119 строки
4.1 KiB
CMake
119 строки
4.1 KiB
CMake
# - Try to find ZLIB
|
|
# Once done this will define
|
|
#
|
|
# ZLIB_ROOT_DIR - Set this variable to the root installation of ZLIB
|
|
#
|
|
# Read-Only variables:
|
|
# ZLIB_FOUND - system has ZLIB
|
|
# ZLIB_INCLUDE_DIRS - the ZLIB include directory
|
|
# ZLIB_LIBRARIES - Link these to use ZLIB
|
|
#
|
|
# 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 (c) 2001-2009 Kitware, Inc.
|
|
# Copyright (c) 2011 Andreas Schneider <asn@cryptomilk.org>
|
|
#
|
|
# 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.
|
|
#=============================================================================
|
|
#
|
|
|
|
if (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
|
|
# in cache already
|
|
set(ZLIB_FOUND TRUE)
|
|
else (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
|
|
|
|
set(_ZLIB_ROOT_HINTS
|
|
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]/include"
|
|
)
|
|
|
|
set(_ZLIB_ROOT_PATHS
|
|
"$ENV{PROGRAMFILES}/zlib"
|
|
)
|
|
|
|
find_path(ZLIB_ROOT_DIR
|
|
NAMES
|
|
include/zlib.h
|
|
HINTS
|
|
${_ZLIB_ROOT_HINTS}
|
|
PATHS
|
|
${_ZLIB_ROOT_PATHS}
|
|
)
|
|
mark_as_advanced(ZLIB_ROOT_DIR)
|
|
|
|
# check for header file
|
|
find_path(ZLIB_INCLUDE_DIR
|
|
NAMES
|
|
zlib.h
|
|
PATHS
|
|
/usr/local/include
|
|
/opt/local/include
|
|
/sw/include
|
|
/usr/lib/sfw/include
|
|
${ZLIB_ROOT_DIR}/include
|
|
)
|
|
mark_as_advanced(ZLIB_INCLUDE_DIR)
|
|
|
|
# check version number
|
|
if (ZLIB_INCLUDE_DIR AND EXISTS "${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 "${ZLIB_VERSION_PATCH}")
|
|
endif (ZLIB_INCLUDE_DIR AND EXISTS "${ZLIB_INCLUDE_DIR}/zlib.h")
|
|
|
|
find_library(ZLIB_LIBRARY
|
|
NAMES
|
|
z
|
|
zdll
|
|
zlib
|
|
zlib1
|
|
PATHS
|
|
/usr/local/lib
|
|
/opt/local/lib
|
|
/sw/lib
|
|
/usr/sfw/lib/64
|
|
/usr/sfw/lib
|
|
${ZLIB_ROOT_DIR}/lib
|
|
)
|
|
mark_as_advanced(ZLIB_LIBRARY)
|
|
|
|
include(FindPackageHandleStandardArgs)
|
|
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 (ZLIB_FOUND)
|
|
endif (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
|