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#
# Copyright 2014 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
########################################################################
#
# 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.
#
########################################################################
# 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_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()
INCLUDE(FindPkgConfig)
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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