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Diffstat (limited to 'Modules/FindBZip2.cmake')
| -rw-r--r-- | Modules/FindBZip2.cmake | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Modules/FindBZip2.cmake b/Modules/FindBZip2.cmake new file mode 100644 index 000000000..ce7f2555d --- /dev/null +++ b/Modules/FindBZip2.cmake @@ -0,0 +1,56 @@ +# - 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_NEED_PREFIX - this is set if the functions are prefixed with BZ2_ +# BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8) + +#============================================================================= +# Copyright 2006-2012 Kitware, Inc. +# Copyright 2006 Alexander Neundorf <neundorf@kde.org> +# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de> +# +# 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.) + +SET(_BZIP2_PATHS PATHS + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Bzip2;InstallPath]" + ) + +FIND_PATH(BZIP2_INCLUDE_DIR bzlib.h ${_BZIP2_PATHS} PATH_SUFFIXES include) + +IF (NOT BZIP2_LIBRARIES) + FIND_LIBRARY(BZIP2_LIBRARY_RELEASE NAMES bz2 bzip2 ${_BZIP2_PATHS} PATH_SUFFIXES lib) + FIND_LIBRARY(BZIP2_LIBRARY_DEBUG NAMES bzip2d ${_BZIP2_PATHS} PATH_SUFFIXES lib) + + INCLUDE(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) + SELECT_LIBRARY_CONFIGURATIONS(BZIP2) +ENDIF (NOT BZIP2_LIBRARIES) + +IF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") + FILE(STRINGS "${BZIP2_INCLUDE_DIR}/bzlib.h" BZLIB_H REGEX "bzip2/libbzip2 version [0-9]+\\.[^ ]+ of [0-9]+ ") + STRING(REGEX REPLACE ".* bzip2/libbzip2 version ([0-9]+\\.[^ ]+) of [0-9]+ .*" "\\1" BZIP2_VERSION_STRING "${BZLIB_H}") +ENDIF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") + +# handle the QUIETLY and REQUIRED arguments and set BZip2_FOUND to TRUE if +# all listed variables are TRUE +INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2 + REQUIRED_VARS BZIP2_LIBRARIES BZIP2_INCLUDE_DIR + VERSION_VAR BZIP2_VERSION_STRING) + +IF (BZIP2_FOUND) + INCLUDE(CheckLibraryExists) + CHECK_LIBRARY_EXISTS("${BZIP2_LIBRARIES}" BZ2_bzCompressInit "" BZIP2_NEED_PREFIX) +ENDIF (BZIP2_FOUND) + +MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR) |