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#
# Copyright 2014 Ettus Research LLC
# Copyright 2018 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
########################################################################
#
# Find the header <uhd/config.hpp> and library "libuhd" for the USRP
# Hardware Driver. Priorty for prefix search is:
# 1) ENV(UHD_DIR)
# 2) pkg-config results, if available;
# 3) CMAKE_INSTALL_PREFIX
# 4) /usr/local/
# 5) /usr/
#
# Version info is handled by UHDConfigVersion.cmake only; not here.
#
########################################################################
# Allows us to use all .cmake files in this directory
list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_LIST_DIR}")
# set that this file was found, for use in GNU Radio's FindUHD.cmake.
# Have to use the ENV, since this file might not allow CACHE changes.
set(ENV{UHD_CONFIG_USED} TRUE)
# set default values
set(UHD_FOUND TRUE)
set(UHD_RFNOC_FOUND @UHD_RFNOC_FOUND@)
set(UHD_INCLUDE_HINTS)
set(UHD_LIBDIR_HINTS)
set(UHD_DIR $ENV{UHD_DIR})
if(UHD_DIR)
list(APPEND UHD_INCLUDE_HINTS ${UHD_DIR}/include)
list(APPEND UHD_LIBDIR_HINTS ${UHD_DIR}/lib)
endif()
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
if(NOT ${CMAKE_VERSION} VERSION_LESS "2.8.0")
set(UHD_QUIET "QUIET")
endif()
PKG_CHECK_MODULES(PC_UHD ${UHD_QUIET} uhd)
if(PC_UHD_FOUND)
list(APPEND UHD_INCLUDE_HINTS ${PC_UHD_INCLUDEDIR})
list(APPEND UHD_LIBDIR_HINTS ${PC_UHD_LIBDIR})
endif()
endif()
list(APPEND UHD_INCLUDE_HINTS ${CMAKE_INSTALL_PREFIX}/include)
list(APPEND UHD_LIBDIR_HINTS ${CMAKE_INSTALL_PREFIX}/lib)
# Search for static libs if so required
if( UHD_USE_STATIC_LIBS )
set( _UHD_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
endif()
# This is set during build of UHD to match the installed version:
set(UHD_STATIC_LIB_DEPS "@UHD_LINK_LIST_STATIC@")
endif()
# Verify that <uhd/config.hpp> and libuhd are available, and, if a
# version is provided, that UHD meets the version requirements -- no
# matter what pkg-config might think.
find_path(
UHD_INCLUDE_DIRS
NAMES uhd/config.hpp
HINTS ${UHD_INCLUDE_HINTS}
PATHS /usr/local/include
/usr/include
)
find_library(
UHD_LIBRARIES
NAMES uhd
HINTS ${UHD_LIBDIR_HINTS}
PATHS /usr/local/lib
/usr/lib
)
# Set up linker flags for static linking:
if(UHD_USE_STATIC_LIBS)
if(WIN32)
message(FATAL_ERROR "Static linking not available on Windows")
else(WIN32)
# This works for gcc and Clang:
set(UHD_STATIC_LIB_LINK_FLAG "-Wl,-whole-archive ${UHD_LIBRARIES} -Wl,-no-whole-archive")
endif(WIN32)
# Restore the library suffixes, if we changed them:
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_UHD_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
endif(UHD_USE_STATIC_LIBS)
if(UHD_LIBRARIES AND UHD_INCLUDE_DIRS)
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(UHD DEFAULT_MSG UHD_LIBRARIES UHD_INCLUDE_DIRS)
mark_as_advanced(UHD_LIBRARIES UHD_INCLUDE_DIRS)
elseif(UHD_FIND_REQUIRED)
message(FATAL_ERROR "UHD is required, but was not found.")
endif()
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