349 lines
12 KiB
CMake
349 lines
12 KiB
CMake
# Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE.
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cmake_minimum_required(VERSION 3.0...3.23)
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PROJECT(lsquic C)
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OPTION(LSQUIC_FIU "Use Fault Injection in Userspace (FIU)" OFF)
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OPTION(LSQUIC_BIN "Compile example binaries that use the library" ON)
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OPTION(LSQUIC_TESTS "Compile library unit tests" ON)
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OPTION(LSQUIC_SHARED_LIB "Compile as shared librarry" OFF)
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OPTION(LSQUIC_DEVEL "Compile in development mode" OFF)
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INCLUDE(GNUInstallDirs)
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MESSAGE(STATUS "CMake v${CMAKE_VERSION}")
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IF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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# If using older glibc, need to link with -lrt. See clock_getres(2).
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include(CheckSymbolExists)
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check_symbol_exists(clock_getres "time.h" HAS_clock_getres_WITHOUT_LIBRT)
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if(NOT HAS_clock_getres_WITHOUT_LIBRT)
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find_library(RT_LIBRARY rt)
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set(NEED_LIBRT_FOR_clock_getres ON)
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endif()
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ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Android")
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# for android-ndk >= r19b
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY "BOTH")
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE "BOTH")
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set(CMAKE_FIND_ROOT_PATH_MODE_PATH "BOTH")
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ENDIF()
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IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
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SET(CMAKE_BUILD_TYPE Debug)
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ENDIF()
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MESSAGE(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
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IF (NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-DLSQUIC_DEBUG_NEXT_ADV_TICK")
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SET(MY_CMAKE_FLAGS "-DLSQUIC_DEBUG_NEXT_ADV_TICK=1")
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ENDIF()
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IF (NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-DLSQUIC_CONN_STATS=")
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_CONN_STATS=1")
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ENDIF()
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IF (NOT MSVC)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wall -Wextra -Wno-unused-parameter")
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fno-omit-frame-pointer")
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IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.3)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-missing-field-initializers")
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ENDIF()
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IF(LSQUIC_FIU)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
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SET(LIBS ${LIBS} fiu)
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ENDIF()
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IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3")
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IF(CMAKE_C_COMPILER MATCHES "clang" AND
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NOT "$ENV{TRAVIS}" MATCHES "^true$" AND
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NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-fsanitize")
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
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SET(LIBS ${LIBS} -fsanitize=address)
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ENDIF()
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# Uncomment to enable cleartext protocol mode (no crypto):
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#SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
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ELSE()
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
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# Comment out the following line to compile out debug messages:
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#SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
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ENDIF()
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IF (LSQUIC_DEVEL)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_DEVEL=1")
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ENDIF()
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IF(LSQUIC_PROFILE EQUAL 1)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
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ENDIF()
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IF(LSQUIC_COVERAGE EQUAL 1)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
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ENDIF()
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IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
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MESSAGE(STATUS "AddressSanitizer is ON")
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ELSE()
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MESSAGE(STATUS "AddressSanitizer is OFF")
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ENDIF()
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#MSVC
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ELSE()
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4100") # unreferenced formal parameter
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4115") # unnamed type definition in parentheses
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4116") # named type definition in parentheses
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4146") # unary minus operator applied to unsigned type, result still unsigned
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4132") # const initialization
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4200") # zero-sized array
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4204") # non-constant aggregate initializer
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4244") # integer conversion
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4245") # conversion from 'int' to 'unsigned int', signed/unsigned mismatch
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4267") # integer conversion
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214") # nonstandard extension used: bit field types other than int
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4295") # array is too small to include a terminating null character
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4324") # structure was padded due to alignment specifier
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4334") # result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4456") # hide previous local declaration
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4459") # hide global declaration
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4706") # assignment within conditional expression
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4090") # different 'const' qualifier (TODO: debug ls-sfparser.c)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4305") # truncation from double to float
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -W4 -WX -Zi -DWIN32_LEAN_AND_MEAN -DNOMINMAX -D_CRT_SECURE_NO_WARNINGS -I${CMAKE_CURRENT_SOURCE_DIR}/wincompat")
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IF(LSQUIC_SHARED_LIB)
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_SHARED_LIB")
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ENDIF()
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IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
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#SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
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#SET(LIBS ${LIBS} fiu)
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ELSE()
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SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
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# Comment out the following line to compile out debug messages:
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#SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
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ENDIF()
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ENDIF() #MSVC
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
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MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
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find_package(Perl)
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IF(NOT PERL_FOUND)
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MESSAGE(FATAL_ERROR "Perl not found -- need it to generate source code")
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ENDIF()
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IF (MSVC)
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IF(LSQUIC_SHARED_LIB)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS YES CACHE BOOL "Export all symbols")
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SET(LIB_SUFFIX .dll)
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ELSE()
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SET(LIB_SUFFIX .lib)
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ENDIF()
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ELSE()
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IF(LSQUIC_SHARED_LIB)
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SET(LIB_SUFFIX .so)
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ELSE()
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SET(LIB_SUFFIX .a)
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ENDIF()
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ENDIF()
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IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
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FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
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PATHS ${BORINGSSL_DIR}/include
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NO_DEFAULT_PATH)
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ENDIF()
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# This must be done before adding other include directories to take
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# precedence over header files from other SSL installs.
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IF (BORINGSSL_INCLUDE)
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MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
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INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
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ELSE()
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MESSAGE(FATAL_ERROR "BoringSSL headers not found")
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ENDIF()
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IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
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FOREACH(LIB_NAME ssl crypto)
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IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
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FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
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NAMES ${LIB_NAME}
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PATHS ${BORINGSSL_DIR}/${LIB_NAME}
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PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
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NO_DEFAULT_PATH)
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ELSE()
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FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
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NAMES lib${LIB_NAME}${LIB_SUFFIX}
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PATHS ${BORINGSSL_DIR}/${LIB_NAME}
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NO_DEFAULT_PATH)
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ENDIF()
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IF(BORINGSSL_LIB_${LIB_NAME})
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MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
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ELSE()
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MESSAGE(STATUS "${LIB_NAME} library not found")
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ENDIF()
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ENDFOREACH()
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ELSE()
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FOREACH(LIB_NAME ssl crypto)
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# If BORINGSSL_LIB is defined, try find each lib. Otherwise, user should define BORINGSSL_LIB_ssl,
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# BORINGSSL_LIB_crypto and so on explicitly. For example, including boringssl and lsquic both via
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# add_subdirectory:
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# add_subdirectory(third_party/boringssl)
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# set(BORINGSSL_LIB_ssl ssl)
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# set(BORINGSSL_LIB_crypto crypto)
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# add_subdirectory(third_party/lsquic)
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IF (DEFINED BORINGSSL_LIB)
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IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
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FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
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NAMES ${LIB_NAME}
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PATHS ${BORINGSSL_LIB}
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PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
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NO_DEFAULT_PATH)
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ELSE()
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FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
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NAMES lib${LIB_NAME}${LIB_SUFFIX}
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PATHS ${BORINGSSL_LIB}
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PATH_SUFFIXES ${LIB_NAME}
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NO_DEFAULT_PATH)
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ENDIF()
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ENDIF()
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IF(BORINGSSL_LIB_${LIB_NAME})
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MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
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ELSE()
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MESSAGE(FATAL_ERROR "BORINGSSL_LIB_${LIB_NAME} library not found")
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ENDIF()
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ENDFOREACH()
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ENDIF()
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SET(CMAKE_INCLUDE_CURRENT_DIR ON)
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INCLUDE_DIRECTORIES(include)
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IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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# Find libevent on FreeBSD:
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include_directories( /usr/local/include )
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link_directories( /usr/local/lib )
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ENDIF()
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IF (CMAKE_SYSTEM_NAME STREQUAL Windows AND LSQUIC_TESTS AND LSQUIC_BIN)
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FIND_PATH(GETOPT_INCLUDE_DIR NAMES getopt.h)
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IF (GETOPT_INCLUDE_DIR)
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INCLUDE_DIRECTORIES(${GETOPT_INCLUDE_DIR})
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ELSE()
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MESSAGE(FATAL_ERROR "getopt.h was not found")
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ENDIF()
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FIND_LIBRARY(GETOPT_LIB getopt)
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IF(GETOPT_LIB)
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MESSAGE(STATUS "Found getopt: ${GETOPT_LIB}")
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ELSE()
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MESSAGE(STATUS "getopt not found")
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ENDIF()
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ENDIF()
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# Find zlib and libevent header files and library files
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# TODO: libevent is not strictly necessary to build the library.
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FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
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IF (ZLIB_INCLUDE_DIR)
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INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
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ELSE()
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MESSAGE(FATAL_ERROR "zlib.h was not found")
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ENDIF()
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IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
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FIND_LIBRARY(ZLIB_LIB zlib)
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ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
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# XXX somehow FIND_LIBRARY() does not find zlib on Travis?
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SET(ZLIB_LIB z)
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ELSE()
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FIND_LIBRARY(ZLIB_LIB libz${LIB_SUFFIX})
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ENDIF()
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IF(ZLIB_LIB)
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MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
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ELSE()
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MESSAGE(STATUS "zlib not found")
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ENDIF()
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SET(LIBS lsquic ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
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IF (LSQUIC_BIN)
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FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h
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PATHS ${PROJECT_SOURCE_DIR}/../third-party/include)
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IF (EVENT_INCLUDE_DIR)
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INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
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ELSE()
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MESSAGE(WARNING "event2/event.h was not found: binaries won't be built")
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SET(LSQUIC_BIN OFF)
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ENDIF()
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ENDIF()
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IF (LSQUIC_BIN)
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IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
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FIND_LIBRARY(EVENT_LIB event)
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ELSE()
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FIND_LIBRARY(EVENT_LIB libevent${LIB_SUFFIX}
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PATHS ${PROJECT_SOURCE_DIR}/../third-party/lib)
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IF(NOT EVENT_LIB)
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FIND_LIBRARY(EVENT_LIB libevent.so)
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ENDIF()
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ENDIF()
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IF(EVENT_LIB)
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MESSAGE(STATUS "Found event: ${EVENT_LIB}")
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ELSE()
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MESSAGE(WARNING "libevent not found: binaries won't be built")
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SET(LSQUIC_BIN OFF)
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ENDIF()
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ENDIF()
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IF (NOT MSVC)
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LIST(APPEND LIBS pthread m)
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ELSE()
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LIST(APPEND LIBS ws2_32)
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ENDIF()
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IF (LSQUIC_BIN)
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ADD_SUBDIRECTORY(bin)
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ENDIF()
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add_subdirectory(src)
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IF(LSQUIC_TESTS AND CMAKE_BUILD_TYPE STREQUAL "Debug")
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# Our test framework relies on assertions, only compile if assertions are
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# enabled.
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#
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enable_testing()
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add_subdirectory(tests)
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ENDIF()
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FIND_PROGRAM(SPHINX NAMES sphinx-build)
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IF(SPHINX)
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ADD_CUSTOM_TARGET(docs
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${SPHINX} -b html
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docs
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docs/_build
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)
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ELSE()
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MESSAGE(STATUS "sphinx-build not found: docs won't be made")
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ENDIF()
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INSTALL(FILES
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include/lsquic.h
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include/lsquic_types.h
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include/lsxpack_header.h
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lsquic
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)
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if(WIN32)
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install(FILES
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wincompat/vc_compat.h
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lsquic
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)
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endif()
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