CMakeTests/CheckLib.cmake

   1 macro(check_lib var lib required)
   2         pkg_search_module(${var} ${lib})
   3         if(${var}_FOUND)
   4                 message("${lib} found")
   5         else()
   6                 find_library(${var} ${lib})
   7                 if(${var})
   8                         message("${lib} found")
   9                         set(${var}_FOUND 1 CACHE INTERNAL "")
  10                 else()
  11                         if(${required})
  12                                 message(FATAL_ERROR "${lib} is required but not found")
  13                         else()
  14                                 message("${lib} not found")
  15                         endif()
  16                 endif()
  17         endif()
  18 endmacro()
  19