https://github.com/clementine-player/Clementine/pull/7238
https://bugs.gentoo.org/887105

--- a/3rdparty/qtiocompressor/CMakeLists.txt
+++ b/3rdparty/qtiocompressor/CMakeLists.txt
@@ -15,4 +15,4 @@ ADD_LIBRARY(qtiocompressor STATIC
     ${IOCOMPRESSOR-SOURCES-MOC}
 )
 
-target_link_libraries(qtiocompressor Qt5::Core)
+target_link_libraries(qtiocompressor Qt5::Core ${ZLIB_LIBRARIES})
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,9 +78,7 @@ pkg_check_modules(LIBXML libxml-2.0)
 pkg_check_modules(LIBSPOTIFY libspotify>=12.1.45)
 pkg_check_modules(TAGLIB taglib)
 
-if (WIN32)
   find_package(ZLIB REQUIRED)
-endif (WIN32)
 
 find_library(LASTFM5_LIBRARIES lastfm5)
 find_path(LASTFM5_INCLUDE_DIRS lastfm5/ws.h)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1303,7 +1303,6 @@ target_link_libraries(clementine_lib
   ${SQLITE_LIBRARIES}
 
   Qocoa
-  z
 )
 
 link_directories(