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Compiler Command-line Options
See also
• --pch on page 2-101
• --pch_dir=dir on page 2-101
• --pch_messages, --no_pch_messages on page 2-102
• --pch_verbose, --no_pch_verbose on page 2-102
• --use_pch=filename on page 2-129
• #pragma hdrstop on page 4-64
• #pragma no_pch on page 4-67
• Precompiled header files on page 2-17 in the Compiler User Guide.
2.1.35 -Dname[(parm-list)][=def]
This option defines the macro name.
Syntax
-Dname[(parm-list)][=def]
Where:
name
parm-list
Is the name of the macro to be defined.
Is an optional list of comma-separated macro parameters. By appending
a macro parameter list to the macro name, you can define function-style
macros.
The parameter list must be enclosed in parentheses. When specifying
multiple parameters, do not include spaces between commas and
parameter names in the list.
Note
Parentheses might require escaping on UNIX systems.
=def
Is an optional macro definition.
If =def is omitted, the compiler defines name as the value 1.
To include characters recognized as tokens on the command line, enclose
the macro definition in double quotes.
Usage
Specifying -Dname has the same effect as placing the text #define name at the head of
each source file.
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