mirror of
https://github.com/ceph/ceph
synced 2024-12-26 05:25:09 +00:00
2c823a18cb
so we don't rely on build_dpdk() to be a macro to set variables in its parent scope. Signed-off-by: Kefu Chai <kchai@redhat.com>
137 lines
4.7 KiB
CMake
137 lines
4.7 KiB
CMake
function(do_build_dpdk dpdk_dir)
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# mk/machine/native/rte.vars.mk
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# rte_cflags are extracted from mk/machine/${machine}/rte.vars.mk
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# only 3 of them have -march=<arch> defined, so copying them here.
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# we need to pass the -march=<arch> to ${cc} as some headers in dpdk
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# require it to compile. for instance, dpdk/include/rte_memcpy.h.
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "i386")
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set(arch "x86_64")
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set(machine "default")
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set(machine_tmpl "native")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686")
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set(arch "i686")
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set(machine "default")
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set(machine_tmpl "native")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
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set(arch "x86_64")
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set(machine "default")
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set(machine_tmpl "native")
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set(rte_cflags "-march=core2")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
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set(arch "arm")
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set(machine "armv7a")
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set(machine_tmpl "armv7a")
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set(rte_cflags "-march=armv7-a")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
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set(arch "arm64")
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set(machine "armv8a")
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set(machine_tmpl "armv8a")
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set(rte_cflags "-march=armv8-a+crc")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64")
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set(arch "ppc_64")
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set(machine "power8")
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set(machine_tmpl "power8")
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else()
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message(FATAL_ERROR "not able to build DPDK support: "
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"unknown arch \"${CMAKE_SYSTEM_PROCESSOR}\"")
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endif()
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set(dpdk_rte_CFLAGS "${rte_cflags}" CACHE INTERNAL "")
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if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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set(execenv "linuxapp")
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elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set(execenv "bsdapp")
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else()
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message(FATAL_ERROR "not able to build DPDK support: "
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"unsupported OS \"${CMAKE_SYSTEM_NAME}\"")
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endif()
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if(CMAKE_C_COMPILER_ID STREQUAL GNU)
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set(toolchain "gcc")
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elseif(CMAKE_C_COMPILER_ID STREQUAL Clang)
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set(toolchain "clang")
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elseif(CMAKE_C_COMPILER_ID STREQUAL Intel)
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set(toolchain "icc")
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else()
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message(FATAL_ERROR "not able to build DPDK support: "
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"unknown compiler \"${CMAKE_C_COMPILER_ID}\"")
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endif()
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set(target "${arch}-${machine_tmpl}-${execenv}-${toolchain}")
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execute_process(
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COMMAND ${CMAKE_MAKE_PROGRAM} showconfigs
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src/spdk/dpdk
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OUTPUT_VARIABLE supported_targets
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(REPLACE "\n" ";" supported_targets "${supported_targets}")
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list(FIND supported_targets ${target} found)
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if(found EQUAL -1)
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message(FATAL_ERROR "not able to build DPDK support: "
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"unsupported target. "
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"\"${target}\" not listed in ${supported_targets}")
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endif()
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include(ExternalProject)
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ExternalProject_Add(dpdk-ext
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SOURCE_DIR ${CMAKE_SOURCE_DIR}/src/spdk/dpdk
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CONFIGURE_COMMAND $(MAKE) config O=${dpdk_dir} T=${target}
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BUILD_COMMAND env CC=${CMAKE_C_COMPILER} $(MAKE) O=${dpdk_dir} EXTRA_CFLAGS=-fPIC
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BUILD_IN_SOURCE 1
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INSTALL_COMMAND "true")
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ExternalProject_Add_Step(dpdk-ext patch-config
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COMMAND ${CMAKE_MODULE_PATH}/patch-dpdk-conf.sh ${dpdk_dir} ${machine} ${arch}
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DEPENDEES configure
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DEPENDERS build)
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# easier to adjust the config
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ExternalProject_Add_StepTargets(dpdk-ext configure patch-config build)
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endfunction()
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function(build_dpdk dpdk_dir)
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do_build_dpdk(${dpdk_dir})
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set(DPDK_INCLUDE_DIR ${dpdk_dir}/include)
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# create the directory so cmake won't complain when looking at the imported
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# target
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file(MAKE_DIRECTORY ${DPDK_INCLUDE_DIR})
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if(NOT TARGET dpdk::cflags)
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add_library(dpdk::cflags INTERFACE IMPORTED)
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if (dpdk_rte_CFLAGS)
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set_target_properties(dpdk::cflags PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${dpdk_rte_CFLAGS}")
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endif()
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endif()
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foreach(c
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bus_pci
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eal
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mempool
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mempool_ring
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mempool_stack
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pci
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ring)
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add_library(dpdk::${c} STATIC IMPORTED)
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add_dependencies(dpdk::${c} dpdk-ext)
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set(dpdk_${c}_LIBRARY
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"${dpdk_dir}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}rte_${c}${CMAKE_STATIC_LIBRARY_SUFFIX}")
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set_target_properties(dpdk::${c} PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${DPDK_INCLUDE_DIR}
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INTERFACE_LINK_LIBRARIES dpdk::cflags
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IMPORTED_LOCATION "${dpdk_${c}_LIBRARY}")
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list(APPEND DPDK_LIBRARIES dpdk::${c})
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list(APPEND DPDK_ARCHIVES "${dpdk_${c}_LIBRARY}")
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endforeach()
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add_library(dpdk::dpdk INTERFACE IMPORTED)
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add_dependencies(dpdk::dpdk
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${DPDK_LIBRARIES})
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# workaround for https://gitlab.kitware.com/cmake/cmake/issues/16947
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set_target_properties(dpdk::dpdk PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${DPDK_INCLUDE_DIR}
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INTERFACE_LINK_LIBRARIES
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"-Wl,--whole-archive $<JOIN:${DPDK_ARCHIVES}, > -Wl,--no-whole-archive")
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if(dpdk_rte_CFLAGS)
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set_target_properties(dpdk::dpdk PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${dpdk_rte_CFLAGS}")
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endif()
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endfunction()
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