Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

26 files changed, 1731 insertions, 0 deletions

diff --git a/src/seastar/cmake/FindGnuTLS.cmake b/src/seastar/cmake/FindGnuTLS.cmake
new file mode 100644
index 000000000..79e38dda3
--- /dev/null
+++ b/src/seastar/cmake/FindGnuTLS.cmake
@@ -0,0 +1,62 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_check_modules (PC_GnuTLS QUIET gnutls)
+
+find_library (GnuTLS_LIBRARY
+  NAMES gnutls
+  HINTS
+    ${PC_GnuTLS_LIBDIR}
+    ${PC_GnuTLS_LIBRARY_DIRS})
+
+find_path (GnuTLS_INCLUDE_DIR
+  NAMES gnutls/gnutls.h
+  HINTS
+    ${PC_GnuTLS_INCLUDEDIR}
+    ${PC_GnuTLS_INCLUDE_DIRS})
+
+mark_as_advanced (
+  GnuTLS_LIBRARY
+  GnuTLS_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (GnuTLS
+  REQUIRED_VARS
+    GnuTLS_LIBRARY
+    GnuTLS_INCLUDE_DIR
+  VERSION_VAR PC_GnuTLS_VERSION)
+
+if (GnuTLS_FOUND)
+  set (GnuTLS_LIBRARIES ${GnuTLS_LIBRARY})
+  set (GnuTLS_INCLUDE_DIRS ${GnuTLS_INCLUDE_DIR})
+  if (NOT (TARGET GnuTLS::gnutls))
+    add_library (GnuTLS::gnutls UNKNOWN IMPORTED)
+
+    set_target_properties (GnuTLS::gnutls
+      PROPERTIES
+        IMPORTED_LOCATION ${GnuTLS_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${GnuTLS_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/FindLibUring.cmake b/src/seastar/cmake/FindLibUring.cmake
new file mode 100644
index 000000000..63893fde4
--- /dev/null
+++ b/src/seastar/cmake/FindLibUring.cmake
@@ -0,0 +1,74 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2022 ScyllaDB
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_check_modules (PC_URING QUIET liburing)
+
+find_library (URING_LIBRARY
+  NAMES uring
+  HINTS
+    ${PC_URING_LIBDIR}
+    ${PC_URING_LIBRARY_DIRS})
+
+find_path (URING_INCLUDE_DIR
+  NAMES liburing.h
+  HINTS
+    ${PC_URING_INCLUDEDIR}
+    ${PC_URING_INCLUDE_DIRS})
+
+if (URING_INCLUDE_DIR)
+  include (CheckStructHasMember)
+  include (CMakePushCheckState)
+  cmake_push_check_state (RESET)
+  list(APPEND CMAKE_REQUIRED_INCLUDES ${URING_INCLUDE_DIR})
+  CHECK_STRUCT_HAS_MEMBER ("struct io_uring" features liburing.h
+    HAVE_IOURING_FEATURES LANGUAGE CXX)
+  cmake_pop_check_state ()
+endif ()
+
+mark_as_advanced (
+  URING_LIBRARY
+  URING_INCLUDE_DIR
+  HAVE_IOURING_FEATURES)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (LibUring
+  REQUIRED_VARS
+    URING_LIBRARY
+    URING_INCLUDE_DIR
+    HAVE_IOURING_FEATURES
+  VERSION_VAR PC_URING_VERSION)
+
+if (LibUring_FOUND)
+  set (URING_LIBRARIES ${URING_LIBRARY})
+  set (URING_INCLUDE_DIRS ${URING_INCLUDE_DIR})
+  if (NOT (TARGET URING::uring))
+    add_library (URING::uring UNKNOWN IMPORTED)
+
+    set_target_properties (URING::uring
+      PROPERTIES
+        IMPORTED_LOCATION ${URING_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${URING_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/FindLinuxMembarrier.cmake b/src/seastar/cmake/FindLinuxMembarrier.cmake
new file mode 100644
index 000000000..d4645cffa
--- /dev/null
+++ b/src/seastar/cmake/FindLinuxMembarrier.cmake
@@ -0,0 +1,40 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_path (LinuxMembarrier_INCLUDE_DIR
+  NAMES linux/membarrier.h)
+
+include (CheckCXXSourceCompiles)
+file (READ ${CMAKE_CURRENT_LIST_DIR}/code_tests/LinuxMembarrier_test.cc _linuxmembarrier_test_code)
+check_cxx_source_compiles ("${_linuxmembarrier_test_code}" LinuxMembarrier_FOUND)
+
+if (LinuxMembarrier_FOUND)
+  set (LinuxMembarrier_INCLUDE_DIRS ${LinuxMembarrier_INCLUDE_DIR})
+endif ()
+
+if (LinuxMembarrier_FOUND AND NOT (TARGET LinuxMembarrier::membarrier))
+  add_library (LinuxMembarrier::membarrier INTERFACE IMPORTED)
+
+  set_target_properties (LinuxMembarrier::membarrier
+    PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES ${LinuxMembarrier_INCLUDE_DIRS})
+endif ()
diff --git a/src/seastar/cmake/FindPthreadSetName.cmake b/src/seastar/cmake/FindPthreadSetName.cmake
new file mode 100644
index 000000000..547b9f5a3
--- /dev/null
+++ b/src/seastar/cmake/FindPthreadSetName.cmake
@@ -0,0 +1,12 @@
+include (CMakePushCheckState)
+
+cmake_push_check_state (RESET)
+set (CMAKE_REQUIRED_FLAGS "-pthread")
+set (CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
+check_symbol_exists (pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
+cmake_pop_check_state ()
+
+find_package_handle_standard_args (PthreadSetName
+  FOUND_VAR PthreadSetName_FOUND
+  REQUIRED_VARS
+    HAVE_PTHREAD_SETNAME_NP)
diff --git a/src/seastar/cmake/FindSanitizers.cmake b/src/seastar/cmake/FindSanitizers.cmake
new file mode 100644
index 000000000..316f88ea2
--- /dev/null
+++ b/src/seastar/cmake/FindSanitizers.cmake
@@ -0,0 +1,73 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+include (CheckCXXSourceCompiles)
+
+set (CMAKE_REQUIRED_FLAGS -fsanitize=address)
+check_cxx_source_compiles ("int main() {}" Sanitizers_ADDRESS_FOUND)
+
+if (Sanitizers_ADDRESS_FOUND)
+  set (Sanitizers_ADDRESS_COMPILER_OPTIONS -fsanitize=address)
+endif ()
+
+set (CMAKE_REQUIRED_FLAGS -fsanitize=undefined)
+check_cxx_source_compiles ("int main() {}" Sanitizers_UNDEFINED_BEHAVIOR_FOUND)
+
+if (Sanitizers_UNDEFINED_BEHAVIOR_FOUND)
+  # Disable vptr because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88684
+  set (Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS "-fsanitize=undefined;-fno-sanitize=vptr")
+endif ()
+
+set (Sanitizers_COMPILER_OPTIONS
+  ${Sanitizers_ADDRESS_COMPILER_OPTIONS}
+  ${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS})
+
+file (READ ${CMAKE_CURRENT_LIST_DIR}/code_tests/Sanitizers_fiber_test.cc _sanitizers_fiber_test_code)
+set (CMAKE_REQUIRED_FLAGS ${Sanitizers_COMPILER_OPTIONS})
+check_cxx_source_compiles ("${_sanitizers_fiber_test_code}" Sanitizers_FIBER_SUPPORT)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (Sanitizers
+  REQUIRED_VARS
+    Sanitizers_ADDRESS_COMPILER_OPTIONS
+    Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS)
+
+if (Sanitizers_FOUND)
+  if (NOT (TARGET Sanitizers::address))
+    add_library (Sanitizers::address INTERFACE IMPORTED)
+
+    set_target_properties (Sanitizers::address
+      PROPERTIES
+        INTERFACE_COMPILE_OPTIONS ${Sanitizers_ADDRESS_COMPILER_OPTIONS}
+        INTERFACE_LINK_LIBRARIES ${Sanitizers_ADDRESS_COMPILER_OPTIONS})
+  endif ()
+
+  if (NOT (TARGET Sanitizers::undefined_behavior))
+    add_library (Sanitizers::undefined_behavior INTERFACE IMPORTED)
+
+    set_target_properties (Sanitizers::undefined_behavior
+      PROPERTIES
+        INTERFACE_COMPILE_OPTIONS "${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS}"
+        INTERFACE_LINK_LIBRARIES "${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS}")
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/FindSourceLocation.cmake b/src/seastar/cmake/FindSourceLocation.cmake
new file mode 100644
index 000000000..b8a274b2a
--- /dev/null
+++ b/src/seastar/cmake/FindSourceLocation.cmake
@@ -0,0 +1,46 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2022 Kefu Chai ( tchaikov@gmail.com )
+#
+
+include (CheckCXXSourceCompiles)
+include (CheckCXXSourceRuns)
+include (CMakePushCheckState)
+
+cmake_push_check_state ()
+file (READ ${CMAKE_CURRENT_LIST_DIR}/code_tests/Source_location_test.cc _source_location_test_code)
+set(CMAKE_REQUIRED_FLAGS "${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION}")
+check_cxx_source_compiles ("${_source_location_test_code}" CxxSourceLocation_SUPPORTED)
+
+file (READ ${CMAKE_CURRENT_LIST_DIR}/code_tests/Source_location_default_argument.cc _source_location_test_code)
+set(CMAKE_REQUIRED_FLAGS "${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION}")
+# see also https://cplusplus.github.io/CWG/issues/2631.html
+check_cxx_source_runs ("${_source_location_test_code}" CxxSourceLocation_IMPLEMENTS_CWG2631)
+cmake_pop_check_state ()
+
+if (NOT (TARGET SourceLocation::source_location))
+  add_library (SourceLocation::source_location INTERFACE IMPORTED)
+  if  ((NOT CxxSourceLocation_SUPPORTED) OR
+       (NOT CxxSourceLocation_IMPLEMENTS_CWG2631))
+    set_target_properties (SourceLocation::source_location
+      PROPERTIES
+        INTERFACE_COMPILE_DEFINITIONS SEASTAR_BROKEN_SOURCE_LOCATION)
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/FindStdAtomic.cmake b/src/seastar/cmake/FindStdAtomic.cmake
new file mode 100644
index 000000000..2d14c0b2b
--- /dev/null
+++ b/src/seastar/cmake/FindStdAtomic.cmake
@@ -0,0 +1,51 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2019 Scylladb, Ltd.
+#
+
+function (_stdatomic_can_link var)
+  include (CheckCXXSourceCompiles)
+  set (test_code "int main() {}")
+  set (CMAKE_REQUIRED_LIBRARIES -latomic)
+  check_cxx_source_compiles ("${test_code}" ${var})
+endfunction ()
+
+_stdatomic_can_link (StdAtomic_EXPLICIT_LINK)
+
+#
+# If linking against `-latomic` is successful, then do it unconditionally.
+#
+
+if (StdAtomic_EXPLICIT_LINK)
+  set (StdAtomic_LIBRARY_NAME atomic)
+  set (StdAtomic_LIBRARIES -l${StdAtomic_LIBRARY_NAME})
+  include (FindPackageHandleStandardArgs)
+
+  find_package_handle_standard_args (StdAtomic
+    REQUIRED_VARS StdAtomic_LIBRARIES)
+endif ()
+
+if (NOT (TARGET StdAtomic::atomic))
+  add_library (StdAtomic::atomic INTERFACE IMPORTED)
+
+  set_target_properties (StdAtomic::atomic
+    PROPERTIES
+      INTERFACE_LINK_LIBRARIES "${StdAtomic_LIBRARIES}")
+endif ()
diff --git a/src/seastar/cmake/FindValgrind.cmake b/src/seastar/cmake/FindValgrind.cmake
new file mode 100644
index 000000000..6f8a24235
--- /dev/null
+++ b/src/seastar/cmake/FindValgrind.cmake
@@ -0,0 +1,53 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2022 Kefu Chai ( tchaikov@gmail.com )
+#
+
+
+find_package (PkgConfig REQUIRED)
+
+pkg_check_modules (PC_valgrind QUIET valgrind)
+
+find_path (Valgrind_INCLUDE_DIR
+  NAMES valgrind/valgrind.h
+  HINTS
+    ${PC_valgrind_INCLUDEDIR}
+    ${PC_valgrind_INCLUDE_DIRS})
+
+mark_as_advanced (
+  Valgrind_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (Valgrind
+  REQUIRED_VARS
+    Valgrind_INCLUDE_DIR)
+
+if (Valgrind_FOUND)
+  set (Valgrind_INCLUDE_DIRS ${Valgrind_INCLUDE_DIR})
+
+  if (NOT (TARGET Valgrind::valgrind))
+    add_library (Valgrind::valgrind INTERFACE IMPORTED)
+
+    set_target_properties (Valgrind::valgrind
+      PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES ${Valgrind_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/Findc-ares.cmake b/src/seastar/cmake/Findc-ares.cmake
new file mode 100644
index 000000000..4524f804c
--- /dev/null
+++ b/src/seastar/cmake/Findc-ares.cmake
@@ -0,0 +1,62 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_check_modules (PC_c-ares QUIET libcares)
+
+find_library (c-ares_LIBRARY
+  NAMES cares
+  HINTS
+    ${PC_c-ares_LIBDIR}
+    ${PC_c-ares_LIBRARY_DIRS})
+
+find_path (c-ares_INCLUDE_DIR
+  NAMES ares_dns.h
+  HINTS
+    ${PC_c-ares_INCLUDEDIR}
+    ${PC_c-ares_INCLUDE_DIRS})
+
+mark_as_advanced (
+  c-ares_LIBRARY
+  c-ares_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (c-ares
+  REQUIRED_VARS
+    c-ares_LIBRARY
+    c-ares_INCLUDE_DIR
+  VERSION_VAR PC_c-ares_VERSION)
+
+if (c-ares_FOUND)
+  set (c-ares_LIBRARIES ${c-ares_LIBRARY})
+  set (c-ares_INCLUDE_DIRS ${c-ares_INCLUDE_DIR})
+  if (NOT (TARGET c-ares::cares))
+    add_library (c-ares::cares UNKNOWN IMPORTED)
+
+    set_target_properties (c-ares::cares
+      PROPERTIES
+        IMPORTED_LOCATION ${c-ares_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${c-ares_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/Findcryptopp.cmake b/src/seastar/cmake/Findcryptopp.cmake
new file mode 100644
index 000000000..def4072ed
--- /dev/null
+++ b/src/seastar/cmake/Findcryptopp.cmake
@@ -0,0 +1,51 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_library (cryptopp_LIBRARY
+  NAMES cryptopp)
+
+find_path (cryptopp_INCLUDE_DIR
+  NAMES cryptopp/aes.h
+  PATH_SUFFIXES cryptopp)
+
+mark_as_advanced (
+  cryptopp_LIBRARY
+  cryptopp_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (cryptopp
+  REQUIRED_VARS
+    cryptopp_LIBRARY
+    cryptopp_INCLUDE_DIR)
+
+set (cryptopp_LIBRARIES ${cryptopp_LIBRARY})
+set (cryptopp_INCLUDE_DIRS ${cryptopp_INCLUDE_DIR})
+
+if (cryptopp_FOUND AND NOT (TARGET cryptopp::cryptopp))
+  add_library (cryptopp::cryptopp UNKNOWN IMPORTED)
+
+  set_target_properties (cryptopp::cryptopp
+    PROPERTIES
+      IMPORTED_LOCATION ${cryptopp_LIBRARIES}
+      INTERFACE_INCLUDE_DIRECTORIES ${cryptopp_INCLUDE_DIRS})
+endif ()
diff --git a/src/seastar/cmake/Finddpdk.cmake b/src/seastar/cmake/Finddpdk.cmake
new file mode 100644
index 000000000..c70b8e026
--- /dev/null
+++ b/src/seastar/cmake/Finddpdk.cmake
@@ -0,0 +1,493 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_path (dpdk_INCLUDE_DIR
+  NAMES rte_atomic.h
+  PATH_SUFFIXES dpdk)
+
+find_library (dpdk_PMD_VMXNET3_UIO_LIBRARY rte_pmd_vmxnet3_uio)
+find_library (dpdk_PMD_I40E_LIBRARY rte_pmd_i40e)
+find_library (dpdk_PMD_IXGBE_LIBRARY rte_pmd_ixgbe)
+find_library (dpdk_PMD_E1000_LIBRARY rte_pmd_e1000)
+find_library (dpdk_PMD_BNXT_LIBRARY rte_pmd_bnxt)
+find_library (dpdk_PMD_RING_LIBRARY rte_pmd_ring)
+find_library (dpdk_PMD_CXGBE_LIBRARY rte_pmd_cxgbe)
+find_library (dpdk_PMD_ENA_LIBRARY rte_pmd_ena)
+find_library (dpdk_PMD_ENIC_LIBRARY rte_pmd_enic)
+find_library (dpdk_PMD_FM10K_LIBRARY rte_pmd_fm10k)
+find_library (dpdk_PMD_NFP_LIBRARY rte_pmd_nfp)
+find_library (dpdk_PMD_QEDE_LIBRARY rte_pmd_qede)
+find_library (dpdk_RING_LIBRARY rte_ring)
+find_library (dpdk_KVARGS_LIBRARY rte_kvargs)
+find_library (dpdk_MEMPOOL_LIBRARY rte_mempool)
+find_library (dpdk_MEMPOOL_RING_LIBRARY rte_mempool_ring)
+find_library (dpdk_PMD_SFC_EFX_LIBRARY rte_pmd_sfc_efx)
+find_library (dpdk_HASH_LIBRARY rte_hash)
+find_library (dpdk_CMDLINE_LIBRARY rte_cmdline)
+find_library (dpdk_MBUF_LIBRARY rte_mbuf)
+find_library (dpdk_CFGFILE_LIBRARY rte_cfgfile)
+find_library (dpdk_EAL_LIBRARY rte_eal)
+find_library (dpdk_ETHDEV_LIBRARY rte_ethdev)
+find_library (dpdk_NET_LIBRARY rte_net)
+find_library (dpdk_TIMER_LIBRARY rte_timer)
+find_library (dpdk_PCI_LIBRARY rte_pci)
+find_library (dpdk_BUS_PCI_LIBRARY rte_bus_pci)
+find_library (dpdk_BUS_VDEV_LIBRARY rte_bus_vdev)
+
+include (FindPackageHandleStandardArgs)
+
+set (dpdk_REQUIRED
+  dpdk_INCLUDE_DIR
+  dpdk_PMD_VMXNET3_UIO_LIBRARY
+  dpdk_PMD_I40E_LIBRARY
+  dpdk_PMD_IXGBE_LIBRARY
+  dpdk_PMD_E1000_LIBRARY
+  dpdk_PMD_BNXT_LIBRARY
+  dpdk_PMD_RING_LIBRARY
+  dpdk_PMD_CXGBE_LIBRARY
+  dpdk_PMD_ENA_LIBRARY
+  dpdk_PMD_ENIC_LIBRARY
+  dpdk_PMD_NFP_LIBRARY
+  dpdk_PMD_QEDE_LIBRARY
+  dpdk_RING_LIBRARY
+  dpdk_KVARGS_LIBRARY
+  dpdk_MEMPOOL_LIBRARY
+  dpdk_MEMPOOL_RING_LIBRARY
+  dpdk_HASH_LIBRARY
+  dpdk_CMDLINE_LIBRARY
+  dpdk_MBUF_LIBRARY
+  dpdk_CFGFILE_LIBRARY
+  dpdk_EAL_LIBRARY
+  dpdk_ETHDEV_LIBRARY
+  dpdk_NET_LIBRARY
+  dpdk_TIMER_LIBRARY
+  dpdk_PCI_LIBRARY
+  dpdk_BUS_PCI_LIBRARY
+  dpdk_BUS_VDEV_LIBRARY)
+
+# fm10k, sfc_efx driver can only build on x86
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+  set (dpdk_REQUIRED
+    ${dpdk_REQUIRED}
+    dpdk_PMD_FM10K_LIBRARY
+    dpdk_PMD_SFC_EFX_LIBRARY)
+endif()
+
+find_package_handle_standard_args (dpdk
+  REQUIRED_VARS
+    ${dpdk_REQUIRED}
+)
+
+if (dpdk_FOUND AND NOT (TARGET dpdk::dpdk))
+  set (dpdk_LIBRARIES
+    ${dpdk_CFGFILE_LIBRARY}
+    ${dpdk_CMDLINE_LIBRARY}
+    ${dpdk_ETHDEV_LIBRARY}
+    ${dpdk_HASH_LIBRARY}
+    ${dpdk_MBUF_LIBRARY}
+    ${dpdk_EAL_LIBRARY}
+    ${dpdk_KVARGS_LIBRARY}
+    ${dpdk_MEMPOOL_LIBRARY}
+    ${dpdk_MEMPOOL_RING_LIBRARY}
+    ${dpdk_PMD_BNXT_LIBRARY}
+    ${dpdk_PMD_E1000_LIBRARY}
+    ${dpdk_PMD_ENA_LIBRARY}
+    ${dpdk_PMD_ENIC_LIBRARY}
+    ${dpdk_PMD_QEDE_LIBRARY}
+    ${dpdk_PMD_I40E_LIBRARY}
+    ${dpdk_PMD_IXGBE_LIBRARY}
+    ${dpdk_PMD_NFP_LIBRARY}
+    ${dpdk_PMD_RING_LIBRARY}
+    ${dpdk_PMD_VMXNET3_UIO_LIBRARY})
+
+  if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+    set (dpdk_LIBRARIES
+      ${dpdk_LIBRARIES}
+      ${dpdk_PMD_FM10K_LIBRARY}
+      ${dpdk_PMD_SFC_EFX_LIBRARY})
+  endif()
+
+  set (dpdk_LIBRARIES
+    ${dpdk_LIBRARIES}
+    ${dpdk_RING_LIBRARY}
+    ${dpdk_NET_LIBRARY}
+    ${dpdk_TIMER_LIBRARY}
+    ${dpdk_PCI_LIBRARY}
+    ${dpdk_BUS_PCI_LIBRARY}
+    ${dpdk_BUS_VDEV_LIBRARY})
+
+  #
+  # pmd_vmxnet3_uio
+  #
+
+  add_library (dpdk::pmd_vmxnet3_uio UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_vmxnet3_uio
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_VMXNET3_UIO_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_i40e
+  #
+
+  add_library (dpdk::pmd_i40e UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_i40e
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_I40E_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_ixgbe
+  #
+
+  add_library (dpdk::pmd_ixgbe UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_ixgbe
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_IXGBE_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_e1000
+  #
+
+  add_library (dpdk::pmd_e1000 UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_e1000
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_E1000_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_bnxt
+  #
+
+  add_library (dpdk::pmd_bnxt UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_bnxt
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_BNXT_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_ring
+  #
+
+  add_library (dpdk::pmd_ring UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_ring
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_RING_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_cxgbe
+  #
+
+  add_library (dpdk::pmd_cxgbe UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_cxgbe
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_CXGBE_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_ena
+  #
+
+  add_library (dpdk::pmd_ena UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_ena
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_ENA_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_enic
+  #
+
+  add_library (dpdk::pmd_enic UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_enic
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_ENIC_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_fm10k
+  #
+
+  add_library (dpdk::pmd_fm10k UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_fm10k
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_FM10K_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_nfp
+  #
+
+  add_library (dpdk::pmd_nfp UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_nfp
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_NFP_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_qede
+  #
+
+  add_library (dpdk::pmd_qede UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_qede
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_QEDE_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pmd_sfc_efx
+  #
+
+  add_library (dpdk::pmd_sfc_efx UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pmd_sfc_efx
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PMD_SFC_EFX_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # hash
+  #
+
+  add_library (dpdk::hash UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::hash
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_HASH_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # kvargs
+  #
+
+  add_library (dpdk::kvargs UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::kvargs
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_KVARGS_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # mbuf
+  #
+
+  add_library (dpdk::mbuf UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::mbuf
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_MBUF_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR}
+      INTERFACE_LINK_LIBRARIES dpdk::eal)
+
+  #
+  # eal (since dpdk 18.08, eal depends on kvargs)
+  #
+
+  add_library (dpdk::eal UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::eal
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_EAL_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR}
+      INTERFACE_LINK_LIBRARIES dpdk::kvargs)
+
+  #
+  # ethdev
+  #
+
+  add_library (dpdk::ethdev UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::ethdev
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_ETHDEV_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR}
+      INTERACE_LINK_LIBRARIES dpdk::eal)
+
+  #
+  # mempool
+  #
+
+  add_library (dpdk::mempool UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::mempool
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_MEMPOOL_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # mempool_ring
+  #
+
+  add_library (dpdk::mempool_ring UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::mempool_ring
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_MEMPOOL_RING_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # ring
+  #
+
+  add_library (dpdk::ring UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::ring
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_RING_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # cmdline
+  #
+
+  add_library (dpdk::cmdline UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::cmdline
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_CMDLINE_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # cfgfile
+  #
+
+  add_library (dpdk::cfgfile UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::cfgfile
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_CFGFILE_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # net
+  #
+
+  add_library (dpdk::net UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::net
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_NET_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # timer
+  #
+
+  add_library (dpdk::timer UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::timer
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_TIMER_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # pci
+  #
+
+  add_library (dpdk::pci UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::pci
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_PCI_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # bus_pci
+  #
+
+  add_library (dpdk::bus_pci UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::bus_pci
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_BUS_PCI_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # bus_vdev
+  #
+
+  add_library (dpdk::bus_vdev UNKNOWN IMPORTED)
+
+  set_target_properties (dpdk::bus_vdev
+    PROPERTIES
+      IMPORTED_LOCATION ${dpdk_BUS_VDEV_LIBRARY}
+      INTERFACE_INCLUDE_DIRECTORIES ${dpdk_INCLUDE_DIR})
+
+  #
+  # Summary.
+  #
+
+  add_library (dpdk::dpdk INTERFACE IMPORTED)
+
+  set (_dpdk_libraries
+    dpdk::cfgfile
+    dpdk::cmdline
+    dpdk::eal
+    dpdk::ethdev
+    dpdk::hash
+    dpdk::kvargs
+    dpdk::mbuf
+    dpdk::mempool
+    dpdk::mempool_ring
+    dpdk::pmd_bnxt
+    dpdk::pmd_cxgbe
+    dpdk::pmd_e1000
+    dpdk::pmd_ena
+    dpdk::pmd_enic
+    dpdk::pmd_qede
+    dpdk::pmd_i40e
+    dpdk::pmd_ixgbe
+    dpdk::pmd_nfp
+    dpdk::pmd_ring
+    dpdk::pmd_vmxnet3_uio
+    dpdk::ring
+    dpdk::net
+    dpdk::timer
+    dpdk::pci
+    dpdk::bus_pci
+    dpdk::bus_vdev)
+
+  if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+    set (_dpdk_libraries
+      ${_dpdk_libraries}
+      dpdk::pmd_fm10k
+      dpdk::pmd_sfc_efx)
+  endif()
+
+  set_target_properties (dpdk::dpdk
+    PROPERTIES
+      INTERFACE_LINK_LIBRARIES "${_dpdk_libraries}")
+endif ()
diff --git a/src/seastar/cmake/Findhwloc.cmake b/src/seastar/cmake/Findhwloc.cmake
new file mode 100644
index 000000000..a48521b7c
--- /dev/null
+++ b/src/seastar/cmake/Findhwloc.cmake
@@ -0,0 +1,62 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_search_module (PC_hwloc QUIET hwloc)
+
+find_library (hwloc_LIBRARY
+  NAMES hwloc
+  HINTS
+    ${PC_hwloc_LIBDIR}
+    ${PC_hwloc_LIBRARY_DIRS})
+
+find_path (hwloc_INCLUDE_DIR
+  NAMES hwloc.h
+  HINTS
+    ${PC_hwloc_INCLUDEDIR}
+    ${PC_hwloc_INCLUDE_DIRS})
+
+mark_as_advanced (
+  hwloc_LIBRARY
+  hwloc_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (hwloc
+  REQUIRED_VARS
+    hwloc_LIBRARY
+    hwloc_INCLUDE_DIR
+  VERSION_VAR hwloc_VERSION)
+
+if (hwloc_FOUND)
+  set (hwloc_LIBRARIES ${hwloc_LIBRARY})
+  set (hwloc_INCLUDE_DIRS ${hwloc_INCLUDE_DIR})
+  if (NOT (TARGET hwloc::hwloc))
+    add_library (hwloc::hwloc UNKNOWN IMPORTED)
+
+    set_target_properties (hwloc::hwloc
+      PROPERTIES
+        IMPORTED_LOCATION ${hwloc_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${hwloc_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/Findlksctp-tools.cmake b/src/seastar/cmake/Findlksctp-tools.cmake
new file mode 100644
index 000000000..c048edf60
--- /dev/null
+++ b/src/seastar/cmake/Findlksctp-tools.cmake
@@ -0,0 +1,54 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_library (lksctp-tools_LIBRARY
+  NAMES sctp)
+
+find_path (lksctp-tools_INCLUDE_DIR
+  NAMES netinet/sctp.h)
+
+mark_as_advanced (
+  lksctp-tools_LIBRARY
+  lksctp-tools_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (lksctp-tools
+  REQUIRED_VARS
+    lksctp-tools_LIBRARY
+    lksctp-tools_INCLUDE_DIR)
+
+set (lksctp-tools_LIBRARIES ${lksctp-tools_LIBRARY})
+set (lksctp-tools_INCLUDE_DIRS ${lksctp-tools_INCLUDE_DIR})
+
+if (lksctp-tools_FOUND AND NOT (TARGET lksctp-tools::lksctp-tools))
+  add_library (lksctp-tools::lksctp-tools UNKNOWN IMPORTED)
+
+  set_target_properties (lksctp-tools::lksctp-tools
+    PROPERTIES
+      IMPORTED_LOCATION ${lksctp-tools_LIBRARIES}
+      INTERFACE_INCLUDE_DIRECTORIES ${lksctp-tools_INCLUDE_DIRS})
+endif ()
+
+mark_as_advanced (
+  lksctp-tools_INCLUDE_DIR
+  lksctp-tools_LIBRARY)
diff --git a/src/seastar/cmake/Findlz4.cmake b/src/seastar/cmake/Findlz4.cmake
new file mode 100644
index 000000000..a2cd09fdc
--- /dev/null
+++ b/src/seastar/cmake/Findlz4.cmake
@@ -0,0 +1,70 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_search_module (PC_lz4 QUIET liblz4)
+
+find_library (lz4_LIBRARY
+  NAMES lz4
+  HINTS
+    ${PC_lz4_LIBDIR}
+    ${PC_lz4_LIBRARY_DIRS})
+
+find_path (lz4_INCLUDE_DIR
+  NAMES lz4.h
+  HINTS
+    ${PC_lz4_INCLUDEDIR}
+    ${PC_lz4_INCLUDE_DIRS})
+
+mark_as_advanced (
+  lz4_LIBRARY
+  lz4_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (lz4
+  REQUIRED_VARS
+    lz4_LIBRARY
+    lz4_INCLUDE_DIR
+  VERSION_VAR lz4_VERSION)
+
+if (lz4_FOUND)
+  set (CMAKE_REQUIRED_LIBRARIES ${lz4_LIBRARY})
+  include (CheckSymbolExists)
+
+  check_symbol_exists (LZ4_compress_default
+    ${lz4_INCLUDE_DIR}/lz4.h
+    lz4_HAVE_COMPRESS_DEFAULT)
+
+  set (lz4_LIBRARIES ${lz4_LIBRARY})
+  set (lz4_INCLUDE_DIRS ${lz4_INCLUDE_DIR})
+
+  if (NOT (TARGET lz4::lz4))
+    add_library (lz4::lz4 UNKNOWN IMPORTED)
+
+    set_target_properties (lz4::lz4
+      PROPERTIES
+        IMPORTED_LOCATION ${lz4_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${lz4_INCLUDE_DIRS})
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/Findnumactl.cmake b/src/seastar/cmake/Findnumactl.cmake
new file mode 100644
index 000000000..82f015274
--- /dev/null
+++ b/src/seastar/cmake/Findnumactl.cmake
@@ -0,0 +1,50 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_path (numactl_INCLUDE_DIR
+  NAMES numaif.h)
+
+find_library (numactl_LIBRARY
+  NAMES numa)
+
+mark_as_advanced (
+  numactl_INCLUDE_DIR
+  numactl_LIBRARY)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (numactl
+  REQUIRED_VARS
+    numactl_LIBRARY
+    numactl_INCLUDE_DIR)
+
+set (numactl_INCLUDE_DIRS ${numactl_INCLUDE_DIR})
+set (numactl_LIBRARIES ${numactl_LIBRARY})
+
+if (numactl_FOUND AND NOT (TARGET numactl::numactl))
+  add_library (numactl::numactl UNKNOWN IMPORTED)
+
+  set_target_properties (numactl::numactl
+    PROPERTIES
+      IMPORTED_LOCATION ${numactl_LIBRARIES}
+      INTERFACE_INCLUDE_DIRECTORIES ${numactl_INCLUDE_DIRS})
+endif ()
diff --git a/src/seastar/cmake/Findragel.cmake b/src/seastar/cmake/Findragel.cmake
new file mode 100644
index 000000000..7bea8735b
--- /dev/null
+++ b/src/seastar/cmake/Findragel.cmake
@@ -0,0 +1,45 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_program (
+  ragel_RAGEL_EXECUTABLE
+  ragel)
+
+mark_as_advanced (ragel_RAGEL_EXECUTABLE)
+
+set (_ragel_version_pattern "[0-9]+\\.[0-9]+\\.[0-9]+(\\.[0-9]+)?")
+
+if (ragel_RAGEL_EXECUTABLE)
+  set (ragel_FOUND ON)
+
+  exec_program (${ragel_RAGEL_EXECUTABLE}
+    ARGS -v
+    OUTPUT_VARIABLE _ragel_version_output)
+
+  if (${_ragel_version_output} MATCHES "version (${_ragel_version_pattern})")
+    set (ragel_VERSION ${CMAKE_MATCH_1})
+  endif ()
+endif ()
+
+find_package_handle_standard_args (ragel
+  REQUIRED_VARS ragel_RAGEL_EXECUTABLE
+  VERSION_VAR ragel_VERSION)
diff --git a/src/seastar/cmake/Findrt.cmake b/src/seastar/cmake/Findrt.cmake
new file mode 100644
index 000000000..359043c0e
--- /dev/null
+++ b/src/seastar/cmake/Findrt.cmake
@@ -0,0 +1,57 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+set (_rt_test_source ${CMAKE_CURRENT_LIST_DIR}/code_tests/rt_test.cc)
+
+# Try to compile without the library first.
+try_compile (rt_NO_EXPLICIT_LINK
+  ${CMAKE_CURRENT_BINARY_DIR}
+  SOURCES ${_rt_test_source})
+
+if (rt_NO_EXPLICIT_LINK)
+  set (rt_FOUND yes)
+else ()
+  # The `rt` library is required.
+
+  try_compile (_rt_test
+    ${CMAKE_CURRENT_BINARY_DIR}
+    SOURCES ${_rt_test_source}
+    LINK_LIBRARIES rt)
+
+  if (_rt_test)
+    set (rt_LIBRARY_NAME rt)
+    set (rt_LIBRARIES -l${rt_LIBRARY_NAME})
+  endif ()
+
+  include (FindPackageHandleStandardArgs)
+
+  find_package_handle_standard_args (rt
+    REQUIRED_VARS rt_LIBRARIES)
+endif ()
+
+if (rt_FOUND AND NOT (TARGET rt::rt))
+  add_library (rt::rt INTERFACE IMPORTED)
+
+  set_target_properties (rt::rt
+    PROPERTIES
+      INTERFACE_LINK_LIBRARIES "${rt_LIBRARIES}")
+endif ()
diff --git a/src/seastar/cmake/Findyaml-cpp.cmake b/src/seastar/cmake/Findyaml-cpp.cmake
new file mode 100644
index 000000000..eda5eb489
--- /dev/null
+++ b/src/seastar/cmake/Findyaml-cpp.cmake
@@ -0,0 +1,85 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_package (PkgConfig REQUIRED)
+
+pkg_search_module (PC_yaml-cpp QUIET yaml-cpp)
+
+find_library (yaml-cpp_LIBRARY_RELEASE
+ NAMES yaml-cpp
+ HINTS
+   ${PC_yaml-cpp_LIBDIR}
+   ${PC_yaml-cpp_LIBRARY_DIRS})
+
+find_library (yaml-cpp_LIBRARY_DEBUG
+ NAMES yaml-cppd
+ HINTS
+   ${PC_yaml-cpp_LIBDIR}
+   ${PC_yaml-cpp_LIBRARY_DIRS})
+
+include (SelectLibraryConfigurations)
+select_library_configurations (yaml-cpp)
+
+find_path (yaml-cpp_INCLUDE_DIR
+  NAMES yaml-cpp/yaml.h
+  PATH_SUFFIXES yaml-cpp
+  HINTS
+    ${PC_yaml-cpp_INCLUDEDIR}
+    ${PC_yaml-cpp_INCLUDE_DIRS})
+
+mark_as_advanced (
+  yaml-cpp_LIBRARY_RELEASE
+  yaml-cpp_LIBRARY_DEBUG
+  yaml-cpp_INCLUDE_DIR)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (yaml-cpp
+  REQUIRED_VARS
+    yaml-cpp_LIBRARY
+    yaml-cpp_INCLUDE_DIR
+  VERSION_VAR yaml-cpp_VERSION)
+
+if (yaml-cpp_FOUND)
+  set (yaml-cpp_LIBRARIES ${yaml-cpp_LIBRARY})
+  set (yaml-cpp_INCLUDE_DIRS ${yaml-cpp_INCLUDE_DIR})
+  if (NOT (TARGET yaml-cpp::yaml-cpp))
+    add_library (yaml-cpp::yaml-cpp UNKNOWN IMPORTED)
+
+    set_target_properties (yaml-cpp::yaml-cpp
+      PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES ${yaml-cpp_INCLUDE_DIRS})
+    if (EXISTS "${yaml-cpp_LIBRARY}")
+      set_target_properties (yaml-cpp::yaml-cpp
+        PROPERTIES
+          IMPORTED_LOCATION "${yaml-cpp_LIBRARY}")
+    endif ()
+    foreach (build "RELEASE" "DEBUG")
+      if (yaml-cpp_LIBRARY_${build})
+        set_property (TARGET yaml-cpp::yaml-cpp APPEND PROPERTY
+          IMPORTED_CONFIGURATIONS "${build}")
+        set_target_properties (yaml-cpp::yaml-cpp PROPERTIES
+          IMPORTED_LOCATION_${build} "${yaml-cpp_LIBRARY_${build}}")
+      endif ()
+    endforeach ()
+  endif ()
+endif ()
diff --git a/src/seastar/cmake/SeastarConfig.cmake.in b/src/seastar/cmake/SeastarConfig.cmake.in
new file mode 100644
index 000000000..9fc8bd3de
--- /dev/null
+++ b/src/seastar/cmake/SeastarConfig.cmake.in
@@ -0,0 +1,37 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+# We would like to use `find_dependency`, but it is not supported properly until CMake 3.8.
+#include (FindDependencyMacro)
+
+list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
+
+#
+# Dependencies.
+#
+
+include (SeastarDependencies)
+seastar_find_dependencies ()
+
+if (NOT TARGET Seastar::seastar)
+  include ("${CMAKE_CURRENT_LIST_DIR}/SeastarTargets.cmake")
+endif ()
diff --git a/src/seastar/cmake/SeastarDependencies.cmake b/src/seastar/cmake/SeastarDependencies.cmake
new file mode 100644
index 000000000..fbd5a8e1d
--- /dev/null
+++ b/src/seastar/cmake/SeastarDependencies.cmake
@@ -0,0 +1,148 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2019 Scylladb, Ltd.
+#
+
+include(CMakeParseArguments)
+
+#
+# CMake bundles `FindBoost.cmake`, which is coupled to the Boost version. If
+# we're on a system without a recent enough version of `FindBoost.cmake`, then
+# we need to use the one bundled with Seastar.
+#
+# The "real" FIND_PACKAGE invocation for Boost is inside SEASTAR_FIND_DEPENDENCIES.
+#
+
+# Be consistent in results from FindBoost.cmake.
+# This is required because cmake-boost may return to Boost_{component}_LIBRARY:
+# - /usr/lib64/libboost_foo.so
+# - Boost::foo
+set (Boost_NO_BOOST_CMAKE ON)
+
+if (CMAKE_CXX_STANDARD LESS 20)
+  set (_seastar_boost_version 1.64.0)
+else ()
+  # for including the fix of https://github.com/boostorg/test/pull/252
+  set (_seastar_boost_version 1.73.0)
+endif ()
+
+# This is the minimum version of Boost we need the CMake-bundled `FindBoost.cmake` to know about.
+find_package (Boost ${_seastar_boost_version} MODULE)
+
+# - set _seastar_dep_args_<package> for additional args for find_package().
+#   add REQUIRED if the corresponding option is explicitly enabled, so
+#   find_package() can stop the cmake generation.
+# - set _seastar_dep_skip_<package> if the option is explicitly disabled
+macro (seastar_set_dep_args package)
+  cmake_parse_arguments(args "REQUIRED" "VERSION;OPTION" "COMPONENTS" ${ARGN})
+  if (DEFINED args_VERSION)
+    list (APPEND _seastar_dep_args_${package} ${args_VERSION})
+  endif ()
+  if (args_REQUIRED)
+    list (APPEND _seastar_dep_args_${package} REQUIRED)
+  elseif (DEFINED args_OPTION)
+    if (args_OPTION)
+      list (APPEND _seastar_dep_args_${package} REQUIRED)
+    else ()
+      set (_seastar_dep_skip_${package} TRUE)
+    endif ()
+  endif ()
+  if (args_COMPONENTS)
+    list (APPEND _seastar_dep_args_${package} COMPONENTS
+      ${args_COMPONENTS})
+  endif ()
+endmacro ()
+
+#
+# Iterate through the dependency list defined below and execute `find_package`
+# with the corresponding configuration for each 3rd-party dependency.
+#
+macro (seastar_find_dependencies)
+  #
+  # List of Seastar dependencies that is meant to be used
+  # both in Seastar configuration and by clients which
+  # consume Seastar via SeastarConfig.cmake.
+  #
+  set (_seastar_all_dependencies
+    # Public dependencies.
+    Boost
+    c-ares
+    cryptopp
+    dpdk # No version information published.
+    fmt
+    lz4
+    # Private and private/public dependencies.
+    GnuTLS
+    LibUring
+    LinuxMembarrier
+    Sanitizers
+    SourceLocation
+    StdAtomic
+    hwloc
+    lksctp-tools # No version information published.
+    numactl # No version information published.
+    rt
+    yaml-cpp)
+
+  # Arguments to `find_package` for each 3rd-party dependency.
+  # Note that the version specification is a "minimal" version requirement.
+
+  # `unit_test_framework` is not required in the case we are building Seastar
+  # without the testing library, however the component is always specified as required
+  # to keep the CMake code minimalistic and easy-to-use.
+  seastar_set_dep_args (Boost REQUIRED
+    VERSION ${_seastar_boost_version}
+    COMPONENTS
+      filesystem
+      program_options
+      thread
+      unit_test_framework)
+  seastar_set_dep_args (c-ares REQUIRED
+    VERSION 1.13)
+  seastar_set_dep_args (cryptopp REQUIRED
+    VERSION 5.6.5)
+  seastar_set_dep_args (dpdk
+    OPTION ${Seastar_DPDK})
+  seastar_set_dep_args (fmt REQUIRED
+    VERSION 5.0.0)
+  seastar_set_dep_args (lz4 REQUIRED
+    VERSION 1.7.3)
+  seastar_set_dep_args (GnuTLS REQUIRED
+    VERSION 3.3.26)
+  seastar_set_dep_args (LibUring
+    VERSION 2.0
+    OPTION ${Seastar_IO_URING})
+  seastar_set_dep_args (StdAtomic REQUIRED)
+  seastar_set_dep_args (hwloc
+    VERSION 1.11.2
+    OPTION ${Seastar_HWLOC})
+  seastar_set_dep_args (lksctp-tools REQUIRED)
+  seastar_set_dep_args (rt REQUIRED)
+  seastar_set_dep_args (numactl
+    OPTION ${Seastar_NUMA})
+  seastar_set_dep_args (yaml-cpp REQUIRED
+    VERSION 0.5.1)
+
+  foreach (third_party ${_seastar_all_dependencies})
+    if (NOT _seastar_dep_skip_${third_party})
+      find_package ("${third_party}" ${_seastar_dep_args_${third_party}})
+    endif ()
+  endforeach ()
+endmacro ()
diff --git a/src/seastar/cmake/code_tests/LinuxMembarrier_test.cc b/src/seastar/cmake/code_tests/LinuxMembarrier_test.cc
new file mode 100644
index 000000000..7cb1fdfb0
--- /dev/null
+++ b/src/seastar/cmake/code_tests/LinuxMembarrier_test.cc
@@ -0,0 +1,8 @@
+extern "C" {
+#include <linux/membarrier.h>
+}
+
+int main() {
+    int x = MEMBARRIER_CMD_PRIVATE_EXPEDITED | MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED;
+    (void)x;
+}
diff --git a/src/seastar/cmake/code_tests/Sanitizers_fiber_test.cc b/src/seastar/cmake/code_tests/Sanitizers_fiber_test.cc
new file mode 100644
index 000000000..9df531f26
--- /dev/null
+++ b/src/seastar/cmake/code_tests/Sanitizers_fiber_test.cc
@@ -0,0 +1,11 @@
+#include <cstddef>
+
+extern "C" {
+    void __sanitizer_start_switch_fiber(void**, const void*, size_t);
+    void __sanitizer_finish_switch_fiber(void*, const void**, size_t*);
+}
+
+int main() {
+    __sanitizer_start_switch_fiber(nullptr, nullptr, 0);
+    __sanitizer_finish_switch_fiber(nullptr, nullptr, nullptr);
+}
diff --git a/src/seastar/cmake/code_tests/Source_location_default_argument.cc b/src/seastar/cmake/code_tests/Source_location_default_argument.cc
new file mode 100644
index 000000000..828d91b87
--- /dev/null
+++ b/src/seastar/cmake/code_tests/Source_location_default_argument.cc
@@ -0,0 +1,10 @@
+#include<source_location>
+
+int test_source_location(int line,
+                         std::source_location loc = std::source_location::current()) {
+    return line == loc.line() ? 0 : 1;
+}
+
+int main() {
+    return test_source_location(__LINE__);
+}
diff --git a/src/seastar/cmake/code_tests/Source_location_test.cc b/src/seastar/cmake/code_tests/Source_location_test.cc
new file mode 100644
index 000000000..fa43d3d42
--- /dev/null
+++ b/src/seastar/cmake/code_tests/Source_location_test.cc
@@ -0,0 +1,26 @@
+#if __has_include(<source_location>)
+#include <source_location>
+#endif
+
+#ifdef __cpp_lib_source_location
+using source_location = std::source_location;
+#elif __has_include(<experimental/source_location>)
+#include <experimental/source_location>
+using source_location = std::experimental::source_location;
+#endif
+
+#if defined(__cpp_lib_source_location) || defined(__cpp_lib_experimental_source_location)
+struct format_info {
+    format_info(source_location loc = source_location::current()) noexcept
+        : loc(loc)
+    { }
+    source_location loc;
+};
+#else
+struct format_info { };
+#endif
+
+int main()
+{
+    format_info fi;
+}
diff --git a/src/seastar/cmake/code_tests/rt_test.cc b/src/seastar/cmake/code_tests/rt_test.cc
new file mode 100644
index 000000000..c0bf83e32
--- /dev/null
+++ b/src/seastar/cmake/code_tests/rt_test.cc
@@ -0,0 +1,10 @@
+extern "C" {
+#include <signal.h>
+#include <time.h>
+}
+
+int main() {
+    timer_t td;
+    struct sigevent sev;
+    timer_create(CLOCK_MONOTONIC, &sev, &td);
+}
diff --git a/src/seastar/cmake/dpdk_configure.cmake b/src/seastar/cmake/dpdk_configure.cmake
new file mode 100644
index 000000000..46b9bb759
--- /dev/null
+++ b/src/seastar/cmake/dpdk_configure.cmake
@@ -0,0 +1,41 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+file (READ ${Seastar_DPDK_CONFIG_FILE_IN} dpdk_config)
+file (STRINGS ${Seastar_DPDK_CONFIG_FILE_CHANGES} dpdk_config_changes)
+set (word_pattern "[^\n\r \t]+")
+
+foreach (var ${dpdk_config_changes})
+  if (var MATCHES "(${word_pattern})=(${word_pattern})")
+    set (key ${CMAKE_MATCH_1})
+    set (value ${CMAKE_MATCH_2})
+
+    string (REGEX REPLACE
+      "${key}=${word_pattern}"
+      "${key}=${value}"
+      dpdk_config
+      ${dpdk_config})
+  endif ()
+endforeach ()
+
+file (WRITE ${Seastar_DPDK_CONFIG_FILE_OUT} ${dpdk_config})
+file (APPEND ${Seastar_DPDK_CONFIG_FILE_OUT} "CONFIG_RTE_MACHINE=${Seastar_DPDK_MACHINE}")