| # - Find zlib |
| # Find the native ZLIB includes and library. |
| # Once done this will define |
| # |
| # ZLIB_INCLUDE_DIRS - where to find zlib.h, etc. |
| # ZLIB_LIBRARIES - List of libraries when using zlib. |
| # ZLIB_FOUND - True if zlib found. |
| # |
| # ZLIB_VERSION_STRING - The version of zlib found (x.y.z) |
| # ZLIB_VERSION_MAJOR - The major version of zlib |
| # ZLIB_VERSION_MINOR - The minor version of zlib |
| # ZLIB_VERSION_PATCH - The patch version of zlib |
| # ZLIB_VERSION_TWEAK - The tweak version of zlib |
| # |
| # The following variable are provided for backward compatibility |
| # |
| # ZLIB_MAJOR_VERSION - The major version of zlib |
| # ZLIB_MINOR_VERSION - The minor version of zlib |
| # ZLIB_PATCH_VERSION - The patch version of zlib |
| |
| #============================================================================= |
| # Copyright 2001-2009 Kitware, Inc. |
| # |
| # 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.) |
| |
| FIND_PATH(ZLIB_INCLUDE_DIR zlib.h |
| "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]/include" |
| ) |
| |
| SET(ZLIB_NAMES z zlib zdll) |
| FIND_LIBRARY(ZLIB_LIBRARY |
| NAMES |
| ${ZLIB_NAMES} |
| PATHS |
| "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]/lib" |
| ) |
| MARK_AS_ADVANCED(ZLIB_LIBRARY ZLIB_INCLUDE_DIR) |
| |
| IF(ZLIB_INCLUDE_DIR AND EXISTS "${ZLIB_INCLUDE_DIR}/zlib.h") |
| FILE(STRINGS "${ZLIB_INCLUDE_DIR}/zlib.h" ZLIB_H REGEX "^#define ZLIB_VERSION \"[^\"]*\"$") |
| |
| STRING(REGEX REPLACE "^.*ZLIB_VERSION \"([0-9]+).*$" "\\1" ZLIB_VERSION_MAJOR "${ZLIB_H}") |
| STRING(REGEX REPLACE "^.*ZLIB_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" ZLIB_VERSION_MINOR "${ZLIB_H}") |
| STRING(REGEX REPLACE "^.*ZLIB_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ZLIB_VERSION_PATCH "${ZLIB_H}") |
| SET(ZLIB_VERSION_STRING "${ZLIB_VERSION_MAJOR}.${ZLIB_VERSION_MINOR}.${ZLIB_VERSION_PATCH}") |
| |
| # only append a TWEAK version if it exists: |
| SET(ZLIB_VERSION_TWEAK "") |
| IF( "${ZLIB_H}" MATCHES "^.*ZLIB_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$") |
| SET(ZLIB_VERSION_TWEAK "${CMAKE_MATCH_1}") |
| SET(ZLIB_VERSION_STRING "${ZLIB_VERSION_STRING}.${ZLIB_VERSION_TWEAK}") |
| ENDIF( "${ZLIB_H}" MATCHES "^.*ZLIB_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$") |
| |
| SET(ZLIB_MAJOR_VERSION "${ZLIB_VERSION_MAJOR}") |
| SET(ZLIB_MINOR_VERSION "${ZLIB_VERSION_MINOR}") |
| SET(ZLIB_PATCH_VERSION "${ZLIB_VERSION_PATCH}") |
| ENDIF() |
| |
| # handle the QUIETLY and REQUIRED arguments and set ZLIB_FOUND to TRUE if |
| # all listed variables are TRUE |
| INCLUDE("${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake") |
| FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZLIB REQUIRED_VARS ZLIB_INCLUDE_DIR ZLIB_LIBRARY |
| VERSION_VAR ZLIB_VERSION_STRING) |
| |
| IF(ZLIB_FOUND) |
| SET(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR}) |
| SET(ZLIB_LIBRARIES ${ZLIB_LIBRARY}) |
| ENDIF() |
| |