Fixing vaapi-vdpau build with newer mesa.
Note about the source of previous build fix in glext85
shishi: fix compilation on darwin
guile: remove gcc_s dep, skip check on darwin
irssi: fix build on darwin

* use `gccApple` (so we can cope with `-no-cpp-precompile`)
* add `libintlOrEmpty`
sup: update to latest version
amdappsdk: Fix download urls and some other things, so derivations for older sdk versions now build succesfully
Merge pull request #651 from lovek323/shishi

shishi: fix compilation on darwin
Merge pull request #652 from lovek323/guile

guile: remove gcc_s dep, skip check on darwin
Merge pull request #653 from lovek323/irssi

irssi: fix build on darwin
Merge pull request #656 from offlinehacker/amdappsdk_fix

amdappsdk: Fix download urls and some other things, so derivations for older sdk versions now build succesfully
Merge pull request #654 from lovek323/sup

sup: update to latest version
haskell-ghc-heap-view: update to version 0.5.1
haskell-mongoDB: update to version 1.4.1
tarman: 1.0 -> 1.0.1
audacious: update 3.2.2 -> 3.3.4, now needs gtk3

Also build on Linux platforms.
Seems to work fine for me.
Chromedriver: update to 2.0

Signed-off-by: Shea Levy <shea@shealevy.com>
skype: update from 4.1.0.20 to 4.2.0.11
wpa_supplicant: update 1.1 -> 2.0

It works fine for me, GUI as well.