diff options
Diffstat (limited to 'Modules/FindZLIB.cmake')
| -rw-r--r-- | Modules/FindZLIB.cmake | 125 |
1 files changed, 103 insertions, 22 deletions
diff --git a/Modules/FindZLIB.cmake b/Modules/FindZLIB.cmake index 5778b03..d0deb87 100644 --- a/Modules/FindZLIB.cmake +++ b/Modules/FindZLIB.cmake @@ -20,41 +20,78 @@ 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`` + .. versionadded:: 3.26 + the version of Zlib found. + + See also legacy variable ``ZLIB_VERSION_STRING``. - ZLIB_INCLUDE_DIRS - where to find zlib.h, etc. - ZLIB_LIBRARIES - List of libraries when using zlib. - ZLIB_FOUND - True if zlib found. +.. versionadded:: 3.4 + Debug and Release variants are found separately. -:: +Legacy Variables +^^^^^^^^^^^^^^^^ - 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 variables are provided for backward compatibility: -.. versionadded:: 3.4 - Debug and Release variants are found separately. +``ZLIB_VERSION_MAJOR`` + The major version of zlib. + + .. versionchanged:: 3.26 + Superseded by ``ZLIB_VERSION``. +``ZLIB_VERSION_MINOR`` + The minor version of zlib. -Backward Compatibility -^^^^^^^^^^^^^^^^^^^^^^ + .. versionchanged:: 3.26 + Superseded by ``ZLIB_VERSION``. +``ZLIB_VERSION_PATCH`` + The patch version of zlib. -The following variable are provided for backward compatibility + .. versionchanged:: 3.26 + Superseded by ``ZLIB_VERSION``. +``ZLIB_VERSION_TWEAK`` + The tweak version of zlib. -:: + .. versionchanged:: 3.26 + Superseded by ``ZLIB_VERSION``. +``ZLIB_VERSION_STRING`` + The version of zlib found (x.y.z) - ZLIB_MAJOR_VERSION - The major version of zlib - ZLIB_MINOR_VERSION - The minor version of zlib - ZLIB_PATCH_VERSION - The patch version of zlib + .. versionchanged:: 3.26 + Superseded by ``ZLIB_VERSION``. +``ZLIB_MAJOR_VERSION`` + The major version of zlib. Superseded by ``ZLIB_VERSION_MAJOR``. +``ZLIB_MINOR_VERSION`` + The minor version of zlib. Superseded by ``ZLIB_VERSION_MINOR``. +``ZLIB_PATCH_VERSION`` + The patch version of zlib. Superseded by ``ZLIB_VERSION_PATCH``. Hints ^^^^^ A user may set ``ZLIB_ROOT`` to a zlib installation root to tell this module where to look. + +.. versionadded:: 3.24 + Set ``ZLIB_USE_STATIC_LIBS`` to ``ON`` to look for static libraries. + Default is ``OFF``. + #]=======================================================================] +if(ZLIB_FIND_COMPONENTS AND NOT ZLIB_FIND_QUIETLY) + message(AUTHOR_WARNING + "ZLIB does not provide any COMPONENTS. Calling\n" + " find_package(ZLIB COMPONENTS ...)\n" + "will always fail." + ) +endif() + set(_ZLIB_SEARCHES) # Search ZLIB_ROOT first if it is set. @@ -72,8 +109,13 @@ set(_ZLIB_SEARCH_NORMAL 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) +if(ZLIB_USE_STATIC_LIBS) + set(ZLIB_NAMES zlibstatic zlibstat zlib z) + set(ZLIB_NAMES_DEBUG zlibstaticd zlibstatd zlibd zd) +else() + set(ZLIB_NAMES z zlib zdll zlib1 zlibstatic zlibwapi zlibvc zlibstat) + set(ZLIB_NAMES_DEBUG zd zlibd zdlld zlibd1 zlib1d zlibstaticd zlibwapid zlibvcd zlibstatd) +endif() # Try each search configuration. foreach(search ${_ZLIB_SEARCHES}) @@ -82,11 +124,47 @@ endforeach() # Allow ZLIB_LIBRARY to be set manually, as the location of the zlib library if(NOT ZLIB_LIBRARY) + if(DEFINED CMAKE_FIND_LIBRARY_PREFIXES) + set(_zlib_ORIG_CMAKE_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}") + else() + set(_zlib_ORIG_CMAKE_FIND_LIBRARY_PREFIXES) + endif() + if(DEFINED CMAKE_FIND_LIBRARY_SUFFIXES) + set(_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_FIND_LIBRARY_SUFFIXES}") + else() + set(_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES) + endif() + # Prefix/suffix of the win32/Makefile.gcc build + if(WIN32) + list(APPEND CMAKE_FIND_LIBRARY_PREFIXES "" "lib") + list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES ".dll.a") + endif() + # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES + if(ZLIB_USE_STATIC_LIBS) + if(WIN32) + set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) + else() + set(CMAKE_FIND_LIBRARY_SUFFIXES .a) + endif() + endif() + 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() + # Restore the original find library ordering + if(DEFINED _zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES) + set(CMAKE_FIND_LIBRARY_SUFFIXES "${_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}") + else() + set(CMAKE_FIND_LIBRARY_SUFFIXES) + endif() + if(DEFINED _zlib_ORIG_CMAKE_FIND_LIBRARY_PREFIXES) + set(CMAKE_FIND_LIBRARY_PREFIXES "${_zlib_ORIG_CMAKE_FIND_LIBRARY_PREFIXES}") + else() + set(CMAKE_FIND_LIBRARY_PREFIXES) + endif() + include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) select_library_configurations(ZLIB) endif() @@ -114,11 +192,14 @@ if(ZLIB_INCLUDE_DIR AND EXISTS "${ZLIB_INCLUDE_DIR}/zlib.h") set(ZLIB_MAJOR_VERSION "${ZLIB_VERSION_MAJOR}") set(ZLIB_MINOR_VERSION "${ZLIB_VERSION_MINOR}") set(ZLIB_PATCH_VERSION "${ZLIB_VERSION_PATCH}") + + set(ZLIB_VERSION ${ZLIB_VERSION_STRING}) endif() include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZLIB REQUIRED_VARS ZLIB_LIBRARY ZLIB_INCLUDE_DIR - VERSION_VAR ZLIB_VERSION_STRING) + VERSION_VAR ZLIB_VERSION + HANDLE_COMPONENTS) if(ZLIB_FOUND) set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR}) |