--- ray/src/CMakeLists.txt	2011/10/22 22:38:10	1.1
+++ ray/src/CMakeLists.txt	2018/06/20 20:51:24	1.8
@@ -4,14 +4,42 @@ if(UNIX)
     message(FATAL_ERROR "Cannot build radiance without libm.  Please set LIB_M")
   endif()
 else()
-  set(LIB_M )
+  set(LIB_M)
 endif()
 
-find_package(OpenGL)
-find_package(X11)
-
 include_directories(common)
-
+# create a macro to generate
+macro(create_version_file version_file)
+  add_custom_command(
+    OUTPUT "${version_file}"
+    COMMAND "${CMAKE_COMMAND}"
+      -DRADIANCE_VERSION="${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_TWEAK}"
+      -DVERSION_OUT_FILE="${version_file}"
+      -DVERSION_IN_FILE="${radiance_SOURCE_DIR}/src/rt/VERSION"
+      -DVERSION_GOLD="${radiance_SOURCE_DIR}/src/rt/Version.c"
+      -P "${radiance_SOURCE_DIR}/src/rt/create_version.cmake"
+  )
+endmacro()
+macro(install_without_extension)
+  foreach(file IN ITEMS ${ARGN})
+    string(REGEX REPLACE "\\.[^.]*$" "" file_we ${file})
+    install(PROGRAMS "${file}"
+      DESTINATION "bin"
+      RENAME "${file_we}"
+    )
+  endforeach()
+endmacro()
+macro(install_and_copy_without_extension)
+  foreach(file IN ITEMS ${ARGN})
+    string(REGEX REPLACE "\\.[^.]*$" "" file_we ${file})
+    install(PROGRAMS "${file}"
+      DESTINATION "bin"
+      RENAME ${file_we}
+    )
+    file(COPY "${file}" DESTINATION "${CMAKE_BINARY_DIR}/bin")
+    file(RENAME "${CMAKE_BINARY_DIR}/bin/${file}" "${CMAKE_BINARY_DIR}/bin/${file_we}")
+  endforeach()
+endmacro()
 add_subdirectory(common)
 add_subdirectory(cal)
 add_subdirectory(cv)
@@ -22,8 +50,7 @@ add_subdirectory(ot)
 add_subdirectory(px)
 add_subdirectory(rt)
 add_subdirectory(util)
-# only use rvu if qt4 is found
-if(QT4_FOUND)
+if(NOT BUILD_HEADLESS AND Qt5Widgets_DIR)
+  # only use qtrvu if qt5 is found
   add_subdirectory(qtrvu)
 endif()
-