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FindBZip2: add support for debug libraries (#12867) 

The debug library has a different name on Windows. Make sure both versions
work.

Thanks to Patrick Spendrin for testing this.
This commit is contained in:
Rolf Eike Beer 2012-01-10 14:12:09 +01:00
parent 40fb00512a
commit 5b6ca9fa3f
1 changed files with 11 additions and 5 deletions
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16
Modules/FindBZip2.cmake
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@ -8,8 +8,9 @@
# BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8)
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# 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.
@ -23,7 +24,13 @@
FIND_PATH(BZIP2_INCLUDE_DIR bzlib.h )
FIND_LIBRARY(BZIP2_LIBRARIES NAMES bz2 bzip2 )
IF (NOT BZIP2_LIBRARIES)
FIND_LIBRARY(BZIP2_LIBRARY_RELEASE NAMES bz2 bzip2 )
FIND_LIBRARY(BZIP2_LIBRARY_DEBUG NAMES bzip2d )
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 "${BZIP2_INCLUDE_DIR}/bzlib.h" BZLIB_H REGEX "bzip2/libbzip2 version [0-9]+\\.[^ ]+ of [0-9]+ ")
@ -39,8 +46,7 @@ FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2
IF (BZIP2_FOUND)
INCLUDE(CheckLibraryExists)
CHECK_LIBRARY_EXISTS(${BZIP2_LIBRARIES} BZ2_bzCompressInit "" BZIP2_NEED_PREFIX)
CHECK_LIBRARY_EXISTS("${BZIP2_LIBRARIES}" BZ2_bzCompressInit "" BZIP2_NEED_PREFIX)
ENDIF (BZIP2_FOUND)
MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR BZIP2_LIBRARIES)
MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR)