CMake: use PROJECT_*_DIR and remove superficial project() calls

Apteryks · Nov 10, 2018 · 98563cb · 98563cb
1 parent 202076d
commit 98563cb
Show file tree

Hide file tree

Showing 43 changed files with 398 additions and 422 deletions.
diff --git a/CMake/ConfigureBuild.cmake b/CMake/ConfigureBuild.cmake
@@ -134,9 +134,9 @@ if(SDL2_FOUND OR EMSCRIPTEN)
 endif()
 
 # generate OgreBuildSettings.h
-configure_file(${OGRE_TEMPLATES_DIR}/OgreBuildSettings.h.in ${OGRE_BINARY_DIR}/include/OgreBuildSettings.h @ONLY)
-configure_file(${OGRE_TEMPLATES_DIR}/OgreRTShaderConfig.h.in ${OGRE_BINARY_DIR}/include/OgreRTShaderConfig.h @ONLY)
-configure_file(${OGRE_TEMPLATES_DIR}/OgreGLES2Config.h.in ${OGRE_BINARY_DIR}/include/OgreGLES2Config.h @ONLY)
+configure_file(${OGRE_TEMPLATES_DIR}/OgreBuildSettings.h.in ${PROJECT_BINARY_DIR}/include/OgreBuildSettings.h @ONLY)
+configure_file(${OGRE_TEMPLATES_DIR}/OgreRTShaderConfig.h.in ${PROJECT_BINARY_DIR}/include/OgreRTShaderConfig.h @ONLY)
+configure_file(${OGRE_TEMPLATES_DIR}/OgreGLES2Config.h.in ${PROJECT_BINARY_DIR}/include/OgreGLES2Config.h @ONLY)
 
 set(OGRE_LIB_SUFFIX "")
 
@@ -174,68 +174,68 @@ if (UNIX)
     endif ()
     # there is no pkgconfig file for freeimage, so we need to add that lib manually
     set(OGRE_ADDITIONAL_LIBS "${OGRE_ADDITIONAL_LIBS} -lfreeimage")
-    configure_file(${OGRE_TEMPLATES_DIR}/OGREStatic.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE.pc @ONLY)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGREStatic.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE.pc @ONLY)
   else ()
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE.pc @ONLY)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE.pc @ONLY)
   endif ()
-  install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+  install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
 
   # configure additional packages
 
   if (OGRE_BUILD_PLUGIN_PCZ)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-PCZ.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-PCZ.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-PCZ.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-PCZ.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-PCZ.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-PCZ.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_PAGING)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Paging.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Paging.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Paging.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Paging.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Paging.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Paging.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_MESHLODGENERATOR)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-MeshLodGenerator.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-MeshLodGenerator.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-MeshLodGenerator.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-MeshLodGenerator.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-MeshLodGenerator.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-MeshLodGenerator.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_TERRAIN)
     if (OGRE_BUILD_COMPONENT_PAGING)
       set(OGRE_PAGING_ADDITIONAL_PACKAGES ", OGRE-Paging = ${OGRE_VERSION}")
     endif ()
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Terrain.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Terrain.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Terrain.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Terrain.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Terrain.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Terrain.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_RTSHADERSYSTEM)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-RTShaderSystem.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-RTShaderSystem.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-RTShaderSystem.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-RTShaderSystem.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-RTShaderSystem.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-RTShaderSystem.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_PROPERTY)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Property.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Property.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Property.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Property.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Property.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Property.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_OVERLAY)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Overlay.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Overlay.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Overlay.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Overlay.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Overlay.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Overlay.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_VOLUME)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Volume.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Volume.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Volume.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Volume.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Volume.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Volume.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_BITES)
     if (SDL2_FOUND)
       set(OGRE_BITES_ADDITIONAL_PACKAGES ", sdl2")
     endif ()
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Bites.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Bites.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-Bites.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-Bites.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Bites.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-Bites.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 
   if (OGRE_BUILD_COMPONENT_HLMS)
-    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-HLMS.pc.in ${OGRE_BINARY_DIR}/pkgconfig/OGRE-HLMS.pc @ONLY)
-    install(FILES ${OGRE_BINARY_DIR}/pkgconfig/OGRE-HLMS.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
+    configure_file(${OGRE_TEMPLATES_DIR}/OGRE-HLMS.pc.in ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-HLMS.pc @ONLY)
+    install(FILES ${PROJECT_BINARY_DIR}/pkgconfig/OGRE-HLMS.pc DESTINATION ${OGRE_LIB_DIRECTORY}/pkgconfig)
   endif ()
 endif ()
 

diff --git a/CMake/Dependencies.cmake b/CMake/Dependencies.cmake
@@ -23,37 +23,37 @@ if(OGRE_BUILD_PLATFORM_EMSCRIPTEN)
     ${OGRE_DEPENDENCIES_DIR}
     ${EMSCRIPTEN_ROOT_PATH}/system
     ${ENV_OGRE_DEPENDENCIES_DIR}
-    "${OGRE_BINARY_DIR}/EmscriptenDependencies"
-    "${OGRE_SOURCE_DIR}/EmscriptenDependencies"
-    "${OGRE_BINARY_DIR}/../EmscriptenDependencies"
-    "${OGRE_SOURCE_DIR}/../EmscriptenDependencies"
+    "${PROJECT_BINARY_DIR}/EmscriptenDependencies"
+    "${PROJECT_SOURCE_DIR}/EmscriptenDependencies"
+    "${PROJECT_BINARY_DIR}/../EmscriptenDependencies"
+    "${PROJECT_SOURCE_DIR}/../EmscriptenDependencies"
   )
 elseif(APPLE_IOS)
   set(OGRE_DEP_SEARCH_PATH 
     ${OGRE_DEPENDENCIES_DIR}
     ${ENV_OGRE_DEPENDENCIES_DIR}
-    "${OGRE_BINARY_DIR}/iOSDependencies"
-    "${OGRE_SOURCE_DIR}/iOSDependencies"
-    "${OGRE_BINARY_DIR}/../iOSDependencies"
-    "${OGRE_SOURCE_DIR}/../iOSDependencies"
+    "${PROJECT_BINARY_DIR}/iOSDependencies"
+    "${PROJECT_SOURCE_DIR}/iOSDependencies"
+    "${PROJECT_BINARY_DIR}/../iOSDependencies"
+    "${PROJECT_SOURCE_DIR}/../iOSDependencies"
   )
 elseif(OGRE_BUILD_PLATFORM_ANDROID)
   set(OGRE_DEP_SEARCH_PATH 
     ${OGRE_DEPENDENCIES_DIR}
     ${ENV_OGRE_DEPENDENCIES_DIR}
-    "${OGRE_BINARY_DIR}/AndroidDependencies"
-    "${OGRE_SOURCE_DIR}/AndroidDependencies"
-    "${OGRE_BINARY_DIR}/../AndroidDependencies"
-    "${OGRE_SOURCE_DIR}/../AndroidDependencies"
+    "${PROJECT_BINARY_DIR}/AndroidDependencies"
+    "${PROJECT_SOURCE_DIR}/AndroidDependencies"
+    "${PROJECT_BINARY_DIR}/../AndroidDependencies"
+    "${PROJECT_SOURCE_DIR}/../AndroidDependencies"
   )
 else()
   set(OGRE_DEP_SEARCH_PATH 
     ${OGRE_DEPENDENCIES_DIR}
     ${ENV_OGRE_DEPENDENCIES_DIR}
-    "${OGRE_BINARY_DIR}/Dependencies"
-    "${OGRE_SOURCE_DIR}/Dependencies"
-    "${OGRE_BINARY_DIR}/../Dependencies"
-    "${OGRE_SOURCE_DIR}/../Dependencies"
+    "${PROJECT_BINARY_DIR}/Dependencies"
+    "${PROJECT_SOURCE_DIR}/Dependencies"
+    "${PROJECT_BINARY_DIR}/../Dependencies"
+    "${PROJECT_SOURCE_DIR}/../Dependencies"
   )
 endif()
 
@@ -106,29 +106,29 @@ if(OGRE_BUILD_DEPENDENCIES AND NOT EXISTS ${OGREDEPS_PATH})
         message(STATUS "Building zlib")
         file(DOWNLOAD 
             http://zlib.net/zlib-1.2.11.tar.gz
-            ${OGRE_BINARY_DIR}/zlib-1.2.11.tar.gz 
+            ${PROJECT_BINARY_DIR}/zlib-1.2.11.tar.gz 
             EXPECTED_MD5 1c9f62f0778697a09d36121ead88e08e)
         execute_process(COMMAND ${CMAKE_COMMAND} 
-            -E tar xf zlib-1.2.11.tar.gz WORKING_DIRECTORY ${OGRE_BINARY_DIR})
+            -E tar xf zlib-1.2.11.tar.gz WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
         execute_process(COMMAND ${CMAKE_COMMAND}
             -DCMAKE_INSTALL_PREFIX=${OGREDEPS_PATH}
             -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
             -DBUILD_SHARED_LIBS=${OGREDEPS_SHARED}
             -G ${CMAKE_GENERATOR}
             -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
             ${CROSS}
-            ${OGRE_BINARY_DIR}/zlib-1.2.11
-            WORKING_DIRECTORY ${OGRE_BINARY_DIR}/zlib-1.2.11)
+            ${PROJECT_BINARY_DIR}/zlib-1.2.11
+            WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/zlib-1.2.11)
         execute_process(COMMAND ${CMAKE_COMMAND} 
-            --build ${OGRE_BINARY_DIR}/zlib-1.2.11 ${BUILD_COMMAND_OPTS})
+            --build ${PROJECT_BINARY_DIR}/zlib-1.2.11 ${BUILD_COMMAND_OPTS})
     endif()
 
     message(STATUS "Building ZZIPlib")
     file(DOWNLOAD
         https://github.com/paroj/ZZIPlib/archive/master.tar.gz
-        ${OGRE_BINARY_DIR}/ZZIPlib-master.tar.gz)
+        ${PROJECT_BINARY_DIR}/ZZIPlib-master.tar.gz)
     execute_process(COMMAND ${CMAKE_COMMAND}
-        -E tar xf ZZIPlib-master.tar.gz WORKING_DIRECTORY ${OGRE_BINARY_DIR})
+        -E tar xf ZZIPlib-master.tar.gz WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
     execute_process(COMMAND ${CMAKE_COMMAND}
         -DCMAKE_INSTALL_PREFIX=${OGREDEPS_PATH}
         -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
@@ -137,58 +137,58 @@ if(OGRE_BUILD_DEPENDENCIES AND NOT EXISTS ${OGREDEPS_PATH})
         -G ${CMAKE_GENERATOR}
         -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
         ${CROSS}
-        ${OGRE_BINARY_DIR}/ZZIPlib-master
-        WORKING_DIRECTORY ${OGRE_BINARY_DIR}/ZZIPlib-master)
+        ${PROJECT_BINARY_DIR}/ZZIPlib-master
+        WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/ZZIPlib-master)
     execute_process(COMMAND ${CMAKE_COMMAND} 
-        --build ${OGRE_BINARY_DIR}/ZZIPlib-master ${BUILD_COMMAND_OPTS})
+        --build ${PROJECT_BINARY_DIR}/ZZIPlib-master ${BUILD_COMMAND_OPTS})
 
     message(STATUS "Building freetype")
     file(DOWNLOAD
         https://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.gz
-        ${OGRE_BINARY_DIR}/freetype-2.9.tar.gz)
+        ${PROJECT_BINARY_DIR}/freetype-2.9.tar.gz)
     execute_process(COMMAND ${CMAKE_COMMAND}
-        -E tar xf freetype-2.9.tar.gz WORKING_DIRECTORY ${OGRE_BINARY_DIR})
+        -E tar xf freetype-2.9.tar.gz WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
     # patch toolchain for iOS
     execute_process(COMMAND ${CMAKE_COMMAND} -E copy
-        ${OGRE_SOURCE_DIR}/CMake/toolchain/ios.toolchain.xcode.cmake
+        ${PROJECT_SOURCE_DIR}/CMake/toolchain/ios.toolchain.xcode.cmake
         freetype-2.9/builds/cmake/iOS.cmake
-		WORKING_DIRECTORY ${OGRE_BINARY_DIR})
+		WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
     execute_process(COMMAND ${CMAKE_COMMAND}
         -DCMAKE_INSTALL_PREFIX=${OGREDEPS_PATH}
         -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
         -DBUILD_SHARED_LIBS=${OGREDEPS_SHARED}
         -DWITH_PNG=OFF
         -DWITH_BZip2=OFF # tries to use it on iOS otherwise
         # workaround for broken iOS toolchain in freetype
-        -DPROJECT_SOURCE_DIR=${OGRE_BINARY_DIR}/freetype-2.9
+        -DPROJECT_SOURCE_DIR=${PROJECT_BINARY_DIR}/freetype-2.9
         ${CROSS}
         -G ${CMAKE_GENERATOR}
         -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
-        ${OGRE_BINARY_DIR}/freetype-2.9
-        WORKING_DIRECTORY ${OGRE_BINARY_DIR}/freetype-2.9/objs)
+        ${PROJECT_BINARY_DIR}/freetype-2.9
+        WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/freetype-2.9/objs)
     execute_process(COMMAND ${CMAKE_COMMAND}
-        --build ${OGRE_BINARY_DIR}/freetype-2.9/objs ${BUILD_COMMAND_OPTS})
+        --build ${PROJECT_BINARY_DIR}/freetype-2.9/objs ${BUILD_COMMAND_OPTS})
 
     if(MSVC OR MINGW) # other platforms dont need this
         message(STATUS "Building SDL2")
         file(DOWNLOAD
             https://libsdl.org/release/SDL2-2.0.8.tar.gz
-            ${OGRE_BINARY_DIR}/SDL2-2.0.8.tar.gz)
+            ${PROJECT_BINARY_DIR}/SDL2-2.0.8.tar.gz)
         execute_process(COMMAND ${CMAKE_COMMAND} 
-            -E tar xf SDL2-2.0.8.tar.gz WORKING_DIRECTORY ${OGRE_BINARY_DIR})
+            -E tar xf SDL2-2.0.8.tar.gz WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
         execute_process(COMMAND ${CMAKE_COMMAND}
-            -E make_directory ${OGRE_BINARY_DIR}/SDL2-build)
+            -E make_directory ${PROJECT_BINARY_DIR}/SDL2-build)
         execute_process(COMMAND ${CMAKE_COMMAND}
             -DCMAKE_INSTALL_PREFIX=${OGREDEPS_PATH}
             -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
             -DSDL_STATIC=FALSE
             -G ${CMAKE_GENERATOR}
             -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
             ${CROSS}
-            ${OGRE_BINARY_DIR}/SDL2-2.0.8
-            WORKING_DIRECTORY ${OGRE_BINARY_DIR}/SDL2-build)
+            ${PROJECT_BINARY_DIR}/SDL2-2.0.8
+            WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/SDL2-build)
         execute_process(COMMAND ${CMAKE_COMMAND}
-            --build ${OGRE_BINARY_DIR}/SDL2-build ${BUILD_COMMAND_OPTS})
+            --build ${PROJECT_BINARY_DIR}/SDL2-build ${BUILD_COMMAND_OPTS})
     endif()
 endif()
 
@@ -311,9 +311,9 @@ macro_log_feature(Softimage_FOUND "Softimage" "Softimage SDK needed for building
 # setting everything up, including overriding any of the above
 # findings.
 set(OGREDEPS_RUNTIME_OUTPUT ${OGRE_RUNTIME_OUTPUT})
-if (EXISTS "${OGRE_SOURCE_DIR}/Dependencies/CMakeLists.txt")
+if (EXISTS "${PROJECT_SOURCE_DIR}/Dependencies/CMakeLists.txt")
   add_subdirectory(Dependencies)
-elseif (EXISTS "${OGRE_SOURCE_DIR}/ogredeps/CMakeLists.txt")
+elseif (EXISTS "${PROJECT_SOURCE_DIR}/ogredeps/CMakeLists.txt")
   add_subdirectory(ogredeps)
 endif ()