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4036 All options with the desired characteristics have already been displayed The following options are not documented debug format "%s" conflicts with prior selection unrecognised debug output level "%s" debug output level %s is too high argument %qs to %<-femit-struct-debug-detailed%> unknown %<-femit-struct-debug-detailed=dir:...%> must allow at least as much as %<-femit-struct-debug-detailed=ind:...%> argument %qs to %<-femit-struct-debug-detailed%> not recognized argument to %<-O%> should be a non-negative integer, %<g%>, %<s%> or %<fast%> section anchors must be disabled when unit-at-a-time is disabled toplevel reorder must be disabled when unit-at-a-time is disabled transactional memory is not supported with non-call exceptions section anchors must be disabled when toplevel reorder is disabled -freorder-blocks-and-partition does not work with exceptions on this architecture -freorder-blocks-and-partition does not support unwind info on this architecture -freorder-blocks-and-partition does not work on this architecture -fno-fat-lto-objects are supported only with linker plugin only one -flto-partition value can be specified %<-fsplit-stack%> is not supported by this compiler configuration Debug generation via -g option disabled under -fripa -fprofile-generate (use -fripa-allow-debug to override) -fsanitize=address is incompatible with -fsanitize=kernel-address -fsanitize=address and -fsanitize=kernel-address are incompatible with -fsanitize=thread %s: --param arguments should be of the form NAME=VALUE --help argument %q.*s is ambiguous, please be more specific unrecognized argument to --help= option: %q.*s getting core file size maximum limit: %m setting core file size limit to maximum: %m unrecognized gcc debugging option: %c structure alignment must be a small power of two, not %d unknown stack check parameter "%s" %<-gdwarf%s%> is ambiguous; use %<-gdwarf-%s%> for DWARF version or %<-gdwarf -g%s%> for debug level dwarf version %d is not supported unrecognized argument to -fsanitize= option: %q.*s /usr/local/google/buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/gcc/opts-common.c command line option %qs is not supported by this configuration argument to %qs should be a non-negative integer unrecognized argument in option %qs valid arguments to %qs are: %s --help=<class> Display descriptions of a specific class of options. <class> is one or more of optimizers, target, warnings, undocumented, params --param <param>=<value> Set parameter <param> to value. See below for a complete list of parameters --print-missing-file-dependencies --print-sysroot-headers-suffix -A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question> Do not discard comments in macro expansions -D<macro>[=<val>] Define a <macro> with <val> as its value. If just <macro> is given, <val> is taken to be 1 -F <dir> Add <dir> to the end of the main framework include path Print the name of header files as they are used -I <dir> Add <dir> to the end of the main include path -J<directory> Put MODULE files in 'directory' Generate make dependencies and compile -MF <file> Write dependency output to the given file Treat missing header files as generated files Like -M but ignore system header files Like -MD but ignore system header files Generate phony targets for all headers -MQ <target> Add a MAKE-quoted target missing makefile target after %qs -MT <target> Add an unquoted target -O<number> Set optimization level to <number> Optimize for speed disregarding exact standards compliance Optimize for debugging experience rather than speed or size Optimize for space rather than speed Do not generate #line directives This switch is deprecated; use -Wextra instead Warn about things that will change when compiling with an ABI-compliant compiler Warn if a subobject has an abi_tag attribute that the complete object type does not have Warn about suspicious uses of memory addresses Warn about returning structures, unions or arrays -Waggressive-loop-optimizations Warn if a loop with constant number of iterations triggers undefined behavior Warn about possible aliasing of dummy arguments Warn about alignment of COMMON blocks Warn about missing ampersand in continued character constants Warn if an array is accessed out of bounds Warn about creation of array temporaries Warn whenever an Objective-C assignment is being intercepted by the garbage collector Warn about inappropriate attribute usage Warn about casting functions to incompatible types Warn when a built-in preprocessor macro is undefined or redefined Warn about C constructs that are not in the common subset of C and C++ Deprecated in favor of -Wc++11-compat Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011 Warn if the type of a variable might be not interoperable with C Warn about pointer casts which increase alignment Warn about casts which discard qualifiers Warn about subscripts whose type is "char" Warn about truncated character expressions Warn about variables that might be changed by "longjmp" or "vfork" Warn about possibly nested block comments, and C++ comments spanning more than one physical line Warn about equality comparisons involving REAL or COMPLEX expressions Warn for conditionally-supported constructs Warn for implicit type conversions that may change a value Warn about most implicit conversions Warn for converting NULL from/to a non-pointer type Warn in case profiles in -fprofile-use do not match Warn when a #warning directive is encountered Warn when all constructors and destructors are private Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage Warn when a declaration is found after a statement Warn when deleting a pointer to incomplete type Warn about deleting polymorphic objects with non-virtual destructors Warn if a deprecated compiler feature, class, method, or field is used Warn about uses of __attribute__((deprecated)) declarations Warn when an optimization pass is disabled Warn about compile-time integer division by zero Warn about implicit conversions from "float" to "double" Warn about violations of Effective C++ style rules Warn about an empty body in an if or else statement Warn about stray tokens after #elif and #endif Warn about comparison of different enum types -Werror-implicit-function-declaration This switch is deprecated; use -Werror=implicit-function-declaration instead Treat specified warning as error Print extra (possibly unwanted) warnings Warn if deprecated empty statements are found Exit on the first error occurred Warn for implicit type conversions that cause loss of floating point precision Warn if testing floating point numbersall declarations to file as Go code Suppress output of addresses in debugging dumps Display the code tree after parsing; deprecated option Suppress output of instruction numbers, line number notes and addresses in debugging dumps Suppress output of previous and next insn numbers in debugging dumps Enable CFI tables via GAS assembler directives. Perform DWARF2 duplicate elimination -feliminate-unused-debug-symbols Perform unused type elimination in debug info -feliminate-unused-debug-types Do not suppress C++ class debug information. Print to stderr the mapping from module name and function id to assembler function name when -ftest-coverage, -fprofile-generate or -fprofile-use are active, for use in correlating function ids in gcda files with the function name. -femit-struct-debug-baseonly Aggressive reduced debug info for structs -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs -femit-struct-debug-reduced Conservative reduced debug info for structs -fenable-[tree|rtl|ipa]-<pass>=range1+range2 enables an optimization pass --encoding=<encoding> Choose input encoding (defaults from your locale) Generate code to check exception specifications -fexcess-precision=[fast|standard] Specify handling of excess floating-point precision -fexec-charset=<cset> Convert all strings and character constants to character set <cset> Perform a number of minor, expensive optimizations Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding number literal rather than a user-defined number literal. --extdirs=<path> Set the extension directory path Permit universal character names (\u and \U) in identifiers Support dynamic initialization of thread-local variables in a different translation unit Specify that an external BLAS library should be used for matmul calls on large-size arrays Output lto objects containing both the intermediate language and binary output. Input file is a file with a list of filenames to compile Assume no NaNs or infinities are generated -ffixed-<register> Mark <register> as being unavailable to the compiler Assume that the source file is fixed form -ffixed-line-length-<n> Use n as character line width in fixed mode Allow arbitrary character line width in fixed mode Don't allocate floats and doubles in extended-precision registers Scope of for-init-statement variables is local to the loop Always check for non gcj generated classes archives Perform a forward propagation pass on RTL -ffp-contract=[off|on|fast] Perform floating-point expression contraction. -ffpe-summary=[...] Print summary of floating point exceptions -ffpe-trap=[...] Stop on following floating point exceptions Assume that the source file is free form -ffree-line-length-<n> Use n as character line width in free mode Allow arbitrary character line width in free mode Do not assume that standard C libraries and "main" exist Inject friend functions into enclosing namespace -ffunction-attribute-list=attribute:name,... Add attribute to named functions Allow function addresses to be held in registers Place each function into its own section Perform global common subexpression elimination Perform global common subexpression elimination after register allocation has finished Perform redundant load after store elimination in global common subexpression elimination Perform enhanced load motion during global common subexpression elimination Perform store motion after global common subexpression elimination Recognize GNU-defined keywords Generate code for GNU runtime environment Enable support for GNU transactional memory Use STB_GNU_UNIQUE if supported by the assembler Use traditional GNU semantics for inline functions Add explicit checks for division overflow in INT_MIN / -1 Add explicit checks for division by zero -fgo-dump-<type> Dump Go frontend internal information -fgo-optimize-<type> Turn on optimization passes in the frontend -fgo-pkgpath=<string> Set Go package path -fgo-prefix=<string> Set package-specific prefix for exported Go names -fgo-relative-import-path=<path> Treat a relative import as relative to path Enable in and out of Graphite representation Enable Graphite Identity transformation Enable guessing of branch probabilities -fhandle-exceptions has been renamed -fexceptions (and is now on by default) Assume the runtime uses a hash table to map an object to its synchronization structure Enable hoisting adjacent loads to encourage generating conditional move instructions Assume normal C execution environment Perform conversion of conditional jumps to branchless equivalents Perform conversion of conditional jumps to conditional execution Export functions even if they can be inlined Emit implicit instantiations of inline templates Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements Emit implicit instantiations of templates Generate instances of Class at runtime Use offset tables for virtual method calls Do not generate .size directives -finit-character=<n> Initialize local character variables to ASCII value n -finit-integer=<n> Initialize local integer variables to n Initialize local variables to zero (from g77) -finit-logical=<true|false> Initialize local logical variables -finit-real=<zero|nan|inf|-inf> Initialize local real variables Enable inlining of function declared "inline", disabling disables all inlining Inline __atomic operations when a lock free instruction sequence is available. Integrate functions not declared "inline" into their callers when profitable -finline-functions-called-once Integrate functions only required by their single caller -finline-limit=<number> Limit the size of inlined functions to <number> Integrate functions into their callers when code size is known not to grow -finput-charset=<cset> Specify the default character set for source files Instrument function entry and exit with profiling calls -finstrument-functions-exclude-file-list= -finstrument-functions-exclude-file-list=filename,... Do not instrument functions listed in files -finstrument-functions-exclude-function-list= -finstrument-functions-exclude-function-list=name,... Do not instrument listed functions Interpret any INTEGER(4) as an INTEGER(8) Specify where to find the compiled intrinsic modules Perform interprocedural constant propagation Perform cloning to make Interprocedural constant propagation stronger Perform interprocedural profile propagation Perform interprocedural points-to analysis Discover pure and const functions Discover readonly and non addressable static variables Perform interprocedural reduction of aggregates -fira-algorithm=[CB|priority] Set the used IRA algorithm Use IRA based register pressure calculation in RTL hoist optimizations. Use IRA based register pressure calculation in RTL loop optimizations. -fira-region=[one|all|mixed] Set regions for IRA Share slots for saving different hard registers. Share stack slots for spilled pseudo-registers. -fira-verbose=<number> Control IRA's level of diagnostic messages. -fisolate-erroneous-paths-attribute Detect paths which trigger erroneous or undefined behaviour due a NULL value being used in a way which is forbidden by a returns_nonnull or nonnull attribute. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behaviour into a trap. -fisolate-erroneous-paths-dereference Detect paths which trigger erroneous or undefined behaviour due to dereferencing a NULL pointer. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behaviour into a trap. Optimize induction variables on trees Assume native functions are implemented using JNI Use jump tables for sufficiently large switch statements Don't emit dllexported inline functions unless needed Generate code for functions even if they are fully inlined Emit static const variables even if they are not used Allow implicit conversions between vectors with differing numbersnumbers
