Convert to CMake, fix terminal resize behaviour

Fucking terminals, always broken in one way or another.

For future reference, libedit acts even worse than readline.

cmake/FindLibEV.cmake

@@ -0,0 +1,18 @@
+# Public Domain
+
+# The author of libev is a dick and doesn't want to add support for pkg-config,
+# forcing us to include this pointless file in the distribution.
+
+# Some distributions do add it, though
+find_package (PkgConfig REQUIRED)
+pkg_check_modules (LIBEV QUIET libev)
+
+if (NOT LIBEV_FOUND)
+	find_path (LIBEV_INCLUDE_DIRS ev.h)
+	find_library (LIBEV_LIBRARIES NAMES ev)
+
+	if (LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
+		set (LIBEV_FOUND TRUE)
+	endif (LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
+endif (NOT LIBEV_FOUND)
+