CMakeScripts/FindPopt.cmake

   1 # - Try to find Popt
   2 # Once done this will define
   3 #
   4 #  POPT_FOUND - system has Popt
   5 #  POPT_INCLUDE_DIRS - the Popt include directory
   6 #  POPT_LIBRARIES - Link these to use Popt
   7 #  POPT_DEFINITIONS - Compiler switches required for using Popt
   8 #
   9 #  Copyright (c) 2008 Joshua L. Blocher <verbalshadow@gmail.com>
  10 #
  11 #  Redistribution and use is allowed according to the terms of the New
  12 #  BSD license.
  13 #  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
  14 #
  15
  16
  17 if (POPT_LIBRARIES AND POPT_INCLUDE_DIRS)
  18   # in cache already
  19   set(POPT_FOUND TRUE)
  20 else (POPT_LIBRARIES AND POPT_INCLUDE_DIRS)
  21   # use pkg-config to get the directories and then use these values
  22   # in the FIND_PATH() and FIND_LIBRARY() calls
  23   if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
  24     include(UsePkgConfig)
  25     pkgconfig(popt _POPT_INCLUDEDIR _POPT_LIBDIR _POPT_LDFLAGS _POPT_CFLAGS)
  26   else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
  27     find_package(PkgConfig)
  28     if (PKG_CONFIG_FOUND)
  29       pkg_check_modules(_POPT popt)
  30     endif (PKG_CONFIG_FOUND)
  31   endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
  32   find_path(POPT_INCLUDE_DIR
  33     NAMES
  34       popt.h
  35     PATHS
  36       ${_POPT_INCLUDEDIR}
  37       /usr/include
  38       /usr/local/include
  39       /opt/local/include
  40       /sw/include
  41     PATH_SUFFIXES
  42       popt
  43   )
  44
  45   find_library(POPT_LIBRARY
  46     NAMES
  47       popt
  48     PATHS
  49       ${_POPT_LIBDIR}
  50       /usr/lib
  51       /usr/local/lib
  52       /opt/local/lib
  53       /sw/lib
  54   )
  55
  56   if (POPT_LIBRARY)
  57     set(POPT_FOUND TRUE)
  58   endif (POPT_LIBRARY)
  59
  60   set(POPT_INCLUDE_DIRS
  61     ${POPT_INCLUDE_DIR}
  62   )
  63
  64   if (POPT_FOUND)
  65     set(POPT_LIBRARIES
  66       ${POPT_LIBRARIES}
  67       ${POPT_LIBRARY}
  68     )
  69   endif (POPT_FOUND)
  70
  71   if (POPT_INCLUDE_DIRS AND POPT_LIBRARIES)
  72      set(POPT_FOUND TRUE)
  73   endif (POPT_INCLUDE_DIRS AND POPT_LIBRARIES)
  74
  75   if (POPT_FOUND)
  76     if (NOT Popt_FIND_QUIETLY)
  77       message(STATUS "Found Popt: ${POPT_LIBRARIES}")
  78     endif (NOT Popt_FIND_QUIETLY)
  79   else (POPT_FOUND)
  80     if (Popt_FIND_REQUIRED)
  81       message(FATAL_ERROR "Could not find Popt")
  82     endif (Popt_FIND_REQUIRED)
  83   endif (POPT_FOUND)
  84
  85   # show the POPT_INCLUDE_DIRS and POPT_LIBRARIES variables only in the advanced view
  86   mark_as_advanced(POPT_INCLUDE_DIRS POPT_LIBRARIES)
  87
  88 endif (POPT_LIBRARIES AND POPT_INCLUDE_DIRS)
  89