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#
# local copy
#
if( WIN32 )
message( STATUS "Detecting local PCRE" )
find_path( LOCAL_PCRE_INCLUDE_DIRS "pcre.h"
PATHS "${CMAKE_CURRENT_SOURCE_DIR}/include"
NO_DEFAULT_PATH )
find_library( LOCAL_PCRE_LIBRARIES
NAMES pcre
PATHS "${CMAKE_CURRENT_SOURCE_DIR}/lib"
NO_DEFAULT_PATH )
mark_as_advanced( LOCAL_PCRE_LIBRARIES )
mark_as_advanced( LOCAL_PCRE_INCLUDE_DIRS )
if( LOCAL_PCRE_LIBRARIES AND LOCAL_PCRE_INCLUDE_DIRS )
file( STRINGS "${LOCAL_PCRE_INCLUDE_DIRS}/pcre.h" PCRE_H REGEX "^#define[ \t]+PCRE_M[A-Z]+[ \t]+[0-9]+.*$" )
string( REGEX REPLACE "^.*PCRE_MAJOR[ \t]+([0-9]+).*$" "\\1" PCRE_MAJOR "${PCRE_H}" )
string( REGEX REPLACE "^.*PCRE_MINOR[ \t]+([0-9]+).*$" "\\1" PCRE_MINOR "${PCRE_H}" )
message( STATUS "Found PCRE: ${LOCAL_PCRE_LIBRARIES} (found version ${PCRE_MAJOR}.${PCRE_MINOR})" )
set( HAVE_LOCAL_PCRE ON
CACHE BOOL "pcre is available as a local copy" )
else()
foreach( _VAR LOCAL_PCRE_LIBRARIES LOCAL_PCRE_INCLUDE_DIRS )
if( NOT "${_VAR}" )
set( MISSING_VARS ${MISSING_VARS} ${_VAR} )
endif()
endforeach()
message( STATUS "Could NOT find PCRE (missing: ${MISSING_VARS})" )
unset( HAVE_LOCAL_PCRE CACHE )
endif()
message( STATUS "Detecting local PCRE - done" )
endif( WIN32 )
#
# system
#
message( STATUS "Detecting system PCRE" )
set( CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_MODULE_PATH} )
find_package( PCRE )
set( SYSTEM_PCRE_LIBRARIES ${PCRE_LIBRARIES}
CACHE PATH "system pcre libraries" )
set( SYSTEM_PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIRS}
CACHE PATH "system pcre include directories" )
mark_as_advanced( SYSTEM_PCRE_LIBRARIES )
mark_as_advanced( SYSTEM_PCRE_INCLUDE_DIRS )
if( SYSTEM_PCRE_LIBRARIES AND SYSTEM_PCRE_INCLUDE_DIRS )
set( HAVE_SYSTEM_PCRE ON
CACHE BOOL "pcre is available on the system" )
else()
unset( HAVE_SYSTEM_PCRE CACHE )
endif()
message( STATUS "Detecting system PCRE - done" )
#
# configure
#
unset( PCRE_LIBRARIES CACHE )
unset( PCRE_INCLUDE_DIRS CACHE )
if( HAVE_LOCAL_PCRE )
set( USE_LOCAL_PCRE ON
CACHE BOOL "use local copy of pcre" )
else()
unset( USE_LOCAL_PCRE CACHE )
endif()
if( USE_LOCAL_PCRE )
message( STATUS "Configuring for local PCRE" )
set( PCRE_LIBRARIES ${LOCAL_PCRE_LIBRARIES} )
set( PCRE_INCLUDE_DIRS ${LOCAL_PCRE_INCLUDE_DIRS} )
message( STATUS "Configuring for local PCRE - done" )
elseif( HAVE_SYSTEM_PCRE )
message( STATUS "Configuring for system PCRE" )
set( PCRE_LIBRARIES ${SYSTEM_PCRE_LIBRARIES} )
set( PCRE_INCLUDE_DIRS ${SYSTEM_PCRE_INCLUDE_DIRS} )
message( STATUS "Configuring for system PCRE - done" )
endif()
if( USE_LOCAL_PCRE OR HAVE_SYSTEM_PCRE )
set( USE_PCRE ON
CACHE BOOL "use pcre" )
else()
unset( USE_PCRE CACHE )
endif()
set( PCRE_LIBRARIES ${PCRE_LIBRARIES}
CACHE PATH "pcre libraries" )
set( PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIRS}
CACHE PATH "pcre include directories" )
mark_as_advanced( PCRE_LIBRARIES )
mark_as_advanced( PCRE_INCLUDE_DIRS )
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