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FindXerces: New module to find Apache Xerces-C++

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Roger Leigh 2014-08-17 12:58:16 +01:00 committed by Rolf Eike Beer
parent 4517d6b757
commit 204070068d
3 changed files with 87 additions and 0 deletions
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Help/manual/cmake-modules.7.rst
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@ -207,6 +207,7 @@ All Modules
/module/FindWish
/module/FindwxWidgets
/module/FindwxWindows
/module/FindXerces
/module/FindX11
/module/FindXMLRPC
/module/FindZLIB

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Help/module/FindXerces.rst Normal file
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.. cmake-module:: ../../Modules/FindXerces.cmake

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Modules/FindXerces.cmake Normal file
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#.rst:
# FindXerces
# ----------
#
# Find the Apache Xerces-C++ validating XML parser headers and libraries.
#
# This module reports information about the Xerces installation in
# several variables. General variables::
#
# Xerces_FOUND - true if the Xerces headers and libraries were found
# Xerces_VERSION - Xerces release version
# Xerces_INCLUDE_DIRS - the directory containing the Xerces headers
# Xerces_LIBRARIES - Xerces libraries to be linked
#
# The following cache variables may also be set::
#
# Xerces_INCLUDE_DIR - the directory containing the Xerces headers
# Xerces_LIBRARY - the Xerces library
# Written by Roger Leigh <rleigh@codelibre.net>
#=============================================================================
# Copyright 2014 University of Dundee
#
# 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.)
function(_Xerces_GET_VERSION version_hdr)
file(STRINGS ${version_hdr} _contents REGEX "^[ \t]*#define XERCES_VERSION_.*")
if(_contents)
string(REGEX REPLACE ".*#define XERCES_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" Xerces_MAJOR "${_contents}")
string(REGEX REPLACE ".*#define XERCES_VERSION_MINOR[ \t]+([0-9]+).*" "\\1" Xerces_MINOR "${_contents}")
string(REGEX REPLACE ".*#define XERCES_VERSION_REVISION[ \t]+([0-9]+).*" "\\1" Xerces_PATCH "${_contents}")
if(NOT Xerces_MAJOR MATCHES "^[0-9]+$")
message(FATAL_ERROR "Version parsing failed for XERCES_VERSION_MAJOR!")
endif()
if(NOT Xerces_MINOR MATCHES "^[0-9]+$")
message(FATAL_ERROR "Version parsing failed for XERCES_VERSION_MINOR!")
endif()
if(NOT Xerces_PATCH MATCHES "^[0-9]+$")
message(FATAL_ERROR "Version parsing failed for XERCES_VERSION_REVISION!")
endif()
set(Xerces_VERSION "${Xerces_MAJOR}.${Xerces_MINOR}.${Xerces_PATCH}" PARENT_SCOPE)
else()
message(FATAL_ERROR "Include file ${version_hdr} does not exist or does not contain expected version information")
endif()
endfunction()
# Find include directory
find_path(Xerces_INCLUDE_DIR
NAMES "xercesc/util/PlatformUtils.hpp"
DOC "Xerces-C++ include directory")
mark_as_advanced(Xerces_INCLUDE_DIR)
# Find all Xerces libraries
find_library(Xerces_LIBRARY "xerces-c"
DOC "Xerces-C++ libraries")
mark_as_advanced(Xerces_LIBRARY)
if(Xerces_INCLUDE_DIR)
_Xerces_GET_VERSION("${Xerces_INCLUDE_DIR}/xercesc/util/XercesVersion.hpp")
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Xerces
FOUND_VAR Xerces_FOUND
REQUIRED_VARS Xerces_LIBRARY
Xerces_INCLUDE_DIR
Xerces_VERSION
VERSION_VAR Xerces_VERSION
FAIL_MESSAGE "Failed to find Xerces")
if(Xerces_FOUND)
set(Xerces_INCLUDE_DIRS "${Xerces_INCLUDE_DIR}")
set(Xerces_LIBRARIES "${Xerces_LIBRARY}")
endif()