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# Copyright 2013 Ettercap Development Team.
#
# Distributed under GPL licnse.
#
# Look for the header file
FIND_PATH(PCRE_INCLUDE_DIR NAMES pcre.h)
MARK_AS_ADVANCED(PCRE_INCLUDE_DIR)
# Look for the library.
FIND_LIBRARY(PCRE_LIBRARY NAMES
pcre
)
MARK_AS_ADVANCED(PCRE_LIBRARY)
# Make sure we've got an include dir.
if(NOT PCRE_INCLUDE_DIR)
if(PCRE_FIND_REQUIRED AND NOT PCRE_FIND_QUIETLY)
message(FATAL_ERROR "Could not find PCRE include directory.")
endif()
return()
endif()
if(NOT PCRE_LIBRARY)
if(PCRE_FIND_REQUIRED AND NOT PCRE_FIND_QUIETLY)
message(FATAL_ERROR "Could not find PCRE library.")
endif()
return()
endif()
function(extract_version FILENAME DEFNAME VARIABLE)
FILE(STRINGS ${FILENAME} pcre_version_str REGEX "^#define[\t ]+${DEFNAME}[\t ]+.*")
STRING(REGEX REPLACE "^#define[\t ]+${DEFNAME}[\t ]+([0-9]+).*" "\\1" temp_var "${pcre_version_str}")
SET(${VARIABLE} ${temp_var} PARENT_SCOPE)
endfunction()
if(PCRE_FIND_VERSION)
# Try to find the version number.
set(HEADER_FILE "${PCRE_INCLUDE_DIR}/pcre.h")
IF(EXISTS ${HEADER_FILE})
extract_version(${HEADER_FILE} PCRE_MAJOR PCRE_VERSION_STRING_MAJOR)
extract_version(${HEADER_FILE} PCRE_MINOR PCRE_VERSION_STRING_MINOR)
set(PCRE_VERSION_STRING "${PCRE_VERSION_STRING_MAJOR}.${PCRE_VERSION_STRING_MINOR}")
ENDIF()
set(PCRE_FAILED_VERSION_CHECK true)
if(PCRE_FIND_VERSION_EXACT)
if(PCRE_VERSION_STRING VERSION_EQUAL PCRE_FIND_VERSION)
set(PCRE_FAILED_VERSION_CHECK false)
endif()
else()
if(PCRE_VERSION_STRING VERSION_EQUAL PCRE_FIND_VERSION OR
PCRE_VERSION_STRING VERSION_GREATER PCRE_FIND_VERSION)
set(PCRE_FAILED_VERSION_CHECK false)
endif()
endif()
if(PCRE_FAILED_VERSION_CHECK)
if(PCRE_FIND_REQUIRED AND NOT PCRE_FIND_QUIETLY)
if(PCRE_FIND_VERSION_EXACT)
message(FATAL_ERROR "PCRE version check failed. Version ${PCRE_VERSION_STRING} was found, version ${PCRE_FIND_VERSION} is needed exactly.")
else()
message(FATAL_ERROR "PCRE version check failed. Version ${PCRE_VERSION_STRING} was found, at least version ${PCRE_FIND_VERSION} is required")
endif()
endif()
# If the version check fails, exit out of the module here
return()
endif()
endif(PCRE_FIND_VERSION)
#handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG PCRE_LIBRARY PCRE_INCLUDE_DIR)
if(PCRE_FOUND)
set(PCRE_LIBRARY ${PCRE_LIBRARY})
set(PCRE_INCLUDE_DIR ${PCRE_INCLUDE_DIR})
set(PCRE_VERSION_STRING ${PCRE_VERSION_STRING})
endif(PCRE_FOUND)
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