Index: b/libarchive/CMakeLists.txt
===================================================================
--- a/libarchive/CMakeLists.txt
+++ b/libarchive/CMakeLists.txt
@@ -266,13 +266,13 @@ IF(ENABLE_INSTALL)
   IF(BUILD_SHARED_LIBS)
     INSTALL(TARGETS archive
             RUNTIME DESTINATION bin
-            LIBRARY DESTINATION lib
-            ARCHIVE DESTINATION lib)
+            LIBRARY DESTINATION lib${LIB_SUFFIX}
+            ARCHIVE DESTINATION lib${LIB_SUFFIX})
   ENDIF(BUILD_SHARED_LIBS)
   INSTALL(TARGETS archive_static
           RUNTIME DESTINATION bin
-          LIBRARY DESTINATION lib
-          ARCHIVE DESTINATION lib)
+          LIBRARY DESTINATION lib${LIB_SUFFIX}
+          ARCHIVE DESTINATION lib${LIB_SUFFIX})
   INSTALL_MAN(${libarchive_MANS})
   INSTALL(FILES ${include_HEADERS} DESTINATION include)
 ENDIF()
Index: b/build/cmake/CreatePkgConfigFile.cmake
===================================================================
--- a/build/cmake/CreatePkgConfigFile.cmake
+++ b/build/cmake/CreatePkgConfigFile.cmake
@@ -4,7 +4,7 @@
 # Set the required variables (we use the same input file as autotools)
 SET(prefix ${CMAKE_INSTALL_PREFIX})
 SET(exec_prefix \${prefix})
-SET(libdir \${exec_prefix}/lib)
+SET(libdir \${exec_prefix}/lib${LIB_SUFFIX})
 SET(includedir \${prefix}/include)
 # Now, this is not particularly pretty, nor is it terribly accurate...
 # Loop over all our additional libs
@@ -29,5 +29,5 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DI
 # And install it, of course ;).
 IF(ENABLE_INSTALL)
   INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/build/pkgconfig/libarchive.pc
-          DESTINATION "lib/pkgconfig")
+          DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
 ENDIF()