diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e863d194..c31e37c15 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ message(STATUS "CMake Module Path: " ${CMAKE_MODULE_PATH})
 
 include(GNUInstallDirs)
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14)
 
 # Set a default build type if none was specified
 set(default_build_type "Release")
@@ -17,6 +17,8 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
       STRING "Choose the type of build." FORCE)
 endif()
 
+set(VISIBILITY_INLINES_HIDDEN 1)
+
 # Use external or embedded dependencies
 option(USGSCSM_EXTERNAL_DEPS "If the library should be built with external or embedded dependencies" OFF)
 option(ENABLE_CURL "Set to build the curl components of proj" OFF)
@@ -166,7 +168,7 @@ else()
 
   # default config is shared
   option(BUILD_SHARED_LIBS
-    "Build PROJ library shared." ON)
+    "Build PROJ library shared." OFF)
 
   find_package(Threads QUIET)
   if(Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
@@ -522,7 +524,6 @@ else()
     ${ALL_LIBPROJ_HEADERS}
     ${PROJ_RESOURCES}
   )
-  add_library(PROJ::proj ALIAS proj)
 
   if(MSVC OR MINGW)
       target_compile_definitions(proj PRIVATE -DNOMINMAX)
@@ -576,7 +577,9 @@ else()
 
   set_target_properties(proj
     PROPERTIES
-    LINKER_LANGUAGE CXX)
+    LINKER_LANGUAGE CXX
+    CXX_VISIBILITY_PRESET hidden
+  )
 
   ##############################################
   # Link properties
@@ -634,6 +637,7 @@ else()
   # ALE
   # Use Eigen included with ALE
   add_library (eigen INTERFACE)
+  set_target_properties(eigen PROPERTIES CXX_VISIBILITY_PRESET hidden)
   add_library (Eigen3::Eigen ALIAS eigen)
   target_include_directories (eigen INTERFACE
     ${CMAKE_CURRENT_SOURCE_DIR}/ale/eigen)
@@ -649,6 +653,7 @@ else()
                        ${CMAKE_CURRENT_SOURCE_DIR}/ale/src/Vectors.cpp)
 
   add_library(ale OBJECT ${ALE_SOURCE_FILES})
+  set_target_properties(ale PROPERTIES CXX_VISIBILITY_PRESET hidden)
   set(ALE_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/ale/include/ale/")
 
   target_include_directories(ale
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 78e24cca5..57dd6dea4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -13,7 +13,9 @@ add_executable(runCSMCameraModelTests
                SarTests.cpp
                ISDParsingTests.cpp
                UtilitiesTests.cpp
-               EigenUtilitiesTests.cpp)
+               EigenUtilitiesTests.cpp
+               ../ale/src/Rotation.cpp
+               ../ale/src/InterpUtils.cpp)
 if(WIN32)
   option(CMAKE_USE_WIN32_THREADS_INIT "using WIN32 threads" ON)
   option(gtest_disable_pthreads "Disable uses of pthreads in gtest." ON)