git.m6w6.name Git - awesomized/libmemcached/blob - CMake/CheckDependency.cmake

   1 find_package(PkgConfig)
   2
   3 include(SafeString)
   4 include(CheckHeader)
   5
   6 function(check_dependency_basic NAME LIB HEADER)
   7         set(FOUND 1)
   8         message("-- Checking for library '${LIB}' with header '${HEADER}' ...")
   9         find_library(LIB${LIB} NAMES ${LIB})
  10         if(NOT LIB${LIB})
  11                 set(FOUND 0)
  12         endif()
  13         if(HEADER)
  14                 safe_string(${HEADER} HEADER_CONST)
  15                 check_header(${HEADER})
  16                 if(NOT HAVE_${HEADER_CONST})
  17                         set(FOUND 0)
  18                 else()
  19                         find_path(${HEADER_CONST}_ROOT ${HEADER})
  20                         if(NOT ${HEADER_CONST}_ROOT)
  21                                 set(FOUND 0)
  22                         endif()
  23                 endif()
  24         endif()
  25         if(FOUND)
  26                 message("--   Found library '${LIB${LIB}}'")
  27                 message("--   Found include '${${HEADER_CONST}_ROOT}'")
  28         add_library(${NAME} INTERFACE IMPORTED)
  29         set_target_properties(${NAME} PROPERTIES
  30                 INTERFACE_INCLUDE_DIRECTORIES ${${HEADER_CONST}_ROOT}
  31                 INTERFACE_LINK_LIBRARIES ${LIB${LIB}})
  32         else()
  33                 message("--   No library '${LIB}' found")
  34         endif()
  35         set(${NAME}_FOUND ${FOUND} PARENT_SCOPE)
  36 endfunction()
  37
  38 function(check_dependency NAME LIB HEADER)
  39     if(PKG_CONFIG_FOUND)
  40         pkg_check_modules(${NAME} lib${LIB}${ARGN} IMPORTED_TARGET)
  41         if(NOT ${NAME}_FOUND)
  42             pkg_check_modules(${NAME} ${LIB}${ARGN})
  43         endif()
  44         if(${NAME}_FOUND)
  45             add_library(${NAME} ALIAS PkgConfig::${NAME})
  46         endif()
  47     endif()
  48     if(NOT ${NAME}_FOUND)
  49         check_dependency_basic(${NAME} ${LIB} ${HEADER})
  50     endif()
  51
  52     set(HAVE_${NAME} ${${NAME}_FOUND} PARENT_SCOPE)
  53     if(${NAME}_FOUND)
  54         safe_string(${HEADER} HEADER_CONST)
  55         find_path(HAVE_${HEADER_CONST} ${HEADER} PATHS ${${NAME}_INCLUDEDIR})
  56     endif()
  57 endfunction()