cmake/modules/FindPCRE2.cmake

   1 #
   2 # - Find PCRE2 libraries
   3 #
   4 #  PCRE2_INCLUDE_DIRS       - where to find PCRE2 headers.
   5 #  PCRE2_LIBRARIES          - List of libraries when using PCRE2.
   6 #  PCRE2_FOUND              - True if PCRE2 is found.
   7 #  PCRE2_RELEASE_DLL_DIR    - (Windows) Path to the PCRE2 release DLL
   8 #  PCRE2_RELEASE_DLL        - (Windows) Name of the PCRE2 release DLL
   9 #  PCRE2_DEBUG_DLL_DIR      - (Windows) Path to the PCRE2 debug DLL
  10 #  PCRE2_DEBUG_DLL          - (Windows) Name of the PCRE2 debug DLL
  11
  12 # Note that the "8" in "libpcre2-8" refers to "PCRE library version 2 with
  13 # support for 8-bit code units".
  14
  15 include( FindWSWinLibs )
  16 # PCRE2 is included with GLib2
  17 FindWSWinLibs( "vcpkg-export-.*" "PCRE2_HINTS" )
  18
  19 if( NOT USE_REPOSITORY)
  20         find_package(PkgConfig QUIET)
  21         pkg_search_module(PC_PCRE2 QUIET "libpcre2-8")
  22 endif()
  23
  24 find_path(PCRE2_INCLUDE_DIR
  25         NAMES
  26                 pcre2.h
  27         HINTS
  28                 ${PC_PCRE2_INCLUDE_DIRS}
  29                 ${PCRE2_HINTS}/include
  30 )
  31
  32 find_library(PCRE2_LIBRARY
  33         NAMES
  34                 pcre2-8
  35         HINTS
  36                 ${PC_PCRE2_LIBRARY_DIRS}
  37                 ${PCRE2_HINTS}/lib
  38 )
  39
  40 if (USE_REPOSITORY)
  41         find_library(PCRE2_DEBUG_LIBRARY
  42                 NAMES
  43                         pcre2-8d
  44                 HINTS
  45                         ${PCRE2_HINTS}/debug/lib
  46         )
  47 else()
  48         set (PCRE2_DEBUG_LIBRARY ${PCRE2_LIBRARY} CACHE FILEPATH "PCRE2 library")
  49 endif()
  50
  51 include(FindPackageHandleStandardArgs)
  52 find_package_handle_standard_args(PCRE2
  53         REQUIRED_VARS   PCRE2_LIBRARY PCRE2_INCLUDE_DIR
  54         VERSION_VAR     PC_PCRE2_VERSION
  55 )
  56
  57 if(PCRE2_FOUND)
  58         set(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
  59         set(PCRE2_DEBUG_LIBRARIES ${PCRE2_DEBUG_LIBRARY})
  60         set(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
  61         if (USE_REPOSITORY)
  62                 set (PCRE2_RELEASE_DLL_DIR "${PCRE2_HINTS}/bin"
  63                         CACHE PATH "Path to PCRE2 release DLL"
  64                 )
  65                 file(GLOB _pcre2_release_dll RELATIVE "${PCRE2_RELEASE_DLL_DIR}"
  66                         "${PCRE2_RELEASE_DLL_DIR}/pcre2-8*.dll"
  67                 )
  68                 set (PCRE2_RELEASE_DLL ${_pcre2_release_dll}
  69                         # We're storing filenames only. Should we use STRING instead?
  70                         CACHE FILEPATH "PCRE2 release DLL file name"
  71                 )
  72                 file(GLOB _pcre2_release_pdb RELATIVE "${PCRE2_RELEASE_DLL_DIR}"
  73                         "${PCRE2_RELEASE_DLL_DIR}/pcre2-8*.pdb"
  74                 )
  75                 set (PCRE2_RELEASE_PDB ${_pcre2_release_pdb}
  76                         CACHE FILEPATH "PCRE2 release PDB file name"
  77                 )
  78
  79                 set (PCRE2_DEBUG_DLL_DIR "${PCRE2_HINTS}/debug/bin"
  80                         CACHE PATH "Path to PCRE2 debug DLL"
  81                 )
  82                 file(GLOB _pcre2_debug_dll RELATIVE "${PCRE2_DEBUG_DLL_DIR}"
  83                         "${PCRE2_DEBUG_DLL_DIR}/pcre2-8d*.dll"
  84                 )
  85                 set (PCRE2_DEBUG_DLL ${_pcre2_debug_dll}
  86                         # We're storing filenames only. Should we use STRING instead?
  87                         CACHE FILEPATH "PCRE2 debug DLL file name"
  88                 )
  89                 file(GLOB _pcre2_debug_pdb RELATIVE "${PCRE2_DEBUG_DLL_DIR}"
  90                         "${PCRE2_DEBUG_DLL_DIR}/pcre2-8d*.pdb"
  91                 )
  92                 set (PCRE2_DEBUG_PDB ${_pcre2_debug_pdb}
  93                         CACHE FILEPATH "PCRE2 debug PDB file name"
  94                 )
  95                 mark_as_advanced(PCRE2_RELEASE_DLL_DIR PCRE2_RELEASE_DLL PCRE2_PDB PCRE2_DEBUG_DLL_DIR PCRE2_DEBUG_DLL)
  96         endif()
  97 else()
  98         set(PCRE2_LIBRARIES)
  99         set(PCRE2_INCLUDE_DIRS)
 100 endif()
 101
 102 mark_as_advanced(PCRE2_LIBRARIES PCRE2_INCLUDE_DIRS)