```cmake
include(compilation)
include(deps)

if (APPLE)
  include(mac)
endif()

if (LINUX)
  include(linux)
endif()

if (WIN32)
  include(win)
endif()```

Fix so LINUX can be used to check OS.
user
```cmake
include(compilation)
include(deps)

if (APPLE)
  include(mac)
endif()

if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
  SET(LINUX 1)
endif()
if (LINUX)
  include(linux)
endif()

if (WIN32)
  include(win)
endif()```
assistant