--- CMakeLists.txt.orig	2021-02-10 16:16:17 UTC
+++ CMakeLists.txt
@@ -73,7 +73,7 @@ set( SRCS
   "src/qwt3d_io_gl2ps.cpp"
    )
 
-set( HEADERS
+set( HEADERS_PUBLIC
   "include/qwt3d_color.h"
   "include/qwt3d_global.h"
   "include/qwt3d_types.h"
@@ -105,50 +105,65 @@ set( HEADERS
   )
 configure_file( "include/qwt3d_version.h.in" "qwt3d_version.h" @ONLY )
 
-add_library( qwtplot3d ${SRCS} ${HEADERS} )
+set( QWTPLOT3D "qwtplot3d-qt${QT_VERSION_MAJOR}" )
 
-target_link_libraries( qwtplot3d
+add_library( ${QWTPLOT3D} ${SRCS} ${HEADERS_PUBLIC} )
+set_target_properties( ${QWTPLOT3D} PROPERTIES
+  VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+  )
+
+target_link_libraries( ${QWTPLOT3D}
   Qt${QT_VERSION_MAJOR}::Core
   Qt${QT_VERSION_MAJOR}::Gui
   OpenGL::GLU
   )
 
 if( QT_VERSION_MAJOR VERSION_GREATER_EQUAL 6 )
-  target_link_libraries( qwtplot3d Qt${QT_VERSION_MAJOR}::OpenGLWidgets )
+  target_link_libraries( ${QWTPLOT3D} Qt${QT_VERSION_MAJOR}::OpenGLWidgets )
 else()
-  target_link_libraries( qwtplot3d Qt${QT_VERSION_MAJOR}::OpenGL )
+  target_link_libraries( ${QWTPLOT3D} Qt${QT_VERSION_MAJOR}::OpenGL )
 endif()
 
 
-target_include_directories( qwtplot3d PUBLIC include ${CMAKE_CURRENT_BINARY_DIR} )
+target_include_directories( ${QWTPLOT3D} PUBLIC include ${CMAKE_CURRENT_BINARY_DIR} )
 
 if( NOT GL2PS_LIBRARY )
   enable_language( C )
-  target_sources( qwtplot3d PRIVATE "3rdparty/gl2ps/gl2ps.c" "3rdparty/gl2ps/gl2ps.h" )
-  target_include_directories( qwtplot3d PRIVATE "3rdparty/gl2ps" )
+  target_sources( ${QWTPLOT3D} PRIVATE "3rdparty/gl2ps/gl2ps.c" "3rdparty/gl2ps/gl2ps.h" )
+  target_include_directories( ${QWTPLOT3D} PRIVATE "3rdparty/gl2ps" )
 else()
-  target_link_libraries( qwtplot3d ${GL2PS_LIBRARY} )
-  target_include_directories( qwtplot3d PRIVATE ${GL2PS_INCLUDE_DIR} )
+  target_link_libraries( ${QWTPLOT3D} ${GL2PS_LIBRARY} )
+  target_include_directories( ${QWTPLOT3D} PRIVATE ${GL2PS_INCLUDE_DIR} )
 endif()
 
 if( WIN32 AND BUILD_SHARED_LIBS )
-  target_compile_definitions( qwtplot3d PRIVATE QWT3D_DLL QWT3D_MAKEDLL )
+  target_compile_definitions( ${QWTPLOT3D} PRIVATE QWT3D_DLL QWT3D_MAKEDLL )
 endif()
 
 if( ${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR} )
-  add_subdirectory( examples )
+#  add_subdirectory( examples )
 endif()
 
+include(GNUInstallDirs)
 # Don't install qwtplot3d static library and headers if it is built as a subproject
 if( "${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}" )
-  install( TARGETS qwtplot3d
+  install( TARGETS ${QWTPLOT3D}
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/qwtplot3d
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
     )
+  install(
+    FILES ${HEADERS_PUBLIC}
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${QWTPLOT3D}"
+  )
+  install(
+    FILES       "${CMAKE_CURRENT_BINARY_DIR}/qwt3d_version.h"
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${QWTPLOT3D}"
+  )
 elseif( BUILD_SHARED_LIBS )
-  install( TARGETS qwtplot3d
+  install( TARGETS ${QWTPLOT3D}
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
     )