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LibSourcey.cmake
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LibSourcey.cmake
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# ============================================================================
# CMake file for LibSourcey
# ============================================================================
# ----------------------------------------------------------------------------
# LibSourcey build paths
# ----------------------------------------------------------------------------
set(LibSourcey_NAME LibSourcey)
set(LibSourcey_DIR ${CMAKE_CURRENT_LIST_DIR})
set(LibSourcey_SOURCE_DIR ${LibSourcey_DIR}/src)
set(LibSourcey_VENDOR_SOURCE_DIR ${LibSourcey_DIR}/vendor)
set(LibSourcey_BUILD_DIR ${CMAKE_BINARY_DIR})
set(LibSourcey_VENDOR_BUILD_DIR ${CMAKE_BINARY_DIR}/vendor)
set(LibSourcey_INSTALL_DIR ${CMAKE_INSTALL_PREFIX})
set(LibSourcey_SHARED_INSTALL_DIR ${LibSourcey_INSTALL_DIR}/share/libsourcey)
set(LibSourcey_VENDOR_INSTALL_DIR ${LibSourcey_SHARED_INSTALL_DIR}/vendor)
set(LibSourcey_PKGCONFIG_DIR ${LibSourcey_INSTALL_DIR}/lib/pkgconfig)
# Set CMake defaults
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LibSourcey_DIR}/cmake)
set(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} ${LibSourcey_DIR}/cmake)
set(CMAKE_LIBRARY_PATH ${LibSourcey_VENDOR_INSTALL_DIR}/lib ${CMAKE_LIBRARY_PATH})
set(CMAKE_SYSTEM_PREFIX_PATH ${LibSourcey_VENDOR_INSTALL_DIR}/include ${CMAKE_SYSTEM_PREFIX_PATH})
# Include CMake extensions
include(CMakeHelpers REQUIRED)
include(CMakeFindExtensions REQUIRED)
include(LibSourceyUtilities REQUIRED)
include(LibSourceyIncludes REQUIRED)
include(LibSourceyModules REQUIRED)
include(LibSourceyVersion REQUIRED)
# ----------------------------------------------------------------------------
# LibSourcey build components
# ----------------------------------------------------------------------------
set_option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" NOT (WIN32 OR ANDROID OR IOS))
set_option(BUILD_MODULES "Build LibSourcey modules" ON)
set_option(BUILD_APPLICATIONS "Build LibSourcey applications" ON IF CMAKE_COMPILER_IS_GNUCXX)
set_option(BUILD_DEPENDENCIES "Build third party dependencies" ON)
set_option(BUILD_TESTS "Build module test applications?" ON IF CMAKE_COMPILER_IS_GNUCXX)
set_option(BUILD_SAMPLES "Build module sample applications?" ON IF CMAKE_COMPILER_IS_GNUCXX)
set_option(BUILD_WITH_DEBUG_INFO "Include debug info into debug libs" ON)
set_option(BUILD_WITH_STATIC_CRT "Enables statically linked CRT for statically linked libraries" OFF)
set_option(BUILD_ALPHA "Build alpha development modules" OFF)
# ----------------------------------------------------------------------------
# LibSourcey build options
# ----------------------------------------------------------------------------
set_option(ENABLE_SOLUTION_FOLDERS "Solution folder in Visual Studio or in other IDEs" MSVC_IDE IF (CMAKE_VERSION VERSION_GREATER "2.8.0") )
set_option(ENABLE_PROFILING "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF IF CMAKE_COMPILER_IS_GNUCXX )
set_option(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CMAKE_COMPILER_IS_GNUCXX )
set_option(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
set_option(ENABLE_FAST_MATH "Enable -ffast-math (not recommended for GCC 4.6.x)" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSE "Enable SSE instructions" ON IF (MSVC OR CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSE2 "Enable SSE2 instructions" ON IF (MSVC OR CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSE3 "Enable SSE3 instructions" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSSE3 "Enable SSSE3 instructions" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSE41 "Enable SSE4.1 instructions" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_SSE42 "Enable SSE4.2 instructions" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
set_option(ENABLE_NOISY_WARNINGS "Show all warnings even if they are too noisy" OFF )
set_option(ENABLE_WARNINGS_ARE_ERRORS "Treat warnings as errors" OFF )
set_option(ENABLE_LOGGING "Enable internal debug logging" ON IF (CMAKE_BUILD_TYPE MATCHES DEBUG) )
set_option(EXCEPTION_RECOVERY "Attempt to recover from internal exceptions" ON IF (CMAKE_BUILD_TYPE MATCHES DEBUG) )
set_option(MSG_VERBOSE "Print verbose debug status messages" OFF )
# ----------------------------------------------------------------------------
# LibSourcey internal options
# ----------------------------------------------------------------------------
set(LibSourcey_INCLUDE_DIRS "") # CACHE INTERNAL "Global include dirs" FORCE)
set(LibSourcey_LIBRARY_DIRS "") # CACHE INTERNAL "Global include library dirs" FORCE)
set(LibSourcey_INCLUDE_LIBRARIES "") # CACHE INTERNAL "Global include libraries" FORCE)
set(LibSourcey_BUILD_DEPENDENCIES "" CACHE INTERNAL "Dependencies to build" FORCE)
set(LibSourcey_BUILD_MODULES "" CACHE INTERNAL "Modules to build" FORCE)
set(LibSourcey_BUILD_SAMPLES "" CACHE INTERNAL "Samples to build" FORCE)
set(LibSourcey_BUILD_TESTS "" CACHE INTERNAL "Tests to build" FORCE)
set(LibSourcey_BUILD_APPLICATIONS "" CACHE INTERNAL "Applications to build" FORCE)
# ----------------------------------------------------------------------------
# Solution folders:
# ----------------------------------------------------------------------------
if(ENABLE_SOLUTION_FOLDERS)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "CMakeTargets")
endif()
# ----------------------------------------------------------------------------
# C++ standard:
# ----------------------------------------------------------------------------
# C++ standard 14 minimum is required
# Wait until CMake >= 3.1 is widely adopted to use CMAKE_CXX_STANDARD
# set(CMAKE_CXX_STANDARD 14)
# set(CMAKE_CXX_STANDARD_REQUIRED on)
# ----------------------------------------------------------------------------
# Use statically or dynamically linked CRT?
# Default: dynamic
# ----------------------------------------------------------------------------
if(MSVC)
include(LibSourceyCRTLinkage REQUIRED)
endif()
# ----------------------------------------------------------------------------
# Apple and iOS build options
# ----------------------------------------------------------------------------
if(APPLE)
# Remove the “MACOSX_RPATH is not specified” warning
# set(CMAKE_MACOSX_RPATH 1)
# Silence CMake warnings by adopting modern behavior for MACOSX_RPATH on newer
# versions of CMake
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW)
endif()
if(IOS)
find_package(Threads REQUIRED)
endif()
if(!IOS)
set(CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
endif()
endif()
# ----------------------------------------------------------------------------
# LibSourcey compiler and linker options
# ----------------------------------------------------------------------------
include(LibSourceyCompilerOptions REQUIRED)
# ----------------------------------------------------------------------------
# Set the LibSourcey_LIB_TYPE variable for add_library
# ----------------------------------------------------------------------------
set(LibSourcey_LIB_TYPE STATIC)
if(BUILD_SHARED_LIBS)
set(LibSourcey_LIB_TYPE SHARED)
endif()
# ============================================================================
# Include Dependencies, Modules and Applications
#
# LibSourcey automatically includes all directories inside the ./src folder.
# Libraries in the LibSourcey source tree are broken up into three types:
#
# Dependency:
# A third party library required by a LibSourcey Modue or Application.
# Dependencies may be external or internal. External dependencies reside
# outside on the source tree, while internal dependencies generally reside
# in the ./deps folder. All dependencies must be built, installed, found
# and included by the build system before Modules and Application can be
# built.
#
# Module:
# A static or dynamic library which extends the LibSourcey core, and is
# included by Applications based on LibSourcey architecture. Modules must
# be built and installed before Applications.
#
# Application:
# A standalone application. These can be built once all Dependencies and
# Modules have been built and installed.
#
# ============================================================================
# ----------------------------------------------------------------------------
# Include standard and defult libraries
# ----------------------------------------------------------------------------
if(MSVC)
# CMAKE_CXX_STANDARD_LIBRARIES must be a string for MSVC
set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} advapi32.lib iphlpapi.lib psapi.lib shell32.lib ws2_32.lib dsound.lib winmm.lib strmiids.lib")
elseif(MSYS)
set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lws2_32 -liphlpapi") #${LibSourcey_INCLUDE_LIBRARIES}
elseif(APPLE)
set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -ldl") # -lm -lz -llibc -lglibc #${LibSourcey_INCLUDE_LIBRARIES}
elseif(UNIX)
set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lm -ldl -lrt") # -lz -lrt -lpulse-simple -lpulse -ljack -llibc -lglibc #${LibSourcey_INCLUDE_LIBRARIES}
endif()
#if (CMAKE_COMPILER_IS_GNUCXX)
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
#endif()
if(MSVC)
# Temporary workaround for "error LNK2026: module unsafe for SAFESEH image"
# when compiling with certain externally compiled libraries with VS2012,
# such as http://ffmpeg.zeranoe.com/builds/
# This disables safe exception handling by default.
if(${_MACHINE_ARCH_FLAG} MATCHES X86)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
endif()
# No pesky windows min/max macros
add_definitions(-DNOMINMAX)
endif()
# ----------------------------------------------------------------------------
# Include third party dependencies
# ----------------------------------------------------------------------------
# Set some required vendor variables for all modules
link_directories(${LibSourcey_VENDOR_INSTALL_DIR}/lib)
list(APPEND LibSourcey_INCLUDE_DIRS ${LibSourcey_VENDOR_INSTALL_DIR}/include)
if (EXISTS ${LibSourcey_VENDOR_INSTALL_DIR}/lib)
list(APPEND LibSourcey_LIBRARY_DIRS ${LibSourcey_VENDOR_INSTALL_DIR}/lib)
endif()
# Prefind external dependencies so we can set defaults
# find_package(OpenSSL)
find_package(Threads)
find_package(OpenCV)
find_package(FFmpeg)
# set_option(WITH_LIBUV "Include LibUV support" ON)
# set_option(WITH_RTAUDIO "Include RtAudio support" ON)
# set_option(WITH_HTTPPARSER "Include HttpParser support" ON)
# set_option(WITH_JSONCPP "Include JsonCpp support" ON)
set_option(WITH_ZLIB "Include zlib support" ON)
set_option(WITH_OPENSSL "Include OpenSSL support" ON) #IF (OPENSSL_FOUND)
set_option(WITH_FFMPEG "Include FFmpeg support" OFF) #ON IF (FFmpeg_FOUND)
set_option(WITH_OPENCV "Include OpenCV support" OFF) #ON IF (OpenCV_FOUND)
set_option(WITH_WEBRTC "Include WebRTC support" OFF)
set_option(WITH_POCO "Include Poco support" OFF)
set_option(WITH_WXWIDGETS "Include wxWidgets support" OFF)
# Include dependencies
if(APPLE)
status("Including APPLE's foundation and AVFoundation frameworks")
# Don't use RPATH's. The resulting binary could fail a security audit.
# if (NOT CMAKE_VERSION VERSION_LESS 2.8.12)
# set(CMAKE_MACOSX_RPATH OFF)
# endif()
set(CMAKE_MACOSX_RPATH ON)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
find_library(FOUNDATION Foundation)
find_library(AVFOUNDATION AVFoundation)
list(APPEND LibSourcey_BUILD_DEPENDENCIES ${FOUNDATION} ${AVFOUNDATION})
endif()
#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Foundation -framework AVFoundation")
#set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
#set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
endif()
# Build dependencies
add_vendor_dependency(LIBUV libuv)
if(WITH_ZLIB)
add_vendor_dependency(ZLIB zlib)
add_vendor_dependency(MINIZIP minizip)
endif()
# if(WITH_JSONCPP)
# add_vendor_dependency(JSONCPP jsoncpp)
# endif()
# add_vendor_dependency(JSON json)
add_vendor_dependency(HTTPPARSER http_parser)
# External dependencies
if(WITH_WEBRTC)
find_dependency(WebRTC REQUIRED)
# We will be building with BoringSSL instead of OpenSSL
message(STATUS "Using BoringSSL")
set(WITH_OPENSSL OFF)
set(HAVE_OPENSSL ON)
set(OPENSSL_IS_BORINGSSL ON)
unset(OPENSSL_INCLUDE_DIR CACHE)
unset(LIB_EAY_DEBUG CACHE)
unset(LIB_EAY_RELEASE CACHE)
unset(SSL_EAY_DEBUG CACHE)
unset(SSL_EAY_RELEASE CACHE)
find_path(OPENSSL_INCLUDE_DIR
NAMES openssl/ssl.h
PATHS
${WEBRTC_ROOT_DIR}/third_party/boringssl/src/include
${WEBRTC_ROOT_DIR}/include/third_party/boringssl/src/include
NO_DEFAULT_PATH)
list(APPEND LibSourcey_VENDOR_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
endif()
if(WITH_OPENSSL)
find_dependency(OpenSSL REQUIRED)
endif()
if(WITH_FFMPEG)
find_dependency(FFmpeg REQUIRED)
endif()
if(WITH_OPENCV)
find_dependency(OpenCV REQUIRED)
endif()
if(WITH_POCO)
find_dependency(Poco REQUIRED Util XML CppParser Foundation)
endif()
if(WITH_WXWIDGETS)
# TODO: specify required library options
find_dependency(wxWidgets REQUIRED core base adv)
endif()
# ----------------------------------------------------------------------------
# Include the LibSourcey source tree
# ----------------------------------------------------------------------------
# Include vendor source dirs
list(APPEND LibSourcey_VENDOR_INCLUDE_DIRS
${LibSourcey_VENDOR_SOURCE_DIR}/zlib
${LibSourcey_VENDOR_BUILD_DIR}/zlib
${LibSourcey_VENDOR_SOURCE_DIR}/minizip
${LibSourcey_VENDOR_SOURCE_DIR}/libuv/include
${LibSourcey_VENDOR_SOURCE_DIR}/http_parser
${LibSourcey_VENDOR_SOURCE_DIR}/json/src)
# ${LibSourcey_VENDOR_SOURCE_DIR}/rtaudio
# ${LibSourcey_VENDOR_SOURCE_DIR}/rtaudio/include
# ${LibSourcey_VENDOR_SOURCE_DIR}/jsoncpp
# Include inttypes.h for windows
# if (MSVC)
# include_directories(${LibSourcey_VENDOR_SOURCE_DIR}/msvc)
# endif()
# Enable testing if requested
if (BUILD_TESTS)
enable_testing()
endif()
# Include source tree modules
subdirlist(subdirs ${LibSourcey_SOURCE_DIR})
foreach(name ${subdirs})
# This variable is so modules can set HAVE_LibSourcey_XXX for our
# libsourcey.h inside the child scope. See include_sourcey_modules()
# TODO: Need to refactor since modules may be nested.
set(HAVE_LibSourcey_${name} 0)
set(dir "${LibSourcey_SOURCE_DIR}/${name}")
if (EXISTS "${dir}/CMakeLists.txt")
add_subdirectory(${dir} ${LibSourcey_BUILD_DIR}/${name})
endif()
endforeach()
# Condense related sublists into main variables
list(APPEND LibSourcey_INCLUDE_DIRS ${LibSourcey_MODULE_INCLUDE_DIRS} ${LibSourcey_VENDOR_INCLUDE_DIRS})
list(APPEND LibSourcey_LIBRARY_DIRS ${LibSourcey_MODULE_LIBRARY_DIRS} ${LibSourcey_BUILD_DIR})
list(APPEND LibSourcey_INCLUDE_LIBRARIES ${LibSourcey_MODULE_INCLUDE_LIBRARIES})
# Remove any duplicates from our lists
if(LibSourcey_LINK_LIBRARIES)
list(REMOVE_DUPLICATES LibSourcey_LINK_LIBRARIES)
endif()
if(LibSourcey_BUILD_DEPENDENCIES)
list(REMOVE_DUPLICATES LibSourcey_BUILD_DEPENDENCIES)
endif()
# ----------------------------------------------------------------------------
# Install targets
# ----------------------------------------------------------------------------
# Install specific vendor headers
install(FILES ${LibSourcey_VENDOR_SOURCE_DIR}/json/src/json.hpp
DESTINATION ${LibSourcey_VENDOR_INSTALL_DIR}/include
COMPONENT dev)
# Copy CMake files to shared install directory
install(DIRECTORY ${LibSourcey_DIR}/cmake
DESTINATION ${LibSourcey_SHARED_INSTALL_DIR}
COMPONENT dev
FILES_MATCHING PATTERN "CMake*" PATTERN "Find*")
# ----------------------------------------------------------------------------
# Install PkgConfig file
# ----------------------------------------------------------------------------
set(PKG_CONFIG_LIBS)
foreach(module ${LibSourcey_BUILD_MODULES})
set(PKG_CONFIG_LIBS "${PKG_CONFIG_LIBS} -lscy_${module}")
endforeach()
foreach(dep ${LibSourcey_BUILD_DEPENDENCIES})
set(PKG_CONFIG_LIBS "${PKG_CONFIG_LIBS} -l${dep}")
endforeach()
status("Creating 'libsourcey.pc'")
set(LibSourcey_PC ${LibSourcey_BUILD_DIR}/libsourcey.pc)
configure_file(
${LibSourcey_DIR}/cmake/libsourcey.pc.cmake.in
${LibSourcey_PC} @ONLY)
install(FILES ${LibSourcey_PC} DESTINATION ${LibSourcey_PKGCONFIG_DIR} COMPONENT dev)
# ----------------------------------------------------------------------------
# Build our libsourcey.h file
#
# A directory will be created for each platform so the "libsourcey.h" file is
# not overwritten if CMake generates code in the same path.
# ----------------------------------------------------------------------------
# Variables for libsourcey.h
set(SCY_ENABLE_LOGGING ${ENABLE_LOGGING})
set(SCY_EXCEPTION_RECOVERY ${EXCEPTION_RECOVERY})
set(SCY_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
status("Creating 'libsourcey.h'")
set(LibSourcey_CONFIG_FILE ${LibSourcey_BUILD_DIR}/libsourcey.h)
configure_file(
${LibSourcey_DIR}/cmake/libsourcey.h.cmake.in
${LibSourcey_CONFIG_FILE})
install(FILES ${LibSourcey_CONFIG_FILE} DESTINATION ${LibSourcey_INSTALL_DIR}/include COMPONENT dev)