Re: Dual-mode makefile? 32 and 64 bit

[Gisle Vanem]

<camper.happy@rocketmail.com> 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