Make-question - redefine a macro, using another macro..?
I think there is no problem to use any macro in a new macro definishion, but I have a problem with that.
I can not understand why?
I have a *.mak file that inludes file with many definitions and rules.
One of the declarations I need to change, adding some options
Thant is
In my make-file on begining I do that:
and proces it. - Have an error:
What is wrong?
I have tryed with temporary reassigning, but the same result:
Upreciate your help!
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Here's what I put: map #I ^[
^ [ is control-v and the escape key.
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Hi,
In my application I have some number c files. In each of the file the following line will be the first statement.
#ident "@(#) set.c 14.1.2.2 05/15/01 17:06:32"
I would like to know what is the use of the above statement.
Thanks
Sarwan (1 Reply)
Linux, C++, make, macro
In source code, we used some #ifdef macros. How can I enable #ifdef macro in the command line of "make" (NOTE: I do NOT want to change source code or makefile to define that macro from time to time).
e.g. test.cpp:
...
#ifdef TEST1
// code segment for test1
...... (3 Replies)
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Can some body explain this part in a header file for me?
#include <limits.h>
#define BIGNUM unsigned long long
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......I have hard time for the second part:
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Discussion started by: yifangt
1 Replies
LEARN ABOUT HPUX
isinf
isinf(3M)isinf(3M)NAME
isinf() - floating-point test for infinity
SYNOPSIS DESCRIPTION
The macro determines whether its argument is an infinity. The argument must be of floating type, and classification is based on the type
of the argument. For HP Integrity servers, the argument can be any floating type. For PA-RISC, the argument must be either or
The macro replaces the and functions, which are obsolete and are no longer supported.
USAGE
To use the macro, compile either with the default option or with the and options. Make sure your program includes Link in the math library
by specifying on the compiler or linker command line.
RETURN VALUE
The macro returns a nonzero value if x is Otherwise, it returns zero. The macro raises no floating-point exceptions.
ERRORS
No errors are defined.
EXAMPLES
Take certain actions if is infinity:
SEE ALSO fpclassify(3M), isfinite(3M), isnan(3M), isnormal(3M), signbit(3M), math(5).
STANDARDS CONFORMANCE isinf(3M)