From 218ac178f4f08ee2c224063c4ba57307b1ff410f Mon Sep 17 00:00:00 2001
From: Jose Luis Blanco Claraco <joseluisblancoc@gmail.com>
Date: Mon, 29 Aug 2022 01:41:27 +0200
Subject: [PATCH] Update cmake variable name (cmake>=3.0)

This fixes build errors on modern distributions (e.g. Debian unstable)
---
 examples/CMakeLists.txt     | 12 ++++++------
 wrappers/cpp/CMakeLists.txt |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 8c6733f1..6f1ffd11 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -25,11 +25,11 @@ if (Threads_FOUND AND OPENGL_FOUND AND GLUT_FOUND)
   add_executable(freenect-chunkview chunkview.c)
   add_executable(freenect-micview micview.c)
 
-  target_link_libraries(freenect-glview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
-  target_link_libraries(freenect-regview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
-  target_link_libraries(freenect-hiview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
-  target_link_libraries(freenect-chunkview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
-  target_link_libraries(freenect-micview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+  target_link_libraries(freenect-glview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+  target_link_libraries(freenect-regview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+  target_link_libraries(freenect-hiview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+  target_link_libraries(freenect-chunkview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+  target_link_libraries(freenect-micview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
 
   install(TARGETS freenect-glview freenect-regview freenect-hiview freenect-chunkview freenect-micview
           DESTINATION bin)
@@ -51,7 +51,7 @@ if (BUILD_C_SYNC)
   if (OPENGL_FOUND AND GLUT_FOUND)
     include_directories(${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIR})
     add_executable(freenect-glpclview glpclview.c)
-    target_link_libraries(freenect-glpclview freenect_sync ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${MATH_LIB})
+    target_link_libraries(freenect-glpclview freenect_sync ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${MATH_LIB})
     install(TARGETS freenect-glpclview
             DESTINATION bin)
   endif ()
diff --git a/wrappers/cpp/CMakeLists.txt b/wrappers/cpp/CMakeLists.txt
index 6d179243..c2222a82 100644
--- a/wrappers/cpp/CMakeLists.txt
+++ b/wrappers/cpp/CMakeLists.txt
@@ -18,8 +18,8 @@ if (BUILD_EXAMPLES)
     target_compile_features(freenect-cppview PUBLIC cxx_std_11)
     target_compile_features(freenect-cpp_pcview PUBLIC cxx_std_11)
 
-    target_link_libraries(freenect-cppview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
-    target_link_libraries(freenect-cpp_pcview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+    target_link_libraries(freenect-cppview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
+    target_link_libraries(freenect-cpp_pcview freenect ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIB})
 
     install(TARGETS freenect-cppview freenect-cpp_pcview
             DESTINATION bin)