--- CMakeLists.txt.orig	2020-04-07 18:12:36 UTC
+++ CMakeLists.txt
@@ -94,10 +94,9 @@ endif()
 find_package(OpenGL)
 if(OPENGL_FOUND)
   list(APPEND EXTERNAL_INCLUDES ${OPENGL_INCLUDE_DIR})
-  list(APPEND EXTERNAL_LIBRARIES ${OPENGL_LIBRARIES})
+  list(APPEND EXTERNAL_LIBRARIES ${OPENGL_gl_LIBRARY})
 endif()
 
-find_package(GLUT)
 if(GLUT_FOUND)
   list(APPEND EXTERNAL_INCLUDES ${GLUT_INCLUDE_DIR})
   list(APPEND EXTERNAL_LIBRARIES ${GLUT_LIBRARIES})
@@ -164,8 +163,7 @@ endif()
 
 install(FILES gl2ps.h DESTINATION include)
 install(FILES ${CMAKE_SOURCE_DIR}/README.txt DESTINATION ${GL2PS_DOC})
-install(FILES ${CMAKE_SOURCE_DIR}/COPYING.LGPL DESTINATION ${GL2PS_DOC})
-install(FILES ${CMAKE_SOURCE_DIR}/COPYING.GL2PS DESTINATION ${GL2PS_DOC})
+install(FILES ${CMAKE_SOURCE_DIR}/gl2ps.pdf DESTINATION ${GL2PS_DOC})
 install(FILES ${CMAKE_SOURCE_DIR}/gl2psTest.c DESTINATION ${GL2PS_DOC})
 install(FILES ${CMAKE_SOURCE_DIR}/gl2psTestSimple.c DESTINATION ${GL2PS_DOC})
 
@@ -176,7 +174,6 @@ if(GLUT_FOUND)
   target_link_libraries(gl2psTestSimple lib ${EXTERNAL_LIBRARIES})
 endif()
 
-find_package(LATEX)
 if(PDFLATEX_COMPILER)
   add_custom_command(OUTPUT gl2ps.pdf DEPENDS gl2ps.tex
                      COMMAND ${PDFLATEX_COMPILER} ARGS ${CMAKE_SOURCE_DIR}/gl2ps.tex