File: FindOSS.cmake

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# cmake-format: off
# Try to find OSS on a *nix system
#
# OSS_FOUND        - True if OSS is available OSS_INCLUDE_DIR  - Include
# directory of OSS header OSS_HEADER_NAME  - OSS header file name
#
# cmake-format: on

if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
  set(OSS_HEADER_NAME "sys/soundcard.h")
elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly")
  set(OSS_HEADER_NAME "sys/soundcard.h")
endif()

find_path(OSS_INCLUDE_DIR "${OSS_HEADER_NAME}" "/usr/include" "/usr/local/include")

if(OSS_INCLUDE_DIR)
  set(OSS_FOUND True)
else(OSS_INCLUDE_DIR)
  set(OSS_FOUND)
endif(OSS_INCLUDE_DIR)

if(OSS_FOUND)
  message(STATUS "Found OSS header: ${OSS_INCLUDE_DIR}/${OSS_HEADER_NAME}")
else(OSS_FOUND)
  if(OSS_FIND_REQUIRED)
    message(FATAL_ERROR "Could not find OSS header file")
  endif(OSS_FIND_REQUIRED)
endif(OSS_FOUND)

mark_as_advanced(OSS_FOUND OSS_INCLUDE_DIR OSS_HEADER_NAME)

if(OSS_FOUND AND NOT TARGET OSS::OSS)
  add_library(OSS::OSS INTERFACE IMPORTED)
  set_target_properties(OSS::OSS PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${OSS_INCLUDE_DIR}")
endif()