# PCRE2
option(FUN_WITH_PCRE2 "Enable PCRE2 (Perl Compatible Regular Expressions) support" OFF)
set(PCRE2_INCLUDE_DIRS "")
set(PCRE2_LINK_LIBS "")
if(FUN_WITH_PCRE2)
  add_definitions(-DFUN_WITH_PCRE2)
  find_package(PkgConfig QUIET)
  if(PKG_CONFIG_FOUND)
    pkg_check_modules(PCRE2 QUIET libpcre2-8)
  endif()
  if(PCRE2_FOUND)
    list(APPEND PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIRS} ${PCRE2_INCLUDE_DIRS})
    list(APPEND PCRE2_LINK_LIBS ${PCRE2_LINK_LIBS} ${PCRE2_LIBRARIES})
  else()
    list(APPEND PCRE2_LINK_LIBS pcre2-8)
  endif()
endif()