diff --git a/base/glibc-compatibility/memcpy/memcpy.h b/base/glibc-compatibility/memcpy/memcpy.h
index 211d144cecb..9bee26a3722 100644
--- a/base/glibc-compatibility/memcpy/memcpy.h
+++ b/base/glibc-compatibility/memcpy/memcpy.h
@@ -1,4 +1,4 @@
-#include <cstddef>
+#include <stddef.h>
 
 #include <emmintrin.h>
 
diff --git a/cmake/linux/toolchain-x86_64.cmake b/cmake/linux/toolchain-x86_64.cmake
new file mode 100644
index 00000000000..6773bdbd64d
--- /dev/null
+++ b/cmake/linux/toolchain-x86_64.cmake
@@ -0,0 +1,29 @@
+set (CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+
+set (CMAKE_SYSTEM_NAME "Linux")
+set (CMAKE_SYSTEM_PROCESSOR "x86_64")
+set (CMAKE_C_COMPILER_TARGET "x86_64-linux-gnu")
+set (CMAKE_CXX_COMPILER_TARGET "x86_64-linux-gnu")
+set (CMAKE_ASM_COMPILER_TARGET "x86_64-linux-gnu")
+
+set (TOOLCHAIN_PATH "${CMAKE_CURRENT_LIST_DIR}/../../contrib/sysroot/linux-x86_64")
+
+set (CMAKE_SYSROOT "${TOOLCHAIN_PATH}/x86_64-linux-gnu/libc")
+
+set (CMAKE_AR "llvm-ar" CACHE FILEPATH "" FORCE)
+set (CMAKE_RANLIB "llvm-ranlib" CACHE FILEPATH "" FORCE)
+
+set (CMAKE_C_FLAGS_INIT "${CMAKE_C_FLAGS} --gcc-toolchain=${TOOLCHAIN_PATH}")
+set (CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS} --gcc-toolchain=${TOOLCHAIN_PATH}")
+set (CMAKE_ASM_FLAGS_INIT "${CMAKE_ASM_FLAGS} --gcc-toolchain=${TOOLCHAIN_PATH}")
+
+set (LINKER_NAME "ld.lld" CACHE STRING "" FORCE)
+
+set (CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld")
+set (CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld")
+
+set (HAS_PRE_1970_EXITCODE "0" CACHE STRING "Result from TRY_RUN" FORCE)
+set (HAS_PRE_1970_EXITCODE__TRYRUN_OUTPUT "" CACHE STRING "Output from TRY_RUN" FORCE)
+
+set (HAS_POST_2038_EXITCODE "0" CACHE STRING "Result from TRY_RUN" FORCE)
+set (HAS_POST_2038_EXITCODE__TRYRUN_OUTPUT "" CACHE STRING "Output from TRY_RUN" FORCE)
diff --git a/cmake/tools.cmake b/cmake/tools.cmake
index f94f4b289a3..4b2db0dedab 100644
--- a/cmake/tools.cmake
+++ b/cmake/tools.cmake
@@ -89,4 +89,3 @@ if (LINKER_NAME)
 
     message(STATUS "Using custom linker by name: ${LINKER_NAME}")
 endif ()
-
diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index 140cc0846ec..4d817c4c6e2 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -163,7 +163,7 @@ endif ()
 if(USE_INTERNAL_SNAPPY_LIBRARY)
     set(SNAPPY_BUILD_TESTS 0 CACHE INTERNAL "")
 
-    add_subdirectory(snappy)
+    add_subdirectory(snappy-cmake)
 
     set (SNAPPY_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/snappy")
 endif()
@@ -215,6 +215,7 @@ function(add_llvm)
 
     # Do not adjust RPATH in llvm, since then it will not be able to find libcxx/libcxxabi/libunwind
     set (CMAKE_INSTALL_RPATH "ON")
+    set (LLVM_COMPILER_CHECKED 1 CACHE INTERNAL "")
     set (LLVM_ENABLE_EH 1 CACHE INTERNAL "")
     set (LLVM_ENABLE_RTTI 1 CACHE INTERNAL "")
     set (LLVM_ENABLE_PIC 0 CACHE INTERNAL "")
diff --git a/contrib/arrow-cmake/CMakeLists.txt b/contrib/arrow-cmake/CMakeLists.txt
index 427379dc9b2..841c280d192 100644
--- a/contrib/arrow-cmake/CMakeLists.txt
+++ b/contrib/arrow-cmake/CMakeLists.txt
@@ -54,7 +54,7 @@ target_link_libraries (${THRIFT_LIBRARY} PRIVATE boost::headers_only)
 set(ORC_SOURCE_DIR "${ClickHouse_SOURCE_DIR}/contrib/orc/c++")
 set(ORC_INCLUDE_DIR "${ORC_SOURCE_DIR}/include")
 set(ORC_SOURCE_SRC_DIR "${ORC_SOURCE_DIR}/src")
-set(ORC_SOURCE_WRAP_DIR "${ORC_SOURCE_DIR}/wrap")
+# set(ORC_SOURCE_WRAP_DIR "${ORC_SOURCE_DIR}/wrap")
 
 set(ORC_BUILD_SRC_DIR "${CMAKE_CURRENT_BINARY_DIR}/../orc/c++/src")
 set(ORC_BUILD_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/../orc/c++/include")
@@ -101,7 +101,14 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
     set(CXX11_FLAGS "-std=c++0x")
 endif ()
 
-include("${ClickHouse_SOURCE_DIR}/contrib/orc/cmake_modules/CheckSourceCompiles.cmake")
+set (ORC_CXX_HAS_INITIALIZER_LIST 1)
+set (ORC_CXX_HAS_NOEXCEPT 1)
+set (ORC_CXX_HAS_NULLPTR 1)
+set (ORC_CXX_HAS_OVERRIDE 1)
+set (ORC_CXX_HAS_UNIQUE_PTR 1)
+set (ORC_CXX_HAS_CSTDINT 1)
+set (ORC_CXX_HAS_THREAD_LOCAL 1)
+
 include(orc_check.cmake)
 configure_file("${ORC_INCLUDE_DIR}/orc/orc-config.hh.in" "${ORC_BUILD_INCLUDE_DIR}/orc/orc-config.hh")
 configure_file("${ORC_SOURCE_SRC_DIR}/Adaptor.hh.in" "${ORC_BUILD_INCLUDE_DIR}/Adaptor.hh")
diff --git a/contrib/arrow-cmake/orc_check.cmake b/contrib/arrow-cmake/orc_check.cmake
index ad3b72e44cf..523e1cf1d86 100644
--- a/contrib/arrow-cmake/orc_check.cmake
+++ b/contrib/arrow-cmake/orc_check.cmake
@@ -1,130 +1,14 @@
-# Not changed part of contrib/orc/c++/src/CMakeLists.txt
+set (HAS_PREAD 1)
+set (HAS_STRPTIME 1)
+set (HAS_STOLL 1)
+set (INT64_IS_LL 1)
+set (HAS_DIAGNOSTIC_PUSH 1)
+set (HAS_STD_ISNAN 1)
+set (HAS_STD_MUTEX 1)
+set (NEEDS_REDUNDANT_MOVE 1)
+set (HAS_PRE_1970 1)
+set (HAS_POST_2038 1)
+set (NEEDS_Z_PREFIX 0)
 
-INCLUDE(CheckCXXSourceCompiles)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<fcntl.h>
-    #include<unistd.h>
-    int main(int,char*[]){
-      int f = open(\"/x/y\", O_RDONLY);
-      char buf[100];
-      return pread(f, buf, 100, 1000) == 0;
-    }"
-  HAS_PREAD
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<time.h>
-    int main(int,char*[]){
-      struct tm time2020;
-      return !strptime(\"2020-02-02 12:34:56\", \"%Y-%m-%d %H:%M:%S\", &time2020);
-    }"
-  HAS_STRPTIME
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<string>
-    int main(int,char* argv[]){
-      return static_cast<int>(std::stoll(argv[0]));
-    }"
-  HAS_STOLL
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<stdint.h>
-    #include<stdio.h>
-    int main(int,char*[]){
-      int64_t x = 1; printf(\"%lld\",x);
-    }"
-  INT64_IS_LL
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #ifdef __clang__
-      #pragma clang diagnostic push
-      #pragma clang diagnostic ignored \"-Wdeprecated\"
-      #pragma clang diagnostic pop
-   #elif defined(__GNUC__)
-      #pragma GCC diagnostic push
-      #pragma GCC diagnostic ignored \"-Wdeprecated\"
-      #pragma GCC diagnostic pop
-   #elif defined(_MSC_VER)
-      #pragma warning( push )
-      #pragma warning( disable : 4996 )
-      #pragma warning( pop )
-   #else
-     unknownCompiler!
-   #endif
-   int main(int, char *[]) {}"
-  HAS_DIAGNOSTIC_PUSH
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<cmath>
-    int main(int, char *[]) {
-      return std::isnan(1.0f);
-    }"
-  HAS_STD_ISNAN
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<mutex>
-    int main(int, char *[]) {
-       std::mutex test_mutex;
-       std::lock_guard<std::mutex> lock_mutex(test_mutex);
-    }"
-  HAS_STD_MUTEX
-)
-
-CHECK_CXX_SOURCE_COMPILES("
-    #include<string>
-    std::string func() {
-      std::string var = \"test\";
-      return std::move(var);
-    }
-    int main(int, char *[]) {}"
-  NEEDS_REDUNDANT_MOVE
-)
-
-INCLUDE(CheckCXXSourceRuns)
-
-CHECK_CXX_SOURCE_RUNS("
-    #include<time.h>
-    int main(int, char *[]) {
-      time_t t = -14210715; // 1969-07-20 12:34:45
-      struct tm *ptm = gmtime(&t);
-      return !(ptm && ptm->tm_year == 69);
-    }"
-  HAS_PRE_1970
-)
-
-CHECK_CXX_SOURCE_RUNS("
-    #include<stdlib.h>
-    #include<time.h>
-    int main(int, char *[]) {
-      setenv(\"TZ\", \"America/Los_Angeles\", 1);
-      tzset();
-      struct tm time2037;
-      struct tm time2038;
-      strptime(\"2037-05-05 12:34:56\", \"%Y-%m-%d %H:%M:%S\", &time2037);
-      strptime(\"2038-05-05 12:34:56\", \"%Y-%m-%d %H:%M:%S\", &time2038);
-      return mktime(&time2038) - mktime(&time2037) != 31536000;
-    }"
-  HAS_POST_2038
-)
-
-set(CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIR})
-set(CMAKE_REQUIRED_LIBRARIES zlib)
-CHECK_CXX_SOURCE_COMPILES("
-    #define Z_PREFIX
-    #include<zlib.h>
-    z_stream strm;
-    int main(int, char *[]) {
-        deflateReset(&strm);
-    }"
-  NEEDS_Z_PREFIX
-)
-
-# See https://cmake.org/cmake/help/v3.14/policy/CMP0075.html. Without unsetting it breaks thrift.
 set(CMAKE_REQUIRED_INCLUDES)
 set(CMAKE_REQUIRED_LIBRARIES)
diff --git a/contrib/grpc-cmake/protobuf_generate_grpc.cmake b/contrib/grpc-cmake/protobuf_generate_grpc.cmake
index 08d2976c26a..726428a7597 100644
--- a/contrib/grpc-cmake/protobuf_generate_grpc.cmake
+++ b/contrib/grpc-cmake/protobuf_generate_grpc.cmake
@@ -187,7 +187,7 @@ function(protobuf_generate_grpc)
 
     add_custom_command(
       OUTPUT ${_generated_srcs}
-      COMMAND protobuf::protoc
+      COMMAND $<TARGET_FILE:protobuf::protoc>
       ARGS --${protobuf_generate_grpc_LANGUAGE}_out ${_dll_export_decl}${protobuf_generate_grpc_PROTOC_OUT_DIR}
            --grpc_out ${_dll_export_decl}${protobuf_generate_grpc_PROTOC_OUT_DIR}
            --plugin=protoc-gen-grpc=$<TARGET_FILE:${protobuf_generate_grpc_PLUGIN}>
@@ -204,4 +204,4 @@ function(protobuf_generate_grpc)
   if(protobuf_generate_grpc_TARGET)
     target_sources(${protobuf_generate_grpc_TARGET} PRIVATE ${_generated_srcs_all})
   endif()
-endfunction()
\ No newline at end of file
+endfunction()
diff --git a/contrib/krb5-cmake/CMakeLists.txt b/contrib/krb5-cmake/CMakeLists.txt
index 7c750ca12b6..d6c3c23b14e 100644
--- a/contrib/krb5-cmake/CMakeLists.txt
+++ b/contrib/krb5-cmake/CMakeLists.txt
@@ -1,6 +1,6 @@
 find_program(AWK_PROGRAM awk)
 if(NOT AWK_PROGRAM)
-	message(FATAL_ERROR "You need the awk program to build ClickHouse with krb5 enabled.")
+    message(FATAL_ERROR "You need the awk program to build ClickHouse with krb5 enabled.")
 endif()
 
 set(KRB5_SOURCE_DIR "${ClickHouse_SOURCE_DIR}/contrib/krb5/src")
diff --git a/contrib/libhdfs3-cmake/CMake/CMakeTestCompileNestedException.cpp b/contrib/libhdfs3-cmake/CMake/CMakeTestCompileNestedException.cpp
deleted file mode 100644
index 66918ca516e..00000000000
--- a/contrib/libhdfs3-cmake/CMake/CMakeTestCompileNestedException.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <exception>
-#include <stdexcept>
-
-int main() {
-    try {
-        throw 2;
-    } catch (int) {
-        std::throw_with_nested(std::runtime_error("test"));
-    }
-}
diff --git a/contrib/libhdfs3-cmake/CMake/CMakeTestCompileSteadyClock.cpp b/contrib/libhdfs3-cmake/CMake/CMakeTestCompileSteadyClock.cpp
deleted file mode 100644
index afcbe1b83b2..00000000000
--- a/contrib/libhdfs3-cmake/CMake/CMakeTestCompileSteadyClock.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <chrono>
-
-using std::chrono::steady_clock;
-
-void foo(const steady_clock &clock) {
-    return;
-}
diff --git a/contrib/libhdfs3-cmake/CMake/CMakeTestCompileStrerror.cpp b/contrib/libhdfs3-cmake/CMake/CMakeTestCompileStrerror.c
similarity index 100%
rename from contrib/libhdfs3-cmake/CMake/CMakeTestCompileStrerror.cpp
rename to contrib/libhdfs3-cmake/CMake/CMakeTestCompileStrerror.c
diff --git a/contrib/libhdfs3-cmake/CMake/Options.cmake b/contrib/libhdfs3-cmake/CMake/Options.cmake
index 04ab823eedc..402aceac2fa 100644
--- a/contrib/libhdfs3-cmake/CMake/Options.cmake
+++ b/contrib/libhdfs3-cmake/CMake/Options.cmake
@@ -1,4 +1,4 @@
-OPTION(ENABLE_SSE "enable SSE4.2 buildin function" ON)
+OPTION(ENABLE_SSE "enable SSE4.2 builtin function" ON)
 
 INCLUDE (CheckFunctionExists)
 CHECK_FUNCTION_EXISTS(dladdr HAVE_DLADDR)
@@ -21,30 +21,21 @@ ADD_DEFINITIONS(-D_GNU_SOURCE)
 ADD_DEFINITIONS(-D_GLIBCXX_USE_NANOSLEEP)
 
 TRY_COMPILE(STRERROR_R_RETURN_INT
-	${CMAKE_CURRENT_BINARY_DIR}
-	"${HDFS3_ROOT_DIR}/CMake/CMakeTestCompileStrerror.cpp"
+    ${CMAKE_CURRENT_BINARY_DIR}
+    "${CMAKE_CURRENT_SOURCE_DIR}/CMake/CMakeTestCompileStrerror.c"
     CMAKE_FLAGS "-DCMAKE_CXX_LINK_EXECUTABLE='echo not linking now...'"
-	OUTPUT_VARIABLE OUTPUT)
+    OUTPUT_VARIABLE OUTPUT)
 
 MESSAGE(STATUS "Checking whether strerror_r returns an int")
 
 IF(STRERROR_R_RETURN_INT)
-	MESSAGE(STATUS "Checking whether strerror_r returns an int -- yes")
+    MESSAGE(STATUS "Checking whether strerror_r returns an int -- yes")
 ELSE(STRERROR_R_RETURN_INT)
-	MESSAGE(STATUS "Checking whether strerror_r returns an int -- no")
+    MESSAGE(STATUS "Checking whether strerror_r returns an int -- no")
 ENDIF(STRERROR_R_RETURN_INT)
 
-TRY_COMPILE(HAVE_STEADY_CLOCK
-	${CMAKE_CURRENT_BINARY_DIR}
-	"${HDFS3_ROOT_DIR}/CMake/CMakeTestCompileSteadyClock.cpp"
-    CMAKE_FLAGS "-DCMAKE_CXX_LINK_EXECUTABLE='echo not linking now...'"
-	OUTPUT_VARIABLE OUTPUT)
-
-TRY_COMPILE(HAVE_NESTED_EXCEPTION
-	${CMAKE_CURRENT_BINARY_DIR}
-	"${HDFS3_ROOT_DIR}/CMake/CMakeTestCompileNestedException.cpp"
-    CMAKE_FLAGS "-DCMAKE_CXX_LINK_EXECUTABLE='echo not linking now...'"
-	OUTPUT_VARIABLE OUTPUT)
+set(HAVE_STEADY_CLOCK 1)
+set(HAVE_NESTED_EXCEPTION 1)
 
 SET(HAVE_BOOST_CHRONO 0)
 SET(HAVE_BOOST_ATOMIC 0)
diff --git a/contrib/protobuf-cmake/protobuf_generate.cmake b/contrib/protobuf-cmake/protobuf_generate.cmake
index fc1dfd9cc11..c444162dd1e 100644
--- a/contrib/protobuf-cmake/protobuf_generate.cmake
+++ b/contrib/protobuf-cmake/protobuf_generate.cmake
@@ -181,11 +181,11 @@ function(protobuf_generate)
 
     add_custom_command(
       OUTPUT ${_generated_srcs}
-      COMMAND  protobuf::protoc
+      COMMAND $<TARGET_FILE:protobuf::protoc>
       ARGS --${protobuf_generate_LANGUAGE}_out ${_dll_export_decl}${protobuf_generate_PROTOC_OUT_DIR} ${_dll_desc_out} ${_protobuf_include_path} ${_abs_file}
       DEPENDS ${_abs_file} protobuf::protoc
       COMMENT "Running ${protobuf_generate_LANGUAGE} protocol buffer compiler on ${_proto}"
-      VERBATIM )
+      VERBATIM)
   endforeach()
 
   set_source_files_properties(${_generated_srcs_all} PROPERTIES GENERATED TRUE)
diff --git a/contrib/rocksdb-cmake/CMakeLists.txt b/contrib/rocksdb-cmake/CMakeLists.txt
index e7ff1f548e3..6ccbd12516e 100644
--- a/contrib/rocksdb-cmake/CMakeLists.txt
+++ b/contrib/rocksdb-cmake/CMakeLists.txt
@@ -106,18 +106,6 @@ if(NOT MSVC)
   set(CMAKE_REQUIRED_FLAGS "-msse4.2 -mpclmul")
 endif()
 
-CHECK_CXX_SOURCE_COMPILES("
-#include <cstdint>
-#include <nmmintrin.h>
-#include <wmmintrin.h>
-int main() {
-  volatile uint32_t x = _mm_crc32_u32(0, 0);
-  const auto a = _mm_set_epi64x(0, 0);
-  const auto b = _mm_set_epi64x(0, 0);
-  const auto c = _mm_clmulepi64_si128(a, b, 0x00);
-  auto d = _mm_cvtsi128_si64(c);
-}
-" HAVE_SSE42)
 unset(CMAKE_REQUIRED_FLAGS)
 if(HAVE_SSE42)
   add_definitions(-DHAVE_SSE42)
@@ -126,14 +114,7 @@ elseif(FORCE_SSE42)
   message(FATAL_ERROR "FORCE_SSE42=ON but unable to compile with SSE4.2 enabled")
 endif()
 
-CHECK_CXX_SOURCE_COMPILES("
-#if defined(_MSC_VER) && !defined(__thread)
-#define __thread __declspec(thread)
-#endif
-int main() {
-  static __thread int tls;
-}
-" HAVE_THREAD_LOCAL)
+set (HAVE_THREAD_LOCAL 1)
 if(HAVE_THREAD_LOCAL)
   add_definitions(-DROCKSDB_SUPPORT_THREAD_LOCAL)
 endif()
@@ -174,20 +155,13 @@ endif()
 
 option(WITH_FALLOCATE "build with fallocate" ON)
 if(WITH_FALLOCATE)
-  CHECK_CXX_SOURCE_COMPILES("
-#include <fcntl.h>
-#include <linux/falloc.h>
-int main() {
- int fd = open(\"/dev/null\", 0);
- fallocate(fd, FALLOC_FL_KEEP_SIZE, 0, 1024);
-}
-" HAVE_FALLOCATE)
+  set (HAVE_FALLOCATE 1)
   if(HAVE_FALLOCATE)
     add_definitions(-DROCKSDB_FALLOCATE_PRESENT)
   endif()
 endif()
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
 #include <fcntl.h>
 int main() {
   int fd = open(\"/dev/null\", 0);
@@ -198,7 +172,7 @@ if(HAVE_SYNC_FILE_RANGE_WRITE)
   add_definitions(-DROCKSDB_RANGESYNC_PRESENT)
 endif()
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
 #include <pthread.h>
 int main() {
   (void) PTHREAD_MUTEX_ADAPTIVE_NP;
diff --git a/contrib/snappy-cmake/CMakeLists.txt b/contrib/snappy-cmake/CMakeLists.txt
new file mode 100644
index 00000000000..3f12d875d6b
--- /dev/null
+++ b/contrib/snappy-cmake/CMakeLists.txt
@@ -0,0 +1,42 @@
+set (SOURCE_DIR "${CMAKE_SOURCE_DIR}/contrib/snappy")
+
+set(SNAPPY_IS_BIG_ENDIAN 0)
+
+include(CheckIncludeFile)
+check_include_file("byteswap.h" HAVE_BYTESWAP_H)
+check_include_file("sys/endian.h" HAVE_SYS_ENDIAN_H)
+check_include_file("sys/mman.h" HAVE_SYS_MMAN_H)
+check_include_file("sys/resource.h" HAVE_SYS_RESOURCE_H)
+check_include_file("sys/time.h" HAVE_SYS_TIME_H)
+check_include_file("sys/uio.h" HAVE_SYS_UIO_H)
+check_include_file("unistd.h" HAVE_UNISTD_H)
+check_include_file("windows.h" HAVE_WINDOWS_H)
+
+set (HAVE_BUILTIN_EXPECT 1)
+set (HAVE_BUILTIN_CTZ 1)
+set (SNAPPY_HAVE_SSSE3 HAVE_SSSE3)
+set (HAVE_FUNC_MMAP 1)
+set (HAVE_FUNC_SYSCONF 1)
+
+configure_file(
+  "${SOURCE_DIR}/cmake/config.h.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/config.h")
+
+set(HAVE_SYS_UIO_H_01 1)
+
+configure_file(
+  "${SOURCE_DIR}/snappy-stubs-public.h.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/snappy-stubs-public.h")
+
+add_library(snappy "")
+target_sources(snappy
+  PRIVATE
+    "${SOURCE_DIR}/snappy-internal.h"
+    "${SOURCE_DIR}/snappy-stubs-internal.h"
+    "${SOURCE_DIR}/snappy-c.cc"
+    "${SOURCE_DIR}/snappy-sinksource.cc"
+    "${SOURCE_DIR}/snappy-stubs-internal.cc"
+    "${SOURCE_DIR}/snappy.cc")
+
+target_include_directories(snappy PUBLIC ${SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+target_compile_definitions(snappy PRIVATE -DHAVE_CONFIG_H)