F Options

• F (Mac OS* X)
  Add framework directory to head of include file search path.
• F (Windows*)
  Specifies the stack reserve amount for the program.
• Fa
  Specifies that an assembly listing file should be generated.
• FA
  Specifies the contents of an assembly listing file.
• fabi-version
  Instructs the compiler to select a specific ABI implementation.
• falias
  Determines whether aliasing should be assumed in the program.
• falign-functions, Qfnalign
  Tells the compiler to align functions on an optimal byte boundary.
• falign-stack
  Tells the compiler the stack alignment to use on entry to routines.
• fargument-alias, Qalias-args
  Determines whether function arguments can alias each other.
• fargument-noalias-global
  Tells the compiler that function arguments cannot alias each other and cannot alias global storage.
• fasm-blocks
  Enables the use of blocks and entire functions of assembly code within a C or C++ file.
• fast
  Maximizes speed across the entire program.
• fast-transcendentals, Qfast-transcendentals
  Enables the compiler to replace calls to transcendental functions with faster but less precise implementations.
• fbuiltin, Oi
  Enables or disables inline expansion of intrinsic functions.
• FC
  Displays the full path of source files passed to the compiler in diagnostics.
• fcode-asm
  Produces an assembly listing with machine code annotations.
• fcommon
  Determines whether the compiler treats common symbols as global definitions.
• Fd
  Lets you specify a name for a program database (PDB) file.
• FD
  Generates file dependencies related to the Microsoft* C/C++ compiler.
• Fe
  Specifies the name for a built program or dynamic-link library.
• fexceptions
  Enables exception handling table generation.
• ffnalias
  Specifies that aliasing should be assumed within functions.
• ffreestanding, Qfreestanding
  Ensures that compilation takes place in a freestanding environment.
• ffriend-injection
  Causes the compiler to inject friend functions into the enclosing namespace.
• ffunction-sections
  Places each function in its own COMDAT section.
• FI
  Tells the preprocessor to include a specified file name as the header file.
• fimf-absolute-error, Qimf-absolute-error
  Defines the maximum allowable absolute error for math library function results.
• fimf-accuracy-bits, Qimf-accuracy-bits
  Defines the relative error for math library function results.
• fimf-arch-consistency, Qimf-arch-consistency
  Ensures that the math library functions produce consistent results across different implementations of the same architecture.
• fimf-max-error, Qimf-max-error
  Defines the maximum allowable relative error for math library function results.
• fimf-precision, Qimf-precision
  Defines the accuracy for math library functions.
• finline
  Tells the compiler to inline functions declared with __inline and perform C++ inlining.
• finline-functions
  Enables function inlining for single file compilation.
• finline-limit
  Lets you specify the maximum size of a function to be inlined.
• finstrument-functions, Qinstrument-functions
  Determines whether function entry and exit points are instrumented.
• fixed
  Causes the linker to create a program that can be loaded only at its preferred base address.
• fjump-tables
  Determines whether jump tables are generated for switch statements.
• fkeep-static-consts, Qkeep-static-consts
  Tells the compiler to preserve allocation of variables that are not referenced in the source.
• Fm
  Tells the linker to generate a link map file. This option has been deprecated.
• fmath-errno
  Tells the compiler that errno can be reliably tested after calls to standard math library functions.
• fminshared
  Specifies that a compilation unit is a component of a main program and should not be linked as part of a shareable object.
• fms-dialect
  Enables support for a language dialect that is compatible with Microsoft* Windows, while maintaining link compatibility with gcc.
• fmudflap
  The compiler instruments risky pointer operations to prevent buffer overflows and invalid heap use.
• fno-gnu-keywords
  Do not recognize typeof as keyword.
• fno-implicit-inline-templates
  Tells the compiler to not emit code for implicit instantiations of inline templates.
• fno-implicit-templates
  Tells the compiler to not emit code for non-inline templates that are instantiated implicitly.
• fno-operator-names
  Disables support for the operator names specified in the standard.
• fno-rtti
  Disables support for run-time type information (RTTI).
• fnon-call-exceptions
  Allows trapping instructions to throw C++ exceptions.
• fnon-lvalue-assign
  Determines whether casts and conditional expressions can be used as lvalues.
• Fo
  Specifies the name for an object file.
• fomit-frame-pointer, Oy
  Determines whether EBP is used as a general-purpose register in optimizations.
• fp (Linux* OS and Mac OS* X)
  This is a deprecated, alternate option name for option -fomit-frame-pointer.
• fp (Windows* OS)
  For more information, see option fp-model, fp.
• Fp
  Lets you specify an alternate path or file name for precompiled header files.
• fp-model, fp
  Controls the semantics of floating-point calculations.
• fp-port, Qfp-port
  Rounds floating-point results after floating-point operations.
• fp-speculation, Qfp-speculation
  Tells the compiler the mode in which to speculate on floating-point operations.
• fp-stack-check, Qfp-stack-check
  Tells the compiler to generate extra code after every function call to ensure that the floating-point stack is in the expected state.
• fp-trap, Qfp-trap
  Sets the floating-point trapping mode for the main routine.
• fp-trap-all, Qfp-trap-all
  Sets the floating-point trapping mode for all routines.
• fpack-struct
  Specifies that structure members should be packed together.
• fpascal-strings
  Allow for Pascal-style string literals.
• fpermissive
  Allow for non-conformant code.
• fpic
  Determines whether the compiler generates position-independent code.
• fpie
  Tells the compiler to generate position-independent code. The generated code can only be linked into executables.
• Fr
  Invokes the Microsoft C/C++ compiler and tells it to produce a BSCMAKE.sbr file without information on local variables. This is a deprecated option.
• FR
  Invokes the Microsoft C/C++ compiler and tells it to produce a BSCMAKE .sbr file with complete symbolic information.
• freg-struct-return
  Return struct and union values in registers when possible.
• fshort-enums
  Tells the compiler to allocate as many bytes as needed for enumerated types.
• fsource-asm
  Produces an assembly listing with source code annotations.
• fstack-protector
  This is an alternate name for option -fstack-security-check.
• fstack-security-check, GS
  Determines whether the compiler generates code that detects some buffer overruns.
• fstrict-aliasing
  This is an alternate name for option -ansi-alias.
• fsyntax-only
  Tells the compiler to check only for correct syntax.
• ftemplate-depth, Qtemplate-depth
  Control the depth in which recursive templates are expanded.
• ftls-model
  Change thread local storage model.
• ftrapuv, Qtrapuv
  Initializes stack local variables to an unusual value to aid error detection.
• ftz, Qftz
  Flushes denormal results to zero.
• funroll-all-loops
  Unroll all loops even if the number of iterations is uncertain when the loop is entered.
• funroll-loops
  This is an alternate name for option -unroll.
• funsigned-bitfields
  Determines whether the default bitfield type is changed to unsigned.
• funsigned-char
  Change default char type to unsigned.
• fvar-tracking
  This is an alternate name for option -debug variable-locations.
• fvar-tracking-assignments
  This is an alternate name for option -debug semantic-stepping.
• fverbose-asm
  Produces an assembly listing with compiler comments, including options and version information.
• fvisibility
  Specifies the default visibility for global symbols or the visibility for symbols in a file.
• fvisibility-inlines-hidden
  Causes inline member functions (those defined in the class declaration) to be marked hidden.
• fzero-initialized-in-bss , Qzero-initialized-in-bss
  Determines whether the compiler places in the DATA section any variables explicitly initialized with zeros.

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