ceph/cmake/modules/Finddpdk.cmake
Kefu Chai 303e3c4a6c cmake: fix Finddpdk.cmake
* add dpdk::dpdk if dpdk is built or found, as seastar checks for
  it before adding its component libraries. if user installs libdpdk
  and builds WITH_SEASTAR=ON or WITH_DPDK=ON, cmake fails to configure
  the building system without this fix.
* add dpdk::cflags target for populating the -march=<arch> compile
  option.
* also use pkg-config for finding dpdk.
* link common_async_dpdk against dpdk::dpdk instead

please note, the reason why we can remove the "-march=native" compile
option from Finddpdk.cmake, is that the distro shipped header files
are "generic" in the sense of "-march=<ARCH>", they do not enable
the arch specific intrinsic by default, hence the source files
including them do not need specific compiler options.

Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-17 15:16:22 +08:00

82 lines
1.7 KiB
CMake

# Try to find dpdk
#
# Once done, this will define
#
# dpdk_FOUND
# dpdk_INCLUDE_DIR
# dpdk_LIBRARIES
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(dpdk_pc QUIET libdpdk)
endif()
find_path(dpdk_INCLUDE_DIR rte_config.h
HINTS
ENV DPDK_DIR
${dpdk_pc_INCLUDE_DIRS}
PATH_SUFFIXES dpdk include)
set(components
bus_pci
cmdline
eal
ethdev
hash
kvargs
mbuf
mempool
mempool_ring
mempool_stack
pci
pmd_af_packet
pmd_bond
pmd_i40e
pmd_ixgbe
pmd_mlx5
pmd_ring
pmd_vmxnet3_uio
ring)
set(dpdk_LIBRARIES)
foreach(c ${components})
find_library(DPDK_rte_${c}_LIBRARY rte_${c}
HINTS
ENV DPDK_DIR
${dpdk_pc_LIBRARY_DIRS}
PATH_SUFFIXES lib)
if(DPDK_rte_${c}_LIBRARY)
set(dpdk_lib dpdk::${c})
if (NOT TARGET ${dpdk_lib})
add_library(${dpdk_lib} UNKNOWN IMPORTED)
set_target_properties(${dpdk_lib} PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${dpdk_INCLUDE_DIR}"
IMPORTED_LOCATION "${DPDK_rte_${c}_LIBRARY}")
if(c STREQUAL pmd_mlx5)
find_package(verbs QUIET)
if(verbs_FOUND)
target_link_libraries(${dpdk_lib} INTERFACE IBVerbs::verbs)
endif()
endif()
endif()
list(APPEND dpdk_LIBRARIES ${dpdk_lib})
endif()
endforeach()
mark_as_advanced(dpdk_INCLUDE_DIR ${dpdk_LIBRARIES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(dpdk DEFAULT_MSG
dpdk_INCLUDE_DIR
dpdk_LIBRARIES)
if(dpdk_FOUND)
if(NOT TARGET dpdk::dpdk)
add_library(dpdk::dpdk INTERFACE IMPORTED)
find_package(Threads QUIET)
set_target_properties(dpdk::dpdk PROPERTIES
INTERFACE_LINK_LIBRARIES ${dpdk_LIBRARIES})
endif()
endif()