doc/HelloWorld/FindPCRE.cmake

   1 ### SET THE LIBRARY EXTENSION AND GCC VERSION
   2 if(APPLE) #MAC
   3         set(LIB_EXE "dylib")
   4 else(APPLE)
   5     if(WIN32) #WINDOWS
   6         set(LIB_EXE "a")
   7         set(BIN_EXE ".exe")
   8     else(WIN32) #UNIX
   9             set(LIB_EXE "so")
  10     endif(WIN32)
  11 endif(APPLE)
  12
  13 find_library(PATH_PCRE_LIB
  14         NAMES pcre
  15     HINTS
  16     $ENV{LD_LIBRARY_PATH}
  17     $ENV{PCRE_LIBRARY_PATH}
  18     PATH_SUFFIXES lib/ GnuWin32/lib
  19     PATHS
  20     /opt
  21     /opt/local
  22     /opt/csw
  23     /sw
  24     /usr)
  25
  26 find_path(PATH_PCRE_H "pcre.h"
  27     HINTS
  28     $ENV{LD_LIBRARY_PATH}
  29     $ENV{PCRE_LIBRARY_PATH}
  30     PATH_SUFFIXES include/ GnuWin32/include
  31     PATHS
  32     /opt
  33     /opt/local
  34     /opt/csw
  35     /sw
  36     /usr)
  37
  38 set(HAVE_PCRE_LIB 0)
  39
  40 message(STATUS "Looking for pcre.h")
  41 if(PATH_PCRE_H)
  42 message(STATUS "Looking for pcre.h - found")
  43 else(PATH_PCRE_H)
  44 message(STATUS "Looking for pcre.h - not found")
  45 endif(PATH_PCRE_H)
  46
  47 message(STATUS "Looking for lib pcre")
  48 if(PATH_PCRE_LIB)
  49 message(STATUS "Looking for lib pcre - found")
  50 else(PATH_PCRE_LIB)
  51 message(STATUS "Looking for lib pcre - not found")
  52 endif(PATH_PCRE_LIB)
  53
  54 if(PATH_PCRE_LIB AND PATH_PCRE_H)
  55     string(REGEX REPLACE "/libpcre.*[.]${LIB_EXE}$" "" PATHLIBPCRE "${PATH_PCRE_LIB}")
  56     string(REGEX REPLACE "/pcre.h" "" PATH_PCRE_H "${PATH_PCRE_H}")
  57     string(REGEX MATCH "-L${PATHLIBPCRE} " operation "${CMAKE_C_FLAGS}")
  58         if(NOT operation)
  59             SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-L${PATHLIBPCRE} ")
  60         endif(NOT operation)
  61         string(REGEX MATCH "-I${PATH_PCRE_H} " operation "${CMAKE_C_FLAGS}")
  62         if(NOT operation)
  63             SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-I${PATH_PCRE_H} ")
  64         endif(NOT operation)
  65     set(HAVE_PCRE_LIB 1)
  66 else(PATH_PCRE_LIB)
  67     message(FATAL_ERROR "Please install the libpcre3-dev package or equivalent before using it.")
  68 endif(PATH_PCRE_LIB AND PATH_PCRE_H)
  69
  70 mark_as_advanced(PATH_PCRE_H)
  71 mark_as_advanced(PATH_PCRE_LIB)