cmake/modules/FindPCRE.cmake

   1 #.rst:
   2 # FindPCRE
   3 # --------
   4 # Finds the PCRECPP library
   5 #
   6 # This will define the following variables::
   7 #
   8 # PCRE_FOUND - system has libpcrecpp
   9 # PCRE_INCLUDE_DIRS - the libpcrecpp include directory
  10 # PCRE_LIBRARIES - the libpcrecpp libraries
  11 # PCRE_DEFINITIONS - the libpcrecpp definitions
  12 #
  13 # and the following imported targets::
  14 #
  15 #   PCRE::PCRECPP - The PCRECPP library
  16 #   PCRE::PCRE    - The PCRE library
  17
  18 if(NOT PCRE::PCRE)
  19   if(ENABLE_INTERNAL_PCRE)
  20     include(cmake/scripts/common/ModuleHelpers.cmake)
  21
  22     set(MODULE_LC pcre)
  23
  24     SETUP_BUILD_VARS()
  25
  26     # Check for existing PCRE. If version >= PCRE-VERSION file version, dont build
  27     find_package(PCRE CONFIG QUIET)
  28
  29     if(PCRE_VERSION VERSION_LESS ${${MODULE}_VER})
  30
  31       set(PCRE_VERSION ${${MODULE}_VER})
  32       set(PCRE_DEBUG_POSTFIX d)
  33
  34       set(patches "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/001-all-cmakeconfig.patch"
  35                   "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/002-all-enable_docs_pc.patch"
  36                   "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/003-all-postfix.patch"
  37                   "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/004-win-pdb.patch"
  38                   "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/jit_aarch64.patch")
  39
  40       if(CORE_SYSTEM_NAME STREQUAL darwin_embedded)
  41         list(APPEND patches "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/tvos-bitcode-fix.patch"
  42                             "${CORE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/ios-clear_cache.patch")
  43       endif()
  44
  45       generate_patchcommand("${patches}")
  46
  47       set(CMAKE_ARGS -DPCRE_NEWLINE=ANYCRLF
  48                      -DPCRE_NO_RECURSE=ON
  49                      -DPCRE_MATCH_LIMIT_RECURSION=1500
  50                      -DPCRE_SUPPORT_JIT=ON
  51                      -DPCRE_SUPPORT_PCREGREP_JIT=ON
  52                      -DPCRE_SUPPORT_UTF=ON
  53                      -DPCRE_SUPPORT_UNICODE_PROPERTIES=ON
  54                      -DPCRE_SUPPORT_LIBZ=OFF
  55                      -DPCRE_SUPPORT_LIBBZ2=OFF
  56                      -DPCRE_BUILD_PCREGREP=OFF
  57                      -DPCRE_BUILD_TESTS=OFF)
  58
  59       if(WIN32 OR WINDOWS_STORE)
  60         list(APPEND CMAKE_ARGS -DINSTALL_MSVC_PDB=ON)
  61       elseif(CORE_SYSTEM_NAME STREQUAL android)
  62         # CMake CheckFunctionExists incorrectly detects strtoq for android
  63         list(APPEND CMAKE_ARGS -DHAVE_STRTOQ=0)
  64       endif()
  65
  66       # populate PCRECPP lib without a separate module
  67       if(NOT CORE_SYSTEM_NAME MATCHES windows)
  68         # Non windows platforms have a lib prefix for the lib artifact
  69         set(_libprefix "lib")
  70       endif()
  71       # regex used to get platform extension (eg lib for windows, .a for unix)
  72       string(REGEX REPLACE "^.*\\." "" _LIBEXT ${${MODULE}_BYPRODUCT})
  73       set(PCRECPP_LIBRARY_DEBUG ${DEP_LOCATION}/lib/${_libprefix}pcrecpp${${MODULE}_DEBUG_POSTFIX}.${_LIBEXT})
  74       set(PCRECPP_LIBRARY_RELEASE ${DEP_LOCATION}/lib/${_libprefix}pcrecpp.${_LIBEXT})
  75
  76       BUILD_DEP_TARGET()
  77
  78     else()
  79       # Populate paths for find_package_handle_standard_args
  80       find_path(PCRE_INCLUDE_DIR pcre.h)
  81
  82       find_library(PCRECPP_LIBRARY_RELEASE NAMES pcrecpp)
  83       find_library(PCRECPP_LIBRARY_DEBUG NAMES pcrecppd)
  84
  85       find_library(PCRE_LIBRARY_RELEASE NAMES pcre)
  86       find_library(PCRE_LIBRARY_DEBUG NAMES pcred)
  87     endif()
  88   else()
  89
  90     if(PKG_CONFIG_FOUND)
  91       pkg_check_modules(PC_PCRE libpcrecpp QUIET)
  92     endif()
  93
  94     find_path(PCRE_INCLUDE_DIR pcrecpp.h
  95                                PATHS ${PC_PCRE_INCLUDEDIR})
  96     find_library(PCRECPP_LIBRARY_RELEASE NAMES pcrecpp
  97                                          PATHS ${PC_PCRE_LIBDIR})
  98     find_library(PCRE_LIBRARY_RELEASE NAMES pcre
  99                                       PATHS ${PC_PCRE_LIBDIR})
 100     find_library(PCRECPP_LIBRARY_DEBUG NAMES pcrecppd
 101                                        PATHS ${PC_PCRE_LIBDIR})
 102     find_library(PCRE_LIBRARY_DEBUG NAMES pcred
 103                                        PATHS ${PC_PCRE_LIBDIR})
 104     set(PCRE_VERSION ${PC_PCRE_VERSION})
 105
 106   endif()
 107
 108   include(SelectLibraryConfigurations)
 109   select_library_configurations(PCRECPP)
 110   select_library_configurations(PCRE)
 111
 112   include(FindPackageHandleStandardArgs)
 113   find_package_handle_standard_args(PCRE
 114                                     REQUIRED_VARS PCRECPP_LIBRARY PCRE_LIBRARY PCRE_INCLUDE_DIR
 115                                     VERSION_VAR PCRE_VERSION)
 116
 117   if(PCRE_FOUND)
 118     set(PCRE_LIBRARIES ${PCRECPP_LIBRARY} ${PCRE_LIBRARY})
 119     set(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
 120     if(WIN32)
 121       set(PCRE_DEFINITIONS -DPCRE_STATIC=1)
 122     endif()
 123
 124     if(NOT TARGET PCRE::PCRE)
 125       add_library(PCRE::PCRE UNKNOWN IMPORTED)
 126       if(PCRE_LIBRARY_RELEASE)
 127         set_target_properties(PCRE::PCRE PROPERTIES
 128                                          IMPORTED_CONFIGURATIONS RELEASE
 129                                          IMPORTED_LOCATION "${PCRE_LIBRARY_RELEASE}")
 130       endif()
 131       if(PCRE_LIBRARY_DEBUG)
 132         set_target_properties(PCRE::PCRE PROPERTIES
 133                                          IMPORTED_CONFIGURATIONS DEBUG
 134                                          IMPORTED_LOCATION "${PCRE_LIBRARY_DEBUG}")
 135       endif()
 136       set_target_properties(PCRE::PCRE PROPERTIES
 137                                        INTERFACE_INCLUDE_DIRECTORIES "${PCRE_INCLUDE_DIR}")
 138       if(WIN32)
 139         set_target_properties(PCRE::PCRE PROPERTIES
 140                                          INTERFACE_COMPILE_DEFINITIONS PCRE_STATIC=1)
 141       endif()
 142
 143     endif()
 144     if(NOT TARGET PCRE::PCRECPP)
 145       add_library(PCRE::PCRECPP UNKNOWN IMPORTED)
 146       if(PCRE_LIBRARY_RELEASE)
 147         set_target_properties(PCRE::PCRECPP PROPERTIES
 148                                             IMPORTED_CONFIGURATIONS RELEASE
 149                                             IMPORTED_LOCATION "${PCRECPP_LIBRARY_RELEASE}")
 150       endif()
 151       if(PCRE_LIBRARY_DEBUG)
 152         set_target_properties(PCRE::PCRECPP PROPERTIES
 153                                             IMPORTED_CONFIGURATIONS DEBUG
 154                                             IMPORTED_LOCATION "${PCRECPP_LIBRARY_DEBUG}")
 155       endif()
 156       set_target_properties(PCRE::PCRECPP PROPERTIES
 157                                           INTERFACE_LINK_LIBRARIES PCRE::PCRE)
 158     endif()
 159     if(TARGET pcre)
 160       add_dependencies(PCRE::PCRE pcre)
 161     endif()
 162     set_property(GLOBAL APPEND PROPERTY INTERNAL_DEPS_PROP PCRE::PCRE)
 163   else()
 164     if(PCRE_FIND_REQUIRED)
 165       message(FATAL_ERROR "PCRE not found. Possibly use -DENABLE_INTERNAL_PCRE=ON to build PCRE")
 166     endif()
 167   endif()
 168
 169   mark_as_advanced(PCRE_INCLUDE_DIR PCRECPP_LIBRARY PCRE_LIBRARY)
 170 endif()