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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" HAVE_WARNING_ADDRESS_OF_PACKED_MEMBER)
if(HAVE_WARNING_ADDRESS_OF_PACKED_MEMBER)
string(APPEND spdk_CFLAGS " -Wno-address-of-packed-member")
endif()
check_c_compiler_flag("-Wno-unused-but-set-variable"
HAVE_UNUSED_BUT_SET_VARIABLE)
if(HAVE_UNUSED_BUT_SET_VARIABLE)
string(APPEND spdk_CFLAGS " -Wno-unused-but-set-variable")
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()
set(source_dir "${CMAKE_SOURCE_DIR}/src/spdk")
foreach(c lvol env_dpdk sock nvmf bdev nvme conf thread trace notify accel event_accel blob vmd event_vmd event_bdev sock_posix event_sock event rpc jsonrpc json util log)
add_library(spdk::${c} STATIC IMPORTED)
set(lib_path "${source_dir}/build/lib/${CMAKE_STATIC_LIBRARY_PREFIX}spdk_${c}${CMAKE_STATIC_LIBRARY_SUFFIX}")
set_target_properties(spdk::${c} PROPERTIES
IMPORTED_LOCATION "${lib_path}"
INTERFACE_INCLUDE_DIRECTORIES "${source_dir}/include")
list(APPEND spdk_libs "${lib_path}")
list(APPEND SPDK_LIBRARIES spdk::${c})
endforeach()
ExternalProject_Add(spdk-ext
DEPENDS dpdk-ext
SOURCE_DIR ${source_dir}
CONFIGURE_COMMAND ./configure
--with-dpdk=${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
BUILD_BYPRODUCTS ${spdk_libs}
INSTALL_COMMAND ""
LOG_CONFIGURE ON
LOG_BUILD ON
LOG_MERGED_STDOUTERR ON
LOG_OUTPUT_ON_FAILURE ON)
unset(make_cmd)
foreach(spdk_lib ${SPDK_LIBRARIES})
add_dependencies(${spdk_lib} spdk-ext)
endforeach()
set(SPDK_INCLUDE_DIR "${source_dir}/include")
add_library(spdk::spdk INTERFACE IMPORTED)
add_dependencies(spdk::spdk
${SPDK_LIBRARIES})
# workaround for https://review.spdk.io/gerrit/c/spdk/spdk/+/6798
set_target_properties(spdk::spdk PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${SPDK_INCLUDE_DIR}
INTERFACE_LINK_LIBRARIES
"-Wl,--whole-archive $<JOIN:${spdk_libs}, > -Wl,--no-whole-archive;dpdk::dpdk;rt;${UUID_LIBRARIES}")
unset(source_dir)
endmacro()
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