Add powerpc arch

[mterron]

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Add powerpc arch to the build scripts.

[DL6ER]

Fixes #71

[mterron]

Just an observation. The generated binary is significantly larger than the one I got from compiling on GCC 4.9.2. Seem to work alright AFAIK.

root@MyBook-Live:~# file pihole-FTL-powerpc-linux-gnu $(which pihole-FTL)
pihole-FTL-powerpc-linux-gnu: ELF 32-bit MSB shared object, PowerPC or cisco 4500, version 1 (SYSV), dynamically linked, interpreter /lib/ld.so.1, for GNU/Linux 2.6.32, BuildID[sha1]=98a2b550f82ca20d8580ba3c9c0585802a9c0db0, not stripped
/usr/bin/pihole-FTL:          ELF 32-bit MSB shared object, PowerPC or cisco 4500, version 1 (SYSV), dynamically linked, interpreter /lib/ld.so.1, for GNU/Linux 2.6.32, BuildID[sha1]=684983a82263186ef118bea6e1c9738fa8b9b87b, not stripped
root@MyBook-Live:~# ls -lh pihole-FTL-powerpc-linux-gnu $(which pihole-FTL)
-rwxr-xr-x 1 root root 1.4M Jun 20 07:24 pihole-FTL-powerpc-linux-gnu
-rwxr-xr-x 1 root root 383K Jun 14 16:45 /usr/bin/pihole-FTL
root@MyBook-Live:~# gcc --version
gcc (Debian 4.9.2-10) 4.9.2
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[dschaper]

May be from the debugging symbols that we leave in the binary for gdb to be able to assist with any issues.

@DL6ER Am I vastly incorrect?

[mterron]

Ignore that, compiling the same version gives similar results. Seems that between pihole-FTL v2.8.2 and v2.9.2 the binary size grew from ~400kb to ~1.4MB.