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The following table shows the compiler options available to all microprocessor compilers.
| Option | Description |
|---|---|
| /? | Displays the available compiler options with descriptions. |
| /C - Preserve Comments During Preprocessing | Preserves comments during preprocessing. |
| /c - Compile Without Linking | Compiles without linking. |
| /callcap -Enable callcap profiling | Inserts callcap profiling hooks at the beginning and end of each function. |
| /D - Define Constants and Macros | Defines constants and macros. |
| /E - Copy Preprocessor Output | Copies preprocessor output to standard output. |
| /EH - Exception Handling Model | Specifies the model of exception handling. Includes alternatives /EHa, /EHc, and /EHs. |
| /EP - Copy Preprocessor Output | Copies preprocessor output to standard output. |
| /F - Set Stack Size | Sets stack size. |
| /Fa - Rename Assembly-File Listing | Renames assembler file listing. For more information about setting file types, see File Alternatives. |
| /FA - Create Listing Files | Creates assembler, machine, or source listing file. For more information about setting file types, see File Alternatives. |
| /fastcap - Enable fastcap profiling | Inserts fastcap profiling hooks before and after each function call. |
| /Fd - Rename .PDB File | Renames program database. |
| /Fe - Rename Executable File | Renames executable file. For more information about setting file types, see File Alternatives. |
| /FI - Preprocess specified Header File First | Preprocess specified header file first. |
| /Fm - Create Map File | Creates map file. For more information about setting file types, see File Alternatives. |
| /Fo - Rename Object File | Renames object file. For more information about setting file types, see File Alternatives. |
| /Fp - Specify Precompiled Header | Specifies precompiled header file name. For more information about setting file types, see File Alternatives. |
| /FR, /Fr - Generate Browser Files | Generates browser files. For more information about setting file types, see File Alternatives. |
| /GF - Enable Read-Only String Pooling | Enables read-only string pooling. |
| /Gh - Enable _penter Hook Function | Causes a call to the _penter function at the start of every method or function. Applies to x86 microprocessors only. |
| /GH - Enable _pexit Hook Function | Causes a call to the _pexit function at the end of every method or function. Applies to x86 microprocessors only. |
| /GL - Enable Link-Time Code Generation | Enables trans-module optimizations at link time. |
| /Gn - Optimize for Processor | Optimizes code to favor a particular x86 processor, depending on the value of n. |
| /GR - Enable Run-Time Type Information | Enables Run Time Type Information (RTTI). |
| /GS - Enable Security Checks | Enables stack checking to detect buffer overrun attacks.
This is the default build flag for device compilers. |
| /GX - Enable Exception Handling | Enables C++ exceptions. |
| /Gy - Enable Function-Level Linking | Enables function-level linking. |
| /GZ - Catch Release Errors in Debug Build | Enables run-time checks to catch bugs that only occur in a Release build while in a Debug build mode. |
| /H - Restrict Length of External Names | Restricts length of external names. |
| /HELP - List the Compiler Options | Lists the compiler options. |
| /I - Search Directory for Include Files | Searches directory for include files. |
| /J - Change Default char Type | Changes default character type. |
| /LD - Create a Dynamic-Link Library | Creates a dynamic-link library. /LDd creates a debug DLL. |
| /link - Linker-Control Options | Sets Linker-control options. |
| /nobool - Disable Bool Keyword | Suppresses the C++ bool, true, and false keywords. |
| /nologo - Suppress Display of Sign-on Banner | Suppresses display of sign-on banner. |
| /O1, /O2 - Specify Small or Fast Code | Specifies small or fast code. |
| /Oa - Assume No Aliasing | Assumes no aliasing. |
| /Obn - Control Inline Expansion | Controls inline expansion, where n is a digit from 0 through 2. |
| /Od - Disable Optimization | Disables optimization. |
| /Og - Enable Global Optimization | Enables global optimization. |
| /Oi - Generate Intrinsic Functions | Generates intrinsic functions. |
| /Op, /OP - Improve Floating-Point Consistency | Improves floating-point consistency. |
| /Os, /O, /Ot - Optimize for Size or Speed | Specifies small or fast sequences of machine code. |
| /Ow - Assume Aliasing Across Function Calls | Assumes aliasing across function calls. |
| /Ox - Use Maximum Optimization for Speed | Uses maximum optimization for fast code. |
| /P - Create Preprocessor Output File | Creates preprocessor-output file. |
| /QIfist - Suppress _ftol | Suppresses the call of the _ftol function when a conversion from floating-point type to integer type is required.
Applies to x86 microprocessors only. |
| /RTC - Run-time Error Checks | Enables run-time error checks.
Applies to x86 microprocessors only. |
| /showIncludes - List Include Files | Causes a list of include files to be output. |
| /TcFilename, /TC - Specify C Source File | /TcFilename compiles Filename as a C source file.
/TC compiles all files as C source files. |
| /TpFilename, /TP - Specify C++ Source File | /TpFilename compiles Filename as a C++ source file.
/TP compiles all files as C++ source files. |
| /UName, /u - Remove Predefined Names | /UName removes predefined macro.
/u removes all predefined macros. |
| /vdn - Suppress or Enable Virtual Base Class | Suppresses or enables hidden vtordisp class members. |
| /vmb - Use Best Case for Pointers | Uses best case for pointers to class members. |
| /vmg - Use Full Generality for Pointers | Uses full generality for pointers to class members. |
| /vmm - Declare Multiple Inheritance | Declares multiple inheritances. |
| /vms - Declare Single Inheritance | Declares single inheritance. |
| /vmv - Declare Virtual Inheritance | Declares virtual inheritance. |
| /V - Set Version String | Sets version string. |
| /W, /w - Set Warning Level | /Wn sets warning level to n, default is 1.
/WX treats warnings as errors. /w disables all warnings. |
| /WL - Enable One-line Diagnostics | Enables additional information about error and warming messages |
| /Wp64 - Detect 64-bit Portability Issues | Detects 64-bit portability problems on _w64 types. |
| /X - Ignore Standard Include Directory | Ignores standard include directory. |
| /Y- -- Ignore Precompiled Header Options | Causes all other /Y precompiled header options to be ignored. This option cannot be overridden. |
| /Yc - Create Precompiled Header | Creates precompiled header. |
| /Yd - Duplicate Debugging Info | Duplicates debugging information in all object files. |
| /Yu - Use Precompiled Header | Uses precompiled header. |
| /YX - Automate Precompiled Header | Automates precompiled header. |
| /Za - Disable Language Extensions | Disables Microsoft C++ extensions and compile for ANSI compatibility. |
| /Zc:forScope - Force Conformance in For Loop Scope | Causes standard C++ behavior to occur in for loops with Microsoft extensions with the /Ze - Enable Language Extensions option. |
| /Zc:wchar_t - wchar_t Is Native Type | Causes the type wchar_t to become a native type that maps to __wchar_t in the same way that short maps to __int16. |
| /Zd, /Z7, /Zi -Debug Info | Generates debugging information. |
| /Ze - Enable Language Extensions | Enables Microsoft C++ language extensions. |
| /Zg - Generate Function Prototypes | Generates function prototypes. |
| /Zl - Remove Default-Library Name from Object File | Removes default-library names from object file. |
| /Zm - Specify Memory Allocation Limit | Determines the compiler memory allocation limit. |
| /Zp - Pack Structure Members | Packs structure members on byte boundary specified by n. |
| /Zs - Check Syntax Only | Checks syntax only. |
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