The following macros are defined (or read from the environment variable) by NMAKE32 before the first file is read.

MAKEDIR

Current working directory when NMAKE32 is invoked.
MAKE
The name of the NMAKE32 program.
MAKEVER
The current NMAKE32 version number.
MAKEFLAGS
All command line parameters, plus the values form the MAKEFLAGS environment variable, except for b, f, o, p, and x options.
TIMESTAMP
Data and time when NMAKE32 was started. The format is locale specific.
DATE
Date from TIMESTAMP in the form: YYYYMMDD (for example, 19960325)
TIME
Time from TIMESTAMP in the form: HHMMSS (for example, 123015)
AS
Expands to the default assembler, which is "masm" on OS/2.
CC
Expands to the default C language compiler, which is "icc" on OS/2.
COBOL
Expands to the default cobol compiler, which is "cobol" on OS/2.
FOR
Expands to the default fortran compiler, which is "fl" on OS/2.
PASCAL
Expands to the default pascal compiler, which is "pl" on OS/2.
RC
Expands to "rc", the resource compiler, which is "rc" on OS/2.

The following macro, while not predefined by NMAKE32, also has special significance

.PATH.ext = path_list

where:

ext

is the extension for which the search path should be applied.
path_list
is the list of paths, separated by semicolons. Note that macros are expanded in this path list, so $(INCLUDE), $(DPATH), or any other macro or environment variable could be used.

The path_list is only used when a dependent file specification has no path and cannot be found as specified. NMAKE32 tries to locate the file in each of the paths specified in the path_list which matches that file's extension. It uses the first copy of the file found in the path list.

Any number of these macros (one per extension) may be defined in a description file, so that any or all of the file extensions that are specified in your description file may be supported.

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