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Create a cmake API for O_RAN SC xran forked repo

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* create the xran forked repo as a cmake external project - easier to maintain and track the changes
  we applied to the original repo
* add xran_DOWNLOAD option - clones and builds latest supported K release
* update the FHI README for K release

Signed-off-by: Teodora Vladić <teodora.vladic@openairinterface.org>
This commit is contained in:
Teodora Vladić
2026-04-23 10:06:14 +02:00
parent 5b1f09faf1
commit e7c4d80a5d
3 changed files with 76 additions and 30 deletions
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radio/fhi_72/CMakeLists.txt
+46 -7
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@@ -21,15 +21,54 @@ add_library(oran_fhlib_5g MODULE
set(F_VERSION 6.1.9)
set(K_VERSION 11.1.1)
find_package(xran REQUIRED)
if(xran_VERSION VERSION_GREATER_EQUAL 5 AND xran_VERSION VERSION_LESS 6)
message(FATAL_ERROR "xran E release not supported starting from tag 2026.w08.\nPlease switch to F version ${F_VERSION}")
elseif(xran_VERSION VERSION_EQUAL F_VERSION)
target_compile_definitions(oran_fhlib_5g PRIVATE F_RELEASE)
elseif(xran_VERSION VERSION_EQUAL K_VERSION)
add_boolean_option(xran_DOWNLOAD OFF "Download and build xran library" OFF)
find_package(xran)
if(xran_FOUND)
if(xran_VERSION VERSION_GREATER_EQUAL 5 AND xran_VERSION VERSION_LESS 6)
message(FATAL_ERROR "xran E release not supported starting from tag 2026.w08.\nPlease switch to F version ${F_VERSION} or K version ${K_VERSION}")
elseif(xran_VERSION VERSION_EQUAL F_VERSION)
target_compile_definitions(oran_fhlib_5g PRIVATE F_RELEASE)
elseif(xran_VERSION VERSION_EQUAL K_VERSION)
if(dpdk_VERSION VERSION_LESS 22)
message(FATAL_ERROR "DPDK version miniminum 22 required for K release, but found ${dpdk_VERSION}")
endif()
target_compile_definitions(oran_fhlib_5g PRIVATE K_RELEASE)
else()
message(FATAL_ERROR "Found xran version ${xran_VERSION} but needed ${F_VERSION} (F release) or ${K_VERSION} (K release)")
endif()
elseif(NOT xran_FOUND AND xran_DOWNLOAD)
if(dpdk_VERSION VERSION_LESS 22)
message(FATAL_ERROR "DPDK version miniminum 22 required for K release, but found ${dpdk_VERSION}")
endif()
include(ExternalProject)
set(xran_DIR "${CMAKE_BINARY_DIR}/.deps/src/extern_xran/fhi_lib/lib")
ExternalProject_Add(extern_xran
PREFIX ${CMAKE_BINARY_DIR}/.deps
GIT_REPOSITORY https://github.com/openairinterface/o-du-phy.git
GIT_TAG ${K_VERSION}
CONFIGURE_COMMAND "" # nothing to configure
BUILD_COMMAND cd fhi_lib/lib && WIRELESS_SDK_TOOLCHAIN=gcc RTE_SDK=${dpdk_PREFIX} XRAN_DIR=.. make XRAN_LIB_SO=1
BUILD_IN_SOURCE ON
INSTALL_COMMAND ""
BUILD_BYPRODUCTS ${xran_DIR}/build/libxran.so
)
add_library(xran::xran UNKNOWN IMPORTED)
add_dependencies(xran::xran extern_xran)
# This is a workaround for the fact that included directories of an imported
# target should exist in the filesystem already at the configuration time.
# ref: https://gitlab.kitware.com/cmake/cmake/-/issues/15052
file(MAKE_DIRECTORY "${xran_DIR}/api/")
file(MAKE_DIRECTORY "${xran_DIR}/build/")
set_target_properties(xran::xran PROPERTIES
IMPORTED_LOCATION "${xran_DIR}/build/libxran.so"
INTERFACE_INCLUDE_DIRECTORIES "${xran_DIR}/api/"
)
message(STATUS "xran not found. Will clone and build automatically K release ${K_VERSION}")
target_compile_definitions(oran_fhlib_5g PRIVATE K_RELEASE)
else()
message(FATAL_ERROR "Found xran version ${xran_VERSION} but needed ${F_VERSION} (F release) or ${K_VERSION} (K release)")
message(FATAL_ERROR "could not find xran, and auto-download disabled. Update
xran_LOCATION, or set -Dxran_DOWNLOAD=ON")
endif()
# Ignore xran-specific warning: we don't care/can't change the following warning, so suppress