define in *.h file

[moongeegee]

There is a define in *.h file, and I wanted to undef it in Makefile.
Please shed a light.
tks

 

[sean_in_raleigh]

There is a define in *.h file, and I wanted to undef it in Makefile.
Please shed a light.
tks

You probably can't do this, since any macros you set
or unset on the command-line will be redefined
in the source file.

Your best bet is probably something like:

#ifdef SOME_FLAG
#undef SOME_MACRO
#endif

and then in your makefile say:

cc -DSOME_FLAG ...

or whatever the syntax is for your compiler.

Sean

 

[Juha Nieminen]

There is a define in *.h file, and I wanted to undef it in Makefile.

You can't. (At least not without modifying the source code you are
compiling.)