thodg/libgit2/cmake/Modules/FindPCRE2.cmake

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• Hash : ce6d624a
  Author :
  Date : 2019-05-19T10:30:04
  

  regex: optionally use PCRE2
  
  Use PCRE2 and its POSIX compatibility layer if requested by the user.
  Although PCRE2 is adequate for our needs, the PCRE2 POSIX layer as
  installed on Debian and Ubuntu systems is broken, so we do not opt-in to
  it by default to avoid breaking users on those platforms.
  

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• cmake/Modules/FindPCRE2.cmake

• # Copyright (C) 2007-2009 LuaDist.
  # Created by Peter Kapec <kapecp@gmail.com>
  # Redistribution and use of this file is allowed according to the terms of the MIT license.
  # For details see the COPYRIGHT file distributed with LuaDist.
  #	Note:
  #		Searching headers and libraries is very simple and is NOT as powerful as scripts
  #		distributed with CMake, because LuaDist defines directories to search for.
  #		Everyone is encouraged to contact the author with improvements. Maybe this file
  #		becomes part of CMake distribution sometimes.
  
  # - Find pcre
  # Find the native PCRE2 headers and libraries.
  #
  # PCRE2_INCLUDE_DIRS	- where to find pcre.h, etc.
  # PCRE2_LIBRARIES	- List of libraries when using pcre.
  # PCRE2_FOUND	- True if pcre found.
  
  # Look for the header file.
  FIND_PATH(PCRE2_INCLUDE_DIR NAMES pcre2posix.h)
  
  # Look for the library.
  FIND_LIBRARY(PCRE2_LIBRARY NAMES pcre2-8)
  FIND_LIBRARY(PCRE2_POSIX_LIBRARY NAMES pcre2-posix)
  
  # Handle the QUIETLY and REQUIRED arguments and set PCRE2_FOUND to TRUE if all listed variables are TRUE.
  INCLUDE(FindPackageHandleStandardArgs)
  FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE2 DEFAULT_MSG PCRE2_LIBRARY PCRE2_POSIX_LIBRARY PCRE2_INCLUDE_DIR)
  
  # Copy the results to the output variables.
  IF(PCRE2_FOUND)
  	SET(PCRE2_LIBRARIES ${PCRE2_LIBRARY} ${PCRE2_POSIX_LIBRARY})
  	SET(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
  ELSE(PCRE2_FOUND)
  	SET(PCRE2_LIBRARIES)
  	SET(PCRE2_INCLUDE_DIRS)
  ENDIF(PCRE2_FOUND)
  
  MARK_AS_ADVANCED(PCRE2_INCLUDE_DIRS PCRE2_LIBRARIES)
  

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