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#
# $Id$
#
# Locate pcre2
#
# This module accepts the following environment variables:
#
# PCRE2_DIR or PCRE2_ROOT - Specify the location of PCRE2
#
# This module defines the following CMake variables:
#
# PCRE2_FOUND - True if libpcre2 is found
# PCRE2_LIBRARY - A variable pointing to the PCRE2 library
# PCRE2_INCLUDE_DIR - Where to find the headers
#=============================================================================
# Inspired by FindGDAL
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See COPYING-CMAKE-SCRIPTS for more information.
#=============================================================================
# This makes the presumption that you are include pcre2.h like
#
#include "pcre2.h"
if (DEFINED PCRE2_ROOT AND NOT PCRE2_ROOT)
set (PCRE2_LIBRARY "" CACHE INTERNAL "")
set (PCRE2_INCLUDE_DIR "" CACHE INTERNAL "")
return ()
endif (DEFINED PCRE2_ROOT AND NOT PCRE2_ROOT)
if (UNIX AND NOT PCRE2_FOUND)
# Use pcre2-config to obtain the library location and name, something like
# -L/sw/lib -lpcre2-8)
find_program (PCRE2_CONFIG pcre2-config
HINTS
${PCRE2_DIR}
${PCRE2_ROOT}
$ENV{PCRE2_DIR}
$ENV{PCRE2_ROOT}
PATH_SUFFIXES bin
PATHS
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
/usr/local
)
if (PCRE2_CONFIG)
execute_process (COMMAND ${PCRE2_CONFIG} --cflags
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE PCRE2_CONFIG_CFLAGS)
if (PCRE2_CONFIG_CFLAGS)
string (REGEX MATCHALL "-I[^ ]+" _pcre2_dashI ${PCRE2_CONFIG_CFLAGS})
string (REGEX REPLACE "-I" "" _pcre2_includepath "${_pcre2_dashI}")
string (REGEX REPLACE "-I[^ ]+" "" _pcre2_cflags_other ${PCRE2_CONFIG_CFLAGS})
endif (PCRE2_CONFIG_CFLAGS)
execute_process (COMMAND ${PCRE2_CONFIG} --libs8
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE PCRE2_CONFIG_LIBS)
if (PCRE2_CONFIG_LIBS)
string (REGEX MATCHALL "-l[^ ]+" _pcre2_dashl ${PCRE2_CONFIG_LIBS})
string (REGEX REPLACE "-l" "" _pcre2_lib "${_pcre2_dashl}")
string (REGEX MATCHALL "-L[^ ]+" _pcre2_dashL ${PCRE2_CONFIG_LIBS})
string (REGEX REPLACE "-L" "" _pcre2_libpath "${_pcre2_dashL}")
endif (PCRE2_CONFIG_LIBS)
endif (PCRE2_CONFIG)
endif (UNIX AND NOT PCRE2_FOUND)
find_path (PCRE2_INCLUDE_DIR pcre2.h
HINTS
${_pcre2_includepath}
${PCRE2_DIR}
${PCRE2_ROOT}
$ENV{PCRE2_DIR}
$ENV{PCRE2_ROOT}
PATH_SUFFIXES
include/pcre2
include/PCRE2
include
PATHS
~/Library/Frameworks/pcre2.framework/Headers
/Library/Frameworks/pcre2.framework/Headers
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
/usr/local
)
find_library (PCRE2_LIBRARY
NAMES ${_pcre2_lib} pcre2-8 PCRE2
HINTS
${PCRE2_DIR}
${PCRE2_ROOT}
$ENV{PCRE2_DIR}
$ENV{PCRE2_ROOT}
${_pcre2_libpath}
PATH_SUFFIXES lib
PATHS
~/Library/Frameworks/pcre2.framework
/Library/Frameworks/pcre2.framework
/sw
/opt/local
/opt/csw
/opt
/usr/local
)
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (PCRE2 DEFAULT_MSG PCRE2_LIBRARY PCRE2_INCLUDE_DIR)
set (PCRE2_LIBRARIES ${PCRE2_LIBRARY})
set (PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
# vim: textwidth=78 noexpandtab tabstop=2 softtabstop=2 shiftwidth=2
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