 Certain Changes We Don't Want to Make
	`arch_errors_fatal`	3.17.9 Darwin Options
	`arch_only`	3.17.9 Darwin Options
	`aux-info`	3.4 Options Controlling C Dialect

B
	`b`	3.16 Specifying Target Machine and Compiler Version
	`B`	3.14 Options for Directory Search
	`bcopy-builtin`	3.17.30 PDP-11 Options
	`bind_at_load`	3.17.9 Darwin Options
	`bundle`	3.17.9 Darwin Options
	`bundle_loader`	3.17.9 Darwin Options

C
	`c`	3.2 Options Controlling the Kind of Output
	`C`	3.11 Options Controlling the Preprocessor
	`c`	3.13 Options for Linking
	`client_name`	3.17.9 Darwin Options
	`compatibility_version`	3.17.9 Darwin Options
	`crossjumping`	3.10 Options That Control Optimization
	`current_version`	3.17.9 Darwin Options

D
	`D`	3.11 Options Controlling the Preprocessor
	`d`	3.9 Options for Debugging Your Program or GCC
	`da`	3.9 Options for Debugging Your Program or GCC
	`dA`	3.9 Options for Debugging Your Program or GCC
	`db`	3.9 Options for Debugging Your Program or GCC
	`dB`	3.9 Options for Debugging Your Program or GCC
	`dC`	3.9 Options for Debugging Your Program or GCC
	`dc`	3.9 Options for Debugging Your Program or GCC
	`dD`	3.9 Options for Debugging Your Program or GCC
	`dd`	3.9 Options for Debugging Your Program or GCC
	`dD`	3.11 Options Controlling the Preprocessor
	`dE`	3.9 Options for Debugging Your Program or GCC
	`dependency-file`	3.17.9 Darwin Options
	`dF`	3.9 Options for Debugging Your Program or GCC
	`df`	3.9 Options for Debugging Your Program or GCC
	`dg`	3.9 Options for Debugging Your Program or GCC
	`dG`	3.9 Options for Debugging Your Program or GCC
	`dH`	3.9 Options for Debugging Your Program or GCC
	`dh`	3.9 Options for Debugging Your Program or GCC
	`dI`	3.11 Options Controlling the Preprocessor
	`di`	3.9 Options for Debugging Your Program or GCC
	`dj`	3.9 Options for Debugging Your Program or GCC
	`dk`	3.9 Options for Debugging Your Program or GCC
	`dl`	3.9 Options for Debugging Your Program or GCC
	`dL`	3.9 Options for Debugging Your Program or GCC
	`dM`	3.9 Options for Debugging Your Program or GCC
	`dm`	3.9 Options for Debugging Your Program or GCC
	`dM`	3.11 Options Controlling the Preprocessor
	`dN`	3.9 Options for Debugging Your Program or GCC
	`dn`	3.9 Options for Debugging Your Program or GCC
	`dN`	3.11 Options Controlling the Preprocessor
	`do`	3.9 Options for Debugging Your Program or GCC
	`dp`	3.9 Options for Debugging Your Program or GCC
	`dP`	3.9 Options for Debugging Your Program or GCC
	`dR`	3.9 Options for Debugging Your Program or GCC
	`dr`	3.9 Options for Debugging Your Program or GCC
	`dS`	3.9 Options for Debugging Your Program or GCC
	`ds`	3.9 Options for Debugging Your Program or GCC
	`dT`	3.9 Options for Debugging Your Program or GCC
	`dt`	3.9 Options for Debugging Your Program or GCC
	`dU`	3.9 Options for Debugging Your Program or GCC
	`du`	3.9 Options for Debugging Your Program or GCC
	`dumpmachine`	3.9 Options for Debugging Your Program or GCC
	`dumpspecs`	3.9 Options for Debugging Your Program or GCC
	`dumpversion`	3.9 Options for Debugging Your Program or GCC
	`dv`	3.9 Options for Debugging Your Program or GCC
	`dV`	3.9 Options for Debugging Your Program or GCC
	`dw`	3.9 Options for Debugging Your Program or GCC
	`dx`	3.9 Options for Debugging Your Program or GCC
	`dy`	3.9 Options for Debugging Your Program or GCC
	`dylib_file`	3.17.9 Darwin Options
	`dylinker_install_name`	3.17.9 Darwin Options
	`dynamic`	3.17.9 Darwin Options
	`dynamiclib`	3.17.9 Darwin Options
	`dZ`	3.9 Options for Debugging Your Program or GCC
	`dz`	3.9 Options for Debugging Your Program or GCC

E
	`E`	3.2 Options Controlling the Kind of Output
	`E`	3.13 Options for Linking
	`EB`	3.17.10 MIPS Options
	`EB`	3.17.21 ARC Options
	`EL`	3.17.10 MIPS Options
	`EL`	3.17.21 ARC Options
	`exported_symbols_list`	3.17.9 Darwin Options

F
	`fabi-version`	3.5 Options Controlling C++ Dialect
	`falign-functions`	3.10 Options That Control Optimization
	`falign-jumps`	3.10 Options That Control Optimization
	`falign-labels`	3.10 Options That Control Optimization
	`falign-loops`	3.10 Options That Control Optimization
	`fargument-alias`	3.18 Options for Code Generation Conventions
	`fargument-noalias`	3.18 Options for Code Generation Conventions
	`fargument-noalias-global`	3.18 Options for Code Generation Conventions
	`fbounds-check`	3.18 Options for Code Generation Conventions
	`fbranch-probabilities`	3.10 Options That Control Optimization
	`fbranch-target-load-optimize`	3.10 Options That Control Optimization
	`fbranch-target-load-optimize2`	3.10 Options That Control Optimization
	`fcall-saved`	3.18 Options for Code Generation Conventions
	`fcall-saved`	10.3 Interoperation
	`fcall-used`	3.18 Options for Code Generation Conventions
	`fcaller-saves`	3.10 Options That Control Optimization
	`fcallgraph-info`	3.9 Options for Debugging Your Program or GCC
	`fcheck-new`	3.5 Options Controlling C++ Dialect
	`fcommon`	5.32 Specifying Attributes of Variables
	`fcond-mismatch`	3.4 Options Controlling C Dialect
	`fconserve-space`	3.5 Options Controlling C++ Dialect
	`fconstant-string-class`	3.6 Options Controlling Objective-C Dialect
	`fcse-follow-jumps`	3.10 Options That Control Optimization
	`fcse-skip-blocks`	3.10 Options That Control Optimization
	`fdata-sections`	3.10 Options That Control Optimization
	`fdelayed-branch`	3.10 Options That Control Optimization
	`fdelete-null-pointer-checks`	3.10 Options That Control Optimization
	`fdiagnostics-show-location`	3.7 Options to Control Diagnostic Messages Formatting
	`fdollars-in-identifiers`	3.11 Options Controlling the Preprocessor
	`fdollars-in-identifiers`	10.3 Interoperation
	`fdump-class-hierarchy`	3.9 Options for Debugging Your Program or GCC
	`fdump-translation-unit`	3.9 Options for Debugging Your Program or GCC
	`fdump-tree`	3.9 Options for Debugging Your Program or GCC
	`fdump-unnumbered`	3.9 Options for Debugging Your Program or GCC
	`feliminate-dwarf2-dups`	3.9 Options for Debugging Your Program or GCC
	`feliminate-unused-debug-symbols`	3.9 Options for Debugging Your Program or GCC
	`feliminate-unused-debug-types`	3.9 Options for Debugging Your Program or GCC
	`fexceptions`	3.18 Options for Code Generation Conventions
	`fexec-charset`	3.11 Options Controlling the Preprocessor
	`fexpensive-optimizations`	3.10 Options That Control Optimization
	`ffast-math`	3.10 Options That Control Optimization
	`ffinite-math-only`	3.10 Options That Control Optimization
	`ffixed`	3.18 Options for Code Generation Conventions
	`ffloat-store`	3.10 Options That Control Optimization
	`ffloat-store`	10.8 Disappointments and Misunderstandings
	`ffor-scope`	3.5 Options Controlling C++ Dialect
	`fforce-addr`	3.10 Options That Control Optimization
	`fforce-mem`	3.10 Options That Control Optimization
	`ffreestanding`	2. Language Standards Supported by GCC
	`ffreestanding`	3.4 Options Controlling C Dialect
	`ffreestanding`	5.25 Declaring Attributes of Functions
	`ffunction-sections`	3.10 Options That Control Optimization
	`fgcse`	3.10 Options That Control Optimization
	`fgcse-las`	3.10 Options That Control Optimization
	`fgcse-lm`	3.10 Options That Control Optimization
	`fgcse-sm`	3.10 Options That Control Optimization
	`fgnu-runtime`	3.6 Options Controlling Objective-C Dialect
	`fhosted`	3.4 Options Controlling C Dialect
	`filelist`	3.17.9 Darwin Options
	`finhibit-size-directive`	3.18 Options for Code Generation Conventions
	`finline-functions`	3.10 Options That Control Optimization
	`finline-limit`	3.10 Options That Control Optimization
	`finput-charset`	3.11 Options Controlling the Preprocessor
	`finstrument-functions`	3.18 Options for Code Generation Conventions
	`finstrument-functions`	5.25 Declaring Attributes of Functions
	`fkeep-inline-functions`	3.10 Options That Control Optimization
	`fkeep-inline-functions`	5.34 An Inline Function is As Fast As a Macro
	`fkeep-static-consts`	3.10 Options That Control Optimization
	`flat_namespace`	3.17.9 Darwin Options
	`fleading-underscore`	3.18 Options for Code Generation Conventions
	`floop-optimize`	3.10 Options That Control Optimization
	`fmem-report`	3.9 Options for Debugging Your Program or GCC
	`fmessage-length`	3.7 Options to Control Diagnostic Messages Formatting
	`fmove-all-movables`	3.10 Options That Control Optimization
	`fms-extensions`	3.4 Options Controlling C Dialect
	`fms-extensions`	3.5 Options Controlling C++ Dialect
	`fnew-ra`	3.10 Options That Control Optimization
	`fnew-ra`	3.10 Options That Control Optimization
	`fnext-runtime`	3.6 Options Controlling Objective-C Dialect
	`fno-access-control`	3.5 Options Controlling C++ Dialect
	`fno-asm`	3.4 Options Controlling C Dialect
	`fno-branch-count-reg`	3.10 Options That Control Optimization
	`fno-builtin`	3.4 Options Controlling C Dialect
	`fno-builtin`	5.44 Other built-in functions provided by GCC
	`fno-common`	3.18 Options for Code Generation Conventions
	`fno-common`	5.32 Specifying Attributes of Variables
	`fno-const-strings`	3.5 Options Controlling C++ Dialect
	`fno-cprop-registers`	3.10 Options That Control Optimization
	`fno-default-inline`	3.5 Options Controlling C++ Dialect
	`fno-default-inline`	3.10 Options That Control Optimization
	`fno-default-inline`	5.34 An Inline Function is As Fast As a Macro
	`fno-defer-pop`	3.10 Options That Control Optimization
	`fno-elide-constructors`	3.5 Options Controlling C++ Dialect
	`fno-enforce-eh-specs`	3.5 Options Controlling C++ Dialect
	`fno-for-scope`	3.5 Options Controlling C++ Dialect
	`fno-function-cse`	3.10 Options That Control Optimization
	`fno-gnu-keywords`	3.5 Options Controlling C++ Dialect
	`fno-guess-branch-probability`	3.10 Options That Control Optimization
	`fno-ident`	3.18 Options for Code Generation Conventions
	`fno-implement-inlines`	3.5 Options Controlling C++ Dialect
	`fno-implement-inlines`	6.5 #pragma interface and implementation
	`fno-implicit-inline-templates`	3.5 Options Controlling C++ Dialect
	`fno-implicit-templates`	3.5 Options Controlling C++ Dialect
	`fno-implicit-templates`	6.6 Where's the Template?
	`fno-inline`	3.10 Options That Control Optimization
	`fno-math-errno`	3.10 Options That Control Optimization
	`fno-nil-receivers`	3.6 Options Controlling Objective-C Dialect
	`fno-nonansi-builtins`	3.5 Options Controlling C++ Dialect
	`fno-operator-names`	3.5 Options Controlling C++ Dialect
	`fno-optional-diags`	3.5 Options Controlling C++ Dialect
	`fno-peephole`	3.10 Options That Control Optimization
	`fno-peephole2`	3.10 Options That Control Optimization
	`fno-rtti`	3.5 Options Controlling C++ Dialect
	`fno-sched-interblock`	3.10 Options That Control Optimization
	`fno-sched-spec`	3.10 Options That Control Optimization
	`fno-show-column`	3.11 Options Controlling the Preprocessor
	`fno-signed-bitfields`	3.4 Options Controlling C Dialect
	`fno-stack-limit`	3.18 Options for Code Generation Conventions
	`fno-trapping-math`	3.10 Options That Control Optimization
	`fno-unsigned-bitfields`	3.4 Options Controlling C Dialect
	`fno-weak`	3.5 Options Controlling C++ Dialect
	`fno-working-directory`	3.11 Options Controlling the Preprocessor
	`fno-zero-initialized-in-bss`	3.10 Options That Control Optimization
	`fnon-call-exceptions`	3.18 Options for Code Generation Conventions
	`fobjc-exceptions`	3.6 Options Controlling Objective-C Dialect
	`fold-unroll-all-loops`	3.10 Options That Control Optimization
	`fold-unroll-loops`	3.10 Options That Control Optimization
	`fomit-frame-pointer`	3.10 Options That Control Optimization
	`foptimize-register-move`	3.10 Options That Control Optimization
	`foptimize-sibling-calls`	3.10 Options That Control Optimization
	`force_cpusubtype_ALL`	3.17.9 Darwin Options
	`force_flat_namespace`	3.17.9 Darwin Options
	`fpack-struct`	3.18 Options for Code Generation Conventions
	`fpcc-struct-return`	3.18 Options for Code Generation Conventions
	`fpcc-struct-return`	10.5 Incompatibilities of GCC
	`fpch-deps`	3.11 Options Controlling the Preprocessor
	`fpeel-loops`	3.10 Options That Control Optimization
	`fpermissive`	3.5 Options Controlling C++ Dialect
	`fPIC`	3.18 Options for Code Generation Conventions
	`fpic`	3.18 Options for Code Generation Conventions
	`fpie`	3.18 Options for Code Generation Conventions
	`fPIE`	3.18 Options for Code Generation Conventions
	`fprefetch-loop-arrays`	3.10 Options That Control Optimization
	`fpreprocessed`	3.11 Options Controlling the Preprocessor
	`fprofile-arcs`	3.9 Options for Debugging Your Program or GCC
	`fprofile-arcs`	5.44 Other built-in functions provided by GCC
	`fprofile-generate`	3.10 Options That Control Optimization
	`fprofile-use`	3.10 Options That Control Optimization
	`fprofile-values`	3.10 Options That Control Optimization
	`frandom-string`	3.9 Options for Debugging Your Program or GCC
	`freduce-all-givs`	3.10 Options That Control Optimization
	`freg-struct-return`	3.18 Options for Code Generation Conventions
	`fregmove`	3.10 Options That Control Optimization
	`frename-registers`	3.10 Options That Control Optimization
	`freorder-blocks`	3.10 Options That Control Optimization
	`freorder-functions`	3.10 Options That Control Optimization
	`freplace-objc-classes`	3.6 Options Controlling Objective-C Dialect
	`frepo`	3.5 Options Controlling C++ Dialect
	`frepo`	6.6 Where's the Template?
	`frerun-cse-after-loop`	3.10 Options That Control Optimization
	`frerun-loop-opt`	3.10 Options That Control Optimization
	`frounding-math`	3.10 Options That Control Optimization
	`fsched-spec-load`	3.10 Options That Control Optimization
	`fsched-spec-load-dangerous`	3.10 Options That Control Optimization
	`fsched-stalled-insns`	3.10 Options That Control Optimization
	`fsched-stalled-insns-dep`	3.10 Options That Control Optimization
	`fsched-verbose`	3.9 Options for Debugging Your Program or GCC
	`fsched2-use-superblocks`	3.10 Options That Control Optimization
	`fsched2-use-traces`	3.10 Options That Control Optimization
	`fschedule-insns`	3.10 Options That Control Optimization
	`fschedule-insns2`	3.10 Options That Control Optimization
	`fshared-data`	3.18 Options for Code Generation Conventions
	`fshort-double`	3.18 Options for Code Generation Conventions
	`fshort-enums`	3.18 Options for Code Generation Conventions
	`fshort-enums`	5.33 Specifying Attributes of Types
	`fshort-enums`	10.11 Certain Changes We Don't Want to Make
	`fshort-wchar`	3.18 Options for Code Generation Conventions
	`fsignaling-nans`	3.10 Options That Control Optimization
	`fsigned-bitfields`	3.4 Options Controlling C Dialect
	`fsigned-bitfields`	10.11 Certain Changes We Don't Want to Make
	`fsigned-char`	3.4 Options Controlling C Dialect
	`fsingle-precision-constant`	3.10 Options That Control Optimization
	`fstack-check`	3.18 Options for Code Generation Conventions
	`fstack-limit-register`	3.18 Options for Code Generation Conventions
	`fstack-limit-symbol`	3.18 Options for Code Generation Conventions
	`fstack-usage`	3.9 Options for Debugging Your Program or GCC
	`fstats`	3.5 Options Controlling C++ Dialect
	`fstrength-reduce`	3.10 Options That Control Optimization
	`fstrict-aliasing`	3.10 Options That Control Optimization
	`fsyntax-only`	3.8 Options to Request or Suppress Warnings
	`ftabstop`	3.11 Options Controlling the Preprocessor
	`ftemplate-depth`	3.5 Options Controlling C++ Dialect
	`ftest-coverage`	3.9 Options for Debugging Your Program or GCC
	`fthread-jumps`	3.10 Options That Control Optimization
	`ftime-report`	3.9 Options for Debugging Your Program or GCC
	`ftracer`	3.10 Options That Control Optimization
	`ftrapv`	3.18 Options for Code Generation Conventions
	`funit-at-a-time`	3.10 Options That Control Optimization
	`funroll-all-loops`	3.10 Options That Control Optimization
	`funroll-loops`	3.10 Options That Control Optimization
	`funroll-loops`	10.11 Certain Changes We Don't Want to Make
	`funsafe-math-optimizations`	3.10 Options That Control Optimization
	`funsigned-bitfields`	3.4 Options Controlling C Dialect
	`funsigned-bitfields`	10.11 Certain Changes We Don't Want to Make
	`funsigned-char`	3.4 Options Controlling C Dialect
	`funswitch-loops`	3.10 Options That Control Optimization
	`funswitch-loops`	3.10 Options That Control Optimization
	`funswitch-loops`	3.10 Options That Control Optimization
	`funwind-tables`	3.18 Options for Code Generation Conventions
	`funwind-tables`	3.18 Options for Code Generation Conventions
	`fuse-cxa-atexit`	3.5 Options Controlling C++ Dialect
	`fverbose-asm`	3.18 Options for Code Generation Conventions
	`fvpt`	3.10 Options That Control Optimization
	`fweb`	3.10 Options That Control Optimization
	`fwide-exec-charset`	3.11 Options Controlling the Preprocessor
	`fworking-directory`	3.11 Options Controlling the Preprocessor
	`fwrapv`	3.18 Options for Code Generation Conventions
	`fwritable-strings`	3.4 Options Controlling C Dialect
	`fwritable-strings`	10.5 Incompatibilities of GCC
	`fzero-link`	3.6 Options Controlling Objective-C Dialect

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