Removed the soft librt dependency for now, since we don't appear to need it, at least for Ubuntu 14.4. If that changes (for instance, if it's required by some non-Linux system or some other distro), we can always add it back.

test/lib/meson.build

@@ -32,13 +32,4 @@ if libui_OS == 'windows'
 				required: true),
 		]
 	endif
-elif libui_OS == 'darwin'
-	# do nothing
-else
-	libui_test_deps += [
-		# satisfy old versions of glibc
-		# TODO is this really needed?
-		meson.get_compiler('c').find_library('rt',
-			required: false),
-	]
 endif