Re: Cross compiling coreutils to 32 bit

[Assaf Gordon]

Hello,

On Wed, Feb 14, 2018 at 09:59:13AM +0200, Kevin Wilson wrote:
> I am trying to cross compile coreutils-8.27 to 32 bit on
> x86_64 machine under Fedora.
> 

I would recommend to following:

First,
Install "multilib" support. In debian/ubuntu, the command is:
   apt-get install gcc-multilib g++-multilib

With Fedora it should be something equivalent, see here:
   
https://www.cyberciti.biz/tips/compile-32bit-application-using-gcc-64-bit-linux.html


Then,
Assuming you are using gcc, use the following command:
  ./configure CPPFLAGS="-m32" LDFLAGS="-m32" TIME_T_32_BIT_OK=yes
  make

The resulting binaries will then be 32-bit.

The TIME_T_32_BIT_OK is needed due to a recent change that checks
for 64-bit time_t variable.

HTH,
 - assaf