Cant build on a Fedora 21 **i686** about rtl8812au HOT 4 CLOSED

[jiv@Vulcan rtl8812au]$ cat /etc/os-release
NAME=Fedora
VERSION="21 (Twenty One)"
ID=fedora
VERSION_ID=21
PRETTY_NAME="Fedora 21 (Twenty One)"
ANSI_COLOR="0;34"
CPE_NAME="cpe:/o:fedoraproject:fedora:21"
HOME_URL="https://fedoraproject.org/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=21
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=21
[jiv@Vulcan rtl8812au]$ cat /etc/redhat-release
Fedora release 21 (Twenty One)

Works for me: last few lines
Building modules, stage 2.
MODPOST 1 modules
CC /home/jiv/Downloads/rtl8812au/8812au.mod.o
LD [M] /home/jiv/Downloads/rtl8812au/8812au.ko
make[1]: Leaving directory '/usr/src/kernels/3.19.3-200.fc21.x86_64'

[jiv@Vulcan rtl8812au]$ yum info kernel-devel
Loaded plugins: langpacks
Installed Packages
Name : kernel-devel
Arch : x86_64
Version : 3.17.4
Release : 301.fc21
Size : 34 M
Repo : installed
From repo : fedora
Summary : Development package for building kernel modules to match the
: kernel
URL : http://www.kernel.org/
License : GPLv2 and Redistributable, no modification permitted
Description : This package provides kernel headers and makefiles sufficient to
: build modules against the kernel package.

Name : kernel-devel
Arch : x86_64
Version : 3.19.3
Release : 200.fc21
Size : 35 M
Repo : installed
From repo : updates
Summary : Development package for building kernel modules to match the
: kernel
URL : http://www.kernel.org/
License : GPLv2 and Redistributable, no modification permitted
Description : This package provides kernel headers and makefiles sufficient to
: build modules against the kernel package.
[jiv@Vulcan rtl8812au]$ yum info kernel-headers
Loaded plugins: langpacks
Installed Packages
Name : kernel-headers
Arch : x86_64
Version : 3.19.3
Release : 200.fc21
Size : 3.3 M
Repo : installed
From repo : updates
Summary : Header files for the Linux kernel for use by glibc
URL : http://www.kernel.org/
License : GPLv2 and Redistributable, no modification permitted
Description : Kernel-headers includes the C header files that specify the
: interface between the Linux kernel and userspace libraries and
: programs. The header files define structures and constants that
: are needed for building most standard programs and are also needed
: for rebuilding the glibc package.

from rtl8812au.

Please make sure kernel headers and kernel-devel is installed.

from rtl8812au.

I can see x86_64 architecture, but my architecture is i686. It's a little bit old, but still supported. And yes kernel-headers and kernel-devel are installed on my computer.

from rtl8812au.

But it works very well on my 64 bits PC

from rtl8812au.