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#.rst:
# FindRE2
# --------------
#
# Find RE2 library and headers
#
# The module defines the following variables:
#
# ::
#
# RE2_FOUND - true if libre2 was found
# RE2_INCLUDE_DIRS - include search path
# RE2_LIBRARIES - libraries to link
# RE2_PATH - the path to the packet
# The module checks also these variables:
# WITH_RE2_ROOT - the full path to the libre2
# if so, it will have the highest priority to find
# WITH_RE2_INCLUDES - where to find the header files
# WITH_RE2_LIBS - where to search for the lib
#=============================================================================
# Copyright 2015 Sphinx Technologies, Inc.
#
# 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 the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# we may have following variables from the top dir
# set (RE2_INCLUDES "/usr/include;/usr/include/re2" CACHE PATH "path to re2 header files")
# set (RE2_LIBS "/usr/lib/x86_64-linux-gnu;/usr/lib64;/usr/local/lib64;/usr/lib/i386-linux-gnu;/usr/lib;/usr/local/lib" CACHE PATH "path to re2 libraries")
# First check if include path was explicitly given.
# If so, it has the maximum priority over any other possibilities
if (EXISTS "${WITH_RE2_ROOT}/re2/re2.h")
set (RE2_INCLUDE_DIRS ${WITH_RE2_ROOT})
set (RE2_LIBRARY ${WITH_RE2_ROOT}/obj/libre2.a)
if (EXISTS "${RE2_INCLUDE_DIRS}/Makefile")
set (RE2_PATH ${RE2_INCLUDE_DIRS})
endif (EXISTS "${RE2_INCLUDE_DIRS}/Makefile")
else (EXISTS "${WITH_RE2_ROOT}/re2/re2.h")
# Check if there are any sources in ./libre2 path
if (EXISTS ${CMAKE_SOURCE_DIR}/libre2/re2/re2.h)
set(RE2_LIBRARY "${CMAKE_SOURCE_DIR}/libre2/obj/libre2.a")
set(RE2_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/libre2")
set(RE2_PATH "${CMAKE_SOURCE_DIR}/libre2")
else (EXISTS ${CMAKE_SOURCE_DIR}/libre2/re2/re2.h)
if (EXISTS ${WITH_RE2_INCLUDES})
set (RE2_INCLUDE_DIRS "${WITH_RE2_INCLUDES}")
else (EXISTS ${WITH_RE2_INCLUDES})
find_path(RE2_INCLUDE_DIRS NAMES re2/re2.h PATHS /usr/include /usr/include/re2)
endif (EXISTS ${WITH_RE2_INCLUDES})
if ( EXISTS ${WITH_RE2_LIBS} )
set (RE2_LIBRARY ${WITH_RE2_LIBS})
else ( EXISTS ${WITH_RE2_LIBS} )
find_file(RE2_LIBRARY libre2.a
/usr/lib/x86_64-linux-gnu
/usr/lib64
/usr/local/lib64
/usr/lib/i386-linux-gnu
/usr/lib
/usr/local/lib
)
endif ( EXISTS ${WITH_RE2_LIBS} )
endif (EXISTS ${CMAKE_SOURCE_DIR}/libre2/re2/re2.h)
endif (EXISTS "${WITH_RE2_ROOT}/re2/re2.h")
mark_as_advanced(RE2_INCLUDE_DIRS RE2_LIBRARY)
# Handle the QUIETLY and REQUIRED arguments and set LIBICONV_FOUND
# to TRUE if all listed variables are TRUE.
# (Use ${CMAKE_ROOT}/Modules instead of ${CMAKE_CURRENT_LIST_DIR} because CMake
# itself includes this FindLibArchive when built with an older CMake that does
# not provide it. The older CMake also does not have CMAKE_CURRENT_LIST_DIR.)
include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(RE2 REQUIRED_VARS RE2_INCLUDE_DIRS RE2_LIBRARY)
if(RE2_FOUND)
set(RE2_LIBRARIES ${RE2_LIBRARY})
endif()
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