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Diffstat (limited to 'share/cmake-3.18/Modules/FindZLIB.cmake')
| -rw-r--r-- | share/cmake-3.18/Modules/FindZLIB.cmake | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/FindZLIB.cmake b/share/cmake-3.18/Modules/FindZLIB.cmake new file mode 100644 index 0000000..79e2313 --- /dev/null +++ b/share/cmake-3.18/Modules/FindZLIB.cmake @@ -0,0 +1,149 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.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. +#]=======================================================================] + +set(_ZLIB_SEARCHES) + +# Search ZLIB_ROOT first if it is set. +if(ZLIB_ROOT) + set(_ZLIB_SEARCH_ROOT PATHS ${ZLIB_ROOT} NO_DEFAULT_PATH) + list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_ROOT) +endif() + +# Normal search. +set(_ZLIB_x86 "(x86)") +set(_ZLIB_SEARCH_NORMAL + PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]" + "$ENV{ProgramFiles}/zlib" + "$ENV{ProgramFiles${_ZLIB_x86}}/zlib") +unset(_ZLIB_x86) +list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_NORMAL) + +set(ZLIB_NAMES z zlib zdll zlib1 zlibstatic) +set(ZLIB_NAMES_DEBUG zd zlibd zdlld zlibd1 zlib1d zlibstaticd) + +# Try each search configuration. +foreach(search ${_ZLIB_SEARCHES}) + find_path(ZLIB_INCLUDE_DIR NAMES zlib.h ${${search}} PATH_SUFFIXES include) +endforeach() + +# Allow ZLIB_LIBRARY to be set manually, as the location of the zlib library +if(NOT ZLIB_LIBRARY) + foreach(search ${_ZLIB_SEARCHES}) + find_library(ZLIB_LIBRARY_RELEASE NAMES ${ZLIB_NAMES} NAMES_PER_DIR ${${search}} PATH_SUFFIXES lib) + find_library(ZLIB_LIBRARY_DEBUG NAMES ${ZLIB_NAMES_DEBUG} NAMES_PER_DIR ${${search}} PATH_SUFFIXES lib) + endforeach() + + include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) + select_library_configurations(ZLIB) +endif() + +unset(ZLIB_NAMES) +unset(ZLIB_NAMES_DEBUG) + +mark_as_advanced(ZLIB_INCLUDE_DIR) + +if(ZLIB_INCLUDE_DIR AND EXISTS "${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 "${CMAKE_MATCH_1}") + string(APPEND ZLIB_VERSION_STRING ".${ZLIB_VERSION_TWEAK}") + endif() + + set(ZLIB_MAJOR_VERSION "${ZLIB_VERSION_MAJOR}") + set(ZLIB_MINOR_VERSION "${ZLIB_VERSION_MINOR}") + set(ZLIB_PATCH_VERSION "${ZLIB_VERSION_PATCH}") +endif() + +include(${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}) + + if(NOT ZLIB_LIBRARIES) + set(ZLIB_LIBRARIES ${ZLIB_LIBRARY}) + endif() + + if(NOT TARGET ZLIB::ZLIB) + add_library(ZLIB::ZLIB UNKNOWN IMPORTED) + set_target_properties(ZLIB::ZLIB PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIRS}") + + if(ZLIB_LIBRARY_RELEASE) + set_property(TARGET ZLIB::ZLIB APPEND PROPERTY + IMPORTED_CONFIGURATIONS RELEASE) + set_target_properties(ZLIB::ZLIB PROPERTIES + IMPORTED_LOCATION_RELEASE "${ZLIB_LIBRARY_RELEASE}") + endif() + + if(ZLIB_LIBRARY_DEBUG) + set_property(TARGET ZLIB::ZLIB APPEND PROPERTY + IMPORTED_CONFIGURATIONS DEBUG) + set_target_properties(ZLIB::ZLIB PROPERTIES + IMPORTED_LOCATION_DEBUG "${ZLIB_LIBRARY_DEBUG}") + endif() + + if(NOT ZLIB_LIBRARY_RELEASE AND NOT ZLIB_LIBRARY_DEBUG) + set_property(TARGET ZLIB::ZLIB APPEND PROPERTY + IMPORTED_LOCATION "${ZLIB_LIBRARY}") + endif() + endif() +endif() |