analog: Fix [Linux]
analog: Fix [Linux]

* Link against -lm to fix error: undefined reference to `cos'
* Disable other macOS-specific Make rules
* Depend on zlib; it's not strictly necessary but clearly
  was intended to be used.

Signed-off-by: Bob W. Hogg <rwhogg@linux.com>

Closes Linuxbrew/homebrew-core#4030.

Signed-off-by: Michka Popoff <7b0496f66f66ee22a38826c310c38b415671b832@gmail.com>

maxim-belkin/homebrew-core,LinuxbrewTestBot/homebrew-core,LinuxbrewTestBot/homebrew-core,rwhogg/homebrew-core,Linuxbrew/homebrew-core,maxim-belkin/homebrew-core,Linuxbrew/homebrew-core,rwhogg/homebrew-core