Re: Dual-mode makefile? 32 and 64 bit

"Gisle Vanem" <[email protected]> Sat, 21 Mar 2009 14:08:43 +0100
Newsgroups gmane.comp.gnu.utils
Message-ID <[email protected]>
<[email protected]> wrote:

> I want to avoid learning autoconf/automake and simply
> create a makefile that will be able to detect whether
> my Linux box is 64 bit or not.
> After some perusing of the make manual however
> I am finding no easy answers.

Something like:

LBITS := $(shell getconf LONG_BIT)
ifeq ($(LBITS),64)
   # do 64 bit stuff here
else
   # do 32 bit stuff here
endif

--gv