1 files changed, 61 insertions, 0 deletions
diff --git a/cmake/modules/BuildSPDK.cmake b/cmake/modules/BuildSPDK.cmake
new file mode 100644
index 000000000..05a6b2370
--- /dev/null
+++ b/cmake/modules/BuildSPDK.cmake
@@ -0,0 +1,61 @@
+macro(build_spdk)
+  set(DPDK_DIR ${CMAKE_BINARY_DIR}/src/dpdk)
+  if(NOT TARGET dpdk-ext)
+    include(BuildDPDK)
+    build_dpdk(${DPDK_DIR})
+  endif()
+  find_package(CUnit REQUIRED)
+  if(LINUX)
+    find_package(aio REQUIRED)
+    find_package(uuid REQUIRED)
+  endif()
+  include(FindMake)
+  find_make("MAKE_EXECUTABLE" "make_cmd")
+
+  set(spdk_CFLAGS "-fPIC")
+  include(CheckCCompilerFlag)
+  check_c_compiler_flag("-Wno-address-of-packed-member" HAS_WARNING_ADDRESS_OF_PACKED_MEMBER)
+  if(HAS_WARNING_ADDRESS_OF_PACKED_MEMBER)
+    set(spdk_CFLAGS "${spdk_CFLAGS} -Wno-address-of-packed-member")
+  endif()
+  include(ExternalProject)
+  if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
+    # a safer option than relying on the build host's arch
+    set(target_arch core2)
+  else()
+    # default arch used by SPDK
+    set(target_arch native)
+  endif()
+  ExternalProject_Add(spdk-ext
+    DEPENDS dpdk-ext
+    SOURCE_DIR ${CMAKE_SOURCE_DIR}/src/spdk
+    CONFIGURE_COMMAND ./configure
+      --with-dpdk=${DPDK_DIR}
+      --without-isal
+      --without-vhost
+      --target-arch=${target_arch}
+    # unset $CFLAGS, otherwise it will interfere with how SPDK sets
+    # its include directory.
+    # unset $LDFLAGS, otherwise SPDK will fail to mock some functions.
+    BUILD_COMMAND env -i PATH=$ENV{PATH} CC=${CMAKE_C_COMPILER} ${make_cmd} EXTRA_CFLAGS="${spdk_CFLAGS}"
+    BUILD_IN_SOURCE 1
+    INSTALL_COMMAND "true")
+  unset(make_cmd)
+  ExternalProject_Get_Property(spdk-ext source_dir)
+  foreach(c lvol env_dpdk sock nvmf bdev nvme conf thread trace notify accel event_accel blob vmd event_vmd event_bdev sock_posix event_sock event rpc jsonrpc json util log)
+    add_library(spdk::${c} STATIC IMPORTED)
+    add_dependencies(spdk::${c} spdk-ext)
+    set_target_properties(spdk::${c} PROPERTIES
+      IMPORTED_LOCATION "${source_dir}/build/lib/${CMAKE_STATIC_LIBRARY_PREFIX}spdk_${c}${CMAKE_STATIC_LIBRARY_SUFFIX}"
+      INTERFACE_INCLUDE_DIRECTORIES "${source_dir}/include")
+    list(APPEND SPDK_LIBRARIES spdk::${c})
+  endforeach()
+  set_target_properties(spdk::env_dpdk PROPERTIES
+    INTERFACE_LINK_LIBRARIES "dpdk::dpdk;rt")
+  set_target_properties(spdk::lvol PROPERTIES
+    INTERFACE_LINK_LIBRARIES spdk::util)
+  set_target_properties(spdk::util PROPERTIES
+    INTERFACE_LINK_LIBRARIES ${UUID_LIBRARIES})
+  set(SPDK_INCLUDE_DIR "${source_dir}/include")
+  unset(source_dir)
+endmacro()