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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindEXPAT
# ---------
#
# Find expat
#
# Find the native EXPAT headers and libraries.
#
# ::
#
# EXPAT_INCLUDE_DIRS - where to find expat.h, etc.
# EXPAT_LIBRARIES - List of libraries when using expat.
# EXPAT_FOUND - True if expat found.
find_package(PkgConfig QUIET)
pkg_check_modules(PC_EXPAT QUIET expat)
# Look for the header file.
find_path(EXPAT_INCLUDE_DIR NAMES expat.h HINTS ${PC_EXPAT_INCLUDE_DIRS})
# Look for the library.
find_library(EXPAT_LIBRARY NAMES expat libexpat HINTS ${PC_EXPAT_LIBRARY_DIRS})
if (EXPAT_INCLUDE_DIR AND EXISTS "${EXPAT_INCLUDE_DIR}/expat.h")
file(STRINGS "${EXPAT_INCLUDE_DIR}/expat.h" expat_version_str
REGEX "^#[\t ]*define[\t ]+XML_(MAJOR|MINOR|MICRO)_VERSION[\t ]+[0-9]+$")
unset(EXPAT_VERSION_STRING)
foreach(VPART MAJOR MINOR MICRO)
foreach(VLINE ${expat_version_str})
if(VLINE MATCHES "^#[\t ]*define[\t ]+XML_${VPART}_VERSION[\t ]+([0-9]+)$")
set(EXPAT_VERSION_PART "${CMAKE_MATCH_1}")
if(EXPAT_VERSION_STRING)
string(APPEND EXPAT_VERSION_STRING ".${EXPAT_VERSION_PART}")
else()
set(EXPAT_VERSION_STRING "${EXPAT_VERSION_PART}")
endif()
endif()
endforeach()
endforeach()
endif ()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(EXPAT
REQUIRED_VARS EXPAT_LIBRARY EXPAT_INCLUDE_DIR
VERSION_VAR EXPAT_VERSION_STRING)
# Copy the results to the output variables.
if(EXPAT_FOUND)
set(EXPAT_LIBRARIES ${EXPAT_LIBRARY})
set(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR})
endif()
mark_as_advanced(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)
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