qt5base-lts/cmake/FindWrapSystemZLIB.cmake
Lucie Gérard fb1b20eab3 Add license headers to cmake files
CMakeLists.txt and .cmake files of significant size
(more than 2 lines according to our check in tst_license.pl)
now have the copyright and license header.

Existing copyright statements remain intact

Task-number: QTBUG-88621
Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-08-03 17:14:55 +02:00

33 lines
1.3 KiB
CMake

# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
# We can't create the same interface imported target multiple times, CMake will complain if we do
# that. This can happen if the find_package call is done in multiple different subdirectories.
if(TARGET WrapSystemZLIB::WrapSystemZLIB)
set(WrapSystemZLIB_FOUND ON)
return()
endif()
set(WrapSystemZLIB_FOUND OFF)
find_package(ZLIB ${${CMAKE_FIND_PACKAGE_NAME}_FIND_VERSION})
if(ZLIB_FOUND)
set(WrapSystemZLIB_FOUND ON)
add_library(WrapSystemZLIB::WrapSystemZLIB INTERFACE IMPORTED)
if(APPLE)
# On Darwin platforms FindZLIB sets IMPORTED_LOCATION to the absolute path of the library
# within the framework. This ends up as an absolute path link flag, which we don't want,
# because that makes our .prl files un-relocatable and also breaks iOS simulator_and_device
# SDK switching in Xcode.
# Just pass a linker flag instead.
target_link_libraries(WrapSystemZLIB::WrapSystemZLIB INTERFACE "-lz")
else()
target_link_libraries(WrapSystemZLIB::WrapSystemZLIB INTERFACE ZLIB::ZLIB)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(WrapSystemZLIB DEFAULT_MSG WrapSystemZLIB_FOUND)