ENH: add cmake modules for some common libraries: aspell, hspell, bzip2,

jasper (jpeg2000), libxml2 and libxslt and openssl and the accompanying
license (BSD)

Alex

Modules/COPYING-CMAKE-SCRIPTS

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+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products 
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Modules/FindASPELL.cmake

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+# - Try to find ASPELL
+# Once done this will define
+#
+#  ASPELL_FOUND - system has ASPELL
+#  ASPELL_INCLUDE_DIR - the ASPELL include directory
+#  ASPELL_LIBRARIES - The libraries needed to use ASPELL
+#  ASPELL_DEFINITIONS - Compiler switches required for using ASPELL
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (ASPELL_INCLUDE_DIR AND ASPELL_LIBRARIES)
+  # Already in cache, be silent
+  SET(ASPELL_FIND_QUIETLY TRUE)
+ENDIF (ASPELL_INCLUDE_DIR AND ASPELL_LIBRARIES)
+
+FIND_PATH(ASPELL_INCLUDE_DIR aspell.h )
+
+FIND_LIBRARY(ASPELL_LIBRARIES NAMES aspell aspell-15)
+
+IF (ASPELL_INCLUDE_DIR AND ASPELL_LIBRARIES)
+   SET(ASPELL_FOUND TRUE)
+ELSE (ASPELL_INCLUDE_DIR AND ASPELL_LIBRARIES)
+   SET(ASPELL_FOUND FALSE)
+ENDIF (ASPELL_INCLUDE_DIR AND ASPELL_LIBRARIES)
+
+IF (ASPELL_FOUND)
+  IF (NOT ASPELL_FIND_QUIETLY)
+    MESSAGE(STATUS "Found ASPELL: ${ASPELL_LIBRARIES}")
+  ENDIF (NOT ASPELL_FIND_QUIETLY)
+ELSE (ASPELL_FOUND)
+  IF (ASPELL_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could NOT find ASPELL")
+  ENDIF (ASPELL_FIND_REQUIRED)
+ENDIF (ASPELL_FOUND)
+
+MARK_AS_ADVANCED(ASPELL_INCLUDE_DIR ASPELL_LIBRARIES)

Modules/FindBZip2.cmake

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+# - Try to find BZip2
+# Once done this will define
+#
+#  BZIP2_FOUND - system has BZip2
+#  BZIP2_INCLUDE_DIR - the BZip2 include directory
+#  BZIP2_LIBRARIES - Link these to use BZip2
+#  BZIP2_DEFINITIONS - Compiler switches required for using BZip2
+#  BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
+    SET(BZip2_FIND_QUIETLY TRUE)
+ENDIF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
+
+FIND_PATH(BZIP2_INCLUDE_DIR bzlib.h )
+
+FIND_LIBRARY(BZIP2_LIBRARIES NAMES bz2 bzip2 )
+
+IF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
+   SET(BZIP2_FOUND TRUE)
+   INCLUDE(CheckLibraryExists)
+   CHECK_LIBRARY_EXISTS(${BZIP2_LIBRARIES} BZ2_bzCompressInit "" BZIP2_NEED_PREFIX)
+ELSE (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
+   SET(BZIP2_FOUND FALSE)
+ENDIF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
+
+IF (BZIP2_FOUND)
+  IF (NOT BZip2_FIND_QUIETLY)
+    MESSAGE(STATUS "Found BZip2: ${BZIP2_LIBRARIES}")
+  ENDIF (NOT BZip2_FIND_QUIETLY)
+ELSE (BZIP2_FOUND)
+  IF (BZip2_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could NOT find BZip2")
+  ENDIF (BZip2_FIND_REQUIRED)
+ENDIF (BZIP2_FOUND)
+
+MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR BZIP2_LIBRARIES)
+

Modules/FindHSPELL.cmake

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+# - Try to find HSPELL
+# Once done this will define
+#
+#  HSPELL_FOUND - system has HSPELL
+#  HSPELL_INCLUDE_DIR - the HSPELL include directory
+#  HSPELL_LIBRARIES - The libraries needed to use HSPELL
+#  HSPELL_DEFINITIONS - Compiler switches required for using HSPELL
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (HSPELL_INCLUDE_DIR AND HSPELL_LIBRARIES)
+  # Already in cache, be silent
+  SET(HSPELL_FIND_QUIETLY TRUE)
+ENDIF (HSPELL_INCLUDE_DIR AND HSPELL_LIBRARIES)
+
+
+FIND_PATH(HSPELL_INCLUDE_DIR hspell.h )
+
+FIND_LIBRARY(HSPELL_LIBRARIES NAMES hspell )
+
+IF (HSPELL_INCLUDE_DIR AND HSPELL_LIBRARIES)
+   SET(HSPELL_FOUND TRUE)
+ELSE (HSPELL_INCLUDE_DIR AND HSPELL_LIBRARIES)
+   SET(HSPELL_FOUND FALSE)
+ENDIF (HSPELL_INCLUDE_DIR AND HSPELL_LIBRARIES)
+
+IF (HSPELL_FOUND)
+  IF (NOT HSPELL_FIND_QUIETLY)
+    MESSAGE(STATUS "Found HSPELL: ${HSPELL_LIBRARIES}")
+  ENDIF (NOT HSPELL_FIND_QUIETLY)
+ELSE (HSPELL_FOUND)
+  IF (HSPELL_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could NOT find HSPELL")
+  ENDIF (HSPELL_FIND_REQUIRED)
+ENDIF (HSPELL_FOUND)
+
+MARK_AS_ADVANCED(HSPELL_INCLUDE_DIR HSPELL_LIBRARIES)
+

Modules/FindJasper.cmake

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+# - Try to find the Jasper JPEG2000 library
+# Once done this will define
+#
+#  JASPER_FOUND - system has Jasper
+#  JASPER_INCLUDE_DIR - the Jasper include directory
+#  JASPER_LIBRARIES - The libraries needed to use Jasper
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+FIND_PACKAGE(JPEG)
+
+IF (JASPER_INCLUDE_DIR AND JASPER_LIBRARIES AND JPEG_LIBRARIES)
+  # Already in cache, be silent
+  SET(Jasper_FIND_QUIETLY TRUE)
+ENDIF (JASPER_INCLUDE_DIR AND JASPER_LIBRARIES AND JPEG_LIBRARIES)
+
+FIND_PATH(JASPER_INCLUDE_DIR jasper/jasper.h)
+
+FIND_LIBRARY(JASPER_LIBRARY NAMES jasper libjasper)
+
+IF (JASPER_INCLUDE_DIR AND JASPER_LIBRARY AND JPEG_LIBRARIES)
+   SET(JASPER_FOUND TRUE)
+   SET(JASPER_LIBRARIES ${JASPER_LIBRARY} ${JPEG_LIBRARIES} )
+ELSE (JASPER_INCLUDE_DIR AND JASPER_LIBRARY AND JPEG_LIBRARIES)
+   SET(JASPER_FOUND FALSE)
+ENDIF (JASPER_INCLUDE_DIR AND JASPER_LIBRARY AND JPEG_LIBRARIES)
+
+
+IF (JASPER_FOUND)
+   IF (NOT Jasper_FIND_QUIETLY)
+      MESSAGE(STATUS "Found jasper: ${JASPER_LIBRARIES}")
+   ENDIF (NOT Jasper_FIND_QUIETLY)
+ELSE (JASPER_FOUND)
+   IF (Jasper_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could NOT find jasper library")
+   ENDIF (Jasper_FIND_REQUIRED)
+ENDIF (JASPER_FOUND)
+
+MARK_AS_ADVANCED(JASPER_INCLUDE_DIR JASPER_LIBRARIES JASPER_LIBRARY)

Modules/FindLibXml2.cmake

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+# - Try to find LibXml2
+# Once done this will define
+#
+#  LIBXML2_FOUND - system has LibXml2
+#  LIBXML2_INCLUDE_DIR - the LibXml2 include directory
+#  LIBXML2_LIBRARIES - the libraries needed to use LibXml2
+#  LIBXML2_DEFINITIONS - Compiler switches required for using LibXml2
+#
+# Copyright (c) 2006, Alexander Neundorf <[email protected]>
+# This code is available under the BSD license, see licenses/BSD for details.
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (LIBXML2_INCLUDE_DIR AND LIBXML2_LIBRARIES)
+   # in cache already
+   SET(LibXml2_FIND_QUIETLY TRUE)
+ENDIF (LIBXML2_INCLUDE_DIR AND LIBXML2_LIBRARIES)
+
+IF (NOT WIN32)
+   # use pkg-config to get the directories and then use these values
+   # in the FIND_PATH() and FIND_LIBRARY() calls
+   INCLUDE(UsePkgConfig)
+   PKGCONFIG(libxml-2.0 _LibXml2IncDir _LibXml2LinkDir _LibXml2LinkFlags _LibXml2Cflags)
+   SET(LIBXML2_DEFINITIONS ${_LibXml2Cflags})
+ENDIF (NOT WIN32)
+
+FIND_PATH(LIBXML2_INCLUDE_DIR libxml/xpath.h
+   PATHS
+   ${_LibXml2IncDir}
+   PATH_SUFFIXES libxml2
+   )
+
+FIND_LIBRARY(LIBXML2_LIBRARIES NAMES xml2 libxml2
+   PATHS
+   ${_LibXml2LinkDir}
+   )
+
+IF (LIBXML2_INCLUDE_DIR AND LIBXML2_LIBRARIES)
+   SET(LIBXML2_FOUND TRUE)
+ELSE (LIBXML2_INCLUDE_DIR AND LIBXML2_LIBRARIES)
+   SET(LIBXML2_FOUND FALSE)
+ENDIF (LIBXML2_INCLUDE_DIR AND LIBXML2_LIBRARIES)
+
+IF (LIBXML2_FOUND)
+   IF (NOT LibXml2_FIND_QUIETLY)
+      MESSAGE(STATUS "Found LibXml2: ${LIBXML2_LIBRARIES}")
+   ENDIF (NOT LibXml2_FIND_QUIETLY)
+ELSE (LIBXML2_FOUND)
+   IF (LibXml2_FIND_REQUIRED)
+      MESSAGE(SEND_ERROR "Could NOT find LibXml2")
+   ENDIF (LibXml2_FIND_REQUIRED)
+ENDIF (LIBXML2_FOUND)
+
+MARK_AS_ADVANCED(LIBXML2_INCLUDE_DIR LIBXML2_LIBRARIES)
+

Modules/FindLibXslt.cmake

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+# - Try to find LibXslt
+# Once done this will define
+#
+#  LIBXSLT_FOUND - system has LibXslt
+#  LIBXSLT_INCLUDE_DIR - the LibXslt include directory
+#  LIBXSLT_LIBRARIES - Link these to LibXslt
+#  LIBXSLT_DEFINITIONS - Compiler switches required for using LibXslt
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (LIBXSLT_INCLUDE_DIR AND LIBXSLT_LIBRARIES)
+   # in cache already
+   SET(LibXslt_FIND_QUIETLY TRUE)
+ENDIF (LIBXSLT_INCLUDE_DIR AND LIBXSLT_LIBRARIES)
+
+IF (NOT WIN32)
+   # use pkg-config to get the directories and then use these values
+   # in the FIND_PATH() and FIND_LIBRARY() calls
+   INCLUDE(UsePkgConfig)
+   PKGCONFIG(libxslt _LibXsltIncDir _LibXsltLinkDir _LibXsltLinkFlags _LibXsltCflags)
+   SET(LIBXSLT_DEFINITIONS ${_LibXsltCflags})
+ENDIF (NOT WIN32)
+
+FIND_PATH(LIBXSLT_INCLUDE_DIR libxslt/xslt.h
+    ${_LibXsltIncDir}
+  )
+
+FIND_LIBRARY(LIBXSLT_LIBRARIES NAMES xslt libxslt
+    PATHS
+    ${_LibXsltLinkDir}
+  )
+
+IF (LIBXSLT_INCLUDE_DIR AND LIBXSLT_LIBRARIES)
+   SET(LIBXSLT_FOUND TRUE)
+ELSE (LIBXSLT_INCLUDE_DIR AND LIBXSLT_LIBRARIES)
+   SET(LIBXSLT_FOUND FALSE)
+ENDIF (LIBXSLT_INCLUDE_DIR AND LIBXSLT_LIBRARIES)
+  
+IF (LIBXSLT_FOUND)
+   IF (NOT LibXslt_FIND_QUIETLY)
+      MESSAGE(STATUS "Found LibXslt: ${LIBXSLT_LIBRARIES}")
+   ENDIF (NOT LibXslt_FIND_QUIETLY)
+ELSE (LIBXSLT_FOUND)
+   IF (LibXslt_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could NOT find LibXslt")
+   ENDIF (LibXslt_FIND_REQUIRED)
+ENDIF (LIBXSLT_FOUND)
+
+MARK_AS_ADVANCED(LIBXSLT_INCLUDE_DIR LIBXSLT_LIBRARIES)
+

Modules/FindOpenSSL.cmake

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+# - Try to find the OpenSSL encryption library
+# Once done this will define
+#
+#  OPENSSL_FOUND - system has the OpenSSL library
+#  OPENSSL_INCLUDE_DIR - the OpenSSL include directory
+#  OPENSSL_LIBRARIES - The libraries needed to use OpenSSL
+
+# Copyright (c) 2006, Alexander Neundorf, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF(OPENSSL_LIBRARIES)
+   SET(OpenSSL_FIND_QUIETLY TRUE)
+ENDIF(OPENSSL_LIBRARIES)
+
+IF(SSL_EAY_DEBUG AND SSL_EAY_RELEASE)
+   SET(LIB_FOUND 1)
+ENDIF(SSL_EAY_DEBUG AND SSL_EAY_RELEASE)
+
+FIND_PATH(OPENSSL_INCLUDE_DIR openssl/ssl.h )
+
+IF(WIN32 AND MSVC)
+   # /MD and /MDd are the standard values - if somone wants to use
+   # others, the libnames have to change here too
+   # use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
+
+   FIND_LIBRARY(SSL_EAY_DEBUG NAMES ssleay32MDd ssl ssleay32)
+   FIND_LIBRARY(SSL_EAY_RELEASE NAMES ssleay32MD ssl ssleay32)
+
+   IF(MSVC_IDE)
+      IF(SSL_EAY_DEBUG AND SSL_EAY_RELEASE)
+         SET(OPENSSL_LIBRARIES optimized ${SSL_EAY_RELEASE} debug ${SSL_EAY_DEBUG})
+      ELSE(SSL_EAY_DEBUG AND SSL_EAY_RELEASE)
+         MESSAGE(FATAL_ERROR "Could not find the debug and release version of openssl")
+      ENDIF(SSL_EAY_DEBUG AND SSL_EAY_RELEASE)
+   ELSE(MSVC_IDE)
+      STRING(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_TOLOWER)
+      IF(CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
+         SET(OPENSSL_LIBRARIES ${SSL_EAY_DEBUG})
+      ELSE(CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
+         SET(OPENSSL_LIBRARIES ${SSL_EAY_RELEASE})
+      ENDIF(CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
+   ENDIF(MSVC_IDE)
+   MARK_AS_ADVANCED(SSL_EAY_DEBUG SSL_EAY_RELEASE)
+ELSE(WIN32 AND MSVC)
+
+   FIND_LIBRARY(OPENSSL_LIBRARIES NAMES ssl ssleay32 ssleay32MD )
+
+ENDIF(WIN32 AND MSVC)
+
+IF(OPENSSL_INCLUDE_DIR AND OPENSSL_LIBRARIES)
+   SET(OPENSSL_FOUND TRUE)
+ELSE(OPENSSL_INCLUDE_DIR AND OPENSSL_LIBRARIES)
+   SET(OPENSSL_FOUND FALSE)
+ENDIF (OPENSSL_INCLUDE_DIR AND OPENSSL_LIBRARIES)
+
+IF (OPENSSL_FOUND)
+   IF (NOT OpenSSL_FIND_QUIETLY)
+      MESSAGE(STATUS "Found OpenSSL: ${OPENSSL_LIBRARIES}")
+   ENDIF (NOT OpenSSL_FIND_QUIETLY)
+ELSE (OPENSSL_FOUND)
+   IF (OpenSSL_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could NOT find OpenSSL")
+   ENDIF (OpenSSL_FIND_REQUIRED)
+ENDIF (OPENSSL_FOUND)
+
+MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
+