******************************************************************************** conan test conan-center-index/recipes/diligent-core/all/test_package/conanfile.py diligent-core/2.5.1@#0140da11a7b23a679f3d5631c1325629 -pr /Users/jenkins/w/BuildSingleReference@4/86951/a296683e-e028-4bcc-a180-fec5f6889b49/profile_osx_120_libcpp_apple-clang_release_64..txt ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/Users/jenkins/w/BuildSingleReference@4/.conan/profiles/default) Found apple-clang 12.0 Default settings os=Macos os_build=Macos arch=x86_64 arch_build=x86_64 compiler=apple-clang compiler.version=12.0 compiler.libcxx=libc++ build_type=Release *** You can change them in /Users/jenkins/w/BuildSingleReference@4/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Release compiler=apple-clang compiler.libcxx=libc++ compiler.version=12.0 os=Macos [options] [build_requires] [env] opengl/system: Not found in local cache, looking in remotes... opengl/system: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py opengl/system: Downloaded recipe revision 3582b5d3184289461f73339622c71d31 libjpeg/9d: Not found in local cache, looking in remotes... libjpeg/9d: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libjpeg/9d: Downloaded recipe revision ac3f948abd7de1310b3cf7de3d287bd1 libtiff/4.3.0: Not found in local cache, looking in remotes... libtiff/4.3.0: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libtiff/4.3.0: Downloaded recipe revision 62ec21b5c4a62a5cd34598e1fb1aef6f zlib/1.2.11: Not found in local cache, looking in remotes... zlib/1.2.11: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz zlib/1.2.11: Downloaded recipe revision b46bf663179824c23085bb71666ba8e6 libdeflate/1.9: Not found in local cache, looking in remotes... libdeflate/1.9: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libdeflate/1.9: Downloaded recipe revision 7df05204cf7be6fef5b844020436ca71 xz_utils/5.2.5: Not found in local cache, looking in remotes... xz_utils/5.2.5: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz xz_utils/5.2.5: Downloaded recipe revision 7419701f9b113d603ce0dd13753efc8c jbig/20160605: Not found in local cache, looking in remotes... jbig/20160605: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz jbig/20160605: Downloaded recipe revision 70ef7e51b061b73993ea64285ca84384 zstd/1.5.2: Not found in local cache, looking in remotes... zstd/1.5.2: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz zstd/1.5.2: Downloaded recipe revision 2f8cc5ea7c06d0763e3fa2161185fcaf libwebp/1.2.2: Not found in local cache, looking in remotes... libwebp/1.2.2: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libwebp/1.2.2: Downloaded recipe revision f399fc90ef885cc5e4a94efc885b5c49 libpng/1.6.37: Not found in local cache, looking in remotes... libpng/1.6.37: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libpng/1.6.37: Downloaded recipe revision fb3adfc5b56c0b1c26781cbc438aa78a spirv-cross/cci.20210930: Not found in local cache, looking in remotes... spirv-cross/cci.20210930: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz spirv-cross/cci.20210930: Downloaded recipe revision 9cd9c8ac503ddcdad9268674b0dafac1 spirv-headers/1.2.198.0: Not found in local cache, looking in remotes... spirv-headers/1.2.198.0: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz spirv-headers/1.2.198.0: Downloaded recipe revision 3cebeee31df641a36e4e183ff78909df spirv-tools/2021.4: Not found in local cache, looking in remotes... spirv-tools/2021.4: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz spirv-tools/2021.4: Downloaded recipe revision 6571b2ab7e469e0e6af884314fe9bc1c vulkan-headers/1.2.198: Not found in local cache, looking in remotes... vulkan-headers/1.2.198: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz vulkan-headers/1.2.198: Downloaded recipe revision 20903519f8893fb98e58fcbe9b4f7101 volk/1.2.198: Not found in local cache, looking in remotes... volk/1.2.198: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz volk/1.2.198: Downloaded recipe revision 27116ad9a5b138d59e9cf807cae5ae88 glslang/11.7.0: Not found in local cache, looking in remotes... glslang/11.7.0: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz glslang/11.7.0: Downloaded recipe revision 4056ae23568019028e593d1a5886bd8e diligent-core/2.5.1 (test package): Installing package Requirements diligent-core/2.5.1 from local cache - Cache glslang/11.7.0 from 'conan-center' - Downloaded jbig/20160605 from 'conan-center' - Downloaded libdeflate/1.9 from 'conan-center' - Downloaded libjpeg/9d from 'conan-center' - Downloaded libpng/1.6.37 from 'conan-center' - Downloaded libtiff/4.3.0 from 'conan-center' - Downloaded libwebp/1.2.2 from 'conan-center' - Downloaded opengl/system from 'conan-center' - Downloaded spirv-cross/cci.20210930 from 'conan-center' - Downloaded spirv-headers/1.2.198.0 from 'conan-center' - Downloaded spirv-tools/2021.4 from 'conan-center' - Downloaded volk/1.2.198 from 'conan-center' - Downloaded vulkan-headers/1.2.198 from 'conan-center' - Downloaded xz_utils/5.2.5 from 'conan-center' - Downloaded zlib/1.2.11 from 'conan-center' - Downloaded zstd/1.5.2 from 'conan-center' - Downloaded Packages diligent-core/2.5.1:c6917e61c7eef180d9f3ddf5d5a43b2ff1627122 - Download glslang/11.7.0:cfd1110c8ff6b971a22cc5bba92013dcb62f31c2 - Download jbig/20160605:0500cabd9dcab8e3d59c82a2d7a2c7ed6bd89f93 - Download libdeflate/1.9:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download libjpeg/9d:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download libpng/1.6.37:ac5d0a30f12dfc11387a002e4010b156f3b7eda5 - Download libtiff/4.3.0:9c42a0cabc0bf6ba1b5b7f86bc0c5728bdb6b9fb - Download libwebp/1.2.2:2dbaf0210f4bb922bb094c944e22cc14a0bb05f6 - Download opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download spirv-cross/cci.20210930:12a03820f3577ec21adf8fc8ce36ca664c09feae - Download spirv-headers/1.2.198.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download spirv-tools/2021.4:fd5110654528bd672374daa1648604f51e27ccb3 - Download volk/1.2.198:c94bc65e64bbfb5869106588c89f804dfb0f1e3c - Download vulkan-headers/1.2.198:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download xz_utils/5.2.5:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download zlib/1.2.11:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download zstd/1.5.2:5705a7fa97c7293d9657913109fadb0b722cb589 - Download Installing (downloading, building) binaries... jbig/20160605: Retrieving package 0500cabd9dcab8e3d59c82a2d7a2c7ed6bd89f93 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz jbig/20160605: Package installed 0500cabd9dcab8e3d59c82a2d7a2c7ed6bd89f93 jbig/20160605: Downloaded package revision 0fbc166fe986cd08b5f41106ad315682 libdeflate/1.9: Retrieving package 647afeb69d3b0a2d3d316e80b24d38c714cc6900 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libdeflate/1.9: Package installed 647afeb69d3b0a2d3d316e80b24d38c714cc6900 libdeflate/1.9: Downloaded package revision abb7c6153debf12602d0815a5e017018 libjpeg/9d: Retrieving package 647afeb69d3b0a2d3d316e80b24d38c714cc6900 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libjpeg/9d: Package installed 647afeb69d3b0a2d3d316e80b24d38c714cc6900 libjpeg/9d: Downloaded package revision 4ee525401494140fe2f957dc5120db13 libwebp/1.2.2: Retrieving package 2dbaf0210f4bb922bb094c944e22cc14a0bb05f6 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libwebp/1.2.2: Package installed 2dbaf0210f4bb922bb094c944e22cc14a0bb05f6 libwebp/1.2.2: Downloaded package revision 890a77d807da7627857345033a0d9e03 opengl/system: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz opengl/system: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 opengl/system: Downloaded package revision e0c823b9bed28348dd7f3bcedf045c58 spirv-cross/cci.20210930: Retrieving package 12a03820f3577ec21adf8fc8ce36ca664c09feae from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz spirv-cross/cci.20210930: Package installed 12a03820f3577ec21adf8fc8ce36ca664c09feae spirv-cross/cci.20210930: Downloaded package revision 597e56f6f0ae00d0027e8bccf3fd3a33 spirv-headers/1.2.198.0: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz spirv-headers/1.2.198.0: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 spirv-headers/1.2.198.0: Downloaded package revision 1cb570430d589aa467e130baf6cf4224 vulkan-headers/1.2.198: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz vulkan-headers/1.2.198: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 vulkan-headers/1.2.198: Downloaded package revision 5c85a7cb42a7665516374d4ff616722a xz_utils/5.2.5: Retrieving package 647afeb69d3b0a2d3d316e80b24d38c714cc6900 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz xz_utils/5.2.5: Package installed 647afeb69d3b0a2d3d316e80b24d38c714cc6900 xz_utils/5.2.5: Downloaded package revision f06ed60677169114b5a761a0f4959bef zlib/1.2.11: Retrieving package 647afeb69d3b0a2d3d316e80b24d38c714cc6900 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz zlib/1.2.11: Package installed 647afeb69d3b0a2d3d316e80b24d38c714cc6900 zlib/1.2.11: Downloaded package revision 8243c75656991429381f4ba216acb66b zstd/1.5.2: Retrieving package 5705a7fa97c7293d9657913109fadb0b722cb589 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz zstd/1.5.2: Package installed 5705a7fa97c7293d9657913109fadb0b722cb589 zstd/1.5.2: Downloaded package revision 699074aff6d7c54b3f7213f193fa5593 libpng/1.6.37: Retrieving package ac5d0a30f12dfc11387a002e4010b156f3b7eda5 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libpng/1.6.37: Package installed ac5d0a30f12dfc11387a002e4010b156f3b7eda5 libpng/1.6.37: Downloaded package revision 017d0588e12fdfe830f78af6868f29dc libtiff/4.3.0: Retrieving package 9c42a0cabc0bf6ba1b5b7f86bc0c5728bdb6b9fb from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libtiff/4.3.0: Package installed 9c42a0cabc0bf6ba1b5b7f86bc0c5728bdb6b9fb libtiff/4.3.0: Downloaded package revision ddb7d4c8ce17e85b69097b29e274d8fc spirv-tools/2021.4: Retrieving package fd5110654528bd672374daa1648604f51e27ccb3 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz spirv-tools/2021.4: Package installed fd5110654528bd672374daa1648604f51e27ccb3 spirv-tools/2021.4: Downloaded package revision 60cc6722ffb3427c26e2fa480b5fa01a volk/1.2.198: Retrieving package c94bc65e64bbfb5869106588c89f804dfb0f1e3c from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz volk/1.2.198: Package installed c94bc65e64bbfb5869106588c89f804dfb0f1e3c volk/1.2.198: Downloaded package revision 5e54ebd3c3fd7484f493109b8b351fcb glslang/11.7.0: Retrieving package cfd1110c8ff6b971a22cc5bba92013dcb62f31c2 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz glslang/11.7.0: Package installed cfd1110c8ff6b971a22cc5bba92013dcb62f31c2 glslang/11.7.0: Downloaded package revision 2c1bac0a6fc9f8fd5fd712c8a293fff5 diligent-core/2.5.1: Retrieving package c6917e61c7eef180d9f3ddf5d5a43b2ff1627122 from remote 'c3i_PR-9451' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz diligent-core/2.5.1: Package installed c6917e61c7eef180d9f3ddf5d5a43b2ff1627122 diligent-core/2.5.1: Downloaded package revision 9be1504464c08ea73183bad73363309f jbig/20160605: Appending PATH environment variable: /Users/jenkins/w/BuildSingleReference@4/.conan/data/jbig/20160605/_/_/package/0500cabd9dcab8e3d59c82a2d7a2c7ed6bd89f93/bin spirv-cross/cci.20210930: Appending PATH environment variable: /Users/jenkins/w/BuildSingleReference@4/.conan/data/spirv-cross/cci.20210930/_/_/package/12a03820f3577ec21adf8fc8ce36ca664c09feae/bin spirv-tools/2021.4: Appending PATH environment variable: /Users/jenkins/w/BuildSingleReference@4/.conan/data/spirv-tools/2021.4/_/_/package/fd5110654528bd672374daa1648604f51e27ccb3/bin glslang/11.7.0: Appending PATH environment variable: /Users/jenkins/w/BuildSingleReference@4/.conan/data/glslang/11.7.0/_/_/package/cfd1110c8ff6b971a22cc5bba92013dcb62f31c2/bin diligent-core/2.5.1 (test package): Generator txt created conanbuildinfo.txt diligent-core/2.5.1 (test package): Generator cmake created conanbuildinfo.cmake diligent-core/2.5.1 (test package): Aggregating env generators diligent-core/2.5.1 (test package): Generated conaninfo.txt diligent-core/2.5.1 (test package): Generated graphinfo Using lockfile: '/Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package/build/28b179d48aba3937a1b16e7fa5a8138a06b6acb8/conan.lock' Using cached profile from lockfile [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK diligent-core/2.5.1 (test package): Calling build() ----Running------ > cd '/Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package/build/28b179d48aba3937a1b16e7fa5a8138a06b6acb8' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCMAKE_OSX_ARCHITECTURES="x86_64" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="apple-clang" -DCONAN_COMPILER_VERSION="12.0" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libc++" -DCMAKE_INSTALL_PREFIX="/Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package/build/28b179d48aba3937a1b16e7fa5a8138a06b6acb8/package" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package' ----------------- -- The C compiler identification is AppleClang 12.0.5.12050022 -- The CXX compiler identification is AppleClang 12.0.5.12050022 -- Check for working C compiler: /Applications/conan/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- Check for working C compiler: /Applications/conan/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /Applications/conan/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- Check for working CXX compiler: /Applications/conan/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- Conan: called by CMake conan helper -- Conan: Adjusting output directories -- Conan: Using cmake global configuration -- Conan: Adjusting default RPATHs Conan policies -- Conan: Adjusting language standard -- Conan: C++ stdlib: libc++ -- Configuring done -- Generating done -- Build files have been written to: /Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package/build/28b179d48aba3937a1b16e7fa5a8138a06b6acb8 ----Running------ > cmake --build '/Users/jenkins/w/BuildSingleReference@4/conan-center-index/recipes/diligent-core/all/test_package/build/28b179d48aba3937a1b16e7fa5a8138a06b6acb8' '--' '-j4' ----------------- Scanning dependencies of target test_package [ 50%] Building CXX object CMakeFiles/test_package.dir/test_package.cpp.o [100%] Linking CXX executable bin/test_package [100%] Built target test_package diligent-core/2.5.1 (test package): Running test() ----Running------ > DYLD_LIBRARY_PATH="/Users/jenkins/w/BuildSingleReference@4/.conan/data/diligent-core/2.5.1/_/_/package/c6917e61c7eef180d9f3ddf5d5a43b2ff1627122/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/libtiff/4.3.0/_/_/package/9c42a0cabc0bf6ba1b5b7f86bc0c5728bdb6b9fb/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/libpng/1.6.37/_/_/package/ac5d0a30f12dfc11387a002e4010b156f3b7eda5/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/spirv-cross/cci.20210930/_/_/package/12a03820f3577ec21adf8fc8ce36ca664c09feae/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/volk/1.2.198/_/_/package/c94bc65e64bbfb5869106588c89f804dfb0f1e3c/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/glslang/11.7.0/_/_/package/cfd1110c8ff6b971a22cc5bba92013dcb62f31c2/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/libjpeg/9d/_/_/package/647afeb69d3b0a2d3d316e80b24d38c714cc6900/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/zlib/1.2.11/_/_/package/647afeb69d3b0a2d3d316e80b24d38c714cc6900/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/libdeflate/1.9/_/_/package/647afeb69d3b0a2d3d316e80b24d38c714cc6900/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/xz_utils/5.2.5/_/_/package/647afeb69d3b0a2d3d316e80b24d38c714cc6900/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/jbig/20160605/_/_/package/0500cabd9dcab8e3d59c82a2d7a2c7ed6bd89f93/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/zstd/1.5.2/_/_/package/5705a7fa97c7293d9657913109fadb0b722cb589/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/libwebp/1.2.2/_/_/package/2dbaf0210f4bb922bb094c944e22cc14a0bb05f6/lib:/Users/jenkins/w/BuildSingleReference@4/.conan/data/spirv-tools/2021.4/_/_/package/fd5110654528bd672374daa1648604f51e27ccb3/lib" DYLD_FRAMEWORK_PATH="" bin/test_package ----------------- CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR