ceph/cmake/modules/Finddaxctl.cmake
Yin Congmin b6b24852a6 cmake: add findndctl and finddaxctl function
In order to support the character device of pmem usage in bluestore via
libpmem built by Ceph itself, we need to enable daxctl and ndctl
dependency. add the installation of ndctl and find it. the version of
ndctl and daxctl library requires >63. "apt-get install" meet the version
under ubuntu focal.

the installation of ndctl-devel in ceph.spec.in has not been verified.

Signed-off-by: Yin Congmin <congmin.yin@intel.com>
2022-07-12 10:32:57 +08:00

43 lines
1.5 KiB
CMake

# - Find libdaxctl
# Find the daxctl libraries and includes
#
# daxctl_INCLUDE_DIR - where to find libdaxctl.h etc.
# daxctl_LIBRARIES - List of libraries when using daxctl.
# daxctl_FOUND - True if daxctl found.
find_path(daxctl_INCLUDE_DIR daxctl/libdaxctl.h)
if(daxctl_INCLUDE_DIR AND EXISTS "${daxctl_INCLUDE_DIR}/libdaxctl.h")
foreach(ver "MAJOR" "MINOR" "RELEASE")
file(STRINGS "${daxctl_INCLUDE_DIR}/libdaxctl.h" daxctl_VER_${ver}_LINE
REGEX "^#define[ \t]+daxctl_VERSION_${ver}[ \t]+[0-9]+[ \t]+.*$")
string(REGEX REPLACE "^#define[ \t]+daxctl_VERSION_${ver}[ \t]+([0-9]+)[ \t]+.*$"
"\\1" daxctl_VERSION_${ver} "${daxctl_VER_${ver}_LINE}")
unset(${daxctl_VER_${ver}_LINE})
endforeach()
set(daxctl_VERSION_STRING
"${daxctl_VERSION_MAJOR}.${daxctl_VERSION_MINOR}.${daxctl_VERSION_RELEASE}")
endif()
find_library(daxctl_LIBRARY daxctl)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(daxctl
REQUIRED_VARS daxctl_LIBRARY daxctl_INCLUDE_DIR
VERSION_VAR daxctl_VERSION_STRING)
mark_as_advanced(daxctl_INCLUDE_DIR daxctl_LIBRARY)
if(daxctl_FOUND)
set(daxctl_INCLUDE_DIRS ${daxctl_INCLUDE_DIR})
set(daxctl_LIBRARIES ${daxctl_LIBRARY})
if(NOT (TARGET daxctl::daxctl))
add_library(daxctl::daxctl UNKNOWN IMPORTED)
set_target_properties(daxctl::daxctl PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${daxctl_INCLUDE_DIRS}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${daxctl_LIBRARIES}"
VERSION "${daxctl_VERSION_STRING}")
endif()
endif()