cmake/modules/FindLibExpat.cmake

   1 # - Try to find LIBEXPAT
   2 # Once done this will define
   3 #
   4 #  LIBEXPAT_FOUND - system has LIBEXPAT
   5 #  LIBEXPAT_INCLUDE_DIR - the LIBEXPAT include directory
   6 #  LIBEXPAT_LIBRARIES - the libraries needed to use LIBEXPAT
   7 #  LIBEXPAT_DEFINITIONS - Compiler switches required for using LIBEXPAT
   8
   9 if (LIBEXPAT_INCLUDE_DIR AND LIBEXPAT_LIBRARIES)
  10
  11     # in cache already
  12     SET(LIBEXPAT_FOUND TRUE)
  13
  14 else (LIBEXPAT_INCLUDE_DIR AND LIBEXPAT_LIBRARIES)
  15
  16     IF (WIN32)
  17                 file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _progFiles)
  18                 find_FILE(LIBEXPAT_DIR expat Source/lib/expat.h
  19                         PATHS
  20                         "${_progFiles}"
  21                 )
  22         if (LIBEXPAT_DIR)
  23             set (_LIBEXPATIncDir  ${LIBEXPAT_DIR}/Source/lib)
  24             set (_LIBEXPATLinkDir ${LIBEXPAT_DIR}/libs)
  25         endif (LIBEXPAT_DIR)
  26     ELSE (WIN32)
  27         # use pkg-config to get the directories and then use these values
  28         # in the FIND_PATH() and FIND_LIBRARY() calls
  29         INCLUDE(UsePkgConfig)
  30         PKGCONFIG(LIBEXPAT-2.0 _LIBEXPATIncDir _LIBEXPATLinkDir _LIBEXPATLinkFlags _LiIconvCflags)
  31         SET(LIBEXPAT_DEFINITIONS ${_LIBEXPATCflags})
  32     ENDIF (WIN32)
  33
  34     FIND_PATH(LIBEXPAT_INCLUDE_DIR expat.h
  35       PATHS
  36      ${_LIBEXPATIncDir}
  37       PATH_SUFFIXES LIBEXPAT
  38     )
  39
  40     FIND_LIBRARY(LIBEXPAT_LIBRARIES NAMES expat libexpat
  41       PATHS
  42       ${_LIBEXPATLinkDir}
  43     )
  44
  45     if (LIBEXPAT_INCLUDE_DIR AND LIBEXPAT_LIBRARIES)
  46        set(LIBEXPAT_FOUND TRUE)
  47     endif (LIBEXPAT_INCLUDE_DIR AND LIBEXPAT_LIBRARIES)
  48
  49     if (LIBEXPAT_FOUND)
  50       if (NOT LIBEXPAT_FIND_QUIETLY)
  51         message(STATUS "Found libexpat: ${LIBEXPAT_LIBRARIES}")
  52       endif (NOT LIBEXPAT_FIND_QUIETLY)
  53     else (LIBEXPAT_FOUND)
  54       if (LIBEXPAT_FIND_REQUIRED)
  55         message(SEND_ERROR "Could NOT find libexpat")
  56       endif (LIBEXPAT_FIND_REQUIRED)
  57     endif (LIBEXPAT_FOUND)
  58
  59     MARK_AS_ADVANCED(LIBEXPAT_INCLUDE_DIR LIBEXPAT_LIBRARIES)
  60
  61 endif (LIBEXPAT_INCLUDE_DIR AND LIBEXPAT_LIBRARIES)