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AN3350

Using build tools

Doc ID 018512 Rev 2

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tool -help usage

where tool is the name of the eTPU build tools.

2.3.1

Parameter formats

Parameters in an option are formatted as follows:

●

A parameter included in brackets “[]” is optional.

●

Use of the ellipsis “...” character indicates that the previous type of parameter may be

repeated as a list.

2.3.2

Option formats

Options are formatted as follows:

●

For most options, the option and the parameters are separated by a space as in

“-xxx param”.

●

When the option’s name is “-xxx+”, however, the parameter must directly follow the

option, without the “+” character (as in “-xxx45”) and with no space separator.

●

An option given as “-[no]xxx” may be issued as “-xxx” or “-noxxx”.

●

The use of “-noxxx” reverses the meaning of the option.

●

When an option is specified as “-xxx | yy[y] | zzz”, then either “-xxx”,

“-yy”, “-yyy”, or “-zzz” matches the option.

●

The symbols “,” and “=” separate options and parameters unconditionally; to include

one of these symbols in a parameter or filename, escape it (e.g., as “\,” in mwcc

file.c\,v)

2.3.3

Common terms

These common terms appear in many option descriptions:

●

A “cased” option is considered case-sensitive. By default, no options are case-

sensitive.

●

“Compatibility” indicates that the option is borrowed from another vendor’s tool and its

behavior may only approximate its counterpart.

●

A “global” option has an effect over the entire command line and is parsed before any

other options. When several global options are specified, they are interpreted in order.

●

A “deprecated” option will be eliminated in the future and should no longer be used. An

alternative form is supplied.

●

An “ignored” option is accepted by the tool but has no effect.

●

A “meaningless” option is accepted by the tool but probably has no meaning for the

target operating system.

●

An “obsolete” option indicates a deprecated option that is no longer available.

●

A “substituted” option has the same effect as another option. This points out a preferred

form and prevents confusion when similar options appear in the help.

●

Use of “default” in the help text indicates that the given value or variation of an option is

used unless otherwise overridden.

This tool calls the linker (unless a compiler option such as -c prevents it) and understands

linker options – use “-help tool=other” to see them. Options marked “passed to linker”

are used by the compiler and the linker; options marked “for linker” are used only by the

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