diff options
Diffstat (limited to 'cmake/FindWrapSystemZLIB.cmake')
| -rw-r--r-- | cmake/FindWrapSystemZLIB.cmake | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/cmake/FindWrapSystemZLIB.cmake b/cmake/FindWrapSystemZLIB.cmake new file mode 100644 index 0000000000..5db43db626 --- /dev/null +++ b/cmake/FindWrapSystemZLIB.cmake @@ -0,0 +1,32 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + +# 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) |