Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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─────C/C++ Compiler─────────────────────────────────────────────────────────
 
  /AC        ◄Compact Memory Model►
  /AH        ◄Huge Memory Model►
  /AL        ◄Large Memory Model►
  /AM        ◄Medium Memory Model►
  /AS        ◄Small Memory Model►
  /AT        ◄Tiny Memory Model►
  /Astring   ◄Custom Memory Model►
  /batch     ◄Batch Mode Operations►
  /Bmnumber  ◄Increasing Compiler Capacity►
  /c         ◄Compile Without Linking►
  /C         ◄Preserve Comments►
  /D         ◄Define Constants and Macros►
  /E         ◄Preserve #line Directives►
  /EP        ◄Remove #line Directives►
  /F hexnum  ◄Set Stack Size►
  /f         ◄Invoke Fast Compile►
  /Fa[file]  ◄Name Assembly Listing File►
  /Fc[file]  ◄Name Source/Assembly Listing File►
  /Fefile    ◄Name Executable File►
  /Fl[file]  ◄Name Object Listing File►
  /Fm[file]  ◄Name Linker Map File►
  /Fofile    ◄Name Object File►
  /Fpfile    ◄Specify Precompiled Header Filename►
  /FR[file]  ◄Name Extended Source Browser Information File►
  /Fr[file]  ◄Name Source Browser Information File►
  /Fs[file]  ◄Name Source Listing File►
  /FPa       ◄Fast Alternate Math►
  /FPc       ◄Emulation Calls►
  /FPc87     ◄80x87 Calls►
  /FPi       ◄Inline Emulation►
  /FPi87     ◄Inline 80x87 Instructions►
  /G0        ◄8086 Instructions►
  /G1        ◄80186 Instructions►
  /G2        ◄80286 Instructions►
  /G3        ◄80386 Instructions►
  /G4        ◄80486 Instructions►
  /Gc        ◄Pascal Calling Convention►
  /Gd        ◄C Calling Convention►
  /GA        ◄Optimize Entry/Exit Code for Protected-Mode Windows►
  /GD        ◄Optimize Entry/Exit Code for Protected-Mode Windows (DLL)►
  /GEstring  ◄Customize Windows Entry/Exit Code►
  /Ge        ◄Use Stack-Check Calls►
  /Gn        ◄Remove P-Code Native Entry Points►
  /Gpnumber  ◄Specifying Entry Tables for P-Code►
  /Gq        ◄Real-Mode Windows Entry/Exit Code, C 6.0 Compatible►
  /Gr        ◄Fastcall Calling Convention►
  /Gs        ◄Remove Stack-Check Calls►
  /Gtnumber  ◄Set Data Size Threshold►
  /Gw        ◄Real-Mode Windows Entry/Exit Code►
  /GW        ◄Real-Mode Windows Entry/Exit Code►
  /Gx        ◄Assume That Data Is Near►
  /Gy        ◄Enable Function-Level Linking►
  /Hnumber   ◄External Name Length►
  /HELP      ◄Display Help►
  /Ipath     ◄Include-File Directories►
  /J         ◄Change Default Character Type►
  /Ld        ◄Select Dynamically Linked Library►
  /Lw        ◄Select Statically Linked Library►
  /link name ◄Provide New Library Name to Linker►
  /Ln        ◄Do Not Link CRT.LIB►
  /Lr        ◄Link for Real Mode►
  /MA        ◄Macro Assembler Options►
  /Mq        ◄Compile for QuickWin►
  /NDname    ◄Name Data Segment►
  /NMname    ◄Name Code Segment, Backwards Compatibility►
  /NQname    ◄Name Temporary Segment for P-Code►
  /NTname    ◄Name Code Segments►
  /NVname    ◄Name Far Virtual Table Segment►
  /nologo    ◄Disable CL Banner►
  /Oa        ◄Assume No Aliasing►
  /Obnumber  ◄Control Inline Expansion►
  /Oc        ◄Enable Local Common Subexpression Optimization►
  /Od        ◄Disable Optimization►
  /Oe        ◄Global Register Allocation►
  /Of[-]     ◄Turn On [Off] P-Code Quoting►
  /Og        ◄Enable Global-Level Common Subexpression Optimization►
  /Oi        ◄Generate Intrinsic Functions►
  /Ol        ◄Loop Code Optimization►
  /On        ◄Disable Loop Optimization►
  /Oo[-]     ◄Turn On [Off] Post Code-Generation Optimization►
  /Op[-]     ◄Improve Float Consistency►
  /Oq        ◄Maximum P-Code Optimization►
  /Or        ◄Common Function-Exit Sequence►
  /Os        ◄Optimize for Space►
  /Ot        ◄Optimize for Time►
  /Ov[-]     ◄P-Code, Toggle Frame Sorting►
  /Ow        ◄Alias Only Across Calls►
  /Ox        ◄Use Maximum Optimization►
  /Oz        ◄Extra Loop/Global Optimization►
  /P         ◄Create Preprocessed File►
  /qc        ◄Quick Compile►
  /Slnumber  ◄Source-Listing Line Width►
  /Spnumber  ◄Source-Listing Page Length►
  /Ssstring  ◄Source-Listing Subtitle►
  /Ststring  ◄Source-Listing Title►
  /Tafile    ◄Assembler Source File►
  /Tcfile    ◄C Source File►
  /Tpfile    ◄C++ Source File►
  /u         ◄Remove All Defined Identifiers►
  /Uname     ◄Remove Specified Identifier►
  /Vstring   ◄Set Version String►
  /Wnumber   ◄Set Warning Level►
  /X         ◄Ignore Standard Include Directory►
  /Yc        ◄Create Precompiled Header File►
  /Yd        ◄Place Debug Information in Precompiled Header File►
  /Yu        ◄Use Precompiled Header File►
  /Za        ◄Disable Microsoft Extensions►
  /Zd        ◄Prepare for Debugging►
  /Ze        ◄Enable Microsoft Extensions►
  /Zf        ◄Accept __far Keyword (32-Bit Only)►
  /Zg        ◄Generate Function Prototypes►
  /Zi        ◄Prepare for Debug (CodeView)►
  /Zl        ◄Omit Default Library Name from Object File►
  /Zn        ◄Turn Off SBRPACK Utility►
  /Zpnumber  ◄Pack Structs on <number>-Byte Boundaries►
  /Zr        ◄Check Null Pointers (/qc only)►
  /Zs        ◄Check Syntax Only►
                                    -♦-