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| clswitch.html |  |
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| Value | Meaning |
|---|---|
| @ <File> | Get parameters from response file. Parameters can be all on one line. Must be first option given! Not available in all compiles. |
| -@ <File> | Get parameters from response file (one per line). |
| -a | Don't Preprocess - assemble only. |
| -D or -d <Macro> | Pre-define a macro. A value may be included. |
| -e | Preprocess only |
| -E <File> | Send errors to file. |
| -f <format> |
Output formats: aout, aoutb, as86, bin (default), coff, dbg, elf, ieee, obj, rdoff, win32 Not all formats available in all compiles! Use "-hf" for a compile-specific list. |
| -F <Format> | Format for debug info. |
| -g | Use debug info. |
| -h | Show a brief help screen. |
| -hf | List available (in this compile) output formats. |
| -I or -i <Path> | Path for include files. Must include trailing slash or backslash! Nasm doesn't know which you want. |
| -l <File> | Generate listing file. |
| -M | Generate Makefile dependencies on stdout. |
| -o <file> | Name output file. Default depends on output format. |
| -P or -p <file> | Pre-include a file. |
| --POSTFIX <text> | Appends text to global variable names. |
| --PREFIX <text> | Prepends text to global variable names. |
| -r | Show version info. |
| -s | Send errors to Stdout |
| -t | Enable Tasm Compatibility mode. Not available in all compiles. -DTASM_COMPAT to compile it in. |
| -U or -u <Macro> | Un-define a macro. |
| -w+ or -w-<Warning Option> |
Enable/Disable warnings.(default) macro-params(-) macro-selfref(-) orphan-labels(-) number-overflow(+) No White Space allowed after +/-! Can be used as directives, also, to turn warnings on and off across parts of your source. |
| -y |
Show debug formats. "borland" only? |
Except for the "-w" switch, a space is optional
- either "-fobj" or "-f obj" is valid.
The environment variable "NASM=" can be set to command
line switches to be used by default.
Example: "set NASM=-w+orphan-labels"
Internally, Nasm is case-sensitive. To force the object file to uppercase, the "UPPERCASE" directive is used in the file, rather than a command line switch.
Nasm has no provision for passing commands to a linker ( or invoking one ).