software_spec: process macOS versions on Linux.
software_spec: process macOS versions on Linux.

This module doesn't actually have any behaviour that's problematic at
runtime on Linux so we may as well use it to properly sort macOS
versions there.

reitermarkus/brew,jmsundar/brew,mahori/brew,mgrimes/brew,rwhogg/brew,bfontaine/brew,JCount/brew,DomT4/brew,MikeMcQuaid/brew,pseudocody/brew,mgrimes/brew,hanxue/linuxbrew,nandub/brew,mahori/brew,EricFromCanada/brew,aw1621107/brew,DomT4/brew,nandub/brew,gregory-nisbet/brew,palxex/brew,bfontaine/brew,Homebrew/brew,alyssais/brew,maxim-belkin/brew,nandub/brew,EricFromCanada/brew,tonyg/homebrew,ilovezfs/brew,MikeMcQuaid/brew,palxex/brew,JCount/brew,konqui/brew,ilovezfs/brew,JCount/brew,tonyg/homebrew,rwhogg/brew,vitorgalvao/brew,jmsundar/brew,muellermartin/dist,zmwangx/brew,palxex/brew,konqui/brew,Linuxbrew/brew,amar-laksh/brew_sudo,MikeMcQuaid/brew,muellermartin/dist,mahori/brew,DomT4/brew,tonyg/homebrew,konqui/brew,vitorgalvao/brew,gregory-nisbet/brew,MikeMcQuaid/brew,jmsundar/brew,amar-laksh/brew_sudo,sjackman/homebrew,zmwangx/brew,mahori/brew,aw1621107/brew,ilovezfs/brew,reelsense/brew,vitorgalvao/brew,sjackman/homebrew,nandub/brew,reitermarkus/brew,Homebrew/brew,muellermartin/dist,alyssais/brew,hanxue/linuxbrew,sjackman/homebrew,reelsense/brew,rwhogg/brew,sjackman/homebrew,vitorgalvao/brew,maxim-belkin/brew,Homebrew/brew,EricFromCanada/brew,mgrimes/brew,Linuxbrew/brew,maxim-belkin/brew,Linuxbrew/brew,reelsense/brew,alyssais/brew,zmwangx/brew,hanxue/linuxbrew,claui/brew,claui/brew,Linuxbrew/brew,reitermarkus/brew,claui/brew,DomT4/brew,Homebrew/brew,aw1621107/brew,EricFromCanada/brew,JCount/brew,claui/brew,pseudocody/brew,konqui/brew,reitermarkus/brew,amar-laksh/brew_sudo,pseudocody/brew,gregory-nisbet/brew,bfontaine/brew