--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,9 +99,6 @@ SET(DARWIN FALSE)
 IF ("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
     SET(DARWIN TRUE)
     # suppress rpath warning
-    IF (POLICY CMP0042)
-        CMAKE_POLICY(SET CMP0042 OLD)
-    ENDIF()
 ENDIF()
 
 IF (APPLE)
@@ -127,7 +124,6 @@ ENDIF()
 
 # Set some debug vs opt flags
 if ("${CMAKE_BUILD_TYPE}" MATCHES "Debug" AND NOT MSVC)
-    add_definitions(-Wall -Werror -Wextra -Wno-unused-parameter -Wno-deprecated)
     if((CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.0) OR
         CMAKE_CXX_COMPILER_ID MATCHES "CLANG")
         add_definitions( -Wno-error=implicit-fallthrough)
@@ -215,7 +211,6 @@ INCLUDE("./cmake/AlembicIlmBase.cmake")
 
 # HDF5
 IF (USE_HDF5)
-    FIND_PACKAGE(ZLIB REQUIRED)
     SET(ALEMBIC_WITH_HDF5 "1")
     INCLUDE("./cmake/AlembicHDF5.cmake")
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DH5_USE_18_API")
--- a/lib/Alembic/CMakeLists.txt
+++ b/lib/Alembic/CMakeLists.txt
@@ -69,21 +69,20 @@ ENDIF()
 
 
 TARGET_LINK_LIBRARIES(Alembic
-    LINK_PUBLIC
+    PUBLIC
     ${ALEMBIC_ILMBASE_LIBS}
     ${CMAKE_THREAD_LIBS_INIT}
     ${EXTERNAL_MATH_LIBS}
-    LINK_PRIVATE
+    PRIVATE
     ${HDF5_LIBRARIES}
-    ${ZLIB_LIBRARY}
   )
 
 SET( ALEMBIC_LIB_INSTALL_DIR lib CACHE PATH "Where to install the Alembic libs")
 INSTALL(TARGETS Alembic
         EXPORT AlembicTargets
-        LIBRARY DESTINATION ${ALEMBIC_LIB_INSTALL_DIR}
-        ARCHIVE DESTINATION ${ALEMBIC_LIB_INSTALL_DIR}
-        RUNTIME DESTINATION ${ALEMBIC_LIB_INSTALL_DIR})
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 #-******************************************************************************
 # PACKAGE EXPORTS