# # Copyright 2010-2016 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 . # ######################################################################## #IF(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) # MESSAGE(FATAL_ERROR "Prevented in-tree built. This is bad practice.") #ENDIF(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) ######################################################################## # Project setup ######################################################################## CMAKE_MINIMUM_REQUIRED(VERSION 2.8) PROJECT(UHD CXX C) ENABLE_TESTING() #make sure our local CMake Modules path comes first list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_SOURCE_DIR}/cmake/Modules) ######################################################################## # Check Compiler Version ######################################################################## # Full C++11 came with GCC 4.7. SET(GCC_MIN_VERSION "4.8.0") # for c++0x or c++11 support, require: # Apple Clang >= 500 # or # Clang >= 3.3.0 SET(CLANG_MIN_VERSION "3.3.0") SET(APPLECLANG_MIN_VERSION "500") IF(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU") IF(DEFINED CMAKE_CXX_COMPILER_VERSION) IF(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS ${GCC_MIN_VERSION}) MESSAGE(WARNING "\nThe compiler selected to build UHD (GCC version ${CMAKE_CXX_COMPILER_VERSION} : ${CMAKE_CXX_COMPILER}) is older than that officially supported (${GCC_MIN_VERSION} minimum). This build may or not work. We highly recommend using a more recent GCC version.") ENDIF() ELSE() MESSAGE(WARNING "\nCannot determine the version of the compiler selected to build UHD (GCC : ${CMAKE_CXX_COMPILER}). This build may or not work. We highly recommend using GCC version ${GCC_MIN_VERSION} or more recent.") ENDIF() SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og") ELSEIF(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang") EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -v RESULT_VARIABLE res ERROR_VARIABLE err ERROR_STRIP_TRAILING_WHITESPACE) IF(${res} STREQUAL "0") # output is in error stream STRING(REGEX MATCH "^Apple.*" IS_APPLE ${err}) IF("${IS_APPLE}" STREQUAL "") SET(MIN_VERSION ${CLANG_MIN_VERSION}) SET(APPLE_STR "") # retrieve the compiler's version from it STRING(REGEX MATCH "clang version [0-9.]+" CLANG_OTHER_VERSION ${err}) STRING(REGEX MATCH "[0-9.]+" CLANG_VERSION ${CLANG_OTHER_VERSION}) ELSE() SET(MIN_VERSION ${APPLECLANG_MIN_VERSION}) SET(APPLE_STR "Apple ") # retrieve the compiler's version from it STRING(REGEX MATCH "(clang-[0-9.]+)" CLANG_APPLE_VERSION ${err}) STRING(REGEX MATCH "[0-9.]+" CLANG_VERSION ${CLANG_APPLE_VERSION}) ENDIF() IF(${CLANG_VERSION} VERSION_LESS "${MIN_VERSION}") MESSAGE(WARNING "\nThe compiler selected to build UHD (${APPLE_STR}Clang version ${CLANG_VERSION} : ${CMAKE_CXX_COMPILER}) is older than that officially supported (${MIN_VERSION} minimum). This build may or not work. We highly recommend using Apple Clang version ${APPLECLANG_MIN_VERSION} or more recent, or Clang version ${CLANG_MIN_VERSION} or more recent.") ENDIF() ELSE() MESSAGE(WARNING "\nCannot determine the version of the compiler selected to build UHD (${APPLE_STR}Clang : ${CMAKE_CXX_COMPILER}). This build may or not work. We highly recommend using Apple Clang version ${APPLECLANG_MIN_VERSION} or more recent, or Clang version ${CLANG_MIN_VERSION} or more recent.") ENDIF() ENDIF() ######################################################################## # Packaging Variables ######################################################################## SET(LIBUHD_PKG ${LIBUHD_PKG} CACHE BOOL "Build Debian libuhd003 package") SET(LIBUHDDEV_PKG ${LIBUHDDEV_PKG} CACHE BOOL "Build Debian libuhd-dev package") SET(UHDHOST_PKG ${UHDPOST_PKG} CACHE BOOL "Build Debian uhd-host package") INCLUDE(UHDComponent) #enable components INCLUDE(UHDPackage) #setup cpack ######################################################################## # Install Dirs ######################################################################## #when the library suffix should be 64 (applies to redhat linux family) IF(NOT DEFINED LIB_SUFFIX AND REDHAT AND CMAKE_SYSTEM_PROCESSOR MATCHES "64$") SET(LIB_SUFFIX 64) ENDIF() IF(CMAKE_INSTALL_LIBDIR MATCHES lib64) SET(LIB_SUFFIX 64) ENDIF() SET(LIB_SUFFIX ${LIB_SUFFIX} CACHE STRING "lib directory suffix") SET(RUNTIME_DIR bin) SET(LIBRARY_DIR lib${LIB_SUFFIX}) SET(INCLUDE_DIR include) SET(PKG_DATA_DIR share/uhd) IF(NOT DEFINED PKG_LIB_DIR) SET(PKG_LIB_DIR ${LIBRARY_DIR}/uhd) ENDIF() SET(PKG_DOC_DIR share/doc/uhd) SET(PKG_MAN_DIR share/man/man1) ######################################################################## # UHD Image Directories ######################################################################## IF(NOT DEFINED UHD_IMAGES_DIR) IF(DEFINED FPGA_IMAGES_DIR) SET(UHD_IMAGES_DIR ${FPGA_IMAGES_DIR}) ELSE(DEFINED FPGA_IMAGES_DIR) FILE(TO_NATIVE_PATH ${CMAKE_INSTALL_PREFIX}/share/uhd/images using_images_dir) SET(UHD_IMAGES_DIR ${using_images_dir}) ENDIF(DEFINED FPGA_IMAGES_DIR) ENDIF(NOT DEFINED UHD_IMAGES_DIR) OPTION(UHD_IMAGES_DIR "Path to installed UHD image binaries.") MESSAGE( STATUS "Using UHD Images Directory: ${UHD_IMAGES_DIR}" ) ADD_DEFINITIONS(-DUHD_IMAGES_DIR=${UHD_IMAGES_DIR}) IF(DEFINED UHD_IMAGES_DIR_WINREG_KEY) ADD_DEFINITIONS(-DUHD_IMAGES_DIR_WINREG_KEY=${UHD_IMAGES_DIR_WINREG_KEY}) ENDIF(DEFINED UHD_IMAGES_DIR_WINREG_KEY) ######################################################################## # Local Include Dir ######################################################################## INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}/include) INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include) ######################################################################## # Static Lib Configuration ######################################################################## OPTION(ENABLE_STATIC_LIBS "Enable building of static libraries" OFF) IF(ENABLE_STATIC_LIBS) MESSAGE(STATUS "Building Static Libraries: ${ENABLE_STATIC_LIBS}") ENDIF(ENABLE_STATIC_LIBS) ######################################################################## # On Apple only, set install name and use rpath correctly, if not already set ######################################################################## IF(APPLE) IF(NOT CMAKE_INSTALL_NAME_DIR) SET(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/${LIBRARY_DIR} CACHE PATH "Library Install Name Destination Directory" FORCE) ENDIF(NOT CMAKE_INSTALL_NAME_DIR) IF(NOT CMAKE_INSTALL_RPATH) SET(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/${LIBRARY_DIR} CACHE PATH "Library Install RPath" FORCE) ENDIF(NOT CMAKE_INSTALL_RPATH) IF(NOT CMAKE_BUILD_WITH_INSTALL_RPATH) SET(CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "Do Build Using Library Install RPath" FORCE) ENDIF(NOT CMAKE_BUILD_WITH_INSTALL_RPATH) ENDIF(APPLE) ######################################################################## # Optional Compiler Flags ######################################################################## INCLUDE(CheckCXXCompilerFlag) MACRO(UHD_ADD_OPTIONAL_CXX_COMPILER_FLAG flag have) CHECK_CXX_COMPILER_FLAG(${flag} ${have}) IF(${have}) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") ENDIF(${have}) ENDMACRO(UHD_ADD_OPTIONAL_CXX_COMPILER_FLAG) #select the release build type by default to get optimization flags IF(NOT CMAKE_BUILD_TYPE) SET(CMAKE_BUILD_TYPE "Release") MESSAGE(STATUS "Build type not specified: defaulting to release.") ENDIF(NOT CMAKE_BUILD_TYPE) SET(CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING "") #force UHD_RELEASE_MODE to be a string for cmake-gui SET(UHD_RELEASE_MODE "${UHD_RELEASE_MODE}" CACHE STRING "UHD Release Mode") IF(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang") IF(STRIP_BINARIES) IF(NOT CMAKE_BUILD_TYPE STREQUAL "Debug") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s") ENDIF(NOT CMAKE_BUILD_TYPE STREQUAL "Debug") ENDIF(STRIP_BINARIES) ADD_DEFINITIONS(-Wall) ADD_DEFINITIONS(-Wextra) ADD_DEFINITIONS(-Wsign-compare) #ADD_DEFINITIONS(-Wconversion) #ADD_DEFINITIONS(-pedantic) #ADD_DEFINITIONS(-ansi) IF(NOT WIN32) #only export symbols that are declared to be part of the uhd api (non dll platforms) UHD_ADD_OPTIONAL_CXX_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN) UHD_ADD_OPTIONAL_CXX_COMPILER_FLAG(-fvisibility-inlines-hidden HAVE_VISIBILITY_INLINES_HIDDEN) ENDIF(NOT WIN32) ENDIF() IF(MSVC) INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/cmake/msvc) ADD_DEFINITIONS( #stop all kinds of compatibility warnings -D_SCL_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -D_WINSOCK_DEPRECATED_NO_WARNINGS ) ADD_DEFINITIONS(/MP) #multi-threaded build ADD_DEFINITIONS(/bigobj) #Increases the number of addressable sections in an .obj file. ENDIF(MSVC) IF(CYGWIN) ADD_DEFINITIONS(-D__USE_W32_SOCKETS) #boost asio says we need this ENDIF(CYGWIN) IF(WIN32) ADD_DEFINITIONS(-D_WIN32_WINNT=0x0501) #minimum version required is windows xp ADD_DEFINITIONS(-DNOMINMAX) #disables stupidity and enables std::min and std::max ENDIF(WIN32) ######################################################################## # Setup Boost ######################################################################## MESSAGE(STATUS "") MESSAGE(STATUS "Configuring Boost C++ Libraries...") SET(BOOST_REQUIRED_COMPONENTS chrono date_time filesystem program_options regex system unit_test_framework serialization ) IF(MINGW) LIST(APPEND BOOST_REQUIRED_COMPONENTS thread_win32) ELSE() LIST(APPEND BOOST_REQUIRED_COMPONENTS thread) ENDIF() IF(UNIX AND NOT BOOST_ROOT AND EXISTS "/usr/lib64") LIST(APPEND BOOST_LIBRARYDIR "/usr/lib64") #fedora 64-bit fix ENDIF(UNIX AND NOT BOOST_ROOT AND EXISTS "/usr/lib64") IF(MSVC) SET(BOOST_ALL_DYN_LINK "${BOOST_ALL_DYN_LINK}" CACHE BOOL "boost enable dynamic linking") IF(BOOST_ALL_DYN_LINK) ADD_DEFINITIONS(-DBOOST_ALL_DYN_LINK) #setup boost auto-linking in msvc ELSE(BOOST_ALL_DYN_LINK) SET(BOOST_REQUIRED_COMPONENTS) #empty components list for static link ENDIF(BOOST_ALL_DYN_LINK) ENDIF(MSVC) SET(Boost_ADDITIONAL_VERSIONS "1.46.0" "1.46" "1.47.0" "1.47" "1.48.0" "1.48" "1.48.0" "1.49" "1.50.0" "1.50" "1.51.0" "1.51" "1.52.0" "1.52" "1.53.0" "1.53" "1.54.0" "1.54" "1.55.0" "1.55" "1.56.0" "1.56" "1.57" "1.57" "1.58" "1.59" "1.60" ) FIND_PACKAGE(Boost 1.53 COMPONENTS ${BOOST_REQUIRED_COMPONENTS}) INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS}) LINK_DIRECTORIES(${Boost_LIBRARY_DIRS}) MESSAGE(STATUS "Boost include directories: ${Boost_INCLUDE_DIRS}") MESSAGE(STATUS "Boost library directories: ${Boost_LIBRARY_DIRS}") MESSAGE(STATUS "Boost libraries: ${Boost_LIBRARIES}") ######################################################################## # Additional settings for build environment ######################################################################## # Note: RFNoC never gets fully disabled, but the public APIs do SET(ENABLE_RFNOC OFF CACHE BOOL "Export RFNoC includes and symbols") INCLUDE(UHDGlobalDefs) ######################################################################## # Check Python Modules ######################################################################## INCLUDE(UHDPython) PYTHON_CHECK_MODULE( "Python version 2.7 or greater" "platform" "platform.python_version() >= '2.7'" HAVE_PYTHON_PLAT_MIN_VERSION ) PYTHON_CHECK_MODULE( "Mako templates 0.4 or greater" "mako" "mako.__version__ >= '0.4.2'" HAVE_PYTHON_MODULE_MAKO ) ######################################################################## # Create Uninstall Target ######################################################################## CONFIGURE_FILE( ${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake @ONLY) ADD_CUSTOM_TARGET(uninstall ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake ) ######################################################################## # Install Package Docs ######################################################################## UHD_INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/README.md ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE DESTINATION ${PKG_DOC_DIR} COMPONENT readme ) ######################################################################## # Images download directory for utils/uhd_images_downloader.py ######################################################################## #{{{IMG_SECTION # This section is written automatically by /images/create_imgs_package.py # Any manual changes in here will be overwritten. SET(UHD_IMAGES_MD5SUM "26473d4f18d2c9a207062e107bda1d11") SET(UHD_IMAGES_DOWNLOAD_SRC "uhd-images_003.010.000.000-release.zip") #}}} ######################################################################## # Register top level components ######################################################################## LIBUHD_REGISTER_COMPONENT("LibUHD" ENABLE_LIBUHD ON "Boost_FOUND;HAVE_PYTHON_PLAT_MIN_VERSION;HAVE_PYTHON_MODULE_MAKO" OFF ON) LIBUHD_REGISTER_COMPONENT("LibUHD - C API" ENABLE_C_API ON "ENABLE_LIBUHD" OFF OFF) LIBUHD_REGISTER_COMPONENT("Examples" ENABLE_EXAMPLES ON "ENABLE_LIBUHD" OFF OFF) LIBUHD_REGISTER_COMPONENT("Utils" ENABLE_UTILS ON "ENABLE_LIBUHD" OFF OFF) LIBUHD_REGISTER_COMPONENT("Tests" ENABLE_TESTS ON "ENABLE_LIBUHD" OFF OFF) ######################################################################## # Check for fpga-src submodule ######################################################################## SET(HAS_FPGA_SUBMODULE FALSE) EXECUTE_PROCESS( COMMAND ${PYTHON_EXECUTABLE} -c "import os; print(os.path.abspath(os.path.join('${CMAKE_SOURCE_DIR}', '..', 'fpga-src')))" OUTPUT_VARIABLE FPGA_SUBMODULE_DIR OUTPUT_STRIP_TRAILING_WHITESPACE ) IF(EXISTS "${FPGA_SUBMODULE_DIR}/docs/fpga.md") SET(HAS_FPGA_SUBMODULE TRUE) MESSAGE(STATUS "") MESSAGE(STATUS "Found FPGA submodule: ${FPGA_SUBMODULE_DIR}") ENDIF(EXISTS "${FPGA_SUBMODULE_DIR}/docs/fpga.md") ######################################################################## # Add the subdirectories ######################################################################## IF(ENABLE_LIBUHD) ADD_SUBDIRECTORY(lib) ENDIF(ENABLE_LIBUHD) ADD_SUBDIRECTORY(include) IF(ENABLE_EXAMPLES) ADD_SUBDIRECTORY(examples) ENDIF(ENABLE_EXAMPLES) IF(ENABLE_TESTS) ADD_SUBDIRECTORY(tests) ENDIF(ENABLE_TESTS) IF(ENABLE_UTILS) ADD_SUBDIRECTORY(utils) ENDIF(ENABLE_UTILS) ADD_SUBDIRECTORY(docs) ######################################################################## # Create Pkg Config File ######################################################################## FOREACH(inc ${Boost_INCLUDE_DIRS}) LIST(APPEND UHD_PC_CFLAGS "-I${inc}") ENDFOREACH(inc) FOREACH(lib ${Boost_LIBRARY_DIRS}) LIST(APPEND UHD_PC_LIBS "-L${lib}") ENDFOREACH(lib) #use space-separation format for the pc file STRING(REPLACE ";" " " UHD_PC_REQUIRES "${UHD_PC_REQUIRES}") STRING(REPLACE ";" " " UHD_PC_CFLAGS "${UHD_PC_CFLAGS}") STRING(REPLACE ";" " " UHD_PC_LIBS "${UHD_PC_LIBS}") #unset these vars to avoid hard-coded paths to cross environment IF(CMAKE_CROSSCOMPILING) SET(UHD_PC_CFLAGS) SET(UHD_PC_LIBS) ENDIF(CMAKE_CROSSCOMPILING) CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/uhd.pc.in ${CMAKE_CURRENT_BINARY_DIR}/uhd.pc @ONLY) UHD_INSTALL( FILES ${CMAKE_CURRENT_BINARY_DIR}/uhd.pc DESTINATION ${LIBRARY_DIR}/pkgconfig COMPONENT "devel" ) ######################################################################## # Create and Install UHD cmake files ######################################################################## IF(NOT CMAKE_MODULES_DIR) SET(CMAKE_MODULES_DIR lib${LIB_SUFFIX}/cmake) ENDIF(NOT CMAKE_MODULES_DIR) # UHDConfig.cmake needs UHD_LINK_LIST_STATIC set: LIST(APPEND UHD_LINK_LIST_STATIC "dl") LIST(APPEND UHD_LINK_LIST_STATIC "pthread") FOREACH(Boost_Comp ${BOOST_REQUIRED_COMPONENTS}) IF(NOT ${Boost_Comp} STREQUAL "unit_test_framework") LIST(APPEND UHD_LINK_LIST_STATIC "boost_${Boost_Comp}") ENDIF(NOT ${Boost_Comp} STREQUAL "unit_test_framework") ENDFOREACH(Boost_Comp) IF(ENABLE_USB) LIST(APPEND UHD_LINK_LIST_STATIC "usb-1.0") ENDIF(ENABLE_USB) # UHDConfig.cmake also needs UHD_RFNOC_FOUND IF(ENABLE_RFNOC) SET(UHD_RFNOC_FOUND "TRUE") ELSE() SET(UHD_RFNOC_FOUND "FALSE") ENDIF(ENABLE_RFNOC) CONFIGURE_FILE( ${CMAKE_SOURCE_DIR}/cmake/Modules/UHDConfigVersion.cmake.in ${CMAKE_BINARY_DIR}/cmake/Modules/UHDConfigVersion.cmake @ONLY ) CONFIGURE_FILE( ${CMAKE_SOURCE_DIR}/cmake/Modules/UHDConfig.cmake.in ${CMAKE_BINARY_DIR}/cmake/Modules/UHDConfig.cmake @ONLY ) SET(cmake_configs ${CMAKE_BINARY_DIR}/cmake/Modules/UHDConfig.cmake ${CMAKE_BINARY_DIR}/cmake/Modules/UHDConfigVersion.cmake ) UHD_INSTALL( FILES ${cmake_configs} DESTINATION ${CMAKE_MODULES_DIR}/uhd COMPONENT "devel" ) ######################################################################## # Handle pre-built UHD Images for packaging ######################################################################## IF(DEFINED UHD_IMAGES_SRC_DIR AND EXISTS "${UHD_IMAGES_SRC_DIR}") MESSAGE(STATUS "Reading images from directory `${UHD_IMAGES_SRC_DIR}'") FILE(GLOB_RECURSE _image_files "${UHD_IMAGES_SRC_DIR}/*") MESSAGE(STATUS "These images files will be installed/packaged:") FOREACH(_img ${_image_files}) MESSAGE(STATUS " ${_img}") ENDFOREACH(_img) UHD_INSTALL(FILES ${_image_files} DESTINATION ${PKG_DATA_DIR}/images COMPONENT images) ENDIF(DEFINED UHD_IMAGES_SRC_DIR AND EXISTS "${UHD_IMAGES_SRC_DIR}") ######################################################################## # Print Summary ######################################################################## IF(LIBUHD_PKG) MESSAGE(STATUS "") SET(PRINT_APPEND " (Debian libuhd003 package configuration)") ELSEIF(LIBUHDDEV_PKG) MESSAGE(STATUS "") SET(PRINT_APPEND " (Debian libuhd-dev package configuration)") ELSEIF(UHDHOST_PKG) MESSAGE(STATUS "") SET(PRINT_APPEND " (Debian uhd-host package configuration)") ENDIF(LIBUHD_PKG) UHD_PRINT_COMPONENT_SUMMARY() IF(UHD_VERSION_DEVEL AND NOT UHD_GIT_BRANCH STREQUAL "maint") MESSAGE(STATUS "******************************************************") IF(UHD_GIT_BRANCH STREQUAL "master") MESSAGE(STATUS "* You are building the UHD development master branch.") MESSAGE(STATUS "* For production code, we recommend our stable,") MESSAGE(STATUS "* releases or using the release branch (maint).") ELSE() MESSAGE(STATUS "* You are building a development branch of UHD.") MESSAGE(STATUS "* These branches are designed to provide early access") MESSAGE(STATUS "* to UHD and USRP features, but should be considered") MESSAGE(STATUS "* unstable and/or experimental!") ENDIF(UHD_GIT_BRANCH STREQUAL "master") MESSAGE(STATUS "******************************************************") ENDIF(UHD_VERSION_DEVEL AND NOT UHD_GIT_BRANCH STREQUAL "maint") MESSAGE(STATUS "Building version: ${UHD_VERSION}${PRINT_APPEND}") MESSAGE(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")