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Compiler Command-line Options
If you do not specify a -o option, the compiler names the output file according to the
conventions of Table 2-6.
Table 2-6 Compiling without the -o option
Compiler option Action Usage notes
-c produces an object file whose name
defaults to the name of the input file with
the filename extension .o
-S produces an output file whose name
defaults to the name of the input file with
the filename extension .s
-E writes output from the preprocessor to the
standard output stream
(No option)
produces an executable image with the
default name of __image.axf
none of -o, -c, -E or -S
is specified on the
command line
Note
This option overrides the --default_extension option.
See also
• --asm on page 2-16
• -c on page 2-21
• --default_extension=ext on page 2-38
• --depend=filename on page 2-40
• --depend_format=string on page 2-41
• -E on page 2-52
• --interleave on page 2-76
• --list on page 2-82
• --md on page 2-89
• -S on page 2-114.
2.1.120 -Onum
This option specifies the level of optimization to be used when compiling source files.
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