--- a/cmake/AWSSDKConfig.cmake
+++ b/cmake/AWSSDKConfig.cmake
@@ -97,14 +98,18 @@ if (NOT AWSSDK_CORE_HEADER_FILE)
     message(FATAL_ERROR "AWS SDK for C++ is missing, please install it first")
 endif()
 
-# based on core header file path, inspects the actual AWSSDK_ROOT_DIR
-get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_CORE_HEADER_FILE}" PATH)
-get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
-get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
-get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
-
-if (NOT AWSSDK_ROOT_DIR)
-    message(FATAL_ERROR "AWSSDK_ROOT_DIR is not set or can't be calculated from the path of core header file")
+if (IS_ABSOLUTE ${AWSSDK_INSTALL_LIBDIR})
+    set(AWSSDK_ROOT_DIR "")
+else()
+    # based on core header file path, inspects the actual AWSSDK_ROOT_DIR
+    get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_CORE_HEADER_FILE}" PATH)
+    get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
+    get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
+    get_filename_component(AWSSDK_ROOT_DIR "${AWSSDK_ROOT_DIR}" PATH)
+
+    if (NOT AWSSDK_ROOT_DIR)
+	message(FATAL_ERROR "AWSSDK_ROOT_DIR is not set or can't be calculated from the path of core header file")
+    endif()
 endif()
 
 
diff --git a/cmake/utilities.cmake b/cmake/utilities.cmake
index 283a14a138..646aea1da3 100644
--- a/cmake/utilities.cmake
+++ b/cmake/utilities.cmake
@@ -43,7 +43,8 @@ macro(setup_install)
                 EXPORT "${PROJECT_NAME}-targets"
                 ARCHIVE DESTINATION ${ARCHIVE_DIRECTORY}
                 LIBRARY DESTINATION ${LIBRARY_DIRECTORY}
-                RUNTIME DESTINATION ${BINARY_DIRECTORY} )
+                RUNTIME DESTINATION ${BINARY_DIRECTORY}
+                INCLUDES DESTINATION ${INCLUDE_DIRECTORY} )
 
         if (BUILD_SHARED_LIBS)
             install(
@@ -57,7 +58,8 @@ macro(setup_install)
             install (TARGETS ${PROJECT_NAME}
                      ARCHIVE DESTINATION ${ARCHIVE_DIRECTORY}/${SDK_INSTALL_BINARY_PREFIX}/${PLATFORM_INSTALL_QUALIFIER}/\${CMAKE_INSTALL_CONFIG_NAME}
                      LIBRARY DESTINATION ${LIBRARY_DIRECTORY}/${SDK_INSTALL_BINARY_PREFIX}/${PLATFORM_INSTALL_QUALIFIER}/\${CMAKE_INSTALL_CONFIG_NAME}
-                     RUNTIME DESTINATION ${BINARY_DIRECTORY}/${SDK_INSTALL_BINARY_PREFIX}/${PLATFORM_INSTALL_QUALIFIER}/\${CMAKE_INSTALL_CONFIG_NAME})
+                     RUNTIME DESTINATION ${BINARY_DIRECTORY}/${SDK_INSTALL_BINARY_PREFIX}/${PLATFORM_INSTALL_QUALIFIER}/\${CMAKE_INSTALL_CONFIG_NAME}
+                     INCLUDES DESTINATION ${INCLUDE_DIRECTORY}/${SDK_INSTALL_BINARY_PREFIX}/${PLATFORM_INSTALL_QUALIFIER}/\${CMAKE_INSTALL_CONFIG_NAME})
         endif()
     endif()
 endmacro()
diff --git a/toolchains/pkg-config.pc.in b/toolchains/pkg-config.pc.in
index 9b519d2772..a61069225c 100644
--- a/toolchains/pkg-config.pc.in
+++ b/toolchains/pkg-config.pc.in
@@ -1,5 +1,5 @@
-includedir=@CMAKE_INSTALL_PREFIX@/@INCLUDE_DIRECTORY@
-libdir=@CMAKE_INSTALL_PREFIX@/@LIBRARY_DIRECTORY@
+includedir=@INCLUDE_DIRECTORY@
+libdir=@LIBRARY_DIRECTORY@
 
 Name: @PROJECT_NAME@
 Description: @PROJECT_DESCRIPTION@