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CMakeLists.txt
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CMakeLists.txt
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#
# SRT - Secure, Reliable, Transport
# Copyright (c) 2018 Haivision Systems Inc.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
# XXX This can be potentially done in future, but there still exist
# some dependent project using cmake 2.8 - this can't be done this way.
#cmake_minimum_required (VERSION 3.0.2 FATAL_ERROR)
#project(SRT VERSION "1.4.1")
project(SRT C CXX)
set (CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/scripts")
include(haiUtil)
include(FindPkgConfig)
# XXX See 'if (MINGW)' condition below, may need fixing.
include(FindThreads)
include(CheckFunctionExists)
# Platform shortcuts
string(TOLOWER ${CMAKE_SYSTEM_NAME} SYSNAME_LC)
set_if(DARWIN ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set_if(LINUX ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set_if(BSD ${SYSNAME_LC} MATCHES "bsd$")
set_if(MICROSOFT WIN32 AND (NOT MINGW AND NOT CYGWIN))
set_if(GNU ${CMAKE_SYSTEM_NAME} MATCHES "GNU")
set_if(POSIX LINUX OR DARWIN OR BSD OR (CYGWIN AND CYGWIN_USE_POSIX))
set_if(SYMLINKABLE LINUX OR DARWIN OR BSD OR CYGWIN OR GNU)
# Not sure what to do in case of compiling by MSVC.
# This will make installdir in C:\Program Files\SRT then
# inside "bin" and "lib64" directories. At least this maintains
# the current status. Shall this be not desired, override values
# of CMAKE_INSTALL_BINDIR, CMAKE_INSTALL_LIBDIR and CMAKE_INSTALL_INCLUDEDIR.
if (NOT DEFINED CMAKE_INSTALL_LIBDIR)
include(GNUInstallDirs)
endif()
set (SRT_VERSION 1.4.1)
set_version_variables(SRT_VERSION ${SRT_VERSION})
# The CMAKE_BUILD_TYPE seems not to be always set, weird.
if (NOT DEFINED ENABLE_DEBUG)
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set (ENABLE_DEBUG ON)
else()
set (ENABLE_DEBUG OFF)
endif()
endif()
# Set CMAKE_BUILD_TYPE properly, now that you know
# that ENABLE_DEBUG is set as it should.
if (ENABLE_DEBUG EQUAL 2)
set (CMAKE_BUILD_TYPE "RelWithDebInfo")
elseif (ENABLE_DEBUG) # 1, ON, YES, TRUE, Y, or any other non-zero number
set (CMAKE_BUILD_TYPE "Debug")
else()
set (CMAKE_BUILD_TYPE "Release")
endif()
message(STATUS "BUILD TYPE: ${CMAKE_BUILD_TYPE}")
getVarsWith(ENFORCE_ enforcers)
foreach(ef ${enforcers})
set (val ${${ef}})
if (NOT val STREQUAL "")
set(val =${val})
endif()
string(LENGTH ENFORCE_ pflen)
string(LENGTH ${ef} eflen)
math(EXPR alen ${eflen}-${pflen})
string(SUBSTRING ${ef} ${pflen} ${alen} ef)
message(STATUS "FORCED PP VARIABLE: ${ef}${val}")
add_definitions(-D${ef}${val})
endforeach()
# option defaults
# XXX CHANGE: Logging is enabled now by default,
# use ENABLE_LOGGING=NO in cmake or
# --disable-logging in configure.
set(ENABLE_HEAVY_LOGGING_DEFAULT OFF)
# Always turn logging on if the build type is debug
if (ENABLE_DEBUG)
set(ENABLE_HEAVY_LOGGING_DEFAULT ON)
endif()
# options
option(CYGWIN_USE_POSIX "Should the POSIX API be used for cygwin. Ignored if the system isn't cygwin." OFF)
option(ENABLE_CXX11 "Should the c++11 parts (srt-live-transmit) be enabled" ON)
option(ENABLE_APPS "Should the Support Applications be Built?" ON)
option(ENABLE_TESTING "Should the Developer Test Applications be Built?" OFF)
option(ENABLE_PROFILE "Should instrument the code for profiling. Ignored for non-GNU compiler." $ENV{HAI_BUILD_PROFILE})
option(ENABLE_LOGGING "Should logging be enabled" ON)
option(ENABLE_HEAVY_LOGGING "Should heavy debug logging be enabled" ${ENABLE_HEAVY_LOGGING_DEFAULT})
option(ENABLE_HAICRYPT_LOGGING "Should logging in haicrypt be enabled" 0)
option(ENABLE_SHARED "Should libsrt be built as a shared library" ON)
option(ENABLE_STATIC "Should libsrt be built as a static library" ON)
option(ENABLE_RELATIVE_LIBPATH "Should application contain relative library paths, like ../lib" OFF)
option(ENABLE_SUFLIP "Should suflip tool be built" OFF)
option(ENABLE_GETNAMEINFO "In-logs sockaddr-to-string should do rev-dns" OFF)
option(ENABLE_UNITTESTS "Enable unit tests" OFF)
option(ENABLE_ENCRYPTION "Enable encryption in SRT" ON)
option(ENABLE_CXX_DEPS "Extra library dependencies in srt.pc for the CXX libraries useful with C language" ON)
option(USE_STATIC_LIBSTDCXX "Should use static rather than shared libstdc++" OFF)
option(ENABLE_INET_PTON "Set to OFF to prevent usage of inet_pton when building against modern SDKs while still requiring compatibility with older Windows versions, such as Windows XP, Windows Server 2003 etc." ON)
option(ENABLE_CODE_COVERAGE "Enable code coverage reporting" OFF)
option(ENABLE_MONOTONIC_CLOCK "Enforced clock_gettime with monotonic clock on GC CV /temporary fix for #729/" OFF)
option(USE_OPENSSL_PC "Use pkg-config to find OpenSSL libraries" ON)
option(USE_BUSY_WAITING "Enable more accurate sending times at a cost of potentially higher CPU load" OFF)
option(USE_GNUSTL "Get c++ library/headers from the gnustl.pc" OFF)
set(TARGET_srt "srt" CACHE STRING "The name for the SRT library")
# Use application-defined group reader
# (currently the only one implemented)
add_definitions(-DSRT_ENABLE_APP_READER)
if (NOT ENABLE_LOGGING)
set (ENABLE_HEAVY_LOGGING OFF)
message(STATUS "LOGGING: DISABLED")
else()
if (ENABLE_HEAVY_LOGGING)
message(STATUS "LOGGING: HEAVY")
else()
message(STATUS "LOGGING: ENABLED")
endif()
endif()
if (USE_BUSY_WAITING)
message(STATUS "USE_BUSY_WAITING: ON")
list(APPEND SRT_EXTRA_CFLAGS "-DUSE_BUSY_WAITING=1")
else()
message(STATUS "USE_BUSY_WAITING: OFF (default)")
endif()
if ( CYGWIN AND NOT CYGWIN_USE_POSIX )
set(WIN32 1)
set(CMAKE_LEGACY_CYGWIN_WIN32 1)
add_definitions(-DWIN32=1 -DCYGWIN=1)
message(STATUS "HAVE CYGWIN. Setting backward compat CMAKE_LEGACY_CYGWIN_WIN32 and -DWIN32")
endif()
if (NOT USE_ENCLIB)
if (USE_GNUTLS)
message("NOTE: USE_GNUTLS is deprecated. Use -DUSE_ENCLIB=gnutls instead.")
set (USE_ENCLIB gnutls)
else()
set (USE_ENCLIB openssl)
endif()
endif()
set(USE_ENCLIB "${USE_ENCLIB}" CACHE STRING "The crypto library that SRT uses")
set_property(CACHE USE_ENCLIB PROPERTY STRINGS "openssl" "gnutls" "mbedtls")
# Make sure DLLs and executabes go to the same path regardles of subdirectory
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
if (NOT DEFINED WITH_COMPILER_TYPE)
# This is for a case when you provided the prefix, but you didn't
# provide compiler type. This option is in this form predicted to work
# only on POSIX systems. Just typical compilers for Linux and Mac are
# included.
if (DARWIN)
set (WITH_COMPILER_TYPE clang)
elseif (POSIX) # Posix, but not DARWIN
set(WITH_COMPILER_TYPE gcc)
else()
get_filename_component(WITH_COMPILER_TYPE ${CMAKE_C_COMPILER} NAME)
endif()
set (USING_DEFAULT_COMPILER_PREFIX 1)
endif()
if (NOT USING_DEFAULT_COMPILER_PREFIX OR DEFINED WITH_COMPILER_PREFIX)
message(STATUS "Handling compiler with PREFIX=${WITH_COMPILER_PREFIX} TYPE=${WITH_COMPILER_TYPE}")
parse_compiler_type(${WITH_COMPILER_TYPE} COMPILER_TYPE COMPILER_SUFFIX)
if (${COMPILER_TYPE} STREQUAL gcc)
set (CMAKE_C_COMPILER ${WITH_COMPILER_PREFIX}gcc${COMPILER_SUFFIX})
set (CMAKE_CXX_COMPILER ${WITH_COMPILER_PREFIX}g++${COMPILER_SUFFIX})
elseif (${COMPILER_TYPE} STREQUAL cc)
set (CMAKE_C_COMPILER ${WITH_COMPILER_PREFIX}cc${COMPILER_SUFFIX})
set (CMAKE_CXX_COMPILER ${WITH_COMPILER_PREFIX}c++${COMPILER_SUFFIX})
elseif (${COMPILER_TYPE} STREQUAL icc)
set (CMAKE_C_COMPILER ${WITH_COMPILER_PREFIX}icc${COMPILER_SUFFIX})
set (CMAKE_CXX_COMPILER ${WITH_COMPILER_PREFIX}icpc${COMPILER_SUFFIX})
else()
# Use blindly <command> for C compiler and <command>++ for C++.
# At least this matches clang.
set (CMAKE_C_COMPILER ${WITH_COMPILER_PREFIX}${WITH_COMPILER_TYPE})
set (CMAKE_CXX_COMPILER ${WITH_COMPILER_PREFIX}${COMPILER_TYPE}++${COMPILER_SUFFIX})
endif()
message(STATUS "Compiler type: ${WITH_COMPILER_TYPE}. C: ${CMAKE_C_COMPILER}; C++: ${CMAKE_CXX_COMPILER}")
else()
message(STATUS "No WITH_COMPILER_PREFIX - using C++ compiler ${CMAKE_CXX_COMPILER}")
endif()
if (DEFINED WITH_SRT_TARGET)
set (TARGET_haisrt ${WITH_SRT_TARGET})
endif()
# When you use crosscompiling, you have to take care that PKG_CONFIG_PATH
# and CMAKE_PREFIX_PATH are set properly.
# symbol exists in win32, but function does not.
if(WIN32)
if(ENABLE_INET_PTON)
set(CMAKE_REQUIRED_LIBRARIES ws2_32)
check_function_exists(inet_pton HAVE_INET_PTON)
add_definitions(-D_WIN32_WINNT=0x0600)
else()
add_definitions(-D_WIN32_WINNT=0x0501)
endif()
else()
check_function_exists(inet_pton HAVE_INET_PTON)
endif()
if (DEFINED HAVE_INET_PTON)
add_definitions(-DHAVE_INET_PTON=1)
endif()
if (ENABLE_MONOTONIC_CLOCK)
add_definitions(-DENABLE_MONOTONIC_CLOCK=1)
endif()
if (ENABLE_ENCRYPTION)
if ("${USE_ENCLIB}" STREQUAL "gnutls")
set (SSL_REQUIRED_MODULES "gnutls nettle")
if (WIN32)
if (MINGW)
set (SSL_REQUIRED_MODULES "${SSL_REQUIRED_MODULES} zlib")
endif()
endif()
pkg_check_modules (SSL REQUIRED ${SSL_REQUIRED_MODULES})
add_definitions(
-DUSE_GNUTLS=1
)
link_directories(
${SSL_LIBRARY_DIRS}
)
else() # Common for mbedtls and openssl
if ("${USE_ENCLIB}" STREQUAL "mbedtls")
add_definitions(-DUSE_MBEDTLS=1)
set (SSL_REQUIRED_MODULES "mbedtls mbedcrypto")
else()
add_definitions(-DUSE_OPENSSL=1)
set (SSL_REQUIRED_MODULES "openssl libcrypto")
endif()
# Try using pkg-config method first if enabled,
# fall back to find_package method otherwise
if (USE_OPENSSL_PC)
pkg_check_modules(SSL ${SSL_REQUIRED_MODULES})
endif()
if (SSL_FOUND)
# We have some cases when pkg-config is improperly configured
# When it doesn't ship the -L and -I options, and the CMAKE_PREFIX_PATH
# is set (also through `configure`), then we have this problem. If so,
# set forcefully the -I and -L contents to prefix/include and
# prefix/lib.
if ("${SSL_LIBRARY_DIRS}" STREQUAL "")
if (NOT "${CMAKE_PREFIX_PATH}" STREQUAL "")
message(STATUS "WARNING: pkg-config has incorrect prefix - enforcing target path prefix: ${CMAKE_PREFIX_PATH}")
set (SSL_LIBRARY_DIRS ${CMAKE_PREFIX_PATH}/${CMAKE_INSTALL_LIBDIR})
set (SSL_INCLUDE_DIRS ${CMAKE_PREFIX_PATH}/include)
endif()
endif()
link_directories(
${SSL_LIBRARY_DIRS}
)
message(STATUS "SSL via pkg-config: -L ${SSL_LIBRARY_DIRS} -I ${SSL_INCLUDE_DIRS} -l;${SSL_LIBRARIES}")
else()
if ("${USE_ENCLIB}" STREQUAL "mbedtls")
if ("${SSL_LIBRARY_DIRS}" STREQUAL "")
set(MBEDTLS_PREFIX "${CMAKE_PREFIX_PATH}" CACHE PATH "The path of mbedtls")
find_package(MbedTLS REQUIRED)
set (SSL_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set (SSL_LIBRARIES ${MBEDTLS_LIBRARIES})
endif()
if ("${SSL_LIBRARIES}" STREQUAL "")
set (SSL_LIBRARIES mbedtls mbedcrypto)
endif()
message(STATUS "SSL enforced mbedtls: -I ${SSL_INCLUDE_DIRS} -l;${SSL_LIBRARIES}")
else()
find_package(OpenSSL REQUIRED)
set (SSL_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
set (SSL_LIBRARIES ${OPENSSL_LIBRARIES})
message(STATUS "SSL via find_package(OpenSSL): -I ${SSL_INCLUDE_DIRS} -l;${SSL_LIBRARIES}")
endif()
endif()
endif()
add_definitions(-DSRT_ENABLE_ENCRYPTION)
message(STATUS "ENCRYPTION: ENABLED, using: ${SSL_REQUIRED_MODULES}")
message (STATUS "SSL libraries: ${SSL_LIBRARIES}")
else()
message(STATUS "ENCRYPTION: DISABLED")
endif()
if ( USE_GNUSTL )
pkg_check_modules (GNUSTL REQUIRED gnustl)
link_directories(${GNUSTL_LIBRARY_DIRS})
include_directories(${GNUSTL_INCLUDE_DIRS})
set (SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} ${GNUSTL_LIBRARIES} ${GNUSTL_LDFLAGS})
endif()
# Detect if the compiler is GNU compatable for flags
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Intel|Clang|AppleClang")
message(STATUS "COMPILER: ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) - GNU compat")
set(HAVE_COMPILER_GNU_COMPAT 1)
else()
message(STATUS "COMPILER: ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) - NOT GNU compat")
set(HAVE_COMPILER_GNU_COMPAT 0)
endif()
if (DISABLE_CXX11)
set (ENABLE_CXX11 0)
elseif( DEFINED ENABLE_CXX11 )
else()
set (ENABLE_CXX11 1)
endif()
if (NOT ENABLE_CXX11)
message(WARNING "Parts that require C++11 support will be disabled (srt-live-transmit)")
endif()
# add extra warning flags for gccish compilers
if (HAVE_COMPILER_GNU_COMPAT)
set (SRT_GCC_WARN "-Wall -Wextra")
else()
# cpp debugging on Windows :D
#set (SRT_GCC_WARN "/showIncludes")
endif()
if (USE_STATIC_LIBSTDCXX)
if (HAVE_COMPILER_GNU_COMPAT)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
else()
message(FATAL_ERROR "On non-GNU-compat compiler it's not known how to use static C++ standard library.")
endif()
endif()
# We need clock_gettime, but on some systems this is only provided
# by librt. Check if librt is required.
if (ENABLE_MONOTONIC_CLOCK AND LINUX)
# "requires" - exits on FATAL_ERROR when clock_gettime not available
test_requires_clock_gettime(NEED_CLOCK_GETTIME)
set (WITH_EXTRALIBS "${WITH_EXTRALIBS} ${NEED_CLOCK_GETTIME}")
endif()
# This options is necessary on some systems; on a cross-ARM compiler it
# has been detected, for example, that -lrt is necessary for some applications
# because clock_gettime is needed by some functions and it is alternatively
# provided by libc, but only in newer versions. This options is rarely necessary,
# but may help in several corner cases in unusual platforms.
if (WITH_EXTRALIBS)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${WITH_EXTRALIBS}")
endif()
# CMake has only discovered in 3.3 version that some set-finder is
# necessary. Using variables for shortcut to a clumsy check syntax.
set (srt_libspec_shared ${ENABLE_SHARED})
set (srt_libspec_static ${ENABLE_STATIC})
set (srtpack_libspec_common)
if (srt_libspec_shared)
list(APPEND srtpack_libspec_common ${TARGET_srt}_shared)
endif()
if (srt_libspec_static)
list(APPEND srtpack_libspec_common ${TARGET_srt}_static)
endif()
set (SRT_SRC_HAICRYPT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/haicrypt)
set (SRT_SRC_SRTCORE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/srtcore)
set (SRT_SRC_COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common)
set (SRT_SRC_TOOLS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tools)
set (SRT_SRC_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR}/test)
if(WIN32)
message(STATUS "DETECTED SYSTEM: WINDOWS; WIN32=1; PTW32_STATIC_LIB=1")
add_definitions(-DWIN32=1 -DPTW32_STATIC_LIB=1)
elseif(DARWIN)
message(STATUS "DETECTED SYSTEM: DARWIN; OSX=1")
add_definitions(-DOSX=1)
elseif(BSD)
message(STATUS "DETECTED SYSTEM: BSD; BSD=1")
add_definitions(-DBSD=1)
elseif(LINUX)
add_definitions(-DLINUX=1)
message(STATUS "DETECTED SYSTEM: LINUX; LINUX=1" )
elseif(ANDROID)
add_definitions(-DLINUX=1)
add_definitions(-DANDROID=1)
message(STATUS "DETECTED SYSTEM: ANDROID; LINUX=1 ANDROID=1" )
elseif(CYGWIN)
add_definitions(-DCYGWIN=1)
message(STATUS "DETECTED SYSTEM: CYGWIN (posix mode); CYGWIN=1")
elseif(GNU)
add_definitions(-DGNU=1)
message(STATUS "DETECTED SYSTEM: GNU; GNU=1" )
else()
message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
endif()
add_definitions(
-D_GNU_SOURCE
-DHAI_PATCH=1
-DHAI_ENABLE_SRT=1
-DSRT_VERSION="${SRT_VERSION}"
)
# This is obligatory include directory for all targets. This is only
# for private headers. Installable headers should be exclusively used DIRECTLY.
include_directories(${SRT_SRC_COMMON_DIR} ${SRT_SRC_SRTCORE_DIR} ${SRT_SRC_HAICRYPT_DIR})
if (ENABLE_LOGGING)
list(APPEND SRT_EXTRA_CFLAGS "-DENABLE_LOGGING=1")
if (ENABLE_HEAVY_LOGGING)
list(APPEND SRT_EXTRA_CFLAGS "-DENABLE_HEAVY_LOGGING=1")
endif()
if (ENABLE_HAICRYPT_LOGGING)
if (ENABLE_HAICRYPT_LOGGING STREQUAL 2) # Allow value 2 for INSECURE DEBUG logging
message(WARNING " *** ENABLED INSECURE HAICRYPT LOGGING - USE FOR TESTING ONLY!!! ***")
list(APPEND SRT_EXTRA_CFLAGS "-DENABLE_HAICRYPT_LOGGING=2")
else()
list(APPEND SRT_EXTRA_CFLAGS "-DENABLE_HAICRYPT_LOGGING=1")
endif()
endif()
endif()
if (ENABLE_GETNAMEINFO)
list(APPEND SRT_EXTRA_CFLAGS "-DENABLE_GETNAMEINFO=1")
endif()
if (ENABLE_THREAD_CHECK)
add_definitions(
-DSRT_ENABLE_THREADCHECK=1
-DFUGU_PLATFORM=1
-I${WITH_THREAD_CHECK_INCLUDEDIR}
)
endif()
if (ENABLE_PROFILE)
if (HAVE_COMPILER_GNU_COMPAT)
# They are actually cflags, not definitions, but CMake is stupid enough.
add_definitions(-g -pg)
link_libraries(-g -pg)
else()
message(FATAL_ERROR "Profiling option is not supported on this platform")
endif()
endif()
if (ENABLE_CODE_COVERAGE)
if (HAVE_COMPILER_GNU_COMPAT)
add_definitions(-g -O0 --coverage)
link_libraries(--coverage)
message(STATUS "ENABLE_CODE_COVERAGE: ON")
else()
message(FATAL_ERROR "ENABLE_CODE_COVERAGE: option is not supported on this platform")
endif()
endif()
if (PTHREAD_LIBRARY AND PTHREAD_INCLUDE_DIR)
message(STATUS "Pthread library: ${PTHREAD_LIBRARY}")
message(STATUS "Pthread include dir: ${PTHREAD_INCLUDE_DIR}")
elseif (MICROSOFT)
find_package(pthreads QUIET)
if (NOT PTHREAD_INCLUDE_DIR OR NOT PTHREAD_LIBRARY)
#search package folders with GLOB to add as extra hint for headers
file(GLOB PTHREAD_PACKAGE_INCLUDE_HINT ./packages/cinegy.pthreads-win*/sources)
if (PTHREAD_PACKAGE_INCLUDE_HINT)
message(STATUS "PTHREAD_PACKAGE_INCLUDE_HINT value: ${PTHREAD_PACKAGE_INCLUDE_HINT}")
endif()
# find pthread header
find_path(PTHREAD_INCLUDE_DIR pthread.h HINTS C:/pthread-win32/include ${PTHREAD_PACKAGE_INCLUDE_HINT})
if (PTHREAD_INCLUDE_DIR)
message(STATUS "Pthread include dir: ${PTHREAD_INCLUDE_DIR}")
else()
message(FATAL_ERROR "Failed to find pthread.h. Specify PTHREAD_INCLUDE_DIR.")
endif()
#search package folders with GLOB to add as extra hint for libs
file(GLOB PTHREAD_PACKAGE_LIB_HINT ./packages/cinegy.pthreads-win*/runtimes/win-*/native/release)
if (PTHREAD_PACKAGE_LIB_HINT)
message(STATUS "PTHREAD_PACKAGE_LIB_HINT value: ${PTHREAD_PACKAGE_LIB_HINT}")
endif()
#find pthread library
set(PTHREAD_LIB_SUFFIX "")
if (ENABLE_DEBUG)
set(PTHREAD_LIB_SUFFIX "d")
endif ()
set(PTHREAD_COMPILER_FLAG "")
if (MICROSOFT)
set(PTHREAD_COMPILER_FLAG "V")
elseif (MINGW)
set(PTHREAD_COMPILER_FLAG "G")
endif ()
foreach(EXHAND C CE SE)
foreach(COMPAT 1 2)
list(APPEND PTHREAD_W32_LIBRARY "pthread${PTHREAD_COMPILER_FLAG}${EXHAND}${PTHREAD_LIB_SUFFIX}${COMPAT}")
endforeach()
endforeach()
find_library(PTHREAD_LIBRARY NAMES ${PTHREAD_W32_LIBRARY} pthread pthread_dll pthread_lib HINTS C:/pthread-win32/lib C:/pthread-win64/lib ${PTHREAD_PACKAGE_LIB_HINT})
if (PTHREAD_LIBRARY)
message(STATUS "Pthread library: ${PTHREAD_LIBRARY}")
else()
message(FATAL_ERROR "Failed to find pthread library. Specify PTHREAD_LIBRARY.")
endif()
endif()
else ()
find_package(Threads REQUIRED)
set(PTHREAD_LIBRARY ${CMAKE_THREAD_LIBS_INIT})
endif()
# This is required in some projects that add some other sources
# to the SRT library to be compiled together (aka "virtual library").
if (DEFINED SRT_EXTRA_LIB_INC)
include(${SRT_EXTRA_LIB_INC}.cmake)
# Expected to provide variables:
# - SOURCES_srt_extra
# - EXTRA_stransmit
endif()
# ---------------------------------------------------------------------------
# ---
# Target: haicrypt.
# Completing sources and installable headers. Flag settings will follow.
# ---
if (ENABLE_ENCRYPTION)
set (HAICRYPT_FILELIST_MAF "filelist-${USE_ENCLIB}.maf")
MafReadDir(haicrypt ${HAICRYPT_FILELIST_MAF}
SOURCES SOURCES_haicrypt
PUBLIC_HEADERS HEADERS_haicrypt
PROTECTED_HEADERS HEADERS_haicrypt
)
endif()
if (WIN32)
MafReadDir(common filelist_win32.maf
SOURCES SOURCES_common
PUBLIC_HEADERS HEADERS_srt_win32
PROTECTED_HEADERS HEADERS_srt_win32
)
message(STATUS "WINDOWS detected: adding compat sources: ${SOURCES_common}")
endif()
# Make the OBJECT library for haicrypt and srt. Then they'll be bound into
# real libraries later, either one common, or separate.
# This is needed for Xcode to properly handle CMake OBJECT Libraries
# From docs (https://cmake.org/cmake/help/latest/command/add_library.html#object-libraries):
#
# ... Some native build systems (such as Xcode) may not like targets that have only object files,
# so consider adding at least one real source file to any target that references $<TARGET_OBJECTS:objlib>.
set(OBJECT_LIB_SUPPORT "${PROJECT_SOURCE_DIR}/cmake_object_lib_support.c")
# NOTE: The "virtual library" is a library specification that cmake
# doesn't support (the library of OBJECT type is something in kind of that,
# but not fully supported - for example it doesn't support transitive flags,
# so this can't be used desired way). It's a private-only dependency type,
# where the project isn't compiled into any library file at all - instead, all
# of its source files are incorporated directly to the source list of the
# project that depends on it. In cmake this must be handled manually.
# ---
# Target: srt. DEFINITION ONLY. Haicrypt flag settings follow.
# ---
MafReadDir(srtcore filelist.maf
SOURCES SOURCES_srt
PUBLIC_HEADERS HEADERS_srt
PROTECTED_HEADERS HEADERS_srt
PRIVATE_HEADERS HEADERS_srt_private
)
# Auto generated version file and add it to the HEADERS_srt list.
if(DEFINED ENV{APPVEYOR_BUILD_NUMBER})
set(SRT_VERSION_BUILD ON)
set(APPVEYOR_BUILD_NUMBER_STRING $ENV{APPVEYOR_BUILD_NUMBER})
message(STATUS "AppVeyor build environment detected: Adding build number to version header")
endif()
configure_file("srtcore/version.h.in" "version.h" @ONLY)
list(INSERT HEADERS_srt 0 "${CMAKE_CURRENT_BINARY_DIR}/version.h")
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
add_library(srt_virtual OBJECT ${SOURCES_srt} ${SOURCES_srt_extra} ${HEADERS_srt} ${SOURCES_haicrypt} ${SOURCES_common})
if (ENABLE_SHARED)
# Set this to sources as well, as it won't be automatically handled
set_target_properties(srt_virtual PROPERTIES POSITION_INDEPENDENT_CODE 1)
#add resource files to shared library, to set DLL metadata on Windows DLLs
if (MICROSOFT)
MafReadDir(srtcore filelist.maf
SOURCES_WIN32_SHARED SOURCES_srt_shared_win32
)
message(STATUS "WINDOWS detected: Adding sources to SRT shared project: ${SOURCES_srt_shared_win32}")
endif()
endif()
set (VIRTUAL_srt $<TARGET_OBJECTS:srt_virtual>)
if (srt_libspec_shared)
add_library(${TARGET_srt}_shared SHARED ${OBJECT_LIB_SUPPORT} ${VIRTUAL_srt} ${SOURCES_srt_shared_win32} ${HEADERS_srt_shared_win32})
# shared libraries need PIC
set (CMAKE_POSITION_INDEPENDENT_CODE ON)
set_property(TARGET ${TARGET_srt}_shared PROPERTY OUTPUT_NAME ${TARGET_srt})
set_target_properties (${TARGET_srt}_shared PROPERTIES VERSION ${SRT_VERSION} SOVERSION ${SRT_VERSION_MAJOR})
list (APPEND INSTALL_TARGETS ${TARGET_srt}_shared)
if (ENABLE_ENCRYPTION)
target_link_libraries(${TARGET_srt}_shared PRIVATE ${SSL_LIBRARIES})
endif()
if (MICROSOFT)
target_link_libraries(${TARGET_srt}_shared PRIVATE ws2_32.lib)
set_target_properties(${TARGET_srt}_shared PROPERTIES LINK_FLAGS "/DELAYLOAD:libeay32.dll")
elseif (MINGW)
target_link_libraries(${TARGET_srt}_shared PRIVATE wsock32.lib ws2_32.lib)
elseif (APPLE)
set_property(TARGET ${TARGET_srt}_shared PROPERTY MACOSX_RPATH ON)
endif()
if (USE_GNUSTL)
target_link_libraries(${TARGET_srt}_shared PRIVATE ${GNUSTL_LIBRARIES} ${GNUSTL_LDFLAGS})
endif()
endif()
if (srt_libspec_static)
add_library(${TARGET_srt}_static STATIC ${OBJECT_LIB_SUPPORT} ${VIRTUAL_srt})
# For Windows, leave the name to be "srt_static.lib".
# Windows generates two different library files:
# - a usual static library for static linkage
# - a shared library exposer, which allows pre-resolution and later dynamic
# linkage when running the executable
# Both having unfortunately the same names created by MSVC compiler.
# It's not the case of Cygwin/MINGW - they are named there libsrt.a and libsrt.dll.a
if (MICROSOFT)
# Keep _static suffix. By unknown reason, the name must still be set explicitly.
set_property(TARGET ${TARGET_srt}_static PROPERTY OUTPUT_NAME ${TARGET_srt}_static)
else()
set_property(TARGET ${TARGET_srt}_static PROPERTY OUTPUT_NAME ${TARGET_srt})
endif()
list (APPEND INSTALL_TARGETS ${TARGET_srt}_static)
if (ENABLE_ENCRYPTION)
target_link_libraries(${TARGET_srt}_static PRIVATE ${SSL_LIBRARIES})
endif()
if (MICROSOFT)
target_link_libraries(${TARGET_srt}_static PRIVATE ws2_32.lib)
elseif (MINGW)
target_link_libraries(${TARGET_srt}_static PRIVATE wsock32 ws2_32)
endif()
if (USE_GNUSTL)
target_link_libraries(${TARGET_srt}_static PRIVATE ${GNUSTL_LIBRARIES} ${GNUSTL_LDFLAGS})
endif()
endif()
target_include_directories(srt_virtual PRIVATE ${SSL_INCLUDE_DIRS})
if (MICROSOFT)
set (SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} ws2_32.lib)
elseif (MINGW)
set (SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} -lwsock32 -lws2_32)
endif()
# Applying this to public includes is not transitive enough.
# On Windows, apps require this as well, so it's safer to
# spread this to all targets.
if (PTHREAD_INCLUDE_DIR)
include_directories(${PTHREAD_INCLUDE_DIR})
endif()
# Link libraries must be applied directly to the derivatives
# as virtual libraries (OBJECT-type) cannot have linkage declarations
# transitive or not.
foreach(tar ${srtpack_libspec_common})
message(STATUS "ADDING TRANSITIVE LINK DEP to:${tar} : ${PTHREAD_LIBRARY} ${dep}")
target_link_libraries (${tar} PUBLIC ${PTHREAD_LIBRARY} ${dep})
endforeach()
set (SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} ${PTHREAD_LIBRARY})
target_compile_definitions(srt_virtual PRIVATE -DSRT_EXPORTS )
if (ENABLE_SHARED)
target_compile_definitions(srt_virtual PUBLIC -DSRT_DYNAMIC)
endif()
if (srt_libspec_shared)
if (MICROSOFT)
target_link_libraries(${TARGET_srt}_shared PUBLIC Ws2_32.lib)
endif()
endif()
# Cygwin installs the *.dll libraries in bin directory and uses PATH.
set (INSTALL_SHARED_DIR ${CMAKE_INSTALL_LIBDIR})
if (CYGWIN)
set (INSTALL_SHARED_DIR ${CMAKE_INSTALL_BINDIR})
endif()
message(STATUS "INSTALL DIRS: bin=${CMAKE_INSTALL_BINDIR} lib=${CMAKE_INSTALL_LIBDIR} shlib=${INSTALL_SHARED_DIR} include=${CMAKE_INSTALL_INCLUDEDIR}")
install(TARGETS ${INSTALL_TARGETS}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${INSTALL_SHARED_DIR}
)
install(FILES ${HEADERS_srt} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/srt)
if (WIN32)
install(FILES ${HEADERS_srt_win32} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/srt/win)
endif()
# ---
# That's all for target definition
# ---
join_arguments(SRT_EXTRA_CFLAGS ${SRT_EXTRA_CFLAGS})
#message(STATUS "Target srt: LIBSPEC: ${srtpack_libspec_common} SOURCES: {${SOURCES_srt}} HEADERS: {${HEADERS_srt}}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SRT_DEBUG_OPT} ${SRT_EXTRA_CFLAGS} ${SRT_GCC_WARN}")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SRT_DEBUG_OPT} ${SRT_EXTRA_CFLAGS} ${SRT_GCC_WARN}")
# PC file generation.
if (NOT DEFINED INSTALLDIR)
set (INSTALLDIR ${CMAKE_INSTALL_PREFIX})
get_filename_component(INSTALLDIR ${INSTALLDIR} ABSOLUTE)
endif()
# Required if linking a C application.
# This may cause trouble when you want to compile your app with static libstdc++;
# if your build requires it, you'd probably remove -lstdc++ from the list
# obtained by `pkg-config --libs`.
if(ENABLE_CXX_DEPS)
foreach(LIB ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES})
if(IS_ABSOLUTE ${LIB} AND EXISTS ${LIB})
set(SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} ${LIB})
else()
set(SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE} "-l${LIB}")
endif()
endforeach()
endif()
join_arguments(SRT_LIBS_PRIVATE ${SRT_LIBS_PRIVATE})
# haisrt.pc left temporarily for backward compatibility. To be removed in future!
configure_file(scripts/srt.pc.in haisrt.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/haisrt.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
configure_file(scripts/srt.pc.in srt.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/srt.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
# Applications
if (HAVE_COMPILER_GNU_COMPAT AND ENABLE_CXX11)
message(STATUS "C++ VERSION: Setting C++11 compat flag for gnu compiler")
set (CFLAGS_CXX_STANDARD "-std=c++11")
else()
message(STATUS "C++ VERSION: leaving default, not a GNU compiler, assuming C++11 or newer is default.")
set (CFLAGS_CXX_STANDARD "")
endif()
# If static is available, link apps against static one.
# Otherwise link against shared one.
if (srt_libspec_static)
set (srt_link_library ${TARGET_srt}_static)
if (ENABLE_RELATIVE_LIBPATH)
message(STATUS "ENABLE_RELATIVE_LIBPATH=ON will be ignored due to static linking.")
endif()
elseif(srt_libspec_shared)
set (srt_link_library ${TARGET_srt}_shared)
else()
message(FATAL_ERROR "Either ENABLE_STATIC or ENABLE_SHARED has to be ON!")
endif()
macro(srt_add_program name)
add_executable(${name} ${ARGN})
target_include_directories(${name} PRIVATE apps)
target_include_directories(${name} PRIVATE common)
install(TARGETS ${name} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
endmacro()
macro(srt_make_application name)
target_compile_options(${name} PRIVATE ${CFLAGS_CXX_STANDARD})
# This is recommended by cmake, but it doesn't work anyway.
# What is needed is that this below CMAKE_INSTALL_RPATH (yes, relative)
# is added as is.
# set (CMAKE_SKIP_RPATH FALSE)
# set (CMAKE_SKIP_BUILD_RPATH FALSE)
# set (CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
# set (CMAKE_INSTALL_RPATH "../${CMAKE_INSTALL_LIBDIR}")
# set (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# set (FORCE_RPATH BUILD_WITH_INSTALL_RPATH TRUE INSTALL_RPATH_USE_LINK_PATH TRUE)
if (LINUX AND ENABLE_RELATIVE_LIBPATH AND NOT srt_libspec_static)
# This is only needed on Linux, on Windows (including Cygwin) the library file will
# be placed into the binrary directory anyway.
# XXX not sure about Mac.
# See this name used already in install(${TARGET_srt} LIBRARY DESTINATION...).
set(FORCE_RPATH LINK_FLAGS -Wl,-rpath,.,-rpath,../${CMAKE_INSTALL_LIBDIR} BUILD_WITH_INSTALL_RPATH TRUE INSTALL_RPATH_USE_LINK_PATH TRUE)
endif()
# We state that Darwin always uses CLANG compiler, which honors this flag the same way.
set_target_properties(${name} PROPERTIES COMPILE_FLAGS "${CFLAGS_CXX_STANDARD}" ${FORCE_RPATH})
target_link_libraries(${name} ${srt_link_library})
if (USE_GNUSTL)
target_link_libraries(${name} PRIVATE ${GNUSTL_LIBRARIES} ${GNUSTL_LDFLAGS})
endif()
if (srt_libspec_static AND CMAKE_DL_LIBS)
target_link_libraries(${name} ${CMAKE_DL_LIBS})
endif()
endmacro()
macro(srt_add_application name) # ARGN=sources...
srt_add_program(${name} apps/${name}.cpp ${ARGN})
srt_make_application(${name})
install(TARGETS ${name} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
endmacro()
## FIXME: transmitmedia.cpp does not build on OpenBSD
## Issue: https://github.com/Haivision/srt/issues/590
if (BSD
AND ${SYSNAME_LC} MATCHES "^openbsd$")
set(ENABLE_APPS OFF)
endif()
## The applications currently require c++11.
if (NOT ENABLE_CXX11)
set(ENABLE_APPS OFF)
endif()
if (ENABLE_APPS)
# Make a virtual library of all shared app files
MafReadDir(apps support.maf
SOURCES SOURCES_support
)
# A special trick that makes the shared application sources
# to be compiled once for all applications. Maybe this virtual
# library should be changed into a static one and made useful
# for users.
add_library(srtsupport_virtual OBJECT ${SOURCES_support})
target_compile_options(srtsupport_virtual PUBLIC ${CFLAGS_CXX_STANDARD})
set (VIRTUAL_srtsupport $<TARGET_OBJECTS:srtsupport_virtual>)
# Applications
srt_add_application(srt-live-transmit ${VIRTUAL_srtsupport})
if (DEFINED EXTRA_stransmit)
set_target_properties(srt-live-transmit PROPERTIES COMPILE_FLAGS "${EXTRA_stransmit}")
endif()
srt_add_application(srt-file-transmit ${VIRTUAL_srtsupport})
if (MINGW)
# FIXME: with MINGW, it fails to build apps that require C++11
# https://github.com/Haivision/srt/issues/177
message(WARNING "On MinGW, some C++11 apps are blocked due to lacking proper C++11 headers for <thread>. FIX IF POSSIBLE.")
else()
# srt-multiplex temporarily blocked
#srt_add_application(srt-multiplex ${VIRTUAL_srtsupport})
srt_add_application(srt-tunnel ${VIRTUAL_srtsupport})
target_compile_definitions(srt-tunnel PUBLIC -DSRT_ENABLE_VERBOSE_LOCK)
endif()
if (ENABLE_TESTING)
macro(srt_add_testprogram name)
# Variables in macros are not local. Clear them forcefully.
set (SOURCES_app_indir "")
set (SOURCES_app "")
# Unlike Silvercat, in cmake you must know the full list
# of source files at the moment when defining the target
# and it can't be altered later.
#
# For testing applications, every application has its exclusive
# list of source files in its own Manifest file.
MafReadDir(testing ${name}.maf SOURCES SOURCES_app)
srt_add_program(${name} ${SOURCES_app})
endmacro()
srt_add_testprogram(utility-test)
if (NOT WIN32)
# This program is symlinked under git-cygwin.
# Avoid misleading syntax error.
srt_add_testprogram(uriparser-test)
target_compile_options(uriparser-test PRIVATE -DTEST)
target_compile_options(uriparser-test PRIVATE ${CFLAGS_CXX_STANDARD})
endif()
srt_add_testprogram(srt-test-live)
srt_make_application(srt-test-live)
srt_add_testprogram(srt-test-file)
srt_make_application(srt-test-file)
srt_add_testprogram(srt-test-relay)
srt_make_application(srt-test-relay)
target_compile_definitions(srt-test-relay PUBLIC -DSRT_ENABLE_VERBOSE_LOCK)
srt_add_testprogram(srt-test-multiplex)
srt_make_application(srt-test-multiplex)
srt_add_testprogram(srt-test-mpbond)
srt_make_application(srt-test-mpbond)
endif()
endif()
if (ENABLE_EXAMPLES)
# No examples should need C++11
macro(srt_add_example mainsrc)
get_filename_component(name ${mainsrc} NAME_WE)
srt_add_program(${name} examples/${mainsrc} ${ARGN})
endmacro()
srt_add_example(sendfile.cpp)
srt_make_application(sendfile)
srt_add_example(recvfile.cpp)
srt_make_application(recvfile)
srt_add_example(recvlive.cpp)
srt_make_application(recvlive)
srt_add_example(test-c-client.c)
srt_make_application(test-c-client)
srt_add_example(test-c-server.c)
srt_make_application(test-c-server)
srt_add_example(test-c-client-bonding.c)
srt_make_application(test-c-client-bonding)
srt_add_example(test-c-server-bonding.c)
srt_make_application(test-c-server-bonding)
srt_add_example(testcapi-connect.c)
target_link_libraries(testcapi-connect ${srt_link_library} ${DEPENDS_srt})
endif()
if (ENABLE_UNITTESTS AND ENABLE_CXX11)
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
find_package(GTest 1.8)
if (NOT GTEST_FOUND)
message(STATUS "GTEST not found! Fetching from git.")
include(googletest)
fetch_googletest(
${PROJECT_SOURCE_DIR}/scripts
${PROJECT_BINARY_DIR}/googletest
)
set(GTEST_BOTH_LIBRARIES "gtest_main" CACHE STRING "Add gtest_main target")
endif()
MafReadDir(test filelist.maf
SOURCES SOURCES_unittests
)
message(STATUS "Unit test sources: ${SOURCES_unittests}")
srt_add_program(test-srt ${SOURCES_unittests})
srt_make_application(test-srt)