On Sun, Aug 17, 2014 at 03:43:46PM +0100, Roger Leigh wrote:
> On Sun, Aug 17, 2014 at 03:46:14PM +0200, Rolf Eike Beer wrote:
> > > Sorry for the naïve question, but the find_package docs also mentions
> > > setting package_VERSION_COUNT but I don't see any examples of this in
> > > cmake git. Is setting the MAJOR/MINOR/PATCH versions here correct or
> > > redundant or plain wrong? Or all handled internally by
> > > FIND_PACKAGE_HANDLE_STANDARD_ARGS? I'm just a little confused between
> > > the difference between the documentation and the actual examples in
> > > Modules/Find*.
> >
> > That variable is automatically set by CMake and will tell you how many
> > components were found in the version passed to find_package.
>
> Ah, OK. I've tidied up the version handling as you suggested, new patch
> attached.
I found a minor mistake in the sphinx docs which is fixed
in the attached updated patch (underline not long enough).
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.''`. Roger Leigh
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>From b73dbb4757a4980b34cd181c3370fcfba6a8d50a Mon Sep 17 00:00:00 2001
From: Roger Leigh <rle...@codelibre.net>
Date: Sun, 17 Aug 2014 12:58:16 +0100
Subject: [PATCH] FindXerces: New module to find Apache Xerces-C++
---
Help/manual/cmake-modules.7.rst | 1 +
Help/module/FindXerces.rst | 1 +
Modules/FindXerces.cmake | 92 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 94 insertions(+)
create mode 100644 Help/module/FindXerces.rst
create mode 100644 Modules/FindXerces.cmake
diff --git a/Help/manual/cmake-modules.7.rst b/Help/manual/cmake-modules.7.rst
index 91fffe9..d7a3288 100644
--- a/Help/manual/cmake-modules.7.rst
+++ b/Help/manual/cmake-modules.7.rst
@@ -206,6 +206,7 @@ All Modules
/module/FindWish
/module/FindwxWidgets
/module/FindwxWindows
+ /module/FindXerces
/module/FindX11
/module/FindXMLRPC
/module/FindZLIB
diff --git a/Help/module/FindXerces.rst b/Help/module/FindXerces.rst
new file mode 100644
index 0000000..166d8dd
--- /dev/null
+++ b/Help/module/FindXerces.rst
@@ -0,0 +1 @@
+.. cmake-module:: ../../Modules/FindXerces.cmake
diff --git a/Modules/FindXerces.cmake b/Modules/FindXerces.cmake
new file mode 100644
index 0000000..d176bb3
--- /dev/null
+++ b/Modules/FindXerces.cmake
@@ -0,0 +1,92 @@
+#.rst:
+# FindXerces
+# ----------
+#
+# Find the Apache Xerces-C++ validating XML parser headers and libraries.
+#
+# Use this module by invoking find_package with the form::
+#
+# find_package(Xerces
+# [version] [EXACT] # Minimum or EXACT version e.g. 3.1.1
+# [REQUIRED]) # Fail with error if Xerces is not found
+#
+# 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 <rle...@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.)
+
+# Derived from FindGTK2 _GTK2_GET_VERSION, modified for Xerces.
+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 ${version_hdr} does not exist or does not contain expected version information")
+ endif()
+endfunction(_Xerces_GET_VERSION)
+
+# Find include directory
+find_path(Xerces_INCLUDE_DIR
+ NAMES "xercesc/util/PlatformUtils.hpp"
+ DOC "Xerces-C++ include directory")
+mark_as_advanced(Xerces_INCLUDE_DIR)
+
+# Find all Xerces libraries
+find_library(Xerces_LIBRARY "xerces-c"
+ DOC "Xerces-C++ libraries")
+mark_as_advanced(Xerces_LIBRARY)
+
+if(Xerces_INCLUDE_DIR)
+ _Xerces_GET_VERSION("${Xerces_INCLUDE_DIR}/xercesc/util/XercesVersion.hpp")
+endif(Xerces_INCLUDE_DIR)
+
+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(Xerces_FOUND)
--
1.9.4.msysgit.0
--
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