8 0 T __text __TEXT T __data __DATA T __cstring __TEXT 4 __const __DATA 89 4 p __literal4 __TEXT l __bss __DATA X H P 6 ; C C++ ObjC ObjC++ --help Display this information --output-pch= --param --param = Set parameter to value. See below for a complete list of parameters --target-help --version -A -A= Assert the to . Putting '-' before disables the to -C Do not discard comments -CC Do not discard comments in macro expansions -D -D[=] Define a with as its value. If just is given, is taken to be 1 -E -F -F Add to the end of the main framework include path -G -G Put global and static data smaller than bytes into a special section (on some targets) -H Print the name of header files as they are used -I -I Add to the end of the main include path -M Generate make dependencies -MD Generate make dependencies and compile -MF -MF Write dependency output to the given file -MG Treat missing header files as generated files -MM Like -M but ignore system header files -MMD Like -MD but ignore system header files -MP Generate phony targets for all headers -MQ -MQ Add a MAKE-quoted target -MT -MT Add an unquoted target -O -O Set optimization level to -Os Optimize for space rather than speed -P Do not generate #line directives -U -U Undefine -W This switch is deprecated; use -Wextra instead -Wabi Warn about things that will change when compiling with an ABI-compliant compiler -Waggregate-return Warn about returning structures, unions or arrays -Wall Enable most warning messages -Wassign-intercept Warn whenever an Objective-C assignment is being intercepted by the garbage collector -Wattributes Warn about inappropriate attribute usage -Wbad-function-cast Warn about casting functions to incompatible types -Wc++-compat Warn about C constructs that are not in the common subset of C and C++ -Wcast-align Warn about pointer casts which increase alignment -Wcast-qual Warn about casts which discard qualifiers -Wchar-subscripts Warn about subscripts whose type is "char" -Wcomment Warn about possibly nested block comments, and C++ comments spanning more than one physical line -Wcomments Synonym for -Wcomment -Wconversion Warn about possibly confusing type conversions -Wctor-dtor-privacy Warn when all constructors and destructors are private -Wdeclaration-after-statement Warn when a declaration is found after a statement -Wdeprecated Warn about deprecated compiler features -Wdeprecated-declarations Warn about uses of __attribute__((deprecated)) declarations -Wdisabled-optimization Warn when an optimization pass is disabled -Wdiv-by-zero Warn about compile-time integer division by zero -Weffc++ Warn about violations of Effective C++ style rules -Wendif-labels Warn about stray tokens after #elif and #endif -Werror Treat all warnings as errors -Werror-implicit-function-declaration Make implicit function declarations an error -Wextra Print extra (possibly unwanted) warnings -Wfatal-errors Exit on the first error occurred -Wfloat-equal Warn if testing floating point numbers for equality -Wformat Warn about printf/scanf/strftime/strfmon format string anomalies -Wformat-extra-args Warn if passing too many arguments to a function for its format string -Wformat-nonliteral Warn about format strings that are not literals -Wformat-security Warn about possible security problems with format functions -Wformat-y2k Warn about strftime formats yielding 2-digit years -Wformat-zero-length Warn about zero-length formats -Wformat= -Wimplicit -Wimplicit-function-declaration Warn about implicit function declarations -Wimplicit-int Warn when a declaration does not specify a type -Wimport Deprecated. This switch has no effect -Winit-self Warn about variables which are initialized to themselves -Winline Warn when an inlined function cannot be inlined -Wint-to-pointer-cast Warn when there is a cast to a pointer from an integer of a different size -Winvalid-offsetof Warn about invalid uses of the "offsetof" macro -Winvalid-pch Warn about PCH files that are found but not used -Wlarger-than- -Wlarger-than- Warn if an object is larger than bytes -Wlong-long Do not warn about using "long long" when -pedantic -Wmain Warn about suspicious declarations of "main" -Wmissing-braces Warn about possibly missing braces around initializers -Wmissing-declarations Warn about global functions without previous declarations -Wmissing-field-initializers Warn about missing fields in struct initializers -Wmissing-format-attribute Warn about functions which might be candidates for format attributes -Wmissing-include-dirs Warn about user-specified include directories that do not exist -Wmissing-noreturn Warn about functions which might be candidates for __attribute__((noreturn)) -Wmissing-prototypes Warn about global functions without prototypes -Wmultichar Warn about use of multi-character character constants -Wnested-externs Warn about "extern" declarations not at file scope -Wnon-template-friend Warn when non-templatized friend functions are declared within a template -Wnon-virtual-dtor Warn about non-virtual destructors -Wnonnull Warn about NULL being passed to argument slots marked as requiring non-NULL -Wnormalized= -Wnormalized= Warn about non-normalised Unicode strings -Wold-style-cast Warn if a C-style cast is used in a program -Wold-style-definition Warn if an old-style parameter definition is used -Woverloaded-virtual Warn about overloaded virtual function names -Wpacked Warn when the packed attribute has no effect on struct layout -Wpadded Warn when padding is required to align structure members -Wparentheses Warn about possibly missing parentheses -Wpmf-conversions Warn when converting the type of pointers to member functions -Wpointer-arith Warn about function pointer arithmetic -Wpointer-sign Warn when a pointer differs in signedness in an assignment -Wpointer-to-int-cast Warn when a pointer is cast to an integer of a different size -Wpragmas Warn about misuses of pragmas -Wprotocol Warn if inherited methods are unimplemented -Wredundant-decls Warn about multiple declarations of the same object -Wreorder Warn when the compiler reorders code -Wreturn-type Warn whenever a function's return type defaults to "int" (C), or about inconsistent return types (C++) -Wselector Warn if a selector has multiple methods -Wsequence-point Warn about possible violations of sequence point rules -Wshadow Warn when one local variable shadows another -Wsign-compare Warn about signed-unsigned comparisons -Wsign-promo Warn when overload promotes from unsigned to signed -Wstack-protector Warn when not issuing stack smashing protection for some reason -Wstrict-aliasing Warn about code which might break strict aliasing rules -Wstrict-aliasing= -Wstrict-null-sentinel Warn about uncasted NULL used as sentinel -Wstrict-prototypes Warn about unprototyped function declarations -Wstrict-selector-match Warn if type signatures of candidate methods do not match exactly -Wswitch Warn about enumerated switches, with no default, missing a case -Wswitch-default Warn about enumerated switches missing a "default:" statement -Wswitch-enum Warn about all enumerated switches missing a specific case -Wsynth Warn when synthesis behavior differs from Cfront -Wsystem-headers Do not suppress warnings from system headers -Wtraditional Warn about features not present in traditional C -Wtrigraphs Warn if trigraphs are encountered that might affect the meaning of the program -Wundeclared-selector Warn about @selector()s without previously declared methods -Wundef Warn if an undefined macro is used in an #if directive -Wuninitialized Warn about uninitialized automatic variables -Wunknown-pragmas Warn about unrecognized pragmas -Wunreachable-code Warn about code that will never be executed -Wunsafe-loop-optimizations Warn if the loop cannot be optimized due to nontrivial assumptions. -Wunused Enable all -Wunused- warnings -Wunused-function Warn when a function is unused -Wunused-label Warn when a label is unused -Wunused-macros Warn about macros defined in the main file that are not used -Wunused-parameter Warn when a function parameter is unused -Wunused-value Warn when an expression value is unused -Wunused-variable Warn when a variable is unused -Wvariadic-macros Do not warn about using variadic macros when -pedantic -Wvolatile-register-var Warn when a register variable is declared volatile -Wwrite-strings Give strings the type "array of char" -ansi A synonym for -std=c89 (for C) or -std=c++98 (for C++) -aux-info -aux-info Emit declaration information into -aux-info= -auxbase -auxbase-strip -d -d Enable dumps from specific passes of the compiler -dumpbase -dumpbase Set the file basename to be used for dumps -fPIC Generate position-independent code if possible (large mode) -fPIE Generate position-independent code for executables if possible (large mode) -fabi-version= -faccess-control Enforce class member access control semantics -falign-functions Align the start of functions -falign-functions= -falign-jumps Align labels which are only reached by jumping -falign-jumps= -falign-labels Align all labels -falign-labels= -falign-loops Align the start of loops -falign-loops= -fall-virtual -falt-external-templates Change when template instances are emitted -fargument-alias Specify that arguments may alias each other and globals -fargument-noalias Assume arguments may alias globals but not each other -fargument-noalias-global Assume arguments alias neither each other nor globals -fasm Recognize the "asm" keyword -fasynchronous-unwind-tables Generate unwind tables that are exact at each instruction boundary -fbounds-check Generate code to check bounds before indexing arrays -fbranch-count-reg Replace add, compare, branch with branch on count register -fbranch-probabilities Use profiling information for branch probabilities -fbranch-target-load-optimize Perform branch target load optimization before prologue / epilogue threading -fbranch-target-load-optimize2 Perform branch target load optimization after prologue / epilogue threading -fbtr-bb-exclusive Restrict target load migration not to re-use registers in any basic block -fbuiltin Recognize built-in functions -fbuiltin- -fcall-saved- -fcall-saved- Mark as being preserved across functions -fcall-used- -fcall-used- Mark as being corrupted by function calls -fcaller-saves Save registers around function calls -fcheck-new Check the return value of new -fcommon Do not put uninitialized globals in the common section -fcond-mismatch Allow the arguments of the '?' operator to have different types -fconserve-space Reduce the size of object files -fconst-strings Make string literals "const char[]" not "char[]" -fconstant-string-class= -fconst-string-class= Use class for constant strings -fcprop-registers Perform a register copy-propagation optimization pass -fcrossjumping Perform cross-jumping optimization -fcse-follow-jumps When running CSE, follow jumps to their targets -fcse-skip-blocks When running CSE, follow conditional jumps -fcx-limited-range Omit range reduction step when performing complex division -fdata-sections Place data items into their own section -fdefault-inline Inline member functions by default -fdefer-pop Defer popping functions args from stack until later -fdelayed-branch Attempt to fill delay slots of branch instructions -fdelete-null-pointer-checks Delete useless null pointer checks -fdiagnostics-show-location= -fdiagnostics-show-location=[once|every-line] How often to emit source location at the beginning of line-wrapped diagnostics -fdiagnostics-show-option Amend appropriate diagnostic messages with the command line option that controls them -fdollars-in-identifiers Permit '$' as an identifier character -fdump- -fdump- Dump various compiler internals to a file -fdump-unnumbered Suppress output of instruction numbers and line number notes in debugging dumps -fearly-inlining Perform early inlining -felide-constructors -feliminate-dwarf2-dups Perform DWARF2 duplicate elimination -feliminate-unused-debug-symbols Perform unused type elimination in debug info -feliminate-unused-debug-types -fenforce-eh-specs Generate code to check exception specifications -fenum-int-equiv -fexceptions Enable exception handling -fexec-charset= -fexec-charset= Convert all strings and character constants to character set -fexpensive-optimizations Perform a number of minor, expensive optimizations -fextended-identifiers Permit universal character names (\u and \U) in identifiers -fexternal-templates -ffast-math -ffinite-math-only Assume no NaNs or infinities are generated -ffixed- -ffixed- Mark as being unavailable to the compiler -ffixed-form -ffixed-line-length- -ffixed-line-length-none -ffloat-store Don't allocate floats and doubles in extended-precision registers -ffor-scope Scope of for-init-statement variables is local to the loop -fforce-addr Copy memory address constants into registers before use -fforce-mem Copy memory operands into registers before use -ffreestanding Do not assume that standard C libraries and "main" exist -ffriend-injection Inject friend functions into enclosing namespace -ffunction-cse Allow function addresses to be held in registers -ffunction-sections Place each function into its own section -fgcse Perform global common subexpression elimination -fgcse-after-reload Perform global common subexpression elimination after register allocation -fgcse-las Perform redundant load after store elimination in global common subexpression -fgcse-lm Perform enhanced load motion during global common subexpression elimination -fgcse-sm Perform store motion after global common subexpression elimination -fgnu-keywords Recognize GNU-defined keywords -fgnu-runtime Generate code for GNU runtime environment -fguess-branch-probability Enable guessing of branch probabilities -fguiding-decls -fhandle-exceptions -fhonor-std -fhosted Assume normal C execution environment -fhuge-objects Enable support for huge objects -fident Process #ident directives -fif-conversion Perform conversion of conditional jumps to branchless equivalents -fif-conversion2 Perform conversion of conditional jumps to conditional execution -fimplement-inlines Export functions even if they can be inlined -fimplicit-inline-templates Emit implicit instantiations of inline templates -fimplicit-templates Emit implicit instantiations of templates -finhibit-size-directive Do not generate .size directives -finline Pay attention to the "inline" keyword -finline-functions Integrate simple functions into their callers -finline-functions-called-once Integrate functions called once into their callers -finline-limit- -finline-limit= -finline-limit= Limit the size of inlined functions to -finput-charset= -finput-charset= Specify the default character set for source files -finstrument-functions Instrument function entry and exit with profiling calls -fipa-cp Perform Interprocedural constant propagation -fipa-pure-const Discover pure and const functions -fipa-reference Discover readonly and non addressable static variables -fipa-type-escape Type based escape and alias analysis -fivopts Optimize induction variables on trees -fjump-tables Use jump tables for sufficiently large switch statements -fkeep-inline-functions Generate code for functions even if they are fully inlined -fkeep-static-consts Emit static const variables even if they are not used -flabels-ok -fleading-underscore Give external symbols a leading underscore -floop-optimize Perform loop optimizations -floop-optimize2 Perform loop optimizations using the new loop optimizer -fmath-errno Set errno after built-in math functions -fmem-report Report on permanent memory allocation -fmerge-all-constants Attempt to merge identical constants and constant variables -fmerge-constants Attempt to merge identical constants across compilation units -fmessage-length= -fmessage-length= Limit diagnostics to characters per line. 0 suppresses line-wrapping -fmodulo-sched Perform SMS based modulo scheduling before the first scheduling pass -fmove-loop-invariants Move loop invariant computations out of loops -fms-extensions Don't warn about uses of Microsoft extensions -fmudflap Add mudflap bounds-checking instrumentation for single-threaded program -fmudflapir Ignore read operations when inserting mudflap instrumentation -fmudflapth Add mudflap bounds-checking instrumentation for multi-threaded program -fname-mangling-version- -fnew-abi -fnext-runtime Generate code for NeXT (Apple Mac OS X) runtime environment -fnil-receivers Assume that receivers of Objective-C messages may be nil -fnon-call-exceptions Support synchronous non-call exceptions -fnonansi-builtins -fnonnull-objects -fobjc-call-cxx-cdtors Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed -fobjc-direct-dispatch Allow fast jumps to the message dispatcher -fobjc-exceptions Enable Objective-C exception and synchronization syntax -fobjc-gc Enable garbage collection (GC) in Objective-C/Objective-C++ programs -fobjc-sjlj-exceptions Enable Objective-C setjmp exception handling runtime -fomit-frame-pointer When possible do not generate stack frames -foperator-names Recognize C++ kewords like "compl" and "xor" -foptimize-register-move Do the full register move optimization pass -foptimize-sibling-calls Optimize sibling and tail recursive calls -foptional-diags Enable optional diagnostics -fpack-struct Pack structure members together without holes -fpack-struct= -fpack-struct= Set initial maximum structure member alignment -fpcc-struct-return Return small aggregates in memory, not registers -fpch-deps -fpch-preprocess Look for and use PCH files even when preprocessing -fpeel-loops Perform loop peeling -fpeephole Enable machine specific peephole optimizations -fpeephole2 Enable an RTL peephole pass before sched2 -fpermissive Downgrade conformance errors to warnings -fpic Generate position-independent code if possible (small mode) -fpie Generate position-independent code for executables if possible (small mode) -fprefetch-loop-arrays Generate prefetch instructions, if available, for arrays in loops -fpreprocessed Treat the input file as already preprocessed -fprofile Enable basic program profiling code -fprofile-arcs Insert arc-based program profiling code -fprofile-generate Enable common options for generating profile info for profile feedback directed optimizations -fprofile-use Enable common options for performing profile feedback directed optimizations -fprofile-values Insert code to profile values of expressions -frandom-seed -frandom-seed= -frandom-seed= Make compile reproducible using -freg-struct-return Return small aggregates in registers -fregmove Enables a register move optimization -frename-registers Perform a register renaming optimization pass -freorder-blocks Reorder basic blocks to improve code placement -freorder-blocks-and-partition Reorder basic blocks and partition into hot and cold sections -freorder-functions Reorder functions to improve code placement -freplace-objc-classes Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime -frepo Enable automatic template instantiation -frerun-cse-after-loop Add a common subexpression elimination pass after loop optimizations -frerun-loop-opt Run the loop optimizer twice -freschedule-modulo-scheduled-loops Enable/Disable the traditional scheduling in loops that already passed modulo scheduling -frounding-math Disable optimizations that assume default FP rounding behavior -frtti Generate run time type descriptor information -fsched-interblock Enable scheduling across basic blocks -fsched-spec Allow speculative motion of non-loads -fsched-spec-load Allow speculative motion of some loads -fsched-spec-load-dangerous Allow speculative motion of more loads -fsched-stalled-insns Allow premature scheduling of queued insns -fsched-stalled-insns-dep Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns-dep= -fsched-stalled-insns-dep= Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns= -fsched-stalled-insns= Set number of queued insns that can be prematurely scheduled -fsched-verbose= -fsched-verbose= Set the verbosity level of the scheduler -fsched2-use-superblocks If scheduling post reload, do superblock scheduling -fsched2-use-traces If scheduling post reload, do trace scheduling -fschedule-insns Reschedule instructions before register allocation -fschedule-insns2 Reschedule instructions after register allocation -fshared-data Mark data as shared rather than private -fshort-double Use the same size for double as for float -fshort-enums Use the narrowest integer type possible for enumeration types -fshort-wchar Force the underlying type for "wchar_t" to be "unsigned short" -fshow-column Show column numbers in diagnostics, when available. Default on -fsignaling-nans Disable optimizations observable by IEEE signaling NaNs -fsigned-bitfields When "signed" or "unsigned" is not given make the bitfield signed -fsigned-char Make "char" signed by default -fsingle-precision-constant Convert floating point constants to single precision constants -fsplit-ivs-in-unroller Split lifetimes of induction variables when loops are unrolled -fsquangle -fstack-check Insert stack checking code into the program -fstack-limit -fstack-limit-register= -fstack-limit-register= Trap if the stack goes past -fstack-limit-symbol= -fstack-limit-symbol= Trap if the stack goes past symbol -fstack-protector Use propolice as a stack protection method -fstack-protector-all Use a stack protection method for every function -fstats Display statistics accumulated during compilation -fstrength-reduce Perform strength reduction optimizations -fstrict-aliasing Assume strict aliasing rules apply -fstrict-prototype -fsyntax-only Check for syntax errors, then stop -ftabstop= -ftabstop= Distance between tab stops for column reporting -ftemplate-depth- -ftemplate-depth- Specify maximum template instantiation depth -ftest-coverage Create data files needed by "gcov" -fthis-is-variable -fthread-jumps Perform jump threading optimizations -fthreadsafe-statics -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics -ftime-report Report the time taken by each compiler pass -ftls-model= -ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model -ftracer Perform superblock formation via tail duplication -ftrapping-math Assume floating-point operations can trap -ftrapv Trap for signed overflow in addition, subtraction and multiplication -ftree-ccp Enable SSA-CCP optimization on trees -ftree-ch Enable loop header copying on trees -ftree-combine-temps Coalesce memory temporaries in the SSA->normal pass -ftree-copy-prop Enable copy propagation on trees -ftree-copyrename Replace SSA temporaries with better names in copies -ftree-dce Enable SSA dead code elimination optimization on trees -ftree-dominator-opts Enable dominator optimizations -ftree-dse Enable dead store elimination -ftree-fre Enable Full Redundancy Elimination (FRE) on trees -ftree-loop-im Enable loop invariant motion on trees -ftree-loop-ivcanon Create canonical induction variables in loops -ftree-loop-linear Enable linear loop transforms on trees -ftree-loop-optimize Enable loop optimizations on tree level -ftree-lrs Perform live range splitting during the SSA->normal pass -ftree-pre Enable SSA-PRE optimization on trees -ftree-salias Perform structural alias analysis -ftree-sink Enable SSA code sinking on trees -ftree-sra Perform scalar replacement of aggregates -ftree-store-ccp Enable SSA-CCP optimization for stores and loads -ftree-store-copy-prop Enable copy propagation for stores and loads -ftree-ter Replace temporary expressions in the SSA->normal pass -ftree-vect-loop-version Enable loop versioning when doing loop vectorization on trees -ftree-vectorize Enable loop vectorization on trees -ftree-vectorizer-verbose= -ftree-vectorizer-verbose= Set the verbosity level of the vectorizer -ftree-vrp Perform Value Range Propagation on trees -funit-at-a-time Compile whole compilation unit at a time -funroll-all-loops Perform loop unrolling for all loops -funroll-loops Perform loop unrolling when iteration count is known -funsafe-loop-optimizations Allow loop optimizations to assume that the loops behave in normal way -funsafe-math-optimizations Allow math optimizations that may violate IEEE or ISO standards -funsigned-bitfields When "signed" or "unsigned" is not given make the bitfield unsigned -funsigned-char Make "char" unsigned by default -funswitch-loops Perform loop unswitching -funwind-tables Just generate unwind tables for exception handling -fuse-cxa-atexit Use __cxa_atexit to register destructors -fvar-tracking Perform variable tracking -fvariable-expansion-in-unroller Apply variable expansion when loops are unrolled -fverbose-asm Add extra commentary to assembler output -fvisibility-inlines-hidden Marks all inlined methods as having hidden visibility -fvisibility= -fvisibility=[default|internal|hidden|protected] Set the default symbol visibility -fvpt Use expression value profiles in optimizations -fvtable-gc Discard unused virtual functions -fvtable-thunks Implement vtables using thunks -fweak Emit common-like symbols as weak symbols -fweb Construct webs and split unrelated uses of single variable -fwhole-program Perform whole program optimizations -fwide-exec-charset= -fwide-exec-charset= Convert all wide strings and character constants to character set -fworking-directory Generate a #line directive pointing at the current working directory -fwrapv Assume signed arithmetic overflow wraps around -fxref Emit cross referencing information -fzero-initialized-in-bss Put zero initialized data in the bss section -fzero-link Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode -g Generate debug information in default format -gcoff Generate debug information in COFF format -gdwarf-2 Generate debug information in DWARF v2 format -gen-decls Dump declarations to a .decl file -ggdb Generate debug information in default extended format -gstabs Generate debug information in STABS format -gstabs+ Generate debug information in extended STABS format -gvms Generate debug information in VMS format -gxcoff Generate debug information in XCOFF format -gxcoff+ Generate debug information in extended XCOFF format -idirafter -idirafter Add to the end of the system include path -imacros -imacros Accept definition of macros in -include -include Include the contents of before other files -iprefix -iprefix Specify as a prefix for next two options -iquote -iquote Add to the end of the quote include path -isysroot -isysroot Set to be the system root directory -isystem -isystem Add to the start of the system include path -iwithprefix -iwithprefix Add to the end of the system include path -iwithprefixbefore -iwithprefixbefore Add to the end of the main include path -lang-asm -lang-fortran -lang-objc -m128bit-long-double sizeof(long double) is 16 -m32 Generate 32bit i386 code -m386 -m3dnow Support 3DNow! built-in functions -m486 -m64 Generate 64bit x86-64 code -m80387 Use hardware fp -m96bit-long-double sizeof(long double) is 12 -maccumulate-outgoing-args Reserve space for outgoing arguments in the function prologue -malign-double Align some doubles on dword boundary -malign-functions= Function starts are aligned to this power of 2 -malign-jumps= Jump targets are aligned to this power of 2 -malign-loops= Loop code aligned to this power of 2 -malign-stringops Align destination of the string operations -march= Generate code for given CPU -masm= Use given assembler dialect -mbranch-cost= Branches are this expensive (1-5, arbitrary units) -mcmodel= Use given x86-64 code model -mdebug-addr -mdebug-arg -mfancy-math-387 Generate sin, cos, sqrt for FPU -mfix-and-continue Generate code suitable for fast turn around debugging -mfp-ret-in-387 Return values of functions in FPU registers -mfpmath= Generate floating point mathematics using given instruction set -mhard-float -mieee-fp Use IEEE math for fp comparisons -minline-all-stringops Inline all known string operations -mintel-syntax -mlarge-data-threshold= Data greater than given threshold will go into .ldata section in x86-64 medium model -mmacosx-version-min= The earliest MacOS X version on which this program will run -mmmx Support MMX built-in functions -mms-bitfields Use native (MS) bitfield layout -mno-align-stringops -mno-fancy-math-387 -mno-push-args -mno-red-zone -momit-leaf-frame-pointer Omit the frame pointer in leaf functions -mone-byte-bool Set sizeof(bool) to 1 -mpentium -mpentiumpro -mpreferred-stack-boundary= Attempt to keep stack aligned to this power of 2 -mpush-args Use push instructions to save outgoing arguments -mred-zone Use red-zone in the x86-64 code -mregparm= Number of registers used to pass integer arguments -mrtd Alternate calling convention -msoft-float Do not use hardware fp -msse Support MMX and SSE built-in functions and code generation -msse2 Support MMX, SSE and SSE2 built-in functions and code generation -msse3 Support MMX, SSE, SSE2 and SSE3 built-in functions and code generation -msseregparm Use SSE register passing conventions for SF and DF mode -mstack-arg-probe Enable stack probing -msvr3-shlib Uninitialized locals in .bss -mtls-dialect= Use given thread-local storage dialect -mtls-direct-seg-refs Use direct references against %gs when accessing tls data -mtune= Schedule code for given CPU -nostdinc Do not search standard system include directories (those specified with -isystem will still be used) -nostdinc++ Do not search standard system include directories for C++ -o -o Place output into -p Enable function profiling -pedantic Issue warnings needed for strict compliance to the standard -pedantic-errors Like -pedantic but issue them as errors -print-objc-runtime-info Generate C header of platform-specific features -print-pch-checksum Print a checksum of the executable for PCH validity checking, and stop -quiet Do not display functions compiled or elapsed time -remap Remap file names when including files -std=c++98 Conform to the ISO 1998 C++ standard -std=c89 Conform to the ISO 1990 C standard -std=c99 Conform to the ISO 1999 C standard -std=c9x Deprecated in favor of -std=c99 -std=gnu++98 Conform to the ISO 1998 C++ standard with GNU extensions -std=gnu89 Conform to the ISO 1990 C standard with GNU extensions -std=gnu99 Conform to the ISO 1999 C standard with GNU extensions -std=gnu9x Deprecated in favor of -std=gnu99 -std=iso9899:1990 -std=iso9899:199409 Conform to the ISO 1990 C standard as amended in 1994 -std=iso9899:1999 -std=iso9899:199x Deprecated in favor of -std=iso9899:1999 -traditional-cpp Enable traditional preprocessing -trigraphs -trigraphs Support ISO C trigraphs -undef Do not predefine system-specific and GCC-specific macros -v Enable verbose output -version Display the compiler's version -w Suppress warnings
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