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Diffstat (limited to 'share/cmake-3.2/Modules/FindZLIB.cmake')
| -rw-r--r-- | share/cmake-3.2/Modules/FindZLIB.cmake | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/share/cmake-3.2/Modules/FindZLIB.cmake b/share/cmake-3.2/Modules/FindZLIB.cmake new file mode 100644 index 0000000..d4a27d5 --- /dev/null +++ b/share/cmake-3.2/Modules/FindZLIB.cmake @@ -0,0 +1,123 @@ +#.rst: +# FindZLIB +# -------- +# +# Find the native ZLIB includes and library. +# +# IMPORTED Targets +# ^^^^^^^^^^^^^^^^ +# +# This module defines :prop_tgt:`IMPORTED` target ``ZLIB::ZLIB``, if +# ZLIB has been found. +# +# Result Variables +# ^^^^^^^^^^^^^^^^ +# +# This module defines the following variables: +# +# :: +# +# 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 +# +# Backward Compatibility +# ^^^^^^^^^^^^^^^^^^^^^^ +# +# 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 +# +# Hints +# ^^^^^ +# +# A user may set ``ZLIB_ROOT`` to a zlib installation root to tell this +# module where to look. + +#============================================================================= +# Copyright 2001-2011 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.) + +set(_ZLIB_SEARCHES) + +# Search ZLIB_ROOT first if it is set. +if(ZLIB_ROOT) + set(_ZLIB_SEARCH_ROOT PATHS ${ZLIB_ROOT} NO_DEFAULT_PATH) + list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_ROOT) +endif() + +# Normal search. +set(_ZLIB_SEARCH_NORMAL + PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]" + "$ENV{PROGRAMFILES}/zlib" + ) +list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_NORMAL) + +set(ZLIB_NAMES z zlib zdll zlib1 zlibd zlibd1) + +# Try each search configuration. +foreach(search ${_ZLIB_SEARCHES}) + find_path(ZLIB_INCLUDE_DIR NAMES zlib.h ${${search}} PATH_SUFFIXES include) + find_library(ZLIB_LIBRARY NAMES ${ZLIB_NAMES} ${${search}} PATH_SUFFIXES lib) +endforeach() + +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() + + 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_LIBRARY ZLIB_INCLUDE_DIR + VERSION_VAR ZLIB_VERSION_STRING) + +if(ZLIB_FOUND) + set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR}) + set(ZLIB_LIBRARIES ${ZLIB_LIBRARY}) + + if(NOT TARGET ZLIB::ZLIB) + add_library(ZLIB::ZLIB UNKNOWN IMPORTED) + set_target_properties(ZLIB::ZLIB PROPERTIES + IMPORTED_LOCATION "${ZLIB_LIBRARY}" + INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIRS}") + endif() +endif() |