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${LIB}}'")
  27                 message("--   Found include '${${HEADER_CONST}_ROOT}'")
  28         else()
  29                 message("--   No library '${LIB}' found")
  30         endif()
  31         set(${NAME} ${FOUND} PARENT_SCOPE)
  32         set(${NAME}_LIBRARIES ${LIB${LIB}} PARENT_SCOPE)
  33         set(${NAME}_INCLUDEDIR ${${HEADER_CONST}_ROOT} PARENT_SCOPE)
  34 endfunction()
  35
  36 function(check_dependency NAME LIB HEADER)
  37     if(PKG_CONFIG_FOUND)
  38         pkg_check_modules(${NAME} lib${LIB}${ARGN} IMPORTED_TARGET)
  39         if(NOT ${NAME}_FOUND)
  40             pkg_check_modules(${NAME} ${LIB}${ARGN})
  41         endif()
  42                 if(NOT ${NAME}_FOUND)
  43                         check_dependency_basic(${NAME} ${LIB} ${HEADER})
  44                 else()
  45                         set(${NAME} ${${NAME}_FOUND} PARENT_SCOPE)
  46                         set(${NAME}_LIBRARIES ${${NAME}_LDFLAGS} PARENT_SCOPE)
  47                         set(${NAME}_INCLUDEDIR ${${NAME}_INCLUDEDIR} PARENT_SCOPE)
  48
  49                         safe_string(${LIB} LIB_CONST)
  50                         set(HAVE_${NAME} ${${NAME}_FOUND} PARENT_SCOPE)
  51                         safe_string(${HEADER} HEADER_CONST)
  52                         find_path(HAVE_${HEADER_CONST} ${HEADER} PATHS ${${NAME}_INCLUDEDIR})
  53                 endif()
  54     else()
  55                 check_dependency_basic(${NAME} ${LIB} ${HEADER})
  56     endif()
  57 endfunction()