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# - Try to find the PCRE regular expression library
# Once done this will define
#
# PCRE_FOUND - system has the PCRE library
# PCRE_INCLUDE_DIR - the PCRE include directory
# PCRE_LIBRARIES - The libraries needed to use PCRE
IF (DEFINED CACHED_PCRE)
# in cache already
IF ("${CACHED_PCRE}" STREQUAL "YES")
SET(PCRE_FOUND TRUE)
ENDIF ("${CACHED_PCRE}" STREQUAL "YES")
ELSE (DEFINED CACHED_PCRE)
FIND_PATH(PCRE_INCLUDE_DIR pcre.h
/usr/include/
/usr/local/include/
)
FIND_LIBRARY(PCRE_PCRE_LIBRARY NAMES pcre
PATHS
/usr/lib
/usr/local/lib
)
FIND_LIBRARY(PCRE_PCREPOSIX_LIBRARY NAMES pcreposix
PATHS
/usr/lib
/usr/local/lib
)
set(PCRE_LIBRARIES ${PCRE_PCRE_LIBRARY} ${PCRE_PCREPOSIX_LIBRARY} CACHE STRING "The libraries needed to use PCRE")
if (PCRE_INCLUDE_DIR AND PCRE_LIBRARIES)
set(PCRE_FOUND TRUE)
set(CACHED_PCRE "YES")
else (PCRE_INCLUDE_DIR AND PCRE_LIBRARIES)
set(CACHED_PCRE "NO")
endif (PCRE_INCLUDE_DIR AND PCRE_LIBRARIES)
if (PCRE_FOUND)
if (NOT PCRE_FIND_QUIETLY)
message(STATUS "Found PCRE: ${PCRE_LIBRARIES}")
endif (NOT PCRE_FIND_QUIETLY)
else (PCRE_FOUND)
if (PCRE_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find PCRE")
endif (PCRE_FIND_REQUIRED)
endif (PCRE_FOUND)
set(CACHED_PCRE ${CACHED_PCRE} CACHE INTERNAL "If pcre was checked")
MARK_AS_ADVANCED(PCRE_INCLUDE_DIR PCRE_LIBRARIES PCRE_PCREPOSIX_LIBRARY PCRE_PCRE_LIBRARY)
ENDIF (DEFINED CACHED_PCRE)
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