diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8d6d900..b8134168 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,7 +75,6 @@ if(MSVC)
 endif()
 
 # Need to set PIC to allow creating shared libraries from object file libraries.
-set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 # Build the set of objects that do not need to be compiled with flags to enable
 # particular architecture features.
@@ -174,19 +173,14 @@ if(LOONGARCH64)
 endif()
 
 # this creates the static library (.a)
-add_library( ${ly_lib_static} STATIC ${ly_lib_parts})
-
-# this creates the shared library (.so)
-add_library( ${ly_lib_shared} SHARED ${ly_lib_parts})
-set_target_properties( ${ly_lib_shared} PROPERTIES OUTPUT_NAME "${ly_lib_name}" )
-set_target_properties( ${ly_lib_shared} PROPERTIES PREFIX "lib" )
-if(WIN32)
-  set_target_properties( ${ly_lib_shared} PROPERTIES IMPORT_PREFIX "lib" )
+ADD_LIBRARY( ${ly_lib_static}  ${ly_lib_parts})
+if (BUILD_SHARED_LIBS)
+  add_definitions("-DLIBYUV_BUILDING_SHARED_LIBRARY")
 endif()
 
+option(BUILD_TOOLS "Build tools" OFF)
+if (BUILD_TOOLS)
 # this creates the cpuid tool
-add_executable      ( cpuid ${ly_base_dir}/util/cpuid.c )
-target_link_libraries  ( cpuid ${ly_lib_static} )
 
 # this creates the conversion tool
 add_executable			( yuvconvert ${ly_base_dir}/util/yuvconvert.cc )
@@ -195,12 +189,21 @@ target_link_libraries	( yuvconvert ${ly_lib_static} )
 # this creates the yuvconstants tool
 add_executable      ( yuvconstants ${ly_base_dir}/util/yuvconstants.c )
 target_link_libraries  ( yuvconstants ${ly_lib_static} )
-
-find_package ( JPEG )
-if (JPEG_FOUND)
-  include_directories( ${JPEG_INCLUDE_DIR} )
-  target_link_libraries( ${ly_lib_shared} ${JPEG_LIBRARY} )
-  add_definitions( -DHAVE_JPEG )
+include(CheckFunctionExists)
+check_function_exists(round HAVE_MATH_SYSTEM)
+if(NOT HAVE_MATH_SYSTEM)
+  target_link_libraries(yuvconstants m)
+endif()
+INSTALL(TARGETS yuvconvert yuvconstants DESTINATION bin)
+endif()
+option(LIBYUV_WITH_JPEG "Build libyuv with jpeg" OFF)
+if (LIBYUV_WITH_JPEG)
+  find_package(JPEG REQUIRED)
+  target_link_libraries(${ly_lib_static} JPEG::JPEG )
+  target_compile_definitions(${ly_lib_static} PRIVATE HAVE_JPEG)
+  if (BUILD_TOOLS)
+    target_compile_definitions(yuvconvert PRIVATE HAVE_JPEG)
+  endif()
 endif()
 
 if(UNIT_TEST)
@@ -246,9 +249,7 @@ endif()
 
 
 # install the conversion tool, .so, .a, and all the header files
-install ( TARGETS yuvconvert DESTINATION bin )
-install ( TARGETS ${ly_lib_static}						DESTINATION lib )
-install ( TARGETS ${ly_lib_shared} LIBRARY DESTINATION lib RUNTIME DESTINATION bin ARCHIVE DESTINATION lib )
+install ( TARGETS ${ly_lib_static} LIBRARY DESTINATION lib RUNTIME DESTINATION bin ARCHIVE DESTINATION lib )
 install ( DIRECTORY ${PROJECT_SOURCE_DIR}/include/		DESTINATION include )
 
 # create the .deb and .rpm packages using cpack